4096 results about "Steel ball" patented technology

The invention discloses a laser cutting device, and relates to the technical field of laser cutting, the laser cutting device comprises a mounting rack, a laser cutting assembly used for movable cutting is mounted on the top side of the mounting rack, a sword grid frame used for placing a cutting piece is arranged on the bottom side of the laser cutting assembly, and a waste collecting groove used for collecting cutting waste is formed in the bottom side of the sword grid frame; according to the laser cutting device, through the arrangement of the male plate, the female plate, the steel balls, the inserting block, the scraper, the sliding sleeve and the like, after laser cutting is completed, in the process that the inserting block drives the male plate and the female plate to rotate reversely, a cutting piece is placed on the steel balls after being supported by the L-shaped supporting frame, and the cutting piece is placed on the sliding sleeve; the cutting piece is convenient to move and take, the surface of the cutting piece is prevented from being scratched, molten slag attached to the side faces and the sword peaks of the male plate and the female plate in the rotating process of the male plate and the female plate is automatically cleaned, and the use convenience of the device is further improved.

The invention belongs to the field of metal materials, and provides a hard alloy wear-resistant steel ball suitable for mine ore grinding and a preparation method thereof.The hard alloy wear-resistant steel ball is prepared from waste steel pig iron as a basic raw material and chemical components including 2.1%-2.2% of C, 9.8%-10.0% of Cr, 0.10%-0.20% of V and 0.03%-0.06% of Ti; a core-shell precipitated phase microstructure design with MN / MCN as a hard core and chromium carbonitride as a gradient self-passivation shell layer is formed through medium-frequency induction furnace smelting, controlled nitrogen introduction establishment of a V-Ti-C-N microalloy system, bottom pouring solidification and austenitizing quenching and tempering heat treatment processes, and the performance indexes that the surface hardness is HRC60-63 and the core hardness is HRC54-58 are achieved; the average particle size of a core-shell precipitated phase is in dispersed distribution of 20-200nm, the shell thickness is 5-50nm, and the alloy steel ball has excellent wear resistance and corrosion resistance under the high-impact and high-wear working conditions of wet ore grinding, solves the problem of insufficient wear resistance and corrosion resistance of a traditional alloy steel ball, and has wide mine ore grinding application value.

The invention discloses a production process of tempered laminated glass, which belongs to the technical field of tempered glass, and comprises the following steps: strictly screening raw sheets, carrying out three-zone gradient tempering, namely, mutually combining 680-700 DEG C temperature zone temperature control and 8-12kPa gradient wind pressure quenching, and precisely compounding by using a PVB interlayer to obtain the tempered laminated glass. 23 DEG C / 30% RH pre-balancing, 0.5 mm vacuum positioning and 120-140 DEG C rolling initial pressing are combined, and then high-pressure kettle staged curing, namely, the process of heat preservation for 120 minutes at 1.2 MPa / 135 DEG C and the process of gradient cooling at the temperature smaller than or equal to 15 DEG C / h are combined, so that the finally prepared tempered glass product has high optical performance, namely distortion smaller than or equal to 0.1 mm / mm, high impact resistance, namely no penetration in 1m steel ball falling and excellent weather resistance; degumming is avoided in the environment of 85 DEG C / 85% RH / 500 h, and accurate control over the whole process from materials to finished products is achieved. Therefore, the production process of the tempered laminated glass solves the technical problem of how to improve the production efficiency of the tempered laminated glass.

