47results about How to "Not prone to slippage" patented technology

The invention relates to a pulley assembly, in particular to a pulley assembly of a double bracing needle bearing for a car alternator, comprising a mandrel and an outer ring; a set of rolling needles are arranged at the outer ring, the outer raceway of the rolling needles are arranged on the inner circle surface of the outer ring corresponding to the rolling needles position, the outer raceway of the rolling needles is an one-way raceway, the outer raceway of the rolling needles is composed of arc slope grooves which are equal to the rolling needles in number and connected end to end, the direction from the deep part of the arc slope grooves to the low part of the arc slope grooves, is a single-acting direction of a driving rotation axis and the axial length of the arc slope grooves match with the rolling needles. The invention solves the technical problems of an existing pulley assembly built-in belt pulley of a double bracing needle bearing, such as the slipping phenomenon of a pulley assembly of a double bracing needle bearing when the car electric power is very large and short service life thereof.

The invention relates to a marking and cutting device for carton boards. The device comprises a rack, a conveying belt and conveying wheels, wherein a marking roller is arranged above the conveying belt, a storage bag is arranged above the marking roller, a material outlet is formed in the bottom end of the storage bag, and a first baffle is connected to the material outlet; an air spraying bag isalso arranged above the conveying belt, and nozzles are arranged on the air spraying bag; a support platform is arranged at the discharging end of the conveyor belt and connected with a rotation discand a pressure box, the rotation disc is fixedly connected with a rotation shaft, and first meshing teeth are arranged on the rotation shaft; a cutting mechanism also comprises a tooth frame, secondmeshing teeth are arranged on upper and lower sides inside the tooth frame, a cutting tool is arranged at one end of the tooth frame, a connection rod is connected to the other end of the tooth frame,a sliding plate is connected with the other end of the connection rod, and is in sliding connection with the inside of the pressure box, a main air pipe is connected to the pressure box, and the other end of the main air pipe is located above the cutting tool; a branch air pipe is connected to the main air pipe, and the other end of the branch air pipe is communicated with the storage bag and theair spraying bag. The device has high degree of automation, and the problem of difficulty in collection of paper scraps in the cutting process of the carton boards is solved.

The invention relates to a high-temperature-resistant hot-melt pressure-sensitive adhesive and a preparation method and application thereof. The hot-melt pressure-sensitive adhesive is prepared from athermoplastic elastomer, polyisobutene, a plasticizer, matrix resin, tackifying resin, butadiene styrene rubber, an inorganic filler, an antioxidant, an ultraviolet light absorber and a coupling agent, wherein the tackifying resin is one or a combination of rosin resin, terpene resin and hydrogenated rosin resin, and the tackifying resin contains hydrogenated rosin resin accounting for 25% or above of the total mass of the tackifying resin. According to the hot-melt pressure-sensitive adhesive disclosed by the invention, the specific tackifying resin and a certain amount of inorganic filler are added into the thermoplastic elastomer, and the components such as the matrix resin, the plasticizer and the coupling agent are matched, so that the prepared hot-melt pressure-sensitive adhesive has excellent high-temperature holding power, excellent high-temperature and low-temperature resistance, excellent thermal aging resistance, high peel strength, and good initial adhesion. The hot-melt pressure-sensitive adhesive can be applied in a wide temperature range, and can be well bonded with a base material after being soaked in water for a long time.

The invention discloses an agricultural spraying device, which comprises a pesticide box, wherein the bottom of the pesticide box is movably connected with universal wheels, the bottom of an inner cavity of the pesticide box is fixedly connected with a gear box, the top of the pesticide box is provided with a double-shaft motor, an output shaft at the bottom of the double-shaft motor runs throughthe pesticide box and extends to the inner cavity of the pesticide box, the end, which is located in the inner cavity of the pesticide box, of the output shaft of the double-shaft motor is fixedly connected with a first stirring rod, and the bottom of the stirring rod runs through the top of the gear box and extends to the inner cavity of the gear box. The agricultural spraying device is providedwith a box cover and anti-skid stripes, thereby being capable of preventing the pesticide in the box body from spilling, increasing the friction between the palm and the box cover, and achieving an effect of being not easy to slip in operation. The surfaces of stirring blades are provided with circular holes, thereby being capable of more uniformly stirring the pesticide. The agricultural sprayingdevice can achieve the effects of filtering impurities of the pesticide and avoiding blockage of the sprayer through setting a filtering screen.

