16 results about "Beam balance" patented technology

The invention relates to the technical field of bridge engineering construction, and particularly discloses suspension bridge deck steel beam cable hoisting equipment which comprises a sports car, a hoisting tool and a hoisting cable, the hoisting tool is used for being connected with a steel beam, the sports car is installed on a bearing cable and can move on the bearing cable, the hoisting tool is connected with the sports car through the hoisting cable, a pulley seat is arranged on the hoisting cable, and a connecting seat is arranged on the hoisting tool. The pulley seat and the connecting seat are hinged through a pin shaft to form four lifting points, the hoisting cable is connected with the hoisting winch, the pin shaft is provided with a pin shaft type force sensor used for measuring the cable force of the hoisting cable, cable force data are detected and transmitted to a control center, and a Beidou positioning terminal is arranged near the lifting points. In the hoisting process, coordinate data of the hoisting points are collected in real time and transmitted to the control center, the control center processes the cable force data and the coordinate data of the hoisting points and controls the hoisting winches to work according to the processing result, the actions of all the hoisting winches are adjusted to enable the steel beam to be kept balanced, and stable and safe construction is guaranteed.

The utility model discloses a single-blade lifting appliance stress deformation real-time monitoring device, and belongs to the technical field of lifting appliance structure deformation monitoring. Comprising an ultrasonic probe and a sliding assembly, the sliding assembly is arranged on a cross beam balance rod of the lifting appliance; two groups of ultrasonic probes are movably arranged on the sliding assembly; the two ends of the cross beam balance rod are arranged in the middle of the first bearing hanging rod and the second bearing hanging rod respectively. The two groups of ultrasonic probes correspondingly monitor the stress deformation of the first bearing suspender and the second bearing suspender respectively; the upper parts of the first bearing suspender and the second bearing suspender are connected with the first end of a sling, and the second end of the sling is arranged on a crane hook; a hanging belt is arranged below each of the first bearing hanging rod and the second bearing hanging rod; the fan blade is placed on the suspension belt; according to the utility model, the problems of inaccurate monitoring result, low overall deformation condition response accuracy and intervention between the monitoring assembly and the lifting appliance in the prior art are solved.

The utility model relates to the technical field of automobile production and manufacturing, in particular to an automobile top cover front cross beam balancing weight mounting and clamping device which comprises a balancing weight mounting device, a clamping device and a main trolley, and the balancing weight mounting device and the clamping device are arranged on the main trolley. The clamping devices are arranged on the two sides of the balancing weight mounting device; the balancing weight installation device comprises an installation support, a positioning assembly and a sensor assembly. The positioning assembly is adjustably arranged on the installation support. And the sensor assembly is arranged on the mounting bracket and is used for detecting the balancing weight. The counter weight mounting device and the clamping device are used in cooperation, the counter weight is positioned and clamped, correct assembly of the counter weight is achieved, particularly, the sensor assembly is arranged to detect the counter weight, bad products caused by the fact that accessory blocks are reversely mounted and mounting screws are not locked are prevented, outflow of bad products is effectively avoided, and the production efficiency is improved. And the probability of customer complaints is reduced.

A counterbalance mechanism in an ophthalmic laser system balances the weight of the laser beam delivery head and provides small, precise and repeatable variations in the net load exerted by the laser head on the patient's eye over a defined distance of travel. The counterbalance mechanism includes a balance beam pivotably mounted on a support block, with the laser head and a counterweight mounted on its two ends. The counterweight is movable along the balance beam via a linear motion bearing. A mechanical link links the counterweight to the support block; the link has a predefined length and is pivotable around its respective connection points on the support block and the counterweight. When the balance beam pivots, the link causes the counterweight to move along the balance beam, thereby changing the mechanical advantage of the counterweight and varies the counterbalancing force to provide variations in the net load.