The invention provides a high-precision mute bearing for an industrial robot, which is suitable for the technical field of bearings and comprises a steel ball frame assembly, and the steel ball frame assembly comprises a steel ball retainer and steel balls; the steel ball retainer comprises a positioning ring structure and a plurality of unit steel ball retainers, and the unit steel ball retainers are distributed on the positioning ring structure in an annular array; the steel balls are correspondingly and rotationally assembled on the unit steel ball retainers; the positioning ring structure comprises a positioning ring, a plurality of adjusting grooves are formed in the positioning ring, and the unit steel ball retainers are slidably mounted in the adjusting grooves in a one-to-one correspondence manner; the unit steel ball retainers finish the distance adjustment among the plurality of unit steel ball retainers through the positions of the telescopic structures arranged on the unit steel ball retainers in the adjusting grooves, and are used for adjusting the structures to adapt to the supporting strength; an adaptive adjusting structure adapts to the supporting strength, the bearing is prevented from being damaged easily, and the service life is prolonged; and the structure is switched timely for rotating use and hovering, and the structure is adjusted flexibly and reasonably according to force bearing points.

The invention discloses a wear-resistant steel ball production process and surface treatment equipment thereof, and belongs to the technical field of wear-resistant balls, and the wear-resistant steel ball production process comprises the following steps: step 1, weighing raw materials, smelting the raw materials, and casting into a continuous casting billet; (2) the continuous casting billet obtained in the step (1) is placed in a steel rolling heating furnace to be heated to 1120-1250 DEG C, heat preservation and thorough burning are conducted, and then the continuous casting billet enters a continuous rolling unit to be rolled into a round steel bar; 3, the round steel bar is sent to a heating furnace to be heated to 1030 DEG C to 1100 DEG C, heat preservation is conducted, the round steel bar is taken out of the furnace after thorough burning, then the round steel bar is rolled into steel balls on a ball rolling machine, and the rolling temperature is 940 DEG C to 960 DEG C; 4, the steel balls with the waste heat enter a quenching water tank along a roller way to be subjected to water-cooling quenching, and the water entering temperature of the steel balls during quenching is 830-860 DEG C; and 5, tempering is conducted after quenching of the steel ball, the tempering temperature ranges from 160 DEG C to 200 DEG C, surface treatment is conducted after cooling, and finally the high-abrasion-resistance steel ball is obtained. The wear-resistant steel ball is high in production efficiency and high in quality; and the steel balls are uniform, high in core hardness, low in breakage rate and excellent in wear resistance.

The invention relates to the technical field of material metallurgy, and discloses high-wear-resistance hot-rolled round steel for titanium-containing steel balls and a preparation method thereof.The round steel comprises 0.60%-0.67% of C, 1.40%-1.60% of Si, 0.70%-0.90% of Mn, smaller than or equal to 0.020% of P, smaller than or equal to 0.015% of S, 0.70%-0.90% of Cr, 0.10%-0.15% of Ti, smaller than or equal to 0.30% of Ni, smaller than or equal to 0.40% of Cu, smaller than or equal to 0.05% of Al, smaller than or equal to 0.0020% of O, smaller than or equal to 0.0002% of H and smaller than or equal to 0.0035% of N; and the balance of Fe and inevitable impurities. Through the high-titanium-low-nitrogen microalloying design, the technical contradiction that the toughness is remarkably reduced when the strength and the hardness of traditional high-carbon steel ball steel are improved is solved, and excellent synergistic improvement of the strength, the hardness and the toughness is achieved.

Low-pressure oil enters an inlet of a proportional overflow valve, the pressure of a low-pressure system is controlled by the proportional overflow valve, pressure oil on the low-pressure side acts on a plunger control cavity of the hydraulic control overflow valve through a pressure stabilizing damper and a one-way valve, and hydraulic pushing force generated by a plunger is transmitted to an overflow valve steel ball through a disc spring; when the force obtained by multiplying the ultrahigh pressure of the inlet of the hydraulic control overflow valve by the action area of the steel ball is equal to the pushing force of the plunger, the steel ball of the overflow valve is opened to start overflowing, and the overflow pressure of the ultrahigh pressure system can be controlled by adjusting the pressure of the proportional overflow valve of the low-pressure system. The external control type ultrahigh-pressure proportional pressure regulating valve can be used for pressure regulation of a hydraulic system with the pressure being 200 MPa or above and can be used as a proportional overflow valve of an ultrahigh-pressure hydraulic system. By arranging a hydraulic loop of two auxiliary oil ports of the external control type ultrahigh pressure proportional pressure regulating valve, the pressure rising one-way proportional regulating function, the pressure unloading function and the pressure rising / falling two-way proportional regulating function of an ultrahigh pressure system can be achieved.

