32results about How to "Accurate connection" patented technology

This utility model discloses a high coaxiality radio frequency connector, including a male and a female connector. The female connector has three sets of connecting plates on its outer periphery, and the male connector has three sets of insertion slots on its outer periphery that mate with the connecting plates. A disassembly component for separating the male and female connectors is located beside the insertion slots. The female connector is inserted into the insertion slot of the male connector via the connecting plates, completing the coaxial connection between the male and female connectors. This utility model, through the cooperation between the connecting plates of the female connector and the insertion slots of the male connector, and the correspondence between the fastening protrusions and the positioning slots, makes the connection between the male and female connectors more precise, effectively preventing displacement or deformation of the inner and outer conductors caused by frequent insertion and removal, maintaining stable coaxiality, and ensuring signal transmission consistency and reliability.

This invention relates to the field of fireboat water pump installation technology, specifically to a method for installing a water-spraying propelled fireboat's water pump. The method includes: S1. Initially positioning the water inlet channel on the hull plate, allowing the outlet flange of the water inlet channel to extend into the pump chamber; S2. Placing a dummy pump fixture in the pump chamber, the dummy pump fixture including a dummy pump body, with dummy pump feet at the bottom of the dummy pump body. The dummy pump feet are first anchored to the outlet flange of the water inlet channel using locating pins, and then fixed with bolts; a dummy pump shaft, which is a round tube, is installed on the top of the dummy pump body; S3. Butt-welding the water inlet channel to the hull plate, monitoring the relative position changes of the dummy pump shaft and the steel wire in real time; S4. After welding the water inlet channel, marking the center line of the dummy pump shaft, disassembling the fixture from the outlet flange of the water inlet channel, replacing the fixture with the actual pump, and completing the water pump installation. This installation method avoids inaccurate positioning due to welding deformation of the water inlet channel causing the center line of the water inlet channel to shift, which in turn leads to the shift of the pump shaft center line, thus improving the positioning and alignment accuracy.

This invention proposes an engineering-reinforced flame-retardant color-coated sheet, comprising: a first sheet and a second sheet. A first fastener and a second fastener are respectively provided at one end of the first sheet and the second sheet, and the first sheet and the second sheet are detachably connected via the first fastener and the second fastener. The first fastener includes two movable pins. A through hole is provided at one end of the first sheet along the width direction of the first sheet, and both movable pins are movably installed within the through hole, forming an adjustable interlocking area between the two movable pins. This invention features a novel design and simple operation. Through the setting of the first fastener and the second fastener, the pre-positioning protrusion in the second fastener ensures the accuracy of the connection end face between the first sheet and the second sheet during the connection process. Under this premise, the first fastener and the second fastener can be subsequently connected, resulting in a stable connection and accurate positioning.

The utility model relates to the connecting technical field of purline and truss, concretely is a kind of steel structure roof purline and the connecting structure of truss, including main body steel structure, the middle part of main body steel structure is embedded with two secondary purlines;A pair of installation groove is opened in the both sides of main body steel structure and with the size of secondary purline is matched;The inner wall of the both sides of secondary purline is equipped with the slide bar of one end and extends to the outside of secondary purline, the outer end of slide bar is fixed with abutment plate, the bottom end of a pair of abutment plate is inwardly inclined, the inside surface of main body steel structure is fixed with the installation plate of the abutment of abutment plate, and it is connected between both sides slide bar by elastic expansion piece. The whole connecting process is simple and fast, and the main body steel structure and secondary purline are more stable, and the main body steel structure and secondary purline are connected by internal inlaying, so that the stress requirement of purline connection can be guaranteed, and the connection between structure in indoor space visual range can be clean and neat.

This invention discloses a stepper motor frame assembly, including a frame structure, an upper electrode plate, and a middle electrode plate assembly. The upper electrode plate has an annular first electrode plate body and an integrally formed first electrode claw, which is bent from the first electrode plate body and extends axially. The middle electrode plate assembly includes a stacked second electrode plate body and a third electrode plate body, each having a second electrode claw and a third electrode claw arranged opposite to each other, both embedded in the inner wall of the rotor space. The frame structure includes a first frame, a second frame, and a third frame, which are injection molded together with the middle electrode plate assembly. The first frame and the second frame cooperate to form a first winding space and a first rotor cavity, and the second frame and the third frame cooperate to form a second winding space and a second rotor cavity. Each space and cavity has a common central axis. This invention solves the problems of complexity and difficult assembly of existing stepper motor frame assemblies, realizes the integrated design of the electrode plate and the frame, and improves the performance and reliability of the motor.

