152results about How to "Structural Design Improvement" patented technology

The invention discloses a microprobe structure and a manufacturing method thereof. The microprobe structure is suitable for a probe card component used for test of an electronic component. The manufacturing method for the microprobe comprises that: a micro metal structure with over two layers is sequentially formed on the surface of a substrate with space conversion by lithography, electroplating, planarization and etching technologies of a semiconductor manufacture procedure and in a way that a macromolecule substitutes and electroplates a second sacrificial layer metal and then the microprobe structure of the micro metal structure with over two layers is obtained, wherein each layer of micro metal structure is made of one material and the micro metal structure with over two layers can be made of the same material and/or different materials. The microprobe structure manufactured by the manufacturing method has a structural design of a reinforced cantilever, is suitable for a component used for test of various electronic components, and can serve as a test head of a probe card to effectively increase test bandwidth, reduce space and improve parallel test capability.

The invention discloses an encapsulated cable closure, and aims at solving the problems of poor air-tightness, poor strength and inconvenient operation of the existing encapsulated cable closures. The encapsulated cable closure consists of a box body (1) and a box cover (2) which are connected with each other, and a connecting device is arranged at the joint; cable inlets (12) at two axial ends of the box consists of symmetrical semicircles (18) which are respectively arranged on the box body and the box cover; a seal groove and a seal ring (7) are in scarf joint with each other at an abutting joint surface of the box body and the box cover; two axial ends of the seal ring (7) are provided with rubber rings (14) which are arranged in the cable inlets (12); and the box cover (2) is provided with at least two holes (6) which are matched with blanking covers (4).

The invention relates to a vertical garbage crushing and dehydration device, which relates to the field of garbage treatment equipment, and comprises a sorting platform, a crushing cavity, a layered cutter and a dehydrating auger; the outlet at the bottom of the sorting platform leads to the crushing cavity; the garbage Fall vertically on the layered cutter in the crushing chamber for crushing; the crushing chamber is connected to the auger cylinder of the dehydration auger; the dehydration auger runs through the filter barrel to the breaking mechanism; the filter barrel is connected to the material chamber of the breaking mechanism, The rotating dial is fixed in the material cavity; the disconnecting mechanism includes a motor-driven rotating dial; the squeezed dry rubbish is pushed out of the filter bucket by the dehydration auger and crushed by the disconnecting mechanism. The device achieves the purpose of final secondary utilization by gradually disposing of garbage. It involves steps such as garbage sorting, crushing, and drying, and can use the cooperation relationship between structures to process garbage. Especially during the transportation and fermentation process of the garbage during the treatment process, the structural design is added so that the garbage will not stick.

The invention discloses a thermo-acoustic drive frictional nano-generation system employing an elastic membrane, and the system comprises a thermo-acoustic engine and a plurality of membrane boxes (3), wherein the membrane boxes (3) are communicated with the thermo-acoustic engine through connection pipes (2). The interior of the inner cavity of each membrane box (3) is provided with an elastic membrane, wherein the elastic membrane enables the membrane box (3) to be divided into an upper cavity and a lower cavity, the upper cavity and lower cavity are isolated with each other, and the interior of the lower cavity is provided with a frictional nano-generator. The system enables the external heat energy to be converted into acoustic energy through the thermo-acoustic engine, and converts the acoustic energy into electric energy for output through the frictional nano-generator. The whole system is high in reliability, is low in cost, is simple in structure, and is long in service life. Compared with a conventional frictional nano-generation mode, the system can achieve the continuous, stable and high-power thermo-electric conversion.

The invention provides a three-degree-of-freedom electromagnetic vibration isolation device based on magnetic repulsion positive and negative stiffness parallel connection, and belongs to the technical field of precision vibration isolation. An X-direction magnetic spring and a Y-direction magnetic spring are vertically arranged and are connected in parallel with a Z-direction positive stiffness spring, so that a positive and negative stiffness structure of the three degrees of freedom are connected in parallel; the X-direction magnetic spring is composed of a first fixed magnet, a first movable magnet, a second movable magnet and a second fixed magnet which are sequentially arrayed along a horizontal axis X, and the Y-direction magnetic spring is composed of a third fixed magnet, a thirdmovable magnet, a fourth movable magnet and a fourth fixed magnet along a horizontal axis Y in sequence. The three-degree-of-freedom electromagnetic vibration isolation device is simple and flexible in structural design, and high in magnetic material utilization rat, and realizes the low frequency/ultra-low-frequency vibration isolation effects of three-degree-of-freedom of precision instrument equipment.

