823 results about "Torque wrench" patented technology

The invention relates to a buoyancy tank wharf real-time assembly quality control method, and belongs to the technical field of port engineering automatic construction. According to the method, aiming at the problems of large geometric positioning deviation, uneven contact surface stress and difficulty in real-time control of attitude instability in buoyancy tank assembly, laser range finders are mounted at four corners of a buoyancy tank through a geometric positioning layer to monitor horizontal deviation, and pressure sensors are arranged on a butt joint surface through a mechanical sensing layer to generate a pre-tightening force curve; the attitude monitoring layer adopts a bottom inclination angle sensor to detect inclination; according to the horizontal deviation, the curve similarity deviation and the inclination angle deviation, the real-time management and control platform triggers a hydraulic adjusting mechanism, a torque wrench and a balance weight drive to conduct adjustment; meanwhile, data are stored through a buoyancy tank number, a timestamp and a sensor type three-dimensional index, and a rechecking instruction is generated based on the difference between the current adjusting quantity and the first three mean values. According to the invention, real-time control and dynamic adjustment of the assembly process are realized, and the modular assembly precision and safety of the floating wharf are improved.

The invention relates to an intelligent torque feedback and self-adaptive adjustment method and device and computer equipment, and the method comprises the steps: monitoring an actual torque value applied by an electric torque wrench in real time through a torque sensor; a preset target torque value is obtained, and the motor output torque of the electric torque wrench is automatically adjusted according to the target torque value and the actual torque value until the actual torque value reaches the target torque value; when the actual torque value reaches the target torque value, the electric torque wrench is controlled to be shut down, the current working condition is reported, and the working condition comprises the target torque value, the time for reaching the target torque, the number of times of completion and the number of times of failure, so that in the actual large-bolt fastening operation, the large-bolt fastening efficiency is improved. Through intelligent control, accurate torque adjustment, operation data recording and remote management, the purpose of improving operation efficiency and safety is achieved.

A test bench for checking correct operation of torque wrenches to be tested may include: at least one calibration station for a torque wrench, wherein the at least one calibration station includes a transducer, including a rotating head, configured to couple with a tool head of the torque wrench so that the tool head and the rotating head rotate in unison; an electronic processing unit configured to control the transducer according to predetermined tightening programs consistent with the torque wrenches to be tested; and a locking mechanism of the torque wrench, configured to lock a handle of the torque wrench when the tool head is coupled to the rotating head, wherein the locking mechanism includes an elongated guide, on which a slide moves longitudinally with respect to the handle of the torque wrench, wherein the elongated guide includes reaction bars that limit movement by the handle of the torque wrench.

A torque wrench calibration automation system comprises: a body part; a handle rotation drive part; and a handle push drive part, wherein the body part includes a calibrator that collects data, transmits the data, and receives control signals, a head fixing part that fixes the position of a head part of a torque wrench, a body part base with a flat top surface, and a handle base that moves linearly from the top of the body part base; the handle rotation drive part includes a handle rotation motor installed on the handle base of the body part, and a handle rotation module connected to the front end of the handle rotation motor and rotating the handle part of the torque wrench; and the handle rotation module includes an air pressure supply part that provides air pressure required when mounting or dismounting the handle part of the torque wrench.

The invention discloses an intelligent control method for a cutter changing robot of a shield tunneling machine, belongs to the technical field of automatic control, and aims to solve the problems of low hob changing efficiency, inaccurate decision, large positioning error and the like of the shield tunneling machine under a complex stratum. Hob state parameters are collected through multiple sensors, a three-level decision threshold value is constructed, dynamic adjustment is conducted through fuzzy logic, and intelligent hierarchical control over abrasion pre-judgment, early warning and emergency response is achieved. A multi-dimensional weighting model is adopted to calculate the priority of the abraded hob, a cutterhead path is optimized in combination with a dual-objective function, and an efficient execution sequence is generated. In the positioning link, through reverse path planning, PID compensation inertial slippage and cooperation of multispectral imaging and feature matching technologies, hob mark points are accurately extracted, pose deviation is corrected, and it is ensured that the hob mark points enter a robot working space. A double-station conversion table is integrated, synchronous exchange of a new cutter and an old cutter is achieved through hydraulic and servo control, force-position hybrid control is adopted for an end effector, and the disassembly and assembly stability is improved by combining with a torque wrench for staged operation.

