296 results about "Loading arm" patented technology

The utility model belongs to the technical field of bearing testing, and relates to an oversize turntable bearing rigidity testing device. The related testing device is provided with a testing platform. A driving assembly which is connected with the test bearing inner ring and drives the test bearing inner ring to rotate is placed on the test platform; the driving assembly is provided with a transition flange connected with the inner ring of the test bearing; the transition flange plate is supported on the test platform through a driving bearing; a loading arm is arranged above the transition flange plate; the loading arm is connected with the outer ring of the test bearing; a radial oil cylinder is arranged at one end of the loading arm; and an axial oil cylinder and an overturning oil cylinder are also arranged corresponding to the loading arm. According to the utility model, the rigidity of the bearing can be tested under the action of different axial forces, radial forces and overturning moments, so that the change of the rigidity of the bearing can be analyzed and tested under the influence of various working conditions.

The invention discloses a biaxial tension-shear loading test fixture compatible with various connection forms, comprising: an upper pair of porous loading discs and a lower pair of porous loading discs which are oppositely arranged, each porous loading disc is of a quarter circular structure, and the center of each porous loading disc is provided with a rectangular notch; the loading angle holes are formed in the circumferential direction of the porous loading disc at intervals; one end of each loading arm is arranged between the two porous loading discs which are arranged at an interval; the two groups of pin connection systems are used for detachably connecting the loading arms with the porous loading disc; the two test piece mounting mechanisms are oppositely arranged; the plurality of disc fastening systems are used for detachably connecting the test piece mounting mechanism with the porous loading disc; the test piece mechanism comprises two trilobal test pieces, and the two test pieces are relatively fixed at the center after 60 degrees are relatively selected by taking the center of the structure as an original point; and the plurality of test piece fastening systems are used for detachably connecting the test piece mechanism with the test piece mounting mechanism. And the tension-shear ratio of the applied load can be freely controlled according to actual requirements.

A ridable work vehicle includes an electric traction drive and an arm drive unit that is operable to move a loader arm assembly. The loader arm assembly includes a mechanical interface operable to mount a work attachment. The work vehicle includes a detachable operator control operable to wirelessly communicate with a controller of the work vehicle. One or both of the controller and the detachable operator control is operable to measure a proximity distance between the work vehicle and the detachable operator control. A platform sensor is operable to provide a platform signal in response to detecting an operator on the platform. The controller is operable to: determine a disposition of the operator relative to the work vehicle based on the proximity distance and the platform signal; and change an operating setting of the work vehicle based on a change in the disposition of the operator.

The invention discloses a test device for measuring shear viscosity of sandy soil in a lateral confinement stress state. The test device comprises a soil sample lateral confinement torsional deformation sample cylinder, a vertical pressure / displacement applying system and a torsional deformation / torque applying system. The soil sample lateral confinement torsional deformation sample cylinder is of an inner-outer three-layer structure and comprises an outer-layer rigid cylinder, a middle-layer annular friction control laminated ring bearing, an inner-layer vertical friction control laminated ring sleeve and balls between inner laminated rings, and inner rings of the inner-layer vertical friction control laminated rings and the middle-layer laminated ring bearing are machined into a whole; the vertical pressure / displacement applying system comprises a rack provided with a guide rail, a loading hydraulic cylinder, a loading arm, a movable loading beam with two sides clamped and fixed on the guide rail, a vertical force sensor, a vertical displacement sensor, a sample upper pressing plate and a sample lower supporting plate, and radial bulges are engraved on the contact surfaces of the sample upper pressing plate and the soil sample as well as the contact surfaces of the sample lower supporting plate and the soil sample; the torsional deformation / torque applying system comprises a servo motor, a speed reducer, a rotating shaft, a torque sensor and a coupler connected with the lower supporting plate.

