33results about How to "Prevent loose situations" patented technology

The invention discloses an inorganic mineral insulated flexible fireproof cable. The inorganic mineral insulated flexible fireproof cable comprises a plurality of cable cores. Each cable core comprises an electrical conductor and a ceramic composite tape coating the electrical conductor, the ceramic composite tapes are coated with metal foil material coatings which are selected from one in the group of copper, nickel, nickel alloy, titanium, steel or stainless steel. The cable cores are coated with a first mica tape, the first mica tape is externally provided with a flameproof fabric, an insulating refractory layer is arranged at the outer portion of the flameproof fabric, a second mica tape is arranged at the outer portion of the insulating refractory layer, a basalt fiber fireproof layeris arranged on the outer layer of the second mica tape, and a jacket layer is arranged at the outer layer of the basalt fiber fireproof layer. The inorganic mineral insulated flexible fireproof cableemploys a multi-layer fireproof layer design, has a good heat and fire resistance at a high temperature, and can maintain the state of the cable at the high temperature for a long time.

The invention belongs to the technical field of photo-communication, and discloses a fiber winding and unwinding device group of a bare fiber. The fiber winding and unwinding device group of the barefiber comprises a fiber winding device and a fiber unwinding device; the fiber winding device comprises a first fiber winding disc, a crank and a first rotating shaft; the first rotating shaft is sleeved with the first fiber winding disc, and the crank is fixedly arranged on the first winding disc; the fiber unwinding device comprises a clamping block, a connecting shaft, a second fiber winding disc, a fiber unwinding rod and nuts; the clamping block is arranged on a station, one end of the connecting shaft is fixed on the clamping block, the other end of the connecting shaft penetrates through a central through hole of the second fiber winding disc and a through hole of the fiber unwinding rod in sequence and is fixed through the nuts; the through hole of the fiber unwinding rod is internally provided with a ball bearing, the fiber unwinding rod is a straight rod, the middle section of the straight rod is provided with a threaded hole, the threaded hole is used for installing a ball screw, the tail end of the straight rod is provided with an arc-shaped sliding groove, and the arc-shaped sliding groove is tangent to the second fiber winding disc. The fiber winding and unwinding device group of the bare fiber solves the problems that the fiber winding and unwinding efficiency of bare fiber in the prior art is lower and fiber damage is easy to cause.

The invention relates to the technical field of auxiliary wire feeding devices of splayed nailing machines, in particular to a novel automatic wire feeding device of a splayed nailing machine. The invention discloses a splayed nail machine which can effectively prevent iron wires from being loosened and wound together, guarantee normal operation of the splayed nail machine, reduce potential safety hazards and improve production efficiency, and comprises a wire feeding mechanism and a wire feeding mechanism, the wire feeding mechanism comprises a base, a rotating disc is rotationally installed on the base, an iron wire tray is installed on the rotating disc, and the wire feeding mechanism comprises a rack. An iron roller and a driving motor for driving the iron roller to rotate are arranged on the rack, a circular groove is formed in the top end of the iron roller, a brake drum is installed in the circular groove, a brake pad on the outer side of the brake drum makes contact with the inner side wall of the circular groove, an iron disc is arranged at the top end of the brake drum, a compression spring is installed at the top end of the iron disc, and a wire guide wheel is arranged on the outer side of an iron wire. A wire feeding wheel is arranged at the top end of the machine frame and located above the iron disc.

The invention discloses non-woven fabric environment-friendly bag forming and processing equipment. The non-woven fabric environment-friendly bag forming and processing equipment comprises a supporting frame, a tensioning device, a folding device, a heat sealing device, a non-woven fabric roller frame and a forming environment-friendly bag roller frame. The non-woven fabric environment-friendly bag forming and processing equipment can solve the following problems that firstly, when existing non-woven fabric environment-friendly bag forming and processing equipment is used for folding a piece of non-woven fabric in half in the processing process, the non-woven fabric is prone to being mistakenly folded, and the situation that the non-woven fabric is stirred and wound together occurs; and secondly, when the existing non-woven fabric environment-friendly bag forming and processing equipment is used for processing, a hot melting device carries out melting excessively, the folded non-wovenfabric is prone to breakage in the pulling and winding process, the non-woven fabric is not stopped in time after breakage, and the non-woven fabric is retracted back into the equipment, so that the working efficiency is affected. According to the non-woven fabric environment-friendly bag forming and processing equipment, the error probability when the non-woven fabric is folded is greatly reduced, the processing quality is improved, the non-woven fabric can be prevented from retracting in time when the non-woven fabric is broken after being melted and scalded, and the working efficiency is improved.