The invention relates to a semi-open type wedge-shaped horizontal sliding hydraulic clamp, comprising a clamp body, an end cover, a piston rod, a piston, a guide key, two clamping blocks, two side guide plates, an upper guide plate and two dustproof strips. The clamp disclosed by the invention is convenient to replace and easy to clean; the clamp body has high rigidity and hardly deforms or slip in a test; the clamp can meet conventional large-batch tensile tests, also can meet the test requirements of dynamostatic universal and repeated tensile and compression tests, and has obvious technical advantages.

The invention discloses an adding soil spraying base material used for greening a rock steep slope. The base material is obtained by mixing and evenly stirring matrix soil, a solidifying agent, a soilreinforcement body and water, wherein the matrix soil includes red clay, ceramsite and humus soil, the solidifying agent includes cement, fly ash and gypsum, and the soil reinforcement body refers torice straw or wheat straw. The base material is light and can be rapidly solidified, and the problems are solved that a base material of adding soil of a steep slope is poor in stability and cannot be rapidly formed on the surface of the steep slope. Meanwhile, a porous soil structure is conducive to water and fertilizer conservation and the development of a plant root system, and the survival rate of vegetation is ensured. Local materials can be easily obtained and are convenient to use, construction is simple, the technical treatment cost is low, and the base materials have huge economic benefits.

The invention relates to a screw withdrawal tool. The screw withdrawal tool is particularly applicable to damaged screw operation. The screw withdrawal tool comprises a fastening sleeve and a compaction revolving part which is sleeved on the fastening sleeve, wherein occlusion faces are arranged on the inner side of one end of the fastening sleeve, the number of the occlusion faces is a plural, a sleeving combined hole is formed in an intersection position of each occlusion face, expansion joints are formed by upward extending of the fastening sleeve along sleeving combined holes, threads are arranged on the periphery of the fastening sleeve, the compaction revolving part comprises a cylinder portion which is sleeved outside the fastening sleeve, and a handle portion which is connected with the cylinder portion and is used for exerting external force action, and internal threads which are matched with the threads are arranged on the inner side of the cylinder portion. According to the screw withdrawal tool, vertical rotation of the compaction revolving part on the fastening sleeve improves occlusion force between each occlusion face and a screw head, and thus the screw head or a screw cap is assembled or disassembled, the operation is simple, and slipping phenomena are not prone to happening.

The invention discloses a sensing assisting type building thermal insulation board, and belongs to the technical field of building thermal insulation. According to the sensing assisting type buildingthermal insulation board, cracks of an outer wall can be guided and sensed through assisting hemispheres pre-buried in a thermal insulation board body, different magnetic control bags are triggered according to the external environment temperature, corresponding temperature control balls are attracted by utilizing the magnetic attraction effect, and under the matching action with migration holes,the automatic compression action of the temperature control balls is realized, so that corresponding functional materials are released; then heat or cold is released in a matching manner to assist inregulating the temperature of an assisting hemisphere area, so that the thermal insulation is improved; and meanwhile, the light guide effect of light guide rods is utilized, and when light is guidedto the assisting hemispheres, an obvious light reflection phenomenon can be generated, so that technicians can observe the cracks of the outer wall in time and take remedial measures, a good thermal insulation effect can still be kept within the period of time when the cracks occur, and the cracks are prevented from further spreading.

The invention discloses a vehicle body panel auxiliary tool. The vehicle body panel auxiliary tool comprises a mounting rod and a locking assembly, the mounting rod extends in the vertical direction, and the lower end of the mounting rod is used for abutting against a vehicle body water tank cross beam; and the locking assembly comprises a mounting base located at the upper end of the mounting rod, the mounting base forms a containing channel extending in the vertical direction, the containing channel is used for allowing buckles to penetrate through, and the upper end face of the mounting base is used for abutting against a vehicle body panel. When the surface of the vehicle body panel needs to be sprayed or the vehicle body panel needs to be opened through other operations, the vehicle body panel is opened manually firstly, then the lower end of the mounting rod abuts against the vehicle body water tank cross beam, the containing channel is arranged corresponding to the buckles, after an operator loosens the buckles, the buckles are installed in the containing channel in a penetrating mode, at the moment, the structure inside a vehicle serves as a supporting point, positioning is conducted based on the buckles, the vehicle body panel can be kept in an unfolded state, and stability is good.

