33results about How to "Increase the welding surface" patented technology

The invention discloses a bridge type operation platform which comprises a machine seat assembly, wheel assemblies, a telescopic arm assembly and a platform assembly. The machine seat assembly comprises two girders, a plurality of girder connecting plates used for enabling the two girders to be connected, and two wheel assembly installation seats used for installing the wheel assemblies, and the two wheel assembly installation seats are arranged at the front ends and the rear ends of the girders respectively and provided with U-shaped wheel assembly installation grooves. Each wheel assembly comprises a wheel cross beam, a steering mechanism, a leveling mechanism and driving wheel assemblies arranged at the two ends of the wheel cross beam, wherein the wheel cross beam is installed in the corresponding wheel assembly installation grooves through a cross beam rotating shaft, and the leveling mechanism comprises leveling oil cylinders. The machine seat assembly is adjusted to be level through the two leveling oil cylinders of each leveling mechanism so that the whole bridge type operation platform can work in a relatively stable state, the safety performance is improved, and it is ensured that construction can be conducted under complex road conditions.

The invention discloses a chassis structure for an aerial work platform. The chassis structure comprises an engine base assembly and wheel assemblies, wherein the engine base assembly comprises two beams, multiple beam connection plates used for connecting the two beams and two wheel assembly mounting bases used for mounting the wheel assemblies, the two wheel assembly mounting bases are arranged at the front ends and the rear ends of the beams respectively, and a U-shaped wheel assembly mounting groove is formed in each wheel assembly mounting base; each wheel assembly comprises a wheel beam, a steering mechanism, a leveling mechanism and drive wheel assemblies arranged at the two ends of the wheel beam, each wheel beam is rotationally mounted in the wheel assembly mounting groove through a beam rotary shaft, and each leveling mechanism comprises a leveling oil cylinder. The engine base assembly is adjusted to be horizontal through the two leveling oil cylinders, so that the whole bridge type work platform can operate in a relatively stable state, the safety performance is improved, and construction can be performed under a complicated road condition.

The invention relates to a transformer oil tank structure comprising a tank body and tank edges, the tank body is rectangular and comprises an opening at the top part, the longitudinal section of the tank edges is shaped like a rectangular 7, the bottom surface of the vertical side of the 7 is fixedly welded with the opening end surface of a tank body wall of the tank body, and the four tank edges are mutually connected to constitute a whole body with the tank body. The transformer oil tank structure is characterized in that two ends of the tank edges which are oppositely arranged are respectively longer than the tank body wall, and the vertical sides of the tank edges which are longer than the tank body wall are respectively provided with a through hole. Compared with the prior art, the transformer oil tank structure utilizes the originally arranged tank edges to extend the tank edges which are oppositely arranged backward, one through hole is respectively arranged on the vertical side of each extension part for being used as a hanging hole, as the tank edges and the tank body wall are integrally and fixedly welded, the welding surface is large and the integrity is good, thereby not only eliminating the shortcoming that the prior art needs to fixedly weld the hanging rings separately, but also improving the reliability of the hanging rings.

The invention provides a transverse reinforcement arranging and welding device for a four-side ribbed reinforcement net and a reinforcement arranging and welding method and belongs to the field of thereinforcement. According to the transverse reinforcement arranging and welding device, one or two reinforcement arranging and welding racks moving along longitudinal guide rails are arranged on a reinforcement arranging table, a transverse reinforcement bin is arranged on the side of each reinforcement arranging and welding rack, a transverse sliding device is arranged on a vertical plate of thereinforcement arranging and welding rack, a lifting device is suspended on a top plate and arranged on the transverse sliding device, a longitudinal moving device is arranged below the transverse sliding device, the lifting device comprises multiple lifting suckers including transverse reinforcement end lifting suckers as well as top electrodes, and moving rollers are arranged on the side, close to the transverse reinforcement bin, of the longitudinal moving device and can extend to the positions below the multiple lifting suckers and the top electrodes. The device can improve reinforcement arranging accuracy, reduces alarm frequency, prevents intertwining of the reinforcements and can guarantee normal production.

