448results about How to "Avoid shedding" patented technology

The invention relates to a wide-temperature high-precision optical acceleration sensitive chip and sensor based on a microcavity interferometer principle and a manufacturing method thereof, the wide-temperature high-precision optical acceleration sensitive chip comprises a first substrate, a second substrate and a third substrate, an optical fiber mounting seat and a light through hole are formed on the first substrate, a beam structure and an inertial mass block are processed on the second substrate, and the beam structure is arranged on the third substrate. The first substrate, the second substrate and the third substrate are all made of double-polished super-flat silicon wafers, a single-mode optical fiber assembly is fixed to the optical fiber installation base, the end face of the single-mode optical fiber assembly is subjected to precise grinding and is perpendicular to the axial direction of an optical fiber core, and a first cavity mirror is formed by means of the end face of the side, facing the light through hole, of the inertial mass block. A second cavity mirror is formed on the end face of the single-mode optical fiber assembly, the first cavity mirror and the second cavity mirror form an F-P interference cavity, and the first substrate, the second substrate and the third substrate are connected through the silicon-silicon bonding technology.

The invention relates to a copper plating electroplating solution as well as a preparation method and application thereof. The copper plating electroplating solution comprises the following components: copper pyrophosphate, a complexing agent, ammonia water, a bath building agent, a gloss agent, a pH regulator and water, the complexing agent is selected from potassium pyrophosphate or sodium pyrophosphate; the mass percentage concentration of the ammonia water is 20%-30%, and the volume concentration of the ammonia water in the copper plating electroplating solution is 2-10 mL / L; the mass concentration of the gloss agent in the copper plating electroplating solution is 10 to 50 mg / L; and the pH value of the copper plating electroplating solution is 7.8-10. When the copper plating solution is used for silver grid line copper plating, on the premise that the cost is reduced, the silver grid line copper plating has a good plating effect, the silver grid line is firm and does not fall off, and good conductive performance is kept.

The invention discloses a carbon fiber bicycle hub coating-free hot stamping device and a coating-free hot stamping process, and belongs to the field of hub coating-free hot stamping, the carbon fiber bicycle hub coating-free hot stamping device comprises a working table, a mounting plane is arranged on the working table, a feeding table for bearing a carbon fiber bicycle hub is detachably arranged on the working table, and the feeding table is provided with a discharging port for discharging the carbon fiber bicycle hub. A baffle is detachably arranged on the feeding table. According to the coating-free hot stamping device and the coating-free hot stamping process for the carbon fiber bicycle hub, through combination of the follow-up blowing component and the follow-up inserting component, hot stamping operation on the carbon fiber bicycle hub can be effectively and synergistically assisted, so that when the hot stamping component conducts hot stamping on the carbon fiber bicycle hub, the carbon fiber bicycle hub is prevented from being damaged, and the carbon fiber bicycle hub is prevented from being damaged. The situation that the follow-up air blowing component and the follow-up inserting component are used at the same time when the hot stamping component moves downwards is avoided, the stability of hot stamping is improved, the follow-up air blowing component and the follow-up inserting component can be promoted to be used at the same time every time the hot stamping component moves downwards, and the overall maintenance difficulty of equipment is lowered.

The utility model belongs to the technical field of infusion alarms, and particularly relates to an infusion alarm which comprises an alarm body and an infusion alarm device arranged on the alarm body. The supporting device comprises two fixing blocks which are symmetrically arranged on the rear side wall of the alarm main body and are provided with slots, and an inverted U-shaped supporting frame which is arranged between the two fixing blocks and is in sliding connection with the slots; the inverted U-shaped clamping frame is arranged at the tail end of the supporting frame; and the fastening rod is in threaded connection with the rear side wall of the clamping frame and is used for fixing the alarm main body and an infusion support. According to the infusion alarm device, the supporting device is arranged, so that the alarm device body can be conveniently fixed to an infusion support, the situation that the alarm device body is directly clamped on the outer side of an infusion tube and applies downward pulling force to the infusion tube is avoided, and the situation that the connecting position of the infusion tube and an infusion bottle falls off is avoided; and accompanying personnel and medical personnel can be reminded in time.

