68 results about "Hook wire" patented technology

A device and method for extracting tubular structures are provided. An incision is made at a proximate and at a distal end of a tubular structure. An extracting device is inserted into and passed through a tubular structure until the operational head of the device extends past the distal incision. An actuator on the handle of the device is actuated, longitudinally extending the operational head of the device. The edge of a tubular structure is positioned axially in the mouth of a hook wire on the operational head. The actuator on the handle is released and the hook wire engages and captures the tubular structure. The user manually pulls the tubular structure, invaginating and removing it.

Disclosed herein is a stent for prostatic urethra expansion which does not generate bladder stones, is removable without causing injury on a urethra, and does not generate atrophy of a prostatic urethra even after removal. The stent for prostatic urethra expansion include a stent unit including a cylindrical body with space parts formed by knotting or crossing shape memory alloy wires and bending terminals formed at both ends of the cylindrical body, a pair of hook wires passing through the space parts and knotted to the shape memory alloy wires, both ends thereof being wound on the bending terminals and then being bent upwardly to produce hooks, and a pair of hanging strings arranged in opposite directions to form a hanging knot. The stent for prostatic urethra expansion does not move into the bladder, and expands and maintains a lumen of the stenosed prostatic urethra, thereby reducing post-operative recovery time.

The invention relates to the technical field of electric power maintenance and relates to a live-line insulator replacement method and a load transfer device. The method comprises: a first operator on a cross arm of a tower body pushes an insulator stabilizing support to an insulator hanging point along the upper surface of the cross arm and adjusts the position of the device; a second operator installs two lifting pulleys connected with insulated ropes and wire hooks into a pulley groove of a pulley flip clamp by means of an operating lever, hooks wires with the wire hooks, and pulls the wires to transfer the tension force to a lifting device; an insulator lifting device is lifted, and a pin connecting an insulating string with a bulb hanging ring is taken out; the second operator moves the insulator string on the insulator lifting device to a side of the tower body along a clamp bearing support and then transfers old insulators to the ground. The operation safety is improved through the operation method. The load transfer device comprises an insulator stabilizing support, a clamp bearing support and a dismounting device. The load transfer device has the above advantages compared with the prior art.

An integrated opposite hook cable clamp includes a clamping plate, a connecting plate, and at least two J-shaped clamps. Side bars of the J-shaped clamps are locking bars. Locking holes corresponding to the locking bars are provided on the clamping plate, and at least two of the locking holes are diagonally arranged on the clamping plate. The locking bars of the J-shaped clamps vertically pass through the locking holes on the clamping plate and are movably connected with the clamping plate by a locking mechanism. A back surface of the connecting plate is lap-jointed to the inner sides of hooks of each of the J-shaped clamps. A front surface of the connecting plate is opposite to a front surface of the clamping plate (22).

The invention discloses a universal cable-stayed detection device of a lifting hook wire rope. A locating sleeve of a wire rope deflection steering mechanism locks the wire rope; an adaptive guide sleeve is arranged between the wire rope and the locating sleeve; a plurality of adjusting members are arranged on the locating sleeve; a joint bearing is arranged at the upper end of an oscillating rod of an oscillating rod mechanism; a conductor and a potentiometer or an encoder are arranged at a lower end of the oscillating rod of the oscillating rod mechanism; hinge points are arranged at two ends of a connection rod in the connection member; one end of the connection rod is connected with the wire rope deflection steering mechanism, and the other end of the connection rod is connected with the oscillating rod mechanism: and an automatic rotary detection device is arranged at the bottom part of the oscillating rod. The conductor on the oscillating rod can ensure that a potentiometer signal is smoothly output when the automatic rotary detection device rotates or swings; and an automatic rotary balance locating mechanism of a plane can determine a deflection direction so as to ensure the accuracy of angle measurement. The maximal tilt angle of the wire rope detected by the detection device is 100 degrees.

The invention provides an automatic resistance welding machine. The automatic resistance welding machine comprises a horizontal moving mechanism provided with a framed bent, a welding device, a hook wire conveying device, a hook wire cutting device, a steel ball discharging device and a steel ball conveying electrode stem. The welding device is internally provided with a butt-welding set I and a butt-welding set II which are used for welding hook wires and steel balls correspondingly. The hook wire cutting device is installed on the side surface of the butt-welding set I. A wire outlet of thehook wire conveying device is connected with a feeding opening of the hook wire cutting device. The steel ball conveying electrode stem is installed on the side surface of the butt-welding set II andconnected with an electrode stem driving device. A discharging opening of the steel ball discharging device is located above the end part of the steel ball conveying electrode stem. The end part of the steel ball conveying electrode stem is provided with a receiving part. The horizontal moving mechanism is installed on the resistance welding machine and reciprocates at the welding position of thewelding device. The hook wires and the steel balls are welded to the framed bent automatically. The production efficiency is improved, and the labor cost is saved.

The invention discloses a lubricant filling machine for construction machinery. The lubricant filling machine for construction machinery structurally comprises a rack, a top frame, wheels, an oil injector, a rubber pipe, a push frame, a pneumatic pump, an air inlet, a cover, a charging barrel and a melting mechanism, wherein the top frame is welded at the bottom of the front end of the rack, the wheels are mounted at two sides of the rear end of the rack, the charging barrel is vertically mounted on the upper portion of the rack, the pneumatic pump is arranged at the top of the cover on the charging barrel, the pneumatic pump is provided with the air inlet, and a discharge port of the pneumatic pump is connected with the oil injector through the rubber pipe. The lubricant filling machine for construction machinery has the beneficial effects that heat conducting plates are arranged on two sides of the inner wall of an inner hole, and the heat generated by electric heating wires heats grease in the pipe through the heat conducting plates so that the solidified grease in the pipe can be in a molten state; a rotating conical head is arranged in a conical groove, a hook wire ring is wound on the rotating conical head, the rotating conical head smashes solidified grease on a nozzle, and the hook wire ring scrapes off hardened grease in the nozzle to prevent blockage.

