358 results about "Vertical force" patented technology

The invention relates to the technical field of machine tool cross beams, in particular to a numerical control gantry machine tool cross beam anti-deformation device which comprises a cross beam, two symmetrically-distributed top connecting pieces are rotationally installed at the top of an inner cavity of the cross beam, and two symmetrically-distributed bottom connecting pieces are rotationally installed at the bottom of the inner cavity of the cross beam. The distance between the two bottom connecting pieces is smaller than that between the two top connecting pieces, tensioning assemblies with adjustable tightness are installed between the bottom connecting pieces and the adjacent top connecting pieces, the two top connecting pieces are located at the two ends of the cross beam, and the two bottom connecting pieces are located in the middle of the cross beam. According to the invention, through the top connecting piece, the bottom connecting piece and the tensioning assembly, an obliquely upward pulling force is applied to the cross beam, the pulling force is decomposed into a vertically upward force and a horizontal force, and the vertical force can offset the gravity of the middle part of the cross beam, so that the downward bending deformation of the cross beam is reduced, and the purpose of reversible deformation is achieved.

The method comprises the following steps: judging whether each wheel clamping force sensor works normally, if so, directly obtaining a brake clamping force as a final brake clamping force, if not, obtaining a first brake clamping force through a motor model, and if not, obtaining a second brake clamping force through a motor model; second brake clamping force is obtained through the brake friction plate model, and fusion is conducted through the fuzzy logic weight algorithm to obtain final brake clamping force; judging whether the wheel has a locking risk or not, if not, calculating the current ground longitudinal force of the wheel according to a kinetic model of the wheel, if so, triggering longitudinal force locking logic, and acquiring the current locking ground longitudinal force as the current ground longitudinal force of the wheel; calculating the current utilization adhesion coefficient of each wheel in combination with the vertical force; and determining the road surface type of the vehicle by using a fuzzy rule based on the adhesion coefficient of each wheel. According to the invention, the problem of low identification precision is solved.

The invention discloses a suspension pitching cooperative control system and method combining dynamic vertical force distribution and multi-mode braking, and particularly relates to the field of vehicle suspensions. Meanwhile, the braking torque distribution unit and the suspension system are controlled in real time by defining a state machine; vehicle low-speed target braking torque and tire vertical force are calculated through the expected deceleration and correspondingly input into a braking torque distribution unit and a four-degree-of-freedom suspension model; converting the four-degree-of-freedom suspension model into a state-space equation and discretizing the state-space equation to obtain a prediction model, and further deriving a state prediction equation of the future N steps; designing a cost function comprising a state quantity weight matrix Q, an input quantity weight matrix R and a state final value weight matrix F, substituting a prediction state into the cost function to obtain an optimal input sequence, dynamically adjusting suspension rigidity, damping and a braking force distribution strategy, and correcting a control instruction in real time by using closed-loop feedback of a vehicle body attitude sensor, so as to improve the stability of a vehicle body. And the suspension pitching control is realized.

An example payload for an inspection robot having a mounting rail to inspect an inspection surface, the payload including a wedge element; and a probe holder, including: a mounting rail connection member structured to connect to the mounting rail; a wedge element holder structured to hold the wedge element; a spring-loaded member structured to connect to the mounting rail connection member and to provide a selected vertical force on the wedge element holder; and an extended member structured to connect to the spring-loaded member between a first end and a second end, and to connect to the wedge element holder at the second end.

The invention discloses a multi-axial force sensor with force measuring beams with high lateral force sensitivity and strong bending resistance, the multi-axial force sensor comprises a first table body, a second table body and a plurality of force measuring beams, the force measuring beams comprise a transverse force measuring beam and a vertical force measuring beam, the vertical force measuring beam comprises two sheet-shaped vertical beam arms which are parallel to each other, and the two sheet-shaped vertical beam arms are parallel to each other. The orientation of the larger side faces of the two thin-sheet-shaped vertical beam arms is consistent with the extending direction of the two ends of the transverse force measuring beam, and the two vertical beam arms are located on the two sides of the center line of the transverse force measuring beam respectively. The thin vertical beam arms are adopted, when the thin vertical beam arms are subjected to lateral force, deformation of the vertical beam arms is large, high sensitivity of the lateral force can be obtained, meanwhile, the vertical force measuring beam adopts a double-beam form of a thin-wall structure, the two vertical beam arms are separated by a certain distance, and the two vertical beam arms bear bending moment together, so that the force measuring beam can bear large bending moment. That is to say, the force measuring beam can maintain strong bending resistance on the basis of realizing high lateral force sensitivity.