The utility model discloses a conveying device for recycling waste steel balls of a ball mill, which belongs to the technical field of conveying devices, and is characterized in that the conveying device comprises a support frame and a motor, a body is mounted on the support frame and comprises two protective plates, one end between the two protective plates is rotatably connected with a driving roller, and the other end between the two protective plates is rotatably connected with the motor. One end of the motor is provided with a driving roller, the other end of the motor is provided with a driven roller, the motor is connected with the driving roller, a plurality of lifting rollers are arranged between the two protection plates, a belt is arranged on the driving roller, the driven roller and the lifting rollers, and a plurality of limiting grooves are formed in the surface of the belt at equal intervals. Two electric push rods are arranged between the ends, close to the driven roller, of the two protection plates and the supporting frame. According to the device, steel balls and minerals can be prevented from falling off, resources are saved, the conveying angle can be adjusted, it is ensured that materials are conveyed at the optimal angle, and the conveying efficiency is improved.

The application relates to the technical field of liquid control check valves, and discloses a plug-in type large-flow liquid control check valve structure with an adjustable pilot ratio, which comprises a pilot valve block and a main valve core, the pilot valve block is provided with a protective cap, one end of the protective cap is provided with a first base, a limiting rod is movably connected in the first base, a guide plunger is in contact connection with one end of the limiting rod, a top rod is in contact connection with the bottom of one end of a rotating lever, a steel ball is in contact connection with the bottom of the top rod, the steel ball is movably connected in the second base, the second base is provided with a third return spring, the pilot valve block and the main valve core are composed of two-stage structures, the pilot valve block adopts a unique mechanical structure, the control pilot ratio of the liquid control check valve is changed by adjusting the limiting rod, the main valve core adopts a two-way plug-in valve, the characteristics of high flow capacity of the two-way plug-in valve are fully utilized, the problem of large flow is solved, and the designed flow of the application can reach 5000 L / min.

The invention relates to integrated assembly and detection equipment for a knob rotor, and the equipment comprises a rack, the rack is provided with a workpiece feeding station, an oil coating station, and a spring and marble feeding station, and the workpiece feeding station is provided with a workpiece bearing seat and a first driving part. The oiling station is provided with an oiling gun and a second driving part for driving the oiling gun to ascend and descend, the spring and marble feeding station is provided with a spring feeding device and a marble feeding device, and the spring feeding device comprises a positioning column, a fifth driving part for driving the positioning column to ascend and descend, two clamping jaws and a sixth driving part for driving the two clamping jaws to move. Arc-shaped grooves matched with the positioning columns are formed in the opposite side walls of the two clamping jaws, and the marble feeding device comprises a suction cup and a seventh driving piece for driving the suction cup to ascend and descend. By the adoption of the technical scheme, the integrated assembling and detecting equipment for the knob rotor is provided, accurate assembling and automatic oil coating of the springs and the steel balls are achieved, the assembling efficiency is improved, and the assembling quality can also be improved.

The invention relates to a mining steel wire straightening machine with a rust removal function, and belongs to the technical field of steel wire straightening tools. Comprising a base, a grinding mechanism, a rust removal mechanism, a straightening mechanism and a cutting mechanism are sequentially arranged at the upper end of the base from front to back, the grinding mechanism comprises a rotating seat, and a circle of steel brush is arranged in the rotating seat; the rust removal mechanism comprises a spraying assembly and a slag removal assembly which are distributed front and back, the spraying assembly comprises a circle of atomizing nozzles, and the slag removal assembly comprises a circle of rotatable steel wire balls; the straightening mechanism comprises a pair of pressing wheels which are distributed up and down, a plurality of pairs of first straightening wheels and second straightening wheels which are distributed up and down, and a plurality of pairs of fourth straightening wheels and third straightening wheels which are distributed left and right, the upper pressing wheels and the first straightening wheels can slide in the vertical direction, and the fourth straightening wheels can slide in the left and right direction; the cutting mechanism comprises a circle of laser guns; the problem that at present, rust removal and straightening procedures of the mining steel wire are separated is solved.

