32results about How to "Reduced soldering requirements" patented technology

The invention discloses a water-cooled air conditioner. The water-cooled air conditioner comprises a high-pressure pump, a high-pressure tank, an air transmission pipe, a refrigeration water sump, a heat exchange pipe and the like, wherein the high-pressure pump adopts a low-noise high-pressure air pump in a cylinder type or other forms; the high-pressure tank adopts a double-ended arc-shaped inward concave type, so that the pressure resistance is high and the requirement on welding is low; water storage bins are formed on the protruded parts of the two ends of the high-pressure tank; an air automatic control switch is arranged on the high-pressure tank to control the start and the stop of the high-pressure pump automatically; an air inlet pipe is arranged on the upper part of the air automatic control switch; an air outlet pipe is arranged on the lower part of the air automatic control switch; high-pressure air is input into the high-pressure tank by the high-pressure pump; the principle that air generates heat under a high pressure is utilized, the heat generated by the high-pressure tank is adsorbed by the water in the water storage bins on the high-pressure tank; the high-pressure air is output by the air outlet pipe; the high-pressure air at the air outlet of the air outlet pipe expands suddenly, and the temperature of the air can drop suddenly, so that the aim of refrigerating is fulfilled; the water in the water storage bins is input from the lower end of each water storage bin and is conveyed to a cooling water tank on the high-pressure pump from the upper end of each water storage bin; and hot water is output through a valve. The improvement setting for the water-cooled air conditioner has great market potential.

A water refrigeration air conditioner comprises a high pressure pump, a high pressure tank, a gas delivery pipe and a refrigeration water chamber, wherein the high pressure pump is an air cylinder type low-noise high pressure gas pump or a low-noise high pressure gas pump in other types; the two ends of the high pressure tank are arc and indented, so that the compression resistance of the high pressure tank is high, and the welding requirement is low; the water chamber is arranged at the projecting part of the upper end of the high pressure tank; an automatic water level controller is arranged on the water chamber; an automatic gas pressure control switch for automatically controlling the on and off of the high pressure pump is arranged on the high pressure tank; a gas input pipe is arranged at the upper part of the high pressure tank; a gas output pipe is arranged at the lower part of the high pressure tank; the high pressure pump inputs high pressure gas into the high pressure tank; due to the principle of high pressure heating of the gas, the heat generated by the high pressure gas tank is absorbed by water in the water chamber on the high pressure tank; the high pressure gas is output by the output pipe; the high pressure gas expands suddenly at the gas outlet of the output pipe, and the gas temperature drops suddenly, so that the refrigeration purpose is realized. The water refrigeration air conditioner has a great market potential.

The invention discloses a shielding cabinet which comprises a cabinet body and a shielding door, the shielding door is rotatably connected with the cabinet body through a door shaft, three vertical faces of the cabinet body are cabinet body metal plates formed by bending a complete steel plate, the top of each cabinet body metal plate is fixedly connected with a top plate metal plate, and the bottom of each cabinet body metal plate is fixedly connected with a bottom plate metal plate. Welding a stainless steel shielding edge metal plate on an opening edge formed by the cabinet body metal plate, the top plate metal plate and the bottom plate metal plate; the shielding door comprises a shielding door outer door plate and a stainless steel inner door plate which are sequentially installed from outside to inside, and the stainless steel inner door plate is matched with the stainless steel shielding edge metal plate in shape. Shielding can be achieved through combination of the stainless steel inner door plate and the stainless steel shielding edge metal plate between the cabinet body and the shielding door, a stainless steel plate does not need to be adopted for manufacturing the cabinet body, and a large amount of raw material cost is saved; the shielding door is divided into the shielding door outer door plate and the stainless steel inner door plate, the shielding door outer door plate is independently processed and sprayed with anti-rust paint, and the welding difficulty and sealing requirements of the shielding door outer door plate are reduced.

The invention discloses a slipping steering engine cover for a loader and belongs to the technical field of engineering machines. A fixed cover body, a rotating cover body and a rear cover body are included; the rear cover body is connected with a frame through a sliding device; a linkage device is connected between the rear cover body and the rotating cover body; the sliding device comprises a left support and a right support which are located on the two sides of the rear cover body separately; a left sliding plate and a right sliding plate are correspondingly fixed to the two sides of the rear cover body; the linkage device comprises a frame connection rod, a rear cover connection rod and a gas spring, and the top ends of the frame connection rod, the rear cover connection rod and the gas spring are hinged to one another; the other end of the frame connection rod is hinged to the frame; the other end of the rear cover connection rod is hinged to the rear cover body; and the other endof the gas spring is hinged to the rotating cover body. The slipping steering engine cover for the loader is firm and reliable in sealing, and the sealing effect is better; the model unifying rate isgreatly increased, and the rear cover variety is reduced; the design of independent self-locking devices in the engine cover is reduced while the operation steps are simplified; and the structure issimple, the welding and installing precision requirement is low, operation is portable, disassembling and assembling are easy, maintaining is convenient, and cost is low.