The invention provides a low-cost silicon-carbon negative electrode material, a preparation method thereof and a lithium ion battery, and the preparation method comprises the following steps: mixing nanometer silicon and a resin prepolymer, and then carrying out cross-linking curing and carbonization to obtain a silicon-carbon precursor; and carrying out carbon coating on the silicon-carbon precursor to obtain the silicon-carbon negative electrode material. According to the low-cost silicon-carbon negative electrode material, the preparation method thereof and the lithium ion battery provided by the invention, the silicon-carbon negative electrode material not only has properties such as gram volume and first effect which are comparable to those of novel silicon carbon, but also is low in powder resistivity, low in cost and easy to industrialize.

The invention discloses an intelligent monitoring type oxygen inhalator controlled through a touch screen. The intelligent monitoring type oxygen inhalator comprises a fixing shell, a connecting mechanism is arranged at the bottom of the fixing shell, a humidifying mechanism is arranged at the bottom of the connecting mechanism, self-locking mechanisms are arranged on one side of the connecting mechanism and one side of the humidifying mechanism, and clamping mechanisms are arranged in the self-locking mechanisms and the connecting mechanism. During oxygen inhalation, a hose of the oxygen inhalation device is inserted into the self-locking mechanism, is difficult to withdraw and is prevented from falling off due to accidental touch, and when a patient needs atomization oxygen inhalation, the humidifying mechanism is directly inserted into the device and can be clamped and fixed by the plugging head, and the self-locking mechanism is also arranged on the outer side of the humidifying mechanism, so that the humidifying device is convenient to use. And the display screen can display and adjust the oxygen flow concentration and has a self-locking function, and an alarm can be given on the display screen when the patient does not inhale oxygen, so that the technical problems that the oxygen inhaler can be used only after being assembled, the hose is easily touched by mistake and falls off, and the oxygen inhalation of the patient is influenced are solved.

The invention discloses a multifunctional intelligent stomach tube, and belongs to the field of medical instruments, the multifunctional intelligent stomach tube comprises an outer tube mechanism, the outer tube mechanism comprises a stomach tube body and a rubber head, one end of the inner wall of the stomach tube body is provided with a slidable medicine feeding mechanism, and one end of the inner wall of the stomach tube body is slidably connected with the outer wall of a movable cylinder; a vertically-through pipe connecting through hole is formed in one end of the top of the movable cylinder, a medicine storage cavity is formed in the outer wall of the movable cylinder, a bottom cover is installed under the movable cylinder, and an illuminating lamp is installed at one end of the bottom of the bottom cover; by arranging the pushing inner pipe, the medicine feeding mechanism can be pushed, by arranging the medicine storage cavity, medical staff can place medicine powder or unground medicine in the medicine storage cavity, then the medicine is conveyed into the human body at a time through pushing of a movable cylinder, and the bottom face of the inner wall of the medicine storage cavity is arranged to be an inclined face, so that quick release of the medicine is facilitated; not only is the accuracy of medicine feeding improved, but also the situation that the medicine outlet is blocked is avoided.

The utility model relates to the technical field of X-ray flaw detection imaging plates, in particular to an X-ray flaw detection imaging plate end mechanism for a single split line. Comprising an imaging sliding frame, an imaging plate body is installed on the surface of one side of the imaging sliding frame, supports are installed on the surfaces of the two sides of the upper end of the imaging sliding frame, a cable is slidably connected to the inner wall of the imaging sliding frame, an adjusting device is arranged on the surface of the inner wall of each support, and each adjusting device comprises a fixing hook. The surface of the bottom end of the fixing hook penetrates through the inner wall of the support in a sliding mode, the section of the fixing hook is in a J shape, the upper end of the fixing hook is fixedly connected with a fixing ring, the arc face of the fixing hook is connected with a sliding plate in a sliding mode, and the bottom face of one end of the sliding plate is fixedly connected with an inserting rod. The X-ray flaw detection imaging plate end mechanism for the single split line provided by the utility model has the advantage that the whole imaging end equipment can be better protected and limited conveniently.