The invention relates to the field of pressure release of transformers, and particularly relates to cooling equipment with an early warning function for a pressure release process of an oil-immersed transformer. The equipment comprises a main body, an expansion mechanism, a heat dissipation mechanism, a pressure release mechanism, a butt joint mechanism and an early warning mechanism. The expansion mechanism is arranged to adapt to oil expansion or contraction along with the use condition of a main body, the pressure release mechanism is arranged to release pressure when the interior of the main body is abnormal, the main body is prevented from being deformed or exploded, the heat dissipation mechanism is arranged to play a heat dissipation role on the pressure release mechanism, the pressure release mechanism is always kept in a proper working temperature range, the service life of electronic components in the pressure release mechanism is prolonged, parts of the heat dissipation mechanism are conveniently connected through the arrangement of the butt joint mechanism, a warning effect can be achieved when the temperature of a main body is detected to be abnormal through the effect of the early warning mechanism, and the structural design convenient to install improves a use effect.

An oil injector oil-return device matched with a diesel engine is characterized in that the middle of an oil injector (6) is covered with a copper sleeve (7); the lower part of the oil injector (6) is sleeved with a copper gasket (8); the oil injector (6) is vertically mounted in an oil injector mounting hole (D) of a cylinder cover (5); a high-pressure oil connecting pipe (4) is horizontally mounted in a high-pressure oil connecting pipe mounting hole (G) of the cylinder cover (5); the front end of the high-pressure oil connecting pipe (4) is connected with an oil inlet hole of the oil injector (6); the rear end of the high-pressure oil connecting pipe (4) extends out of the cylinder cover (5) to be connected with a three-way connector (10); the oil injector mounting hole (D) and the high-pressure oil connecting pipe mounting hole (G) form an oil return cavity in the cylinder cover (5). Injected fuel oil flows out from an oil return opening (H) of the oil injector (6) and enters the oil return cavity, flows into the three-way connector (10) through a three-way oil return opening (S) and then flows back to an oil tank through a fuel oil outlet (R) and an oil pipe (9). The structural design of the cylinder cover (5) is simplified, the function of the high-pressure oil connecting pipe mounting hole (G) is expanded, the interference of the oil return passage of the oil injector (6) with other components is reduced, the manufacturing and mounting are easy, failures are reduced and the performance of the main engine is guaranteed.

The invention discloses a coiled material flat screen silk-screen printing method. The coiled material flat screen silk-screen printing method comprises the following steps that (1), a coiled material printed object is wound on a roller shaft assembly and uniformly moves forward with the speed v1, a screen frame uniformly and horizontally moves with the speed v2 in the same direction with printed object moving, the screen frame uniformly and vertically moves upward with the speed v3 along a guiding column, therefore the screen frame operates with the overall speed v4 in the inclined direction, and a scraper structure and the roller shaft assembly move uniformly and horizontally with the same speed as the screen frame and in the reverse direction with the screen frame; (2), when the screen frame and the coiled material printed object are in a relatively static state, the scraper structure moves downward to squeeze printing inks on the screen frame, and the printing inks leak onto the coiled material printed object through meshes; (3), after the screen frame and the scraper structure move oppositely and horizontally by a half length of a screen frame graph, one time of graphic printing is completed; and (4), the coiled material printed object continues to move uniformly, the screen frame, the scraper structure and the roller shaft assembly return to the initial positions, and the actions are repeated. The invention further discloses a coiled material flat screen silk-screen printing machine

The invention belongs to the technical field of antennas, and provides a high-frequency micro-strip antenna with a substrate made of high resistance silicon. The high-frequency micro-strip antenna comprises the substrate made of high resistance silicon, right-square-pyramid-frustum-shaped grooves, radiation patches, feeder lines of the radiation patches and a ground lug, wherein the right-square-pyramid-frustum-shaped grooves are formed in the bottom of the substrate, and the radiation patches are arranged on the upper surface of the substrate and provided with degeneration units. Due to the fact that air slots in the reverse side of the substrate made of high resistance silicon are designed into the right-square-pyramid-frustum-shaped grooves, MEMS wet etching can be adopted, the conical surfaces of the right-square-pyramid-frustum-shaped grooves are automatically etched into conical surfaces of which the angle is the same as the material crystal orientation interfacial angle, a waste masking layer cannot be generated, and the etching speed and flatness of the top surfaces of the grooves are respectively increased by about 10 times and 20 times of the etching speed and flatness in the background technology. The high-frequency micro-strip antenna has the advantages that the structural design of the antenna is advanced, the production process is easy and convenient to conduct, production efficiency is high, the yield is high, microwave losses are low, radiation efficiency is high, the performance of the antenna is excellent, the antenna is easily integrated to form an array type micro-strip antenna, production cost is low, and the requirements for large-scale production can be met.

The invention discloses an automatic loading and unloading hydraulic plane strain test device and a test method thereof, and solves problems that intermediate principal stress adjustment in an existing strain test device depends on manpower and precision is difficult to guarantee. The test device comprises a pressure chamber which is provided with an internal cavity, a plane strain pressure chamber positioned in the internal cavity of the pressure chamber, two jacks and at least two soil pressure boxes, wherein the plane strain pressure chamber is also internally provided with a cavity, is used for placing a soil sample to be measured, and includes two hydraulic bags and two baffle plates; the bottom of each jack is fixed to the pressure chamber, and a telescopic end of each jack is connected to the baffle plate and used for driving the baffle plate to move in a reciprocating mode so that loading or unloading of a principal stress in the soil sample to be measured is achieved; and theat least two soil pressure boxes are embedded on the inner walls of the two baffle plates and are used for acquiring the intermediate principal stress data of the soil sample to be measured.

