49results about How to "No solder joints" patented technology

The invention discloses an automatic air conditioner base bolt and base foot welding production system which comprises a conveying belt and a rack matched with the conveying belt. An air conditioner base plate feeding station, a screw feeding station, a screw welding station, a base foot feeding station and a base foot welding station are sequentially arranged on the rack in the air conditioner base plate machining direction, positioning templates are arranged on the stations, and station manipulators are installed on the rack. The automatic air conditioner base bolt and base foot welding production system is characterized in that the air conditioner base plate feeding station comprises a conveying belt and a correction device; the screw feeding station comprises a vibratory selecting machine, a screw distributor and an automatic bolt feeding device; the screw welding station comprises a screw welding machine; the base foot feeding station comprises an automatic base foot feeding device and a moving feeding trolley; the base foot welding station comprises a base foot double-end welding machine. The automatic air conditioner base bolt and base foot welding production system completely achieves automatic air conditioner base bolt and base foot welding, and the whole system enables labors to be saved, overcomes the shortcoming that the quality of an existing air conditioner base plate cannot be ensured and has the advantages of being capable of saving manpower and material resources, high in production process and free of insufficient solder.

Disclosed are a die and method for manufacturing an inner and outer pipe workpiece with separation ribs in the middle through an extrusion method. The die comprises a male die body and a female die body which are vertically and coaxially arranged. The top end of the male die body is fixed to the lower portion of an upper die plate, and the female die body is fixed to the upper portion of a lower die plate. An ejector rod is arranged in a through hole in the middle of the lower die plate in a sliding manner. The convenient extrusion method is provided under the condition that the heights of an inner pipe, an outer pipe and separation ribs are different, and the die is novel and unique in design. The surface of a product is free of weld joints, and the die can adapt to places with high requirements for strength. The die is easy to machine and low in manufacturing cost. In the extrusion process, work stress is low, the tonnage of needed equipment is low, the die is not prone to being damaged, economical benefits are high, and cross sections of extrusion parts do not need to be consistent. Along with rapid development of the industry, the application range of the inner and outer pipe workpiece with the separation ribs of this kind is wider and wider, and the extrusion moulding method and the die structure have the great application prospect in industrial production.

The invention relates to the field of furniture appliances and particularly relates to a cabinet containing a suspension hanger. The cabinet containing the suspension hanger comprises an upper panel extending in a horizontal direction and back plates extending in a vertical direction, wherein the upper panel comprises an upper top plate; the upper top plate is connected with a deck plate; the deck plate is provided with an accommodating groove and the back plates include a main back plate and an adjustment back plate; the main back plate comprises a fixed extension plate positioned at the upper side and a lower connection part positioned at the lower side, and the fixed extension plate is inserted into a back plate connecting slot; the adjustment back plate comprises an upper connection part positioned at the upper side and a lower connection part positioned at the lower side. The invention aims at providing a cabinet comprising a suspension hanger. The cabinet comprises an outer metal layer and an inner wood-plastic layer; a traditional welding technology is not adopted for connection, integrally molded components are mutually matched to realize connection, the back plats are made of a metal material, are mutually spliced and are adjustable in height, the hanger can be suspended on the front parts of the back plate and are detachably, and the division area of an inner cavity can be adjusted according to the suspension position and structure of the hanger.

The invention provides a balcony guardrail, and solves the problems that the conventional balcony guardrail is easy to rust and corrode in the prior art. The balcony guardrail comprises two vertical columns and a plurality of beams fixed between the vertical columns, wherein a plurality of vertical bars are fixed on the beams; handrails are fixed on the tops of the vertical columns; and the vertical columns, the beams, the vertical bars and the handrails form the balcony guardrail and are made of hot galvanizing materials. According to the balcony guardrail, the production cost of the balcony guardrail can be effectively reduced, and the balcony guardrail cannot be rusted after being exposed to the sun and the rain for a long time in an open-air environment, so that the firmness of the balcony guardrail is guaranteed, the service life of the balcony guardrail is prolonged, and high practicability is realized.