This utility model discloses a coal mine original rock grade detection device, belonging to the field of original rock grade detection technology. It includes an ultrasonic probe, with a first external threaded cylinder at the top of the probe. A first extension tube is threaded onto the first external threaded cylinder, and a second extension tube is provided at one end of the first extension tube. A connecting component is provided between the second extension tube and the first extension tube. This utility model, through the cooperation of the ultrasonic probe with the first external threaded cylinder and the first extension tube, facilitates adjustment of the extension length according to actual detection needs, improving the flexibility of the detection device's length adjustment. This enables the detection of original rock at different depths, ultimately solving the problem that the extension tube of existing coal mine original rock grade detection devices cannot adapt to slightly curved gaps. This improves the accuracy of detection, ease of operation, reliability of data transmission, service life of the device, and structural stability.

The utility model discloses a server hard disk quick dismouting positioning structure, it relates to server hard disk quick dismouting technical field, it aims at solving the process of the existing bracket in the installation, when installing the first hard disk, the hard disk connecting part and the collision of the connecting socket, there is the problem of deficiency in quick positioning installation, the practicability of whole needs to be improved, its technical scheme main points include server hard disk bracket, one end of server hard disk bracket is provided with support frame, the outer surface of support frame is provided with glue layer, the both ends position of support frame one side outer surface is fixedly connected with a first guide support and a second guide support respectively, the edge of support frame is provided with socket gap groove, one end of server hard disk bracket is provided with two guide gap groove. Reach the effect of quick positioning operation, guarantee the quick dismouting, and the hard disk connecting position will not collide with the connecting socket, and the practicability is strong.

The utility model discloses a stamping forming battery guard plate, include: mainboard, the side plate of setting in the both sides of mainboard and the bottom support of setting in the bottom of mainboard, the one side of mainboard is equipped with the reinforcing rib, and the one side of reinforcing rib is equipped with the stamping line, and the one side of reinforcing rib is equipped with a plurality of fixed holes, the top of mainboard is equipped with the roof, and the included angle department of mainboard bottom and bottom support all are equipped with the positioning slot, and the reinforcing rib of mainboard is integral forming structure with mainboard, and bottom support is integral forming structure with mainboard, and the one side of two side plates all are equipped with a plurality of mounting holes, the utility model discloses a kind of stamping forming battery guard plate, compared with traditional full CNC processing mode, production cost is significantly reduced by adopting stamping forming process, by optimizing processing flow, using stamping forming technology replaces part CNC processing step, not only reduce the use demand of high-end equipment, also reduce the dependence on professional personnel, to realize the effective control of production cost.

The utility model discloses a forestry operation warning device belongs to forestry equipment technical field, including the horizontal pole fixed clamp, is connected in one end of horizontal pole for fixing seedling, two unfolding side arms are connected respectively through universal shaft in the other end both sides of horizontal pole, is equipped with warning light on the unfolding side arm, infrared detection device sets up on horizontal pole, and the direction of fixed clamp direction carries out detection operation, the battery is arranged in the horizontal pole, and with infrared detection device, warning light etc. Electrical element electric connection, the battery is provided with the outgoing line. The device solves the problem of seedling warning deficiency, limited coverage, poor terrain adaptability, not firm, warning lag and multi-device power supply inconvenience etc. in the forestry operation.

The utility model discloses a kind of beam-column connecting structure of quick assembly of convenient assembly type building, including T-shaped beam, box column, clamping assembly, placing assembly and connecting assembly. Connecting assembly includes top plate, side plate and backing plate, the corresponding number is set according to gap, after passing through side plate and backing plate by bolt, and with box column screw connection, realize the fixed connection of interface component and the upper end of box column. Placing assembly includes bearing bottom plate, connecting block and placing groove, and the horseshoe part of T-shaped beam is placed for limiting in this placing groove;Clamping assembly is fixed in the top of connecting assembly, and it includes the clamping frame of cross structure, clamping groove respectively in the end of clamping frame, pass through clamping groove and the web of T-shaped beam in turn by bolt, to clamp and fix T-shaped beam. The beam-column connecting structure of the utility model, according to the construction needs, flexible adjustment structure, while making up construction error, realize accurate positioning and quick assembly to building beam column, and connection is firm, and stability is good.