The invention discloses a heating pad for an automobile steering wheel and a processing technology of the heating pad, and belongs to the field of steering wheel heating pads. According to heating padfor the automobile steering wheel and the processing technology of the heating pad, an electric heating wire is embroidered on the surface of a textile fabric main body through an embroidering process, and a corresponding energy supply unit is provided for the electric heating wire, so that a textile heating sheet integrally becomes a heat supply unit of the heating pad; then, an outer protectivesleeve is additionally arranged on the outer wall of the textile heating sheet, and a solid silica gel block and a liquid silica gel in the outer protective sleeve are utilized to realize the uniformheat dissipation of the textile heating sheet, so that the overall temperature difference of the outer side of the heating pad main body is small, the great influence on a driver due to the non-uniform heating of the outer side part of the heating pad main body is not easy to generate; and finally, a plurality of grating plates are additionally arranged in the outer protective sleeve, so that thestrength of the outer protective sleeve body can be effectively increased and decreased, the phenomenon that the outer protective sleeve slips off during the process that the driver holds the outer protective sleeve for driving is not likely to happen, and the safety performance of the outer protective sleeve is greatly improved.

The invention discloses a cable stripping tool capable of adjusting the blade depth, comprising a handle, a cable stripping head, a shear blade and a depth adjustment knob, the handle is fixedly connected with the cable stripping head, and the depth adjustment knob is fixed on the handle and the cable On the connection end of the stripping head, the shearing blade is installed on the outer wall of the depth adjustment knob in parallel, and is connected with the depth adjustment knob. Driven, it can move back and forth, and a limit plate is installed on the inner wall of the wire prevention hole of the cable stripping head. The limit plate and the shearing blade are symmetrically distributed, and the size of the release hole on the cable stripping head matches the size of the power cable. Based on the above principles, the present invention is specially designed for the size of the commonly used power cables in the electric power field, and can realize precise adjustment of the stripping depth and is not prone to slippage.

The invention discloses a modularized road paving device, and relates to a paving device and particularly relates to the modularized road paving device. Problems that existing urban road paving steps are complex and tedious, the construction time is long, many constructors are needed, and requirements of some road sections needing to be quickly paved, such as temporary take-off and landing airports, are difficult to meet are solved. The device comprises a tractor, an automatic laying device, a transport vehicle and a flattening device, wherein the tractor, the automatic laying device and the flattening device are sequentially connected from front to back, and the transport vehicle synchronously moves in the automatic laying device. The invention belongs to the field of road engineering.

The invention discloses an easy-to-adjust transmission system. The easy-to-adjust transmission system comprises a box body, a first bearing is embedded into one side wall of the box body, a first limiting ring is arranged on the other side of the box body, a first rotary shaft penetrates into the first bearing, one end of the rotary shaft is provided with a first connection gear, and a first driving gear is arranged at the other end of the first rotary shaft. One side of the first driving gear is provided with a first connection rod, one end of the first connection rod is provided with a firstconnecting pipe, and a second driving gear is arranged at the end of the first connecting pipe; a second bearing is arranged on one side of the second driving gear, the inner ring of the second bearing is fixedly connected with a first fixing shaft, a plurality of limiting holes are formed in the outer wall at the end of the first fixing shaft, and a first limiting rod penetrates through the limiting rings. Compared with a traditional transmission case, the structure is simple, operation is convenient, complicated installation means are not needed, and the using cost is reduced.

The invention discloses a multilayer injection molding ceramic cutting tool. The multilayer injection molding ceramic cutting tool comprises a ceramic tool blade and a hand shank, wherein the ceramic tool blade comprises a shank portion and a blade portion, and the hand shank is molded through at least two times of injection molding, is integrally molded with the shank portion, and is of multilayer structure. Besides inherent characteristics of a ceramic cutting tool, the multilayer injection molding ceramic cutting tool further has the advantages of being simple in structure, smooth in surface, glossy, difficult to loosen due to the fact that the ceramic tool blade and the hand shank are designed in integration mode and the like.

