8results about How to "Quick fine-tuning" patented technology

The utility model discloses a pattern die fine adjustment structure of a multifunctional household sewing machine, which comprises a pattern die, a pattern die pawl correspondingly matched with the position of the pattern die is arranged on the pattern die, a baffle is arranged at the tail end of the pattern die pawl, and a pattern die pawl swing frame is arranged on one side of the baffle. A screw capable of driving the pattern mold pawl swing frame to adjust the left-right position is arranged on the pattern mold pawl swing frame, the screw is in threaded connection with the pattern mold pawl swing frame, the tail end of the screw makes contact with the baffle, an induction plate moving along with the pattern mold pawl swing frame is connected to the pattern mold pawl swing frame, and a needle rod assembly moving along with the induction plate is connected to the induction plate. The utility model has the beneficial effects that the position of the pattern die pawl swing frame can be quickly adjusted, the left-right position of the needle bar assembly which is correspondingly matched with the pattern die can be quickly adjusted, the quick fine adjustment effect is realized, the working efficiency can be improved, the precision of parts can be reduced, and the production cost is reduced.

The utility model relates to the field of building decoration and equipment installation, and discloses a novel anchoring assembly which comprises an anchoring base plate and L-shaped pressing plates, four sliding grooves are formed in the middle of the top end of the anchoring base plate, and the two L-shaped pressing plates are arranged at the top of the anchoring base plate in a sliding mode. Four sliding mandrels are fixedly arranged at the bottoms of the two L-shaped pressing plates, butt-joint type anti-falling blocks are fixedly arranged at the tops of the two L-shaped pressing plates, pressing plate clamping grooves are formed in the inner sides of the two L-shaped pressing plates, square pipes are connected into the two L-shaped pressing plates in a clamped mode, and clamping grooves are formed in the inner sides of the two L-shaped pressing plates. A sliding adjusting structure composed of a sliding groove of an anchoring base plate and sliding mandrels of L-shaped pressing plates is arranged, butt joint type anti-disengaging blocks are arranged at the tops of the two L-shaped pressing plates, when the L-shaped pressing plates are clamped, the anti-disengaging blocks are attached to each other to form a blocking face to prevent looseness, pressing plate clamping grooves are formed in the inner sides of the two L-shaped pressing plates, and therefore the anti-disengaging blocks can be clamped tightly. And the anti-falling tenon is clamped with the anti-falling tenon on the surface of the square tube, so that the square tube is fixed.

The utility model relates to the field of stainless steel pipe welding, in particular to an overhead stainless steel pipe welding auxiliary device which comprises a bearing table, two sets of first fixing frames are symmetrically arranged on one side above the bearing table, and two sets of second fixing frames are symmetrically arranged on the other side above the bearing table up and down. The fixing seats between the two first fixing frames and the two second fixing frames draw close to each other to fix the two stainless steel pipes, and after the two stainless steel pipes draw close to each other, the positions of the fixing seats are changed by rotating the corresponding bolts, so that the coincidence position of the butt joint position of the two stainless steel pipes is adjusted, and the butt joint position of the two stainless steel pipes is adjusted. By means of the structure, the butt joint position of two sets of stainless steel pipes can be rapidly and finely adjusted, through the arrangement of the balls, the fixing stability can be improved, rotation of the steel pipes in the welding process can be facilitated, multi-directional welding is achieved, the infrared laser gradienter can also achieve the butt joint and flush accuracy, and the welding quality is improved. Therefore, the welding quality and efficiency of the stainless steel pipe are improved.

