11 results about "Torque multiplier" patented technology

The application provides an adjustable torque multiplier checking device and relates to the technical field of torque multiplier checking. The bottom support is provided with linear guide rails on both sides, a moving frame is slidably installed on the upper side of the linear guide rails through a sliding seat, an installation plate is fixedly installed on the lower side of the bottom support, a multiplier fixing plate is fixedly installed on the upper side of the bottom support, a large-range torque sensor is fixedly installed on the upper surface of the installation plate, a small-range torque sensor is fixedly installed on the inner upper end of the moving frame, and a first adapter is installed on the input end of the large-range torque sensor and the small-range torque sensor. The second adapter is internally provided with a movable shaft which can move up and down, and the foot-operated operation of the control assembly can realize the quick automatic connection and disconnection with the input end of the torque multiplier, significantly reduces the installation process and checking preparation time, simplifies the disassembly and replacement process, and improves the checking preparation efficiency.

The torque multiplier comprises a core transmission assembly, a torsion head, a driving square head and a counter-force mechanism, the torsion head is arranged at the top of the core transmission assembly, the counter-force mechanism is arranged at the bottom of the core transmission assembly, and the driving square head is arranged at the bottom of the counter-force mechanism; the counter-force mechanism comprises a circumferential gear, a connecting plate, a vertical counter-force arm, a limiting sliding groove, a plurality of limiting holes, a sliding block, a spring pressing column, a transverse counter-force arm, a ball sliding groove, a ball limiting groove and an adjusting assembly. The adjusting assembly comprises an adjusting ball, a nut cylinder and a limiting ring. According to the scheme, the bearing capacity of the torque multiplier to counter-acting force is greatly improved, equipment can operate more stably, and torque fluctuation of the output shaft can be obviously reduced.

The utility model relates to the technical field of mechanical assembly, and discloses a simple torsional moment multiplier which comprises a torsional moment multiplier body, the torsional moment multiplier body is rotationally connected with an input shaft, the outer wall of the input shaft is fixedly connected with a main gear, and a plurality of pinions are rotationally installed in the torsional moment multiplier body; a gear ring is fixedly connected to the inner wall of the torsional moment multiplier body, an output block is installed on the outer wall of the bottom of the torsional moment multiplier body, a sleeve is arranged on one side of the output block, a limiting groove is formed in the inner wall of the output block, the output block is slidably connected with two trapezoidal clamping blocks, a butt joint groove is formed in the inner wall of the sleeve, and a clamping groove is formed in the inner wall of the sleeve. The whole replacement process does not need extra tools, the operation steps are simple and easy to understand, the sleeve replacement time is greatly shortened, the working efficiency is remarkably improved, the labor intensity is reduced, the structure is stable and reliable, and the risk that the sleeve falls off during working is effectively avoided.

The application discloses a large-torque nut dismounting and tightening device, which comprises a base, a supporting and clamping assembly, a supporting rod assembly, a first chuck assembly and a force applying and driving assembly. The supporting and clamping assembly is used for clamping a locking nut arranged on a second end long shaft from two opposite sides of the second end long shaft. The first chuck assembly is used for clamping a locking nut arranged on an outer circle of a first end long shaft. The first chuck assembly has lever shafts extending into cantilever arms along opposite sides of the first end long shaft. The force applying and driving assembly is vertically arranged on the base and has upper ends connected to outer side ends of the lever shafts, so that the first chuck assembly can be clamped and rotated by a set angle under the action of a downward pressure to be dismounted or tightened. The device is particularly suitable for a test bench without space for using a torque multiplier. The device can avoid damaging fasteners and equipment by drilling and cutting on site, and greatly improves the dismounting efficiency.

One embodiment of the present application provides a rotor shaft locking nut dismounting device and method. The axial locking force of the locking nut is "unloaded" or "loaded" by a hollow hydraulic cylinder and each force transmission part, and the wrench torque is amplified by a large gear and a small gear and a torque multiplier, so that the dismounting and mounting of the heavy load locking nut of the helicopter rotor shaft are solved, the heavy load locking nut is not damaged and can be reused, and the helicopter rotor shaft disassembly and assembly are ensured and facilitated.

