12results about How to "Modular structure" patented technology

The invention relates to a steel bar embedded part and a construction method thereof.The steel bar embedded part comprises a fixing shell used for sleeving and fixedly connecting a steel bar, an embedded shell used for sleeving and fixing the fixing shell and a plugging head used for penetrating a formwork and connected with the embedded shell, the fixing shell comprises a fixing pipe body, and a plurality of rows of fixing clamping heads are arranged on the outer wall of the fixing pipe body in a circle; each row of fixing chucks comprises a plurality of fixing chucks arranged in the length direction of the fixing pipe body, external anti-loose teeth are arranged on the side walls of the fixing chucks, the pre-embedded shell comprises a pre-embedded pipe body, one end of the pre-embedded pipe body is closed, the other end of the pre-embedded pipe body is open, and internal limiting chucks used for being clamped and locked with the fixing chucks are arranged on the inner wall of the pre-embedded pipe body; the internal limiting clamping head and the fixed clamping head are arranged in a staggered mode, and internal anti-loosening teeth used for being meshed with the external anti-loosening teeth are arranged on the side wall of the internal limiting clamping head. The problems that main structure steel bars and concrete appearance are damaged during steel bar planting, constructional column steel bars deviate, and the steel bar planting drawing strength does not meet the requirement are effectively solved.

The invention discloses an anti-islanding driving circuit suitable for a distributed photovoltaic grid-connected circuit breaker. The anti-islanding driving circuit comprises a DC-DC power supply circuit, a super-capacitor charging control circuit, a super-capacitor boost discharging circuit, a motor driving circuit, a motor charging linkage circuit and a motor current-limiting protection circuit. The DC-DC power supply circuit converts 12V input voltage into motor target voltage, the super capacitor charging control circuit adopts double NPN triodes and diodes to prevent reverse breakdown, and charging is stopped when the motor is started. The super capacitor boost discharge circuit supplies power to the motor when the main power supply is powered off. The motor driving circuit controls operation of a motor through logic level signals, a sampling resistor monitors input current, and the linkage circuit adopts AND gate logic peak shifting power utilization. And the current-limiting protection circuit realizes overcurrent protection through the current induction amplifier and the control triode. According to the invention, the photovoltaic grid-connected connection can be automatically disconnected, the islanding effect is prevented, and the reliability and the stability are high.

The invention discloses a multi-sensor information fusion fault diagnosis system and method for a rolling bearing, and the method comprises the steps: continuously collecting sensor signals of M sensors at the same time, and carrying out the division according to a time period, thereby obtaining (I + J) samples, dividing the multi-sensor information fusion network into a training set # imgabs0 # and a verification set # imgabs1 # to construct a multi-sensor information fusion network structure search space SA = SO * SP and a multi-sensor information fusion network structure parameter alpha A = {alpha O, alpha P} for controlling the multi-sensor information fusion network structure search space SA, simultaneously updating a multi-sensor information fusion network structure parameter alpha A = {alpha O, alpha P} and a weight parameter w of the obtained neural network structure search space SA by adopting a training set # imgabs2 # and a verification set # imgabs3 #, and simultaneously searching a feature extraction unit and a fusion starting layer to obtain an optimal multi-sensor fusion network structure SA *, the calculation amount in the network search process is reduced, the efficiency is greatly improved, and the problem that the design of a current rolling bearing multi-sensor information fusion fault diagnosis method depends on artificial experience and the process is tedious due to a large number of experiment trials and errors is solved.