This utility model discloses a handheld one-way hair extension device, including a hair extension base plate, a fixing plate, a pressure plate, and a clamping assembly. The front side wall of the hair extension base plate has a first slot that fits into the side wall of a C-shaped hair extension clip. The front end of the hair extension base plate also has a shaft hole, one end of which communicates with the first slot. The second slot of the clamping block of the clamping assembly can cooperate with the first slot to form a clamping hole for clamping the C-shaped hair extension clip. One end of a pull rod is fixedly connected to the clamping block, and the other end passes through the shaft hole. The lower rear end face of the fixing plate is fixed to the upper rear end face of the hair extension base plate. There is a gap between the front end of the fixing plate and the front end of the hair extension base plate, and a limiting hole is provided at the front end of the fixing plate. The rear end of the pressure plate is fixed to the rear end of the fixing plate. There is a gap between the front end of the fixing plate and the front end of the pressure plate, and a push plate is fixed to the front end of the fixing plate, corresponding to the limiting hole of the fixing plate. This hair extension device has the advantages of simple structure and easy maintenance, effectively reducing usage costs. It improves hair extension efficiency and ensures a natural and comfortable hair extension effect.

This utility model discloses an insect-proof device for flower cultivation, including a base with columns fixedly connected to the four corners of the top of the base. The stable frame structure formed by the columns fixedly connected to the four corners of the base provides support for the entire insect-proof device, ensuring its stability. The design of the snap-fit ​​slots and mounting slots makes the connection between components more precise and reliable, facilitating assembly and disassembly. The single-door and connecting slot design facilitates daily management of the flowers. The combination of the snap-fit ​​frame and the insect-proof netting, covering the mounting slot, the top of the snap-fit ​​slot, and the outside of the connecting slot, forms a closed insect-proof barrier, effectively preventing pests from entering and protecting the flowers from damage. The linkage structure of the fixed column, rotating block, rotating column, compression spring, and locking block enables quick installation and secure locking of the snap-fit ​​frame, and the operation is convenient during disassembly, improving the ease of maintenance.

The application belongs to the technical field of tunnel engineering detection, and discloses a tunnel displacement simulation device and a detection calibration method, which comprises multiple groups of tunnel simulation units, the multiple groups of tunnel simulation units are sequentially spliced, each group of tunnel simulation units comprises two groups of arches, a support steel frame and a plurality of groups of telescopic pipe piece assemblies; the two groups of arches are oppositely arranged, the support steel frame is in a semicircular arc support structure and is arranged between the two groups of arches; the plurality of groups of telescopic pipe piece assemblies are arranged on the support steel frame and are sequentially arranged along the arc surfaces of the two groups of arches, wherein the adjacent telescopic pipe piece assemblies are connected, and the plurality of groups of telescopic pipe piece assemblies can simultaneously expand and contract along the radial direction of the two groups of arches and are used for simulating the profile range between the maximum profile and the minimum profile of the tunnel. The application can realize the simulation of the dynamic continuous deformation of the tunnel, does not need manual comparison of the scale, reduces the error caused by manual operation and lays a structural foundation for high-precision calibration.

The utility model discloses a kind of not easy to leak liquid's critical medical department with drainage device, including placing frame, the inside of placing frame is placed with collector, the middle position of collector top is fixedly installed with connector, and the left and right ends of connector are fixedly installed with lug, the outside of connector is connected with fixed sleeve head and is equipped with fixed assembly, the rear end of placing frame is provided with mounting assembly, and the rear end side wall of placing frame is provided with guide assembly.The critical medical department with drainage device not easy to leak liquid, the precision of connection can be kept by the fixation of pipeline, and then also prevent loosening or falling caused by the movement of pipeline in patient's body, also avoid liquid leakage, to ensure continuous and effective drainage, then through guide groove can make the reasonable bending angle of pipeline at connection, avoid the blockage or fracture caused by bending, to keep pipeline smooth, without distortion.

