15results about How to "Exquisite structure design" patented technology

The application provides a karst region foundation pit gushing water treatment and reinforcement method, wherein the gushing water treatment comprises the following specific steps: determining the position of a cave cavity in the foundation pit range; analyzing and evaluating the risk level of gushing water damage when the foundation pit is excavated to a preset depth and in the use stage of the foundation pit; vertically arranging a flow guide hole, the bottom end of the flow guide hole penetrating through the cave cavity, and a flow guide pipe being sleeved in the flow guide hole, and a water permeable hole being arranged on the side wall of the flow guide pipe in the cave cavity; fixing the flow guide pipe; vertically arranging a plurality of gravel filling holes communicating with the cave cavity, and inserting a flow meter for gushing water observation into the gravel filling hole; filling gravel into the cave cavity through the gravel filling hole; foundation pit excavation support and underground gushing water monitoring. The application can overcome the potential subsequent risk caused by plugging in the traditional karst cavity treatment, and improve the uplift and compression bearing capacity of the foundation pit.

This utility model discloses a static mixing and conditioning device for LPG and biogas, belonging to the field of gas mixing technology. The device includes a main pipeline, an LPG supply pipeline, and a unique jet mixing structure. The jet mixing structure has two rows of functionally differentiated jet orifices for achieving rapid and uniform mixing of LPG and biogas. The device is characterized by integrating an automatic control assembly composed of physical components, including sensors installed on the pipeline, a central controller, and an electric regulating valve installed on the LPG pipeline. These components are physically connected and transmit signals through circuitry, enabling the device to automatically adjust the LPG injection rate based on real-time monitored gas parameters, ensuring a stable calorific value of the mixed gas. This utility model solves the technical challenges of biogas grid connection through a purely physical structure and electromechanical integration, offering reliable structure and precise control.

The application discloses a miniaturized multilayer capacitive coupling LTCC dual-frequency antenna, which comprises an LTCC substrate, four metal layers embedded in the LTCC substrate, and a feeding electrode, a rear auxiliary electrode, a left ground electrode and a right ground electrode packaged on the surface of the LTCC substrate. The LTCC substrate comprises five dielectric layers, and the four metal layers are sequentially stacked in the vertical direction and are separated by the dielectric layers between adjacent metal layers. The four metal layers comprise a first coupling patch and a second coupling patch, a third coupling patch, a first radiation plate and a second radiation plate. The first coupling patch and the third coupling patch are coupled with the first radiation plate through interlayer coupling to generate a first resonant frequency; and the second coupling patch and the second radiation plate are coupled through interlayer coupling to generate a second resonant frequency which is higher than the first resonant frequency. The application realizes dual-frequency operation in a small size by optimizing the antenna structure, and has the characteristics of simple structure, easy processing and stable performance.

This utility model discloses a foldable temporary sewage filter fence, which includes a fixed base plate, two fixed vertical plates fixed on the fixed base plate, and a fixed horizontal axis fixed between the two fixed vertical plates. A first water-blocking frame is rotatably fitted on the fixed horizontal axis. A mounting groove is opened on one side of the first water-blocking frame. A second water-blocking frame is rotatably connected to the top of the first water-blocking frame via a connecting hinge. A sliding ring seat and a return spring are movably fitted on the fixed horizontal axis. The sliding ring seat can rotate around the fixed horizontal axis. The sliding ring seat and the return spring are accommodated in the mounting groove. An operating handle is fixedly connected to the sliding ring seat. The two ends of the return spring abut against the side wall of the mounting groove and one side of the sliding ring seat, respectively. At least one positioning rod is fixedly provided on the sliding ring seat. The positioning rod is away from the return spring, extends and passes through the first water-blocking frame, and can selectively insert into the fixed vertical plate corresponding to its position. This utility model can achieve convenient two-section folding.

The utility model discloses a novel light emitting photo frame refrigerator sticker, including refrigerator sticker photo frame main part, the bottom fixed setting of refrigerator sticker photo frame main part has conversion structure, the inside of refrigerator sticker photo frame main part is equipped with central processing structure, the top of central processing structure is equipped with light emitting structure, one side of light emitting structure is equipped with display structure, the utility model discloses a novel light emitting photo frame refrigerator sticker, and the functions such as photo frame display, refrigerator sticker adsorption, light emitting, identification decoration are integrated, as photo frame, can show the content such as photo, card, refrigerator sticker photo frame main part can be firmly adsorbed on the surface of refrigerator and other magnetically adsorbable surface, and the convenient display and use, the light emitting function can not only highlight the display content, but also can act as temporary lighting or atmosphere light source in dark environment, in addition, through the pin design, can also be worn as a badge on clothes, bag, satisfy the diversified use demand of user under different scenes, expand the applicable range.