The utility model relates to the technical field of mechanical property testing devices, in particular to a bending creep test loading device based on the lever principle, which comprises a foundation platform, a span adjusting base, a load bearing platform and a load bearing platform, the two span adjusting upper supports are detachably and fixedly installed at the top end of the span adjusting base, the loading supports are placed at the top ends of the span adjusting upper supports, a test piece is placed at the top ends of the two loading supports, the lever support is detachably and fixedly installed on the left side of the foundation platform, and the top end of the lever support is hinged to one end of the loading arm. One or more loading plates are detachably and fixedly installed at the position, located above the test piece, of the bottom end of the loading arm, a loading rod is fixedly connected to the middle of the bottom end of each loading plate and makes contact with the top end face of the test piece in a pressing mode, and a loading assembly is arranged at the other end of the loading arm. The problems that a balancing weight needed by a bending creep test is large in weight and difficult to load and unload are solved.

The invention belongs to the technical field of differential tests, and relates to a differential case fixing shaft loading test tool and test method.The differential case fixing shaft loading test tool comprises a supporting adjusting base, a linear hydraulic oil cylinder, a loading arm and a torque bearing piece, the torque bearing piece comprises a torque transmission piece and a differential, and the torque transmission piece is oppositely installed on the loading arm; the two torque transmission pieces are in key connection with half axle gears at the two ends of the differential mechanism respectively, torque sensors are installed on the torque transmission pieces, the torque transmission pieces are connected with the axial supporting seat through bearings, and the differential mechanism is fixedly installed in the fixed box body through a differential mechanism shell installation flange. The linear hydraulic oil cylinder is adopted for loading, horizontal force is converted into torque loaded on the half axle gears on the two sides of the differential through the loading arm, the half axle gears on the two sides are connected into a whole through the loading arm, the differential shell is fixed by the fixing box body, and meanwhile torque is loaded on the half axle gears on the two sides at the same time. The working condition that two half shafts of a differential mechanism of a real vehicle are subjected to torque at the same time is truly and effectively simulated.

A round hay bale pickup and releasing apparatus includes a frame assembly, a loading-arm mechanism, a bale-pushing mechanism, a wheel assembly, and a tilting mechanism. The frame assembly is configured with a first frame-shaft and a second frame-shaft and provides sufficient length to load and transport round hay bales. The loading-arm mechanism is operatively coupled to the first frame-shaft and the second frame-shaft to pick up and loads the round hay bales onto the frame assembly. The bale-pushing mechanism is operatively coupled to the first frame-shaft and the second frame-shaft so that each of the loaded hay bale can be pushed towards the back end of the frame assembly. The wheel assembly is operatively coupled to the first frame-shaft and the second frame-shaft through the tilting mechanism, as the tilting mechanism angularly lifts up the first frame-shaft above the second frame-shaft to dump the loaded hay bales.

The utility model provides an intelligent visual crane pipe capable of rapidly aligning and locking, which relates to the technical field of crane pipe aligning and mounting and comprises a fixed crane pipe, two positioning blocks are fixedly mounted on the outer surface wall of the fixed crane pipe, positioning holes are formed in one sides of the outer walls of the two positioning blocks, and a butt joint crane pipe is arranged on one side of the outer wall of the fixed crane pipe. According to the utility model, when the butt joint crane pipe needs to be quickly mounted on the fixed crane pipe on the storage tank, the two positioning insertion blocks are inserted into the positioning holes of the two positioning blocks, so that the butt joint crane pipe can be quickly and accurately mounted with the fixed crane pipe in a butt joint manner, and then the butt joint crane pipe penetrates through the two positioning blocks under the action of the two bolts; according to the locking device, the two positioning blocks are arranged on the crane pipe and then are connected into the two positioning insertion blocks and the two fixing holes in a threaded mode, then the two positioning insertion blocks are limited in the two positioning blocks, locking is achieved, stability after quick alignment installation is guaranteed, the butt-joint installation time is shortened, and therefore the efficiency of connection between the crane pipe and a transport vehicle or a storage tank is improved.

