50results about How to "Won't reverse" patented technology

The invention relates to a novel tow chain cable. The novel tow chain cable comprises an electric wire core and tow chain rings. The tow chain rings are flat ring cylinder-shaped. Bar magnets extending along the axial direction of the tow chain rings are evenly arranged in the circumferential direction in the tow chain rings. All the bar magnets are consistent in the direction of magnetic pole arrangement. Translation wheels are also equidistantly installed on the external ring surface of the tow chain rings. The wheel surfaces of all the translation wheel pass through the axes of the tow chain rings. Annular lines are carved on the internal ring surfaces of the tow chain rings. The cable is simple in structure and convenient for storage and use; and rapid stretching and translation of the cable can be realized, and lateral movement of the cable can also be realized so that work efficiency can be substantially enhanced.

The invention provides a bolt fast installation device and an assembly method for a wind driven generator hub. The bolt fast installation device comprises a fixing part and baffles, wherein the fixing part is provided with two or more rotation preventing structures which are arranged at intervals and are used for clamping a screw cap of a bolt or a nut matched with the bolt in the radial direction; and the baffles are installed on the fixing part and are arranged on the outer sides of the corresponding rotation preventing structures, the distance between the baffles and the rotation preventing structures is smaller than the height of the screw cap or the nut, or the baffles are directly attached to the parts of the rotation preventing structures of the fixing part to be used for axially supporting the screw cap or the nut. The bolt fast installation device is simple in structure, convenient to operate and capable of fast fixing the bolt, so that the bolt is kept fixed in the nut installation process and cannot turn around; and therefore manual operation during bolt installation is facilitated, the work efficiency is improved, and the labor cost is reduced.

The invention, which belongs to the field of the aircraft separating apparatus, particularly relates to a calibration apparatus for a relation between a pretightening force and a pretightening moment, and a calibration method thereof. The apparatus comprises a device capable of providing a torsion load, a torsional force sensor sleeve, a pressure sensor tool, a separating nut sleeve, and a data processing device. According to the method, a torsional force is applied to the separating apparatus; a torsional force sensor and a pressure sensor are used for reflecting a pretightening moment applied to the separating apparatus and a pretightening force generated by the separating apparatus in real time; and thus calibration of the relation between the pretightening force and the pretightening moment of the separating apparatus is completed. The method and the apparatus have the following beneficial effects: a curve of a relation between a pretightening force and a pretightening moment can be calibrated continuously and be drawn automatically; the separating nut and the connecting bolt are consistent with the motion state of the connected structure relatively when the pretightening moment is applied to the separating apparatus, so that the calibration result is more real. The strain gauge leads are arranged outside and twisting of the leads with the separating apparatus can be prevented.

The invention belongs to the technical field of tightening devices, and particularly relates to a multi-specification fastener tightening device with a simple structure. The following scheme is provided currently in order to solve the problems of inconvenience in use, incapability of tightening hexagon socket screws and relatively small application range of an existing monkey wrench for bolts withdifferent sizes, the multi-specification fastener tightening device comprises a disc, a plurality of polygonal rods are connected to the bottom of the disc, a circular plate is fixedly connected to the top of the disc, a circular groove is formed in the top of the circular plate, a circular block is rotationally installed in the circular groove, a plurality of clamping grooves are evenly formed in the outer side of the circular block, a circular hole is formed in the inner wall of the circular groove, a circular rod is rotationally installed in the circular hole, and an elastic groove is formed in one end of the circular rod; and a clamping block is slidably installed in the elastic groove, a bevel edge is arranged on one side of the clamping block, and the same spring is fixedly installed between the clamping block and the elastic groove. The device is simple in structure and convenient to operate, and can be used for the bolts with different sizes and specifications, and the application range is widened.