The invention discloses an intelligent screening and scrap recycling method and device for a steel ball hard grinding machine, and relates to the technical field of industrial automatic control and recycling monitoring. The intelligent screening and scrap recycling method and device for the steel ball hard grinding machine comprise the following steps that S1, scrap separation operation data are collected in real time, and the scrap separation operation data are preprocessed; s2, chipping separation collaborative evaluation is carried out on the chipping separation operation data; s3, wind power regulation decision guidance is carried out on the debris separation operation data entering the regulation area; s4, storing and analyzing historical operation data and adjustment results; and S5, integrating the chipping separation operation data, the chipping separation collaborative evaluation result and the wind power regulation decision guide result to execute operation fluctuation early warning triggering. The problems of separation efficiency fluctuation and serious mistaken separation caused by unstable air pressure, material distribution change and other factors in the winnowing and magnetic suction recovery process after the chippings are screened are solved.

The invention discloses a combined sucker rod centralizer, and relates to the technical field of sucker rod centralizers, the combined sucker rod centralizer comprises an upper fixing sleeve and a centralizing assembly, the upper fixing sleeve is connected to the outer side of a sucker rod body in a penetrating and sleeving manner, the lower side of the upper fixing sleeve is connected with an upper adjusting mechanism capable of moving up and down, and the upper adjusting mechanism is connected with the upper side of the centralizing assembly. According to the combined sucker rod centralizer, the rotation effect of the centralizing assembly is automatically achieved through the inertia force of up-down movement of a sucker rod and rolling fit of the slope blocks and the balls, so that the contact points of the steel balls and the inner wall of an oil pipe are continuously and dynamically changed, and the situation that local concentrated abrasion is caused due to the fact that the contact points of a traditional centralizer are fixed is avoided; and through high-low position automatic matching of the first inclined plane block and the second inclined plane block, bidirectional stable supporting of the upper guide rod, the lower guide rod and the centralizing assembly can be achieved, the situation that the centralizing assembly is unstable due to inertia offset is avoided, and the operation stability of the device is guaranteed.

The invention discloses a miniaturized and light direct insertion type waterproof connector which comprises a plug and a square plate socket. The plug comprises a housing, a coupling nut, a spring, a steel ball, a stop ring, a snap spring, a crimping jack assembly and a bonding jack insulator assembly. The connecting nut and the shell are limited through the steel ball, the spring can be compressed by pressing the connecting nut, limiting of the steel ball is relieved, and rapid butt joint and locking of the plug and the socket are achieved. An F-shaped stop groove is formed in the shell and matched with the stop ring, and the spring can be prevented from resetting during pre-installation. The housing is provided with a three-key position, and the three-key position is matched with the three-key groove of the socket to prevent misplug. Through an innovative locking and mistake proofing structure and in combination with compact hole position arrangement, miniaturization and light weight of the connector are realized on the premise of ensuring an IP67 waterproof grade and reliable connection, and compared with a traditional J599 series connector, more contact bodies can be accommodated under the same shell size.