The invention discloses a crane tube operation state abnormity detection method and device, and the method comprises the steps: collecting crane tube operation parameters in real time in the crane tube operation process; fusing the operation parameters to obtain fused data; inputting the fusion data into a pre-trained anomaly detection model, and obtaining a reconstruction error according to the output of the anomaly detection model; and determining whether the crane tube operation state is abnormal according to the reconstruction error. By means of the scheme, the running state of the crane pipe can be detected in real time, and the accuracy and reliability of anomaly detection are improved.

The invention provides a pressure-torsion test device and a use method thereof, and belongs to the technical field of building structure tests. In the pressure-torsion test device, a foundation ground beam, a middle main beam and a side main beam are detachably connected with three-in-one stand columns on the two sides respectively; the fixed end of the vertical electro-hydraulic servo loading device is installed on the lower flange of the middle main beam, and the movable end of the vertical electro-hydraulic servo loading device is connected with a pressure loading area on the top of the pressure-torsion loading force arm. The horizontal electro-hydraulic servo loading device is connected with the side main beam through a suspension connecting assembly, the fixed end of the horizontal electro-hydraulic servo loading device is installed on a side stand column of the three-in-one stand column in a central symmetry mode, and the movable end of the horizontal electro-hydraulic servo loading device is connected with the two ends of a pressing-twisting loading force arm. The lower flange of the compression-torsion loading force arm and the upper flange of the foundation ground beam are respectively provided with a test piece installation area. The compression-torsion test device provided by the invention is simple and convenient to mount and operate, the load position can be freely configured according to the size of a test piece, the load provided by the device can be self-balanced, and the defects of the existing compression-torsion test device in data accuracy and operation simplicity and convenience are overcome.

The utility model discloses a full-automatic loading arm which comprises a mounting frame, a vertical moving assembly is arranged in the mounting frame, a mounting plate is arranged on the right side of the mounting frame through the vertical moving assembly, a transverse moving assembly is arranged on the right side of the mounting plate, and a mounting frame is arranged on the right side of the mounting plate through the transverse moving assembly. An angle adjusting assembly is arranged on the surface of the mounting frame, and an oil conveying pipe is arranged in the mounting frame through the angle adjusting assembly. The oil conveying pipe can be driven to turn over through the angle adjusting assembly, so that the oil conveying pipe is turned over to be horizontal with the oil filling port, and the oil conveying pipe drives the connecting pipe to rotate relative to the conveying pipe through the connecting assembly. The situation that a large amount of time is consumed due to the fact that most of existing loading arms need to be manually adjusted and guided in the using process is avoided, so that the oil conveying time is shortened, and the full-automatic loading loading arm is more flexible and convenient to use.

A working machine comprising an implement pivotable with respect to a loader arm and an actuator arranged to pivot the implement about a physical angular range of motion; wherein the hydraulic system

The present invention belongs to the technical field of bending combination test, and discloses a double-arm bending-torsion combination test method and device. The test method is that the loading arms installed on the bending-torsion tube are symmetrically arranged, and by adjusting the size and direction of the load applied to the two loading arms, bending, torsion, and bending-torsion loading can be achieved. During bending-torsion loading, the bending-torsion ratio can be adjusted arbitrarily to verify the principle of stress superposition. The test method and device can realize pure bending test, bending-torsion combination test, and bending-torsion combination test, and the ratio of bending and torsion can be adjusted arbitrarily.

The utility model belongs to the field of swan pipe, especially a double -sealed oil depot swan pipe, it includes swan pipe support, the output of swan pipe support is fixedly installed with swan pipe main part, the swan pipe main part is fixedly covered with sealing rubber ring and clamping base, the inside of clamping base is provided with clamping chamber, the outside of clamping base is provided with a plurality of turnover mouth, a plurality of turnover mouth all are linked with same clamping chamber, the outside of swan pipe main part is fixedly covered with sealing rubber block. The utility model discloses a plurality of clamps can be set up to the tank mouth of tank truck is held, prevents the relative displacement of swan pipe and tank truck tank mouth in the oil transfer process because of vibration, shaking and so on, makes swan pipe and tank truck keep solid connection, ensures the loading and unloading oil operation to carry out smoothly, avoids the sealing effect of junction to reduce, causes oil gas leakage, has increased the practicality and security of equipment.

