399 results about "Torque wrench" patented technology

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.

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.

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.

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.

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.

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 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 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.

The invention discloses a tool for detecting the inner diameter and the outer diameter of a stator core. The tool comprises a chuck body and a plurality of chuck blocks. The chuck blocks are arranged along the circumference of the center axis of the chuck body in an array mode, each chuck block is vertically provided with a clamping face facing the center axis of the chuck body, a limiting space for containing a stator iron core is defined by the multiple clamping faces, a torque wrench is vertically arranged on the chuck body, and the torque wrench is arranged in the limiting space. The torque wrench can adjust the pressure value of the plurality of chuck blocks applied to the periphery of the stator core so as to simulate the stress state of the stator core after plastic-coated welding. A method for detecting the inner and outer diameters of a stator core comprises the following steps: placing a detection product; locking torsion on the tool; detecting the inner and outer diameters of the stator core through a three-coordinate measuring instrument; and judging whether the stator core is qualified or not according to measurement data. The device is simple in operation, can rapidly and accurately measure the internal and external diameters of the stator core, and improves the detection efficiency of the internal and external diameters of the stator core.

The utility model discloses a torque wrench calibrating appearance belongs to testing instrument technical field, it is including: the calibration subassembly, the calibration subassembly is used for fixing the one end of measured piece and measures and records the torque of measured piece output, slide rail, the slide rail is connected in one side of calibration subassembly, loading assembly, loading assembly sliding connection is in on the slide rail, the loading assembly is used for fixing the one end of measured piece away from calibration subassembly, and drives its along the direction perpendicular to the slide rail removal, protection component, protection component sets up between calibration subassembly with loading assembly, and protection component covers and sets up in its inside with measured piece, the torque wrench calibrating appearance of one kind provided in the application utilizes protection component to cover measured piece as the protective measure, can effectively eliminate the measured piece burst and pop out because of the excessive torque, and the security risk of constitution, improves the safety and reliability when calibrating measured piece.

The invention relates to the technical field of machining and the detection field, in particular to a reliability test method for a bearing after installation. The torque wrench can conveniently apply the torque to the bearing outer ring, and the situation that a person judges the fixing reliability of the bearing outer ring through hand feeling is replaced.

A torque wrench such as a power wrench has a drive motor with an intermediate gearbox connected downstream of the drive motor and with a bolting gearbox connected downstream of the intermediate gearbox as a planetary gearbox with a bolting tool part on the output side, and with a housing with at least one handle in which the drive motor and the intermediate gearbox are arranged in sequence. The drive motor is non-rotatably arranged and fixed in the housing, and the intermediate gearbox is rotatably mounted in the housing and is non-rotatably connected to a ring gear of the planetary gearbox, so that, during a bolting operation, only the reaction forces occurring on the housing as a result of the drive motor have to be supported by an operator, and the reaction forces occurring as a result of the intermediate gearbox are supported by the torque support foot.

The utility model relates to the technical field of torque calibration tools, in particular to a torque calibration device for a rail transit vehicle fastener. Comprising a torque wrench body and an identification assembly, and the identification assembly comprises a handle, a mounting cylinder, a mounting plate, a micro electric push rod, a connecting plate, a limiting disc, an identification pen body, a guide component and a limiting component. Therefore, an operator can reduce the number of carried tools, and the problems that an existing torque wrench does not have a marking function during use, so that the operator needs to additionally carry marking tools, the number of carried tools is greatly increased, and inconvenience is brought to the operator in use can be solved.

An electronic torque wrench having a heat-treated hardened steel alloy spacer in a narrowed area of the wrench head. One end of the spacer is secured to one side of the narrowed area of the wrench head. A gap is provided between a free end of the spacer and an opposite side of the narrowed area. During operation of the tool within its rating, the gap remains open. However, when the rated torque is exceeded, the tool will begin to bend, closing the gap and causing the free end of the spacer to contact the adjacent face of the wrench head. The force of any additional torque applied is borne, at least in part, by the hardened torque-limiting spacer rather than by the wrench head.

A torque wrench includes a tubular body and a handle rotatably connected to one end of the tubular body. The tubular body has at least one positioning groove. The handle is made of a plastic material and has a reinforcing member made of metal and corresponding to the positioning groove. The reinforcing member has a positioning hole. A positioning member is accommodated in the positioning hole. A control bushing is slidably sleeved onto the handle. The control bushing can press and force the positioning member to partially extend out of the positioning hole and to be engaged in the positioning groove. In light of this, the torque wrench can effectively avoid damage caused by a user's operation error.