The utility model discloses a soil sampling device for environmental protection, and particularly relates to the technical field of environmental protection, the soil sampling device comprises a fixing mechanism, a sampling mechanism and a cleaning mechanism, the sampling mechanism comprises a mounting plate, hydraulic cylinders are arranged at the two ends of the top of one side of the mounting plate, a spiral sleeve is arranged at the bottom of the mounting plate, and the cleaning mechanism is arranged in the spiral sleeve. Three feeding ports are formed in the inner wall of the bottom of one side of the spiral sleeve, a sampling rod is installed in the spiral sleeve, a sampling port is formed in the outer wall of the bottom of one side of the sampling rod, the cleaning mechanism comprises two adjusting lead screws, and cleaning brushes are arranged on the outer sides of the adjusting lead screws. According to the soil sampling device, soil on different layers can enter the sampling port through the feeding port by virtue of the depth of the spiral sleeve, a soil sample in the sampling port can be prevented from falling off from the feeding port by virtue of the rotation of the sampling rod, and the outer wall of the spiral sleeve and the feeding port can be cleaned by virtue of the cleaning brush; and the residual soil can be prevented from influencing the soil sample in the sampling port.

The utility model discloses a vegetable seedling raising water supplementing device which comprises a supporting frame and a moving trolley, a tidying mechanism is arranged on the front face of the supporting frame, a collecting roller is rotationally connected between the opposite sides of two baffles through a left hollow shaft and a right hollow shaft, and a connecting hose is fixedly connected to the end opening, located on the inner sides of the baffles, of the left hollow shaft. The connecting hose penetrates through the collecting roller and extends to the outside of the collecting roller, the remaining part of the connecting hose is wound around the outside of the collecting roller, a round hole socket is fixedly connected to the interior of the right hollow shaft, a connecting wire is connected to the end of the round hole socket, and the connecting wire penetrates through the collecting roller and extends to the outside of the collecting roller. The utility model relates to the technical field of vegetable seedling culture. According to the vegetable seedling raising water supplementing device, when the moving trolley moves, the connecting hose and the connecting wire are wound and unwound through the arrangement mechanism, so that the problem that redundant pipelines and wires are mutually wound is solved, and the practicability of the device in use is improved.

The invention relates to the technical field of garment conveying, and discloses a garment conveying device which comprises a conveying frame and a conveying chain installed in the conveying frame, the bottom face of the conveying chain is connected with a supporting assembly, and the lower end of the supporting assembly penetrates through the inner wall of the conveying frame to the position below the conveying frame and is connected with a shielding assembly, an inner rod and a folding and unfolding assembly. The inner rod and the retracting and releasing assembly are both located in the shielding assembly, and the inner rod is further located in the retracting and releasing assembly. According to the clothes conveying device, the supporting assembly, the inner rod and the folding and unfolding assembly are arranged between the conveying chain and the U-shaped hook, clothes can be hung in front of and behind the interior of the U-shaped hook, the height of the U-shaped hook can be changed, and then the clothes can be hung more conveniently; the shielding assembly, the limiting assembly and the separating assembly are further arranged between the conveying chain and the U-shaped hook, the height of the U-shaped hook can be limited before and after the height of the U-shaped hook is changed, and the situation that the height is automatically changed is avoided.

The rapid drying device for bean product processing comprises a drying box, the front side of the drying box is movably connected with a box door through hinges, supporting rods are fixedly installed on the left side and the right side of the bottom of the drying box and the front side and the rear side of the bottom of the drying box respectively, and an L-shaped plate is fixedly installed on the left side of the drying box; fixing mechanisms are arranged on the upper side and the lower side of an inner cavity of the drying box correspondingly, each fixing mechanism comprises a containing box, the containing boxes are movably connected into the inner cavity of the drying box, driving gears are movably connected to the front sides of the bottoms of the containing boxes, and grips are fixedly installed at the bottoms of the driving gears; and the rear side of the bottom of the placing box is movably connected with a driven gear. By arranging the fixing mechanism, the bean products can be fixed, and the situation that due to the fact that fixation is not firm in the drying process, the bean products fall off, normal drying of the bean products is affected, and the drying work efficiency of the bean products is reduced is avoided.

The utility model relates to the technical field of safety belts, and specifically relates to a safety belt integral slip reliability tester comprising a support which is a main body frame structure of the utility model; the supporting plate is located on the front side of the support; the supporting rods are uniformly arranged on the periphery of the top of the supporting plate; and the rubber caps are arranged at the tops of the supporting rods. The defects in the prior art are overcome, the supporting plate is arranged on the top of the push rod, the supporting rods are arranged on the periphery of the top of the push rod, and the rubber caps are arranged on the tops of the supporting rods, so that when the push rod needs to be used for supporting the seat plate and placing a dummy, the four positions of the bottom of the seat plate can be supported through the connected supporting rods; moreover, the connection friction force can be increased through the rubber cap, the situation that the seat plate above shakes and the placement of the dummy is affected is prevented, the actual falling track of the seat plate when the seat plate falls is not affected, and the accuracy rate during testing is not affected.