The invention discloses a metal hose quick-plug connector, which relates to the technical field of pipeline connection, and comprises a male connector and a female connector, at least three clamping pins which are arranged in a circumferential array around the male connector are fixed outside the male connector, a clamping ring which is rotatably clamped with the clamping pins is fixed outside the female connector, and a sealing ring is arranged between the male connector and the female connector. The locking mechanism comprises a sleeve connected to the interior of the female connector in a sliding mode, a positioning pipe is fixed to the male connector, the steel ball clamps the sleeve under the action of the elastic force of the spring, and rotation of the sleeve and the female connector relative to the male connector can be limited within the preset working torque range; therefore, excessive abrasion of an internal sealing ring caused by frequent rotation of the male connector and the female connector is avoided, sealing stability of the quick-plug connector is guaranteed, meanwhile, when torsional force borne by the male connector and the female connector exceeds a preset range, the male connector and the female connector can release torsional stress through relative rotation, and the metal hose is effectively prevented from being damaged due to excessive torsion.

The utility model relates to the technical field of all-steel-ball type electromagnetic multi-way valves of harvesters, and discloses an all-steel-ball type electromagnetic multi-way valve of a harvester, which comprises a composite hydraulic control plunger, the composite hydraulic control plunger comprises a second steel needle, a sealing element and a second guide column, the sealing element comprises a third steel ball and a second ball seat, and the second steel needle is connected with the second steel needle. A second ball seat is connected into the second guide column, one end of the second ball seat is connected with a third steel ball, one end of a second steel needle is connected with the third steel ball, the third steel ball is used for blocking the opening A1, the other end of the second steel needle is connected with a combined hydraulic control plunger, the combined hydraulic control plunger is slidably connected into the control chamber f, and the oil inlet chamber h is communicated with the oil return chamber g. The opening A1, the cavity j, the oil inlet chamber h, the oil return chamber g and the oil return channel T1 are sequentially communicated. According to the all-steel ball type electromagnetic multi-way valve of the harvester, all reversing valves are composed of double-ball type pilot valves and steel ball type hydraulic control one-way valves. The anti-pollution capacity is extremely high, and the reliability is high.

The invention provides a quick connector for a liquid cooling pipeline. The quick connector comprises a male connector assembly and a female connector assembly, wherein the female joint assembly comprises a female joint main body and a locking sleeve, the locking sleeve is axially and slidably arranged on the female joint main body in a sleeving manner, and a locking mechanism formed by a plurality of limiting steel columns which can move in the radial direction in an annular array manner is arranged in the female joint main body; the male connector assembly comprises a male connector body, and an annular locking groove matched with the limiting steel column is formed in the outer surface wall of the insertion end of the male connector body. The inner wall of the locking sleeve acts on the limiting steel column through a sliding sleeve, the limiting steel column is adopted to replace a steel ball, the contact mode of a locking part is changed into linear contact or small-area surface contact from point contact, the stress area is increased, the contact pressure is remarkably reduced, abrasion and plastic deformation are effectively restrained, and the service life of the locking sleeve is prolonged. The connector can bear more frequent plugging and pulling and stronger system pressure impact and vibration, and the service life is greatly prolonged.

The invention discloses a capacitance method measuring device and method for the thickness of a lubricating oil film between mechanical friction pairs based on a dynamic correction model, and belongs to the technical field of electrical measurement. Wherein the point contact ball disc testing machine comprises a point contact friction pair formed by a conductive disc and a steel ball; the conductive disc is electrically isolated by arranging insulating rubber pads on the upper surface and the lower surface of the conductive disc, and the steel ball is electrically isolated by arranging an insulating ceramic ball bearing in a transmission mechanism where the servo motor is connected with the steel ball. The two independent servo motors respectively drive the steel ball and the conductive disc to rotate, so that test working conditions at different speeds can be realized. According to the invention, the capacitance distribution in the Hertz contact area can be effectively calculated, the problem of measurement errors caused by peripheral capacitance interference of the Hertz contact area in a traditional capacitance method is solved, and accurate measurement of the oil film thickness between common metal friction pairs in engineering is realized.