An apparatus for reducing wearer fatigue for use in a wearable safety harness system includes a dorsal chassis capable of engagement with one or more shoulder safety straps and one or more lower torso webbing straps, an attachment subassembly comprising of a D-ring, a self-retracting lifeline attachment point, lower torso webbing strap attachment point, and a force-reduction mechanism. The attachment subassembly is attached to the dorsal chassis via the force-reduction mechanism such that force-reduction mechanism absorbs vertical forces produced by the weight of a self-retracting lifeline. The force-reduction mechanism absorbs vertical forces produced by the lower torso webbing strap resulting from the attachment of tools or equipment to the lower torso webbing strap. The arrangement of the apparatus also promotes increased flexibility between the shoulder safety straps and the lower torso webbing straps torso safety strap, thereby reducing wearer fatigue.

The invention relates to the technical field of robots, and discloses a jewelry selling robot based on intelligent interaction, which comprises a machine body, and further comprises a frame body fixedly connected to the bottom of the machine body, a driving base fixedly connected to the bottom of the frame body, and a plurality of guide frames which are arranged at equal angles and are horizontally connected to the interior of the frame body in a sliding manner, the multiple pressed parts fixedly connected with the guide frame are arranged, secondary buffering stabilization is conducted through the stability maintaining part, and the stability maintaining part keeps stable continuously when the transmission part does not return to the initial state at the moment. Through the multi-layer structure, accurate coping with collisions with different strengths is achieved, buffer springs directly absorb energy during slight collision, frequent action of a transmission part is avoided, inclined grooves of guide grooves convert horizontal force into vertical force during large collision, all the buffer springs are compressed together, a magnetic ring and an adsorption ring are adsorbed stably, deviation of the robot is avoided, and the service life of the robot is prolonged. And the customer is prevented from being injured when being collided.

The invention provides a coupler force calibration method and device, and the method comprises the steps: obtaining a three-point bending beam model which is used for representing a beam structure formed by the direct connection of a coupling end of a first coupler and a coupling end of a second coupler in a coupling state, and simplifying the tail part of the first coupler into a clamped constraint, the tail of the second car coupler is simplified to be clamped constraint, and the clamped constraint limits the vertical displacement and the rotation angle of the tail of the corresponding car coupler at the same time; applying a vertical load at a preset position on the first car coupler; the bearing reaction force borne by the tail of the target car coupler under the action of the vertical load is determined, so that the calibration relation between the vertical load and the bearing reaction force of the tail of the target car coupler is constructed, and the bearing reaction force of the tail of the target car coupler is the vertical force borne by the tail of the target car coupler and transmitted at the preset position on the first car coupler; the target coupler is one of the first coupler and the second coupler. According to the invention, the accuracy of vertical load transmission calculation is improved.

Systems, methods, and other embodiments described herein relate to a vehicle tire guard that retracts in response to a force. In one embodiment, the vehicle tire guard device includes a tire guard extending downward from a vehicle frame and a retraction system attached to the vehicle frame. The retraction system includes a spring-loaded wheel with circumferential interface elements to engage with and retract the tire guard responsive to a vertical force applied to the tire guard, a curved cam affixed to a planar surface of the spring-loaded wheel, and a spring-loaded rod biased against the planar surface. The spring-loaded rod and cam interact to prevent rotation of the spring-loaded wheel to retract the tire guard until the vertical force exceeds a threshold.

An example implementation involves controlling robots with non-constant body pitch and height. The implementation involves obtaining a model of the robot that represents the robot as a first point mass rigidly coupled with a second point mass along a longitudinal axis. The implementation also involves determining a state of a first pair of legs, and determining a height of the first point mass based on the model and the state of the first pair of legs. The implementation further involves determining a first amount of vertical force for at least one leg of the first pair of legs to apply along a vertical axis against a surface while the at least one leg is in contact with the surface. Additionally, the implementation involves causing the at least one leg of the first pair of legs to begin applying the amount of vertical force against the surface.

The invention relates to the technical field of detection devices, and provides a detection device for a vehicle door handle, the vehicle door handle is provided with a base and a handle hinged to the base, the detection device comprises an operation table, and the operation table is provided with a fixing unit, a driving unit and a reset unit; the fixing unit is used for fixing a base on the vehicle door handle; the reset unit is used for driving the handle to reset; wherein the driving unit is provided with a rotary driving piece and a connecting piece, and the rotary driving piece is provided with an arc-shaped movement track coinciding with the rotating center of the handle; the rotation driving piece drives the handle to rotate relative to the base through the connecting piece, and the motion trail of the rotation driving piece and the rotation path of the handle have the same rotation center, so that the acting force generated by the connecting piece on the handle is always perpendicular to the direction of the extension line of the handle; therefore, the stress state of vertical force application of a palm in actual operation of a passenger is closer, and the working condition reduction degree and the result accuracy of durability testing are remarkably improved.

