83 results about "Balance body" patented technology

The invention provides a repairable self-balancing multi-stage pump, which relates to the technical field of multi-stage pumps, and comprises a pump body, a rotor structure, a first bearing assembly and a second bearing assembly, at the position of the water outlet section, the pump body is provided with a first annular support and a second annular support; a balance body is arranged on the rotor structure; the first support wraps the balance body, and a first gap is formed between the first support and the balance body. The second support is arranged on the side, away from the multi-stage impeller, of the balance body, and a second gap is formed between the second support and the balance body. The first gap and the second gap form gap sealing; the rotor structure can adjust the assembling position in the axial direction so as to adjust the size of the first gap and the size of the second gap. The assembling position of the second support can be adjusted in the axial direction so that the size of the second gap can be adjusted; and the first support is kept fixed. In the maintenance process, different abrasion compensation amounts can be applied to the first gap and the second gap, and the maintainability of the multi-stage pump is further improved.

The invention belongs to the technical field of rail transit, and provides a train air spring active tilting system which is mainly characterized in that a displacement signal and an active tilting angle of a balance body in a balance sensor are acquired, and a controller judges whether a train is in a straight road section or a curve road section according to the displacement signal; if yes, a first current signal is output to the active tilting valve, at the moment, the active tilting valve is controlled to inflate an air spring on one side and perform active tilting, and in the active tilting process, the controller outputs a second current signal to the corresponding electromagnetic flow control valve according to the active tilting angle and controls the opening degree of the switched-on electromagnetic flow control valve to control the electromagnetic flow control valve to perform active tilting. The inflation flow is controlled; when the train is in a straight road section or the active tilting system breaks down, the first current signal is not output to the active tilting valve, at the moment, the air springs on the two sides are in the original working state, and the air pressure difference of the air springs on the two sides is maintained within a certain range.

This invention relates to a distributed intelligent wireless balance, belonging to the field of wind tunnel balance measurement technology. It addresses the problem of intelligent measurement in wind tunnel balances. The invention features connectors installed at the center of the left and right end faces of the balance body, and strain gauge protective covers installed at the left and right ends of the balance body. The strain gauges are mounted on the balance body, located below the strain gauge protective covers. A main control module is installed in the middle of the balance body, and a circuit board protective cover is mounted on the main control module. The main control module is connected via an RS-485 bus to a vibration sensor, an angle sensor, a data acquisition module, and a temperature sensor mounted on the balance body. The vibration sensor and angle sensor are respectively located to the left and right of the main control module, the temperature sensor is located below the main control module, and the data acquisition module is located below the vibration sensor and angle sensor, respectively. This invention significantly improves the intelligence level of the balance.

The utility model relates to the field of electronic balances, in particular to a dustproof balance which comprises a balance body, sliding grooves are arranged on two sides of the front end and the rear end of the top of the balance body, sliding blocks are arranged in the sliding grooves, a first protective cover is arranged on the two sliding blocks at one end of the top of the balance body, and a second protective cover is arranged on the other end of the top of the balance body. The first protective cover and the second protective cover are in the same half-frame shape, and the first protective cover and the second protective cover can be combined to form an integral square-frame-shaped protective cover which can cover the top of the balance body. The sliding blocks are arranged below the two half-frame protective covers, the sliding blocks drive the half-frame protective covers to move left and right to achieve opening and closing of the protective covers, and therefore a cover plate does not need to be arranged, the protective covers can be prevented from being attached to stains on a table top, and analysis is prevented from being affected.

