129results about How to "Pull out smoothly" patented technology

The invention relates to a treatment method for slab retention in slab continuous casting. The treatment method is characterized by comprising the following steps: firstly, confirming slab retention reasons divided into two kinds according to all slab retention conditions suffered by domestic and abroad slab continuous casting machines at present: 1) long continuous casting machine downtime caused by equipment faults and operation reasons, slab retention caused by slab supercooling or slab retention resulted from the condition that the local thickness of a slab exceeds a set value because process, continuous casting cooling and hydraulic equipment faults appear; and 2) slab retention resulted from cold steel jamming and bonding of the slab and other equipment of the casting machine because the continuous casting machine suffers from process abnormity accidents including steel leakage and steel overflow; and next, adopting an optimal control method for different streamline secondary cooling water quantities, an optimizing method for different sector section lifting and slab drawing pressure and speed settings and a cutting method for accidents with different coal gas-to-oxygen ratios according to the different reasons.

The invention provides a storage container, a supply device and an image forming apparatus. The storage container includes a container body that stores a supplementary material and is detachably attached to an image forming apparatus; a discharge port that is provided at a bottom of the container body; two protrusions that protrude from the container body toward both sides; and an opening-closingmember that is movably supported by a guide frame surrounding the discharge port, wherein a rearward movement of the opening-closing member is restricted by stoppers while the container body is mounted on the mounting unit, the protrusions come in contact with the stoppers and push the stoppers laterally to release the restriction of the opening-closing member while the container body is pulled out of the image forming apparatus, and a width, in an attaching/detaching direction of the container body, of one protrusion of the protrusions is smaller than that of the other protrusion.

The invention provides a multi-layer shearing direct shear device and belongs to the technical field of worker supplies. The multi-layer shearing direct shear device comprises an outer framework device, a shear box device, a horizontal loading device and a carrying device, wherein the shear box device and the horizontal loading device are distributed in the outer framework device; the carrying device is positioned on the side edge of the shear box device; at the top of the outer framework device, a vertical loading device corresponds to the shear box device and a hanging device corresponds to the horizontal loading device; a plurality of layers of steel frames for supporting the horizontal loading device are arranged on the outer framework device; the shear box device is provided with a plurality of layers of shear boxes; the carrying device is provided with a plurality of layers of bearing blocks; and a plurality of layers of steel frames, a plurality of layers of shear boxes and a plurality of layers of bearing blocks are flush with each other layer by layer. By the multi-layer shearing direct shear device, direct shear test on a plurality of shear surfaces of the same soil sample can be realized.

The invention provides a reinforced compact fan-shaped section under heavy pressure of a continuous-cast solidification tail end, and belongs to the field of continuous casting production. The reinforced compact fan-shaped section comprises an inner frame and outer frame oppositely arranged up and down; four clamping cylinders respectively penetrate through four corners of the inner frame and the outer frame; a gap between the inner frame and the outer frame is kept at a set value; an inner arc roller row is connected to the inner frame; an outer arc roller row is connected to the outer frame; the inner arc roller row includes at least more than five upper support rollers; the outer arc roller row includes at least five lower support rollers; the upper support rollers and the lower support rollers adopt sectioned roller structures; at least one of the upper support rollers and the lower support rollers is a driving roller, and the others are driven rollers; one end of the driving roller is connected with a driving motor; and a pressing cylinder is connected with the driving roller in the upper support rollers. The fan-shaped section can prominently increase the pressing quantity of the continuous-cast solidification tail end to prevent the bounce deformation of a cast blank, meanwhile, guarantees synchronous shrinkage of the center part and a blank shell in the internal and external soaking temperature of the cast blank, prevents looseness, and improves the pressing capacity of the solidification tail end.

A refrigerator fruit/vegetable box and refrigerator comprising same, the fruit/vegetable box comprising a fruit/vegetable box body (1), and a sealing cover (2) covering the fruit/vegetable box body (1); the sealing cover (2) comprises a shelf (21), a fruit/vegetable box cover (22) connected to the bottom of the shelf (21), and a sealing strip (3) bonding with the lower rim (12) of the fruit/vegetable box cover (22). The fruit/vegetable box has a good sealing effect.

The invention provides a magnet locking device of a carrier, and belongs to the technical field of the sterilization cabinet technology. The magnet locking device comprises the carrier, two carrier tracks and two sterilization cabinet tracks, the carrier tracks and the sterilization cabinet tracks are in butt joint, and a first magnet is arranged in the center of the position between the two tracks of a sterilization cabinet and is a cylinder. The front end of the carrier is provided with a guiding plate, the guiding plate is provided with a V-shaped groove corresponding to the first magnet in position, the V-shaped groove is formed in the center of the position between the tracks of the carrier, the bottom of the V-shaped groove is provided with a second magnet, the first magnet and the second magnet are attracted to each other, and the guiding plate is provided with a locking assembly hooking the first magnet to prevent the carrier from moving backwards. An operator can conveniently and smoothly push the carrier into or pull the carrier out of the sterilization cabinet, the butt joint difficulty of the carrier and the tracks in the sterilization cabinet is lowered, the carrier is prevented from moving backwards, and working efficiency is improved.

The invention discloses a three-jaw bearing puller. The bearing puller comprises a screw with an external thread, a disc, three jaws and an obstacle eliminating device; a through hole with an internal thread is formed in the center of the disc; the disc is in threaded connection with the screw through the through hole; the screw is rotated to enable the disc to move linearly on the screw; the three jaws constitute a pull group capable of being opened and closed; the obstacle eliminating device is a cylinder with two open ends; the opening in one end of the cylinder is identical with the through hole in the disc in size and thread arrangement and is in threaded connection with the thread at the lower end of the screw; in the working state, the cylinder is located among the disc and jaw tips to move synchronously linearly; soft sheets are inserted in the inner wall of the other end opening of the cylinder; and a shaft of the to-be-detached bearing can be sleeved with the cylinder. According to the bearing puller, positioning is facilitated, the synchronousness of buckling of the bearing by the three jaws is improved, hands are not hurt easily, and substances such as grease, oil residues, rust and the like on the shaft can be removed, so that the bearing can be pulled out smoothly.

