13results about How to "Prevent cascading" patented technology

The present application relates to the technical field of mechanical engineering, and particularly relates to a connecting device and a turner, a connecting device for connecting a turner and a tractor and adjusting the position between the turner and the tractor, comprising: a connecting assembly, the connecting assembly comprising a first connecting piece and a second connecting piece, the first connecting piece and the second connecting piece being connected with the turner and the tractor respectively, adjacent ends of the first connecting piece and the second connecting piece being connected in a sliding and inserting mode, and the first connecting piece and the second connecting piece being limited by a limiting piece after being inserted; and at least one damping assembly, the damping assembly being arranged close to the inserted part of the first connecting piece and the second connecting piece, and the damping assembly being arranged on the first connecting piece and / or the second connecting piece, so that the technical problem that the length of the supporting rod between the turner and the tractor cannot be adjusted in the prior art is solved, and the supporting rod is prevented from being broken due to torsion or vibration.

The functional composite type support comprises a support body, an upper concentric-square-shaped limiting piece and a lower concentric-square-shaped limiting piece, the upper concentric-square-shaped limiting piece and the lower concentric-square-shaped limiting piece are frame-shaped plate pieces which are combined with the shape of the support body and provided with holes in the centers, an upper stiffening steel plate serving as an upper sealing plate is arranged on the top face of the support body, and a lower stiffening steel plate serving as a lower sealing plate is arranged on the top face of the support body. A lower stiffening steel plate serving as a lower sealing plate is arranged on the bottom face of the support body, and the lower stiffening steel plate is matched with a central hole of a lower concentric-square-shaped limiting piece and located in the central hole of the lower concentric-square-shaped limiting piece. The upper stiffening steel plate and the lower stiffening steel plate are steel plates cut from a hole formed in the center of a whole rectangular steel plate and vulcanized on the top face and the bottom face of the support body. The upper and lower concentric-square-shaped limiting pieces limit the support body, position shifting and sliding of the support body are avoided, the anti-sliding capacity is improved, the upper and lower concentric-square-shaped limiting pieces are connected with the beam body and the padstone through detachable structures, the bridge support is convenient to mount and dismount, the support body is easy to replace, and the efficiency is high.

The high-speed wire drawing machine for aluminum wire production and processing comprises a wire drawing box, one side of the wire drawing box is movably connected with a wire guiding assembly for clamping and guiding an aluminum wire, the two sides of the wire guiding assembly are both movably connected with a threading plate for aluminum wire drawing, and a plurality of threading assemblies are arranged in the threading plate; the inner diameters of the threading assemblies are arranged in an echelon mode so that the aluminum wires can be pulled to the required diameter, and a wire collecting roller for collecting the aluminum wires is arranged on one side of the wire drawing box. As one side of the wire drawing box is movably connected with the wire guiding assembly for clamping and guiding the aluminum wire, the wire guiding assembly can be rapidly adjusted and clamp the aluminum wire, and the wire guiding base plate can be deflected or not through electrification of the electromagnet, so that wire breaking treatment is performed on the aluminum wire after wire drawing is finished.

The utility model provides an adjustable pressure tank, and belongs to the technical field of machinery. The pressure tank solves the problems that an existing pressure tank cannot adjust pressure and is not wide in application range. The adjustable pressure tank comprises a shell with a cavity and a cover fixedly connected to the upper end of the shell, the lower end of the shell is provided with a water inlet end communicated with the cavity, an elastic membrane is arranged between the shell and the cover, a connecting seat is axially arranged in the cover, an adjusting rod is inserted in the connecting seat, the lower end of the adjusting rod is fixedly connected with the elastic membrane, and the lower end of the adjusting rod is fixedly connected with the elastic membrane. A spring is arranged between the cover body and the adjusting rod, and a pressure adjusting assembly is arranged between the cover body and the adjusting rod and can adjust the distance between the adjusting rod and the cover body. The adjustable pressure tank has the advantages of being capable of adjusting pressure and wide in application range.

