727 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.

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.

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 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.

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 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.

A torque wrench comprises: a main body having an outwardly open receiving space; a working section having an inner rod section combined with the receiving space and a working head connected to the inner rod section and exposed outside the main body; a torque sensor arranged on the inner rod section of the working section; a trigger unit arranged in the receiving space of the main body and movably connected to the inner rod section of the working section; a torque setting unit for applying a predetermined torque to the trigger unit; and a controller arranged on the torque wrench and electrically connected to the torque sensor and the torque setting unit.When the force applied to the working section is greater than the specified torque, the torque adjustment unit drives the trigger unit so that the working section immediately stops receiving force, preventing improper operation by the user and preventing the locking force from exceeding the load capacity of the components. This ensures that the locking force of the components meets the specifications.

The utility model relates to the technical field of constant value type torque wrenches, in particular to a novel constant value type torque wrench which comprises a shell body, a connector is arranged at the left end of the shell body, a controller is installed on the top face of the shell body, a holding structure is installed on the shell body, and the holding structure comprises a fixing block. The fixing block is fixedly connected to the right end of the shell body, the right end of the fixing block is rotationally connected with a connecting block through a rotating shaft, the right end of the connecting block is rotationally connected with a rotating block through a rotating shaft, a limiting guide block is integrally formed on the outer wall of the rotating block, and a coil spring is fixedly connected to the joint of the connecting block and the fixing block and the joint of the connecting block. The rotatable connecting block and the rotatable rotating block are arranged and matched with the holding sleeve, so that the holding direction can be adjusted, the operation experience is guaranteed, the extension of the holding structure in the length direction of the device is reduced, the occupied space of the device during use can be reduced, and the practicability of the device can be improved.

The utility model relates to a torque wrench facilitating force application, and relates to the technical field of bolt tightening, the torque wrench mainly comprises a counter-force arm device, the counter-force arm device comprises a connecting plate, the connecting plate is detachably mounted at the head of the torque wrench, and a mounting hole allowing the head of the torque wrench to penetrate through is formed in the connecting plate; the connecting plate comprises a first connecting part and a second connecting part, the width of the second connecting part is smaller than that of the first connecting part, the mounting hole is formed in the first connecting part, a limiting pin is detachably mounted on the second connecting part, and the limiting pin is matched with an adjacent bolt hole in a fastener. By means of the bolt fastening device, an operator can conveniently conduct bolt fastening machining in a narrow space, and meanwhile the situation that the operator is injured due to counter-acting force is reduced.

The utility model relates to the field of bridge prefabrication and assembly, and discloses an electric torque wrench auxiliary moving device which comprises a base, moving wheels are arranged at the bottom of the base, a connecting plate is arranged above the base in a liftable mode, an angle-adjustable supporting plate is arranged above the connecting plate, and a clamping assembly is arranged at the upper end of the supporting plate. The clamping assembly comprises a mounting plate slidably connected with the supporting plate, two clamping plates capable of synchronously and reversely sliding are arranged on the mounting plate, and a containing cavity for containing the electric torque wrench is formed between the two clamping plates; according to the lifting device, the electric torque wrench can be lifted and supported instead of manual work, the labor intensity of workers is reduced, and the working efficiency is guaranteed.

The invention discloses bolt dismounting and mounting equipment and a method for replacing a bridge support through the bolt dismounting and mounting equipment, the bolt dismounting and mounting equipment comprises a movable body, a torque wrench assembly, a camera module and a control module, the torque wrench assembly comprises an operation arm and a torque wrench, one end of the operation arm is installed on the movable body, and the other end of the operation arm is installed on the camera module; a torque wrench is mounted at the other end of the operating arm, the operating arm is used for fixing the torque wrench to a to-be-dismounted bolt, and the torque wrench is used for rotating the to-be-dismounted bolt according to a preset torque so as to dismount or mount the to-be-dismounted bolt; the control module is connected with the movable body and the torque wrench assembly, the control module is connected with the remote operation mechanism, and the remote operation mechanism is used for controlling the movable body and the torque wrench assembly through the control module. By means of the bolt dismounting and mounting equipment, the torque wrench can be precisely in butt joint with the support bolt, the dismounting and mounting torque can be controlled through the torque wrench, and the situation that the service life of a bridge support is affected due to the fact that the bolt slips or the mounting precision cannot be guaranteed is avoided.

1. The name of this design product: Lithium-ion battery angled torque wrench. 2. Purpose of this design product: used for tightening screws. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

1. The name of the design product: torque wrench (insulation digital). 2. The use of the design product: for clamping live bolt. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The utility model relates to a kind of full-automatic calibration device of angle torque wrench, comprising: bearing main body;Angle torque sensor is arranged on bearing main body;Driving mechanism is installed on bearing main body, driving mechanism and angle torque sensor have interval, and driving mechanism is used to drive cantilever mechanism to rotate around angle torque sensor;One end of cantilever component is connected with angle torque sensor, and cantilever component is connected with the movable end of driving mechanism;Force arm stopper is slidably connected on cantilever component, and force arm stopper is used to fix the force arm of angle torque wrench;Visual measurement unit is arranged on cantilever component;Control and data processing module are connected angle torque sensor and driving mechanism.The full-automatic calibration device of the utility model can realize the full-automatic calibration of angle torque wrench angle and torque, and is suitable for the full-automatic calibration of preset type, digital display type and pointer type torque wrench, belongs to angle torque wrench calibration technical field.