Disclosed is needle yarn tension control device that can control the amount of tension in a needle yarn for each stitch, can draw out the needle yarn, provides little risk of yarn breakages, readily and accurately detects any yarn breakages, and has no excess or insufficient amount of accumulated yarn from pulling out the needle yarn. Said needle yarn tension control device comprises an upstream grip (40) that grips the needle yarn, a downstream grip (60), and a rotating section (80) that rotates the needle yarn. In a torque control section, a balance (12a) applies rotational force to a rotating arm in accordance with a torque value such that tension is applied to the needle yarn against the direction that the needle yarn is pulled, while an upstream grip main body (41) is closed and a downstream grip main body (61) is open. In the position control section, the balance applies rotational force to the rotating arm (81) in accordance with position data for the angle of a needle yarn motor (86) such that the needle yarn motor angle returns to an initial position for the needle yarn motor (86) angle, while the upstream side grip main body (41) is open and the downstream side grip main body (61) is closed.

A bearing ring taking-out device for casting comprises a controller, a tight supporting mechanism, a sliding-off plate and a displacement mechanism. The tight supporting mechanism is fixed to the upper end of the displacement mechanism. The sliding-off plate is arranged on the right side of the displacement mechanism. The controller and the tight supporting mechanism are electrically connected with the displacement mechanism. Through the displacement mechanism, stable displacement of the tight supporting mechanism is achieved. The tight supporting mechanism opens a plurality of pull rod mechanisms through meshing of large gears on a tight supporting motor spindle and small gears on the pull rod mechanisms, then radial force is applied to the inner wall of a bearing ring. Friction force is increased through friction stripes at the ends of the pull rod mechanisms, thus the bearing ring can be pull out smoothly, the pull rod mechanisms comprise locating bolts and locating grooves, the rotation radius of the pull rod mechanisms can be adjusted, the universality of the bearing ring taking-out device is improved, and production cost is lowered. Through arrangement of a sliding table, manual contact with the bearing ring under high temperature is avoided, and thus the bearing ring rolls to a fixed area under guiding of a slope of the sliding table.

The invention relates to a laying device, in particular to a protective film laying device for building construction tile protection. The protective film laying device for building construction tile protection achieves the technical purposes of being high in laying efficiency and flat in laying. The protective film laying device for building construction tile protection comprises a trolley, a support, a first bearing pedestal, a first rotating shaft, a placement rod, a rotating disc, a connecting rod, a guiding sleeve, a guiding rod, a roller and the like; an opening is formed in the right part of a trolley plate of the trolley, the support is connected to the rear side of the right part of the trolley plate of the trolley, the support is located behind the opening, and the first bearing pedestal is installed at the top of the support. By rotating the placement rod, protective film rolls can be smoothly pulled out, during laying, the more flat roller achieves the guiding effect, a brush roller remove gravel and foreign matter on tiles, and therefore the tile protecting effect is enhanced; a soft brush moves left and right to put down the laid protective film, and the effects of high laying efficiency and flat laying are achieved.

A connector unit of flexible tube is prepared for using hollow round tube body as master tube body and setting guide slot and embedding hole on tube wall at one end of master tube body, using an open ring as backing connection ring, setting convex rib at internal peripheral surface and embedding block at external peripheral surface of blocking connection ring for enabling to socket backing connection ring on external peripheral surface of flexible tube so as to realize purpose of combining flexible tubes together without using any tool.

The invention discloses a scrap cleaning device for an engineering machinery machining table board, and belongs to the technical field of scrap cleaning for engineering machinery machining. According to the scheme, when iron metal is cut, an electric heater performs continuous heating in a protective cover, a graphite diaphragm adsorbs heat in the protective cover and transmits the heat to an expansion air bag, the expansion air bag expands due to the heat, and magnetism-insulating powder is gradually separated from the original mutual contact and abutting state due to expansion of the expansion air bag, so that magnetic balls emit magnetic attraction force to the outside, the magnetic balls have certain attraction force on the iron metal scraps, the iron metal scraps are attracted into a machining platform, and the scraps are not prone to splashing all around; when the magnetic balls generate magnetism, the multiple magnetic balls swing back and forth due to the fact that the multiple magnetic balls are homopolar, the iron metal scraps on the surface of the machining platform can be attracted in a large area, and the iron metal scraps are not prone to splashing all around.

The invention discloses a lining plate for packaging surgical suture needles and threads, belonging to the technical field of surgical operation products. The lining plate comprises a first component, a second component, a third component and a fourth component which are connected in sequence, wherein the width dimensions of the first component, the second component, the third component and the fourth component are sequentially increased. A first notch is formed in the middle of a short edge on the upper part of the first component, a second notch is formed in the middle of a short edge on the upper part of the second component, a first side cover plate is connected to the upper part of the third component, a second side cover plate is connected to the lower part of the third component, and a suture needle bayonet is formed in one end, close to the second notch, of the second component. The device is simple in structure, and the arrangement of a plurality of molds is not needed in the production process, so that the safety and sanitation of the suture needles and threads before use are ensured; in clinical use, the suture threads can be pulled out easily by clamping the suture needle by adopting needle holding forceps and dragging the suture needle outwards, and the occurrence of knotting is avoided.