The present application relates to the technical field of torsion test, and discloses a camshaft torsion test device, which comprises an exhaust cam, an intake cam, a fixing base, a camshaft segment, an adapter, a first limiting piece, a second limiting piece, a connecting bolt and a nut, the camshaft segment comprises a body and a sleeve protruding from one end of the body, the exhaust cam and the intake cam are sleeved on the sleeve, the adapter is installed on the other end of the camshaft segment, the first limiting piece is used for limiting the rotation of the exhaust cam relative to the body, and the second limiting piece is used for limiting the rotation of the intake cam relative to the fixing base; the connecting bolt is threaded through the fixing base and the sleeve and is screwed with the body; the nut is screwed with the connecting bolt and is used for giving the fixing base a pre-tightening force, so that the fixing base, the intake cam, the exhaust cam and the body are tightly abutted in sequence, the adapter is connected with a torque wrench to provide a set torque value, and whether the exhaust cam and the intake cam have relatively rotated is observed to determine whether there is a use risk after installation.

The invention discloses a torque measuring device for a limiting spring. The torque measuring device for the limiting spring comprises a bottom plate, a bearing, a driving cylinder and a torque wrench. The limiting spring is fixed in a spring fixing seat of the bottom plate, and an opening of the spring fixing seat faces the tangential direction. As the driving cylinder can rotate around the central column to drive the test pin connected to the driving cylinder to rotate around the central axis of the central column, the test pin can accurately enter through the U-shaped notch and extrude the two first arc-shaped sections of the limiting spring, so that the two first arc-shaped sections are expanded and deformed and enter the limiting spring; the rotation torque of the driving cylinder can be accurately measured by the torque wrench, so that the limiting torque of the limiting spring can be accurately and rapidly detected by adopting the limiting spring torque measuring device.

The invention discloses a device for applying torque to a tower bolt of a wind generating set and a using method of the device. The device comprises a supporting platform, a vertical telescopic support, universal wheels, a steering supporting module, a torque wrench lever support, a torque wrench and a torque pump. The vertical telescopic support is installed on the supporting platform, the steering supporting module is installed on the top of the vertical telescopic support, the torque wrench lever support is installed on the steering supporting module, the torque wrench is installed at the front end of the torque wrench lever support, and the universal wheels are arranged at the bottom of the supporting platform. The steering supporting module serves as a fulcrum of the torque wrench lever support to form a lever effect, a user can lift up the torque wrench at the front end by operating the tail end of the torque wrench lever support with small force, and the angle of the torque wrench lever support can be conveniently adjusted through the steering supporting module. And the position of the torque wrench is adjusted, so that the torque wrench can be aligned with the bolt to be fastened.

The utility model discloses a moment on-line detection device convenient to operate, and relates to the technical field of moment detection, the moment on-line detection device comprises a mounting rack, the top of the mounting rack is provided with a press machine used for moment detection, the middle part of the mounting rack is fixedly provided with a mounting plate through bolts, and the mounting plate is used for mounting and limiting a detection mechanism; the fixed part is a fixed end of the detection mechanism and is used for installing a driving end of the detection mechanism; and the driving part is a driving end of the detection mechanism, is used for driving the detection part of the detection mechanism to rotate, and is matched with the pressure machine to detect the generated torque. According to the torque online detection device convenient to operate, a brake torque detection system high in automation degree is formed through cooperation of the installation frame, the press machine, the fixing piece and the driving piece, and compared with traditional detection through a torque spanner, tedious manual installation and operation steps are not needed, and the detection process is more efficient and faster.

The invention provides a control method and device based on a digital display torque wrench and electronic equipment, and relates to the field of torque wrenchs.The method comprises the steps that torque output operation acting on the digital display torque wrench is responded, and operation torque corresponding to the torque output operation is obtained; determining a proximity difference value between the current total operation torque and a preset torque according to the operation torque of each time; the response proximity difference value is smaller than the preset difference, and the reset angle limited by the reset operation currently corresponding to the digital display torque wrench is judged according to the current proximity difference value; controlling a reset angle correspondingly limited by the digital display torque wrench to be adjusted to a target reset angle correspondingly limited by the current proximity difference value through a gyroscope and a gradienter so as to prevent the digital display torque wrench from being excessively applied with torque; wherein the gyroscope is used for detecting and limiting a reset position, and the gradienter is used for detecting and limiting a reset angle; the technical problems of overload and precision deviation caused by the fact that an operator mistakenly applies extra torque in the using process of the torque wrench are solved.