This invention discloses a method and system for predicting the prognosis of myocardial function in sepsis based on imidazole propionate targeted intervention. The method includes: firstly, collecting baseline characteristic data of sepsis patients and dynamic response data after imidazole propionate targeted intervention, and simultaneously recording time parameters from sepsis diagnosis to intervention initiation. Then, transforming the data according to preset standardization rules to obtain metabolic characteristics, myocardial function comprehensive data, mitochondrial function comprehensive data, and intervention response parameters, filtering out abnormal data and retaining valid data. Subsequently, the standardized data are substituted into a multi-parameter nonlinear weighted model fusing exponential and logistic regression functions to simultaneously calculate myocardial function recovery assessment values ​​and adverse prognostic risk values. Finally, based on the assessment results, prognostic grade intervals are defined, and differentiated intervention plans are formulated to complete the closed-loop treatment optimization of "prediction-intervention-dynamic reassessment." This improves the targeting and effectiveness of clinical diagnosis and treatment.

The application provides a luggage rack and a vehicle, and aims at at least solving the problem of difficult assembly of the luggage rack. The luggage rack is installed on a roof of the vehicle. The luggage rack comprises a main body, a decoration and a light-emitting part. The main body is buckled with the decoration to form an installation cavity with a ring-shaped peripheral wall. The light-emitting part is arranged in the installation cavity. During installation, the light-emitting part is arranged in the installation cavity, and then the decoration is buckled with the main body, so that the installation is completed. The installation difficulty is reduced, the assembly speed is improved, and the production efficiency is improved.

The utility model discloses a modularization is used for battery cooling's joint, and this joint is constituted by male head, female head and replaceable external joint, realizes modularization design, reduces maintenance cost, and external joint is connected with female head thread, guarantees sealing performance. The cooperation of the locking assembly and the plug assembly, the former contains L-shaped clamping head, pivot etc, realizes male head flexible clamping separation, the latter automatically controls the cavity on-off when male head is plugged, avoids medium leakage. The adjustable limiting column is equipped in the handle part of the clamping head, improves the connection stability and adaptability, and the ring groove and sealing ring of female head inner side wall constitute sealing assembly, enhance sealing effect. In addition, the pull ring design of handle part, convenient male head pulls out, reduces the operation difficulty, and the reliability and maintenance efficiency of battery cooling system are improved as a whole.

The embodiment of the present application relates to the technical field of over-the-air download, and discloses a vehicle OTA upgrade task pre-download method and device and a vehicle, which comprises the following steps: the vehicle receives upgrade task information and corresponding task state information; for a pre-release state, the vehicle acquires upgrade package version information carried in the upgrade task information, compares the upgrade package version information with ECU current version information cached locally, and if there is a version difference and the vehicle meets a download trigger condition, starts an upgrade package download process; for a release state, the vehicle detects a download state of an upgrade package corresponding to the OTA upgrade task information in the local cache, if the download state of the upgrade package is that all data of the upgrade package has been downloaded and passed verification, enters a waiting installation state; if the download state of the upgrade package is that part of the data has been downloaded, resumes the download process of the upgrade package; and if the data of the upgrade package has not been downloaded, starts the download process of the upgrade package. The present application improves the success rate of download.

The utility model discloses a kind of backfilling material production systems based on sodium sulfate desulfurization by-product, comprising: cladding bearing shell, small reaction kettle, discharge pipeline and desulfurization product conveying pipeline;The utility model relates to backfilling material production technical field, and the production system is through solid-liquid mixed continuous screening structure, and the sodium sulfate desulfurization by-product solution of preliminary reaction is implemented continuous oscillation filtration, realize the efficient separation of solid phase impurity and liquid phase;Subsequently utilize filtrate catalytic spraying structure and uniformly spray gelling agent in refined solution, promote reagent rapid fusion by atomization mixing technology;Mixed liquid is finally transported to closed storage tank or reaction pool and deposited and depth reaction with standing, the system integrates traditional dispersed filtration, dosing, curing process into continuous production line, both avoid material transfer loss, and ensure each link accurate link by process parameter intelligent matching.