The invention relates to the technical field of logistics transportation equipment, in particular to a transport vehicle adaptive to all terrains, which comprises a vehicle body, a main crawler wheel mounted at the bottom of the vehicle body, a first auxiliary crawler wheel mounted at one end of the main crawler wheel of the vehicle body, and a second auxiliary crawler wheel mounted at the other end of the main crawler wheel of the vehicle body, the main crawler wheel, the first auxiliary crawler wheel and the second auxiliary crawler wheel are all driven by a hydraulic motor; the balance body is movably installed in an inner cavity of the vehicle body, a cylindrical groove is formed in the side wall of the vehicle body, and the balance body and the cylindrical groove are coaxially arranged; the tray is mounted on the balance body, and when the vehicle body climbs stairs, the tray can rotate along with the balance body to adjust the center-of-gravity position of the whole transport vehicle, so that the transport vehicle is more stable in the stair climbing process; according to the scheme, the design that the main crawler wheel is cooperatively matched with the first auxiliary crawler wheel and the second auxiliary crawler wheel is innovatively adopted, the terrain limitation is successfully broken through, and complex road conditions such as stairs and rugged mountain roads can be easily handled.

The utility model relates to a rotor balance block and a motor and a compressor with the same, the rotor balance block comprises an arc-shaped balance body, one side surface of the balance body is a step-shaped windward side, and the other side surface of the balance body is a step-shaped leeward side; the inner diameter face of the balance body is an inclined face, the inner diameter face of the balance body inclines in the direction away from the outer diameter face of the balance body from top to bottom, and the included angle alpha between the inner diameter face and the lower end face of the balance body is larger than 10 degrees and smaller than 90 degrees. According to the rotor balance block, the inner diameter surface adopts the inclined design, vertically upward fluid at the inner diameter can be reduced, the oil spitting direction is improved so as to reduce the oil spitting amount, and the windward surface and the leeward surface both adopt the inclined design, so that wind resistance and fluid noise can be reduced.

The utility model relates to electronic balance technical field provides a stable platform for placing electronic balance, including the workbench of electronic balance placement and the bottom plate located below the workbench, and the workbench is arranged in parallel with the bottom plate, the workbench is established above the bottom plate through the support rod, and the bottom plate is equipped with the adjusting assembly for adjusting the levelness of the bottom plate, the utility model discloses adjusting the levelness of the bottom plate through adopting adjusting assembly, thereby the levelness of the workbench parallel with the bottom plate is calibrated, ensures that electronic balance is in the horizontal state and works, specifically, because the bottom end fixed mounting of threaded rod has the support plate, the bottom end fixed mounting of support plate has rubber shock pad, so the up and down movement of threaded rod will push the up and down movement of support plate and rubber shock pad, when the workbench is placed on the uneven ground, can adjust the threaded rod of different position, make the workbench reach the horizontal state, ensure that the balance body is measured on the horizontal plane, improve the accuracy of measurement result.

The utility model relates to the related technical field of electronic scales, in particular to a high-precision electronic scale, which comprises an electronic scale body, and a cover body is arranged at the top of the electronic scale body; the first supporting leg is fixedly connected to the bottom of the electronic balance body; the second supporting leg is connected into the first supporting leg in a sliding mode; the adjusting rod is rotationally connected to the bottom of the electronic balance body; the edge of the electronic balance body is manually pushed or pulled, the levelness of the electronic balance body is adjusted, after adjustment is completed, the adjusting rod is rotated anticlockwise, the height of the second supporting leg is subjected to extrusion limiting, limiting of the heights of the first supporting legs is canceled at the same time, and therefore the levelness of the electronic balance body is conveniently adjusted; according to the electronic balance, the adjusting efficiency can be improved through a simultaneous fixing mode, the cushion block can be in direct contact with the object carrying surface all the time through rotation of the cushion block on the ball body, the stability is improved, and the problem that an existing electronic balance does not have a good adjusting function is solved.

The present invention relates to a method for assisting the turning over of arch ribs by using a hoist and a cable crane, belonging to the technical field of long-span bridge construction. Through the partition optimization of the lifting point design, dynamic load distribution, hierarchical synchronous control and intelligent monitoring feedback, three types of lifting points with complementary functions are accurately configured according to the damage degree partition, so that the pressure is transmitted along the main path of the gusset plate, the bending moment is balanced by the sliding lifting points, and the tension is absorbed by the concrete, forming an internal force closed loop and a tension-compression self-balanced system; the nonlinear compensation of the sliding lifting points is realized through the displacement-angle function to ensure the bending moment balance of the lower chord pipe and the geometric coordination of the arch rib turning; a three-stage hierarchical control strategy is adopted to trigger the reverse torque, which not only ensures the structural stiffness requirements in each stage but also avoids stress mutation; the lossless conversion of the self-balanced system to the permanent structure is completed, systematically solving the problems in the prior art that the lifting point arrangement method not only causes potential damage risks to the structure but also leads to redundant lifting equipment capabilities.

