15results about How to "Avoid useless work" patented technology

The present invention provides a sample preparation device for material detection and analysis, which is applied to the technical field of material detection and analysis. The sample preparation device for material detection and analysis comprises a quantitative mechanism (1), a grinding mechanism (2), a tablet pressing mechanism (3), a punching mechanism (4), a steel ring automatic storage and retrieval mechanism (5), a transfer mechanism (6), and a dosing mechanism (7). The quantitative mechanism (1), the grinding mechanism (2), the tablet pressing mechanism (3), the punching mechanism (4), the steel ring automatic storage and retrieval mechanism (5), the transfer mechanism (6), and the dosing mechanism (7) are all installed on a frame (8). The sample preparation device for material detection and analysis of the present invention has a simple and compact structure and high efficiency. It can complete sample preparation efficiently and with high quality. It has a high degree of automation. It can complete one sample in 6-7 minutes on average. It can also realize the simultaneous processing of multiple samples at different stages, thereby comprehensively improving the preparation efficiency.

The invention relates to the technical field of steel structure welding, in particular to a cooling device for heavy load workshop box type steel structure welding and a method thereof.The cooling device comprises a table body, a water storage tank is mounted in a mounting cavity, a water inlet pipe is mounted on the water storage tank, a first hollow rod is mounted on the water inlet pipe, and a first piston rod is inserted into the first hollow rod; a water outlet pipe is mounted on the first hollow rod; the water outlet pipe is provided with a first water collecting box, the table body is provided with a plurality of cooling pipes, one end of each cooling pipe is fixedly provided with a second water collecting box, and the first piston rod is controlled by a driving assembly to move transversely in a reciprocating mode. When a steel structure is welded, the steel structure can be placed on the multiple cooling pipes, then the driving assembly controls the cooling liquid in the water storage tank to be intermittently introduced into the multiple cooling pipes, circulation is achieved, in the circulation process of the cooling liquid, heat generated by a welding part can be absorbed, and the rapid cooling effect is achieved; the cooling effect is good.

The utility model discloses a liquid crystal filling device. The liquid crystal filling device comprises a device body, a clamp, a filling groove, an air exhaust mechanism, an air inflation mechanism and an ultrasonic bubble sensor. The device body is provided with a vacuum cavity, the clamp and the filling groove are arranged in the vacuum cavity, the clamp is used for fixing a liquid crystal box, and the filling groove is used for storing liquid crystal. The air exhaust mechanism is arranged outside the vacuum cavity and communicated with the vacuum cavity so that the vacuum cavity and the liquid crystal box fixed in the vacuum cavity can be vacuumized. And the clamp and the filling groove can be lifted relatively, so that the liquid crystal suction hole in the bottom of the liquid crystal box is in contact with and sucks the liquid crystal in the filling groove after vacuumizing. The ultrasonic bubble sensor is arranged in the vacuum cavity, is arranged on the side wall of the filling groove and is used for sensing whether bubbles appear in the liquid crystal in the filling groove or not; the inflation mechanism is arranged outside the vacuum cavity and communicated with the vacuum cavity, so that when the ultrasonic bubble sensor senses bubbles, gas is inflated to eliminate the bubbles, idle work of the device is avoided, and smooth liquid crystal filling operation is guaranteed.

The present invention provides a high-efficiency sediment discharge device without a blind area for sediment discharge for a water conservancy channel, and relates to the field of water conservancy engineering. The high-efficiency sediment discharge device without a blind area for sediment discharge for a water conservancy channel comprises a mixed filtering structure, the lower end of the mixed filtering structure is fixedly connected to a sand storage structure, the center of the upper end surface of the mixed filtering structure is provided with an auxiliary structure, the lower end of the auxiliary structure is fixedly connected to the upper end surface of the mixed filtering structure, a sand gathering structure is provided at the center of one side wall of the sand storage structure, the side wall of the sand gathering structure is fixedly connected to one side wall of the sand storage structure, and one end of the sand gathering structure penetrates through one side wall of the sand storage structure and passes to the inside. By providing the sand storage structure, when there is sediment at the upper end of the cross turn plate inside the sand inlet, the cross turn plate rotates inside the sand inlet due to the influence of gravity, and the sediment on the side wall of the cross turn plate is turned over and collected inside the storage box. This structure can be used for a long time without manual participation.

The utility model relates to the technical field of pavement finishing, in particular to pavement finishing treatment equipment for building construction, which is characterized in that the lower side of the front end of a milling machine is fixedly connected with a dust collection box, the left end and the right end of the dust collection box are both hermetically connected with dust collection pipes, and the outer ends of the dust collection pipes are hermetically connected with dust collection ends; according to the dust suction device for the milling machine, air suction treatment can be carried out in the operation process of the milling machine under the action of the air suction fan, and generated dust can be sucked under the suction action of the dust suction pipe and the dust suction end, so that the dust can enter the dust suction box; according to the dust collecting device, the dust collecting device is arranged, sucked dust can be collected under the action of the arranged filter screen frame, so that the situation that the dust flies to hurt workers can be effectively avoided, threaded pins can be taken out by rotating a rotary disc, then a sealing end plate and the filter screen frame can be taken out, and the dust can be cleaned conveniently.

