51 results about "Balance body" patented technology

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 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 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 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 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.

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 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 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 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.

The utility model discloses a balance with a pallet capable of preventing goods from falling off, and relates to the technical field of pharmaceutical production. The weighing device comprises a balance body and a weighing plate installed on the upper surface of the balance body, a bearing box is placed on the surface of the weighing plate, a sinking assembly is arranged on the upper portion inside the bearing box, and knocking assemblies are evenly arranged at the bottom end inside the bearing box at intervals in the circumferential direction of the bearing box. The tray body can slide towards the interior of the bearing box through the sinking assembly, the outer wall of the bearing box can play a role in protecting medicine in the tray body, the medicine in the tray body is prevented from falling off, free adjustment can be conducted according to the amount of contained medicine, the application range is wide, and the practicability is high. And the medicine attached to the inner wall of the tray body can be shaken off through the knocking assembly, the weight of the medicine is prevented from being affected, and medicine waste is prevented.

The utility model relates to the technical field of weighing equipment, and provides an electronic balance and automatic weighing equipment, and the electronic balance comprises a balance body, a protective cover and a driving mechanism. The protective cover covers the balance body. The protective cover is provided with an opening. And a cover plate is movably arranged at the opening. The driving mechanism is in transmission connection with the cover plate and used for driving the cover plate to move so as to open or close the opening. According to the electronic balance provided by the utility model, the balance body is covered with the protective cover, so that the balance body is ensured to be used for supporting and weighing parts in a dust-free environment. The protective cover is provided with an opening, and the opening is provided with a cover plate used for opening and closing the opening, so that the opening is opened when an object to be weighed needs to be placed on the balance body, the opening is closed under other conditions, and the closeness and cleanliness of the protective cover are maintained as much as possible. Meanwhile, the driving mechanism is arranged to drive the cover plate to open and close the opening, and automatic opening and closing of the cover plate are achieved.

The present application discloses a balancing assembly and a household appliance. The balancing assembly is used for household appliances. The balancing assembly includes a balancing body, a balancing weight, a transmission member and a power component. An annular chamber is provided in the balancing body, and the transmission member is arranged in the chamber and can rotate around the central axis of the chamber in the chamber. The balancing weight is located in the chamber and connected to the transmission member. The power component is fixedly connected to the balancing body, and the power component is configured to drive the transmission member to rotate in the chamber, thereby driving the balancing weight to rotate around the central axis in the chamber. In this way, the power component is fixed relative to the balancing body, and it does not follow the balancing weight to participate in the movement. The power component will not be affected by centrifugal force when driving the transmission member to rotate to drive the balancing weight to rotate, so that the power component and the transmission member can smoothly drive the transmission member to move during the high-speed rotation of the balancing weight, thereby driving the balancing weight to rotate.

The invention relates to the field of building structures, in particular to a spoke type single-layer rigid reticulated shell structure which comprises an inner ring beam, an outer ring beam and a plurality of inner ring beams. The outer ring beam is of a plane structure, and the plane where the outer ring beam and the plane where the inner ring beam are located are not coplanar; the web members are arranged between the inner ring beam and the outer ring beam and used for connecting and supporting the inner ring beam and the outer ring beam which are not coplanar. The inner ring beam and the outer ring beam which are not coplanar and the web members jointly form a reasonable spatial curved surface form, the overall structure is in a three-dimensional stress characteristic, an internal force self-balancing system is formed, only vertical force is transmitted to a lower supporting structure, and the bending moment effect is not generated. Compared with an existing frame and truss structure, the structure height of the support is smaller, the section of the lower supporting structure is smaller, and the structure is light, attractive and economical and applicable; compared with an existing spoke type tensioning structure, the tensioning structure is large in rigidity, small in deformation, easy and convenient to design and construct and higher in adaptability to a building envelope. The invention can be used for building roof structures.