The utility model relates to the technical field of wagon balances, and discloses an intelligent wagon balance which comprises a base, a hydraulic cylinder is arranged on the outer wall of the base, a pushing column is fixedly connected to the output end of the hydraulic cylinder, a transmission assembly is arranged on the outer wall of the pushing column, and idler wheels are rotationally connected to the outer wall of the transmission assembly. A top plate is arranged on the upper surfaces of the rollers, a bottom plate is fixedly connected to the upper surface of the top plate, and a detection assembly is fixedly connected to the upper surface of the bottom plate. According to the utility model, the hydraulic cylinder drives the pushing column to lift, the pushing column drives the rotating shaft to lift, thereby driving the first rotating plate to rotate, the rotating shaft drives the second rotating plate to rotate, further the first rotating plate and the second rotating plate drive the rollers to rotate, and finally the rollers drive the top plate to lift, thereby realizing the lifting of the wagon balance body. Therefore, the effects that the height can be flexibly adjusted, manual intervention is not needed, and labor intensity and time investment are greatly reduced can be achieved.

A variable mass balance rod (120-320, 520-820) is provided. The variable mass balance rod (120-320, 520-820) includes a balance body (122-322b, 522-822) containing a balance fluid (124-324b, 524-824), wherein the mass of the balance fluid (124-324b, 524-824) is selected to balance a measurement conduit (110-310, 510-810) containing a process material.

The utility model discloses a rapid quantitative salt adding device, which is characterized in that the upper surface of a balance body is detachably connected with a windproof cover, the top in the windproof cover is provided with a funnel, and the inside of the windproof cover is fixedly connected with a salt storage box; a flow guide groove is formed in the salt storage box, a telescopic rod is arranged in the salt storage box, a spring is arranged in the telescopic rod, a flow guide slope is fixedly connected to the lower surface of the telescopic rod, a check block is fixedly connected to the lower surface of the flow guide slope, a semi-arc block is arranged on the check block, and a rotating rod and an auxiliary rod are arranged on the inner wall of the windproof cover. The rotating rod and the auxiliary rod are fixedly connected through a connecting protruding rod, and a rotating ring is arranged on the connecting protruding rod. By means of the device, through cooperation of the flow guide groove, the telescopic rod, the spring, the check block, the connecting protruding rod and the rotating ring, an operator can easily control the salt release amount through external rotation, so that the salt adding amount is precisely adjusted, and the working efficiency and precision are greatly improved.

The invention discloses washing equipment, which comprises an inner barrel, an outer barrel, a washing machine, a washing machine, a washing machine, a washing machine, a washing machine and a washing machine control device, wherein the inner barrel is provided with an inner barrel body and a balance ring assembly; the balance ring assembly is provided with a balance body and a fan blade structure which is fixedly arranged at the lower end of the balance body and can generate airflow when the inner barrel rotates. A plurality of water permeable holes and a plurality of first air ports for air flow to pass through are formed in the inner barrel body, and the first air ports are located on the outer side of the fan blade structure. A fan blade structure is arranged at the lower end of the balance body, and air flow is generated when the inner barrel rotates and can be used for air-drying clothes; firstly, the space can be reasonably utilized, the balance body is annular, the upper end face and the lower end face of the balance body are planes, and the fan blade structure is arranged through the space below the balance body; and 2, the operation steps of a user are reduced, and the fan blade structure does not need to be placed and taken down. When the inner barrel rotates, the fan blade structure is driven to rotate to form circulating air-drying airflow inside and outside the inner barrel. Gas between the inner barrel and the outer barrel reaches the fan blade structure through the first air opening and flows into the inner barrel under the pushing of the fan blade structure; then, the water tank moves downwards in the inner barrel and gradually turns outwards, and reaches the outer side of the inner barrel through the water permeable holes; and then the airflow moves upwards along the space between the outer barrel and the inner barrel.

