15results about How to "Precise motion trajectory" patented technology

This utility model relates to the field of lifting equipment technology, specifically disclosing a lifting device with a chain transmission mechanism. The inner walls of the frame are vertically provided with guide rail grooves. Upper and lower rotating shafts are rotatably installed between the top and bottom walls of the frame, with upper and lower sprockets fixedly fitted near their respective ends. The lifting platform includes a lifting frame, guide wheels rotatably installed on the top and bottom of the two side walls of the lifting frame and rolling along the guide rail grooves, adjusting pulleys slidably engaged with the top and bottom ends of the two side walls of the lifting frame in a horizontal direction, and tensioning screws for adjusting the horizontal position of the adjusting pulleys. The outer end of the adjusting pulleys is provided with rollers that roll vertically along the inner wall of the guide rail groove. Chains are connected between the top and bottom ends of the two side walls of the lifting frame, with the top and bottom of the chains passing over the upper and lower sprockets respectively. A power component for driving the upper rotating shaft is provided at the top of the frame. This design effectively solves the problems of unstable movement and inconvenient leveling of the lifting platform in lifting equipment.

This utility model belongs to the field of battery loading and unloading transportation technology, and discloses an auxiliary replacement platform for battery packs in energy storage power stations. The platform is mounted on a forklift with a certain load-bearing capacity. The front end of the forklift has a lifting function, enabling it to transport the replacement platform to a suitable position for loading and unloading. The platform has an auxiliary pushing device for battery packs, a platform height adjustment device, and a clamping device to ensure safe transport of battery packs. This platform has significant advantages such as automatic control, solving the problem of inconvenience in using traditional battery disassembly and assembly devices.

The application discloses a single crystal silicon wafer processing clamp, and relates to the technical field of single crystal silicon processing, which comprises a mounting ring, a driving gear ring, a primary clamp assembly, a guide, a secondary clamp assembly and a driving unit. The mounting ring serves as a bearing base, the top of the mounting ring is provided with the driving gear ring, the inner ring is provided with the primary clamp assembly, the outer wall is fixedly connected with the guide, the guide is internally provided with the secondary clamp assembly, and the driving unit is internally provided with a built-in driving unit which is connected with the two-stage clamp through the mounting ring. For different thicknesses of silicon wafers, thin silicon wafers are clamped by the silicon wafer clamping plate through the driving motor one and the driving gear ring and the inclined push head; thick silicon wafers are clamped by the silicon wafer clamping arm after being centered by the driving motor two and the driving ring and the centering arm, and are clamped by the silicon wafer clamping arm. The clamp integrates the grading clamping and the precise guide structure, has the protection design, is high in adaptability, accurate in clamping, can avoid damage to the silicon wafer, is suitable for automatic processing, and improves the processing efficiency and the qualified rate.

This utility model discloses a mechanical extension structure for a sofa, including a base, a drive unit, two bases for mounting the seat cushion structure, and extension units respectively mounted on the two bases. The extension unit includes a leg assembly, a swing mechanism, and a backrest assembly. The swing mechanism includes a front support rod, a middle connecting rod, a rear support rod, a front swing rod assembly, a connecting rod assembly, and a rear swing rod assembly. One end of the front support rod and one end of the rear support rod are respectively hinged to the middle connecting rod, and the other end of the front support rod and the other end of the rear support rod are respectively hinged to the base. The middle connecting rods of the two swing mechanisms are connected by a synchronizing rod. The front swing rod assembly includes a front main swing rod with one end hinged to the base and a front auxiliary swing rod with one end hinged to the middle connecting rod. The front main swing rod and the front auxiliary swing rod are hinged together. The rear swing rod assembly includes a rear main swing rod with one end hinged to the base and a rear auxiliary swing rod with one end hinged to the middle connecting rod. The rear main swing rod and the rear auxiliary swing rod are hinged together. The front swing rod assembly is connected to the rear swing rod assembly through the connecting rod assembly.