The present invention is directed to a load bearing direct-drive system and a variable process control system for efficiently managing the operation of fans in a cooling system such as a wet-cooling tower, air-cooled heat exchanger (ACHE), HVAC system, blowers and centrifugal blowers, mechanical towers or chiller systems. In one embodiment, the load bearing direct-drive system comprises a load bearing torque multiplier device having an output rotatable shaft connected to a fan, and a load bearing motor comprising a rotatable shaft that drives the load bearing torque multiplier device.

The utility model relates to the technical field of torque multipliers, in particular to a torque multiplier for wind power, which comprises an input shaft, a gear piece fixed at the end part of the input shaft, and an output shaft fixed at one end, far away from the input shaft, of the gear piece, and a clamping groove is formed in the side wall of the output shaft. A plurality of sleeves can be arranged on the inner wall of the clamping groove in a clamped mode, and large bolts of different models can be arranged on the sleeves in a clamped mode. The torque multiplier has the effect that the torque multiplier can conduct fastening work on large bolts of different models, and therefore the working range of the torque multiplier is enlarged.

The utility model discloses a turbine rotor fulcrum bearing mounting device which comprises a chassis, and a locking assembly, a first supporting assembly, a first mounting assembly, a second supporting assembly, a second mounting assembly and a third supporting assembly are sequentially arranged from one end to the other end of the chassis. The locking assembly is provided with sleeve teeth used for being matched with a spline of the rotating shaft. The first supporting assembly, the second supporting assembly and the third supporting assembly are all used for supporting a rotating shaft of the turbine rotor. The first mounting assembly and the second mounting assembly are both used for mounting the torque multiplier. The first supporting assembly, the second supporting assembly and the third supporting assembly are arranged for supporting from different positions of the rotating shaft, the locking assembly is arranged for ensuring that the rotating shaft cannot rotate around the axis of the rotating shaft, and the first mounting assembly and the second mounting assembly are arranged for mounting the torque multiplier; by means of the two torsion multipliers which can correspond to the two fulcrum bearings respectively, the two fulcrum bearings can be installed, the turbine rotor does not need to be turned over in the installation process, and safety is higher.

This invention discloses a tightening device and method for spline nuts on aero-engines, belonging to the field of aero-engine assembly technology. The device includes a movable support unit, a locking mechanism, a multi-directional adjustment mechanism, and a tightening gun assembly. The multi-directional adjustment mechanism includes a Z-axis adjustment mechanism, a Y-axis adjustment mechanism, and an X-axis adjustment mechanism, stacked sequentially, used to adjust the position of the tightening gun assembly in the Z, Y, and X directions, respectively. The tightening gun assembly includes an electric tightening gun, a torque multiplier, and a spline sleeve connected in sequence. The spline sleeve has an external spline at its end for engaging with the internal spline interface of the spline nut to be tightened. The method includes locking, alignment, engagement, and tightening / loosening steps. This invention ensures operational stability through the locking mechanism and achieves precise alignment between the spline sleeve and the nut through the multi-directional adjustment mechanism, effectively improving the efficiency, accuracy, and safety of tightening and disassembling spline nuts on aero-engines.

A drive axle system and a method of control. The method includes providing propulsion torque with an electrical machine to a vehicle wheel based on a torque command signal. A propulsion torque utilization amount is based on the torque command signal. A regeneration torque multiplier is based on the propulsion torque utilization amount and a signal indicative of speed of the vehicle. Regenerative brake torque is provided with the electrical machine to the vehicle wheel based on the regeneration torque multiplier.

1. Name of the product in this design: Torque multiplier for aviation. 2. Application of this design: Used in aircraft engines and gas turbines to transmit torque. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.