The wiring device comprises a box body, the box body is provided with a cooling assembly, the cooling assembly comprises a cabinet door, a handle, a suction cup supporting foot, a fixing block, a guide strip, an ash storage box and a pull ring, the cabinet door is rotatably installed on one side of the box body, the handle is arranged on the cabinet door, and the suction cup supporting foot is arranged on the handle. The suction cup supporting feet are fixedly arranged at the four corners of the top of the box body, the fixing block is arranged at the top of the box body, the guide strip is installed on the fixing block, the dust storage box is installed on the guide strip in a sliding mode, the pull ring is installed at the top of the dust storage box, and a wire winding assembly is arranged in the box body and comprises a shell, a motor and a rotating disc. The shell is fixedly installed in the box body, the motor is fixedly installed in the shell, the rotating discs are fixedly installed at the output end of the motor, and the number of the rotating discs is two, so that the technical problem that an existing wiring device mentioned in the background technology is lack of dust absorption treatment is solved.

The application discloses a layered sampling monitoring device and method for freeze-thaw cycle test, which comprises a freeze-thaw cycle box, a layered soil sample culture unit, an in-situ monitoring unit and a non-destructive sampling unit. The application provides a layered sampling monitoring device and test method for freeze-thaw cycle test, which has a reasonable structure design and is convenient to operate. The device can realize non-destructive or slightly destructive extraction of target soil samples after different freeze-thaw cycles without damaging the continuity of the whole test, and can realize real-time monitoring of the moisture content and temperature changes of the soil samples in the freezing and thawing process, thereby providing accurate and continuous test data for in-depth study of the evolution law of the freeze-thaw cycle on the soil properties. The device and method of the application significantly improve the continuity and accuracy of the data, and provide a powerful tool for revealing the effect of freeze-thaw on the soil erosion mechanism.

The utility model discloses a kind of hoe type film mulching hole drill, comprising: tractor and hole opening and seeding assembly, tractor is provided with power output shaft, hole opening and seeding assembly includes: assembly installation frame, one side is provided with the transmission gear box being connected with power output shaft, transmission gear box is detachably connected with tractor by universal shaft;Film mulching device, set in the front lower part of assembly installation frame;Multiple hole opening and seeding mechanism, transverse arrangement is set in the middle part of general frame body, and hole opening and seeding mechanism includes the transmission shaft being connected with the output end of transmission gear box and seed guiding interface;Multiple seed bin device, lower end is provided with the discharge port being communicated with seed guiding interface, and seed bin device is used to regularly, quantitatively to hole opening and seeding mechanism inside seed is put in.The utility model realizes film mulching, film pressing, hole opening, precision seeding integrated continuous operation.

The utility model provides a device is cut open to tofu strip, include: support, the inboard of both ends of support is fixed with linear guide respectively Installation has the sliding block of linear guide inboard sliding installation, install the blade module support between left and right two sliding blocks, support top fixed installation has double stroke pneumatic cylinder, double stroke pneumatic cylinder drives blade module support up and down movement, the blade module support includes: guide shaft, connecting shaft, first connecting rod, blade module and second connecting rod, install the blade module on the front and back two guide shafts through a plurality of connecting shafts, first connecting rod and second connecting rod, the blade module includes: first blade unit module and second blade unit module. This kind of device is cut open to tofu strip, can play to tofu strip automatic cutting, then equidistantly open, by the belt of being placed below and take the tofu piece of opening to the next station.

The invention discloses a high-precision microfluidic liquid control device and a precise control method thereof. The invention relates to the technical field of microfluidics. The microfluidics comprises a box body, a controller, a mounting and placing assembly, a control adjusting assembly and a storage control assembly, the mounting and placing assembly fixes a guide pipe through a vertical plate and an open groove; the control adjusting assembly drives a pressing plate to extrude the guide pipe through a motor and a belt, and precise flow control is achieved. The storage control assembly integrates the storage box and the pipeline, and leakage pollution is avoided; and the controller intelligently links all the components. The problems that an existing device is low in control precision, prone to leakage and tedious in operation are solved, high-precision and intelligent control over micro liquid is achieved, and the experiment efficiency and accuracy are improved.