The utility model discloses a flat wire stator groove bottom injection molding iron core, which belongs to the technical field of motor stator iron core manufacture and comprises a stator body, the stator body comprises a first annular body (1), the first annular body (1) comprises a yoke portion (2) and first racks (3), tooth grooves (4) are arranged between adjacent first racks (3), and first insulator media (5) are arranged on the periphery of the inner wall of each tooth groove (4). A first insulator medium (5) is arranged on the upper surface of the stator body, a second insulator medium (6) is arranged on the upper surface of the stator body, a third insulator medium (9) is arranged on the lower surface of the stator body, and the first insulator medium (5), the second insulator medium (6) and the third insulator medium (9) are of an integrated structure formed through injection molding. And the production efficiency and the quality of the product can be improved.

The utility model discloses a kind of anti-twist steel wire rope decontamination detection disc rope automation devices, including base, the top of base is fixedly connected with a pair of vertical plate, two The vertical plate is rotatably connected with transmission rod, the outer wall of transmission rod is fixedly connected with winding roller, the top of base is fixedly connected with a pair of first fixed plate, two The first fixed plate is rotatably connected with first reciprocating screw rod, the outer wall of first reciprocating screw rod is equipped with sliding block.The utility model device can realize the dynamic adhesion cleaning of brush to steel wire rope surface by reciprocating cleaning structure linked with winding system;Multiple distributed detection components can be omnidirectionally photographed to circumferential and axial of steel wire rope, reduce the missed detection risk of artificial visual inspection;Reciprocating guide structure and winding speed dynamic matching can guide steel wire rope to be evenly arranged on the surface of winding component.

The invention discloses a processing method of a composite structure stator core of a magnetic suspension type permanent magnet motor. The processing method comprises the following steps: S1, respectively manufacturing a half-tooth stator core made of a magnetic conductive material, and a half-tooth end cover and a first end cover which are both made of a non-magnetic conductive material; s2, inserting an end cover with half teeth from one end of the half-tooth stator core, enabling a second end cover to be fixedly matched with one end of the stator yoke, and enabling a plurality of second half teeth to be attached to the inner sides of a plurality of first half teeth in a one-to-one correspondence manner at the same time, so as to form a plurality of radially distributed stator teeth in a splicing manner in the stator yoke; and S3, fixedly covering the other end of the half-tooth stator core with a first end cover, and positioning the plurality of second half teeth one by one through the first end cover. The stator teeth of the stator iron core obtained through machining are of a composite structure, the magnetic attraction force between the stator iron core and the rotor is reduced, the burden of the magnetic suspension bearing is reduced, and meanwhile the machining method is simple in assembly process, easy to operate and high in production efficiency.

The invention relates to the technical field of cloth cutting devices, in particular to a cloth cutting and pressing mechanism which comprises a hollow frame assembly connected with a cutting mechanism in a follow-up mode, the hollow frame assembly comprises a plurality of radial sliding grooves evenly distributed in the circumference of a top frame of a hollow frame, and the sliding grooves are connected with a pressing component through a sliding frame. The pressing face of the pressing swing arm is rotationally connected with a plurality of balls in rolling contact with cloth, the upper end of the pressing swing arm is in swing connection with the sliding frame, and when the pressing swing arm makes contact with the cloth, the pressing swing arm outwards swings around the connecting shaft of the sliding frame to be opened to the inner side face to press and tension the cloth to achieve pressing. According to the cloth cutting and pressing mechanism, the hollow frame and the cutting mechanism move synchronously, the pressing part presses materials around the cutter in the downward moving process of the cutting mechanism, and cutting and pressing are achieved at the same time.

The utility model discloses a yarn releasing device of warp knitting equipment, which comprises a reel and pan heads detachably mounted at two ends of the reel, shaft holes are arranged in the middles of the pan heads, connecting shafts are respectively arranged on end faces of two ends of the reel, and the diameters of the connecting shafts and the shaft holes are both smaller than the diameter of the reel; the pan head is sleeved on the connecting shaft through the shaft hole; the connecting shaft on the outer side of the pan head is further sleeved with a connecting sleeve, at least one clamping mechanism is arranged between the connecting sleeve and the connecting shaft, and after the clamping mechanism is clamped, the connecting sleeve tightly presses the pan head on the end face of the reel. The pan head is tightly pressed on the end face of the reel through the connecting sleeve, equivalently, the pan head is clamped by the connecting sleeve and the reel from the two sides, so that the pan head is more stable and does not shake, a yarn roll is prevented from moving on the reel, and the tension of the yarn is stably controlled; when the yarn roll needs to be replaced, the yarn roll can be replaced simply and conveniently by unfastening the clamping mechanism and withdrawing the connecting sleeve and the pan head from the connecting shaft.