The utility model discloses a device for detecting internal cracks of a connecting rod, which comprises a detection cylinder, a detection head is assembled at the top end of the detection cylinder, a detection seat is mounted at the end part of the detection head, and driving grooves are formed in two ends of the outer wall of the detection cylinder; a guide mechanism is assembled in the driving groove and comprises sliding blocks installed at the two ends in the driving groove, and hinge rods are assembled at the top ends of the two sliding blocks. A balance plate is assembled at the top ends of the two hinge rods, a balance body is installed at the top end of the balance plate, a balance cavity is formed in the balance body, and rolling wheels are evenly assembled in the balance cavity from left to right; the device for detecting the internal cracks of the connecting rods is reasonable in structural design, the two guide mechanisms are arranged on the outer wall of the detection cylinder, rollers are arranged in balance bodies in the guide mechanisms and can be attached to the inner walls of the connecting rods to move, and different connecting rods can be conveniently adjusted through cooperation of hinge rods and sliding blocks; therefore, the connecting rod inner wall detection efficiency is improved.

The invention discloses a bionic manipulator, and belongs to the technical field of manipulators, the bionic manipulator comprises a palm, the palm is provided with five fingers, and the fingers comprise a thumb, an index finger, a middle finger, a ring finger and a little finger; the palm comprises a palm body, and the palm body comprises a thumb connecting groove for connecting a thumb and finger connecting grooves for connecting an index finger, a middle finger, a ring finger and a little finger; each finger comprises a first knuckle connected with the palm, the other end of each first knuckle is connected with a second knuckle, and the other end of each second knuckle is connected with a third knuckle. According to the bionic manipulator based on the tensegrity structure, the structure is simplified by means of a'pulling-pressing 'balance system formed by the continuous inhaul cables and the discrete pressing rods, and the composite motion of'bending and tiny side swaying' of human fingers can be simulated.

The application discloses a self-balanced system optimization method and system for an ultra-large-span suspension bridge. The method comprises the following steps: establishing a finite element model of the ultra-large-span suspension bridge, setting a pushing rod on the top of a bridge tower or applying a forced balance force to construct a sliding model of a cable saddle; applying a design load, and adjusting the sliding model of the cable saddle; calculating structural stress of the ultra-large-span suspension bridge and eccentric pressure generated by the cable saddle in the sliding process; obtaining a sliding state of the cable saddle and an influence result of the sliding state on the structural stress of the ultra-large-span suspension bridge; and optimizing self-balanced system parameters. The application does not need special software support, has the characteristics of high calculation efficiency and strong universality, and can significantly reduce the stress of the bridge tower, improve the overall rigidity and stability of the structure, and provide scientific basis and technical support for the design and construction of the ultra-large-span suspension bridge.

The utility model belongs to the technical field of port emergency rescue equipment, and particularly relates to an emergency pool connecting pedestal adaptive to a transport vehicle with a guide plate, which comprises a pedestal body, guide plate avoiding notches are reserved at four corners of the pedestal body in a cross shape when overlooked; the middle of the pedestal body is a bearing body, and cuboids on two sides outside the pedestal body are balance bodies. A plurality of lock holes are formed in the upper surface of the bearing body, and a plurality of positioning holes are formed in the lower surface of the bearing body. The emergency pool can solve the problem that the adaptability of the emergency pool and a standardized transportation tool is insufficient, the emergency rescue efficiency is improved, and the emergency pool has good market application prospects.

The invention discloses a high-load small-deformation force measuring device and a decoupling method, and belongs to the technical field of mechanical measuring devices, and the high-load small-deformation force measuring device comprises a balance body which is of a flat strip structure; flat inner cavities are symmetrically processed on the two sides of the balance body, two symmetrical tension-compression elements are longitudinally arranged in each flat inner cavity, and two groups of orthogonal double-cross decoupling hinges are symmetrically arranged at the upper end and the lower end of each tension-compression element respectively; the disconnecting groove is obliquely formed in the middle of the balance body, and the balance body is divided into a front end and a rear end by the disconnecting groove; the two bending and twisting elements are respectively and transversely arranged in the flat inner cavity, the front end and the rear end of the balance body are connected only through the tension-compression element and the bending and twisting elements, and grid-shaped decoupling elastic pieces are arranged between the bending and twisting elements and the balance body. The flat inner cavity space of the model is fully utilized, the balance is designed to be of a flat structure, and the overall deformation resistance of the balance is improved on the premise that the sensitivity requirement of each component is met.

