12results about How to "Precise weight control" patented technology

The utility model relates to a compound fertilizer coating powder adding device. Comprising a full-closed large stock bin arranged underground, and the full-closed large stock bin is connected with a weighing type top buffering stock bin through a powder diaphragm pump; the bottom of the weighing type top buffering stock bin is connected with a weightless weighing conveying part arranged on the ground through a pneumatic gate valve and a flexible connecting pipeline; a plurality of supporting lugs are evenly distributed on the outer surface of the weighing type top buffering stock bin, weighing type sensors are arranged at the bottoms of the supporting lugs, and the weighing type top buffering stock bin is further provided with anti-bridging pieces. The device has the advantages that the design is reasonable, the safety of equipment and personnel is improved, the labor intensity is reduced, stable operation of the system is maintained, accurate blanking is realized, and the quality of final products is ensured.

A method for manufacturing a large-scale balance weight of a steel sheet pile ship lift, which simplifies the processing flow of the large-scale balance weight. The method first cuts a continuous casting steel blank into single pieces of steel sheet pile with grooves, and measures and marks the steel sheet pile. Then, two groups of steel sheet pile are assembled together by processing and pre-installing gap pads. After the preliminary assembly is completed, the balance weight is marked again, and then the locking bolt holes, pin shaft holes and lifting lug holes are drilled and processed, and the holes are counterbored. The next step is to cut and install the edge plates at the top and bottom of the grooves. The trial lifting is performed and the lifting shaft hole reinforcing plates are pre-installed to ensure the stability of the structure. The stop seat plates are further processed and installed to provide protection for the final stability. Finally, the overall performance of the balance weight is verified by the second trial lifting, and the remaining edge plates are pre-installed. The present application can realize efficient processing of large-scale steel sheet pile balance weight by using conventional general equipment.

The utility model provides a kind of special pressurizing feeding device, it is related to pressurizing feeding field, a kind of special pressurizing feeding device includes barrel, head, discharge assembly and mould assembly, by feeding fan through suction angle seat, and by feeding ball valve to barrel is filled with material, when needing to feed mould, by pressurized air pipe via pressurized angle seat valve to barrel is applied pre-pressure, guarantee the stability of pressure in processing process, make its fast and full feeding process, avoid the occurrence of product material shortage phenomenon, discharge cylinder drives rotary arm to make discharge carousel rotate, cooperate with feeding hose to rapidly hit the material in barrel into mould cavity, improve the flexibility and accuracy of discharge, and can accurately control product gram weight, the setting of observation component, convenient operator observes barrel internal condition anytime, timely makes corresponding adjustment, interference fit between multiple material gun and feeding hose, ensure that material is evenly injected into mould inside, guarantee the quality and consistency of product.

The utility model relates to the technical field of landscape elevator security and protection, and particularly discloses a security and protection system for a suspension bridge main tower attached landscape elevator, which comprises a waiting channel, a ticket checking gate, a camera and a weighing platform, the waiting channel is arranged at an elevator doorway, the camera is arranged above the waiting channel, and the camera is connected with an image recognition module and is used for recognizing the number of people in the waiting channel; the ticket checking gate machine is installed at an entrance of a waiting channel and connected with the controller, the controller controls the ticket checking gate machine to open or close ticket checking, a weighing table is arranged at the entrance of the ticket checking gate machine and measures the weight of a ticket checker, and a mass sensor is arranged below the weighing table and connected with a calculation module. The calculation module and the image recognition module are both connected with the controller, the controller controls the ticket checking gate to be opened or closed for ticket checking according to the weight collected by the mass sensor and the number of people recognized by the image recognition module, the number of people entering the elevator and the weight of people entering the elevator are accurately controlled, and overload of the elevator is effectively prevented.

The invention discloses a manufacturing method of a stacked and spliced steel plate type ship lift balancing weight. The machining process of a large complex balancing weight is simplified. The method comprises the following steps: firstly, cutting a continuous casting steel billet into a single laminated steel plate with a groove, and measuring and scribing the single laminated steel plate; and then, the two groups of overlapped and spliced steel plates are assembled together by machining and preassembling gap cushion blocks. After primary assembly is completed, secondary scribing is conducted on the balancing weight, then locking bolt holes, pin shaft holes and lifting lug holes are drilled and machined, and counter bore treatment is conducted on the locking bolt holes, the pin shaft holes and the lifting lug holes. And the next step is blanking and mounting edge sealing plates at the top and the bottom of the groove. And carrying out trial hoisting and preassembling a hoisting shaft hole reinforcing plate to ensure the structural stability. And the locking seat plate is machined and mounted, so that a guarantee is provided for final stability. And finally, the overall performance of the balancing weight is verified through secondary trial hoisting, and the remaining edge sealing plates are pre-installed. According to the method, efficient machining of the large stacked steel plate type balancing weight can be achieved by adopting conventional general equipment.

The invention belongs to the field of casting equipment, and particularly relates to a casting machine with a protection function for casting, the casting machine comprises a ladle charging barrel, a fixed support device and a suspension support device, the ladle charging barrel is fixedly installed on the fixed support device, the fixed support device is rotatably connected to the suspension support device, and the suspension support device is rotatably connected to the fixed support device. A telescopic rod device is connected between the fixing support device and the hanging support device, a driving limiting device is arranged on the hanging support device, a protective circular plate device is hinged to the upper end of the ladle charging barrel and located below the driving limiting device, and the lower end face of the ladle charging barrel is fixedly connected with a driving support device. According to the device, the inclination angle of the ladle charging barrel is not changed in the pouring process, the operation stability and the pouring precision are improved, the protective circular plate device can seal the ladle charging barrel in time, molten iron is prevented from being splashed all around, and the device is safe and reliable. And the equipment safety is improved.

