12results about How to "Stable and reliable" patented technology

This utility model discloses a detection head fixing assembly for an automatic inspection machine, belonging to the technical field of automatic inspection machines. It includes a mounting plate, a connecting plate mounted on the front of the mounting plate, and a detection head body fixedly connected to the front of the connecting plate, along with a locking device assembled within the connecting plate. In this utility model, a return spring provides a return force during the movement of the sliding rod, assisting the limiting plate in quickly returning to its original position upon release, thus improving operational efficiency. Furthermore, a circular plate is sleeved on the sliding rod via a bearing, forming a sliding fit with the sleeve, ensuring smooth movement of the sliding rod during pushing and rotating, and preventing jamming. In summary, this utility model, through the coordinated cooperation of the sliding rod, the limiting plate, the transverse groove, and the limiting slot, achieves rapid insertion, rotational positioning, and stable locking of the detection head body, possessing technical advantages of quick installation, reliable structure, and simple operation, significantly improving the efficiency and assembly safety of the inspection equipment.

This invention provides a quick-release bird spike device for power lines, relating to the technical field of bird-proof devices for high-voltage transmission lines. It includes a clamping base, a bird spike connecting seat mounted in a lifting manner within a storage sleeve, and bird spikes mounted on the upper part of the connecting seat. Telescopic support rods are connected to both sides of the connecting seat via pivots. The telescopic support rods on the sides away from the connecting seat are pivotally connected to a semi-circular drive sleeve. An abutment limiting claw is integrally formed on the outer side of the connecting seat. In the retracted state, the bird spikes are clustered together and unfolded after installation, effectively preventing injury to people from their sharp ends. The elastic force generated by the compression spring causes the abutment limiting claw to be fixedly installed on the crossarm. The installation process utilizes the leverage effect of the semi-circular drive sleeve, making installation and disassembly relatively simple while ensuring reliable stability after installation, reducing the risk of falling, and facilitating subsequent repositioning.

The present application provides an ecological slope protection system and a construction method thereof, the ecological slope protection system comprising an interface treatment layer, a frame structure layer, an ecological substrate layer and a vegetation layer, the interface treatment layer being arranged on a slope surface; the frame structure layer being arranged on the interface treatment layer, the frame structure layer being formed by splicing a plurality of frame units, each frame unit comprising a frame body, the frame body being a hexagonal structure, a tenon or a groove being arranged on the outer side wall of each side, any two adjacent frame units being connected through the tenon and the groove, and a filling layer being arranged in each frame body; the ecological substrate layer being laid on the frame structure layer; and the vegetation layer being formed by growing plant seeds sowed on the ecological substrate layer. The present application can make the ecological slope protection system have reliable structural stability and the ability to flexibly adapt to slight deformation.

The application discloses a kind of bag cultivation inoculator sterilization method, including sequentially closed loop interface's before sterilization positioning verification preparation, collaborative steam sterilization negative feedback control, gradient pressure reduction pollution prevention time interlocking, strain pipeline preflushing and residual, terminal double sterilization, standardization reset and automatic inoculation trigger six steps, between each step through cross-post operation authority separation, state verification interlocking and negative feedback control mechanism Form one-way irreversible whole-process anti-bacterial closed loop system;Wherein, the state verification of previous step does not pass, inoculator control system is automatically locked and prohibited to enter next step.The application has the advantages of whole-process anti-bacterial, high degree of automation, safe and reliable operation, stable sterilization effect and traceability.

This invention belongs to the field of ultra-high molecular weight polyethylene (UHMWPE) fiber modification technology, specifically relating to a hydrocarbon-linked boron nitride-modified UHMWPE fiber with high creep resistance and its preparation method. The fiber comprises an UHMWPE matrix and hydrocarbon-linked grafted boron nitride dispersed therein; the hydrocarbon-linked grafted boron nitride is obtained by grafting ω-heptadecenylphosphonic acid onto the surface of hydroxylated nano-hexagonal boron nitride, exhibiting a dual physical crosslinking mechanism. The preparation method includes preparing hydroxylated nano-hexagonal boron nitride, preparing hydrocarbon-linked grafted boron nitride, and preparing high creep-resistant UHMWPE fiber. The method of this invention can significantly improve the creep resistance of the fiber, exhibiting mechanical stability, with a creep rate ≤1.5% after 1000 hours of stress loading at 200 MPa at room temperature. This invention features a simple process, strong adaptability, mild and controllable process parameters, low equipment modification costs, and is easy to industrialize.

The utility model relates to abrasive wheel technical field, especially safety type heavy load abrasive wheel, the utility model adopts the technical scheme: including the cylindrical abrasive wheel main part structure of central shaft is left and right direction, the outer cylindrical surface of abrasive wheel main part structure is equipped with the main body heat -resisting safety groove of uniform distribution, the left and right two end surface of abrasive wheel main part structure is equipped with the symmetrical conical center cooperation safety groove, the inboard position of center cooperation safety groove is equipped with conical stable combination safety groove, the size of inboard position of stable combination safety groove is greater than the size of the center cooperation safety groove connection position, the center position of stable combination safety groove is equipped with the integrated reinforcing center cooperation column, the utility model has the advantages of: can cooperate with reinforcing installation accessories and carry out the fastening cooperation of inlay type, and the cooperation position deforms outward after fastening, can form reliable anti -looseness cooperation effect, guarantees the overall bearing capacity of abrasive wheel when using is stronger, and the shock resistance is better.