The application relates to the technical field of tobacco production devices, and discloses a tobacco stem arrangement device which comprises a vibrating groove, an intermediate frame, a balance body and a swing rod, both ends of the swing rod are hingedly connected to the vibrating groove and the balance body, the middle part of the swing rod is hingedly connected to the intermediate frame, a carding assembly is arranged between the vibrating groove and the intermediate frame, the bottom of the vibrating groove is provided with a sieve hole, the carding assembly comprises a conveying belt and carding plates, the carding plates are arranged on the conveying belt, the spacing between adjacent carding plates is smaller than the length of the tobacco stem, one end of the conveying belt in the length direction is provided with an arc-shaped guide plate, and a transmission column is arranged between the conveying belt and the vibrating groove; when the vibrating groove vibrates under the drive of the balance body, the transmission column can drive the conveying belt to vibrate. The original vibrating groove is used to vibrate and arrange the tobacco stems on the conveying belt, no additional power source is needed, the arrangement and posture keeping of the tobacco stems on the conveying belt can be completed, the grinding structure and the protrusions on the carding plates can assist the posture arrangement and keeping of the tobacco stems, and the posture of the tobacco stems cannot be greatly changed during transportation.

The utility model relates to the field of balances, in particular to a balance with an airflow protection function, which is characterized in that one side of the upper part of a balance body is provided with a mounting rack, the middle part of the mounting rack is provided with a connecting rack through a damping slide rail, one end of the connecting rack is connected with a protection frame, and the bottom side of the inner wall of the protection frame is provided with a pair of limiting grooves; a supporting plate is slidably mounted on one side of the limiting groove through a sliding block in a limiting mode, a pulling plate is mounted at one end of the supporting plate, and one end of the pulling plate penetrates out of the mounting frame and is clamped with the connecting frame in a matched mode. According to the utility model, the mounting rack is matched with the transparent side plate and the transparent front plate which are arranged at the bottom to realize a protection function, external airflow and dust can be effectively protected, and meanwhile, a measuring piece is placed in the feeding cabin and is matched with the connecting rack and the supporting plate to be placed above the balance in the measurement process; the measuring piece can be placed on the balance for measurement by pulling out the supporting plate, and meanwhile, the transparent front plate can be pulled out and detached for placing the measuring piece, so that the reliability and the accuracy under the measurement condition are effectively ensured.

The application discloses a kind of aircraft mass center measuring device and measuring method, the measuring device includes base, bearing combination, shaft, storage board, measuring block, balancing body, pull rope fixed shaft, pull rope, electronic force gauge, level, locking pin and fixed seat;Base is connected with shaft by bearing combination, storage board is fixed with shaft, storage board is locked with base by locking pin, fixed seat is fixed on one side of storage board, the two side faces of fixed seat can install aircraft, the two side faces are perpendicular to the upper surface of storage board, the two side faces are parallel to the rotation center line of shaft, level, measuring block, balancing body and pull rope fixed shaft are installed on the other side of storage board, measuring block, balancing body can be individually slid and locked on the other side of storage board, the center line of pull rope fixed shaft is parallel to the rotation center line of shaft, electronic force gauge is connected with pull rope fixed shaft by pull rope, the device is simple in structure, without installing multiple sensors, operation, observation and data processing are convenient, and cost is low.

The present invention belongs to the technical field of rail transit, and proposes a train air spring active tilting system. The system mainly obtains the displacement signal of the balance body in the balance sensor and the active tilting angle, and the controller judges whether the train is on a straight section or a curved section according to the displacement signal. If it is a curved section, a first current signal is output to the active tilting valve. At this time, the active tilting valve is controlled to inflate one side of the air spring for active tilting. During the active tilting process, the controller outputs a second current signal to the corresponding electromagnetic flow control valve according to the active tilting angle, and controls the opening degree of the electromagnetic flow control valve that is turned on to control the inflation flow rate; when the train is on a straight section or the active tilting system fails, the first current signal is not output to the active tilting valve. At this time, the air springs on both sides are in the original working state, and the air pressure difference between the air springs on both sides is maintained within a certain range.