The utility model relates to a tensioning device for a building block type screw. The tensioning device comprises a stretching piece, a pressing piece, a telescopic piece and a driving piece. The stretching piece is used for being connected with a locking piece of the building block type screw. The pressing piece is used for being connected with a thread element of the building block type screw. One end of the telescopic piece is connected with the stretching piece, and the other end of the telescopic piece is connected with the pressing piece; the driving part is connected with the telescopic part and used for driving the telescopic part to do telescopic motion. Compared with the prior art, the tensioning piece and the pressing piece only transmit axial force to the shaft core and the thread element, so that the transmission efficiency of the tensioning force is high, and compared with a radial screwing mode of a traditional torque wrench, radial load is not borne between the shaft core and the thread element, and the torque wrench is simple in structure and convenient to use. The problem that the friction coefficient is increased due to torsional deformation of the thread element and the shaft core spline is solved.

The invention relates to the technical field of electric torque wrench calibration, in particular to an electric torque wrench calibration device which comprises a calibration table and a rotating seat rotationally arranged above the calibration table, a calibration station is arranged on the rotating seat, and a calibration mechanism is arranged in an inner cavity of the calibration table. According to the electric torque wrench calibration device, the efficiency is improved through multi-station cooperation, four symmetrical calibration stations are arranged through a rotating seat, rotation is driven by combining a stepping motor, multi-station parallel operation is achieved, the calibration efficiency is improved by 3-4 times, and accurate positioning and automatic feeding are achieved; millimeter-level positioning precision is achieved, manual intervention is reduced, intelligent angle recognition and adjustment are achieved, a CCD camera module is combined with a PLC to recognize the angle of the sleeve in real time, a hydraulic damper rotating mechanism is driven to be automatically matched, and the calibration success rate is increased to 99% or above.

The invention belongs to the technical field of maintenance of upper reactor internals of a reactor, and particularly relates to a process and a device for maintaining a bolt locking cap of a control rod guide cylinder of an upper reactor internals. Comprising a bolt torque reinspection tool and a locking cap automatic bending tool. The bolt torque reinspection tool is matched with a torque wrench to realize reinspection of bolt torque; the automatic bending tool for the locking cap is used for controlling the bulging claw to correspond to a groove of a locking bolt head and driving the bulging claw to press downwards to bend the locking cap, so that looseness prevention of the bolt is achieved. The device has the beneficial effects that a bolt torque reinspection tool and an automatic locking cap bending tool are conveyed to a working area through a ring crane, and the field environment is not changed; the bolt torque reinspection tool and the locking cap automatic bending tool are both of a long-rod-shaped structure as a whole, an operator can perform remote operation on an operation platform, and whether the torque of the guide cylinder bolt meets the locking requirement or not can be inspected in cooperation with a torque spanner.

The invention discloses a bolt tightening rotation angle reachability prediction system for a tripping type torque wrench, and relates to the technical field of industrial intelligence. The method is used for solving the problem that the rotation angle reachability is difficult to predict under nonlinear friction interference. The method comprises the steps that firstly, a system obtains a dynamic tightening sequence and a static working condition context through a wrench communication interface, a composite heterogeneous input tensor is constructed through an entity embedding and sliding window algorithm, and multi-source data fusion is achieved; then, local spatial features and time-dependent features are extracted in parallel through a convolutional neural network and a long-short-term memory network, a high-dimensional spatial-temporal feature vector sequence is generated through cascade fusion, and a hidden layer friction state is captured; then, based on a self-attention mechanism, calculating an attention weight matrix and generating a context vector, calculating an estimated endpoint moment and a confidence probability value, and quantitatively evaluating rotation angle accessibility; and finally, mapping the confidence coefficient into discrete state codes by using a probability decoding function, packaging and outputting the discrete state codes, and constructing a closed-loop system from data perception to state pre-judgment.