This invention discloses a variable cross-section double-span rotating beam balance support structure suitable for soft soil foundations, relating to the field of support structure technology. It includes a support frame and a buffer assembly. The support frame has a rotating assembly mounted on its upper side, with a toggle assembly installed inside the rotating assembly. The rotating assembly and the toggle assembly are connected. Four corresponding fixing assemblies are installed inside the support frame, and the rotating assembly is connected to the four fixing assemblies. A fastening assembly is mounted on the front side of the toggle assembly. The buffer assembly includes a mounting frame, a damping disc, a first spring, a connecting rod, and a fixing frame. The mounting frame is fixed to the upper side of the support frame. By integrating buffering, fixing, splicing, and rotating assemblies, it effectively absorbs vibration and impact energy from the soft soil foundation, preventing uneven settlement and tilting of the beam, and improving the balance, stability, and efficiency of the rotating construction.

The utility model relates to the technical field of oil pumping units, in particular to a walking beam balance multiple-stroke oil pumping unit which comprises a base, a motor, a fixing frame and a support are installed on the top of the base, a reduction gearbox is fixedly connected to the top of the fixing frame, and a fixing box is fixedly connected to one side of a walking beam. A guide rail, a first weight box, a second weight box and a third weight box are arranged on one side of the walking beam, and a gravity assembly used for automatically achieving dynamic gravity center adjustment according to load changes in different stroke stages is arranged in the fixed box. Automatic gravity center adjustment can be achieved according to load changes of different stroke stages in the operation process of the pumping unit, the balance of a walking beam system in the operation process is remarkably improved, energy consumption is effectively reduced, structural abrasion is reduced, meanwhile, the multiple inserting grooves are formed in the top of the weight box, the number of balancing weights can be flexibly increased or decreased according to needs, and the service life of the pumping unit is prolonged. And the adjustment precision and adaptability are further improved.

Balance beam, characterized in that it comprises the following: a balance beam (10); and two support assemblies (20), wherein the two support assemblies (20) are arranged at both ends or near the two ends of the balance beam (10); wherein the individual support assembly (20) comprises a connecting element (21), a support element (22) and comprising an adjusting element (23), wherein the connecting element (21) is connected to the balance beam (10); wherein one end of the support element (22) is rotatably connected to the connecting element (21) and the support element (22) is rotatable between an unfolded position and an unfolded position, wherein the free end of the support element (22) serves to rest on a support surface; wherein the adjusting element (23) is configured such that, when adjusted, it sets its angle to the balance beam (10) in order to set the angle between the support element (22) and the connecting element (21).

The invention discloses bridge swivel steel-concrete composite beam balance state detection equipment, and relates to the technical field of bridge construction, the bridge swivel steel-concrete composite beam balance state detection equipment comprises an equipment base, a balance detection cabin and a state detection assembly, support stand columns are welded on the two sides of the upper surface of the equipment base, protection boxes and embedded transmission mechanisms are arranged on the outer sides of the stand columns, and guide stand columns are coaxially sleeved with the stand columns; the top plate is covered with a rubber pad, and installation grooves in the two sides are connected with a state detection assembly through shaft pins. A balance detection cabin is vertically arranged in the center of a base, two sides of the balance detection cabin are attached to the inner sides of stand columns, the lower end of a state detection assembly is slidably embedded in the detection cabin, guide stand columns are provided with sawtooth strips and meshed with rotating fluted discs in the stand columns, a transmission mechanism drives the fluted discs to achieve lifting of the guide stand columns through linkage of a motor, and the detection cabin is provided with guide rails, sliding grooves, built-in displacement sensors, trigger pressing plates and the like. A supporting arm and a connecting rod of the state detection assembly drive a sliding seat to slide along a guide rail, a downward pressing vertical rod of the sliding seat vertically corresponds to a trigger pressing plate, and the balance state of the beam body can be accurately detected.