The utility model relates to the field of tar processing, in particular to an oil tank truck smoke overflow collecting device which comprises a tank body, an adding opening is formed in the outer wall of the top end of the tank body, a conical barrel is installed at the position, located at the adding opening, of the outer wall of the top of the tank body, and a sealing assembly is arranged at the position, located at the adding opening, of the inner wall of the top of the tank body. An adding assembly is arranged at the adding opening in the outer wall of the top of the tank body; the adding assembly comprises a crane pipe, a sealing block installed on the outer wall of the crane pipe, an exhaust pipe connected to one end of the outer wall of the top of the sealing block and a valve installed on the outer wall of one end of the exhaust pipe. The sealing assembly comprises springback grooves formed in the inner wall of the top of the tank body at equal intervals and tension springs installed on the inner walls of the top ends of the springback grooves. The plug is pressed downwards after one end of the loading arm is in contact with the plug, the sealing block on the outer wall of the loading arm is attached to the conical barrel after the plug leaves the adding opening, the rubber ring on the inner wall of the conical barrel is in contact with the sealing block to seal the joint, and smoke pollution during loading is avoided.

The utility model relates to a connection protection device, in particular to a buckle type crane pipe connection protection device which comprises an upper buckle and a lower buckle, and the upper buckle is arranged above the lower buckle. A middle screw is arranged on the upper buckle, and synchronous fastening mechanisms are arranged on the two sides of the middle screw. The synchronous fastening mechanism comprises side screws, the side screws are arranged on the two sides of the middle screw respectively, and when the middle screw is tightened in the direction towards the upper buckle, the synchronous fastening mechanism drives the lower buckle to be close to the upper buckle at the same time through the side screws, so that clamping of the upper buckle and the lower buckle is completed. Synchronous transmission among the three screws is achieved through the synchronous fastening mechanism, when the middle screw is slowly close to the upper buckle to be clamped, the synchronous fastening mechanism drives the side screws on the two sides to rotate, and therefore the side screws drive the lower buckle to be slowly close to the upper buckle, tightening efficiency is improved, and synchronism of the three screws is achieved.

The utility model discloses an automatic base plate edge removing and sheet inserting machine which comprises a box body, a first stepping motor is installed at the upper end of a rotating disc, a feeding arm is installed on the outer wall of the rotating disc, a stock bin is distributed on the front side of the rotating disc, a feeding supporting block is installed on the inner wall of the stock bin, and a waste box is distributed on the right side of the rotating disc. And a drawing box is slidably installed on the inner wall of the waste box in an inserted mode, a cutting supporting groove is formed in the upper end of the waste box, a cutting base plate is installed on the inner wall of the cutting supporting groove, a CCD detection platform is installed on the rear side of the rotating disc, and inserting piece arms are distributed on the left side of the rotating disc. According to the automatic edge-removing and sheet-inserting machine for the base plate, the base plate can be wrapped and cut at one time through the cutting blade, the efficiency is good, more efficient detection can be carried out through eight sets of CCD cameras of the CCD detection platform, the yield is better, the sheet-inserting box can be independently limited, inserted, disassembled and assembled through the limiting insertion block and the limiting insertion groove, and the production efficiency is improved. And the insertion boxes are annularly distributed, so that continuous insertion processing is facilitated, and the efficiency is better.