The utility model discloses a wagon balance with a supporting structure, which comprises a wagon balance body, supporting inclined plates symmetrically arranged on the left side and the right side of the wagon balance body, a cleaning assembly arranged above the wagon balance body and used for cleaning sundries scattered at the upper end of the wagon balance body, and a supporting plate arranged above the supporting inclined plates and used for supporting the supporting inclined plates. The supporting plate is fixed to the middle of the upper end of the wagon balance body, a photovoltaic panel assembly is installed at the upper end of the supporting plate, and a shooting device used for recording is fixedly installed in the middle of the inner wall of the upper end of the supporting plate. According to the wagon balance with the supporting structure, the supporting inclined plate and the wagon balance body can be conveniently assembled and positioned, the upper end of the wagon balance body can be automatically cleaned through the arrangement of a lead screw and a cleaning assembly, sundries scattered on the wagon balance body do not need to be manually cleaned, manpower is saved, a shooting device is installed on the supporting plate, and the shooting device is convenient to use. And information of vehicles and goods can be shot and recorded.

The utility model provides unattended wagon balance equipment, which relates to the field of wagon balances and comprises a wagon balance body, two ends of the wagon balance body are respectively provided with a vehicle ramp and an infrared light curtain, and an inner cavity of each vehicle ramp is provided with a blocking mechanism. The infrared light curtain is used for detecting whether a vehicle is completely weighed or not, after the vehicle is completely weighed, the infrared light curtain can transmit data to the PLC, the PLC controls the air cylinder to extend, the air cylinder drives the cross rod and the toothed plate to move while extending, the toothed plate is meshed with the gear, the gear rotates to drive the baffle to turn over, and the baffle is driven to turn over. After the baffle is turned over, an isolation barrier is formed on the vehicle ramp, the weighing sensor weighs the weighing vehicle, when the actual weight is smaller than the maximum weighing value set by the weighing sensor, the weighing sensor transmits data to the PLC, the PLC controls the air cylinder to contract, the baffle is reset, and the vehicle can pass normally.

A large-diameter straight pipe pressure balance type expansion joint with external pressure bellows balance for peripherals is provided with a working bellows. At both sides of the working bellows, one end pipe is respectively connected. Along the circumferential direction on the outer sides of the two end pipes, multiple groups of tie rod assemblies and multiple groups of external bellows balance assemblies for peripherals are arranged. Multiple groups of external bellows balance assemblies for peripherals are evenly distributed in the circumferential direction of each end pipe. The external bellows balance assembly for peripherals consists of a guide plate, an end ring, an external pressure balance body, and a pressure connection pipe. The guide plate and the end ring are sleeved on the end pipe on the same side. Both ends of the external pressure balance body are respectively fixedly connected with the guide plate and the end pipe. The external pressure balance body is provided with an external balance cavity surrounded by an external bellows and a connecting piece. The outer side of the external bellows is located in the external balance cavity. The external balance cavity is communicated with the end pipe on the same side through a pressure connection pipe. Multiple groups of tie rod assemblies are evenly distributed in the circumferential direction of each end pipe. The present invention can greatly reduce the supervision and manufacturing difficulty of the expansion joint and reduce the product cost at the same time.

The utility model discloses a wagon balance with a car washing function, comprising a wagon balance body which is connected in an installation pit, two opposite sides of the wagon balance body in the length direction and two opposite side walls of the installation pit are arranged at intervals, and two installation spaces are formed between the two opposite sides of the wagon balance body in the length direction and the two opposite side walls of the installation pit; the two drainage ditches are respectively accommodated in the two mounting spaces, the tops of the two drainage ditches are not higher than the wagon balance body, and the two drainage ditches are communicated with a sewer; the weight house is used for displaying the weight of the wagon balance body, is positioned on one side of the mounting pit, and is connected with the wagon balance body; and the high-pressure water gun is used for washing the car and is arranged on one side of the mounting pit, waste water for washing the car is conveniently discharged by arranging the wagon balance, and the service life of the wagon balance is prolonged.