The invention relates to the technical field of fluid machinery, in particular to a slightly-opened low-flow-resistance swing check valve which comprises a valve body, a valve rod, a valve rod, a valve rod, a valve rod, a valve rod and a valve rod. The valve clack assembly is installed in the valve cavity and comprises a valve plate, a gravity balance body and a balance weight mechanism. Wherein one end of the valve plate is rotationally connected with the side wall of the valve cavity and is connected with the gravity balance body; the gravity balance body and the rotating axis of the valve plate are eccentrically arranged, and the gravity balance body can drive the valve plate to rotate in the direction away from the flow inlet channel; the balance weight mechanism is installed on the rotating path of the valve plate, can rotate along a preset axis and is limited to the side, away from the flow inlet channel, of the valve plate. In the installation state, the counterweight mechanism can limit the opening angle of the valve plate. The overflow capacity of the valve can be fully guaranteed, and meanwhile the situation that the opening degree is insufficient or the valve clack flutters is avoided.

The present disclosure relates to a device (32) for improving radar wave (λ) transmission behavior, comprising a wall section, in a first position a first surface and a second surface are positioned relative to each other at a first wall thickness distance, in a second position the first surface and the second surface are positioned relative to each other at a second wall thickness distance, the first wall thickness distance (dw1) and the second wall thickness distance (dw2) differ from each other by a first difference (Δ1); and a balancing body mounted on the first surface of the wall section, in a first position a first body surface and a second surface are positioned relative to each other at a first travel distance, in a second position the first body surface and the second surface are positioned relative to each other at a second travel distance, the first travel distance (de1) and the second travel distance (de2) differ from each other by a second difference (Δ2), the second difference (Δ2) is smaller than the first difference (Δ1). The present disclosure also relates to an exterior cladding component of a vehicle and a vehicle comprising the exterior cladding component.

There is provided improved balancing of a rotor shaft assembly (124) for a machine tool (100). The rotor shaft assembly (124) comprises an elongated body for forming a rotor axis (112), and a guiding portion for balancing the machine tool (100), arranged at an end of the elongated body. The guiding portion comprises a connector for a tool (110) or tool shaft (104) and an orbit path (117) that is concentric with a longitudinal direction of the elongated body and eccentric with respect to the connector for a tool (110) or tool shaft (104); wherein the guiding portion comprises two or more balancing bodies (126) arranged movable at the orbit path (117) in a plane that is parallel to a radial direction of the rotor shaft assembly (124).

This invention discloses a high-load, small-deformation force measuring device and decoupling method, belonging to the technical field of mechanical measurement devices. It includes: a balance body, which is a flat, elongated structure; flat inner cavities symmetrically machined on both sides of the balance body, with two symmetrical tension / compression elements longitudinally arranged in each cavity, and two sets of orthogonal double-cross decoupling hinges symmetrically arranged at the upper and lower ends of each tension / compression element; a discontinuity groove, inclinedly arranged in the middle of the balance body, dividing the balance body into a front and rear section; and two bending / torsion elements, respectively arranged laterally in the flat inner cavities. The front and rear ends of the balance body are connected only through the tension / compression and bending / torsion elements, with grid-like decoupling springs between the bending / torsion elements and the balance body. This invention fully utilizes the flat inner cavity space of the model, designing the balance as a flat structure, thereby improving the overall deformation resistance of the balance while meeting the sensitivity requirements of each component.

The utility model relates to the field of balances, in particular to a balance with a dustproof structure, which is characterized in that a base is arranged at the bottom of a balance body, mounting grooves are arranged on two sides of the base, a first side plate and a second side plate which are mutually folded and mounted are arranged in the mounting grooves, and the first side plate and the second side plate are connected through an elastic rope. And the first side plate is clamped and locked with a clamping seat arranged at the upper part of the balance body after being rotated and unfolded. According to the utility model, the two sides of the balance are provided with the folded and stored side plate assemblies, the side plate assemblies are in butt joint through the elastic ropes, the limiting columns and other assemblies, the first side plate and the second side plate can be unfolded during use, and the remaining splice plates can be taken out from the storage cavity of the balance so as to achieve the effect of rapid installation; the dustproof mechanism can be quickly set up at the upper part of the balance, and is convenient to operate and carry.