The utility model relates to the technical field of motor shell machining, in particular to a motor shell clamping device. According to the technical scheme, the device comprises a supporting frame, a moving frame and a clamping mechanism, the moving frame is slidably installed on the inner side of the supporting frame, the clamping mechanism is arranged at the bottom of the moving frame, the clamping mechanism comprises a limiting frame, a moving column, a first clamping plate, a second clamping plate and a first thrust spring, the limiting frame is fixedly connected with the moving frame, and the moving column is slidably installed at the bottom of the limiting frame; first clamping plates are movably mounted at the bottoms of the moving columns, and a second clamping plate is movably connected between the first clamping plates. Through the combination of various structures, the device can enable the first clamping plate and the second clamping plate to adapt to the surface radian of a motor shell, can accurately clamp the motor shell, and is inserted among radiating fins on the surface of the motor shell through the clamping pile mechanism; and the situation that the cooling fins are inclined during clamping can be avoided, and the cooling fins are protected against damage.

The invention relates to the technical field of UV adhesives, and discloses a colored UV adhesive and a preparation method thereof.The colored UV adhesive is prepared from epoxy modified acrylate, polyurethane modified acrylate, acrylic resin, a photoinitiator, a diluent, a defoaming agent, nano color paste, a functional component and a composite additive component. The prepared colored UV adhesive has excellent mechanical properties and oxidation resistance, the colored UV adhesive is prevented from being affected by oxidation in the use process, and the service life of the colored UV adhesive is further prolonged; by adding the composite additive component, the prepared color UV adhesive has excellent flexibility and adhesive property, can be crosslinked with a color UV adhesive base material, is not easy to damage and fall off under the action of external force, can form firm and stable connection with an adhered base material, and has a wide application prospect.

The invention discloses a total heat exchanger, which belongs to the field of heat exchangers and comprises a total heat exchanger body, a heat exchange cavity is arranged in the total heat exchanger body, and a first air inlet cover and a second air outlet cover are detachably arranged on one side of the total heat exchanger body. According to the total heat exchanger, after the humidity sensor in the total heat exchanger body detects that the humidity value in the total heat exchanger body reaches the preset value, the signal can be transmitted to the driving motor, so that the output end of the driving motor outputs the signal, and the output end of the driving motor can drive the driving wheel to rotate after outputting the signal; the first scraping frame and the connecting plate can scrape off water drops on the whole heat exchange machine core in the front-back direction, part of the water drops on the heat exchange machine core can be pushed towards the edge of the heat exchange machine core while the water drops on the heat exchange machine core are scraped off, and finally the water drops fall off from the edge of the heat exchange machine core.

The embodiment of the invention provides an instrument sealing device, a surgical instrument and a surgical robot. The instrument sealing device comprises a joint seat, the joint seat is provided with a first through hole, and the first through hole is configured to allow a cable to penetrate through; the sealing piece is arranged on the side, away from the instrument head end, of the joint seat, a second through hole is formed in the sealing piece, at least part of the first through hole is communicated with the second through hole, and the hole wall of the second through hole is configured to be in close contact with the peripheral wall of the cable; and the pressing piece is pressed on the side, back on to the joint seat, of the sealing piece, the pressing piece is at least pressed on the hole edge of the second through hole, and the hardness of the pressing piece is larger than that of the sealing piece. According to the instrument sealing device, the surgical instrument and the surgical robot, the sealing performance of the surgical instrument can be improved, pneumoperitoneum failure is prevented, the problem that the instrument control precision is reduced due to cable looseness caused by long-time use can be solved, and the surgical safety and the operation precision can be improved.