The invention discloses a hysteresis loss improvement and eddy current on-line monitoring method for an excitation transformer, belonging to the technical field of design and manufacture of transformers. The method requires the following devices: an excitation-free high-strength steel plate (1), a polymer insulation sill piece (2), a high-permeability pulling plate (3), a demagnetization hole (4) and a sensor. The surface of the excitation-free high-strength steel plate (1) is coated with a thin insulation paint layer, so that eddy current can circle round only in a narrow loop so as to increase the resistance of an eddy current loop and reduce eddy current loss. The high-permeability pulling plate (3) can effectively fill an effective section of an iron core so as to reduce magnetic flux density and the eddy current loss of the iron core per se. The sensor is arranged on the polymer insulation sill piece (2, so that the hysteresis and eddy current losses of the transformer in different operation conditions can be monitored and the efficiency of the transformer is increased. The method can be widely applied in power transformer design and manufacture enterprises, and the energy-saving and cost-reducing purposes are achieved.

The invention discloses a strengthening method for preventing detachment of lining of an ore storage bin. The strengthening method for preventing the detachment of the lining of the ore storage bin adopts a row of components for strengthening-steel rails (7), the steel rails (7) are vertically arranged on the side face of a frontal wall of the junction of the ore storage bin (2) and a crusher chamber (1), components for strengthening further comprise box iron (6), a U-shaped anchor bar (8), a box iron anchor bar (9), bolts, wedge-shaped base plates, pressing plates, nuts and base pads, and they together form a bracing frame; the box iron (6) is horizontally arranged along the steel rails (7) from top to bottom in a transverse mode; the bracing frame is entirely injected in concrete to form a whole. The bracing frame adopted by the strengthening method for preventing the detachment of the lining of the ore storage bin has the advantages that the structure is simple, the installation is convenient, the possibility that the bolts are prone to be smashed is reduced, the firmness of the steel rails (7) is guaranteed, no welding point occurs in installation, the working condition is good, and the bolts and the pressing plates are easy to purchase; the U-shaped anchor bar and the pressing plates can effectively prevent the detachment of the lining of the ore storage bin to enable the ore storage bin to work normally. The strengthening method for preventing the detachment of the lining of the ore storage bin can be applied in underground primary bins and ore treatment plant earth surface skip ore storage bins.

The invention discloses an oxygen second level voltage stabilizer, comprising a valve, an air inlet arranged in the left side of the valve, an air outlet arranged in the right side of the valve, LCD (Liquid Crystal Display) screens arranged on the left and right sides on the top of the valve, a safe valve arranged on the right side of the bottom of the valve, adjusting valves arranged on the upper end and the lower end of the valve and arranged oppositely and ball valves arranged in the valve, wherein pressure sensors are arranged between the LCD screens and the valve. The oxygen second level voltage stabilizer can use pressure gages or the sensors and the LCD screens according to the choice of a customer, is in an integrated structure, and has the advantages that the size is small, no welding point exists, the mounting is convenient, no diaphragm is arranged in the adjusting valves, the material is anti-corrosion, the pressure gages are convenient to replace, the use is not influenced by the detachment and mounting, no switch is arranged, the switch, the adjusting valves and the valve are combined, and safety and reliability are realized.

The invention discloses a string-insertion bundle-shaped filler device for rural sewage treatment. The device comprises a filler frame and bundle-shaped elastic filler, and the filler frame is composed of a single hollow annular frame or two hollow annular frames and support plates; when the filler frame is provided with the single hollow annular frame, multiple layers of support plates are vertically arranged in the single hollow annular frame in parallel; when the filler frame is provided with the two hollow annular frames, multiple layers of support plates vertically arranged in parallel are fixed between the two hollow annular frames; through holes with the string-insertion bundle-shaped elastic filler are formed in all layers of the support plates, and the device is integrally formedand provided with an identifier for measuring the water level; on the basis of meeting demands of existing known technologies, the device has the advantages of being short in membrane-forming time, high in water flow impact resistance, convenient to place and maintain, capable of measuring the water level and the like.