The invention relates to the technical field of bearing assembling and ball sleeving, in particular to a double-row angular contact ball bearing assembling and ball sleeving mold and a ball assembling method, and the technical scheme is that the double-row angular contact ball bearing assembling and ball sleeving mold comprises a filling device and a ball distributing device; the filling device comprises an assembling base, a guide plate is arranged above the assembling base, a ball cushioning device is installed on the guide plate, the ball distributing device comprises a ball distributing seat, an inner column is installed in a circular groove of the ball distributing seat, an ejector rod device is installed between the ball distributing seat and the inner column in a sliding mode, a positioning device is installed in the hollow interlayer, and a ball discharging device is installed on the hollow interlayer. The method has the beneficial effects that after the lower side channel steel balls are filled, the ball padding device is inserted, and then the upper side channel steel balls are filled, so that the effect of preventing the surfaces of the bearing raceway or the steel balls from being crushed is achieved; after the steel balls are assembled, the ejector rod device is automatically inserted among the steel balls, and then the positioning device is started to drive the ejector rod device to stir the steel balls, so that the steel balls are ensured to be uniformly dispersed into the corresponding channels, and the ball distribution difficulty is reduced.

The invention discloses a withstand voltage test device and a withstand voltage test method for an insulating product, and relates to the technical field of withstand voltage tests. The insulation product voltage withstanding test device comprises a workbench, an insulation stand column, a transverse supporting rod, a conductive stand rod, a conductive pressing plate, a box body assembly and a separation support. And when the outer side wall of the heel of the tested insulating boot is pressed on the separation bracket, the steel ball can roll out through the skirt edge opening which is arranged obliquely downwards and falls into the inner cavity of the insulating boot to be tested, and the third conductive liquid at the bottom surface position of the tested insulating boot is adhered to the separation bracket and flows downwards along the separation bracket. The first conductive box body can conduct electricity when being crimped on the conductive pressing plate and is used for forming a loop required by a withstand voltage test of the insulating gloves; the second conductive box body can conduct electricity when being crimped on the conductive pressing plate, and is used for forming a loop required by a withstand voltage test of the insulating boot; and the two wires do not need to be assembled, disassembled and arranged when the two wires are replaced, so that the operation steps of a user are reduced.

The invention belongs to the technical field of optical glass, and discloses an impact test device for manufacturing optical glass, which comprises a bearing platform, a guide assembly mounted on the bearing platform, a support assembly arranged on the guide assembly, and an impact test assembly arranged on the support assembly, the protection assembly is mounted on the supporting assembly; a steel ball vertically falls to impact optical glass, two supporting assemblies are pushed to move oppositely in the falling process, a movable frame moves to the vertical end along a guide groove through a connecting piece, and at the moment, the movable frame and a supporting roller rod move oppositely along the lower end of the guide groove under the action of a second tension spring; the distance between the two supporting roller rods is shortened by rotating the two supporting roller rods, the two supporting roller rods move downwards and the distance between the two supporting roller rods is shortened in the rebounding process of the steel ball, the steel ball is supported through the two supporting roller rods, the situation that the steel ball rebounds and secondarily impacts optical glass is avoided, and therefore the accuracy of the optical glass impact test is guaranteed.

The utility model discloses a steel ball sealing pressure-maintaining electromagnetic valve, which comprises a shell, an upper cover, a lower cover, an electromagnetic coil, a movable iron core, a fixed iron core and a spring, relates to the technical field of electromagnetic valves, adopts steel ball sealing to replace a rubber or silica gel sealing ring, and solves the problem that the traditional rubber or silica gel sealing ring is adhered or deformed. The switch sensitivity of the electromagnetic valve is enhanced, the equipment protection is enhanced, and the service life of the electromagnetic valve is prolonged.