The invention relates to wheel hub bearing immersion detection, and discloses a wheel hub bearing mud immersion test device and a method thereof.The wheel hub bearing mud immersion test device comprises a driver, a loading arm and a first mud water pipe, an inner connecting disc is installed on a main shaft of the driver, an outer connecting disc is installed on the loading arm, a flange disc is installed on the inner connecting disc, and a water retaining frame is installed between the inner connecting disc and the outer connecting disc; one side of the water retaining frame is in contact connection with the outer connecting disc, the other side of the water retaining frame wraps the outer side of the flange disc, a first gap is formed between the water retaining frame and the flange disc, and the water outlet area S2 of the first gap is smaller than the nozzle area S1 of the first muddy water pipe. The immersion state of the rotating end bearing sealing assembly is achieved through the flow difference of flowing-in and flowing-out of muddy water in the water retaining frame. Flange plates with different outer diameters are selected, and the size of the first gap is controlled, so that the immersion test is realized. The device can be repeatedly used, does not contact with a rotating flange, does not affect the rotating speed of a bench test, avoids immersion of a rotating main shaft of equipment, and does not have adverse effects on the test equipment.

The application discloses a tank truck operation box control system and method for LNG loading and unloading sites, which comprises a tank body, a liquid phase pipeline with an upper liquid inlet pipeline communicated with the top of the tank body and a lower liquid inlet pipeline communicated with the bottom of the tank body, a gas phase pipeline communicated with the top of the tank body, and a control device. In the process of loading LNG raw materials, the control device first completes the pre-cooling operation of the LNG tank, the loading arm pipeline and the box pipeline realized by the loading arm connected with the tank truck operation box by controlling the passage of the upper liquid inlet pipeline and breaking the circuit of the lower liquid inlet pipeline, and then completes the formal loading operation realized by the loading arm by controlling the passage of the lower liquid inlet pipeline and breaking the circuit of the upper liquid inlet pipeline. When the pressure in the gas phase pipeline is detected to be abnormal, the passage of the gas phase pipeline is controlled. The application realizes the automatic control of the valves in the LNG operation box and the automatic loading and unloading of LNG.

The invention discloses an LNG tank car target positioning system and method, and the system comprises an image collection module which is disposed at the entrance of a loading position of an LNG loading station yard, and is used for collecting the images of tank cars at all loading positions in a visual field in real time; the image processing module is configured to identify target information of the tank car according to the tank car image, and the target information comprises loading connection object positioning information of the tank car; and the loading arm control module is configured to control the corresponding loading arm to move to the corresponding tank car gas-liquid phase interface according to the loading connection object positioning information so as to realize loading operation auxiliary control.

The swing type low-temperature ethylene closed loading and unloading truck loading arm comprises a fixing cylinder, a lifting groove is formed in the outer side of the fixing cylinder, a lifting unit is arranged on the outer side of the lifting groove, the lifting unit comprises a lifting block, the lifting block is connected to the inner side of the lifting groove in a sliding mode, and the lifting block is connected with the lifting groove in a sliding mode. A lifting ring is fixedly connected to one side of the lifting block, a stabilizing block is fixedly connected to the other side of the lifting block and located on the inner side of the fixing cylinder, a moving block is fixedly connected to the outer side of the stabilizing block, a screw is rotatably connected to the inner side of the fixing cylinder, and a first rotating block is fixedly connected to the outer side of the lifting ring. The outer side of the first rotating block is rotationally connected with a main pipe. By arranging the fixed cylinder, the lifting groove, the lifting block, the lifting ring, a screw rod, a moving block, a main pipe, a conveying pipe and an ethylene filling pipe, the height of the ethylene filling pipe can be conveniently adjusted by rotating the screw rod, operation is easy, and the device is suitable for being used by workers with different occupational qualities.