The invention relates to the technical field of internal combustion engines, and particularly relates to a novel locomotive lifting beam. The novel locomotive lifting beam comprises an internal plate, an external plate, a crane cylinder, a base plate, rib plates and lifting seats, wherein two ends of the base plate are respectively connected to the bottom parts of the internal plate and the external plate; the lifting seats are clamped between the internal plate and the external plate so as to form a framework structure. The novel locomotive lifting beam is stable in structure, the structural rigidity is further enhanced by the rib plates, and an integrated lifting beam structure is formed, the intensity is improved, the welding requirement is lowered, and the lifting safety of a finished vehicle is guaranteed; moreover, the lifting seats are configured in the lifting beam, so that the problem of interference with a bogie during passing process in a curved mode is avoided, and the passing capacity is improved.

The invention relates to a cooling component. The cooling component is of a sealed shell structure and comprises a front end and a rear end, a cavity used for containing heat conduction oil is defined in the cooling component, and a first open hole is further formed in the front end of the cooling component. The invention further relates to an oil heater warmer. The oil heater warmer comprises a plurality of cooling units and the cooling component, the cooling component is arranged in an upper convex hull unit and a lower convex hull unit of the last cooling unit, and the front end of the cooling component faces the front end of the oil heater warmer; the front end of the cooling component is in sealed connection with the corresponding upper convex hull unit and the corresponding lower convex hull unit. The last cooling unit of the oil heater warmer is isolated from the heat conduction oil.

The present invention discloses a high-withstanding voltage subminiature electromagnetic relay. The subminiature electromagnetic relay comprises a moving reed part and a fixed reed part, the moving reed part comprises two moving reeds, and a connecting body which spans an acting magnetizer and can communicate two normally open contacts and/or two normally-closed contacts is also connected betweenthe two moving reeds. First positioning and welding parts used for positioning an overall acting assembly are also arranged at the outer sides of the two moving reeds, the second positioning parts matching the first positioning and welding parts are integrated in a pedestal part correspondingly, at the same time, a common terminal at the second positioning parts is canceled. The subminiature electromagnetic relay of the present invention can achieve the purpose of simplifying the relay leading-out terminal design and the user PCB design under the premise of not influencing the original performances of the relay, at the same time, and enables the paths through which the currents flow in the circuits to be shortened. Moreover, the paths through which the signals flow in the circuits do not pass the welding positions of the moving reeds and the leading-out terminals, so that the welding requirements are reduced, and the circuit reliability is improved.

The invention discloses an evaporator and an application thereof. The evaporator is used for solving the problem that a welding part of a heat exchange tube easily leaks. The evaporator comprises a shell pass and a tube pass, wherein a first working medium is introduced into the shell pass, a second medium is introduced into the tube pass, the two ends of the heat exchange tube in the evaporator and a tube plate are in tight fit, the end parts of the two ends of the heat exchange tube extend to the outer side of the tube plate, and the exposed length of the heat exchange tube is not smaller than the thickness of the tube plate; the evaporator comprises an adaptor, a conical sealing part and a locking nut, wherein the adapter comprises a flange part and a cylindrical part, the inner part ofthe cylindrical part is in a cone shape and is filled with a conical sealing part, the flange part and the tube plate are welded and fixed, and the locking nut is fastened on the cylindrical part andcompresses the conical sealing part. According to the evaporator, the adapter is connected with the tube plate in a welding mode, leakage cannot occur; and meanwhile, a first-stage over-tight fit seal and a second-stage seal sleeve seal are arranged between the heat exchange tube, the adapter and the tube plate simultaneously, so that no leakage liquid is generated between the tube pass and the shell pass.