This utility model relates to a connecting rod balancing mechanism for a beam pumping unit, comprising a lower connecting rod joint, a crank pin bearing housing, a crank pin, a crank, a crank pin bearing cover, and a crank pin bearing. The lower connecting rod joint and the crank pin bearing housing are fixedly connected as an integral connecting rod-crank pin structure. The key feature is that a connecting rod balance box is connected to the lower connecting rod joint or the crank pin bearing housing, forming the connecting rod balancing structure of the beam pumping unit. The connecting rod balance box is connected to the lower connecting rod joint or the crank pin bearing housing via a flange or pin. This utility model achieves a new balancing method by setting a balance box at the lower end of the connecting rod or the crank pin bearing housing. The counterweight is set at the lower end of the connecting rod or the crank pin bearing housing, reducing the force on the crank pin and lowering the risk of crank pin breakage. It also avoids the drawback of large inertial loads in beam balancing.

The utility model discloses a single-beam balance wheel, which relates to the technical field of single-beam balance wheels, and comprises a balance pulley, the balance pulley comprises a frame, the inner side of the frame is fixedly connected with a bearing, the outer side of the bearing is fixedly connected with a fixed pulley, and the fixed pulley is arranged through a fixing piece, a connecting piece, a sealing ring, a ball, a storage bin and a threaded plug. The single-beam balance wheel is provided with the balance pulley which can rotate relative to the trolley frame, so that the angle of the balance pulley and the tension of the steel wire rope can be adjusted along with the position of a material, and the situation that the friction force between the steel wire rope and a wheel groove of the balance pulley is large is avoided; according to the single-beam balance wheel, oil absorption cotton, an outer gear ring, a transmission gear, a blocking plate, a through hole, a transmission shaft, a storage box and a hose are arranged, the single-beam balance wheel can smear lubricating oil on a fixed pulley in work through the oil absorption cotton, and the situation that the pulley is lubricated conveniently is avoided.

The invention discloses a main beam balancing device of a double-beam bridge crane, relates to the field of hoisting equipment, and aims to solve the problems of unstable operation and potential safety hazards of the hoisting equipment due to rail abrasion and wheel damage caused by rail gnawing in the moving process of an existing double-beam crane. A lifting frame is slidably connected to the middle of the rail bearing beam, a lifting assembly is arranged on the lifting frame, bearing beams are fixedly connected to the two ends of the rail bearing beam, balance blocks are fixedly connected to the outer sides of the bearing beams, two symmetrically-distributed bearing rods are fixedly connected to the balance blocks, and traction assemblies are installed between the bearing rods and the rail bearing beam. The device has the advantages that the auxiliary beam is additionally arranged on the rail bearing beam through the balance block and the bearing rods, the adjusting frame on the bearing rods is used for assisting the lifting frame, the downward load of the lifting frame is reduced, and the rail gnawing problem in the moving process of the lifting frame is reduced.

The utility model discloses a day and night honeycomb curtain capable of adjusting balance of moving beams, which comprises a fixed beam, a first moving beam and a second moving beam which are sequentially arranged, a first curtain is arranged between the fixed beam and the first moving beam, and a second curtain is arranged between the first moving beam and the second moving beam. A driving device, a rope winder group and a leveling device are arranged on the first moving beam, the rope winder group comprises a first rope winder and a second rope winder, one end of a pull rope of the first curtain is wound on the first rope winder, the other end of the pull rope of the first curtain is connected with the leveling device after bypassing the fixed beam, one end of a pull rope of the second curtain is wound on the second rope winder, and the other end of the pull rope of the second curtain is connected with the leveling device. The other end bypasses the second moving beam and then is connected with the leveling device; when the driving device drives the first rope winder to rotate, the first curtain is opened and closed, and when the driving device drives the second rope winder to rotate, the second curtain is opened and closed. The first curtain and the second curtain can be controlled at the same time only through one driving device, and the balance degree of the movable beam can be adjusted.

