14 results about "Load cell" patented technology

A travel scale includes side housings which telescopically connect to a center bridging section that receives signals from load cells located on the bottom side of the side housings. The signals are transmitted to a readout in the bridging section. Upon closing of the housings, the bridging section is protectively covered by the top side of the housings.

The invention relates to a weighing control device of a hopper scale and a method thereof. The weighing control device comprises three or four weighing sensors, a full-suspension weighing hopper and a weighing controller, wherein the outputs of the weighing sensors enter the weighing controller respectively; the weighing controller performs combined calculations with four different programs on the three or four weighing sensors and performs real-time online comparison on three groups of weighing numerical values; and if the differences of the three groups of the weighing numerical values are too large, the outputs of the three or four weighing sensors are compared to determine that a certain weighing sensor goes wrong; and the weighing controller displays a group of normal weighing numerical values output by the weighting sensors. Thus, the weighing control device can guarantee that a certain weight sensor goes wrong, and the hopper scale can still weigh reliably. The weighing control device improves the reliability and the metering accuracy of the hopper scale and is applicable to the precise and reliable weighing metering by the hopper scale. Besides, the weighing control device has the advantages of compact and reasonable structure, high reliability, precise metering, easy maintenance, long service life and extensive practicability.

The invention discloses a crane force feedback system, and aims at solving the technical problems in the prior art that the operability of a crane is poor, and the craning working efficiency and safety are relatively low. The system comprises a weighing sensor, a force feedback controller and an operation rod, wherein the weighing sensor is connected with a hoisting mechanism of the crane; the force feedback controller is connected with the weighing sensor; the operation rod is connected with the force feedback controller; the weighing sensor is used for obtaining a weight signal of cargoes needing to be moved by the hoisting mechanism, and converting the weight signal into a first signal; and the force feedback controller is used for receiving the first signal, converting the first signal into a feedback acting force capable of being identified by an operator of the crane based on a first conversion manner, and driving the operation rod through the feedback acting force, so that the operator can sense the weight of the cargoes when holding the operation rod.

The invention discloses an automatic adhesive paper sticking integrated machine and a working method realized by adopting the machine The automatic adhesive paper sticking integrated machine comprises a machine platform, an adhesive paper cutting and separating mechanism, an adhesive paper cutting and sticking mechanism, a material taking and regulating mechanism and a jig positioning and adapting mechanism, wherein the adhesive paper cutting and sticking mechanism comprises a positioning jig, a die-cutting die set and a pressure measuring and alarming die set, and a weighing sensor of the pressure measuring and alarming die set measures die-cutting pressure in a real time manner; the die-cutting die set comprises a cutting knife and a guide block, and the cutting knife penetrates through the guide block and is positioned directly over a product positioning groove; the jig positioning and adapting mechanism comprises a rotary table, and a fine tuning mechanism is arranged between the rotary table and the positioning jig. According to the automatic adhesive paper sticking integrated machine, disclosed by the invention, the fine tuning structure can achieve the fine tuning of horizontal movements in the front-rear direction and in the left-right direction; besides, an angle fine tuning unit can adjust the rotation of the horizontal angles of the jig, so that the angle deviation caused by the rotary table during the rotating process can be compensated. The adhesive paper sticking integrated machine, disclosed by the invention, integrates various convenient structures, so that the integrated operation can be realized during the attaching process, and the work efficiency can be higher.

The invention discloses a frame type rail weighing sensor. The frame type rail weighing sensor comprises a support, strain beams and a bearing beam, wherein the support comprises a support main body;side supports are symmetrically arranged on two sides of the support main body; the strain beams are arranged at two ends of the side supports respectively; a strain hole is formed in the side face ofeach strain beam; a mounting hole is formed in each side support; a rail gauge adjusting device is arranged on the outer side of each side support; each bearing beam is positioned at the outer end ofthe corresponding strain beam; the outer ends of the strain beams are connected through the bearing beams respectively; and steel rail baffle plates are arranged at two ends of the upper plane of each bearing beam. According to the frame type rail weighing sensor, the space between the steel rails and prestressed concrete sleepers is utilized efficiently and effectively, a special sleeper does not need to be used, the equipment cost is reduced, the rail gauge adjusting devices are installed on two sides of the side supports of the sensor for carrying out the adjustment of rail gauges, and lateral force received by the steel rails and the frame type rail weighing sensor is born by shoulders of sleeper rail bearing grooves, so that the strained condition of the sleepers is closer to that ofgeneral sleepers.

The invention discloses an efficient feeding system and method for asphalt mixture level batching bins. The efficient feeding system comprises a material conveying vehicle, a running track for the material conveying vehicle to run and a first weighing sensor for sensing the weight of the material conveying vehicle, the material conveying vehicle is provided with a driving mechanism, and the driving mechanism comprises a motor controlled by a frequency converter. The running track is arranged above the multiple parallel-distributed bins in parallel, the bottom of each bin is provided with a second weighing sensor used for sensing the weight of the corresponding bin, the running track is provided with a material receiving position and a plurality of discharging positions distributed at intervals, and the material receiving position is provided with a first position switch used for sensing return of the material conveying vehicle. The multiple discharging positions are each provided witha second position switch used for sensing whether the material conveying vehicle is in place or not. The first weighing sensor, the frequency converter, an automatic braking mechanism, the second weighing sensors, the first position switch and the second position switches are all electrically connected to a controller. Automatic feeding is achieved, the running efficiency of the material conveyingvehicle is improved, and the feeding efficiency of the bins is further improved.