The invention discloses a fixture with the functions of locating detection and clamping expansion. The fixture comprises an up-and-down telescopic mechanism comprising a sliding shaft vertically arranged, a first spring and a first limit bolt component, and a workpiece to be installed can be arranged at the bottom end of the sliding shaft in a sleeving mode; the sliding shaft is internally provided with the first spring, and the sliding shaft is provided with a vertical straight slot; and the first end of the first limit bolt component is connected with the bottom end of the first spring, and the second end of the first limit bolt component penetrates through the straight slot horizontally, and extends outside. According to the fixture, a needle bearing is located and clamped through a locating contact, and whether the needle bearing is located correctly or not is judged through a proximity switch secondarily; it is ensured that the needle bearing is not twisted in the pressing process through an anti-rotating guide mechanism, and it is ensured that an outer ring hole of the needle bearing is aligned to a workpiece hole; the needle bearing is installed at the pressing position of a press, and both hands are far away from the press; the extrusion risk is avoided; and the perpendicularity is high for ensuring that the press mounting of the bearing can be finished quickly, and the press mounting efficiency is improved.

The invention discloses a grid shearing fixation device for a lead-acid storage battery. The device comprises a fixed base as well as a pressing plate fixation mechanism and a grid rib combing mechanism which are arranged on the fixed base, wherein the pressing plate fixation mechanism comprises a lower fixed plate, an upper fixed plate and a pressing plate driving mechanism, one of the upper fixed plate and the lower fixed plate is arranged on a first guiding mechanism which is arranged on the fixed base, and the upper fixed plate and the lower fixed plate are driven by the pressing plate driving mechanism and are closed under the guiding of the first guiding mechanism so as to clamp and fix a grid positioned between the upper fixed plate and the lower fixed plate; and the grid rib combing mechanism comprises an insertion assembly, a second guiding mechanism and an insertion driving mechanism, comb teeth which correspond to gaps between adjacent ribs on the grid one by one are distributed on the insertion assembly, the second guiding mechanism and the insertion driving mechanism are fixed on the fixed base, and the insertion assembly is arranged on the second guiding mechanism and is driven by the insertion driving mechanism to move along the second guiding mechanism, so that the comb teeth on the insertion assembly are inserted into the gaps between the adjacent ribs so as to limit the horizontal positions of the ribs of the grid.

A rotatable plug is mainly formed by pivoting a first base and a second base. The pivoting axis of the second base and the central axis of the first base form an included angle. When the second base rotates around the pivoting axis, the first base and the second base can achieve folding effect. A cable of the rotatable plug is connected onto a male connector, no terminal is required to be pivoted, the structure is simple, and safety is remarkably improved. When the second base rotates around the pivoting axis, cables in the first base and the second base are not twisted.

A washing machine includes an outer tub, and a counterweight fastened to the outer tub by a screwed connection. The screwed connection includes a screw guided through an opening of the counterweight, a spiked plate at an end of the screw with a spike-type projection in a fastening section of the outer tub that non-rotatably secures the spiked plate, and a brace at the other end of the screw that braces the counterweight and the fastening section with the spiked plate.

The invention provides a seabed wire rope with application sensing and relates to the field of wire ropes. The seabed wire rope with the application sensing comprises a main body, the two ends of themain body are provided with fixing plates, inner cavities of the fixing plates are provided with inserting openings, one end of the main body penetrates through inner cavities of the inserting openings in an inserting manner, the peripheries of the inserting opening inner cavities are provided with connection openings, and inner cavities of the connection openings are connected with lantern ringsin a welded manner. According to the seabed wire rope with the application sensing, through matched arrangement of the main body, the fixing plates, the inserting openings, the connection openings, the lantern rings, steel wire ropes, squeezing limiting rods, connection plates, connection rods, a blocking frame, a pressure sensor, a blocking net, inclined plates, a rubber sleeve and a triangular frame, the problems that the pressure is increased as the depth increases under the sea, to avoid the situation that the seabed wire rope is damaged due to the fact that a box is placed excessively depth and the seabed wire rope cannot bear the pressure of the seawater at the depth, the stress of the wire rope needs to be detected so that the wire rope cannot be damaged unnecessarily are solved.

