166 results about "Loading arm" patented technology

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 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 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 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 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 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.

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 utility model relates to the technical field of crude oil crane pipes, and particularly discloses a crude oil crane pipe convenient to clean, which comprises a crane pipe body, and one end of the crane pipe body is rotatably connected with a rotary joint through the rotary joint; the crane pipe body comprises a plurality of sections of main pipelines and connecting flanges, and every two adjacent main pipelines are connected through the connecting flange with a sealing ring; the inner wall of the main pipeline is provided with flow guide ribs of a spiral structure. A connecting pipe is integrally formed at one end of the connecting flange, a plurality of annularly-distributed flow guide grooves are formed in the inner wall of the connecting pipe, the flow guide grooves and the main pipeline are arranged in an inclined mode, the crane pipe body is divided into the multiple sections of main pipelines, and the multiple sections of main pipelines are connected through the connecting flange, so that the crane pipe body is convenient to disassemble and maintain; and the flow guide ribs and the flow guide grooves are arranged on the inner wall of the main pipeline, so that fluid in the main pipeline can be guided to be quickly discharged, and the effect of facilitating cleaning is achieved.

The utility model relates to an automatic residual oil recovery oil transfer arm, relates to the technical field of oil transfer arms, and aims to solve the problem of residual oil products of the oil transfer arm. The automatic residual oil recovery oil transfer arm comprises a stand column, an inner arm connected with the stand column, an outer arm, an inner arm support and an outer arm support, and a residual oil recovery mechanism is arranged on the side, close to the stand column, of the inner arm support; the residual oil recovery mechanism comprises a recovery box, a flow guide pipe, a pneumatic butterfly valve and an explosion-proof pump, the recovery box is arranged on the supporting side wall of the inner arm, the pneumatic butterfly valve is arranged on the flow guide pipe, the two ends of the flow guide pipe are communicated to the recovery box and the elbow of the inner arm respectively, a flow guide ramp is arranged at the inlet end of the flow guide pipe, and the explosion-proof pump is arranged on the flow guide ramp. The flow guide ramp extends to the inner wall of the pipeline of the inner arm, and the anti-explosion pump is communicated to the bottom of the recycling box. The oil transfer arm has the advantages that oil products remaining on the inner arm, the outer arm and other parts of the oil transfer arm after oil loading and unloading operation is finished can be effectively collected, and oil product waste of enterprises is reduced.

A kind of automobile suspension control arm single test tool, including bottom plate, the bottom plate is equipped with big bushing installation support, small bushing installation support, shock absorber simulation installation support and three-way loading tool, big bushing installation support is equipped with big bushing installation seat, small bushing installation support is equipped with small bushing installation seat, shock absorber simulation installation support is equipped with shock absorber simulation swing arm installation seat, swing arm is rotatably connected on the shock absorber simulation swing arm installation seat, three-way loading tool includes a "C" type loading seat, the outside of the "C" type loading seat is equipped with the installation seat of X, Y, Z three-way loading arm respectively, one end of the X, Y, Z three-way loading arm is connected with "C" type loading seat respectively through installation seat, and the other end is connected with an actuator respectively, the opening of "C" type loading seat is connected and fixed by a bolt rod, the lower inner side wall of "C" type loading seat is equipped with a control arm ball pin fixed hole.

The utility model discloses a high -strength LNG loading and unloading arm relates to LNG loading and unloading arm technical field, including support seat and fixedly installed bottom pipe of support seat top, the inside rotation of bottom pipe is equipped with rotating column, and the outer wall upper end of rotating column is equipped with loading and unloading subassembly and fixedly installed, and the inside between rotating column and bottom pipe is equipped with rotating subassembly, and the inner wall lower end of bottom pipe is equipped with filter screen and fixedly installed, and the outer wall lower end of bottom pipe is equipped with oil injection pipe and fixedly installed, and the upper end spout of oil injection pipe is equipped with circulating oil pipe with bottom pipe lower end intercommunication, and the outer wall of bottom pipe is equipped with lubricating oil tank and fixedly installed, and the bottom of lubricating oil tank is equipped with oil filler pipe and intercommunication, and the lower end of oil filler pipe is equipped with oil injection pipe and is gone into. The utility model discloses can make loading and unloading arm when using, and lubricating oil continues to flow and effectively lubricates rotating subassembly, and the oil of lubricating drop can be collected after filtration and use again, improves the use intensity and use multifunction of loading and unloading arm.