The invention relates to magnetic material mixing equipment which comprises a stirring tank, at least two bins, at least two weighing mechanisms and a controller. A plurality of feed inlets are formedin the top surface of the stirring tank at intervals; discharge pipes are arranged on the bins, and control valves are arranged on the discharge pipes; the weighing mechanisms are positioned below the bins, correspond to the various bins and comprise shells, and feed inlets which are connected with the discharge pipes are formed in the tops of the shells; horizontal rotary shafts which can be driven by power assemblies are mounted in the shells, material plates are mounted on the rotary shafts, and weighing sensors are arranged on the material plates; discharge outlets which directly face thefeed inlets of the stirring tank are formed in the bottoms of the shells; the various control valves can be closed according to signals of the various weighing sensors under the control of the controller, and then the rotary shafts can rotate under the control of the controller, so that materials can be poured into the feed inlets of the stirring tank. The magnetic material mixing equipment has the advantage of high feeding precision.

The invention relates to a seasoning box with accurate material extraction, comprising a box cover and a box body, one end of the box body is open, and a hollow cavity is arranged in the box body; the feature is that a weighing sensor is arranged on the inner side of the top cover of the box cover , the outside of the box cover is provided with a display screen, and the load cell is electrically connected to the display screen; the inner wall of the box cover is provided with internal threads, and the opening of the box body is provided with external threads, and the box cover is screwed on the opening of the cover. The present invention has a reasonable and simple structure, is easy to manufacture, and is convenient to use. Through the present invention, when the seasoning needs to be placed, the box cover is opened, and the seasoning in the box body is poured into the box cover. Since the box cover is equipped with a weighing sensor, the The seasoning poured into the lid plays the role of weighing. Since the display screen is electrically connected to the load cell, the load cell transmits the received weight data to the display for display, so that you can take out the required amount according to your needs. Seasoning by weight.

In one aspect, a load cell includes an elastic body, first optical unit, second optical unit, detector, and computation unit. The first optical unit has a light source, a first diffraction grating on which light from the light source is incident, and a light-receiving unit. The first optical unit is fixed to a first end portion of the elastic body and arranged within a hollow portion of the elastic body. The second optical unit has a second diffraction grating on which diffracted light from the first diffraction grating is incident to generate interference light. The second optical unit is fixed to a second end portion of the elastic body and arranged within the hollow portion. The detector detects the interference light. The computation unit computes a relative displacement amount of the second diffraction grating relative to the first diffraction grating on the basis of a signal obtained by the detector.

The invention discloses a feeding device. The feeding device comprises a platform, a feeding device, a weighing groove, a support, a weighing sensor, a discharging device, a feeding conveying belt anda control system, wherein a material shifting plate is arranged on the feeding device, and by means of the above mode, the left side of the weighing groove is fixed to the support in a bolt mode; thebottom of the support is fixed to the upper end surface of the weighing sensor in a bolt mode; the lower end surface of the weighing sensor is fixed on the upper table top of the platform through bolts; the discharging device is provided with a discharging door, and the discharging door is located at the bottom of the weighing groove; and the discharging device is fixed on the support through bolts. According to the feeding device, the feeding device with the weighing function can be used for feeding materials uniformly in the back way of the automatic production line by weighing the discharging mode, so that the product quality is stable and reliable.

The invention belongs to the field of engine performance testing equipment, and discloses a system for controlling the oil quantity of an alcohol consumption instrument. The system comprises a measuring fuel cup, a methanol fuel pump, a weighing sensor, a switching power supply, a switching power supply controller, a first methanol pressure sensor, a second methanol pressure sensor, a safety valve, an overflow pipe and an overflow cup, wherein the measuring fuel cup is provided with a fuel inlet and a fuel outlet. The weighing sensor is installed on the measuring fuel cup. The input end of theswitching power supply is connected with a storage battery, and the output end of the switching power supply is connected to the methanol fuel pump. The overflow pipe and the first methanol pressuresensor are installed on a main pipe. The switching power supply controller is connected with the first methanol pressure sensor, the second methanol pressure sensor and the switching power supply. Thesystem can achieve the adjustment-only function of the fuel quantity of the alcohol consumption instrument, and facilitates the test of an engine under various conditions. Meanwhile, the methanol fuel pump in alcohol consumption instrument does not operate at a full load manner, thereby saving the energy.

The invention discloses a feeding machine with a weighing system, and the feeding machine comprises a frame, a stock bin, spraying pipes, the weighing system, an air pressure tank and a water pump. The upper part of the frame is connected with the stock bin, and one or more hoppers are connected in a vertical direction below the stock bin, wherein one or more hoppers are provided with transparentwindows. The spraying pipes are arranged and connected in the vertical direction of the hopper, and are arranged into one column or multiple columns, wherein the outlets of the spraying pipes are setin the same direction, and are set to be slightly horizontal in the lateral direction. The spraying pipes are provided with the weighing sensors, and the weighing system performs the weighing of the fodder to be thrown to the outside each time from the spraying pipes. The air pressure tank and the water pump are connected to the frame, and the water pump supplies water to the air pressure tank, and the air pressure tank can generate and store high-pressure water. The feeding machine throws the weighted fodder in the spraying pipes to the outside through taking the high-pressure water tas the power.