44results about How to "Eliminates the risk of cracking" patented technology

The invention relates to a method of producing a laminated packaging material including a core layer of paper or paperboard and a barrier layer applied on one side of the core layer. The invention also relates to a laminated packaging material produced according to the method, as well as a packaging container which is produced from the laminated packaging material.

The invention discloses a novel buffer type tooth holder and bucket tooth combining device of an excavator. The novel buffer type tooth holder and bucket tooth combining device comprises a tooth holder, a bucket tooth, a bayonet lock and a shock pad, wherein the tooth holder comprises a tooth holder head and a tooth holder tail; the tooth holder head comprises a boss, a bayonet lock positioning seat and a transitional reinforcing rib; the boss, the bayonet lock positioning seat and the transitional reinforcing rib are integrally formed; the bayonet lock positioning seat is positioned at the end part, away from the tooth holder head, of the boss; the transitional reinforcing rib is connected with the boss and the tail; the transitional reinforcing rib and a lower connecting plate are positioned at the same side; the bayonet lock is of a hollow steel tube structure; the inner wall of a mounting cavity of the bucket tooth sheathes and adheres to the boss of the tooth holder head; a gap is formed between the inner wall of the mounting cavity of the bucket tooth and the bayonet lock positioning seat of the tooth holder head; the shock pad is directly poured on the inner cavity wall of one circumference where the bucket tooth is attached to the boss of the tooth holder head. The novel buffer type tooth holder and bucket tooth combined device disclosed by the invention has the advantages that various acting forces generated among the tooth holder, the bucket tooth, the bayonet lock, external materials, an edge plate and the like are improved by improvement measures, the service life of the tooth holder is prolonged, the cost of materials is reduced, and the working efficiency is improved.

The invention relates to a system for vacuum pouring of insulation resin used for a motor rotor. The system comprises a vacuum glue filling tank, a vacuum pump, a high-pressure inert gas transmitting device, a vacuum emulsion machine and a glue transmitting pipe, wherein the vacuum pump and the high-pressure inert gas transmitting device are respectively connected with the vacuum glue filling tank by virtue of a pipeline; the vacuum emulsion machine is connected with the vacuum glue filling tank by virtue of the glue transmitting pipe; a stirring device is arranged in the vacuum emulsion machine; the vacuum emulsion machine is provided with a device which is connected with the vacuum pump; the resin to be filled with glue is mixed in the vacuum emulsion machine. According to the system, the vacuum emulsion machine is additionally arranged, the vacuum degree requirement during mixing of the resin is ensured; the discharge of the gas in the resin is facilitated. The invention also relates to a method for vacuum pouring of the insulation resin for the motor rotor.

The invention relate to a reinforcing structure for a fatigue cracked steel bridge panel. According to the technical scheme, the reinforcing structure for the fatigue cracked steel bridge panel comprises the cracked steel bridge panel, carbon fiber reinforcing battens, metal reinforcing battens, shear connecting parts, steel fabrics, an ultra-high performance concrete layer and a wearing layer, wherein the carbon fiber reinforcing battens are bonded to the cracked steel panel through organic structural adhesives; the shear connecting parts are welded to the metal reinforcing battens; and the metal reinforcing battens with the shear connecting parts are bonded above the carbon fiber reinforcing battens through organic structural adhesives, the steel fabrics are placed on the cracked steel bridge panel, the steel fabrics are composed of longitudinal steel bars and transverse steel bars, the longitudinal steel bars and the transverse steel bars are crisscrossed, the ultra-high performanceconcrete layer is arranged on the cracked steel bridge panel in a pouring mode, the carbon fiber reinforcing battens, the metal reinforcing battens, the shear connecting parts and the steel fabrics are covered with the ultra-high performance concrete layer, the ultra-high performance concrete layer is connected with the cracked steel bridge panel, and the ultra-high performance concrete layer iscovered with the wearing layer.

The invention relates to a reinforcement structure for solving a cracked steel bridge deck by using lightweight aggregate concrete. According to key points of the technical scheme, the reinforcement structure comprises the fatigued cracked steel bridge deck, shear connecting pieces, fiber reinforced composite layers, reinforcing meshes and a lightweight aggregate concrete layer. The fatigued cracked steel bridge deck is provided with the shear connecting pieces, and the reinforcing meshes are placed on the fatigued cracked steel bridge deck. The fiber reinforced composite layers are laid on the crack parts of the fatigued cracked steel bridge deck, and the lightweight aggregate concrete layer is poured on the fatigued cracked steel bridge deck and covers the shear connecting pieces, the fiber reinforced composite layers and the reinforcing meshes to be connected with the fatigued cracked steel bridge deck. The shear connecting pieces are connected to the fiber reinforced composite layers, and the shear connecting pieces are arranged in the transverse bridge direction of the fatigued cracked steel bridge deck by fiber reinforced composites. The shear connecting pieces are arranged on the fatigued cracked steel bridge deck, and the fiber reinforced composite layers connected with the shear connecting pieces are laid between the shear connecting pieces connected with the steel bridge deck, wherein the spacing of the adjacent shear connecting pieces is 100-300 mm.

A method for producing a chassis link includes shaping a single-shell main body from a sheet metal blank and deforming the sheet metal blank by deep drawing, which includes pre-drawing during which an indentation is produced on the main body and in which the indentation is trimmed and a bush is attached to a projection on the main body once the indentation has been trimmed. The sheet metal blank is pre-drawn such that the indentation is given a radius that matches the bush to be attached such that there is no further need for a further forming operation on the indentation once the indentation has been trimmed.