The utility model relates to the field of balance devices, in particular to a balance convenient for adjusting the levelness of a base, the bottom of a balance body is provided with the base, the outer side of the base is symmetrically provided with a plurality of adjusting grooves in a rectangular shape, the adjusting grooves are internally and rotatably provided with adjusting needles through worms in a limiting manner, and the other ends of the worms extend into the base; the middle of the worm gear is connected with a rotating rod, the bottom of the rotating rod is connected with a supporting column through a threaded rod, and the supporting column is installed at the bottom of the base. According to the utility model, by observing the bubble level arranged at the bottom of the balance body and rotating the adjusting needle at the corresponding position, the worm is driven to drive the threaded rod to rotate so as to drive the supporting column to adjust the corresponding height, and meanwhile, the rotatable supporting pad is arranged at the bottom of the supporting column so as to effectively grab a placement surface; the placement stability of the base and the measurement precision are ensured.

The utility model relates to the technical field of rocker vibrating conveyors, and discloses a light rocker vibrating conveyor which is composed of a conveying groove body, a balance body, a base, a proportional rocker and a vibration excitation device, the base is arranged at the lowermost end of the conveying groove body, the balance body is installed at the lower end of the base, and the proportional rocker is arranged in the conveying groove body. A vibration excitation device is installed at the lower end of the balance body, a proportional rocker is arranged on one side of the balance body, the vibration excitation device is driven by a motor driving a conveying belt, the vibration excitation device is composed of a set of eccentric connecting rods, and the eccentric connecting rods drive the balance body to do linear motion. According to the light rocker vibrating conveyor, the structure of the light rocker vibrating conveyor is simple and clear, and the light rocker vibrating conveyor is relatively easy to maintain. The downtime of the equipment can be shortened, the service life of the equipment can be prolonged, and the lightweight rocker conveyor can keep higher operation efficiency in the production process due to the characteristic of easiness in maintenance, so that the overall production efficiency is improved.

This invention provides a pipe-integrated six-component jet balance and its usage method. The jet balance features an integrally formed axial force element, a five-component element, and a support rod connector, coaxially arranged along the negative X-axis. A pipe runs through the entire balance axis, and the five-component element and support rod connector are equipped with grooves. The axial force element adopts a spoke-type structure, consisting of a moving ring, a stationary ring, and transverse and vertical sensitive beams. The five-component element comprises front and rear rectangular beams and a central cylindrical beam. The support rod connector features a conical inner cone and wedge holes. Strain gauges are mounted on both the axial force element and the five-component element to form a Wheatstone bridge, enabling independent measurement of the six components. This invention integrates the pipe into the balance body, completely avoiding interference from contact between the pipe and the sensitive element, significantly improving force measurement accuracy. The overall structure is compact, with a small diameter and light weight, facilitating calibration and installation. Its usage method is simple to install, provides stable signal output, and can efficiently complete wind tunnel jet force measurement tests.

The utility model discloses a high-precision balance outer cover for weighing a battery piece, which belongs to the field of detection instruments, and comprises a base and an upper cover which are arranged on the upper side surface of a balance body, a clamping part is arranged on the base, the upper cover is adaptively arranged in the clamping part, and a windproof cover in the prior art is replaced by the base and the upper cover which are folded up and down. When the upper cover is opened, the process of placing the battery piece on the base is not blocked, and the problems that in the prior art, when a high-precision balance weighs the battery piece, due to the existence of a wind shield, the battery piece is inconvenient to take, and the battery piece is likely to collide with the side wall of the wind shield to be damaged are solved.

