46results about How to "Avoid corner damage" patented technology

A packaging unit (10) for containing, for example cigarettes (44) has a body made of curved metal (12) and curved metal back (14) surfaces connected by metal sides (16), and a metal bottom (20), preferably having a central raised exterior part or bottom (42) surrounded by a ridge (40), with a lid (22) having a straight hinge (24) across the top, where the unit is capable of hermetic sealing.

Provided are a fiber-reinforced building formwork and a preparation method thereof. The fiber-reinforced building formwork comprises a board core and face layers covering the upper surface and the lower surface of the board core; the board core comprises multiple layers of veneers which are bonded into a whole and have wood fibers, and the directions of the wood fibers of the adjacent veneers are mutually perpendicular; each face layer comprises 1-4 fiber-reinforced prepreg sheet layers which are connected into a whole in a composited mode, each fiber-reinforced prepreg sheet layer is formed by compositing fiber products and high-molecular resin, and each face layer and the board core are connected into a whole through a bonding layer. After the building formwork is boiled for two hours in boiling water in a pressure cooker and cooled for one hour at room temperature, the retention rate of the static bending intensity is at least 90%, and the retention rate of the static bending modulus is at least 90%. The formwork is excellent in mechanical property, good in waterproof and breakage-proof property and long in service life, and the per-use cost of the formwork is reduced; use of wood is avoided, and therefore the formwork is more environmentally friendly.

The invention relates to a cable trench cover opening technology, in particular to a mechanical lifting appliance for cable trench covers of a substation and a switching station. The invention solves the problem that the conventional cable trench cover opening technology is easy to cause the effects that sealing performance of the cable trench cover becomes poor, time and labor are wasted and the cable trench cover is easy to cause accidental damage to a constructor. The mechanical lifting appliance for the cable trench covers of the substation and the switching station comprises a bracket part and a lifting part; the lifting part comprises a Z-shaped crank, chains, lifting hooks and three-jaw suckers; the upper end of a first chain is wound and fixed at a first horizontal edge of the Z-shaped crank; a first lifting hook is fixedly arranged at the lower end of the first chain; the middle part of a second chain is hung on the first lifting hook; a second lifting hook and a third lifting hook are respectively fixedly arranged at both ends of a second chain; handles of two three-jaw suckers are respectively hung to the second lifting hook and the third lifting hook. The mechanical lifting appliance is suitable for opening the cable trench covers.

The invention discloses a spliced structure of a stone floor and a carpet. The stone floor comprises a bonding layer formed on a cement mortar leveling layer, and a stone board on the bonding layer; the carpet close to the stone floor end comprises a wooden keel fixed on the cement mortar leveling layer, a barb board fixed on the wooden keel and a carpet surface layer on the barb board; the joint of the stone floor and the carpet is provided with a connecting piece; the connecting piece comprises a stone floor protection wall and a carpet protection wall; a buckling groove is formed between the floor protection wall and the carpet wall; the stone floor protection wall clings to the bonding layer of the stone floor and the end face, which faces the carpet direction, of the stone board; the carpet protection wall clings to the end faces, which face the stone floor direction, of the wooden keel and the barb board; and the carpet surface layer extends into the buckling groove. The spliced structure has the characteristics of smooth joint, natural transition, installation firmness and the like between the stone floor and the carpet, and the attractiveness of the splicing position between the stone floor and the carpet is ensured; and corners of the stone floor or the carpet are prevented from being damaged, and the decoration quality is ensured.

The invention discloses chip eutectic welding equipment and particularly relates to the technical field of chip processing. The chip eutectic welding equipment comprises a base and a stand column, wherein one side of the top end of the base is fixedly connected with the stand column, an adjusting mechanism is arranged in the stand column, one side of the stand column is fixedly connected with a dust collection mechanism, and the other side of the stand column is provided with a cross rod. By arranging the sliding groove, the adjusting block, the suction cups, the baffle and the center shaft, corners of a chip are prone to being damaged when the chip is clamped and fixed through a traditional welding device, the multiple sets of suction cups are installed at the top end of the workbench used for machining, and the chip is placed at the top ends of the suction cups and then slightly pressed downwards; the chip can be stably placed on the sucking disc, the angle between the baffles outside the center shaft can be adjusted according to the widths of different chips, the angles of the baffles can be adjusted by moving the adjusting blocks, and therefore the situation that corners are damaged due to the fact that the chip is clamped by hard objects can be avoided by fixing the chip.