The invention discloses a nut locking torque measuring device and method, and the device comprises a bottom plate, a torque measuring assembly, a clamping assembly, a one-way locking assembly and a driving assembly, the top of the torque measuring assembly is provided with a measuring end, the measuring end is detachably connected with a mounting part, and the clamping assembly comprises a mounting seat. Two clamping parts which are oppositely arranged are movably connected to the mounting seat, clamping surfaces are arranged on the two clamping parts, limiting blocks are arranged on the two clamping surfaces, the two sets of one-way locking assemblies are arranged on the mounting seat and used for locking the two clamping parts respectively, and the driving assembly is movably connected with the mounting seat. A first elastic piece is arranged between the driving assembly and the mounting base, and the driving assembly is used for driving the mounting base to move in the vertical direction and driving the mounting base to rotate. The torque wrench aims at solving the technical problems that a torque wrench is narrow in application range, high in cost and inconvenient to align and operate.

The utility model belongs to the technical field of nut wrenches, and particularly relates to a precise locking nut wrench which comprises a wrench body, two bearings are fixedly connected to the inner wall of the wrench body, and the same main shaft is welded to the inner sides of inner rings of the two bearings. The wrench body serves as a main body of the whole tool and is flexibly and rotationally connected with the main shaft through the bearing, the limiting sleeve is installed on the main shaft and used for limiting the stroke of the main shaft, the square hole is formed in one end of the wrench body, and the shape and the size of the square hole are designed to be matched with those of a torsion bar on a torsion plate. A user can directly sleeve the torsion bar on the torsion plate into the square hole to realize torque transmission and control of the wrench body, the locking part is a key part of the wrench body and is in direct contact with a locked nut, and when a torsion wrench applies torque, the torque is transmitted to the torsion bar through the torsion plate and then is further transmitted to the locking part of the main shaft, so that the nut is locked. Therefore, locking of the nut is achieved, and efficient and accurate locking operation is achieved.

The invention relates to the technical field of petroleum drilling, in particular to an intelligent dismounting and mounting device, system and method for a blowout preventer bolt, and aims to solve the problems that a large-size bolt is difficult to dismount and the working efficiency is low. The invention provides an intelligent dismounting and mounting device for a blowout preventer bolt. The intelligent dismounting and mounting device comprises an industrial robot, a flexible connecting mechanism, a floating mechanism, a torque wrench and a sleeve. The sleeve is installed on the torque wrench, the torque wrench is installed on the floating mechanism, the floating mechanism is installed on the flexible connecting mechanism, and the flexible connecting mechanism is installed on the industrial robot. The flexible connecting mechanism is used for driving the floating mechanism to swing around the axis of the floating mechanism and move along the axis of the floating mechanism. The floating mechanism is matched with the flexible connecting mechanism, so that the problem that the axes of the torque wrench, the sleeve and the bolt are not coincident and not concentric is solved, the sleeve and the bolt can be quickly positioned, the efficiency of disassembling and assembling the bolt is improved, and the disassembling difficulty of the bolt is reduced.

A hydraulic torque wrench system including a low profile power head connectable to a ratchet link is disclosed. The power head includes a housing having opposed side walls with a width therebetween. A first connection unit located on the front wall of the housing includes a front projection having a stem and opposed arms. The stem has opposed side walls that extend from the front wall of the housing to a radiused free end. The opposed arms extend laterally from the opposed side walls. The first connection unit is coupled a connection slot in the ratchet link. A second connection unit located on the bottom wall of the housing includes a bottom projection with a bore. The second connection unit is coupled to a bore in the ratchet link by a pin. The opposed arms span a distance that is less than or equal to the width of the housing.