The invention relates to the technical field of cooling, and particularly discloses coating cooling equipment. The coating cooling equipment comprises a main cooling barrel, wherein an ice chamber isarranged on one side of the main cooling barrel; ice blocks are arranged in the ice chamber in advance; the main cooling barrel communicates with the ice chamber; the inner side wall of the main cooling barrel is slidably connected with a baffle which stops the ice blocks from entering the main cooling barrel; a main coating barrel is arranged in the main cooling barrel in a sleeving manner; a first elastic piece is connected between the main coating barrel and the main cooling barrel; a conveying portion is connected between the baffle and the main coating barrel; the inside of the main coating barrel is rotatably connected with a stirring bar; the stirring bar is connected with a motor; the inside of the main coating barrel is further connected with a feeding tube and a discharging tube;the feeding tube is connected with a feeding pump; the discharging tube is connected with a discharging pump; a leaking plate which is arranged transversely is arranged below the main coating barrel;the leaking plate is slidably connected to the inside of the main cooling barrel; and a second elastic piece is connected between the leaking plate and the bottom of the main cooling barrel. By the technical scheme, a coating can be cooled down repeatedly, meanwhile, salt can further be recycled, and the cost is saved.

The invention belongs to the technical field of medical apparatus and instruments, in particular to an electrocoagulation medical instrument. The electrocoagulation medical instrument comprises a conducting rod and a negative pressure channel, an insulation tube is arranged on the periphery of the conducting rod in a sleeving mode, and an electrocoagulation working head is arranged at the front end of the conducting rod; the electrocoagulation working head extends out of the front end of the insulation tube, a handle is arranged at the back end of the conducting rod, and the insulation tube extends to a handle; the negative pressure channel is communicated with a negative pressure pipe, and the conducting rod is electrically connected with a power supply structure. The electrocoagulation medical instrument is characterized in that the instrument further comprises one or more control buttons, and an electrocoagulation negative pressure joint control structure is arranged between the control buttons and the negative pressure pipe and the power supply structure. The electrocoagulation medical instrument has the advantages that negative pressure suction is in an opened state only in electrocoagulation operation, and the problem is solved that carbon dioxide pneumoperitoneum pressure in the abdominal cavity is lowered.

The invention discloses an adjustable internal hexagonal wrench. The adjustable internal hexagonal wrench comprises a supporting cylinder, clamping grooves, rotating handles, buckles, a top hole, a bottom hole, top threads, a propelling pin, a round handle, a compression spring and a thread rotating body, wherein the two clamping grooves which are symmetrical in position are formed in the outer wall of the supporting cylinder, the rotating handles are hinged to the bottoms of the clamping grooves, the buckles are integrally formed on the top surfaces of the clamping grooves, the buckles are ofsemi-sphere structures, the tail ends of the rotating handles are buckled to the top surfaces of the clamping grooves through the buckles, the top hole and the bottom hole are formed in the supporting cylinder from top to bottom, the inner diameter of the bottom hole is smaller than the inner diameter of the top hole, the top threads are in threaded connection with the top hole, the propelling pin is in sliding connection with the bottom hole in an up-and-down sliding mode, the round handle is integrally formed at the top of the propelling pin, a cone is integrally formed at the bottom of thepropelling pin, the round handle is in up-and-down sliding connection with the inner wall of the top hole, and the compression spring is connected to the outer wall, at the top of the round handle, of the propelling pin in a sleeving mode. The adjustable internal hexagonal wrench is capable of meeting the using requirement of internal hexagonal bolts of different specifications in a stretchable mode, convenient to adjust, easy to stress and small in occupied space.

The invention discloses a vehicle traveling instrument bracket, which comprises a main board, side plates are arranged on both sides of the main board, a protrusion and a supporting part are arranged on the inner side of the side plate, and the supporting part is located below the protrusion. The outer side of the side plate is movably installed with a bracket installation part, and the inside of the main board is provided with a boss and a wiring hole. The main board is also provided with a storage box, and an upper metal plate is installed at the bottom of the storage box. The bottom of the upper metal plate is equipped with a plastic column, the bottom of the plastic column is installed with a lower metal plate, and the upper surface of the lower metal plate is also provided with a spring installation hole, and the inside of the spring installation hole is installed with a shock absorber spring. The automobile sensor of this kind of automobile driving instrument is provided with protrusions, so that the phenomenon of slippage of the driving recorder is not easy to occur during driving, and is provided with an upper metal plate, a lower metal plate and a plastic plate, and Shock absorbing spring has reached the purpose of shock absorption.