The application relates to a steel structure module connecting joint stress monitoring device and relates to the field of steel structure module connecting joint stress monitoring devices. The device comprises a torque test assembly and a displacement test assembly. The torque test assembly comprises a digital torque wrench, a horizontal rod connecting frame and a vertical rod connecting frame. The horizontal rod connecting frame is fixedly connected to the head of the horizontal rod connecting frame. The vertical rod connecting frame is arranged in parallel below the horizontal rod connecting frame and is fixedly clamped to the lower end of the digital torque wrench. The displacement test assembly comprises a vertical rod clamping seat and a displacement sensor. The steel structure module connecting joint stress monitoring device simultaneously has the torque test assembly and the displacement test assembly, can simultaneously monitor the torque and displacement of the steel structure module connecting joint, and can comprehensively and accurately understand the stress condition of the connecting joint by monitoring the two key parameters of the torque and the displacement.

The utility model discloses an engine valve clearance combination tool belongs to frock technical field, solved the traditional method to rely on operator's experience and hand feeling, and the adjustment precision is difficult to guarantee and the operation complex and time -consuming problem. The engine valve clearance combination tool, including adjusting handle, adjusting wrench, both ends of adjusting handle are equipped with adjusting screw rod, the adjusting screw rod with adjusting handle between being equipped with conical body, the outer wall surface of adjusting handle both ends is hexagonal structure, adjusting wrench including ratchet sleeve, torque wrench, the detachable of ratchet sleeve installs one end at torque wrench, the upper portion of ratchet sleeve inner wall is equipped with with hexagonal structure's inner hexagonal structure, the lower portion of ratchet sleeve inner wall is equipped with with the outer wall surface of conical body's conical surface. The utility model discloses an engine valve clearance combination tool, effectively improves work efficiency and adjustment precision.

The utility model discloses a hydraulic torque wrench comprehensive test bench comprising a test work panel, the test work panel is provided with a torsional force detection assembly, and a torque sensor of the torsional force detection assembly is connected with the test work panel and a mounting sleeve through bolts. The transition head is connected with the sensor connecting flange through a transition spline, the test working panel is provided with a counter-force assembly in the radial direction of the torsional force detection assembly, the counter-force assembly comprises a frame, a clamp which is opened and closed along the guide mechanism is installed in the frame, and the movable end of the clamp is in linkage with the driving mechanism. And one end of the hydraulic torsion wrench is mounted with the torsion force detection assembly, and the other end of the hydraulic torsion wrench is clamped and limited in the clamp, so that hydraulic wrenches with different sizes can be clamped, and the applicability is improved.

The utility model relates to the technical field of advanced manufacturing and automation, and discloses a hand-operated torque wrench with a length-adjustable handle, which comprises a first handle, and a movable groove is arranged in the first handle. The hinge is arranged on one side of the first handle; the protective cover is arranged on one side of the first handle; the extension assembly is arranged in a movable groove formed in the first handle; the driving assembly is arranged in a movable groove formed in the first handle; wherein the driving assembly comprises a limiting part, a driving part and a driving part, and the limiting part is arranged in a movable groove formed in the first handle; the movable part is arranged in a movable groove formed in the first handle. The driving assembly is started, the driving assembly operates to drive the second bevel gear to rotate, the second bevel gear rotates to drive the first bevel gear to rotate, the first bevel gear rotates to drive the threaded rod to rotate, the threaded rod rotates to drive the second handle to move, the second handle moves to drive the fixing block and the wrench head to move, and therefore the effect of adjusting the length of the handle is achieved.

The utility model relates to a detachable and convenient tower barrel torque wrench operation tool which comprises an anti-skid rubber pad, a lower chassis support, a supporting rod, a rotating support, a force arm balance rod, a torque wrench adjusting rod and a hydraulic pump station hanging supporting rod. The anti-skid rubber pad is installed at the bottom of the lower chassis support, the supporting rod is installed in the center of the top of the lower chassis support, the rotating support is rotationally installed at the top of the supporting rod, the force arm balance rod is rotationally installed in the rotating support through a pin shaft, and the torque wrench adjusting rod is telescopically connected to one side in the force arm balance rod in a sleeved mode. A torque wrench mounting sleeve is arranged on the side, away from the force arm balance rod, of the torque wrench adjusting rod, the hydraulic pump station hanging supporting rod is arranged on the side, away from the torque wrench adjusting rod, of the force arm balance rod in a penetrating mode, the hydraulic pump station is hung on the hydraulic pump station hanging supporting rod, and the torque wrench is clamped on the torque wrench mounting sleeve in a sleeving mode. According to the utility model, the moment installation time and personnel investment of the fan tower drum can be effectively reduced, the tower drum installation efficiency is improved, and the resonance collapse risk of the tower drum is reduced.