A method of calibrating an electronic torque wrench (100) engaged with a torque tester (302) according to a specified calibration procedure that includes increasing an applied torque to a target torque value and a threshold time rate of change of the applied torque is provided. The method includes detecting an applied torque generated by a rotational force applied by an operator to the electronic torque wrench (100). The method includes, when an applied torque is detected, determining a torque value of the applied torque and a rate of change over time of the applied torque. The torque value and the time rate of change are compared with a target torque value and a threshold time rate of change, respectively. And output a notification to guide an operator with respect to a rotational force applied by the operator, and thereby with respect to an applied torque generated from the rotational force.

The utility model discloses a multifunctional maintenance manipulator for a blowout preventer, relates to the technical field of maintenance of the blowout preventer, and aims to solve the problems of high labor intensity and low working efficiency when bolts are detached during maintenance of the blowout preventer. A torque wrench is installed at the output end of the power-assisted manipulator and used for disassembling a bolt on the blowout preventer body, and the output end of the torque wrench is detachably connected with a disassembling and assembling sleeve.

The utility model relates to an ultrasonic instrument handle, an ultrasonic cutting instrument and an ultrasonic operation cutting system. The ultrasonic instrument handle comprises a rotary knob, an outer pipe connecting piece and a damping piece. An ultrasonic cutting instrument includes a transducer, an operating handle, a shaft assembly, and a torque wrench. According to the ultrasonic cutting instrument, when the knob is operated, under the action of the first torque and the second torque, the knob applies the rated torque sufficient for connecting the waveguide to the transducer to the outer tube connecting piece, and meanwhile, due to the existence of the damping piece, when an operator uses the instrument to conduct surgical operation after the handle and the transducer are well connected, the operation efficiency is greatly improved. When the rotary knob is rotated to adjust the shaft assembly, due to the fact that torsion not larger than the first torque exists between the rotary knob and the outer pipe connecting piece, the problem of idle stroke is avoided when the rotary knob is operated to drive the shaft assembly to rotate, and rotation of the rotary knob and the shaft assembly has synchronism.

The invention discloses a test method for a strain clamp, and the method comprises the steps: carrying out the crimping and drainage plate assembly of the strain clamp, and fastening a bolt on a drainage plate to a preset initial torque value through a digital display torque wrench; measuring the contact resistance of a drainage plate of the strain clamp; arranging a T-shaped thermocouple at a monitoring point position of the strain clamp; sequentially applying currents with different percent calculated current-carrying capacities to the strain clamp through a large current generator, and recording transient temperature rise data corresponding to each monitoring point position; and measuring the contact resistance and transient temperature rise data under different bolt torques under the current of each percentage calculation current-carrying capacity. According to the invention, the actual working state of the strain clamp under different drainage plate assembly conditions can be simulated, the bolt torque of the strain clamp is taken as an independent variable, the contact resistance between the drainage plates under different torques is measured, and the overall temperature distribution of the clamp is measured through the temperature measurement probe, so that the test accuracy is improved. Therefore, real-time measurement of three kinds of data of bolt torque, contact resistance and wire clamp temperature rise is realized.

A torque wrench for adjusting sound, comprising a plastic handle, and further comprising: a main pipe, and a ratchet actuating component and a rotation limiting assembly arranged on the main pipe, wherein one end of the main pipe is rotatably connected in the plastic handle; the rotation limiting assembly comprises a plurality of sink grooves evenly arranged in an annular manner on a side wall of the main pipe, and the rotation limiting assembly is configured to limit rotation of the plastic handle relative to the main pipe; the ratchet actuating component is configured to rotate a bolt, and the rotating plastic handle adjusts the preset torque of the actuating component; a placement hole is arranged on a side wall of the plastic handle, and a first steel ball and a small spring are arranged in the placement hole.