This utility model discloses a reducer device for emulsion drilling rigs, including a first mounting shell, a second mounting shell disposed on the first mounting shell, and fixing bolts disposed between the first and second mounting shells. It enables rapid fixing and disassembly of the reducer body without disassembling numerous related components, significantly simplifying the replacement process, shortening downtime, and reducing the impact on construction progress. In terms of maintenance, the ease of assembly and disassembly reduces reliance on confined operating spaces and the risk of secondary damage due to improper operation. Regarding costs, it reduces labor hours and labor costs; reduces wear and tear on surrounding components from repeated disassembly, lowering the probability of unplanned replacements; and eliminates the need to stock complete units, reducing inventory costs. Furthermore, the flexible fixing method facilitates adaptation to equipment upgrade needs without requiring modification or replacement of the entire machine, further reducing costs, making it particularly suitable for scenarios such as underground mining.

The utility model discloses a textile color fastness testing arrangement relates to color fastness testing arrangement technical field, and its technical scheme is: including frame component, be equipped with test drive assembly in frame component, test drive assembly top is equipped with test movable assembly, frame component top is equipped with test pressure assembly, and the beneficial effect of a kind of textile color fastness testing arrangement is: through electric push rod in test pressure assembly provides controllable driving force, cooperate pressure sensor and pressure display to realize the real -time monitoring and accurate adjustment of friction pressure, replace traditional pressure plate deadweight pressure mode, effectively avoid the pressure fluctuation caused by mechanical vibration, sample surface unevenness etc., ensure that actual friction pressure is consistent with preset value, greatly improve the accuracy and repeatability of test result, simultaneously, operator can adjust pressure value according to different textile types quickly, need not to replace pressure plate, and operation efficiency is significantly improved.

The utility model discloses a kind of electric push rod load life testing devices, comprising: rack;Fixed seat is located in the lower part of the rack, for fixing the electric push rod to be measured;At least two horizontal parallel arrangements of sliding load, sequentially arranged in the vertical direction above the electric push rod to be measured;The lowermost sliding load is connected with the output end of the electric push rod to be measured;Guiding mechanism, vertically arranged on the rack, for guiding the sliding load along vertical direction sliding;Barrier, located on the rack or guiding mechanism, for abutting below each layer of sliding load to maintain the spacing between layers;Wherein, the electric push rod to be measured pushes the lowermost sliding load to move up and sequentially triggers the sliding load linkage of adjacent upper layer, forms load stepwise increasing.The utility model has the advantages that: the stepwise increasing of load is realized, the dynamic scene of load layer-by-layer superposition in actual working condition can be simulated, and test result is closer to real application.

The invention provides a cleaning head and cleaning equipment, and relates to the technical field of cleaning equipment. The cleaning head comprises a first shell, a second shell and a scraping strip assembly, the second shell wraps part of the first shell and defines a containing cavity, and a rolling brush groove protruding towards the containing cavity is formed in the side, away from the second shell, of the first shell to contain the cleaning unit; the scraping strip assembly comprises a transmission mechanism and a scraping strip body which are connected, the scraping strip body is partially located outside the containing cavity and used for scraping the operation surface, and the transmission mechanism is used for driving the scraping strip body to be switched between the extending state and the retracting state. At least the part, attached to the inner wall of the rolling brush groove, of the transmission mechanism is of an elastic sheet structure, and the elastic sheet structure enables the scraping strip body to be attached to the inner wall of the rolling brush groove in two states through elastic deformation of the elastic sheet structure, so that the space utilization rate of the containing cavity is increased, miniaturization of the cleaning head is facilitated, and the attaching precision and switching smoothness of the scraping strip are improved; meanwhile, part abrasion is reduced, and the service life and reliability of cleaning equipment are prolonged.

The utility model relates to robot technical field discloses a four -axis robot point gum single machine, including work table, the left side bottom fixed connection of work table has mounting plate no.

The utility model relates to a ton bag convenient to turn over materials, in particular to the technical field of labor and material property transportation, which is provided with foldable supporting foot columns, guide limiting rings, crossed reinforcing rib plates and the like and connected through rotary hinges between the foldable supporting foot columns and a rigid supporting frame. The foldable supporting foot columns can form stable included angles with the ground when being unfolded through the linkage inhaul cable assembly and the limiting and guiding effects of the guiding limiting rings on the linkage inhaul cable assembly, stable supporting is provided for the ton bag, and meanwhile the guiding limiting rings ensure that the motion trail of the linkage inhaul cable assembly is accurate. The crossed reinforcing rib plates in the rigid supporting frame form a #-shaped bearing structure, so that the overall rigidity is enhanced. The movable discharging bottom plate is made of polyurethane reinforced fabric composite materials and provided with anti-sliding protruding lines, durability and material bearing stability are improved, and then the effects that the device can achieve stable supporting and precise linkage and safely and efficiently complete material overturning and bearing are achieved.