The invention discloses a novel circulation manner large-temperature-difference heat exchange unit. The novel circulation manner large-temperature-difference heat exchange unit comprises a generator,a condenser, an evaporator set, an absorber set and a water-water plate heat exchanger. The generator is sequentially connected with a primary network water inlet, the water-water plate heat exchanger, the evaporator set and a primary network water outlet. The water-water plate heat exchanger communicates with a secondary network water inlet and a secondary network water outlet through a secondarynetwork water pipeline, and the secondary network water inlet is sequentially connected with the absorber set, the condenser and the secondary network water outlet through a pipeline. The absorber set is connected with a first solution pipeline, the first solution pipeline communicates with the generator after passing through a solution heat exchanger, the generator communicates with a second solution pipeline, and the second solution pipeline is connected with the top of the absorber set after passing through the solution heat exchanger. The bottom of the condenser communicates with a refrigerant pipeline communicating with the evaporator set, and the bottom of the evaporator set is connected with a refrigerant pump and an evaporator set spraying device through the refrigerant pipeline.The novel circulation manner large-temperature-difference heat exchange unit is simple in structure, small in heat exchange area and high in heat exchange efficiency.

A 3D printing technology-based coloring device of a photovoltaic piece comprises a transmission assembly line, wherein an identification assembly, a printing assembly and a controller are arranged onthe transmission assembly line, the printing assembly comprises a lifting rack and a sprayer, the lifting rack is arranged on the transmission assembly line, the sprayer is arranged on the lifting rack, the lifting rack comprises a lifting rod and a sliding rod, the lifting rod ascends and descends along a vertical direction, the sliding rod is arranged on the lifting rod, the sprayer is arrangedon the sliding rod in a sliding way, a CCD image sensor is used for shooting the photovoltaic piece on the transmission assembly line, a welding strip on the photovoltaic piece is identified by a processor, a position signal of the welding strip is transferred to the controller, the sprayer is controlled to slide on the sliding rod by the controller so as to spray a pigment onto the welding stripon the photovoltaic piece, a coloring layer is formed on a surface of the welding strip, so that the welding strip on the photovoltaic piece is maintained consistent with color of a battery piece, thewelding requirement of connecting the battery piece to form the photovoltaic piece is greatly reduced, and the production efficiency of the photovoltaic piece with color consistency is improved.

The invention relates to the technical field of motor stator pressing equipment, in particular to a horizontal type large motor stator iron core pressing machine. The horizontal type large motor stator iron core pressing machine comprises a fixed box body and an operating box body installed at the upper end of the fixed box body, wherein the operating box body is internally provided with an operating groove, and an opening is formed in the front of the operating groove; the operating groove is internally provided with a left bolt clamping mechanism used for fixing a workpiece, and a right bolt clamping mechanism used for fixing an electrical control hydraulic machine; a control box which is internally provided with a direct current (DC) motor is fixedly connected with the upper end, positioned at the left side of the operating box body, of the fixed box body. According to the horizontal type large motor stator iron core pressing machine, the operating groove which is internally provided with the bolt clamping mechanisms is formed in the operating box body, the DC motor arranged in the control box is used for driving a horizontally arranged transmission rod to control the positions of the bolt clamping mechanisms, and the bolt clamping mechanisms can be conveniently assembled and disassembled by inserting a telescopic rod into a telescopic hole; the horizontal type large motor stator iron core pressing machine is very simple to operate, low in requirements for a buckle piece and welding, and high in accuracy.

The invention belongs to the field of flue gas cooling, and relates to a liquid-holding flowing water cooling device and method. The liquid-holding flowing water cooling device comprises more than one heat exchange tube and a liquid-holding area arranged on the periphery of the upper part of the heat exchange tube, and more than one through hole communicating with the liquid-holding area is formed in the heat exchange tube. According to the device, cooling water naturally flows along the inner wall of the heat exchange tube from top to bottom through the through holes in the heat exchange tube to take away heat outside a flue gas passing tube; the weight of water in the whole operation system is effectively reduced, so that the weight of the whole equipment is smaller; and the whole system is in a normal pressure state, even if the wall of the heat exchange tube is slightly damaged, the operation of the whole equipment is not influenced, the welding and sealing requirements are reduced, and the equipment manufactured according to the principle can obtain longer service life.

The invention discloses a hydraulic cylinder piston rod welding structure, which belongs to the technical field of hydraulic cylinders. It includes a rod body, a rod end and a clamp block; the extension rod of the rod body slides into the bottom of the chute from the upper side of the rod end, and the positioning block of the rod body slides into the bottom of the positioning groove from the upper side of the rod end; the clamp The block slides into the bottom of the chute from the left end of the bar end, and the block is pressed on the upper side of the extension bar and the positioning block, and meanwhile, the protruding bar on the block slides into the draw-in groove of the bar end. In the welding structure of the present invention, the extension rod and the positioning block in the rod body only have a tendency to move upward; the block is pressed on the extension rod and the positioning block, and the block itself only has a tendency to move to the left. The block has a good positioning effect; since the block itself is only subjected to an upward force and no force to the left, the requirements for the welding of the block are very low, and the requirements for the welding structure of the fixed whole are very low.