16results about How to "Avoid stuck phenomenon" patented technology

This utility model relates to the field of cast iron pot mold technology and discloses a multi-temperature zone circulating preheating heating device for cast iron pot molds. It includes a base, with support columns symmetrically fixedly connected to the top of the base in all directions. A fixed seat is fixedly connected to the top of each of the four support columns. A pressing and heating mechanism is provided on the top of the base. Multi-temperature zone differentiated heating is achieved through a combination of an electromagnetic induction coil and an infrared radiation heating tube. The electromagnetic induction coil is arranged between the bottom of the lower mold base and the inner mold, using the principle of electromagnetic induction to rapidly heat the bottom of the mold, suitable for efficient heating of thick-walled parts of the cast iron pot mold. The infrared radiation heating tube is located between the lower mold base and the inner mold, above the heat insulation ring, and can uniformly radiate heat to the sidewalls of the mold. The combined effect of these two methods significantly shortens the preheating time compared to traditional single heating methods, while simultaneously meeting the temperature requirements of different parts of the mold, effectively improving production efficiency.

The present application relates to the technical field of shield switch structure, and discloses a shield automatic switch structure and processing equipment, the shield automatic switch structure includes beam assembly, first drive mechanism, telescopic shield assembly and support connecting mechanism. When the shield automatic switch structure is used, the support connecting mechanism is arranged on the second side of the telescopic shield assembly, the support connecting mechanism occupies small floor space, and is convenient to arrange; the support connecting mechanism has small stroke and occupies small floor space; when the telescopic shield assembly is closed, the second side of the telescopic shield assembly is first connected and fixed on the first fixed support through the support connecting mechanism; when the telescopic shield assembly needs to be opened, the support connecting mechanism is disconnected from the first fixed support, the first drive mechanism drives the telescopic shield assembly to move away from the outer protection component, which can effectively prevent the telescopic shield assembly from being stuck during opening and closing, thereby effectively reducing the failure rate of the equipment, improving production efficiency and maintenance cost.

This utility model discloses a waterproof and dustproof high-pressure safety valve for gas, including a housing, a guide seat, a valve, a filter assembly, and a valve seat. The housing has an inlet at its lower end and an outlet along its circumference. This structure adopts a bottom-in, side-out approach, with multiple outlets to improve exhaust efficiency. The guide seat and valve are located inside the housing, with the guide seat slidably connected to the inner wall of the housing. The valve seat is located at the lower end of the housing, with the upper end of the valve corresponding to the lower end of the guide seat. The valve and valve seat slide in contact, and the lower end of the valve corresponds to the flow channel of the valve seat. An exhaust chamber is located inside the housing, connected to the outlet along the circumference of the housing. An elastic sealing ring is provided on the inner wall of the exhaust chamber. Through optimized structural design and sealing performance, this valve solves the problems of leakage and jamming that may occur with traditional safety valves in special environments, improving safety and service life, and providing a guarantee for the long-term stable operation of industrial equipment.

This invention belongs to the field of automated assembly and provides a double-sided tube insertion machine, including a frame, an assembly mechanism, a material transfer mechanism, a guiding mechanism, a pressing mechanism, a flipping mechanism, and a transposition mechanism. Compared with the prior art, the advantages of this invention are that the coordinated cooperation of the limiting block and the anti-detachment block ensures that multiple plugs arranged in an array are accurately and stably filled into the feeding channel, and improves the smoothness and orderliness of plug conveying. In addition, the design of the fixed guide wheel group and the moving guide wheel group not only provides stable guidance during insertion, but also allows the moving guide wheel group to move away from the fixed guide wheel group along the inclined direction, cleverly releasing the constraint force after the steel pipe is inserted into place, effectively avoiding the jamming phenomenon caused by excessive constraint force during steel pipe insertion, ensuring assembly quality and assembly smoothness, improving the smoothness and accuracy of steel pipe insertion into the assembly hole, and enabling the pallet to complete the flipping and position adjustment required for double-sided assembly without manual intervention.

This utility model discloses a handle lifting and conveying device, including a servo motor and a linear motor. A rotating plate is fixed to the top output shaft of the servo motor. Several limiting devices are equidistantly arranged on the top of the rotating plate. Each limiting device includes at least two limiting rods vertically fixed to the top of the rotating plate. A rotating cylinder is fixed to the drive end of the linear motor, and a lifting plate pointing towards the limiting devices is fixed to the rotating end of the rotating cylinder. Compared to existing technologies, the limiting devices of this utility model allow handles to be positioned around the device, ensuring neat stacking. The linear motor drives the handles upward via the lifting plate, and the distance the linear motor moves the lifting plate upward each time is equal to the height of the handle. Therefore, handles located around the limiting devices can be sequentially lifted to the desired gripping height, achieving automatic handle lifting.