The invention discloses a production line of a warm edge spacing bar. The production line of the warm edge spacing bar comprises an uncoiler and a traction device; the uncoiler comprises a first rack;a central shaft and a support mechanism are arranged on the first rack; the support mechanism is arranged at one end of the central shaft; the uncoiler also comprises a front driving roller, a rear driving roller and a synchronous brake mechanism; a coiled metal sheet is placed above the middle of the front driving roller and the rear driving roller; the central shaft is in sliding fit with the first rack along the vertical direction; the synchronous brake mechanism comprises a brake wheel, a brake belt and a cantilever; the brake wheel is fixedly arranged on the central shaft; the cantileveris rotatably connected with the first rack; the fulcrum of the cantilever is positioned above the brake wheel; one end of the brake belt is fixed on the first rack, and the other end of the brake belt is fixed at one end of the cantilever; the brake belt is wound around the brake wheel from the lower part of the brake wheel; and a guide wheel is arranged at the other opposite end of the cantilever. According to the production line of the warm edge spacing bar, the problem that the coiled metal sheet is easy to loosen when the traction device of the existing production line of the warm edge spacing bar is in a sudden stop.

The invention belongs to the technical field of biomass fuel particle forming devices, and particularly relates to an environment-friendly biomass fuel particle forming device. The device comprises abody; the upper surface of the machine body is fixedly connected with a feeding bin; a rotating rod is rotationally connected into the inner wall of each supporting plate through a motor; uniformly arranged rotating blades are fixedly connected into the inner wall of each rotating rod; a partition plate is fixedly connected to the position, below each supporting plate, in the inner wall of the body; and uniformly arranged extrusion roller groups are rotationally connected into the inner walls of the two sides of the partition plates through rotating shafts. The biomass fuel particle forming device is mainly used for solving the problems that an existing biomass fuel forming device carries out forming by pressing raw materials out of screen holes through large pressure, however, by means ofthe mode, the needed pressure is too large, the load on a pressing plate of the forming device is large when the forming device works for a long time, and therefore the forming device is prone to being damaged, and meanwhile, a sieve pore plate for shaping deforms under the action of large extrusion force for a long time, so that the shaping effect of the raw materials is influenced.

The invention discloses a processing method of sandwiched bean curd. Tomato sauce and pigskin thick paste are wrapped on the surfaces of small meat balls, the tomato sauce is fused with the ampelopsis grossedentata fragrance, the nutrition is richer, the taste is rich in layering sense, the tomato red oil is adopted, the taste is sour, sweet and spicy, the flavor is full, lotus stamen, angelica sinensis and other components are added, the health-care value is higher, the synergistic effect is achieved, and the appetite is promoted. By arranging a limiting air cylinder and a limiting plate at the same time, bean curds of different sizes can be limited, the situation that the bean curds are loosened in the dicing process is prevented, by arranging a filter plate and a bean curd liquid collecting box, bean curd liquid in the bean curds in the dicing process can be effectively collected, a second rotating air cylinder is arranged, and two liftable cutter holders are matched, so that transverse and longitudinal dicing treatment of the bean curd is completed while the bean curd is conveyed in a one-way mode, the bean curd can be conveyed while being diced, and efficient processing of the bean curd is guaranteed.

The EPE coiled material winding equipment comprises a base, a plurality of supports are fixedly connected to the top face of the base, a square shell is fixedly connected to the top ends of the supports, the two ends of the inner side of the square shell are each of an opening structure, one end of the square shell is fixedly connected with a side plate, and four power shells are fixedly connected to the four sides of the outer side wall of the square shell correspondingly; two sliding square holes are formed in the side, close to the square shell, of the power shell, two through openings are formed in the positions, corresponding to the two sliding square holes, of the side wall of the square shell, two sliding square columns are slidably connected into the two sliding square holes and the two through openings respectively, and the ends of the two sliding square columns are located in the square shell and fixedly connected with a movable plate. The four pressing assemblies are arranged, the four pressing assemblies can be driven by the small gear motor to move slowly, elastic pressing belts on the pressing assemblies make contact with pearl wool rolls in the rolling process all the time during rolling, force is applied to the pearl wool rolls to press the pearl wool rolls, the situation that the pearl wool rolls are loose during rolling is prevented, and the rolling quality is guaranteed.