The invention discloses an installation structure for an L-shaped feet-lock bolt. The installation structure comprises a surrounding rock stratum, a steel arch and the L-shaped feet-lock bolt, and further comprises a regulator; the L-shaped feet-lock bolt comprises a rod part and a tail end part perpendicular to the rod part; the regulator comprises a mounting plate, and the mounting plate is fixedly connected to the side, backing onto the surrounding rock stratum, of the steel arch; a rotating base is fixedly connected to the mounting plate; a circle of first meshing teeth are arranged in thecircumferential direction of the upper surface of the rotating base; a rotary base is connected to the rotating base, is provided with a circle of second meshing teeth engaging with the first meshingteeth and is connected to the rotating base through a bolt in a locked mode; a welding plate is fixedly connected to the rotary base; and the tail end part of the L-shaped feet-lock bolt is welded and fixed to the welding plate. The installation structure can be adaptable to installation of the L-shaped feet-lock bolt at different angles.

The invention relates to a conductor with a U-shaped welded junction, which comprises a conductive body, wherein the bottom of the conductive body is provided with a tubular clamping part; the tubular clamping part can be in close fit with an inserted cable conductor, and is provided with a through groove; and at least one end of the clamping part is provided with a U-shaped nick. In the conductor disclosed by the invention, a welding surface formed when the welded junction is in close fit with the inserted cable conductor is larger, so that the conductor is welded firmly and not easy to fall off; moreover, the structure is simple and the manufacture cost is low.

The invention discloses manufacturing equipment for a reinforcement cage framework. The manufacturing equipment comprises a central rotating assembly, an inner ring fixing assembly and a main reinforcement welding machine head, the inner ring fixing assembly is arranged on the central rotating assembly, the main reinforcement welding machine head is arranged on a main reinforcement fixing device,an inner ring position detection mechanism and a welding gun chuck of a machine head main body, the main reinforcement fixing device is used for fixing a main reinforcement, the inner ring position detection mechanism is used for detecting the welding spot position of welding of the inner ring of the reinforcement cage framework and the main reinforcement, and the welding gun chuck is used for installing a welding gun. According to the manufacturing equipment, automatic machining is achieved from feeding and welding of the reinforcement cage, welding spots of the reinforcement cage are stable,the welding quality of the reinforcement cage is stable, manpower input is reduced, the labor intensity of workers is relieved, the production efficiency of the reinforcement cage is greatly improved, and the reinforcement cages of different specifications can be produced.

The invention discloses a protection disc for a hammer crusher, and aims to solve the problems in the prior art that bolt connection between a hammer shaft and a protection disc body is easily loosened; and dust can be easily accumulated on the protection disc body and can enter a gap between the protection disc body and a liner plate to abrade inside parts. A round hole for a main shaft to penetrate through is formed in the circle center part of the protection disc body; a plurality of hammer holes are uniformly formed in the protection disc body around the circle center; the edge of each hammer hole extends along the axial direction of the hammer hole and is provided with a snap ring; two clamping grooves are formed in each snap ring, and are located on the same diameter direction of the snap ring; welding grooves which extend outwards are formed in every two clamping grooves and are in the outer sides of the corresponding snap ring; the outer circle surface of the protection disc body is an oblique surface; and the oblique surface inclines toward the gravity center direction of the hammer shaft. By adopting the protection disc body disclosed by the invention, the connection between the hammer shaft and the protection disc body is more stable; loosening does not happen; and dust falling onto the protection body slides toward the inner layer of a rotor, and cannot enter the gap between the protection disc body and the liner plate to abrade the inside parts.

The invention discloses a welding head for welding an inner ring and a main reinforcement of a reinforcement cage. The welding head comprises a head body, a main reinforcement fixing device, an innerring position detecting mechanism and a welding gun chuck, wherein the main reinforcement fixing device, the inner ring position detecting mechanism and the welding gun chuck are arranged on the headbody; the main reinforcement fixing device is used for fixing the main reinforcement; the inner ring position detecting mechanism is used for detecting the position of a welding spot for welding the inner ring and the main reinforcement of a reinforcement cage framework; and the welding gun chuck is used for mounting a welding gun. The welding head can automatically take and compress the main reinforcement, realizes automatic welding, and is stable in welding spot, high in welding quality and high in production efficiency; and the inner ring position detecting mechanism can automatically detect the contact position of the inner ring and the main reinforcement, so that the labor intensity of workers is reduced, and the welding is quickly and accurately performed.