The embodiment of the present disclosure provides a detachable drop-type lightning arrester, which comprises a lightning arrester pipe, a base, a connecting rod, a spring reset device and a limiting ring, wherein the lightning arrester pipe is connected with the base through threads; the connecting rod is fixed on the base; the spring reset device is arranged on the top of the connecting rod, wherein the spring reset device comprises an anti-deviation guide hole structure, a plurality of guide protrusions are arranged in the anti-deviation guide hole structure, and the plurality of guide protrusions are uniformly distributed on the inner wall of the anti-deviation guide hole structure; the spring reset device comprises a spring with a smooth plating layer; the spring reset device comprises a self-lubricating bushing to avoid the jamming phenomenon, the self-lubricating bushing is of a segmented structure and is provided with an elastic buckle; and the limiting ring is installed outside the spring reset device and is used for limiting a drop stroke. Through the scheme of the embodiment of the present disclosure, the jamming probability can be reduced.

The utility model relates to the technical field of plastic processing equipment discloses a lengthened double -cylinder synchronous lifting blister platform, including support platform, the inside surface fixed connection of support platform has the positioning board, the bottom fixed connection of positioning board has the cylinder, the top fixed connection of cylinder has the workstation, the bottom of workstation is provided with the synchronous mechanism, the synchronous mechanism includes the fixed column of fixed connection in the workstation bottom, the bottom of workstation is provided with dustproof component, and the front of workstation is provided with fixed component. In the utility model, the motor drive rotating shaft drives both sides gear synchronous rotation, passes through the meshing transmission with the rack, promotes the workstation steady lift, effectively guarantees two groups of cylinder synchronous operation, this not only avoided the platform jamming phenomenon because of cylinder asynchronization, improved the stability of equipment operation, also ensured the continuity and reliability of working process, promoted production efficiency.

This invention discloses a composite impact-driven drilling tool, belonging to the field of oil and gas drilling technology. Addressing the problems of poor tool adaptability and asynchronous impact and reversing in existing technologies, this invention proposes a quantitative design method based on the fluid-structure interaction coefficient. The tool's actuating valve assembly includes a coaxially nested inner sleeve and a reversing valve, controlling fluid flow direction through a distribution structure. This invention defines the coupling coefficient between the geometric parameters of the reversing valve and the hydrodynamic parameters. This coefficient is jointly determined by the circumferential impact torque, reversing rotation angle, drilling fluid discharge rate, nozzle pressure drop, and the equivalent hydraulic diameter of the reversing valve, and is controlled within a specific preset range. Through the above quantitative design, the inverse relationship between the reversing angle and the discharge rate is forcibly constrained, achieving efficient synchronization of impact and reversing across the entire discharge range, effectively solving the problems of "idling" or "jamming," and significantly improving rock-breaking efficiency.

This utility model discloses a molding machine for producing antistatic bottles, including a molding shell. A rear mold is provided at the upper front end of the molding shell, and a front mold is installed at the front end of the rear mold. Two blow molding heads are installed at the upper end of the molding shell, and the blow molding heads are installed in conjunction with the rear mold and the front mold. It also includes a feeding mechanism. The feeding mechanism includes an arc-shaped groove, an inner cavity, a telescopic column, a spring, and a feeding seat. The inner cavities are respectively opened in the middle of the rear mold and the front mold. An arc-shaped groove is opened in the middle of the cavity of the rear mold and the front mold. The arc-shaped groove is connected to the adjacent inner cavity. The left and right ends of the two inner cavities away from the wall are provided with feeding seats through the telescopic column and spring distributed by HDPE bottles. This molding machine for producing antistatic bottles can automatically squeeze and feed HDPE bottles in the mold cavities of the two blow molding molds simultaneously through the transmission element and the spring compression and reset force, avoiding the phenomenon of HDPE bottle feeding jamming in the mold blow molding cavity.