The utility model discloses a suspended truss device for a crane pipe, which belongs to the technical field of loading crane pipes, is suspended on a trestle beam and comprises a cross beam frame and a crane pipe connecting seat, the cross beam frame consists of a Y-axis track frame, an X-axis track frame and a moving trolley, and the crane pipe connecting seat is fixed below the moving trolley. The movable trolley can move relative to the X-axis track frame or the Y-axis track frame so as to drive the crane pipe to move and align; according to the scheme, by designing the suspended truss device, the purpose of automatically moving and aligning a common crane pipe is achieved, that is, the automatic moving crane pipe which is compact in structure, stable in operation and low in cost is formed by combining the common crane pipe with the suspended truss device, and the defects existing in use of an existing common crane pipe are overcome.

The utility model provides an intelligent loading arm quantitative loading system, which relates to the field of loading arms, is used for solving the technical problems that the position of a discharge port needs to be manually adjusted and the function of automatically adjusting the position of the discharge port is not provided in the prior art, and comprises a stand column, a cross beam, a loading arm and a control circuit, a lifting sliding table is arranged on the stand column, a turntable bearing seat is arranged on the lifting sliding table, the turntable bearing seat is connected with a cross beam, the lifting sliding table and the turntable bearing seat are driven by a motor, the motor is electrically connected with a control circuit, the cross beam is a hollow square tube, and an electric sliding table and a linear bearing seat are arranged in the cross beam. The electric sliding table is driven by a motor and electrically connected with the control circuit, a cylindrical rod is arranged on the electric sliding table and located in the linear bearing seat, a connecting pipe, a laser locator and a monitoring camera are arranged at the free end of the cylindrical rod, the connecting pipe is connected with a discharging port of the loading arm, and the laser locator and the monitoring camera are electrically connected with the control circuit.

The utility model belongs to the technical field of connecting devices, and particularly discloses an automatic connecting device with a passive separation function. The problems that in the prior art, a connection mode is troublesome in operation, time-consuming and labor-consuming are solved. The device is designed for tank car interface flanges for media such as methane and ethane, is arranged at the tail end of a loading arm, and replaces a loose flange to be in butt joint with the tank car interface flanges. When the automatic connection device is in butt joint with an LNG tank car interface flange, the electric servo driving mechanism drives the driving gear and the driven gear to rotate through the speed reducing mechanism, the universal joint and the driving shaft, then the external threaded sleeve is driven to rotate, the external threaded sleeve drives the tensioning rod to tighten inwards through the internal threaded sleeve and then translates and presses the tensioning rod, and automatic connection is achieved. And the workload of workers is reduced, and the labor intensity is reduced. Compared with other flange connecting devices, the flange connecting device has the advantages of being high in compatibility, low in requirement for installation accuracy of an electric drive mechanism and convenient to machine and manufacture.

The invention discloses a boom-luffing tower crane and a method for determining the positions of a first fixed pulley and a third fixed pulley. The boom-luffing tower crane comprises: a supporting seat; a balancing arm; a lifting arm; a support rod, the bottom of which is connected to the supporting seat through a first connecting point; a pulling rod; a luffing mechanism, comprising a luffing fixed pulley and a luffing rope arranged at the top of the support rod, the luffing rope is unwound from a luffing winch, and is connected to the lifting arm after passing through the luffing fixed pulley, and the luffing mechanism is used to make the lifting arm luffing and rotating relative to the supporting seat; a lifting mechanism, comprising a lifting winch arranged on the balancing arm, a lifting rope, a first fixed pulley arranged at the top of the support rod, a second fixed pulley located at the bottom of the support rod, a third fixed pulley arranged on the support rod and located between the first fixed pulley and the second fixed pulley, and a fourth fixed pulley arranged at the lifting end, when lifting a heavy object, the lifting rope is unwound from the lifting winch, and is connected to the heavy object after passing through the first fixed pulley, the second fixed pulley, the third fixed pulley and the fourth fixed pulley in sequence.