According to the door and window gear transmission lock box for rapid installation, a side-screwing screw hole is formed in the side surface of at least one side of the transmission lock box and is matched with a mounting hole and a side-screwing screw in a lock box outer wrapping assembly, and rapid installation and fixation between a door and window profile and the transmission lock box are achieved. According to the design, the installation steps are simplified, the installation efficiency is improved, the stability and reliability of the lock box structure are effectively enhanced, screws can be prevented from being directly exposed on the surface, damage to the appearance of the lock box is avoided, and the overall attractiveness is improved. In addition, due to the matching mode of the side-screwing screw hole and the side-screwing screw, the lock box can be finely adjusted according to actual requirements in the installation process, and accurate positioning and stable operation of doors and windows are guaranteed. And meanwhile, the lock box cover plate body is tightly connected with the transmission lock box, and the wrapping function of the lock box outer wrapping assembly is achieved, so that the overall protection performance of the lock box is further improved, and the service life is prolonged.

The utility model discloses a portable handheld fetal heart instrument, including main part, detector, be equipped with protective housing on the main part, be equipped with data line in the protective housing, one end of data line is equipped with data joint, be equipped with interface on the detector, the protective housing is located on the lateral wall of main part, data line is located on the lateral wall of main part bottom, data joint is located one end of data line, the interface is located the bottom of detector, the utility model discloses structure design is reasonable, through setting up the protective housing protection data line, utilize the rotary part, base and volute spring and realize data line automatic storage, avoid winding damage, the storage seat and the clamping seat on the main part are convenient for detector and data joint storage, prevent losing and the collision, the layout of display, switch and loudspeaker is reasonable, is convenient for operation and obtains monitoring information, and the whole has promoted use convenience, stability and reliability.

The utility model relates to food vacuum freeze drying technical field, specifically provide a kind of to freeze-dried material tray automatic taking tray, unloading device, including trolley rotating mechanism, two-axis taking tray mechanism, drum conveying mechanism and turnover unloading mechanism.The utility model is the intelligent automation production line of three stations of unloading tray, unloading, turnover tray, and its accurate logic control system maximizes the production efficiency, avoids line empty car waiting, and the unloading tray, unloading work originally by 6 people operation is reduced to 2 people operation, single car unloading time is reduced from 25 minutes to 13 minutes, greatly improves production efficiency.

This utility model discloses a car rear spoiler control assembly, a car rear spoiler, and a car, including a main housing, a motor, a circuit board, a socket head cap, and pin headers. The main housing includes a base and a cover plate. The base has a receiving groove so that the motor can move vertically to be installed in the receiving groove. The motor has a motor housing, and multiple connecting posts are provided on one end face of the motor housing. Each connecting post is fixedly connected to the circuit board. The socket head cap is mounted on the circuit board. The pin header includes an insulating base and multiple metal pins. Each metal pin is integrally formed with the insulating base, and the insulating base is integrally formed with the base. Each metal pin has a vertical section, and the vertical section of each metal pin is inserted into the socket head cap. With this utility model, the motor is installed in the receiving groove, and the vertical section of the metal pins can also be inserted into the socket head cap, allowing the installation of the motor and the electrical connection of the pin header wiring to be performed simultaneously, thereby improving assembly efficiency.

The utility model discloses a kind of furnace door opening and closing device and reaction furnace, it is related to the technical field of semiconductor equipment.The furnace door opening and closing device includes support plate, fixed support, connecting rod assembly, support arm and driving part, support plate is connected with furnace tube and has avoidance mouth, avoidance mouth is configured as exposing furnace mouth.Fixed support is set at the side of support plate away from furnace tube;The first end of support arm is connected with furnace door, the second end is rotatably connected with fixed support, and first rotation pair around first axis is formed.Connecting rod assembly includes at least two rotatably connected connecting rods, the first end of connecting rod assembly is rotatably connected with the second end of support arm, and second rotation pair around second axis is formed.The second end of connecting rod assembly is rotatably connected with fixed support, and third rotation pair around third axis is formed.Driving part drives the second end of connecting rod assembly to rotate, so that connecting rod assembly drives support arm to swing, to utilize furnace door to open and close avoidance mouth, improve the docking precision of furnace door to furnace mouth.