The invention provides an automatic sorting method of customized furniture plate element vertical placement transmission. The method is characterized by comprising a setting work procedure, a feedingwork procedure, a sorting work procedure and a material discharging work procedure which are sequentially executed, wherein in the setting work procedure, the corresponding relationship of each plateelement and plate element vertical placement space of the sorting device is respectively set; in the feeding work procedure, each plate element of the current batch to be sorted is subjected to information scanning in a grouped way, and the vertical and parallel feeding is performed; and in the sorting work procedure, a moving device carries the plate element to move, so that one-by-one correspondence between the plate element vertical placement space of the moving device where the plate element is positioned and the corresponding plate element vertical placement space position of the sortingdevice is realized, and the plate element is conveyed into the sorting device from the moving device, so that the goal of arranging each plate element in the set plate element vertical placement spaceof the sorting device is achieved. The sorting method provided by the invention has the advantages that the automatic plate element sorting can be realized, so that the packaging of the plate elementby workers in the subsequent work procedure can be convenient; the production efficiency is improved; the missing placement and the wrong placement of the plate element are prevented; and the occupied area is reduced.

The invention discloses a carpet closing-up structure which aims to overcome the shortcomings that an existing carpet and stone connecting closing-up structure is complex, inconvenience to install and poor in connection reliability. The carpet closing-up structure comprises a carpet laying part and a stone laying part. The carpet laying part comprises a carpet, a buckle plate, a buckle plate groove, an embedded part and a carpet leveling layer. The stone laying part comprises a stone plate and a stone leveling layer. The stone plate is laid on the stone leveling layer, the carpet is laid on the carpet leveling layer, the embedded part is installed between the stone leveling layer and the carpet leveling layer, the buckle plate groove is mounted on the embedded part, the upper end of the outer side of the buckle plate groove close to the side of the stone plate is provided with a stone insertion groove, and the edge of the stone plate is connected into the stone insertion groove in an inserted mode. The end of the carpet is provided with a clamping part overturned rotatably downwards, the turned position of the clamping part is close to the stone plate, the clamping part is disposed in the buckle plate groove, the buckle plate is positioned between the clamping part and the carpet, and the buckle plate is connected with the embedded part so as to clamp the clamping part between the buckle plate and the buckle plate groove.

The invention discloses a visual communication design drawing collecting device, and relates to the technical field of visual communication design auxiliary equipment. The visual communication design drawing collecting device comprises a first frame, a conveying mechanism, a winding mechanism and a collecting box. The conveying mechanism is arranged on one side of the first frame and comprises a shell, two paper taking assemblies, multiple sets of conveying assemblies, and one end of the shell is fixed to one end of the first frame. The two paper taking assemblies are symmetrically arranged on the side, facing the first frame, of the shell and used for taking paper. The multiple sets of conveying assemblies are arranged on the inner wall of the shell. Each conveying assembly comprises two first motors, two first rotating shafts and a roller, wherein the two first motors are fixed to the two outer side walls of the shell correspondingly, one ends of the two first rotating shafts are fixed with output shafts of the first motors, and two ends of the roller are correspondingly fixed with the other ends of the two first rotating shafts; and the winding mechanism is fixed to one side of the first frame and located below the conveying mechanism. The collecting box is arranged at the end, deviating from the first frame, of the winding mechanism. The visual communication design drawing collecting device has the advantages that drawings are classified and collected according to sizes or categories during collection, searching is more convenient, and the automation degree is high.

The invention discloses a corner protection device for wood-based panels, which comprises a connection assembly, and the connection assembly includes two connecting strips intersecting each other, and the ends of the connecting strips are provided with sequentially connected round hooks and wrap angles. The corner-wrapping block is an isosceles right-angled triangular prism, the axis of the corner-wrapping block is perpendicular to the axis of the connecting strip, and the surface where the hypotenuse in the cross-section of the corner-wrapping block is connected to the connecting strip by a round hook , there are strip grooves on the surface where the hypotenuse is located, the axis of the strip groove is parallel to the axis of the corner block, and the cross section of the strip groove is a right triangle; where the hypotenuse of the corner block is located There are connecting holes on the side near the end face of the bar-shaped groove, and the round hooks at the ends of the connecting slats are respectively hung in one of the connecting holes. The four corners of the wood-based panel are protected by corner-wrapping blocks and other related components and structures to avoid damage to the corners of the wood-based panel when it is collided during movement.