This invention relates to the field of lifting and hoisting technology, and discloses a crane balancing beam. The crane balancing beam includes a beam body, lifting lugs, two adjusting mechanisms, and rollers. Two sliding channels are symmetrically formed along the center of the beam body. The lifting lugs are slidably fitted onto the beam body and adjusted according to the load weight of the items being lifted at both ends of the beam body to achieve beam balance. The two adjusting mechanisms are respectively located within their respective sliding channels. A lifting ring is connected to a sliding rod, which is slidably connected within the sliding channel. A drive assembly is located on the beam body and is used to drive the sliding rod to extend or shorten relative to the beam body. This allows for adjustment of the lateral length of the lifted item according to its size, adapting to various sizes of items and offering a wide range of applications. The rollers are located within the sliding channels and rotatably mounted on the beam body. The rollers are slidably connected to the sliding rod, reducing friction between the sliding rod and the sliding channel, minimizing wear, ensuring smooth and stable sliding of the sliding rod, preventing swaying, and extending its service life.

The utility model discloses an energy-saving device for automatically adjusting the balance rate of a beam-pumping unit, and relates to the field of oil well exploitation equipment. The energy-saving device for automatically adjusting the balance rate of the beam-pumping unit is used for adjusting the balance of a walking beam of the beam-pumping unit and comprises a flushing and draining device, a counterweight water tank and a water mixing tank, and the flushing and draining device comprises a booster pump, a return water removal pipe connected with a water inlet of the booster pump and the water mixing tank, and an upper water diversion pipe and a lower water diversion pipe connected with a water outlet of the booster pump and the counterweight water tank. A connecting pipe is arranged between the up-and-down water diversion pipe and the return water removal pipe, an electromagnetic valve is arranged on the connecting pipe, a one-way valve used for limiting fluid to flow into the counterweight water tank in a one-way mode is arranged on the portion, between the connecting pipe and the booster pump, of the up-and-down water diversion pipe, the tail end of the walking beam is connected with a mounting frame, and the top of the counterweight water tank is hinged to the mounting frame through a plurality of water tank suspension arms; and the up-down water conduit is connected with the bottom of the counterweight water tank. According to the energy-saving device for automatically adjusting the balance rate of the beam-pumping unit, it can be guaranteed that the gravity center of the counterweight water tank is stable and unchanged through gravity, and self-adaptive balance of the beam-pumping unit is achieved.

A counterbalance mechanism in an ophthalmic laser system balances the weight of the laser beam delivery head and provides small, precise and repeatable variations in the net load exerted by the laser head on the patient's eye over a defined distance of travel. The counterbalance mechanism includes a balance beam pivotably mounted on a support block, with the laser head and a counterweight mounted on its two ends. The counterweight is movable along the balance beam via a linear motion bearing. A mechanical link links the counterweight to the support block; the link has a predefined length and is pivotable around its respective connection points on the support block and the counterweight. When the balance beam pivots, the link causes the counterweight to move along the balance beam, thereby changing the mechanical advantage of the counterweight and varies the counterbalancing force to provide variations in the net load.

The invention relates to the technical field of rotary body resistance reduction measurement, and discloses a rotary body water tunnel resistance reduction effect measuring device and method.The rotary body water tunnel resistance reduction effect measuring device comprises a rotary body model, a resistance reduction experiment shell, a balance assembly and a supporting assembly.The rotary body model comprises a model bow, a model cabin and a model stern which are sequentially arranged; one end of the model cabin body is detachably connected with the model bow part, and the other end of the model cabin body is detachably connected with the model stern part; the drag reduction experiment shell comprises a bow shell, a cabin shell and a stern shell, and the bow shell is connected to the outer surface of the model bow in a sleeving mode; a multi-supporting structure is formed through the beam type balance, torque generated at the beam type balance by gravity and buoyancy is avoided, modular installation of the resistance reduction sample piece is achieved, rapid replacement and testing of the sample piece can be achieved, meanwhile, the manufacturing cost is reduced, the testing period is shortened, and the resistance reduction effect of the resistance reduction sample piece at different parts can be tested.