The invention discloses a building decoration waste dustproof crushing and recycling device and a recycling process, and relates to the technical field of building decoration construction, the recycling device comprises a dustproof case and a crusher, one side of the dustproof case is provided with a feeding port, and the crusher is arranged at the bottom of the dustproof case; one side of the bottom of the crusher is provided with a recovery port for discharging crushed waste; the device further comprises an auxiliary feeding mechanism, and the auxiliary feeding mechanism comprises an overturning supporting plate and an auxiliary butt clamping mechanism. According to the waste crushing and recycling device, when waste is driven to be fed from the feed port formed in the side through the overturning action of the overturning supporting plate, the crushing clamping plates distributed on the two sides of the overturning supporting plate in pairs automatically conduct butt clamping towards the middle, the ultra-long waste within a certain size range is conveniently crushed and centered, and therefore the waste can fully and effectively enter the device from the feed port to be crushed and recycled.

The present application relates to a kind of full automatic stamping product automatic unloading device, including first slide and second slide, the bottom end of the first slide is equipped with connecting plate.The present application detects that the current zero component along the first slide is NG product, connecting plate will be opened immediately, then NG zero component will fall into the first slide and the second slide break, and be collected uniformly, and connecting plate opening will drive sealing plate to move along the first slide slope in the inside of sealing box, and its edge is slid on the slope of top block, so that sealing plate is separated from the bottom slope of the first slide, air groove is conducted, while crank mechanism is opened fan by pressing switch in the process of rotation, and the qualified zero component behind sliding is adsorbed and slowed down, to avoid that qualified product falls into the break of the first slide and the second slide due to not closing connecting plate in the process of sliding, without affecting the zero component after NG product to continue unloading, but quickly screening NG product, applicable to relatively fast stamping production line.

The present invention provides an air-cooled refrigeration device, comprising an equipment body, an air-cooling system attached to the equipment body, and a drawer that can be pulled out relative to the equipment body, wherein the drawer can receive cold air provided by the air-cooling system to cool the stored objects in the drawer; the air-cooled refrigeration device also includes a magnetic field generating device and a detection device, wherein the magnetic field generating device generates a magnetic field acting on the stored objects in the drawer when powered on, and the detection device is used to detect whether the drawer is pulled out; the magnetic field generating device and the detection device are configured such that when the detection device detects that the drawer is pulled out, the magnetic field generating device is powered off. The air-cooled refrigeration device of the present invention improves the utilization rate of the magnetic field, reduces energy consumption, and thus improves the use experience of the air-cooled refrigeration device, especially the smart refrigerator.

A self-adaptive potato picking method and device are suitable for a self-propelled potato picking machine, and the method comprises the following steps: digging and paving potatoes and a soil and seedling mixture on the ground surface; soil cutting discs located on the two front sides cut potato soil ridges into blocks; the picking mechanism shovels and conveys the potatoes and the soil-seedling mixture, the shaking adjusting mechanism vibrates in the conveying process to form the overall fluctuating motion of the conveying chain, and separation of the potatoes and the soil-seedling mixture is accelerated; when the mixture of the potatoes and the soil seedlings moves to the rear section, the scattering distance of the picking mechanism is shrunk; the seedling removing mechanism is used for separating and removing seedlings to obtain and collect clean potato blocks; wherein an ultrasonic sensor is adopted to measure the height of front hilling in real time so as to control the hanging oil cylinder of the self-adaptive potato picking device, the elongation of a shaking adjusting oil cylinder of the shaking adjusting mechanism and the rotating speed of a hydraulic motor of the transmission mechanism in real time; the automatic adjustment of the soil penetration depth of the picking shovel of the picking mechanism, the potato-soil separation vibration amplitude and the conveying chain speed is realized.

The invention discloses an environment-friendly dry-type power transformer, and relates to the technical field of dry-type transformers, the environment-friendly dry-type power transformer comprises a transformer box, protective doors are symmetrically mounted in the middle of one end of the transformer box, a mounting seat is mounted at the bottom end in the transformer box, and windings are mounted at the top of the mounting seat at equal intervals; a vibration monitoring mechanism is mounted at one end of the bottom of the transformer box and comprises a fixed vertical plate, one end of the top of the mounting base is connected with the fixed vertical plate, the middle of one end of the fixed vertical plate is connected with a lower attaching plate, and the top end of the fixed vertical plate is connected with an upper attaching plate; according to the transformer mounting base, a worker can conveniently know the stability condition of the mounting base in time, the situation that the mounting base is loosened due to vibration generated when a transformer is used for a long time is prevented, and the probability that the transformer is damaged and cannot be used can be reduced by conducting stable maintenance in time.