The invention discloses a quick assembly type intelligent fire hydrant. The quick assembly type intelligent fire hydrant comprises a wall body, clamping plates are fixedly connected to the front ends and the rear ends of the top and the bottom of the right side of the wall body, an assembly type intelligent fire hydrant body is arranged on the right side of the wall body, and clamping boxes are fixedly connected to the top and the bottom of the left side of the assembly type intelligent fire hydrant body. Grooves are formed in the front ends and the rear ends of the left sides of the clamping boxes, bayonets used in cooperation with the clamping plates are formed in the left sides of the grooves, clamping assemblies are arranged in the grooves, and switch assemblies are arranged at the tops of the clamping boxes. The problems that an existing assembly type intelligent fire hydrant is inconvenient to install, needs to be installed through various tools, is not provided with a certain quick installation structure, wastes time during installation, and is inconvenient to use are solved, the quick assembly type intelligent fire hydrant has the beneficial effect of being quick to install, and the practicability of the assembly type intelligent fire hydrant is improved.

The invention discloses an aligning and balancing part for corners of floor tiles and a use method thereof. The aligning and balancing part comprises a seat body and connecting rib walls, wherein the connecting rib walls are vertically arranged on the upper surface of the seat body and equally divides the upper surface of the seat body into a connecting zone A, a connecting zone B, a connecting zone C and a connecting zone D with equal area; and the height of each connecting rib wall is larger than the thickness of each connected floor tile. The aligning and balancing part disclosed by the invention has the advantages that by arrangement of the seat body, the seat body is provided with the connecting rib walls which are mutually vertical, the corners of the adjacent floor tiles are clamped at the zone A, the zone B, the zone C and the zone D by utilizing the connecting rib walls; since the connecting part is made of PP (Polypropylene), HDPE (High-Density Polyethylene) and PVC (Polyvinyl Chloride) and the hardness is less than that of the floor tiles, certain stressed cushioning effect is achieved, the corners of the paved floor tiles are prevented from being damaged, the width of the corner joints of the adjacent floor tiles is uniform, the staggering phenomenon of the corners is avoided and the efficiency and the aesthetic effect of pavement are improved.

The invention discloses an anti-collision device for a decorative board, which comprises two packing blocks, grooves are arranged on the opposite surfaces of the packing blocks, and the grooves are coaxial with each other; Several elastic connecting strips are arranged between the blocks, the axes of the connecting strips are parallel to the axis of the groove, and the two ends of the connecting strips are respectively connected with a packing block; There are round hooks, and the number of connecting holes consistent with the number of connecting slats is set on the opposite sides of the packaging blocks. At least one end of the connecting holes communicates with the outside world, and the round hooks at both ends of the connecting slats are hung on a in the connecting hole. The four corners of the decorative board are protected by packaging blocks and other related components and structures, so as to avoid damage to the corners of the decorative board when it is bumped during movement.

The invention discloses a concrete baffle with a corner protection side. The concrete baffle is characterized in that a concrete baffle body is arranged on the outer lateral side of the top face of an upper flange plate of a steel beam in the installation direction of the steel beam, the cross section of the concrete baffle body is of a vertical rectangular half-frame structure, the rectangular half-frame structure is formed by a single-side upper edge plate, a single-side lower edge plate and a web connected between the single-side upper edge plate and the single-side lower edge plate, an opening of the rectangular half-frame structure faces the side where a floor supporting plate is located, the single-side lower edge plate of the concrete baffle body and the steel beam are fixedly connected, and cast-in-place concrete is flush with the upper edge plate of the concrete baffle body in height. By means of the concrete baffle, grout leakage is prevented in the ground cast-in-place concrete construction, it is guaranteed that the edges of a cast-in-place concrete building floor are perfectly formed, and the firmness of the concrete edges is improved.