The invention discloses a device for preventing a wire coil from being loosened. The device comprises a bottom plate and a bolt, wherein a first supporting plate is arranged at one end of the upper surface of the bottom plate, one end of the supporting plate is connected with the bottom plate, the other end of the supporting plate is connected with a flat plate, the flat plate is located right above the bottom plate and is parallel to the bottom plate, a threaded hole is formed in the flat plate, a groove is formed in the upper surface of the bottom plate, the tail end of a rod part of the bolt penetrates through the threaded hole from the end, away from the bottom plate, of the flat plate, the tail end of the rod part of the bolt can be inserted into the groove by screwing the bolt, a guide shaft is arranged in the groove, a guide hole is formed in the tail end of the rod part of the bolt, and when the tail end of the rod part of the bolt is inserted into the groove, the guide shaft is inserted into the guide hole.According to the device for preventing the wire coil from being loosened, a wire coil storage device can be repeatedly used, the wire coil does not need to be tied through a rope, the labor intensity of workers is reduced, and the situation that the wire coil is loosened due to insufficient fastening force when the rope is adopted is avoided.

The invention belongs to the technical field of stone-like floor tiles, and particularly relates to a method for preparing stone-like floor tiles from bauxite waste ore dressing tailings. A plate brick mold comprises a base; a lower mold bin is fixedly connected into a cavity of the base; sliding grooves are evenly formed in the inner wall of the lower mold bin, and sliding blocks are connected into the sliding grooves in a sliding mode; lower mold plates are evenly arranged in the lower mold bin; an interlayer is fixedly connected between every two lower mold plates; and the lower mold platescorrespond to each other and form a lower mold cavity. The method is mainly used for solving the problems that most of existing molds for manufacturing floor tiles are used for compacting raw materials in the molds, but the floor tiles manufactured by the mode are in a solid state, so that the material consumption of the floor tiles is increased to cause waste, and meanwhile, when bubbles exist in the raw materials or compaction among the raw materials is insufficient in the injection molding process of the raw materials, cavities exist in the manufactured floor tiles, so that the service life of the floor tiles is shortened.

The invention discloses a method for preventing a wire coil from being loosened. The method comprises the following steps that step A, a bottom plate is placed on the ground firstly; step B, a bolt isrotated and withdrawn from a threaded hole; step C, the coiled wire coil is pushed from one side of a supporting plate to the upper surface of the bottom plate, and the axis of a central hole of thewire coil is enabled to coincide with the axis of a groove; step D, the head end and the tail end of a wire rod of the wire coil are placed in the groove; and step E, the tail end of a rod part of thebolt is enabled to penetrate through the threaded hole from the end, away from the bottom plate, of a flat plate and then is in threaded connection with the threaded hole, the bolt is rotated until the tail end of the rod part of the bolt is inserted into the groove, and the head end and the tail end of the wire rod are pressed in the wire coil. According to the method, the wire coil storage device can be repeatedly used, the wire coil does not need to be tied by ropes, the labor intensity of workers is reduced, and the situation that the wire coil is loosened due to insufficient fastening force when the rope is adopted for tying is avoided.

The invention discloses a lithium battery based on a wireless charging technology. Thelithium battery comprises a box body, a battery box, a battery cover and a fixing piece, wherein blocking pieces are fixedly connected to the two sides of the upper surface of the box body correspondingly, moving grooves are formed in the blocking pieces, a motor is arranged on one sides of the blocking pieces, asecond rotating shaft is in transmission connection with one side of the motor, the second rotating shaft is located in the moving groove, a cleaning brush is arranged on the surface of the second rotating shaft, and a moving block is rotatably connected to one side of the cleaning brush through the rotating shaft. Through the arranged cleaning brush, dust on the upper layer of the box body can be brushed away by rotating the cleaning brush, and the situation that the dust is accumulated on the box body and the induction effect between induction coils is affected is avoided; through the arranged second rotating shaft, the effect of rotating the cleaning brush can be achieved through rotation of the second rotating shaft; through the arranged motor, the rotating shaft can rotate; and through an arranged electric push rod, the adjusting end of the electric push rod can extend and retract back and forth, and reciprocating motion of a movable block on the box body is achieved.