The invention discloses a hydraulic multifunctional wire fastener. A pressure reducing valve (2) and a manual hydraulic rod (3) are arranged on a cylinder body of a hydraulic screw rod (1); a hydraulic screw lever (8) which is extended out from the left end of the cylinder body is arranged inside the cylinder body of the hydraulic screw rod (1); a connection pin (4) and a rotary square-shaped left support (5) are fixedly arranged on the lateral side of the right end of the cylinder body of the hydraulic screw rod (1); a right ring type chain (6) and a right wire fastening hook (7) are connected to a right sealing column of the rotary square-shaped left support (5); the head portion (9) of the hydraulic screw lever (8) is sleeved inside a rotary square-shaped right support (10); and a left ring type chain (11) and a left wire fastening hook (12) are connected onto a left sealing column of the rotary square-shaped right support (10). The hydraulic multifunctional wire fastener has the advantages of being light in weight, convenient to carry and simple to operate and solving the problems that the existing double-hook wire fastener is limited in extend and withdraw distance and large in labor intensity of operators.

The invention discloses a pillow type automatic packaging machine. The pillow type automatic packaging machine structurally comprises a point section machine body, a controller, a distribution box, asealing groove device, a base, an assembling box, a transfer table and a packaging film roller. When the pillow type automatic packaging machine is used, through an arranged progressive cutter mechanism, the situations that a packaging film is prone to sliding, consequently, a packaging bag is cut obliquely, and the appearance is not attractive can be avoided; meanwhile, due to the fact that a cutting blade is of a tooth-shaped structure, the situation that a hook wire adheres to the cutter is prone to occurring, the cleanliness of next cutting is affected, and blockage is generated are avoided; in the packaging process of the pillow type automatic packaging machine, through cooperation of a progressive reaction device, a pressing groove plate and a fixing square block press the passing packaging film in advance, anti-skid auxiliary positioning is conducted, and then a cutter set cuts the packaging bag neatly; and meanwhile, through mutual cooperation of a fan-shaped hinge and a crossed brush, the cutter set can make contact with the fan-shaped hinge in the returning process, the hook wire of a tooth part is brushed down, and the machining efficiency of the pillow type automatic packaging machine is improved.

The invention discloses a pulper for papermaking machinery. The pulper structurally comprises a machine base, a vertical frame, a tank body, a control box, a balance fixator, a driver, a lifting column, a telescopic dustproof cover, a driving shaft and a stirring shaft. The vertical frame is arranged at the left end of the top of the machine base, the tank body is movably installed in the middle of the vertical frame, the lifting column and the control box are installed on the right side of the tank body, and the control box is located in front of the lifting column. The pulper provided by theinvention has the beneficial effects that: four groups of rotary hook sleeves are arranged on a pulp homogenizing rod, coil springs are arranged on the rotary hook sleeves, hook wires are fully distributed on the coil springs, when the stirring shaft rotates clockwise, the coil springs are in an unfolded state, sugarcane skin impurities in pulp are hooked by the hook wires, and the phenomenon that lumps exist on paper due to the fact that impurities remain in the pulp is prevented.

The invention provides manufacturing technology of a polyvinyl-polyester hook wire. The manufacturing technology comprises the follow steps : 1) performing wire merging; 2) performing first twisting; 3) performing second twisting; 4) winding the twisted compound wire, the twist degree of which is 180-270, into a stranded wire with a yarn reeler; 5) performing slurry mixing in a slurry pool; 6) putting the stranded wire into the adjusted slurry; 7) removing 60-70% of slurry from the sized polyvinyl/polyester compound wire with a dehydrator; and 8) performing drawing setting of the sized compound wire through a wire waxing machine for 15-25 min, when the dryness of the obtained polyvinyl/polyester harness wire reaches 70-80%, performing manual waxing for 2-3 min, and performing air-drying after the wire passes through the wire waxing machine till the humidity is less than 3% to prepare the polyvinyl-polyester hook wire. The prepared polyvinyl-polyester hook wire is obviously enhanced in breaking strength, and reduced in expansion and contraction, and the friction coefficient is raised by 30-60%.

A loop inductance winding machine comprises a rack and a thread turning mechanism arranged on the rack, a line arrangement mechanism and a hook mechanism, a line tur mechanism includes a first drive structure, a first clamping structure connected to the first drive structure, a line arrange mechanism includes a magnetic re frame and a second clamping structure, the magnetic ring frame comprises atleast three clamping rollers arranged in a circumferential direction, a second drive structure that drives each of the pinch rollers to rotate, a third driving structure for driving the clamping coilof the clamping roller, wherein each clamping roller is correspondingly connected with the second driving structure through a coupling, the second clamping structure is used for clamping the inductive wire, and the hook mechanism comprises a fourth driving structure, a winding hook, a push rod and a push rod driving structure connected with the fourth driving structure. The ring inductance winding machine realizes winding of the magnetic loop through the wire turning mechanism, the wire arranging mechanism and the hook wire mechanism, and reduces the winding strength and improves the windingefficiency.