The utility model relates to a kind of novel edible essential oil perfusion mechanism, belong to edible essential oil perfusion mechanism technical field, including rack, oil gun and oil pump, the rack inside is provided with the positioning mechanism for avoiding container to pour;The positioning mechanism includes fixedly connected in the fixed plate of the back of rack, the front surface fixedly connected of the fixed plate has mounting plate, the inboard fixed mounting of the mounting plate has locating sleeve, the inner bottom wall of the rack is fixedly connected with machine case, the top of the movable block is fixedly connected with support frame, the outer side fixedly connected of support frame has locating plate.The novel edible essential oil perfusion mechanism, by setting positioning mechanism, staff can insert container into locating sleeve, to facilitate accurate receiving oil, the outside of container is clamped and fixed, to fix and limit container, avoid dumping after container is filled, due to its own weight, to effectively reduce the probability of oil spill.

The utility model provides a kind of adjusting device and test head, including platform, test head cabinet, hinge assembly, adjusting device, the adjusting device is rotatably installed on platform by hinge assembly, the adjusting device is detachably connected with test head cabinet to drive the turnover and position adjustment of test head cabinet;By the rotation of hinge assembly, so that adjusting device and test head cabinet whole rotation, realize the closed state and the open state between lid and platform, and by adjusting device, the position fine adjustment of test head cabinet in horizontal direction and vertical direction can be realized, so that the probe on test head cabinet can be accurately connected with probe card on platform.

This invention discloses a dynamic source tracing and control method and system for ozone pollution, relating to the field of air pollution prevention and control technology. It includes: utilizing the characteristics of primary VOC emissions and source structure features reflected in precursor emission source inventories, along with the ability of receptor models to identify VOC sources in the atmospheric environment, to perform source analysis of atmospheric VOCs and identification of key components of emission sources by coupling precursor emission and receptor models. It couples the emission structure of precursors such as NOx and CO reflected in emission source inventories with VOC sources identified based on precursor emission-receptor models, and simulates atmospheric photochemical reaction processes based on observation models to quantitatively analyze the impact and contribution of key emission sources to O3 formation. Combining the high spatiotemporal accuracy of emission source inventories, and based on the identified O3 precursor emission sources and real-time meteorological information, it constructs a dynamic source tracing technology for O3 pollution, formulates a refined prevention and control plan for atmospheric O3 pollution, and achieves refined prevention and control of atmospheric O3 pollution.

The utility model discloses a kind of ceramic tile wrapping equipment, ceramic tile wrapping equipment includes the conveying device of installation in rack, beat in line device, insert corner guard device, suck brick transfer device, paper placing device and edge folding device;Conveying device is sequentially arranged beat in line station, insert corner guard station, paper placing station and edge folding station from back to front;Beat in line device is beat in line to brick stack;Insert corner guard device is inserted to brick stack with corner guard;Paper placing device places side edge paper and end paper to paper placing station;Edge folding device is folded to the wrapping paper skin group of brick stack Package;Suck brick transfer device is transferred to paper placing station with the brick stack of completing corner guard insertion.The process sequence of split type paper skin laying and first paper skin laying, with corner guard, after laying paper skin, adopt the packaging mode of side edge paper and end paper combination, cooperate with special transfer device to realize accurate link between stations, avoid the material waste caused by whole paper skin in traditional process, eliminate the interference problem of paper skin and corner guard installation simultaneously.

The application discloses a live working under parallel groove clamp electric installation device and a wire connecting method, which comprises a clamp body and an insulating rod, the top of the insulating rod is detachably connected with a clamping mechanism, an assembly groove for placing the clamp body is formed in one side of the clamping mechanism, a wire pre-clamping mechanism is connected to the other side of the clamping mechanism, and a clamp locking mechanism is connected to the bottom of the assembly groove. The clamping mechanism, the wire pre-clamping mechanism and the clamp locking mechanism are arranged, electric driving and mechanical design are adopted, the wire is quickly and accurately connected, the efficiency and safety of wire connection in live working are improved, the labor intensity of operators is reduced, and a powerful guarantee is provided for stable operation of a power system.