The utility model belongs to the technical field of wrenches, and particularly relates to a digital display torque wrench which comprises a wrench main rod, a wrench head and a digital display instrument used for displaying torque, the wrench main rod, the wrench head and the digital display instrument form the torque wrench, the digital display instrument is embedded in the front face of the wrench main rod, the wrench head is installed at the left end of the wrench main rod, and the using end of the wrench head faces backwards. A static ring and a movable ring are arranged on the wrench main rod, the digital display instrument is located between the static ring and the movable ring, and a transparent protective cover is detachably installed between the static ring and the movable ring. According to the utility model, the transparent protective cover is arranged on the front side of the digital display instrument, so that the digital display instrument is protected, is prevented from being touched by foreign objects, and is prevented from being scratched, the transparent protective cover does not influence the reading of the digital display instrument, and when the transparent protective cover is used for too many times, the surface of the transparent protective cover is abraded, and the definition is influenced; and the transparent anti-skid cover can be replaced so as to guarantee the long-term use of the digital display torque wrench.

The utility model discloses a folding structure of a torque wrench, which comprises a handle and a wrench arranged at the front end of the handle, a plurality of rotating grooves are arranged on the peripheral wall of the handle, the depth of the rotating grooves is deepened from front to back, and rotating rods are rotatably arranged on the rotating grooves; an inserting groove is formed in the rear end of the handle, a telescopic rod is arranged in the inserting groove in an inserted mode, a plurality of embedding grooves corresponding to the rotating rods are formed in the outer wall of the telescopic rod, and the depth of the embedding grooves is increased from front to back; a limiting block is arranged at the end of the telescopic rod, and a fixing lantern ring is arranged on the telescopic rod. Compared with the prior art, the torque wrench has the advantages that the rotating rod is pressed into the embedding groove in the telescopic rod, the fixed lantern ring and the sliding lantern ring are used for stably fixing the rotating rod, the service life of the torque wrench can be effectively prolonged, and therefore safety and reliability of the torque wrench are guaranteed.

A torque wrench having post-torque rotation setting and measurement function, optionally including auto transition from torque to angle rotation, which may operation with and without batteries, including low profile design, improved visual, audio and haptic feedback, a recesses pawl seat for improved accuracy and longevity and improved handle rotation for torque setting and spring unwinding by virtue of improved torque setting nut design.

A surgical kit and related methods of assembly and disassembly include a surgical instrument having an end effector, a shaft assembly, and a body assembly. The surgical instrument includes a predetermined access portion configured to be at least partially removed for accessing an interior therein. The surgical kit also includes an instrument tool assembly with a tool body, a torque wrench connected to the tool body, and a removal portion for gaining access to the interior of the surgical instrument.

The utility model belongs to the technical field of disassembly and assembly tools, and particularly relates to an electric wrench which comprises a wrench body, an open gear, a driving assembly and a reverse torque wrench. The wrench main body is provided with an imbedding opening communicated with the cavity of the wrench main body; an opening in the open gear communicates with an inner ring of the open gear to form a first jaw, and the open gear is rotationally arranged in the cavity. The driving assembly is in transmission connection with the opening gear; a second jaw is arranged on the reverse torque wrench, the reverse torque wrench is arranged outside the wrench body, and the opening direction of the second jaw is the same as the opening direction of the placing opening. According to the electric wrench, a first jaw on an open gear and a second jaw on a reverse torque wrench can be clamped on a screw head and / or a nut connected to a pipeline respectively, and the open gear can be driven by a driving assembly to rotate, so that the screw head and the nut connected to the pipeline rotate relatively, and the screw head and the nut are tightened or loosened; disassembly and assembly of the screw head and / or the nut can be rapidly completed, and therefore the maintenance efficiency of a pipeline is improved.

The invention discloses a compressor rotor pressing device and a pressing method.The compressor rotor pressing device comprises a reducing clamp, a pressure mechanism and a torque spanner, the outer diameter of the reducing clamp can be adjusted in a tensioning mode, and the reducing clamp is used for penetrating through a pull rod locking nut in the axial direction and being in threaded connection with an inner hole of a center pull rod so as to clamp and fix the center pull rod; the pressure mechanism is mounted on the variable-diameter clamp, is used for abutting against the rotor, and is also used for applying axial pressure to the rotor and applying axial tension far away from the direction of the rotor to the variable-diameter clamp; the torque wrench is used for being clamped on the pull rod locking nut and applying torque force to the pull rod locking nut so as to lock the center pull rod with the axial force reaching the preset range. For a gas compressor rotor assembly with an inner hole of a pull rod locking nut smaller than an inner hole of a center pull rod, the device can extend into the inner hole of the pull rod locking nut to be connected with the center pull rod to form an integral structure, the pressing requirement of axial force is met through internal threads of the center pull rod, and the safety and reliability of gas compressor rotor assembly are guaranteed.