The utility model relates to the technical field of electrical accessories, in particular to a multi-interface connecting device. According to the technical scheme, the device comprises a junction box, a movable arm and a wire holder, a wiring groove is formed in the inner side of the junction box, the wire holder is fixedly installed in the wiring groove, a placement groove is formed in the top of the wire holder, the movable arm is movably installed in the wiring groove in the top of the wire holder, a sleeve is fixedly installed at the bottom of the movable arm, and a movable seat is slidably installed at the bottom of the sleeve; and a wire pressing seat corresponding to the placing groove is fixedly mounted at the bottom of the movable seat. According to the utility model, through combination of various structures, the device can quickly press and fix a battery cell of a cable, the installation speed of the cable is improved, no bolt is needed for fixation, the operation difficulty is reduced, the battery cell is pressed into the wire pressing groove by using the wire pressing block, the battery cell is not easy to slide in the placing groove, and the installation efficiency of the cable is improved. And the anti-pulling effect can be achieved, and the falling-off situation can be effectively avoided.

The utility model discloses an engineering material tension detection device which comprises a tension detection device. One side of the top end of the tension detection equipment is slidably connected with a sliding frame, the middle of the upper end of the sliding frame is rotatably connected with a two-way screw rod, and the outer side of the two-way screw rod is in threaded connection with a threaded block; wherein one end of the threaded block is rotationally connected with a clamping rod, the middle of one side of the clamping rod is fixedly connected with a guiding inclined block, one side of the guiding inclined block is slidably connected with a pushing inclined block, and a positioning screw rod is inserted into the middle of the pushing inclined block; wherein one side of the positioning screw rod is in lap joint with a connecting screw rod, the outer side of the connecting screw rod is in threaded connection with a connecting nut, one end of the connecting screw rod is fixedly connected with a threaded cylinder, one end of the threaded cylinder is fixedly connected with a connecting block, and a clamping sleeve is arranged on the outer side of the threaded cylinder, so that the clamping force on a deformed detection material is enhanced conveniently; and the situation that the detected material falls off is prevented, and the requirements of tension detection of materials of different specifications are met conveniently.

The utility model discloses a buffering guide rail support and an elevator, the buffering guide rail support comprises a first support and a guide rail, the first support and the guide rail are connected with a shaft wall or a shaft middle steel beam, and a second support is connected with the guide rail through a buffering mechanism. The transverse force of the first rubber flat plate and the second rubber flat plate is borne by the cylinder rubber, so that the situation that the vulcanization bonding position of the first rubber flat plate and the second rubber flat plate frequently bears reciprocating force and consequently a vulcanization bonding layer falls off is prevented, and the overall safety of the buffer guide rail support structure is guaranteed; through the buffering mechanism, on the premise that the vibration buffering and blocking performance of the buffering guide rail support on the guide rail is guaranteed, the supporting capacity of the guide rail in all directions is reserved, on the premise that the operation comfort of a lift car is guaranteed, guide rail vibration can be isolated from being conducted to the wall of a shaft, and the influence of vibration generated by high-speed operation of an elevator on a room adjacent to the shaft is weakened.

The utility model relates to the technical field of high-sound-pressure-level intense-sound double-diaphragm transducers, and discloses a high-sound-pressure-level intense-sound double-diaphragm transducer, which comprises a transducer and is characterized in that a control assembly is arranged, a protection plate is in contact with the surface of a diaphragm, and the protection plate shields the diaphragm, so that the high-sound-pressure-level intense-sound double-diaphragm transducer is formed. A supporting rod fixed to the surface of the transverse plate abuts against the surface of the transducer, a pressing rod is pressed, a supporting plate fixed to the surface of the pressing rod slides under supporting of a first spring, a protruding block slides in a heart-shaped groove, and a movable rod fixed to the surface of the protruding block is turned over on the surface of the transverse block. A sliding rod fixed on the surface of a supporting plate drives a clamping rod to move out of a fixing frame under the supporting of a second spring, the clamping rod is clamped into a through hole in the supporting rod, a protruding block moves to a notch from a sharp opening of a heart-shaped groove to be fixed, a protection plate can stably protect the vibrating diaphragm, and the situation that dust enters the vibrating diaphragm when the vibrating diaphragm is not used, and transmission and vibration of sound waves are affected is avoided.