The utility model relates to the technical field of packaging boxes, in particular to a plastic packaging box with a multi-layer structure, which comprises a bottom box, a stacking box mounted at the top of the bottom box, a top box mounted at the top of the stacking box, side plates mounted on two sides of the bottom box, the stacking box and the top box, sliding rails fixedly connected with one ends, close to each other, of the side plates, and sliding rails fixedly connected with the sliding rails. Sliding grooves are formed in the two sides of the bottom box, the two sides of the stacking box and the two sides of the top box correspondingly and are in sliding connection with the sliding rails, limiting assemblies used for limiting the bottom box, the stacking box and the top box from sliding relative to the side plates are installed at the front ends of the bottom box, the stacking box and the top box correspondingly, and stacking assemblies used for fixing the stacking box are installed at the rear ends of the side plates correspondingly. According to the plastic packaging box with the multi-layer structure, the stacking assembly is controlled only by shifting the push block, and then the stacking box can be assembled and disassembled; when one layer of the packaging box is opened, the rotary knob is rotated to be matched with sliding operation, so that the advantages that the number of layers can be flexibly adjusted, single-layer opening is convenient, and connection is stable and reliable are achieved.

The application relates to a button electrode and a drill collar for a while-drilling azimuthal resistivity measurement, which comprises a measuring electrode, an electrical unit, an insulator, a seal, an electrode cover plate, a plurality of conductive columns, a cabin body and an insulating pad; the plurality of conductive columns are arranged at the upper end of the measuring electrode; the measuring electrode, the insulator and the electrode cover plate are fixedly connected with the cabin body; the insulator is arranged between the measuring electrode and the electrode cover plate, and the electrode cover plate presses the insulator, and the insulator presses the measuring electrode; the insulator and the measuring electrode are provided with the seal at the matching position, and the insulator and the electrode cover plate are provided with the seal at the matching position; the electrical unit is arranged in a containing cavity formed by the measuring electrode and the cabin body, and the electrical unit is electrically connected with the measuring electrode; and the containing cavity is filled with a fluid medium. Under the conditions of high temperature, high pressure, high erosion and vibration in the well, the structure of the button electrode is more sealed, more insulating, more stable and longer in working time than the structure of the injection-molded button electrode in the prior art.

This invention discloses a construction method for a pipeline installation lifting gantry device suitable for confined spaces. The pipeline installation is completed through steps including modular gantry assembly, pipeline traction or coordinated transport, synchronous lifting and lateral positioning, segmented acceptance, and hydrostatic testing. Laterally movable pulley assemblies are installed on the upper and lower parts of the gantry, working in conjunction with a self-locking lifting mechanism to achieve synchronous lateral movement and alignment of the pipeline while it is being lifted, allowing the pipeline to quickly align with the bracket and be secured. This method reduces reliance on large hoisting equipment in confined environments such as culverts and pipe galleries, minimizing manual handling and repeated lifting and lowering, and improving installation efficiency and alignment accuracy. Simultaneously, measures such as travel limiters, segmented inspection stops, diagonal bracing for stability, and base leveling enhance operational safety and overall stability, and reduce the risk of collision and wear on the pipeline's external anti-corrosion layer.

This invention provides a spring compression testing device, belonging to the technical field of spring testing equipment. The device includes a compression fixture body, a guide and limiting assembly, and at least one radial limiting member. The compression fixture body is mounted on the lower clamp of the testing equipment and has an axial compression space inside. The top of the compression space has a limiting structure for compressing the spring. One end of the limiting assembly is fixedly connected to the upper clamp of the testing equipment, and the other end extends through the limiting structure into the compression space to limit the deformation of the spring under test radially. The radial limiting member is detachably mounted on the compression fixture body and extends into or through the compression space. The portion extending into the compression space is arranged on one side of the guide and limiting assembly to limit the swaying of the spring under test placed on the guide and limiting assembly radially. This invention primarily addresses the technical problems in the prior art where clamping is difficult, stability is poor, and spring bending is easily caused during compression testing of small-diameter, long springs.

The invention provides a converter tapping slag stopping method and device based on furnace mouth sealing and in-furnace pressure control, and the method comprises the following steps: S1, when blowing is finished and a converter body taps steel, a horn-shaped sealing cover is moved to a converter mouth, so that the horn-shaped sealing cover is in butt joint with the converter mouth, and a floating sealing assembly is started to form an airtight cavity; s2, applying a set gauge pressure delta P to the inner cavity of the converter body and maintaining the set gauge pressure delta P through an air pressure adjusting unit connected with the airtight cavity, so that the molten steel can flow out of the converter tapping hole, and meanwhile, the slag liquid is inhibited from flowing out along with the molten steel; s3, dynamically adjusting the set gauge pressure delta P according to the inclination angle of the converter, the liquid level of molten steel, the thickness of a slag layer and the tapping flow in the tapping process; and S4, after tapping is finished, the airtight cavity is removed, and the horn-shaped sealing cover is withdrawn from the converter mouth. According to the invention, the device enters the operation position only when the blowing is finished and the converter is turned down for tapping, so that the slag stopping control without introducing foreign matters and impacting the tapping hole is realized, and high-temperature visualization and intrinsic safety are both considered.

This utility model discloses a multi-directional linkage slider structure for irregularly shaped core pulling, belonging to the field of plastic injection molding technology. It includes a fixed mold with a molding cavity and a movable mold that cooperates with it. A sliding plate for forming the sidewall of the molding cavity is slidably disposed within the fixed mold. The sliding plate is connected to a transverse component, which includes a transverse rod and a first return spring for driving the transverse rod away from the molding cavity. It also includes a longitudinal component driven by the movable mold, which includes a longitudinal rod and a second return spring for driving the longitudinal rod to return to its original position. The longitudinal rod has a first inclined surface, and the transverse rod has a second inclined surface. Driven by the movable mold, the longitudinal and transverse rods move, thereby pushing the sliding plate towards the center of the molding cavity, thus closing the side cavity. This utility model provides a more compact and cost-effective side core pulling structure.