The invention relates to the technical field of mining equipment, in particular to a cable take-up and pay-off device and an excavator, the cable take-up and pay-off device comprises a cable, a guide assembly and a cable take-up and pay-off assembly, the guide assembly and the cable take-up and pay-off assembly are arranged on a mounting support, the cable take-up and pay-off assembly comprises the mounting support, a driving component and a winding drum, and the winding drum and the driving component are arranged on the mounting support; the driving part drives the winding drum to rotate to collect or release the cable, the guide assembly comprises a moving part and a guide part which are connected with the mounting bracket, the cable is suitable for penetrating through the guide part to be wound on the winding drum, and the cable is wound on the peripheral surface of the guide part; and the moving part drives the guide part to move in the width direction of the mounting bracket so as to guide the cable. The cable take-up and pay-off device can guide cables during take-up and pay-off, and stacking of the cables is avoided.

The invention discloses an electromagnetic relay with strong impact resistance and convenient for automatic assembly, comprising a shell, a base, a contact part, a magnetic circuit part and a push card, wherein the contact part and the magnetic circuit part are respectively mounted on the base, and the push card is matched between the magnetic circuit part and the contact part, and the shell is mounted on the base and contains the contact part, the magnetic circuit part and the push card; in the base, two side walls with a certain height are provided at positions corresponding to the push card, and the tops of the two side walls are respectively provided with plug holes along the horizontal direction, and the two plug holes are respectively provided with openings leading upward; the two sides of the top of the push card are respectively provided with rotating shafts protruding outward; the rotating shafts on both sides of the push card are squeezed into the corresponding plug holes from top to bottom through the openings. The invention can not only improve the impact resistance of the product, but also avoid the influence of plastic powder generated when the push card and the base are matched on the product performance, and it is easy to realize the automatic assembly of the product.

The utility model relates to the technical field of batteries, and provides a battery device, the battery device comprises a battery box, a battery pack and a pressing piece, the battery box comprises a bottom plate and an edge beam, and the bottom plate and the edge beam form an accommodating space of the battery box; the battery pack is at least partially located in the accommodating space of the battery box, the battery pack comprises a battery unit and a fixing piece, the battery unit comprises a plurality of batteries, the battery unit and the bottom plate are bonded through glue, and the fixing piece is fixed to the end, facing the edge beam, of the battery unit and makes contact with the edge beam; the abutting piece abuts against the fixing piece and the edge beam and is used for preventing the fixing piece from moving towards the side away from the bottom plate. The battery device provided by the utility model can prevent the battery pack from moving towards one side far away from the bottom plate, so that the structural stability of the battery device can be improved.

The utility model relates to the field of aluminum alloy windows, in particular to a dustproof aluminum alloy window which comprises an aluminum alloy window frame, a window sash and two sliding support hinges, the aluminum alloy window frame and the window sash are connected through the sliding support hinges, and a dustproof screen window assembly is connected to the side, away from the window sash, of the aluminum alloy window frame. Guide sliding strips are connected to the side, close to the dustproof screen window assembly, of the aluminum alloy window frame in a bilateral symmetry mode, sliding grooves are formed in the dustproof screen window assembly, the sliding grooves are connected with the guide sliding strips in a sliding mode, and a dust removal mechanism with a limiting function is further included. In the opening or closing process of the dustproof screen window assembly, the guide sliding strips and the sliding grooves can be guided and move, so that the surface of the dustproof screen window assembly is made to make contact with the cleaning wool tops, dust attached to the surface is cleaned, the dustproof effect of the dustproof screen window assembly is improved, dust entering a room during ventilation is reduced, and the dustproof effect of the dustproof screen window assembly is improved.