The utility model relates to the technical field of electronic paper detection, in particular to a feeding and discharging arm which comprises a cross beam support, a feeding arm body and a discharging arm body, the feeding arm body and the discharging arm body operate alternately, the feeding arm body comprises a first installation support, a second installation support and a Z-axis linear motion module, and the bottom of the second installation support is connected with an electric rotary sliding table. The bottom of the electric rotary sliding table is connected with a feeding assembly, a buffering assembly used for preventing the feeding arm from sliding violently during sudden stop and damaging the electric rotary sliding table is arranged on the side wall of the second mounting support, the discharging arm comprises a third mounting support, the third mounting support comprises a top plate, a side plate and a bottom plate, the top plate is perpendicular to the side plate, and the bottom plate is perpendicular to the side plate. The bottom plate is perpendicular to the side plate, the top plate is parallel to the bottom plate, the top plate is connected with a camera assembly, the side plate is connected with a second light source assembly, the bottom plate is connected with a discharging assembly, and the camera assembly, the light source assembly and the suction cup assembly can avoid each other when working in a matched mode, so that mechanism damage caused by improper matching is prevented.

This invention relates to a scaled-down rotating cable anchoring loading device and testing method, belonging to the field of civil engineering structural testing and measurement. It addresses problems such as eccentric loading, impure force distribution, unstable load, and poor spatial adaptation in traditional scaled-down models. The device comprises a box, a pulley guiding mechanism, a steel beam, and a top loading device. The box is secured to the scaled-down anchors using clamps or backfill. The pulley guiding mechanism consists of guide rails, a sliding table, vertical pulleys, and two sets of horizontal traction pulleys, allowing for three-dimensional adjustment to ensure the horizontal guidance of the cable. The top loading device employs a jack structure, using a lifting piston rod to vertically raise and lower the loading arm synchronously, applying horizontal tension and possessing a self-locking pressure-holding function, enabling long-term stable load holding. The testing method involves device installation, anchor and cable placement, pulley leveling, pre-loading, self-locking pressure holding, and data acquisition to complete the test. This invention achieves pure horizontal, high-precision, stable, and controllable loading. It features a compact structure, simple operation, and accurate acquisition of mechanical parameters, making it suitable for cable anchored scaled-down model testing.

The utility model discloses a railway trestle ladder and crane pipe interlocking device, and belongs to the technical field of crane pipe oil transportation. When a train arrives below the supporting frame, the rotating base controls the connecting arm to rotate, the connecting mechanism directly faces a trestle ladder, the connecting mechanism and the train are tightly sucked and fixed through the suction disc, and after tight suction, whether tight suction is conducted or not is determined through the positioning detector; the position detector is used for detecting whether the clamping position of the gun head meets the clamping requirement or not, when the clamping requirement is met, the loading arm carries out oil transportation, after oil transportation is completed, the gun head is pulled away from the limiting frame, the position detector detects that the gun head leaves, a signal is transmitted to the positioning detector, and then the adsorption disc does not adsorb the train any more; the mode effectively avoids the situation that the crane pipe is damaged due to external force pulling when people forget to pull away the crane pipe.

The utility model discloses a petrochemical wharf oil transfer arm quick dismounting device which comprises a bearing plate, the upper surface of the bearing plate is fixedly connected with a frame, the inner surface of the frame is slidably connected with two moving plates, the inner surface of the frame is rotatably connected with a first bidirectional lead screw, and the two ends of the first bidirectional lead screw are connected with the two moving plates in a penetrating and threaded mode respectively. A main sliding groove is formed in the movable plate, two auxiliary sliding grooves are formed in the movable plate, the two auxiliary sliding grooves are located in the upper side and the lower side of the main sliding groove, a main sliding block is slidably connected to the inner surface of the main sliding groove, auxiliary sliding blocks are slidably connected to the inner surfaces of the auxiliary sliding grooves, and a main connecting block is fixedly connected to the rear surface of the main sliding block. The device can adapt to oil transfer arms of different sizes, so that the device has very high universality, different dismounting devices do not need to be specially designed and configured for the oil transfer arms of different sizes, and the equipment cost and the complexity of equipment management are reduced.

A vehicle and a method for side loading a hay bale. The vehicle has a frame, a side loader mechanism, and a storage assembly. The frame has a side oriented parallel to a direction of travel of the vehicle. The side loader mechanism is pivotably coupled to the side of the frame and pivots between an extended position and a retracted position. The side loader mechanism has a first loader arm and a second loader arm which open and close relative to one another, to thereby, squeeze a hay bale between respective ends of the first loader arm and the second loader arm. The storage assembly receives the hay bale from the side loader mechanism at a first location on the vehicle and conveys the hay bale along a path relative to the side loader mechanism from the first location to a second location on the vehicle.

A vehicle including a body assembly and an automated reach arm including a container engagement mechanism configured to selectively engage a container, a first actuator configured to selectively swing the automated reach arm with respect to the body assembly, a second actuator configured to selectively swing the container engagement mechanism, a first articulating arm segment hingedly coupled to the body assembly, a second articulating arm segment hingedly coupled to the first articulating arm segment and the container engagement mechanism, a third actuator configured to selectively rotate the first articulating arm segment with respect to the body assembly, and a fourth actuator configured to selectively rotate the second articulating arm segment with respect to the first articulating arm segment.