The utility model discloses a telescopic material taking and placing device capable of 360 degree rotation, including rotary drive motor, hollow rotating platform, first bottom plate, second bottom plate, third bottom plate and fourth bottom plate, and first bottom plate is rotated any angle through rotary drive motor cooperation hollow rotating platform, through first servo motor can drive screw -nut drive structure action drive second bottom plate translation, and through the cooperation of gear and rack drive structure drive third bottom plate realizes the translation of double stroke, through second servo motor drive synchronous drive structure action drive fourth bottom plate translation, and fourth bottom plate detachable installation has the carrier for placing product. The utility model discloses through hollow rotating platform adjustment carrier's attitude to the angle position required, can realize 360 degree range arbitrary angle rotation, and can drive carrier and convey product to farther place, increase the moving stroke of product, satisfy the production need.

The utility model discloses a kind of high-purity diaphragm pressure gauges, including watch case, further include: lower connector, the lower connector is arranged at the bottom side of the watch case, the top end of the lower connector is located inside the watch case;Upper connector, the upper connector is located at the top of the lower connector, the gap between the lower connector and the upper connector constitutes accommodating cavity;Diaphragm, the diaphragm is arranged in the accommodating cavity.This application structure design is more ingenious, reasonable, can be installed very conveniently, more extensive, not restricted by space;Fan gear and transmission gear are engaged with each other, can guarantee instrument indication accurate and correct;High overvoltage protection device design can ensure not to be impacted by instantaneous overvoltage, and prolong the service life of high-purity diaphragm pressure gauge;All with the inner surface finish of medium contact component Ra≤0.5 μm, effectively protect high-purity system medium from pollution, completely applicable to ultrahigh pure field environment use.

The utility model discloses a cleaning device for gear shaft processing, which relates to the technical field of gear shaft processing, and comprises an upper barrel body, a lower barrel body, a protective cover and a reinforcing support frame, a cleaning control mechanism is arranged above the protective cover, an interval placing mechanism is arranged in the upper barrel body, and the lower barrel body is arranged above the protective cover. And an auxiliary cleaning and discharging mechanism is arranged in the lower barrel body. According to the cleaning device for gear shaft machining, the multiple sets of net cylinders are arranged and placed in a one-shaft and one-cylinder mode, so that the phenomenon that shaft pieces collide with one another and are damaged in the cleaning process of gear shafts is avoided, and the gear shafts in the cylinders are further subjected to abutting limiting through abutting assemblies; on the basis of guaranteeing stable placement of the gear shaft, the gear shaft is not prone to being damaged in the subsequent cleaning process, meanwhile, in the driving assembly, a small gear is used for driving a large gear to conduct transmission output, guarantee is provided for the transmission stability of the subsequent cleaning assembly in the mode of increasing the output torque of the device, the overall structural design is ingenious, and the practical effect is good.

This utility model discloses an invasive thermal resistance tester for diving suit fabrics, relating to the field of fabric performance testing technology. It includes a base, a housing, a lifting mechanism, a connecting assembly, a testing mechanism, and a sample container. The base has a mounting groove on its top and a pressure regulating valve on its outer wall. The housing is mounted on the base, with a display screen and control buttons on its front wall. The lifting mechanism includes a cylinder assembly, a drive assembly, and a lifting platform. The connecting assembly is mounted on the bottom of the lifting platform and consists of an upper connecting plate and a U-shaped placement hook fixed to the center of its bottom. The testing mechanism is placed in the mounting groove and includes a test cylinder assembly, a pressure regulating head, a heating coil, and a water inlet. The sample container is suspended from the U-shaped placement hook, and the lifting mechanism drives it to extend into the test cylinder assembly, enabling accurate measurement of the thermal resistance performance of the diving suit fabric. This utility model has a reasonable structure, can simulate a real underwater environment, accurately measure the thermal resistance of diving suit fabrics, and provide reliable data for diving suit research and development.

The utility model relates to the technical field of semiconductor manufacturing, in particular to a slicing device for wafer production, which comprises a bottom plate, the front part and the rear part of the upper end of the bottom plate are fixedly connected with a cutting device together, and the four corners of the lower end of the bottom plate are fixedly connected with supporting foot seats. The inner side faces of the four supporting foot bases are jointly and fixedly connected with a mounting plate, the upper end of the mounting plate is fixedly connected with a dust suction device, clamping outer frames are fixedly connected to the left portion and the right portion of the upper end of the bottom plate correspondingly, and screw rods are in threaded connection with the interiors of the two clamping outer frames correspondingly; the upper ends and the lower ends of the two screw rods are fixedly connected with hand wheels and clamping plates correspondingly. According to the slicing device for wafer production, compared with a traditional common mechanical transmission structure, the cutting device of the slicing device has the advantages that the positioning and moving precision of the cutting assembly is improved, the cutting wheel is always kept at the stable and accurate position in the cutting process, it is effectively guaranteed that the thickness of cut wafers is uniform, and the production cost is reduced.