The invention relates to a ground simulation device for testing an underground logging pup joint, which comprises a logging pup joint and a leak-off ring which are arranged in a kettle body, the logging pup joint is positioned in the leak-off ring, the kettle body is connected with a slurry injection unit, and the slurry injection unit is used for injecting slurry into a space in the leak-off ring and a space outside the leak-off ring. The slurry injection unit is also used for injecting pressure into the leak-off ring, so that the slurry in the leak-off ring is filtered into a mud cake; electromagnets and force measuring sensors are arranged on the left side and the right side of the kettle body, the electromagnets are used for providing suction force for the well logging short section, and the force measuring sensors are used for measuring the suction force of the corresponding electromagnets; the lower end of the kettle body is connected with a vertical force applying unit, and the vertical force applying unit is used for injecting a jam releasing force in the vertical direction to the lower end of the kettle body so as to research the relationship between the jam releasing force and the suction force. Potential hazards possibly caused by testing of the well logging short section in an actual well are greatly avoided, and manpower, material resources and time cost are saved to a great extent.

The invention discloses an offshore wind power foundation design method and system based on the partition progressive stability principle and an offshore wind power foundation, and relates to the technical field of offshore wind power foundation engineering.The method comprises the steps that target site environment parameters, seabed geological parameters and fan unit parameters are obtained, and the design parameter range of a floating body and a built-in foundation is set; based on the partition progressive stability principle, the total overturning moment corresponding to the overall stability constraint under the extreme working condition is distributed to the floating body and the built-in foundation according to the partition distribution coefficient, a floating body restoring moment and built-in foundation anti-overturning moment formula is established, and overall stability, horizontal force and vertical force balance constraint is formed; and with the maximum total restoring moment and the minimum steel consumption as double objectives, target design parameters are optimized and solved by adopting a multi-objective optimization algorithm. Through the torque partition distribution design between the floating body and the built-in foundation, the stable synergistic effect is achieved, the steel consumption per unit megawatt is remarkably reduced to 300 tons or below, and the obvious structural light weight and cost advantages are achieved.

The invention provides a method and a device for measuring a wear coefficient of a roller, electronic equipment and a storage medium, and relates to the technical field of rail transit. A to-be-tested roller and a worn roller are driven to slide relatively; determining the sliding distance of the to-be-tested roller based on the relative sliding rate of the to-be-tested roller relative to the worn roller, the radius of the to-be-tested roller, the number of rotation turns of the to-be-tested roller and the rotation speed of the to-be-tested roller; obtaining the loss weight of the roller to be tested in the wear experiment; and acquiring the vertical force on the contact surface of the worn roller and the to-be-tested roller in the wear experiment and the hardness of the to-be-tested roller so as to acquire the wear coefficient of the to-be-tested roller. According to the invention, the actual wear environment of the roller to be tested on the track is simulated, and the measurement accuracy and authenticity of the wear coefficient of the roller of the track are improved. According to the invention, the actual sliding distance of the to-be-tested roller on the track is accurately calculated, and the measurement accuracy and authenticity of the wear coefficient of the roller of the track are improved.

This utility model discloses a fabric take-up mechanism for a heat setting machine, relating to fabric heat finishing equipment technology. The key technical points are: it includes a frame and a take-up roller. Two symmetrically arranged mounting brackets are rotatably connected to the frame, which also houses a first adjusting roller and a second adjusting roller. The first adjusting roller exerts a downward vertical force on the fabric, which is balanced with the fabric's tension. When the taken-up fabric becomes longer due to setting, the tension is less than the force exerted by the first adjusting roller, causing the first adjusting roller to move downwards. This moves the second adjusting roller away from the take-up roller, lengthening the fabric between the second adjusting roller and the take-up roller, thus re-tensioning the fabric and restoring the tension to balance with the force exerted by the first adjusting roller. This design allows the first and second adjusting rollers to adjust the fabric tension on the take-up roller in real time, reducing the likelihood of wrinkles appearing on the fabric.