The invention discloses a quick release type front windshield protective net structure. The structure comprises a protective net body, a suspension mechanism and a quick locking mechanism, wherein the suspension mechanism is arranged on one side of the protective net body, and the quick locking mechanism is arranged on the other side of the protective net body; the suspension mechanism is used for installing the protective net body on an upper portion of a cab body in a suspension mode; the quick locking mechanism is used for detachably mounting a lower end of the protective net body on a front wall part of the cab body; a damping mechanism composed of a fixing shaft, a check ring, a spiral spring and the like is further arranged in the rapid locking mechanism. According to the quick-release type front windshield protective net structure, quick mounting and dismounting can be achieved, flexible connection between the front windshield protective net and the cab body is achieved by arranging the damping mechanism, impact of the protective net on the cab body in the traveling process is effectively reduced, in addition, the outer framework of the protective net body is a rectangular pipe framework, so the overall strength performance of the protective net body can be improved.

The invention discloses a double-cavity-layer combiner and a public port device thereof. The public port device is characterized in that a first division plate is arranged in a shell and used for dividing the shell into a first cavity layer and a second cavity layer, and a second division plate is arranged on the first division plate and used for separating the first cavity layer into a first cavity 1 and a first cavity 2. A public joint hole connected with a public joint is formed in the shell, a coupling window is concavely arranged on a side, opposite to the public joint hole, of the first division plate, a coupling hole is formed in the first division plate, the second division plate, a first resonant rod, a second resonant rod or a third resonant rod, and one end of a coupling rod is used for being connected with the public joint while the other end thereof is inserted into the coupling hole. The double-cavity-layer combiner and the public port device thereof have the advantages that bandwidth distribution of a vertically double-layer three-channel port can be achieved only with one rod insertion type coupler, so that a double-layer structure is widely applicable to a modern mobile communication system; without a public resonant cavity required in a traditional structure design, the combiner is small in insertion loss and size, convenient to process and low in processing cost.

The invention discloses a method and device for manufacturing fences. The method comprises the following steps of drilling a plurality of mounting holes in crossbeams through a drilling assembly; placing the crossbeams on a hole enlargement operation table of a hole enlargement assembly, and inserting vertical rods in the mounting holes; enabling a hole enlargement machine of the hole enlargementassembly to move to an original state and expand to a hole enlargement position of each vertical rod, enabling a conical rod of the hole enlargement machine to rotate clockwise to drive an external swelling tube to move downwards and drive a swelling column to protrude outwards, when the situation that pressure value achieves a pre-set threshold is detected by a pressure sensor of the hole enlargement assembly, enabling the hole enlargement machine to rotate anti-clockwise instead of clockwise rotation, driving the swelling tube to move upwards and the swelling column to retract inwards, and enabling the hole enlargement machine to return to the original state to realize seamless piezoresistance connection between the crossbeams and the vertical rods; and through left-and-right movement ofthe hole enlargement operation table, enabling the hole enlargement machine to move from the present original state to the next original state and performing the work of hole enlargement according tothe step 3.

The invention relates to the field of furniture articles, in particular to a cabinet with adjustable backboard height. The cabinet is realized through the following technical scheme that the cabinet with the adjustable backboard height comprises an upper panel which stretches on the horizontal direction and a backboard which stretches on the vertical direction, wherein the upper panel comprises an upper top board; the upper top board is connected with a platform panel; a containing groove is formed in the platform panel; the backboard comprises a main backboard and an adjustable backboard; the main backboard comprises a fixed stretching-in board which is located above the main backboard and is used for being inserted into a backboard connecting groove and a lower connecting part which is located under the main backboard; the adjustable backboard comprises an upper connecting part which is located above the adjustable backboard and a lower connecting part which is located under the adjustable backboard. According to the cabinet with the adjustable backboard height, provided by the invention, the cabinet comprises a metal outer layer and a wood-plastic inner layer, connecting can be realized without adopting a traditional welding technology, and the connecting can be completed through mutual matching of integrated parts; the backboard is made by adopting a metal material, mutual splicing is realized, and the height is adjustable.