The present application discloses a balancing component and a household appliance. The balancing component is used for a household appliance. The balancing component includes a balancing body, a balancer, and a wire pulling device. A ring-shaped tooth portion. An annular chamber is formed in the balancing body. The balancer is disposed in the chamber. The balancer includes a power component for driving the balancer to move in the chamber. The wire pulling device is disposed on the balancing body. The wire pulling device includes a winding mechanism and a wire. The wire is wound around the winding mechanism. The wire is connected to the balancer. The winding mechanism is configured to release or wind the wire when the balancer moves in the chamber, so that the wire remains connected to the balancer. When the balancer moves in the chamber, the winding mechanism of the wire pulling device can release or wind the wire, so that the wire can always remain connected to the balancer to achieve power supply and / or communication, improving the reliability of the power supply and / or communication connection of the balancer.

The invention relates to an inner ballistic trajectory design method for a floating series double-chamber balance gun. The inner ballistic trajectory design method comprises the steps of dividing an inner ballistic trajectory process period, establishing a gunpowder combustion model in a main chamber and an auxiliary chamber, establishing a projectile motion model, establishing a balance body motion model, establishing an auxiliary chamber motion model and establishing an inner ballistic trajectory energy conservation model. Based on a novel floating series-connection double-chamber structure for a balance gun, construction of an inner ballistic model is completed, and optimization design is conducted on the chamber structure and charging parameters. The problem that a large-diameter barrel weapon generates high bore pressure under the high initial speed index can be effectively solved. On the premise that the maximum chamber pressure is not increased, secondary acceleration of the projectile is achieved, and the outlet speed and the flight performance of the projectile are remarkably improved. According to the method, an important theoretical reference and a practical technical method are provided for design and development of the high-initial-speed large-caliber balance gun in the future, and the method has wide application prospects and great military value.

The utility model discloses a weight adjusting structure for changing the load of a six-degree-of-freedom industrial robot, which is characterized in that at least one group of load mounting holes for accommodating a hollow structure of a load-bearing unit is arranged on a balance body of an auxiliary rod of the robot, the load-bearing unit comprises a load-bearing main body, and the load-bearing main body is fixedly connected with a decorative cover plate; a plurality of bolt holes are formed in the edge of the decorative cover plate at equal intervals, mounting spigots with the diameter larger than that of the load mounting holes are formed in the outer edges of the load mounting holes, the mounting spigots are consistent with the outer contour of the decorative cover plate, and the depth of the mounting spigots is consistent with the thickness of the decorative cover plate; threaded blind holes in one-to-one correspondence with the bolt holes are formed in the mounting seam allowance, and the hanging load bearing unit is fixed in the load mounting hole through bolts. The load of the robot can be changed by adjusting the load, the problem that gaps are too large due to the fact that the faying faces of a plurality of casting parts cannot be perfectly matched is effectively solved, and the original product appearance and attractiveness are reserved.

The utility model relates to a drilling device for scale body production, and belongs to the technical field of scale body machining, the drilling device comprises a three-axis moving mechanism and a positioning mechanism used for fixing a scale body, the three-axis moving mechanism is arranged at the top of the positioning mechanism, and a drilling machine is installed on the three-axis moving mechanism; the positioning mechanism comprises a base, an end stop block, a side stop block, an end pressing air cylinder and a side pressing air cylinder. The three-axis moving mechanism is adopted to control the position of the drilling machine, the positioning mechanism used for fixing the scale body is arranged below the three-axis moving mechanism, the positioning mechanism is simple in structure and good in positioning effect, after positioning is completed, the three-axis moving mechanism can achieve automatic drilling, the drilling precision is high, and the production efficiency is greatly improved.

This application relates to the field of universal testing machine technology, and in particular to a universal testing machine with a leveling device, comprising a testing machine body including an indenter and a platform; a top mold for placing concrete core samples, with a spherical balancing body connected to its bottom; and a bottom mold with a cylindrical platform connected to its top, the top wall of which has a spherical groove matching the balancing body, the balancing body fitting snugly against the groove wall, and a gap between the top wall of the bottom mold and the bottom wall of the top mold. This application improves the accuracy of concrete core sample strength testing.