The invention relates to an adjustable inner support of an inner side template of an inverted-cone-shaped sedimentation tank, and relates to the technical field of angle steel supports, the adjustable inner support comprises a fixing mechanism, a main shaft mechanism and a supporting mechanism, the main shaft mechanism comprises a main rod and a top frame, the top frame is fixedly installed at a preset position, the main rod is fixedly installed at the bottom end of the top frame, and the bottom end of the main rod is fixedly connected with the fixing mechanism; the supporting mechanism comprises a plurality of angle steel and a plurality of mounting seats, the angle steel comprises a first plate body and a second plate body, the second plate body is fixedly mounted on the first plate body, a plurality of connecting holes are formed in each of two ends of the first plate body, and inclined surfaces are formed in two ends of the second plate body; the mounting seat is fixedly connected with the main rod, one end of each angle steel is hinged to the mounting seat, the angle steel is hinged to the mounting seat by inserting fixing pins into the connecting holes, the angle steel is connected through the fixing pins, and the angle steel at one end is fixedly connected with the settling pond template. According to the invention, rapid assembly can be realized, and a large amount of assembly time is saved.

The application relates to the technical field of data analysis and intelligent marketing, and particularly discloses a market trend prediction and precision marketing system based on deep learning. The system comprises a data interface module, an interlocking collaborative analysis engine and a strategy generation module. The interlocking collaborative analysis engine sequentially performs market trend prediction and user behavior analysis, and through a two-way coupling feedback step, converts the market prediction result into an adjustment signal for a user interest model, and feeds the emerging pattern identified in the user behavior to the market prediction model as a correction input; and then updates the two models based on the coupled new data, to realize collaborative evolution. The strategy generation module generates marketing instructions under resource constraints according to the collaborative analysis result. The application realizes the deep integration and co-evolution of market trends and user preferences by forcibly establishing and continuously optimizing a two-way interaction channel between macro prediction and micro analysis, so that the foresight, precision and self-adaptive ability of the marketing strategy are improved.

The utility model provides an automatic high -efficient environmental protection weeding device, including beam frame, three point suspension frame is installed on the beam frame, and the left and right sides of the front side of beam frame are symmetrically installed with land wheel frame, and land wheel is installed on land wheel frame, and a plurality of groups of weeding assembly are arranged on the rear side of beam frame, and all weeding assembly is arranged side by side interval, the utility model discloses above -mentioned, adopt modularization weeding assembly cooperation parallel four bar linkage profiling mechanism, ensure that the weeding rate of 95% or above is realized under 3cm standard depth, the combination of articulated beam frame and hydraulic steering system solves the tracking problem of non - straight crop line, controls seedling damage rate, the innovative three -section folding rear beam body design makes the transportation width reduce, and the work state conversion can be completed in a short time, the utility model discloses weeding device is suitable for large -scale farm continuous operation, and can satisfy the fine demand of small plot, and the whole course mechanical weeding prevents the use of pesticide, and the comprehensive operation and maintenance cost is reduced by 25% or more than traditional scheme, is the ideal equipment of modern green agriculture.

The application relates to the technical field of compound machine tools and discloses a variable working condition tool wear prediction method based on a compound machine tool, which comprises the following steps: s1: collecting dynamic signals and acquiring process parameters; s2: constructing a tool wear prediction model; s3: multi-task training of a meta-learning framework: through meta-learning, an updated W y And b y The tool wear prediction model is deployed in an actual machining system of the compound machine tool, dynamic signals and process parameters received during implementation are used, and a tool wear prediction value at a current time is quickly output. The application has the beneficial effects that the machine tool does not need to be stopped and the tool wear prediction accuracy is high.

The utility model relates to a kind of oblique car center frame rotary top head in oblique bed center frame technical field, comprising: intermediate top head, axial sliding connection in center frame frame body;The intermediate top head head end is equipped with rotary top wheel, tail end is isosceles trapezoidal structure and is equipped with the driving equipment that drives its axial movement;Side top head, it has two, and respectively symmetrically distributed in the upper and lower sides of the intermediate top head;The side top head rotation is connected in center frame frame body, its head end is equipped with rotary top wheel, tail end is equipped with follower wheel, to facilitate under the slope effect of the isosceles trapezoidal structure Outward movement;The utility model is through the slope cooperation of isosceles trapezoidal structure and follower wheel in intermediate top head tail end, by driving equipment drives the axial movement of intermediate top head, while, two side top heads also act, so that three rotary top wheels clamp workpiece, for the workpiece of same diameter, it can improve clamping efficiency, also can improve the consistency of clamping force.