The utility model provides a kind of precision pesticide application device for tobacco disease, belong to tobacco disease control technical field. Including base, base top is equipped with medicine box, both side walls of medicine box are equipped with spray pesticide subassembly, spray pesticide subassembly includes support block one, for driving the drive part of support block one lifting, both side walls of support block one are symmetrically equipped with electric push rod two, the telescopic rod end of electric push rod two is equipped with support block two, support block two bottom is equipped with spray pipe, spray pipe bottom is equipped with C type frame, C type frame inner bottom is equipped with laser range finder, C type frame outer bottom is equipped with spray head two, spray pipe and spray head two between are equipped with three-way valve. The utility model through spray pesticide subassembly, under the joint action of drive part, electric push rod one, electric push rod two, laser range finder etc., can be accurately to stem and leaf, root pesticide application according to tobacco disease condition, improve the utilization rate of liquid medicine resource, effectively prevent considerable part of the sprayed liquid medicine to do useless work, realize the precision pesticide application to tobacco plant.

The present application belongs to the technical field of gas-liquid separation in well, and discloses a multi-stage spiral gas-liquid separation device in well. The multi-stage spiral gas-liquid separation device in well comprises a first-stage gas-liquid separation mechanism, a second-stage gas-liquid separation mechanism and a third-stage gas-liquid separation mechanism. The multi-stage spiral gas-liquid separation device in well has compact structure, can operate in limited space in well, and has strong adaptability. Through combination with cyclone centrifugal separation technology and multi-stage separation, efficient separation of gas phase and liquid phase natural gas is realized, and resource utilization rate and gas-liquid separation quality and efficiency are greatly improved. After three times of gas-liquid separation of the multi-stage spiral gas-liquid separation device in well, the gas-liquid separation effect of the gas-liquid mixed phase natural gas produced from gas reservoir is improved, useless work of gas phase natural gas carrying liquid droplets rising in the production process is avoided, and then the yield and service life of the gas well are improved.

The invention belongs to the technical field of optical cable laying, and provides a comprehensive cable channel circulating relay type optical cable traction laying method, which comprises the following steps of: S1, preparing two pipe penetrating devices with special lengths and two corresponding teams of workers, namely a pipe penetrating device A and a team A, and a pipe penetrating device B and a team B; s2, the cover plate above the channel is uncovered according to the head-to-tail distance of the total length of the pipe penetrating device to form a skylight, and meanwhile, the cover plate is uncovered in the optical cable laying direction circularly according to the distance; and step S3, the A team and the B team are simultaneously provided with the A pipe penetrating device and the B pipe penetrating device, and the A team enables the head end of the A pipe penetrating device to penetrate from the first skylight and pushes the head end towards the optical cable laying direction. Cyclic relay traction is carried out on the optical cable through the specially-made pipe penetrating device so as to realize uninterrupted continuous laying, the process is rigorous, the division of labor is clear, the working time is reasonably utilized, additional power equipment is not needed, physical activities of workers are more convenient, the working efficiency is higher, the construction cost is lower, and idle work is completely eradicated.

The invention discloses a range hood control method and device, a household appliance and a storage medium. The range hood control method comprises the steps that the exhaust pressure generated when a range hood operates under the current power is detected; determining the pressure grade to which the exhaust pressure belongs; when the pressure level exceeds a preset pressure level, reducing the current power to first target power; and when the pressure level does not exceed the preset pressure level, increasing the current power to second target power. According to the method and the device, the pressure grade of the exhaust pressure generated when the range hood operates under the current power is detected so as to judge the pressure grade of the current smoke exhaust pipeline, and when the pressure grade of the current smoke exhaust pipeline represents that the smoke exhaust pipeline is blocked, the current power is reduced to the target power, so that idle work of the range hood is avoided, and noise is reduced. And when the pressure grade of the current smoke exhaust pipeline represents that the smoke exhaust pipeline is comfortable or blocked, the current power is increased to the target power, so that the smoke exhaust effect is improved, and excessive noise is avoided.

This invention provides a method for assessing and deciding on the feasibility of lead-acid battery repair, relating to the field of lead-acid battery condition assessment technology. The method includes: collecting pre-repair performance indicators of aging batteries and constructing feature variables to quantify the internal aging mechanism of the battery; using the pre-repair state, aging feature variables, and repair operation parameters as inputs, and the post-repair performance as the objective, training a gradient boosting decision tree model that integrates a battery ohmic polarization physical model by introducing a physical constraint term into the loss function; using this model to predict the repair effects of various repair strategies for a specific battery; and combining a threshold to output a repair feasibility conclusion and recommend the optimal repair strategy. This invention solves the problems of traditional lead-acid battery repair assessment relying on experience and having low accuracy, achieving a scientific and quantitative assessment of repair potential and strategy optimization.