The utility model discloses an environment-friendly inductor capable of preventing short circuit, which comprises an upper-layer nickel core magnetic seat and a lower-layer nickel core magnetic seat, and a winding post used for winding a coil is arranged between the upper-layer nickel core magnetic seat and the lower-layer nickel core magnetic seat. Detachable mounting structures for dismounting and positioning are arranged between the wrapping post and the upper-layer nickel core magnetic seat as well as between the wrapping post and the lower-layer nickel core magnetic seat; and grooves for clamping and limiting are symmetrically formed in the upper end surface of the upper-layer nickel core magnetic seat. According to the environment-friendly inductor capable of preventing the short circuit, the iron terminal is used as an electrode of a power type inductor, meanwhile, the production process is compressed, a butterfly-shaped iron terminal structure which is approximately equal to one third of the area of a traditional electrode is used for replacing two original electrode faces, and the silver plating, nickel plating and tin plating processes of the end face of the magnetic base are removed. And 60% of the production process is compressed, 85% of metal and chemical auxiliary materials are saved, the use is more environment-friendly, disassembly and assembly are convenient, maintenance and replacement are easy, and the cost is saved.

The utility model discloses a PCB laser windowing and drilling device, which relates to the technical field of PCB processing, and comprises a workbench, the upper surface of the workbench is fixedly connected with a surrounding frame, a positioning mechanism is arranged above the workbench, the positioning mechanism comprises two marking grooves fixedly connected to the upper surface of the workbench, and the two marking grooves are fixedly connected with the surrounding frame. The inner wall of each marking groove is in threaded connection with a threaded rod, the ends, close to each other, of the two threaded rods are rotationally sleeved with positioning plates, and a dust suction mechanism is arranged in the surrounding frame. According to the laser windowing and drilling device, a PCB can be rapidly positioned to a marked position through the positioning mechanism, subsequent laser windowing and drilling work on the PCB is facilitated, dust generated at a machining position can be sucked in time through the laser windowing and drilling mechanism and the dust suction mechanism when the laser windowing and drilling device conducts laser windowing and drilling on the PCB, and the working efficiency is improved. The influence of dust on the PCB is reduced, and the processing quality of the device is improved.

The utility model relates to the technical field of tooth groove finish machining, and discloses a crankshaft gear tooth groove finish machining device which comprises a workbench, a motor is fixedly installed at the bottom of the workbench, a rotating shaft is fixedly installed at the output end of the motor, and a limiting plate is fixedly installed on the surface of the rotating shaft. A buckle is fixedly installed above the rotating shaft, and a gear is connected to the bottom of the buckle in a clamped mode. According to the gear machining device, the buckle is fixedly installed above the rotating shaft, meanwhile, the limiting plate is fixedly installed on the surface of the rotating shaft, when a gear needs to be machined, the gear is placed on the buckle and pressed downwards, the gear falls into the surface of the limiting plate, and then the surface of the gear is clamped by the bottom of the buckle; and therefore, the gear can be effectively prevented from falling off in the machining process, and the gear can be conveniently mounted and dismounted.

The utility model discloses a tensile strength detection device for clothing cloth, which comprises a box body, the inside of the box body is fixedly connected with the outer side of a partition plate, a motor is fixedly mounted in the box body, the output end of the motor is fixedly connected with one end of a screw rod, the side surface of the partition plate is fixedly connected with a guide rod, and a movable plate is arranged on the outer side of the guide rod. The upper surface of the moving plate is fixedly connected with a T-shaped plate, the top of the T-shaped plate is fixedly connected with a supporting frame, and the supporting frame is rotationally connected with one end of a rotating shaft. Through the rotating plate, the fixing plate, the threaded rod, the pressing plate, the worm gear, the lug plate and the worm, the fixing stability of the two ends of cloth is improved, the fixing difficulty of operators is reduced, the overall detection efficiency is improved, the tensile strength is detected through the connecting rod, the sealing piston, the oil storage sleeve, the oil inlet pipe, the detection cylinder, the oil outlet pipe and the pressure detector, and the detection precision is improved. The accuracy and reliability of tensile strength detection are improved, and the applicability of the detection device is enhanced.

The utility model relates to a cutting machine for multi-angle cutting, which comprises a rail transport seat, a portal frame and two lifting cutting devices, the rail transport seat is arranged below the portal frame, and two screw rod driving components are mounted on the portal frame. According to the cutting machine capable of conducting multi-angle cutting, when cutting is conducted, the lead screw driving assembly horizontally drives the lifting cutting device to adjust the position, the rotating base can drive the whole lifting cutting device to swing to adjust the angle, and lifting cutting is conducted through the lifting cutting device; according to the stone cutting device, the cutting angle is changed, so that diversified cutting requirements are met, a rotating plate can drive stone to rotate on a moving seat, the angle of the stone is changed, a stone feeding assembly is mounted on the rotating plate, and during feeding, the stone feeding assembly moves along a mounting groove to be placed on the ground, so that the stone is conveniently fed. And then the stone is placed on the stone feeding assembly and is automatically fed through the stone feeding assembly, and automatic feeding is achieved.