The utility model provides an adjustable flame bomb launching device, which relates to the technical field of flame bomb launching, and comprises a base, a support frame is arranged at the top of the base, a launching device main body is arranged at the top of the support frame, a gun barrel is arranged on one side of the launching device main body, a buffer device is arranged at the bottom of the support frame, and the buffer device is arranged on the base. A connecting device is arranged on the surface of the gun barrel, the buffering device comprises a sliding groove, a connecting plate is fixedly connected to the bottom of the supporting frame, when the buffering device is used, namely, when a flame bomb is launched, generated recoil pushes the connecting plate to slide in the sliding groove, and then a first damping rod and a first spring are extruded; the first damping rod is used for damping in the direction away from the supporting frame, due to the fact that recoil force can have force in the vertical direction, the first connecting block slides in the first connecting groove, the first damping rod is prevented from being broken, and buffering can be conducted to a certain degree.

The invention discloses a high-temperature friction testing device for a hydraulic slide valve. The device is composed of a valve element clamping module, a valve body mounting module, a vertical force applying module, a high-temperature heating module and a friction force applying module. The valve element clamping module is composed of a valve element, a valve element centering fixing column, a valve element fixing clamp, a valve element mounting rod and a mounting rod fixing shell. The valve body mounting module consists of an oil storage tank, an oil storage tank fixing plate and a valve body; the vertical force applying module comprises X, Y and Z three-axis guide rails driven by a motor, and pressure and friction force sensors; the high-temperature heating module surrounds the whole valve body and the valve core mounting part; the friction force applying module is driven by a motor to drive the oil storage tank to achieve axial movement of the valve body, and relative friction between the valve element and the valve body is achieved. The device can carry out friction tests of the hydraulic slide valve at different temperatures, realizes friction wear simulation of the hydraulic slide valve under multiple working conditions of oil environment, high temperature, pollution and the like, and provides data support for wear and degradation tests of the hydraulic slide valve.

The invention provides a vehicle control method and related equipment, and can be applied to the technical field of vehicles. The method comprises the following steps: acquiring a first motion parameter of a tractor, a second motion parameter of a trailer and a constraint condition of the slip rate of each wheel of the vehicle; target slip rates of the wheels are determined according to the first motion parameters, the second motion parameters and the constraint conditions, vertical forces of axles corresponding to the wheels are determined according to the first motion parameters and the second motion parameters, the target slip rates are equal, and the vertical forces of the axles corresponding to the wheels are equal. Each target slip rate is smaller than a preset threshold value; determining a ground adhesion coefficient corresponding to the wheel according to the target slip rate corresponding to the wheel, and determining a target braking force of the wheel according to the ground adhesion coefficient corresponding to the wheel and a vertical force; corresponding target braking force is applied to each wheel; the driving safety of the vehicle can be improved.

The utility model discloses an egg support type friction nanometer power generation pavement plate, the power generation principle of the plate is friction power generation and electrostatic induction coupling effect, current is generated through electron transfer generated by interaction between polar materials, and the purpose of pavement power generation is achieved. The plate at least comprises three structural layers, namely a compression-resistant protective layer, a friction nano power generation layer and a high-strength bearing layer from top to bottom, wherein the friction nano power generation layer is provided with a multi-layer egg support type insulating plate, a metal electrode layer, two friction surfaces which are attached to the friction nano power generation layer and have opposite polarities, an elastic support body and a rectifying circuit layer connected with the metal electrode layer. The utility model relates to a pavement plate with a function of collecting pavement vibration energy, which is arranged between a surface layer of a newly-built pavement and a structural layer or between structural layers of an existing pavement, and generates electric energy through a contact-separation friction process of a friction nanometer power generation layer under the action of vertical force and horizontal force generated by wheel load. And the application potential is wide.

The application belongs to the field of aero-engine performance test, and particularly relates to a coupling correction method for calibration of a multi-component force measurement system. X Y Z The method comprises the following steps: step one, when the multi-component force measurement system is calibrated, standard forces f X Y Z in X, Y and Z directions are respectively applied to the tail of a simulation test piece, and voltage output values V1, V2, V3, V4, V5 and V6 corresponding to axial force components F1 and F2, lateral force component F3 and vertical force components F4, F5 and F6 are recorded; step two, load states borne by each force component corresponding to the nozzle position are obtained; and step three, inter-plane coupling force correction is performed based on the load states borne by each force component corresponding to the nozzle position. After the coupling correction, the calibration accuracy of the multi-component force measurement system is improved from ±2% when no coupling correction is performed to better than ±1.5%.