The invention discloses a strengthening structure for a fatigue cracked steel bridge deck. According to the technical scheme, the strengthening structure is characterized by comprising the cracked steel bridge deck, carbon fiber reinforced battens, metal reinforced battens, shear connecting pieces, reinforcing meshes, an ultrahigh-performance concrete layer and a wearing layer. The carbon fiber reinforced battens are arranged on the cracked steel bridge deck; the shear force connecting pieces are welded to the metal reinforced battens; the metal reinforced battens with the shear force connecting pieces are arranged above the carbon fiber reinforced battens; the reinforcement meshes are placed on the cracked steel deck; the ultrahigh-performance concrete layer is poured on the cracked steelbridge deck; the carbon fiber reinforced battens, the metal reinforced battens, the shear force connecting pieces and the reinforcing meshes are arranged in a covering manner to be connected with thecracked steel bridge deck; and the wearing layer is arranged on the top face of the ultrahigh-performance concrete layer in a covering manner.

The invention discloses a combination device of a novel cushioning excavator gear seat and bucket teeth, which comprises a gear seat, bucket teeth, bayonet pins and shock absorbing pads, the tooth seat includes a tooth seat head and a tooth seat tail, and the tooth seat head Including the boss, the bayonet positioning seat and the excessive reinforcing rib, the boss, the bayonet positioning seat and the excessive reinforcing rib are integrally formed, the bayonet positioning seat is located at the end of the boss away from the head of the tooth seat, and the transitional reinforcing rib connects the boss The table and the tail are on the same side as the lower connecting plate. The bayonet pin is a hollow steel pipe structure. The inner wall of the bucket tooth installation cavity is fitted with the boss of the tooth seat head. The inner wall of the bucket tooth installation cavity is locked with the tooth seat head. There is a gap between the positioning seats, and the shock absorbing pad is directly poured on the inner cavity wall of a week where the bucket tooth and the boss of the head of the tooth holder fit together. The advantage of the present invention is that the improvement measures reduce the various forces generated between the tooth seat, bucket teeth, bayonet pins, foreign materials, blades, etc., increase the service life of the tooth seat, save material costs, and improve the work efficiency.

The invention discloses a combined strengthening structure adopting light-weight aggregate concrete for repairing a cracked steel bridge deck. According to the technical scheme, the combined strengthening structure is characterized by comprising the fatigue cracked steel bridge deck, shear force connecting pieces, a fiber reinforced composite material layer, reinforcing meshes and a light-weight aggregate concrete layer; the fiber reinforced composite material layer is laid on the cracked part of the fatigue cracked steel bridge deck, the reinforcing meshes are placed on the fatigue cracked steel bridge deck; the shear force connecting pieces are arranged on the fiber reinforced composite material layer; the light-weight aggregate concrete layer is poured on the fatigue cracked steel bridge deck; and the shear force connecting pieces, the fiber reinforced composite material layer and the reinforcing meshes are arranged in a covering manner to be connected with the fatigue cracked steelbridge deck.

A semiconductor structure and a method of manufacturing the same are provided. According to an embodiment, a method includes: providing a semiconductive substrate; forming a doped region in the semiconductive substrate; forming a trench in the doped region; forming a capacitor in the trench, the capacitor comprising alternatingly arranged electrodes and dielectric layers; depositing a first dielectric material in the trench and over the capacitor; etching the first dielectric material to form a spacer on a sidewall of a topmost dielectric layer of the capacitor; and depositing a core portion in the trench and laterally surrounded by the spacer.

The invention relates to a method for supporting an integral arch body of an underground roadway, and provides the method for supporting the integral arch body of the underground roadway with high-strength anchor rods, specially-made U-shaped hooks and meshes, which is mainly suitable for areas with poor rock conditions, such as underground side part retreat ways, air inlet and return ways and the like. The supporting effect of the top slope of the roadway with the broken and poor rock conditions can be effectively improved, and the safe production environment of a mining area is improved.

A cold shrinkable terminal assembly for terminating cables, comprising: a cold shrinkable terminal including a terminal body configured to be fixed to the cable joint; and a support tube, the terminal body is pre-expanded to a preset On the support tube of the composite gap filler, the composite gap filler covers at least the cutout of the exposed conductive shielding layer when the cold shrink terminal is fixed to the cable joint. The composite gap filling glue includes: a filling layer, which is in contact with the outer wall of the support tube; and an isolation layer, located between the filling layer and the terminal body, and the isolation layer is made of a material different from that used to make the terminal body. The invention also provides a cold-shrinkable cable terminal and a method for terminating cables. Since the isolation layer of the composite gap filling rubber is made of a material different from that of the terminal body, it can avoid direct contact between the filling layer and the terminal body made of silicone rubber material, effectively preventing the swelling of the filling layer on the terminal body and causing terminal failure. The reduction of physical properties of the body eliminates the risk of cracking of the terminal body.

The invention discloses a screen shaft with a self lubricating mechanism and a processing method thereof. The screen shaft comprises a first shaft body, a second shaft body, a third shaft body and twoguide rings, wherein one end of the first shaft body is connected with one end of the second shaft body through one guide ring; the other end of the second shaft body is connected with the third shaft body through the other guide ring; the two guide rings are used as the contact position parts of the screen shaft and the external connection component; a self lubricating mechanism is arranged in each of the two guide rings; through the self lubricating mechanism, the slidable performance is maintained by of the outer side of the guide ring is maintained; an oil guide wire is formed by windingfive identical cotton wires; the oil guide wire forms self drainage on of the lubricating oil in the an oil storage groove. The processing method of the screen shaft uses the sand blasting and multi-time heat treatment; so that the ideal performance can be reached; meanwhile, the shaft body and the guide ring uses friction welding; , so that the energy consumption is low; , the welding performanceis good; and the connecting surface appearance is attractive; the installed oil guide wire performs long effect self lubrication on the guide rings; , so that the maintenance period of the screen shaft is increased to a great degree.