The invention discloses a thin-wall weak-rigidity flat casing machining method which comprises the following steps that S1, a part is pressed and fixed to a clamp, then a preliminary outline of a precise hole set on a part mounting edge is machined step by step through drilling, hole burying and rough boring, and the rough boring machining amount is controlled within a set range; s2, the part is taken out of the clamp, the part is pressed and fixed again, in the pressing and fixing process, a layered uniform distribution pressing method is adopted to be matched with a torque wrench to press and fix the part layer by layer step by step, the torque wrench is controlled within the set torque, meanwhile, the maximum deformation amount of the part is checked in real time when a pressing plate presses each time, and the maximum deformation amount of the part is determined; it is ensured that the part deformation is controlled within the set run-out value; s3, a complete outline of a precise hole group on the mounting edge of the part is machined step by step through semi-fine boring, fine boring and reaming, and the reaming machining amount is controlled to be a set value; compared with the prior art, the position of the precise hole in the part mounting edge is accurate and reliable, and the machining qualification rate of the part is high.

A method is provided for determining a torque value of a torque applied by an electronic torque wrench that includes a handle, a square drive and a strain gauge. The method includes measuring an angular velocity and a normal acceleration of the handle as the handle is rotated relative to the square drive, and finding a length of a moment arm from the square drive to the handle based on the angular velocity and the normal acceleration. The method includes measuring a bending moment of a rotational force at the strain gauge that is located at a known distance from the handle, the bending moment measured as the rotational force is applied at the handle that produces the torque at the square drive. And the torque value is determined based on the bending moment, the length of the moment arm and the known distance.

The method of configuring an electronic torque wrench (100, Figure 1) with an external device 160 includes establishing a wireless communication connection 170 between the wrench and the external devi

1. The name of the product of this design: Torque wrench handle (PLH15). 2. Purpose of this design product: used for torque wrench handle. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The application discloses a device and method for adjusting the radial installation angle of the jet hole of a precombustion chamber spark plug, which comprises a sleeve, a sleeve extension rod and a torque wrench, the sleeve extension rod is connected with the sleeve, the torque wrench is arranged on the upper portion of the sleeve extension rod, the sleeve is an outer hexagonal sleeve, and the device further comprises an angle pointer and an angle scale dial, the angle scale dial is fixed on a cylinder head, and the angle pointer is buckled on the sleeve extension rod and located above the angle scale dial. The device increases the angle pointer and the angle scale dial on the basis of the sleeve extension rod and the torque wrench, can adjust the jet hole angle of the precombustion chamber spark plug, and makes the jet hole of the precombustion chamber spark plug be at an angle more favorable to the combustion in the cylinder.

The invention discloses a tool and a method for testing the construction quality of a welding stud of a bottom brick of a float tin bath. The tool comprises a torque wrench, a fixed seat, a transmission rod, a sleeve and a rotating part, the fixing seat is arranged on the upper surface of a tin bath bottom brick, one end of the transmission rod penetrates through and extends out of the fixing seat, the torque wrench can be matched with the extending end of the transmission rod, one end of the welding stud is welded to the bath bottom face of the steel shell, the sleeve can be arranged at the other end of the welding stud in a sleeved mode, and the other end of the transmission rod extends into the sleeve and is movably connected with the sleeve. The rotating piece is arranged in the fixing base and arranged at one end of the transmission rod in a sleeving mode. According to the tool and the method, the transmission rod is matched with a rotating piece such as a thrust ball bearing, so that torque can be effectively transmitted, and accuracy and effectiveness of testing are guaranteed. The tool is easy to manufacture, convenient to test and operate, and suitable for testing the welding studs in the tin bath bottom bricks with different taper hole heights.