This invention relates to a self-balancing unmanned aerial vehicle (UAV) for tunnel and cave exploration and its operating method. The UAV comprises a frame and a protective shield. The shield is a spherical cage composed of interconnected arc-shaped rings. Each arc-shaped ring has a connecting guide rail in its inner wall. The UAV is located inside the shield. Four balancing supports extend outward along the center line of each support's axis. Each balancing support has a ball at its outer end, which slides within the corresponding guide rail. If the self-balancing UAV accidentally lands, the shield contacts the ground. The UAV is suspended inside the shield by the front ends of the balancing supports and the balls. The UAV's center of gravity is at the lower end of the central frame. The vertical force of the center of gravity causes the central frame to shift towards the vertical line of the shield's center. Simultaneously, this causes the balancing supports and their front-end balls to slide along the guide rails towards a horizontal state parallel to the shield's diameter plane, thus placing the UAV horizontally within the shield. This invention enables the UAV to maintain self-balancing in unexpected situations or in harsh, uneven terrain, allowing it to retake off and conduct exploration without collisions.

The invention relates to a Tripteron-type parallel manipulator configured to provide three purely translational degrees of freedom by means of three orthogonal linear actuators and their respective parallelogram-shaped kinematic chains. The system incorporates an auxiliary active support arranged on the Z-axis, intended to apply an upward vertical force to the moving platform (11) in order to reduce the load borne by the kinematic chain and the main Z-axis actuator. This support can be implemented using electric or pneumatic actuators, elastic elements, or cable-driven mechanisms, allowing for active, passive, or semi-active operating modes.The integration of the auxiliary support increases the manipulator's load capacity, improves its dynamic stability, and reduces the mechanical demands on the vertical actuator, while maintaining the purely translational kinematics and structural characteristics of the original Tripteron unchanged.

The invention discloses an assembly type pile structure quasi-static test system and device. The assembly type pile structure quasi-static test system comprises a model box arranged on one side of a reaction wall. The pile structure model inserted into the inner side of the model box comprises a model main body, a model seat, a left insertion column and a right insertion column which are of an integrated structure, and the left insertion column and the right insertion column are both inserted into soil on the inner side of the model box; according to the fabricated pile structure quasi-static test system and device, by designing a rotary quick connection structure between the vertical force loading cross beams of the model, the stability of the vertical force loading cross beams above is effectively improved, displacement and falling of the cross beams in the test process are avoided, stable proceeding of the test is guaranteed, and the test efficiency is improved. Meanwhile, the subsequent rapid disassembly and assembly of the vertical force loading cross beam are facilitated, and the test convenience is improved; and an auxiliary limiting structure is designed between the rubber support and the model, so that the stability of the rubber support in a test is ensured, and a reliable basic supporting condition is provided for the test.

The invention discloses an angle-adjustable sensor test and compensation method and a test device, and the method comprises the steps: controlling an angle adjustment platform which carries a sensor to change the posture according to a preset angle sequence, exerting a constant vertical force under each posture, and synchronously collecting an output signal; based on mechanical decomposition and signal analysis, an accurate cross sensitivity coefficient and a directional symmetry parameter are obtained through calculation. The problem that the sensor performance degradation caused by the actual installation inclination angle of the sensor is difficult to quantitatively evaluate is solved. And the effects of testing and accurately quantifying the key performance of the sensor under the inclined mounting condition at low cost and high efficiency are achieved.

The utility model relates to the technical field of aircraft landing gears, in particular to a damping mechanism for a main landing gear of a light aircraft, which comprises a landing gear, aircraft wheels, a connecting rod, a vertical damper and the like. The undercarriage is composed of two supporting frames in bilateral symmetry, the left supporting frame and the right supporting frame are in transverse sliding connection through a middle sliding rail, vertical shock absorbers are symmetrically arranged in the rear side of the undercarriage, and each vertical shock absorber is composed of a fixed end, a movable end and a spring. After the airplane wheels are in contact with the ground, pressure is applied to the vertical shock absorbers through the connecting rods, springs of the vertical shock absorbers deform, meanwhile, the connecting rods rotate, accordingly, the oblique shock absorbers are driven to move downwards through the kidney-shaped grooves, springs of the oblique shock absorbers deform, and therefore the airplane wheels are driven to move downwards. Through cooperation of the vertical shock absorbers and the inclined shock absorbers, vertical force and inclined force generated when an aircraft slides can be effectively decomposed and absorbed, the shock absorption effect is optimized, the stability of the undercarriage is improved, and the stable posture of the aircraft on the ground is ensured.