The application relates to the bulk commodity weighing technical field, in particular to a train compartment loose particle material weight real-time calculation method and device and a storage medium, the method comprises the following steps: acquiring loading data of a train compartment, and calculating the relative position of the train compartment and a discharge port according to the loading data; judging whether only the train compartment is on the current track scale; if yes, judging the on-scale state of the train compartment on the track scale; if no, judging the on-scale state of the previous train compartment and the current train compartment on the track scale; performing stress analysis on the track scale reading according to the on-scale state; judging the shape of the loose particle material in the current train compartment at the current time, and calculating the center of gravity of the loose particle material in the current train compartment; calculating the horizontal distance between the center of gravity of the current train compartment and the loose particle material in the current train compartment and two force support points in front and behind the current train compartment, and combining the stress analysis of the track scale reading to calculate the weight of the loose particle material in the current train compartment, so that the weight change of the loose particle material in the current train compartment during loading can be accurately controlled.

The utility model discloses a kind of zinc sulfate product packaging automatic metering equipment, it is related to metering equipment technical field;And the utility model includes equipment shell, collection box and metering rotary drum, equipment shell is fixedly installed with equipment base outside, transmission device is fixedly installed with equipment base outside, packaging jar is movably connected outside, metering rotary drum is movably in the inside of equipment shell, collection box is fixedly installed with feed inlet outside, collection box is fixedly installed with No. Zinc sulfate packaging automatic metering assembly includes No.

The utility model relates to the technical field of packaging machinery, in particular to a packaging machine weighing device which comprises an installation support, a weighing bin is installed on the installation support, a bin plate opening and closing assembly is installed at the bottom of the weighing bin, and weighing sensors are installed at the lower ends of the four bottom corners of the installation support respectively. The bin plate opening and closing assembly comprises a pair of guide rails which are symmetrically installed on the inner wall of the lower end of the weighing bin, a bin bottom plate is installed on the two guide rails in a sliding mode, a pair of air cylinders are symmetrically installed on the outer wall of the lower end of the weighing bin, and connecting plates are installed at the extending ends of the air cylinders. The other end of the connecting plate is fixedly connected to the stock bin bottom plate, and the stock bin bottom plate transversely slides back and forth on the guide rails under the drive of stretching and retracting of the air cylinder.

The utility model relates to rotor dynamic balance technical field discloses a motor rotor dynamic balance correction device, including the correction disc, the middle part of correction disc is fixedly installed with the shaft sleeve who penetrates, the outside of shaft sleeve is equidistant and has opened four sets of fixed holes, the inboard screw thread connection of fixed hole has the bolt, the one side of correction disc is equipped with the annular guide slot, the inboard sliding connection of guide slot has the stud screw, one end screw thread connection of stud screw who is placed in correction disc outside has the counterweight nut. The utility model discloses the combination of shaft sleeve, bolt and fixed opening, can fix two sets of correction disc respectively in the both ends of motor rotor, through the sliding connection of sliding block and sliding slot, can adjust the position of stud screw, then pushes the stud screw and rotates into the corresponding positioning hole, can fix the stud screw, through the screw connection of stud screw and counterweight nut, can accurate control the weight of counterweight block.

The utility model provides a combined sports rehabilitation training equipment mainly relates to sports rehabilitation equipment field. A combined sports rehabilitation training equipment, including the bottom plate. The utility model has the advantages of setting up the multilayer stacked weight board box, and setting up a plurality of groups of weight board that can slide into the weight board box one side of weight board box through magnetic attraction, through the push different multiblock weight board into the weight board box makes its weight change, further through the equipment and weight board box carry out the connection makes the equipment structure produces the weight, and further can make the personnel carry out certain weight rehabilitation training action, through this kind of structure realizes the accurate control of weight, to adapt to more different crowd's rehabilitation training requirement, further through setting up rotatable and can carry out the support structure of lifting to realize the different action of rehabilitation training personnel, promotes the rehabilitation training overall property and effect.

The utility model provides an explosive conveying driving device and explosive charging equipment, and relates to the technical field of explosive charging equipment. The explosive conveying driving device comprises a first flange, a second flange and a cylinder barrel, the first flange and the second flange are arranged at the two ends of the cylinder barrel in a sealing and covering mode respectively, the first flange and the second flange are mutually fixed, a magnetostriction sensor is installed on the first flange, a piston rod is installed in the cylinder barrel, and a magnetic ring is installed on the end face, close to the first flange, of the piston rod. A through hole extending in the axial direction of the piston rod is formed in the position, located in the middle of the magnetic ring, of the piston rod, a waveguide tube of the magnetostriction sensor can stretch into the through hole, and the end, close to the second flange, of the piston rod can penetrate through the second flange to be connected with a driving rod of the pesticide conveying pump. Based on the technical scheme, the explosive conveying driving device can accurately control the weight of conveyed materials and has the advantage of being simple in structure.