The utility model relates to the technical field of steel ball quenching, and discloses novel bearing steel ball quenching equipment which comprises a base, the top of the base is fixedly connected with a quenching pool, one side of the top of the quenching pool is fixedly connected with a baffle, one side of the baffle is fixedly connected with a motor, the output end of the motor is fixedly connected with a brush roll shaft, and the brush roll shaft is fixedly connected with a motor. And a cleaning box is fixedly connected to the top of the other side of the baffle, supporting plates are fixedly connected to the two sides of the top of the quenching pool, a dust suction machine is fixedly connected to the tops of the supporting plates, a dust suction pipeline is fixedly connected to a port of the dust suction machine, and a filter screen is installed on the inner wall of the dust suction pipeline. According to the steel ball cleaning device, the motor is started to drive the brush roll shaft to clean the surfaces of steel balls in the cleaning box, and then the dust suction pipeline adsorbs and filters dust in the cleaning box through the filter screen through the dust suction machine, so that the surface quality of the steel balls is improved, and the risks of oxidation and corrosion are reduced; therefore, the performance and the service life of the whole workpiece are improved.

The utility model provides steel ball surface grinding and polishing equipment, and belongs to the technical field of steel ball machining. The steel ball surface grinding and polishing equipment comprises a support, a rotating piece is arranged at the upper end of the support, a grinding piece is eccentrically arranged on the rotating piece, a supporting table is arranged at the lower end of the support, the supporting table comprises three rotating rollers arranged in a triangular shape, each rotating roller rotates independently, and balls are placed on the rotating rollers. The grinding device has the following effects that the rotating piece drives the eccentric grinding piece to rotate around the ball for grinding, the grinding range is larger and more uniform, the supporting table composed of the three rotating rollers is used for driving the ball to rotate in any direction, and therefore dependence on manpower during grinding is avoided, and automation is improved.

The invention provides an anti-toppling and anti-collision type AGV carrying robot for a power switch cabinet, and relates to the technical field of AGV carrying robots, the anti-toppling and anti-collision type AGV carrying robot comprises a carrying vehicle body and a lifting pallet installed on the carrying vehicle body and used for bearing the power switch cabinet, and anti-toppling mechanisms are arranged at the two side ends of the carrying vehicle body; according to the anti-roll transport vehicle, the anti-roll rods symmetrically distributed on the two sides of the rotating shaft are driven to rapidly rotate through meshing transmission of the straight groove racks and the second gears on the rotating shaft, and when the anti-roll rods are unfolded to be parallel to the transport vehicle body, the anti-roll rods are driven to rapidly rotate; the balls made of wear-resistant steel balls embedded in the ends of the anti-roll bar are in contact with the ground, so that the risk of center-of-gravity shift can be reduced by enlarging the contact area between the robot and the ground, the frictional resistance between the anti-roll bar and the ground can be reduced by means of the rolling characteristics of the balls, and additional hindrance to movement of the robot is avoided; and finally, the anti-rollover capacity for coping with different working conditions in the carrying process is remarkably improved.

The invention relates to the technical field of oil tank truck safety monitoring, in particular to an oil tank truck Iot intelligent lead sealing strip system which comprises a lock assembly and further comprises a steel wire rope detection circuit, a wireless communication module, an NFC encryption label and a power supply module. Each lock assembly comprises a main body shell, a lock shell, a lock cylinder, a spring and steel balls, the two lock assemblies are symmetrically arranged relative to the center line of the main body shell, and the three steel balls of the same structure are arranged on the lock cylinder in the radial direction of the lock cylinder; the steel wire rope detection circuit connects a steel wire rope to the circuit through a resistor, and detects the connection state of the steel wire rope in real time by detecting the voltage change on the steel wire rope; the wireless communication module comprises a master control MCU circuit integrated with a wireless transceiver and a wireless antenna, and is used for uploading the connection state information of the steel wire rope in real time; the NFC encryption tag has a repeated read-write function and can be encrypted; and the power supply module is a disposable button cell. According to the application, the safety of lead seal monitoring of the oil tank truck can be improved.