The present invention relates to a double-sided adjustable cervical vertebra tractor, which comprises a neck front split and a neck rear split. The neck front split includes a chest support frame anda lower jaw support frame hinged to the chest support frame. In addition, double-sided adjustable cervical vertebra tractor also comprises an adjustment mechanism between the chest support frame and the lower jaw support frame for adjusting the opening and closing angles of the lower jaw support frame relative to the chest support frame. The adjustment mechanism includes a sliding component, a jacking rod, and a locking member that positions the sliding component. One end of the jacking rod is hinged to the sliding component, and the other end is hinged to the lower jaw supporting frame. The sliding component is free to slide relative to the chest supporting frame. By adopting the above technical scheme, a connecting rod force-application mechanism is formed between the chest support frame, the lower jaw support frame and the jacking rod, When the opening and closing angle of the lower jaw support frame is required to be adjusted, the sliding component should be moved, and the jackingrod is pushed to push the lower jaw support frame, the adjustment process is more labor-saving, and the state stability after adjustment is higher.

The invention provides a connection rod. The connection rod additionally comprises a positioning rod, a fixed rod, a fixed rod head and a position-limiting flange, the fixed rod and the fixed rod headare connected by a segment of connection body with the external diameter being less than that of the fixed rod, the tail end of the fixed rod head is provided with a groove which is matched with a rotating tool, the positioning rod is provided with screw grooves, the bottom wall of each screw groove is flat, and the wall surfaces of the parts, between adjacent screw grooves, of the positioning rod form wide screw threads. According to the connection rod, the positioning rod is provided with the wide screw threads, correspondingly, the inner wall of a positioning plug is provided with corresponding wide screw grooves, the positioning rod and the positioning plug occlude each other more tightly, occlusion portions are wider, and the thread slipping phenomenon is not prone to appear.

The invention provides a nonlinear optical crystal beryllium fluorocarbonate with the chemical formula Be2CO3F2 (abbreviated as BCF). Research shows that the BCF crystal of the invention has stronger nonlinear optical effect and greater birefringence than the KBBF crystal. efficiency, higher frequency doubling conversion efficiency, higher deep UV output power, stronger mechanical properties, better machinability, and higher resistance to laser damage; it can be used as an excellent UV and deep UV nonlinear optics Crystals and birefringent crystals, and can be widely used in various nonlinear optical crystal materials and two-dimensional materials.

The present invention provides a multifunctional integrated device based on anti-theft of communication pipelines and an installation tool thereof, including: a rotating fixing piece, a threaded wrench and an inner sleeve rod; a cylindrical groove A is provided on the top surface of the rotating fixing piece, and The elliptical protrusion is welded at the center of the top surface of the inner wall of the cylindrical groove A; the inner sleeve rod is threadedly connected to the inner sleeve. The invention has high stability and is not easy to cause the phenomenon that cannot be disassembled. Through the arrangement of the studs, after the wrench on the outer sleeve is sleeved on the elliptical protrusion and rotated and loosened, it is necessary to use the threaded wrench on the inner sleeve and the screw. The main body of the device can be pulled out from the pipe only after the threaded connection of the stud. At this time, if the thread on the outside of the stud is damaged, the inner sleeve rod can be used to connect with the threaded hole in the stud. The main body of the device can also be pulled out from the pipeline. , Through the backup function of the threaded hole, it can effectively prevent the phenomenon that the main body of the device cannot be pulled out when the external thread of the stud is damaged.

The invention discloses a single-anchor-cable-plate type foundation for a power transmission tower. The single-anchor-cable-plate type foundation for the power transmission tower comprises a bearing plate, an anchor eye, a pre-stressed anchor cable and concrete filled in the anchor eye. The pre-stressed anchor cable comprises a steel strand, a stretching and retracting anchor, a steel tube sleeve and steel cables. The stretching and retracting anchor comprises an upper connection plate, a lower connection plate, a spring connected with the upper connection plate and the lower connection plate and at least two connection rod assemblies symmetrically arranged on the two sides of the upper connection rod. The single-anchor-cable-plate type foundation for the power transmission tower resists vertically downward pressure, horizontal force and upward pulling force of the power transmission tower through the bearing plate and the pre-stressed anchor cable, the size of the anchor eye is reduced, the excavation amount of undisturbed soil and the spoil amount are reduced, the damage caused by large-area excavation to the environment is reduced, and therefore the ecological environment is protected. The invention further provides a construction method of the single-anchor-cable-plate type foundation for the power transmission tower. By the adoption of the construction method, during construction, the mechanical degree is high, the construction period is short, the construction efficiency is improved, and the construction cost is lowered.