The invention discloses a novel cable which comprises a conductor. An insulating layer wraps the conductor, a shielding layer wraps the insulating layer, alkali-resistant glass fiber gridding cloth wraps the shielding layer, rendering coat mortar coats the alkali-resistant glass fiber gridding cloth, an inner protective layer is bonded on the rendering coat mortar, silicone rubber waterproof paintcoats the inner protective layer, a metal grid net is bonded outside the silicone rubber waterproof paint, grid gaps of the metal grid net are filled with quartz sand, spines are fixedly connected togrid intersection points of the metal grid net, the metal grid net is wrapped by an outer protective layer, and the tips of the spines penetrate into the outer protective layer. The spines on the metal grid net penetrate into the outer protective layer, so that the outer protective layer cannot be twisted excessively due to external rolling, the service life of the cable is prolonged, meanwhile,the shielding layer and the inner protective layer are bonded through rendering coat mortar and alkali-resistant glass fiber gridding cloth, the tensile and compressive capacity of the cable is improved, and the cable is prevented from cracking due to pulling or extrusion.

The present disclosure relates to a gripping arm (2) suitable for a device (1) for gripping, holding and guiding, in particular bottle-shaped containers, wherein the device has a control device (11) to move the gripping arm ( 2) the gripping section (5) moves from the extended position to the gripping position or from the gripping position to the extended position, the gripping arm comprises a bore (10) for supporting the bearing pin (20), to pivotally fix the grab arm (2) in the device (1) and include a force accumulator for moving the grab segment (5) of the grab arm (2) from the grab position to The unfolded position or move from the unfolded position to the grab position. In order to achieve the goal of such a gripping arm which remains sufficiently free of dirt and germs, can thus be cleaned without problems and can be produced quickly and easily, it is provided that the force store has an integral design Elastically deflectable spring tongues ( 6 ) on the gripping arm ( 2 ) are in or come into active engagement with spring tongues of the mirror-symmetrically designed gripping arms ( 3 ) of the device ( 1 ).

The invention relates to a cable protection structure and a lamp. The cable protection structure is arranged between a bottom plate and a rotary support, and comprises a cable fixing component and a rotation component. The cable fixing component is used for fixing a cable onto the bottom plate, the rotation component is arranged between the cable fixing component and the rotation support, and the rotation component is free of contact with the cable and used for driving the rotation support to rotate and meanwhile keeping the cable fixed. The cable is stably fixed on the bottom plate by the cable fixing component, the rotation component drives the rotation support to rotate without contact with the cable, and accordingly, the cable is kept fixed with the bottom plate without rotation so as to be protected from damage. The cable protection structure is simple and reliable in structure, easy to realize, convenient to mount and low in cost.

The invention discloses a paper-covered copper strap wire bending tool, relates to the technical field of transformer repair and maintenance. The paper-covered copper strap wire bending tool is simplein structure and can be prevented from twisting when being bended. The paper-covered copper strap wire bending tool comprises a mother board and a cover board; the positive surface of the mother board is provided with a wire groove; the wire groove comprises a first transverse groove, a second transverse groove and a slanting groove; the slanting groove is arranged at the middle part of the mother board; the first transverse groove and the second transverse groove are arranged in the length direction of the mother board, are arranged on edges of the two sides of the mother board respectivelyand extend to the slanting groove from the two ends of the mother board respectively; the cover board is attached to the positive surface of the mother board and covers the wire groove; the cover plate is hinged to the mother board and is detachably connected with the mother board; and after the cover plate is rotated, the wire groove can be exposed. By adopting the paper-covered copper strap wirebending tool provided by the invention, a paper-covered copper strap wire is put in the wire groove, the mother board and the cover board press the paper-covered copper strap wire from the two sidesto ensure that the paper-covered copper strap wire cannot twist in a thickness direction, so that the paper-covered copper strap wire is prevented from twisting when being bended.