This utility model specifically relates to a child safety seat, which includes a body assembly comprising a main body and an outer shell. The outer shell includes a rear cover and a bottom cover. The rear cover is disposed on the main body and located at the rear of the main body. A first limiting edge and a second limiting edge are provided at the bottom end of the rear cover, forming a limiting groove between the first and second limiting edges. The bottom cover is disposed on the main body and connected to the rear cover. A third limiting edge and a fourth limiting edge are provided at the end of the bottom cover facing the rear cover. The third limiting edge is adapted to be inserted into the limiting groove, and a slot for accommodating the first limiting edge is formed between the third and fourth limiting edges. In this child safety seat, after the rear cover is installed, the third limiting edge is inserted into the limiting groove, and the first limiting edge is inserted into the slot. This effectively limits and fixes the rear cover, preventing it from detaching during drop tests and helping to solve the problem of existing child safety seats where the rear cover easily detaches due to impact.

The invention discloses a quick locking device for a modular welding cutter and a using method thereof, and relates to the technical field of machine tool cutters, the quick locking device comprises a connector, the interior of the connector is detachably connected with a cutter body, the connector is provided with a control system, and the control system is used for locking or loosening the cutter body in the connector. The control system further comprises the function of monitoring the use condition and the abrasion condition of the tool through the sensing technology. The control system is used for monitoring the use condition of the tool bit after connection, and when it is monitored that the tool bit is partially abraded, the connecting plate is driven to move downwards, and the extending diameter of each hard alloy base body is adjusted till the tool bit can be located in the grinding device; the grinding device can grind the abraded tool bit so that the service life of the tool bit can be prolonged, the subsequent machining quality can be improved, the tool can be maintained under the condition that the tool bit is not disassembled, and the functionality and practicability of the locking device can be improved to a certain extent.

The invention relates to the technical field of electric baby carriages, and discloses an electric baby carriage steering wheel quick-release mounting structure which comprises a steering wheel, a sleeve rod is fixedly connected to the bottom of the steering wheel, an insertion rod is inserted into the inner wall of the sleeve rod, a sliding rod is fixedly connected to the bottom of the insertion rod, a steering rod is fixedly connected to the bottom of the sliding rod, and a positioning groove is formed in the sliding rod. A positioning hole is formed in the surface of the sliding rod, a cylindrical hole is formed in the inserting rod, a sliding hole is formed in the surface of the inserting rod, and a cross groove is formed in the bottom of the inserting rod. When the steering wheel needs to be mounted, the surface of the insertion rod is directly sleeved with the sleeve rod, the insertion part in the sleeve rod can be inserted into the cross-shaped groove, the sleeve rod is limited through connection of the cross-shaped groove and the insertion part, and therefore when the steering wheel twists and the sleeve rod rotates, the sleeve rod can be inserted into the cross-shaped groove; and the sleeve rod can twist the insertion rod and the steering rod to rotate through the connection of the insertion part and the cross groove, so that the direction of the electric baby carriage is controlled, and the convenience of the steering wheel during installation is improved.

The present invention discloses a height-adjustable self-propelled loading and unloading device and a loading and unloading method thereof. The device includes a frame, a main roller platform, a telescopic suction cup unit, an auxiliary roller platform, and a vertical displacement unit; the telescopic suction cup unit includes a telescopic assembly and a suction cup assembly; the vertical displacement unit is located on the frame; the main roller platform and the telescopic suction cup unit are located on the same side of the vertical displacement unit; the auxiliary roller platform is installed on the frame through a lifting mechanism; the main roller platform and the auxiliary roller platform can form a conveyor line. When unloading, the telescopic assembly pushes the suction cup assembly to absorb the goods, pulls them to the main roller platform, and transports them to the auxiliary roller platform; when loading, the goods are transported from the auxiliary roller platform to the main roller platform, and the telescopic assembly pushes the suction cup assembly to contact the goods and pushes them to the loading platform. The present invention occupies a small space and has high flexibility, especially being able to load or unload a whole row of multiple goods at the same time, and each platform and unit operates independently, which improves the loading and unloading efficiency and ensures the safety during loading and unloading.