The invention relates to a modularized contact engagement depth detector capable of wirelessly transmitting data. The invention aims to solve the problems that in the prior art, a sensor is unclear in arrangement structure or complex in arrangement structure, tedious to operate and inconvenient to use, and inconvenience is brought to wiring and detection due to the fact that data lines are adopted for transmission. According to the technical scheme, the displacement sensor comprises a shell, a displacement sensor, a top sheet, a fixing structure and a transmission circuit, the shell comprises a shell front section, a shell rear section and a mounting seat, a front port of the shell front section is provided with a first limiting ring, a rear port is provided with an internal thread and an external thread, a mounting step ring is arranged in a cylinder, and the cylinder wall is provided with a plurality of steel ball spring ejectors; the displacement sensor is a self-recovery linear displacement sensor and is locked in the front section of the shell, the transmission circuit is a wireless data transmission circuit board with a battery and is installed on the rear side of the installation base, the installation base is in threaded fit with the front end of the shell, and the data output end of the displacement sensor is connected with the data input end of the circuit board. And the circuit board is sleeved in the cavity of the shell rear section and is in threaded fit with the shell front section.

The utility model is applicable to the technical field of silicon nitride ceramic substrate preparation, and provides a surfactant mixing and ball-milling device for silicon nitride ceramic substrate preparation, which comprises a ball mill, a feeding component and a driving component, the ball mill comprises a support arranged horizontally, a hollow circular ball milling barrel and a machine cover arranged in the horizontal direction. The feeding assembly is arranged at the top of the ball milling barrel and is used for injecting milling balls and grinding materials into the ball mill; the driving assembly is arranged at the end, away from the ball milling barrel, of the support and used for providing power for ball milling of the ball mill. The device solves the problems that when powder of a silicon nitride ceramic substrate is prepared in a ball milling mode, a ball mill is prone to being damaged due to the fact that the falling speed of grinding media (steel balls and ceramic balls) is too high, and powder is prone to being splashed due to the fact that the grinding media fall to hit the powder. The purpose of ensuring that the powder and the grinding medium smoothly enter the ball mill through the feeding assembly is achieved.

The invention provides a steel ball supplementing control method, device and equipment of a semi-autogenous mill and a storage medium, and relates to the technical field of mineral processing, the method comprises the following steps: obtaining production data of the semi-autogenous mill, and constructing a production database according to the production data; constructing a digital platform according to the production database in combination with a beneficiation knowledge base and an expert system; according to the ore parameters, the steel ball parameters and the operation parameters of the semi-autogenous mill, a steel ball abrasion dynamic model is built; calculating steel ball supplementing parameters of the semi-autogenous mill according to the digital platform steel ball wear dynamic model; constructing a digital twinborn prediction system according to the production data, and adjusting steel ball supplementing parameters by using the digital twinborn prediction system to obtain a steel ball supplementing strategy; and according to the steel ball supplementing strategy, the intelligent ball adding machine is controlled to supplement the steel balls to the semi-autogenous mill. Key parameters of the semi-autogenous mill can be obtained in real time, the number and the period of supplemented balls are dynamically adjusted, and it is ensured that equipment is always in the optimal working state.

The utility model discloses a chain tensioning device for a motorcycle, which relates to the field of chain tensioning and comprises rear forks symmetrically arranged on two sides of a rear wheel mechanism of the motorcycle, a sliding groove is arranged on the outer side of the left end of each rear fork, a mounting block device is connected in each sliding groove, and the mounting block devices are used for mounting the rear wheel mechanism of the motorcycle. A locking hole with an opening facing leftwards is formed in the right side of the sliding groove, a guide hole with an opening facing the inner side of the rear fork is formed in the locking hole, an adjusting bolt is installed in the locking hole, a spring ball device is installed in the guide hole, and the spring ball device is perpendicular to the adjusting bolt and abuts against the adjusting bolt. The rotating angle of the adjusting bolt is calculated according to the sound frequency by matching with scale marks on the rear fork and a pointer of the mounting block device, mutual reference is achieved, the chain tensioning adjusting precision is improved, the adjusting bolt is limited and fixed, abnormal sound generated by jumping of a steel ball is avoided, the adjusting bolt is prevented from rebounding repeatedly, and the reliability of the device is greatly improved.