The invention relates to a variable damping-variable rigidity-based crankshaft grinding force measuring device for an aviation unmanned aerial vehicle, which comprises a base and an upper computer used for processing a grinding force detection signal and calculating and outputting a damping-rigidity adjusting parameter, and is characterized in that an aviation unmanned aerial vehicle crankshaft is arranged on the base; a vertical force measuring device used for detecting the grinding force of the grinding wheel in the vertical direction and a horizontal force measuring device used for detecting the grinding force of the grinding wheel in the horizontal direction are arranged on the side portion of the aviation unmanned aerial vehicle crankshaft, and the arrangement direction of the vertical force measuring device is perpendicular to the horizontal force measuring device. The magneto-rheological damping unit and the electromagnetic rigidity unit are integrated in the vertical force measuring device and the horizontal force measuring device, the coil current is adjusted in real time through the upper computer to achieve self-adaptive adjustment of damping and rigidity, the inherent frequency of the measuring device can be changed according to the high-speed dynamic change of grinding force, resonance with a grinding system is avoided, and the measuring precision is improved. Dynamic characteristics of the device are effectively improved and response time is shortened.

The application discloses a landing gear turning moment and three-way force independent testing device based on bearing decoupling, and relates to the technical field of aerospace testing equipment. The vertical loading mechanism applies a vertical force to the landing gear to be measured through the mobile bearing assembly; the landing gear to be measured is controlled to rotate; and the decoupling force measuring assembly is used for measuring the turning torque, horizontal lateral force and longitudinal force of the landing gear. The application decouples force and moment through a pure physical level, perfectly balances the measurement accuracy and range, and has high equipment reliability.

The utility model relates to a kind of aerated concrete platform lifting structure of board breaking machine, including breaking frame, the platform lifting structure for controlling gripper lifting is provided on breaking frame, the platform lifting structure includes the connecting bracket installed on breaking frame, the bottom of the connecting bracket is fixedly connected with trapezoidal block.The aerated concrete platform lifting structure of board breaking machine, the slope surface of extrusion block is matched with the slope of trapezoidal block, the horizontal force output by oil cylinder is converted into vertical force for pushing trapezoidal block to rise, avoid oil cylinder directly bearing aerated concrete vertical gravity and bonding force, so that oil cylinder mainly bears horizontal force, reduce axial stress, avoid oil cylinder long-term high frequency bearing axial force leading to plastic deformation, and gear and two center-symmetrical profiled rack meshing, ensure that two extrusion blocks are synchronously close or far away, so that trapezoidal block is evenly stressed, and lifting is stable, and then the service life of equipment is lengthened.

The invention discloses an ultrathin integral two-component sensor system, and relates to the technical field of two-component sensors, the ultrathin integral two-component sensor system comprises a base, the upper end of the base is provided with a rectangular groove, the bottom end of the rectangular groove is provided with four butterfly-shaped diaphragm plate elastic bodies, the butterfly-shaped diaphragm plate elastic bodies are all provided with bosses, and the bosses are provided with through holes. Four butterfly-shaped template patch areas are arranged at the bottom end of the base, vertical force resistance strain gauges are installed in the four butterfly-shaped template patch areas, horizontal force double-shear-force elastomers are arranged at the two ends of the rectangular groove, blind hole patch webs are arranged at the front portion and the rear portion of the upper end of the base on the two sides of the rectangular groove, and four back face blind holes are formed in the bottom end of the base. And horizontal force resistance strain gauges are mounted in the four back blind holes. Through the integrated design of integrating the horizontal force sensor elastic body and the vertical force sensor elastic body of the high-speed rail into a whole, accumulated assembly errors between the sensor and dispersed components of the sensor are reduced, and the reliability of the sensor serving as metering and detecting equipment is improved.

The utility model provides a VHMT combined load loading device which can independently apply a vertical load, a horizontal load, a bending moment, a torque and any combined load of the loads. The VHMT combined load loading device comprises a support frame and a loading unit arranged in the support frame, the loading unit comprises a vertical and bending moment loading module, a horizontal loading module, a torque loading module and a spherical hinge module; the horizontal loading module is connected with the vertical and bending moment loading module and is used for applying horizontal force; the vertical and bending moment loading module is connected with the torque loading module through a spherical hinge module, and the spherical hinge module is used for transmitting bending moment and force downwards and isolating torque at the same time; the vertical and bending moment loading module is used for applying vertical force and bending moment; the torque loading module is used for applying torque.