This invention relates to alloy drilling pin wide edge and variable bottom hardware alloy, which takes shapes of '-','+', X, which comprises alloy body part and end part and is characterized by concaved surface wide bottom. Due to bottom each shape the area between alloy bottom and pin weld surface is enlarged and due to weld not only on bottom and two long edges of alloy the wide edge bottom changes full of copper liquid to improve welding degree.

The invention provides a loading-force-reinforced anti-seismic bracket for a wall corner. The loading-force-reinforced anti-seismic bracket comprises a supporting arm and a main hanging screw. The supporting arm comprises an L-shaped bottom plate and channel steel, the L-shaped bottom plate is perpendicularly installed on a vertical wall, one end of the main hanging screw is perpendicularly installed on a horizontal wall, and the other end of the main hanging screw is fixedly connected with the channel steel; the L-shaped bottom plate comprises an integrally formed base and a side plate, and the base is perpendicular to the side plate; and the channel steel comprises a bottom face, a web and a flange, the bottom face is welded to the base, and the flange is welded to the side plate. According to the scheme, the loading force of the supporting arm can be improved, and the anti-seismic capability is improved.

The invention discloses a material clamping fixture. The fixture comprises a motor (97), a left driving air cylinder (104), a right driving air cylinder (101) and a support (108), a driving shaft (98)of the motor (97) is connected with a driven shaft (100) through a belt (99), the left driving air cylinder (104) is provided with a left telescopic rod (102), and the left telescopic rod (102) is connected with a left clamping jaw (106) through a left connecting rod (107); the right driving air cylinder (101) is provided with a right telescopic rod (112), and the right telescopic rod (112) is connected with the right clamping jaw (105) through a right connecting rod (113). During polishing, the clamping fixture can enlarge the polished welding surface of the power connector.

The invention provides a dual-splicing corbel which comprises an L-shaped bottom plate and two steel channels. The L-shaped bottom plate comprise a bottom base and a side plate which are integrally formed, and the bottom plate is perpendicular to the side plate; each steel channel comprises a bottom face, a web and a wing edge, the bottom faces of the two steel channels are welded to the bottom base, and the wing edges are welded to the side plate; and the two steel channels are arranged back to back and connected through welding the webs. According to the scheme, loading force of the corbel can be increased, and the shaking-resistant capacity is improved.

The invention relates an electric card connector, which is arranged on a printed circuit board. The connector comprises an insulating body, a shielding shell, fixing parts and a conductive terminal, wherein the insulating body is provided with a body part and guide parts, and the guide parts are arranged on both sides of the body part, extended along the direction of drawing the electric card out and can guide the electric card to be inserted; the shielding shell covers the insulating body and forms an accommodating space accommodating the electric card together with the insulating body; the fixing parts penetrate the shielding shell and the insulating body and can fix the electric card connector on the printed circuit board; the conductive terminal is accommodated by and fixed on the insulating body, and is provided with a contact part electrically connected with the electric card and a tail end electrically connected with the printed circuit board; and the electric card connector is welded on a grounding strip of the printed circuit board, wherein the grounding strip in single-layer arrangement is mounted on the lower surface of a match joint of the guide parts and the printed circuit board.

The technical scheme of the invention provides a high-load rear axle. The high-load rear axle comprises a beam assembly, spring seats, trailing arms, and shock absorber brackets; the two trailing arms are longitudinally arranged along the two ends of the beam assembly respectively; the two spring seats are respectively positioned inside the corresponding trailing arm and are arranged on the upper surface of the beam assembly; the two shock absorber brackets are respectively arranged at the positions, opposite to the spring seats, on the back side of the beam assembly; a first welding seam which longitudinally crosses over the beam assembly and is welded with the upper surface of the beam assembly is arranged on each spring seat. The first welding seam which longitudinally crosses over the beam assembly is arranged on each spring seat, so that the welding surfaces of the spring seats and the beam assembly are greatly increased, stress is favorable to be dispersed, the stability of a welding process is favorably improved, and the fatigue performance of each spring seat bearing high-load stress is facilitated.