The application relates to the field of installation and positioning of a sensor tested under deep-hole test conditions, and particularly relates to a positioning and installation device for a deep-hole buried sensor, which comprises a base, an in-hole support, a rotary table assembly, the base is composed of a base body, a steel wire rope and connecting screws, the steel wire rope is fixedly connected with the base, the connecting screws are arranged on the base body, the in-hole support is arranged on the base, the base body is connected with both sides of the in-hole support through the connecting screws, and the rotary table assembly suitable for sensor installation is arranged on the in-hole support, the overall structure design is scientific, the structural composition is simple, and the installation operation is convenient; the sensor positioning and installation device solves the problem of convenient and rapid sensor layout in a deep hole, and effectively improves the convenience degree of sensor layout and installation and the effective degree of data acquisition in deep-hole explosion test.

The application discloses a telescopic glove conveying device and a conveying method. The telescopic glove conveying device comprises a rack, a feeding unit and a conveying unit. The feeding unit allows the glove to be firstly fed to the first conveying belt from the fingertip part of the glove stripped from the hand mold. The conveying unit comprises the first conveying belt, the first driving unit, the moving roller, the first moving driving, the telescopic roller and the second moving driving. The first conveying belt is sleeved outside the moving roller and the telescopic roller and can rotate under the action of the first driving unit, so as to forwardly convey the glove fed to the first conveying belt. The moving roller can reciprocatingly slide under the action of the first moving driving, so as to drive the end of the stroke of the first conveying belt to reciprocatingly slide horizontally, so as to cross and stack the gloves. The telescopic roller is arranged away from the moving roller and can reciprocatingly slide under the action of the second moving driving, so as to real-time tension the first conveying belt. The conveying method adopts the telescopic glove conveying device. The application has reasonable structure, multiple functions and can conveniently realize the cross and stacking of the gloves.

The application discloses a liquid fuel ignition device for a coal-based kitchen range, which comprises an ignition device mainly composed of a vaporizer, an oil inlet pipe, an oil tank, a range head and an ignition needle, the vaporizer is composed of a vaporizing pipe and a nozzle pipe, the oil tank is communicated with the oil inlet of the vaporizer through the oil inlet pipe, an electromagnetic pump is arranged on the oil inlet pipe, the nozzle pipe is welded on the vaporizing pipe, a spray hole is formed in the front end of the nozzle pipe, and an on-off valve for controlling the switch of the spray hole is connected to the rear end of the nozzle pipe; compared with the prior art, the structure of the vaporizer is ingenious, the volume is small, the heat utilization rate is extremely high, the energy consumption is low, the liquid fuel can be quickly and completely vaporized in the vaporizer, the kitchen range can be provided with continuous combustible vapor fuel, the safety of the device is greatly improved, a large amount of fuel cost can be saved for the majority of merchants, a gentle flame is provided, the combustion process is quiet and noiseless, and the device is suitable for household use and use in shops requiring a simmering range.

The utility model relates to a spaceflight core circuit board batch screening test fixture, which relates to the technical field of spaceflight electronic equipment testing, and comprises an upper shell and a lower shell, and the upper shell covers the lower shell; eight sunken open grooves are formed in the bottom face of the interior of the upper shell and the bottom face of the interior of the lower shell, supporting and limiting protrusions are arranged at the positions, close to edge openings of the bottom faces, of the sunken open grooves, and three positioning holes are formed in the edge opening of each sunken open groove; one end of the inner bottom surface of the upper shell and one end of the inner bottom surface of the lower shell are each provided with a through vacuum pumping hole and a pin header wiring hole. DB25 connecting holes communicated with the pin header wiring holes are formed in the side faces of the upper shell and the lower shell, screw holes are formed in the two sides of each DB25 connecting hole, and dispensing holes are formed in the outer side edge openings of the pin header wiring holes. The test fixture has the advantages that the test efficiency is greatly improved, and the test fixture has great generalization performance.

The utility model discloses a high -purity dry reed tube electric contact pressure gauge, including watch case and watch cover still include: movement, the movement sets up in the inside of watch case, the axial joint sets up in the inside of watch case, C type pipe, C type pipe sets up in the inside of watch case, and one end of C type pipe with the axial joint one end intercommunication. The novel dry reed tube electric contact device in the utility model, contact package, glass fills with inert gas, and the arc will not be started when gas protection when contact, greatly prolongs the service life, reaches 100 million times or more, the structure design is more exquisite, reasonable, can install very conveniently, utilizes dry reed tube electric contact device and can set up single -pole double -throw, double -pole double -throw, and the customer is conveniently switched to rise alarm, falling alarm, and the surface finish of all the parts of medium contact is Ra 0.5um, effectively protects the medium in high -purity system from being contaminated, and is completely suitable for ultrahigh -purity field environment use.