10results about How to "Reduce welding difficulty" patented technology

The application relates to a heat dissipation device, a power assembly and an electrical equipment. The heat dissipation device comprises a heat dissipation body and an end plate assembly. The heat dissipation body defines a heat dissipation groove extending along a first direction, the heat dissipation groove being used for accommodating a heating element. The heat dissipation body has a heat dissipation channel, the heat dissipation channel being arranged on the peripheral side of the heat dissipation groove, and a cooling medium flows through the heat dissipation channel. The end plate assembly is arranged at the end of the heat dissipation groove along the first direction. At least one end plate assembly comprises an inner end plate and an outer end plate. The inner end plate and the outer end plate are arranged on the heat dissipation body in a stacked manner along the first direction. An accommodation space is defined between the inner end plate and the outer end plate and is communicated with the heat dissipation channel. The application is beneficial to improving the convenience of welding, reducing the difficulty of welding, facilitating the welding of firm welding points, reducing the risk of liquid leakage, and improving the cooling performance of the heat dissipation device.

This utility model discloses a fixing device for battery processing, including a base. A left side plate and a right side plate are arranged in parallel on the upper end of the base. A second working support plate is fixedly connected between the left side plate and the right side plate. A first working support plate is provided above the second working support plate. An installation groove is provided between the first working support plate and the right side plate. A welding nozzle, movably connected to the left side plate and the right side plate, is provided above the first working support plate. A clamping plate, movably connected to the left side plate, is provided above the second working support plate. By providing a support plate for welding, this application allows two batteries to be placed on the support plate simultaneously for welding during the welding process. It also allows two batteries to be connected in series or parallel to form a battery pack. Series welding increases the voltage of the battery pack, while parallel welding increases its capacity.

This utility model relates to the field of tippers, and more particularly to a novel pressure beam structure for a tipper. It includes a pressure beam body with hinged connection positions on both sides of the top of the body. These hinged connection positions are coaxially arranged, and their rotation axes are perpendicular to the pressure beam body. Each hinged connection position includes a base plate fixed to the pressure beam body. A pressure cap is provided above the base plate, and the base plate and pressure cap are detachably connected. Semi-circular grooves are provided on the opposite surfaces of the base plate and pressure cap, and two semi-circular grooves are assembled to form a complete circular opening. This utility model adopts a split structure, which reduces the welding and processing difficulty of the pressure beam and makes disassembly and assembly more convenient and flexible.

The utility model discloses a refrigerating unit of refrigerator, include: the compressor, condenser, capillary tube and evaporator that communicate in proper order, the export end of evaporator is communicated with the import end of compressor, and refrigerating unit forms refrigeration cycle, and the import end of evaporator is communicated with the export end of compressor between the bypass defrosting pipeline of compressor, and the bypass defrosting pipeline includes defrosting pipe and joint pipe fitting, and the import end of defrosting pipe is connected with the export end of compressor, and joint pipe fitting includes copper body and aluminum body, and copper body includes and sets up first slender tube department and second slender tube department side by side, and aluminum body includes joint pipe department, and first slender tube department and second slender tube department are communicated with joint pipe department simultaneously, and first slender tube department is connected with the export end of capillary tube, and second slender tube department is connected with the export end of defrosting pipe, and joint pipe department is connected with the import end of evaporator, the utility model discloses the joint pipe fitting of the utility model increases the stability of the connection between defrosting pipe and evaporator, reduces the welding difficulty, and is convenient for installation and later maintenance.

The application discloses a railway freight car end wall flexible welding production line and relates to the technical field of railway vehicle production equipment. The feeding group is used to complete the queuing and spot welding of end wall parts on the pressing spot welding station. Then, the welding of the front surface flat weld, the front surface vertical weld and the back surface flat weld of the end wall part is completed in sequence through different welding stations. Finally, the end wall part is stacked after manual repair welding. The chain conveying device and the transfer trolley are used for transportation between stations, so that the circulation of key materials is realized without human intervention. The setting of the buffer station solves the problems of the end wall stall type welding, large occupation area, high labor intensity, discontinuous production, low production efficiency, poor environment and the like, realizes the automatic welding of the end wall of the open wagon, and realizes the cost reduction and benefit increase and the quality risk reduction through the robot, automatic dust removal and automatic conveying and the like.