This utility model relates to the field of fire sprinklers, specifically a fire sprinkler head, including a receiving cavity and a closed cavity. The receiving cavity is vertically connected, and the closed cavity is fixedly disposed at the bottom opening of the receiving cavity to close the bottom of the receiving cavity. A movable frame is slidably disposed in the middle of the closed cavity, and a sealing plate with the same shape as the opening of the closed cavity is fixed at the bottom of the movable frame. The sealing plate can move with the movable frame to close the bottom of the closed cavity. The bottom of the closed cavity has multiple arc-shaped grooves with openings facing the center of the closed cavity and spiraling upward. Multiple adjusting blocks adapted to the shape of the bottom opening of the arc-shaped groove are fixed on the outside of the sealing plate. The beneficial effect is that by pushing the bottom sealing plate into the closed cavity, the adjusting blocks simultaneously enter the arc-shaped groove and slide along a spiral upward trajectory guided by the groove wall. After the pushing force disappears, the adjusting blocks slide in the opposite direction along the arc-shaped groove and lock into the locking groove. The sealing plate then descends to a preset position to close the bottom of the receiving cavity, realizing convenient shutdown of the fire sprinkler head after accidental triggering.

The utility model discloses a water cooling device for a rigid polyvinyl chloride cable pipe, and relates to the technical field of cable pipes. The device comprises a workbench, a water tank is formed in the top of the workbench, a fixing plate is fixedly connected to the top of the workbench, a placement hole is formed in the outer side of the fixing plate, a water pump is fixedly connected to the top of the fixing plate, the water outlet end of the water pump penetrates through the fixing plate and is fixedly connected with a splitter plate, and the splitter plate communicates with the water outlet end of the water pump; a water inlet end of the water pump is fixedly connected with a water pipe, one end, far away from the water pump, of the water pipe is communicated with the water tank, a filtering mechanism is arranged between the water pipe and the workbench, a plurality of through holes are formed in the outer side of a filtering frame, and cooling water can fully pass through the through holes; impurities in water are effectively intercepted.

The utility model provides a valve locking device, which belongs to the technical field of valves and comprises a valve body and a rotatable handle at the top of the valve body, one end of the handle is provided with a valve body limiting bump, the top of the valve body is provided with a closing limiting block and an opening limiting block corresponding to the valve body limiting bump, and one side of the valve body limiting bump is provided with a locking component; the locking assembly comprises a locking rod, a mounting groove is formed in one side of the limiting protruding block of the valve body, the locking rod is arranged in the mounting groove in a sliding mode, limiting plates are arranged on the adjacent sides of the closing limiting block and the opening limiting block, locking holes are formed in the positions, corresponding to the locking rod, of the tops of the limiting plates, and the bottom end of the locking rod is arranged in one set of locking holes in a penetrating mode. The handle is locked through the locking device; compared with a traditional external lock chain or padlock, the built-in locking structure directly acts on a valve operation part, the loosening risk caused by vibration, collision or manual mistaken touch is avoided, it is ensured that the valve is kept in a stable state in the scene needing to be normally opened or normally closed, and stability is improved.

This utility model relates to the field of curling irons, and more particularly to an adjustment device for an adjustable curling iron, including an adjustment part comprising a rotating paddle, a first gear and a second gear, and a driven gear; and a rotating part comprising a positioning plastic, heating wires, a drive shaft, and a support shaft. This utility model achieves high precision and stability in adjusting the curling area of ​​the curling iron through precise gear transmission and axial limiting design. The rotating paddle, through meshing with the first and second gears, can precisely control the rotation angle of the driven gear, thereby driving the coordinated movement of the drive shaft. The first limiting protrusion passes through the first limiting groove and the moving groove, ensuring the movement of the positioning plastic with the heating wire attached when the drive shaft operates, ensuring precise positioning and smooth movement of the rotating parts, effectively preventing the curling iron from shaking and loosening during use, and allowing for arbitrary adjustment of the size of the curling area formed by each heating wire, improving the accuracy of the curling iron and the user experience.