This utility model relates to the field of linear light technology and discloses a waterproof linear light that does not require adhesive. It includes a linear light housing and a cable assembly. The cable assembly is fixedly connected inside the linear light housing and includes a power supply, a relay, a PLC control component, and a cable connector. A protective cover is fixedly connected to the outer surface of the linear light housing. Two grooves are formed inside the linear light housing, each containing a sealing groove. There are four sealing grooves: one near the inside of the linear light housing and three near the outer surface. A transparent light cover is attached to the outer surface of the grooves using a flexible snap-fit ​​mechanism. Two barbed blocks are integrally formed on the outer surface of the transparent light cover. These barbed blocks are interference-fitted with the sealing grooves and hidden within the grooves. This interference-fit sealing structure is unaffected by the outdoor environment. The barbs of the barbed blocks face outwards to prevent external water from entering the interior, ensuring durable and reliable waterproof performance, extending the lifespan of the linear light, and reducing maintenance costs.

The utility model discloses a kind of pressure-sensitive adhesive pasting jigs, including clamping mould component, insert component, bearing assembly, guide component and compression driving assembly;Clamping mould component includes panel, front mould, back mould and bottom plate, wherein front mould and back mould constitute internal cavity after moulding, each functional component is assembled therein;Insert component is set up up and down, its bonding surface adapts MIM piece profile and is equipped with exhaust groove;Bearing assembly is equipped with multiple bearing stations, each station is equipped with positioning groove, can support batch pasting;Guide component ensures moulding accuracy;Compression driving assembly is driven by air cylinder to eject piece, and lower insert is driven to realize uniform compression, and it is equipped with elastic buffer piece shock absorption;The jig can effectively eliminate bubble, prevent pressure-sensitive adhesive from deviating in compression process, can greatly improve pressure-sensitive adhesive pasting accuracy and efficiency, suitable for automated production.

This invention belongs to the field of wireless power transmission and civilian underwater equipment technology. Specifically, it is a portable autonomous underwater vehicle (AUV) wireless charging system using a grid-shaped three-dimensional orthogonal coil to achieve anti-rotational deviation. The system includes a primary-side grid-shaped coil array, an LCC-S topology circuit, a rectifier and filter module, rectangular coils, a planar coil array, limiting holes, and grooves. The receiving coil is integrated into the AUV's tail fin. Compared with existing technologies, this invention eliminates the need for complex control strategies and additional converters: it exhibits outstanding constant voltage output characteristics under a wide range of load variations; simultaneously, relying on the stable performance indicators of the LCC-S topology, it can flexibly adapt to different AUV docking positions, and its performance indicators remain stable within a deflection range of 0° to 20°. It directly eliminates the need for precise AUV alignment, providing a simple and highly reliable anti-rotational deviation solution for its wireless charging system.

The invention discloses a heat insulation performance testing device of a heat insulation sleeve for frozen soil layer well drilling. The heat insulation performance testing device comprises a supporting module, a simulation box, a hot fluid module and a temperature measuring module. The supporting module is suitable for supporting the thermal sleeve; the simulation box is suitable for being filled with simulated frozen soil, and the thermal sleeve is embedded in the simulated frozen soil; the hot fluid module is suitable for circularly introducing hot fluid into the heat insulation sleeve; the temperature measuring module comprises a fixed frame and a plurality of movable parts; the fixed frame is arranged in the simulation box, and the multiple movable parts are movably arranged on the fixed frame and arranged around the periphery of the heat insulation sleeve at intervals; the movable part is provided with a contact head suitable for making contact with the heat insulation sleeve, and the movable part moves relative to the fixed frame so as to adjust the radial position of the contact head. Wherein a plurality of temperature detection pieces are arranged on the movable piece to detect the temperature of the simulated frozen soil around the heat insulation sleeve. The heat insulation performance of the heat insulation sleeve can be scientifically quantified, and the problems that an existing testing device is not real in simulation, poor in adaptability, inaccurate in data and the like are effectively solved.