The application discloses a machine tool spindle comprehensive performance testing device and testing method, which comprises: a ground iron, a three-dimensional section axis-determining multi-sensor adjusting module, an axial loading unit, a radial loading unit, a loading arm, a spindle fixing module, a static stiffness module, a working stiffness module, a detection module and a workbench. The device can detect multiple performances of the machine tool spindle through different tool handle modules and loading units, reduces the cumbersome work caused by replacing the test bench, and greatly improves the testing efficiency. The test projects that can be completed by the test bench include thermal elongation testing, thermal deviation testing, axial static stiffness testing, radial static stiffness testing, axial working stiffness testing and radial working stiffness testing of the machine tool spindle.

The utility model relates to the field of loading of loading arms of tank trucks of automobiles and trains, in particular to a vertical pipe stroke detection and collision detection device for a full-automatic loading arm, which comprises a welding vertical pipe, a connecting flange and a collision detection device, the tank opening baffle assembly comprises a tank opening guide rod and a tank opening return spring; the grounding assembly comprises a grounding guide rod and a grounding return spring; and the probe detection assembly is connected with the connecting flange and faces the tank opening guide rod and the grounding guide rod. The device has the following beneficial effects that the loading accuracy is remarkably improved, and the loading efficiency is greatly improved; by detecting the stroke and the collision condition of the welding vertical pipe in real time, a system is assisted to quickly find and correct the problem of inaccurate positioning, so that unnecessary delay and waste caused by inaccurate positioning of a tank opening are avoided.

The invention belongs to the technical field of strong acid loading, particularly relates to an automatic positioning device for a strong acid loading crane pipe, and provides the following scheme aiming at the problem that in the prior art, after strong acid loading is completed, a small amount of strong acid liquid is attached to the inner wall of the crane pipe, and if the strong acid liquid is not collected, resource waste is caused. The pushing seat is located below the positioning frame, a bottom groove is formed in the bottom of the pushing seat, and a cavity connected with the bottom groove is formed in the pushing seat; the positioning mechanism I is arranged on the positioning frame and is used for driving the pushing seat; and the loading arm body is slidably connected with the top of the pushing base, and a splash-proof cover is arranged on the outer wall of the bottom end of the loading arm body. The device is simple in structure, after strong acid is loaded on a truck, the loading arm can be knocked, residual liquid is rapidly guided out through the flow guide rubber shell and recycled through the liquid collecting cylinder, and therefore the situation that resources are wasted is avoided, and people can use the device conveniently.

A system for loading and unloading top and bottom tools in a press machine comprises a cart, an upper platen, first and second upper platen loading arms, a lower platen, and first and second lower platen loading arms. The cart supports the top and bottom tools and includes a latch to couple to the press machine and a conveyor mechanism to move the tools. The upper platen, positioned in the press machine, retains the top tool and includes top tool clamps to clamp the top tool. The first and second upper platen loading arms include rollers to fit into roller slots of the top tool. The lower platen, positioned in the press machine beneath the upper platen, retains the bottom tool and includes bottom tool clamps to clamp the bottom tool. The first and second lower platen loading arms include tracks to fit into T-slots of the bottom tool.

The present application relates to a high and low temperature strain calibration device based on a pure bending beam, comprising a base, a driving part, a lead screw, an air-floating support structure, a loading force arm, a beam to be measured, a fixed bracket and a laser ranging assembly; the upper surface of the base is horizontal, the driving part and the lead screw are mounted on the base, the lead screw is connected to the output shaft of the driving part by transmission, and the lead screw is a straight rod structure; the air-floating support structure comprises a first support member and a second support member; the bottom of the loading force arm is mounted on the base through the first support member, and is perpendicular to the lead screw, one end of the two loading force arms is connected to the lead screws on both sides of the driving part by transmission, the other end of the loading force arm is provided with a clamping part, and the two loading force arms clamp the beam to be measured together; the rotation of the lead screw can drive the two loading force arms to be relatively close or drive the two loading force arms to be relatively far away; the bottom of the fixed bracket is mounted on the base through the second support member; the laser ranging assembly is mounted on the fixed bracket, and the measuring end of the laser ranging assembly is vertically facing the beam to be measured.