The application discloses a brazing welding device, which comprises a welding seat, a pressing part and an induction heater. The copper terminal is placed on the welding seat; the pressing part comprises a first pressing part for pressing the copper terminal on the welding seat and a second pressing part for pressing the aluminum wire on the copper terminal; the induction heater generates heat by induction current, only the brazing filler metal is melted in the brazing process, and the brazing filler metal, the aluminum wire and the copper terminal are fully diffused to form a firm metallurgical bond. The brazing welding device disclosed by the application adopts induction welding instead of the traditional flame welding mode, the whole welding process is free of open fire, the risk of fire is reduced, meanwhile, the vision or skin of the operator is not damaged; meanwhile, only the brazing filler metal is melted in the induction welding process, the first welding part and the second welding part both remain in a solid state, and the welding difficulty is reduced; the induction welding has the advantages of fast heating speed and high efficiency, can shorten the welding time, improves the production efficiency and reduces the production cost.

The application provides a wire welding sleeve, a plurality of welding holes are arranged on the side wall of the welding sleeve, two barb areas are arranged on the inner wall of the welding sleeve on both sides of the welding holes, and the barbs of one barb area are oppositely arranged with the barbs of the other barb area. The application can improve the welding quality and welding strength of the wire to a certain extent and reduce the welding burrs.

This invention relates to the technical field of spherical head manufacturing equipment, specifically an L-shaped head assembly frame for segmented processing of spherical heads. The frame includes a base, a rotating disk, internal fixing components, spherical petal fixing components, and a swing support assembly. A rotating disk that rotates with the base is located at its center. The internal fixing components are positioned above the rotating disk, and multiple spherical petal fixing components are arranged around the rotating disk. The base, rotating disk, internal fixing components, and spherical petal fixing components swing simultaneously under the influence of the swing support assembly. This invention secures the spherical crown and spherical petals using the internal fixing components and spherical petal fixing components. The swing support assembly drives the spherical head to swing, and the position of the L-shaped swing arm can be adjusted via a motor for internal welding. The rotatable base and rotating disk allow the spherical head to rotate, changing its position and angle, facilitating welding for workers and reducing welding difficulty.

The application discloses a stator assembly and a motor. The stator assembly comprises a stator core and a stator winding. The stator core has a plurality of stator slots formed on a radially inner surface of the stator core and spaced apart along a circumferential direction of the stator core at a predetermined slot pitch. The stator winding comprises a plurality of phase windings mounted on the stator core and forms M layers on each stator slot, M being an odd number greater than or equal to 3. Each phase winding comprises a plurality of coil units connected in series. Each coil unit comprises a first U-shaped hairpin winding, an I-shaped hairpin winding and a second U-shaped hairpin winding. The first U-shaped hairpin winding is located at an innermost layer of the stator slot, the I-shaped hairpin winding is located at a middle layer of the stator slot, and the second U-shaped hairpin winding is located at an outermost layer of the stator slot. The opening direction of the first U-shaped hairpin winding and the second U-shaped hairpin winding is opposite. The stator assembly of the application avoids same-layer welding, greatly simplifies the process steps and reduces the welding difficulty.

The utility model discloses a battery, the battery includes: shell subassembly, the shell subassembly inside accomodates electric core and sets up positive pole post in the shell subassembly top, positive pole post with electric core electricity is connected, positive current collecting disc subassembly, positive current collecting disc subassembly sets up between positive pole post with electric core, wherein, the first welding portion is formed on the positive pole post, the second welding portion is formed on the positive current collecting disc subassembly, and the second welding portion extends towards the first welding portion and is attached with the first welding portion. The battery of the utility model can guarantee that the welding surface of positive pole post and positive current collecting disc is attached with each other, and guarantees the welding quality.