The invention discloses a climbing sucker for air conditioner installation, which includes a sucker, a mounting plate, a connecting rod, a connecting rod, an upper metal ring, a steel cable, a handle, a safety belt, a waist pad, a safety buckle, a connecting ring, an air guide tube, The air pump, exhaust port and battery, the suction cup is connected to the connecting rod through the mounting plate, the connecting rod is connected to the upper metal ring through the connecting rod, the upper metal ring is connected to the handle through a steel cable, and the handle A safety belt is provided on the lower side of the body, the waist pad is connected to the safety buckle through the safety belt, the left side of the safety buckle is provided with a connecting ring, and the right side of the suction cup is welded with an air guide tube, and the air guide tube passes through the The air pump is connected with the exhaust port, and a storage battery is arranged on the lower side of the air pump. The device adopts double suction cup design, large suction cup area, strong adsorption capacity, high safety in use, adopts air pump external suction mode, fast adhesion, easy to climb and hoist during air conditioner installation, is a set of excellent performance air conditioner installation and climbing sucker.

The invention discloses a fertilizer applicator with adjustable width for eucommia ulmoides fields. The fertilizer applicator comprises supporting seats and a fertilizer hopper, wherein the supportingseats comprise a left supporting seat and a right supporting seat; a vertical column A and a vertical column B are respectively connected to the upper ends of the left supporting seat and the right supporting seat; a rack is welded to the rear end surface of the vertical column A; the rack meshes with a gear; the gear is connected with an output shaft of a motor B; the motor B is mounted on a motor seat; a cross rod is connected to the right end of the motor seat; a sliding rail is connected to the rear end surface of the cross rod; sliding blocks are connected to the sliding rail in a sliding manner; material discharging pipes B are connected to the rear ends of the sliding blocks; a motor A is connected to the upper end of the vertical column A; a rotary shaft is connected to an outputshaft of the motor A; material discharging ports are formed in the lower part of the fertilizer hopper; material discharging pipes A are connected to the lower ends of the material discharging ports;plastic hoses are connected to the lower ends of the material discharging pipes A; the lower ends of the plastic hoses are connected with the material discharging pipes B; and plow heads are connectedto the front ends of the lower parts of the material discharging pipes B. The fertilizer applicator has the advantages of adjustable fertilizing depth and width, wide application range, adjustable blanking speed, high fertilizing efficiency, good fertilizing effect and good buffering effect.

The invention discloses a co-curing double-line spraying production device; and when the powder spraying treatment is performed for the surface of an aluminum profile, two automatic spraying production lines share one set of curing drying tunnel. The device is characterized in that machined parts, sprayed with powders by two powder spraying chambers, are dried and cured by one curing drying tunnel. When spraying powders of different colors are changed, complex cleaning procedures for the powder spraying chambers and a powder recovery system can be reduced; one curing drying tunnel is used for drying and curing, so that the energy waste can be reduced; and the operation is synchronously performed on two spraying systems, so that the production progress can be greatly quickened. The shared curing drying tunnel and a gas curing heating furnace are reasonable in structural design, small in floor area, small in labor number and high in productivity.

Provided is a gas supplying pipeline. The pipe wall of the gas supplying pipeline is provided with a linear opening in the hole direction of the gas supplying pipeline; the pipe wall is fully or partially made of an elastic material; and according to the opening, a plurality of persons can get close to the opening to directly inhale with the mouths at the same time, or gas passing pipes are used and are inserted into the opening for inhaling.

The invention relates to a liquid gas storage tank decompression leakage safety valve and a using method thereof. When the environment temperature rises to reach the temperature set by a temperature-sensing element, the temperature-sensing element extends to enable a valve cover and two magnet rings to move upwards wholly, the two magnet rings and two upward repulsive forces to magnetic cores become downward repulsive forces to the magnetic cores, small springs are released, magnetic core sleeves are forced to downwards do axial motion, an air outlet hole I of a small valve body is plugged through a sealing cap, and supply of liquid gas is cut off; when fuel gas leaks, an electromagnet receives a driving source, a static iron core and a movable iron core generate attraction force, and thestatic iron core drives the valve cover to wholly and upwards do axial motion; and in the upward motion process of the valve cover and the two magnet rings, the two magnet rings and the two upward repulsive forces to the magnetic cores become downward repulsive forces to the magnetic cores, the small spring is released, the magnetic core sleeves are forced to downwards move, the air outlet hole Iof the small valve body is plugged through the sealing cap, and supply of the liquid gas is cut off. Dangers of explosion and person poisoning generated by liquid gas leakage are avoided.