A single-arm loading and unloading device with visual automatic alignment includes a column assembly, an loading arm, a horizontal arm assembly, a visual positioning mechanism, and a vertical pipe lifting assembly. The column assembly includes a lower column, a rotary drive, and an upper column. The rotary drive is mounted on top of the lower column, and the upper column is mounted on the power output end of the rotary drive, which drives the entire upper column to rotate. The loading arm is mounted on the upper column. A lifting drive and a spring cylinder for balancing the weight of the loading arm are also installed between the inner and outer arms of the loading arm. The vertical pipe of the loading arm is mounted on the horizontal arm assembly via the vertical pipe lifting assembly, and the horizontal arm assembly is mounted on the upper column. This invention solves the technical problems of low efficiency, poor accuracy, susceptibility to collision damage, and low safety associated with traditional manual loading arm alignment, as well as the inaccurate positioning, insertion jamming, and lack of anti-drip protection in existing automated loading arms. It achieves precise, safe, and efficient automated loading and unloading operations on both sides of a single loading arm.

The present invention relates to a method for homogeneous marking of petroleum hydrocarbon stored within a reservoir on a vehicle with at least one marker. The method comprises inserting a loading arm comprising a marker injection conduit having a free end being operative to dispense a pulsating, pressurised marker stream and a gas injection conduit having a free end being operative to dispense a pulsating, pressurised gas stream into a reservoir of a vehicle. The method further comprises positioning the free end of the marker injection conduit at a marker height from a lowest surface of the reservoir and the free end of the gas injection conduit at a gas height from a lowest surface of the reservoir within petroleum hydrocarbon within the reservoir, wherein the free end of the marker injection conduit is located at the marker height which is larger than the gas height.

The invention relates to the technical field of biaxial tensile tests, and discloses a novel sample for a biaxial tensile test and a simulation test method.The novel sample for the biaxial tensile test is integrally in a cross shape and comprises a center connecting part and four loading arms, and the thickness of the center connecting part is gradually reduced from the outer edge to the center position; the two side faces, located in the width direction, of each loading arm are connecting side faces, each connecting side face sequentially comprises a first arc face, a second arc face and a vertical face from the side close to the center connecting part to the side away from the center connecting part, and the first arc face is sunken towards the side where the center connecting part is located. And the second arc surface sinks towards one side far away from the central connecting part. The four arc chamfers are formed on the loading arm, and compared with two arc chamfers, the shear stress of the chamfer positions can be greatly reduced, so that on one hand, the calculation error of the stress at the central position can be reduced, and on the other hand, the phenomenon of tearing at the arc chamfers during a test can be avoided.

A top loading crane pipe with a quick separation function comprises a stand column, an inner arm, an outer arm and a vertical pipe, the inner arm is rotationally installed on the stand column, the outer arm is rotationally installed on the inner arm, the vertical pipe is rotationally installed on the outer arm through a breaking bolt turning plate type snap valve, and a spring cylinder is further installed between the inner arm and the outer arm; the breaking bolt turning plate type breakaway valve comprises an upper valve body and a lower valve body, guide valve elements are installed in valve cavities of the upper valve body and the lower valve body, valve clacks of the guide valve elements are installed in the valve cavities through torsional springs, limiting strips are further arranged on the valve clacks, one end of the upper valve body is provided with an upper butt welding flange matched with an outer arm through a connecting bolt, and the other end of the upper valve body is provided with a lower butt welding flange matched with an inner arm through a connecting bolt. A clamping groove is formed in the other end of the upper valve body, a lower butt welding flange matched with the vertical pipe is installed at one end of the lower valve body through a connecting bolt, and a protruding block matched with the clamping groove is arranged at the other end of the lower valve body. The device is reasonable in design, convenient to operate, simple, reliable and capable of rapidly separating the loading arm loading arm from the tank car in emergency.

The invention discloses an adjustable bending-torsion ratio loading device for a beam member and an installation and loading test method thereof. The device comprises two sets of clamping upper cross beams and clamping lower cross beams which are arranged symmetrically; the two sets of bent upper cross beams and bent lower cross beams are arranged in an anti-symmetric manner; a movable spherical hinge support is arranged on the upper surface of the bending and twisting upper cross beam, and the upper portion of the spherical hinge support is connected with an electro-hydraulic servo actuator; the bottom of the clamping lower cross beam is connected with an arc slide way support with a limiting function. According to the loading device and the loading method, the loading arm and the loading point of the electro-hydraulic servo actuator can be changed, a test beam composite action loading test with any different bending-torsion ratio parameters can be carried out, and the stability of the test device under the large-angle and large-deformation loading condition can be effectively realized by utilizing the spherical hinge support; the measuring device records an elastic-plastic load displacement curve in the whole process. The device is particularly suitable for bending and torsion test loading of thin-wall section steel box girders and steel-concrete combined box girders which are small in bending and torsion rigidity and large in torsion deformation.