The utility model discloses a high pressure sand prevention hydraulic anchor for fracturing relates to hydraulic anchor technical field, the utility model discloses, including the anchor body, the surface of anchor body is opened with several groups of ladder hole, and the surface of anchor body and the opposite place of ladder hole is equipped with the mounting groove, the anchor claw is movably inserted in the ladder hole, the utility model discloses, through the sand prevention filter assembly of the slot in this anchor claw surface setting, can block the sand particle and enter the clearance between anchor claw and ladder hole, and then avoid the anchor claw to appear the jamming phenomenon when moving in the ladder hole, the anchor plate of mounting groove through screw fixed, anchor claw and anchor plate are movably inserted, and the spring between both can provide elastic force, so that when anchor claw can be withdrawn when no pressure or pressure reduces, realizes the anchor, and the rubber washer can enhance the sealing between anchor claw and ladder hole, guarantee the stability and reliability of anchoring, make the hydraulic anchor can effectively anchor the pipe column under the high pressure fracturing environment, prevent its displacement.

This invention discloses a device and method for simultaneously detecting the straightness and contour of an arc panel on an automotive brake shoe. The device includes a support platform, a first positioning component and a second positioning component mounted on the support platform, and a rotating detection mechanism mounted on the support platform. The connecting grooves at both ends of the brake shoe to be tested are positioned by the first and second positioning components, respectively. After positioning, the theoretical arc center axis of the brake shoe to be tested coincides with the rotation axis of the rotating detection mechanism. The axial straightness and surface curvature of the outer surface of the positioned brake shoe arc panel are simultaneously detected by rotating the rotating detection mechanism. This invention solves the problem in the prior art of being unable to quickly and accurately detect the straightness and contour of the brake shoe after welding deformation, enabling rapid acquisition of error values, ensuring subsequent riveting quality, and improving the performance and safety of brake pads.

The application relates to the technical field of tungsten ore exploration, and discloses a geological tungsten ore exploration device and an exploration method thereof, which comprises an aircraft body, a control box, a detector and an exploration mechanism. The exploration mechanism comprises a disc and a sleeve, the disc is fixedly installed at the top of the aircraft body, the disc surface is rotationally connected with a rotating shaft, the rotating shaft is rotationally connected with a mounting ring, the mounting ring is rotationally installed on the surface of the control box through a fixing shaft, and the surface edge of the mounting ring is rotationally connected with a gear ring through a connecting rod I. The gear I and the inner wall of the gear ring are meshed and rotated in the same direction to drive the moving rod and the detector to extend to the outside of the mounting ring, so that the detector always maintains a detection distance from the top of the mine wall when the aircraft body is lowered, the detection effect and the accuracy of the detection data are guaranteed, large errors are avoided, the rotating wheel I is rotated when being in contact with the obstacle, friction with the mine wall is reduced, and the rotating wheel I is prevented from being stuck in the mine wall during flight.

The utility model relates to a rotor for water pump, rotor is supported on the shielded bushing of water pump, include: rotating shaft, impeller, coaxial fixed on rotating shaft, magnet steel, coaxial fixed on rotating shaft, and extend into the shielded bushing, end cap support, through bearing coaxial installation on rotating shaft, and be located between impeller and magnet steel, rotating shaft one end passes through bearing coaxial installation on shielded bushing, realize rotating shaft one end on the support of shielded bushing, end cap support coaxial installation on the end face of shielded bushing opening end, realize rotating shaft other end on the support of shielded bushing, because impeller, magnet steel all coaxial fixed on rotating shaft, the stability of impeller in the rotation process only receives the influence of rotating shaft assembly stability, has better stability.

The utility model relates to the field of oil and natural gas drilling technology, especially relate to a walking device for oil drilling iron roughneck. Walking device includes walking frame, drive mechanism and walking mechanism, can install iron roughneck on walking frame, and iron roughneck is installed in the front end of walking frame through connecting piece. Through the rolling contact of the rolling surface of first gyro wheel unit and the inner side lower surface of guide rail, the rolling surface in second gyro wheel unit and the inner side upper surface of guide rail rolling contact, can effectively balance the forward torque generated by iron roughneck, ensure that walking frame moves smoothly, avoid the jamming phenomenon, greatly improve the stability and reliability of walking device operation. The walking device for oil drilling iron roughneck can install iron roughneck on the front end of walking frame, and when the drive mechanism drives walking frame to move to the far end along guide rail, the iron roughneck on walking frame extends the far end of guide rail, and can retract into guide rail when iron roughneck is on standby, effectively release the wellhead space.