The invention discloses a large-scale transformer coil overturning device and a coil overturning method. The overturning device includes a base and a overturning mechanism. Two support plates, the first support plate is equipped with a slide rail, the first arc bracket and the second arc bracket are installed above the slide rail, the position of the two brackets can be adjusted according to the height of the coil through the hand wheel, and the inner side of the arc surface is cushioned The rubber plate is used to protect the coil surface and prevent the coil from being damaged; the outer arc surface of the turning mechanism is provided with a transmission chain along the turning direction, and the base is equipped with a reducer and a transmission gear, and the reducer drives the transmission chain on the turning mechanism through the transmission gear to realize The overturning of the overturning mechanism realizes the accurate control of the overturning position through the limit structure. The invention can realize safe and stable overturning of large-scale transformer coils, improve production efficiency, reduce the burden of operators, avoid coil collisions, and ensure that the coils are intact.

The invention relates to a new type of towline cable. The new type of towline cable includes a wire core and a towline ring; The strip magnets extending in the axial direction of the ring, the magnetic poles of each of the strip magnets are arranged in the same direction; translation wheels are also equidistantly installed on the outer ring surface of the drag chain ring, and the wheel surfaces of each of the translation wheels pass through The axis of the drag chain ring; the inner ring surface of the drag chain ring is engraved with circular lines; the cable has a simple structure and is convenient for storage and use; efficiency.

A method for hoist a bridge in accordance with that present invention, includes the following steps: leveling construction site, Hoisting Settings Entry, the hoisting equipment is towed to the bridgepier where the bridge deck needs to be placed by the towing truck, precast bridge slabs approach, A bridge deck is transported to the rear side of the hoisting equipment by a transport vehicle and placed diagonally, bridge slab translation, the bridge slab is pulled horizontally to the lifting point position by the traction equipment on the lifting equipment, The front end of the bridge slab is located between two piers, and the rear end is located on the outside of the bridge. Two fixed lifting points are arranged above the front end of the bridge slab. A lifting point capable of moving horizontally is arranged at the rear end of the bridge slab. Three lifting points are simultaneously lifted to lift the bridge slab to a height higher than the pier, and the bridge slab is rotated and placed. The invention solves the problem that the bridge slab is easy to be twisted in the air in the lifting process, and can keep the stability in the lifting process of the bridge slab, so that the bridge slab can not be twisted.

The invention provides a high-altitude cable installation mechanism with a pre-tightening function, which relates to the technical field of cable installation. A No. 1 motor is provided, a lead head is fixedly installed at the front end of the unloading assembly, a No. 1 tightening plate is coaxially and fixedly connected to the upper end of the winding sleeve, and a fixing ring is arranged between the No. 1 fixing ring and the No. 2 fixing ring to lock In this scheme, the mounting plate is first tightened through the two No. 1 fixing rings and No. 2 fixing rings at the rear end, and the assembly is tightened by the fixing ring, so that it can be fixed on the column at one end, and then one end of the cable is tightened. Pass through the unloading assembly, the lead hole of the No. 2 tightening plate and the lead hole of the No. 1 tightening plate, and be fixed in the end lock assembly. No. 1 tightening plate can tighten the cable and prevent the cable from sagging by wrapping the cable around the spool.

The invention discloses a paper-covered copper strap wire bending tool, relates to the technical field of transformer repair and maintenance. The paper-covered copper strap wire bending tool is simplein structure and can be prevented from twisting when being bended. The paper-covered copper strap wire bending tool comprises a mother board and a cover board; the positive surface of the mother board is provided with a wire groove; the wire groove comprises a first transverse groove, a second transverse groove and a slanting groove; the slanting groove is arranged at the middle part of the mother board; the first transverse groove and the second transverse groove are arranged in the length direction of the mother board, are arranged on edges of the two sides of the mother board respectivelyand extend to the slanting groove from the two ends of the mother board respectively; the cover board is attached to the positive surface of the mother board and covers the wire groove; the cover plate is hinged to the mother board and is detachably connected with the mother board; and after the cover plate is rotated, the wire groove can be exposed. By adopting the paper-covered copper strap wirebending tool provided by the invention, a paper-covered copper strap wire is put in the wire groove, the mother board and the cover board press the paper-covered copper strap wire from the two sidesto ensure that the paper-covered copper strap wire cannot twist in a thickness direction, so that the paper-covered copper strap wire is prevented from twisting when being bended.