The invention relates to a direct-fed plastic electroplated antenna unit. The antenna unit module comprises a radiating surface, a metal piece, a plastic carrier and a power division network, the power division network is realized on the plastic carrier through an LDS process, and a radiating unit and the power division network are directly conducted through the metal piece in a direct feed mode.By adopting the technical scheme, the yield of the antenna unit module can be effectively improved, and meanwhile, the product cost is reduced.

The invention discloses a trapezoid self-locking pin bearing retainer. The retainer is of a cylindrical structure and comprises multiple locking pin opening units, wherein the locking pin opening units are uniformly arrayed along the circumference of the retainer; each locking pin opening unit comprises two bar-shaped locking pin openings which are of the same shape and size and are in parallel with the axis of the retainer; the two locking pin openings are separated by a bar-shaped window beam which is arranged in the middle of the retainer and extends along the circumferential direction; each locking pin is formed between two adjacent bar-shaped window bars; trapezoid bosses are arranged at two ends of each window bar; clamping openings for clamping rolling pins are formed between bosses of the two adjacent window bars and are distributed along the circumference of the cylindrical retainer. The invention further provides a blanking die for manufacturing the trapezoid self-locking pin bearing retainer. The trapezoid self-locking pin bearing retainer has the advantage of uniform shapes of self-locking structures, no welding point, high intensity and long service life.

The invention relates to the field of household furniture, in particular to a novel cupboard. The novel cupboard is realized by the following technical scheme that the novel cupboard comprises an upper panel extending in a horizontal direction and a backboard extending in a vertical direction, wherein the upper panel comprises an upper top board; the upper top board is connected with a platform panel, and the platform panel is provided with a containing groove and comprises a main backboard and an adjusting backboard; the main backboard comprises a fixed extending board and a lower connecting part, wherein the fixed extending board is positioned at the upper part of the backboard connecting groove and is used for being inserted into the backboard connecting groove, and the lower connecting part is positioned at the lower part; one surface, which faces to a wall, of the fixed extending board is provided with a hanger installing groove for installing hangers. The novel cupboard provided by the invention has the advantages that a metal outer layer and a wood-plastic inner layer are included, the connection also does not adopt the traditional welding technique, and the connection is finished by mutual matching of integrally formed parts; the backboard is made of metal materials, and the novel cupboard is assembled by mutual splicing, is adjustable in height, can be put on the ground and also can be suspended on the wall.

The invention discloses a system for installing equipment on a street lamp pole. The system comprises a hoop and a supporting arm, the hoop comprises two annular rotary bodies, one ends of the two rotary bodies are rotatably connected, the other ends of the two rotary bodies are locked through a locking mechanism, the two rotary bodies are provided with protruding blocks, the protruding blocks areprovided with connecting holes, and the supporting arm is connected with the hoop through the connecting holes. The system has the advantages that the installing of equipment in cities and urban areas with a plurality of street lamp poles can be met, and the angle of the installing direction of the equipment can be adjusted.

The invention relates to a coil for a closed cooling tower heat radiator, which is characterized by being of a continuously-bent pipeline structure which is integrally molded, the cross section of a flattened coil is shaped like an olive with the width of 13mm and the height of 35mm. A manufacturing method of the coil comprises the following steps of (1) flattening the coil to be shaped like an olive with the width of 13mm and the height of 35mm by using a machine; (2) continuously bending the coil into a piece from the length of 90m by using a pipe bending machine to achieve the aims of having no joints and welding spots; and (3) forming a coil group, and then, assembling the coil group into a cooling tower. The coil has the advantages that 1, the problems of short life, low heat exchange efficiency, material waste and the like existing in traditional elbow pipes are solved; 2, due to the adoption of the olive-shaped coil, the condensation area is increased, the transportation width is reduced, spray water can be uniformly sprayed, and saturation exchange reaches the optimal cooling effect (100%); and 3, the coil is convenient to manufacture and low in market price and can be largely purchased for standby application.