25results about How to "Avoid compression" patented technology

The utility model relates to electric power pipe technical field especially a kind of recycled material CPVC electric power pipe, including first straight pipe and round block, the inner wall front of first straight pipe is fixedly connected with the outer wall of round block, the outer wall of round block is processed with multiple through ports, the upper end surface of first straight pipe is connected with protective structure, the outer wall rear of protective structure is connected with sheath, through the front and rear movement of second straight pipe in protective structure, it will be the front and rear sliding of sleeve plate in the outer wall of curved plate, curved plate and sleeve plate will change with the length change of telescopic pipe, while curved plate cooperates sleeve plate will shield the top of telescopic pipe, prevent soil directly to hold telescopic pipe, prevent the fracture of electric power pipe and telescopic end connecting place, avoid the soil in the inside of electric power pipe.

The invention discloses a wide-angle optical lens, which comprises a cambered lens main body, the front view of the lens main body is of a trapezoidal structure with a wide upper part and a narrow lower part, the transverse camber of the lens main body is continuously and gradually changed along the vertical direction and is distributed in a gradient decreasing manner from bottom to top, and meanwhile, the lens main body is in a state of gradually inclining outwards from bottom to top. According to the wide-angle optical lens, through the unique trapezoidal structure and the transverse camber gradient design, the problem that the view field of a traditional lens is narrow and limited is effectively solved, the wide-angle optical lens has the advantages that an inclination compensation mechanism is matched with high-nose-bridge crowds, and the like, and has remarkable advantages in the aspects of improving visual experience, guaranteeing safety and the like; the method has important application value in the technical field of optical lenses.

A large language model quantization method based on channel arrangement and activation adaptive smoothing belongs to the technical field of large language model compression and efficient inference. In order to solve the problem that the existing post-training quantization method is difficult to simultaneously consider the difference of different channel activation outliers, the group mode quantization has large dynamic range in the group, and the low bit weight and high bit activation alignment efficiency is low, which leads to the problem of precision decline and inference efficiency limitation, the scheme calibrates the maximum activation amplitude of the input channel by statistical data, divides the significant and non significant activation outlier channels according to the percentile threshold, and respectively uses the logarithmic domain and power function domain smoothing strategy to generate channel smoothing scaling factor, and fuses it into the model parameter to extract the weight multidimensional feature to construct the channel quantization sensitivity index and execute the input channel rearrangement, and further generate the joint quantization scaling factor to realize the integer domain alignment inference. It is suitable for low bit compression deployment and efficient inference scene of large language model in resource limited environment.

The utility model discloses a kind of processing boxes, including the photosensitive unit with waste powder discharge passage and the carbon powder container with waste powder storage part, waste powder storage part has waste powder inlet, waste powder in photosensitive unit can be into waste powder storage part via waste powder discharge passage and waste powder inlet;Waste powder discharge part, it is set to reciprocatingly move in waste powder discharge passage, and then waste powder is discharged from waste powder discharge passage to the waste powder inlet of waste powder storage part;Compared with prior art, the utility model uses the waste powder discharge part that can reciprocate, transmission is carried out by intermittent pushing developer, avoid persistent friction and compression developer, to avoid the situation that developer appears local accumulation or caking, to realize the continuous stable output of developer.

The utility model relates to the technical field of battery cover plates, and discloses a lower plastic part and pole installation ventilation structure and a battery cover plate, the lower plastic part and pole installation ventilation structure comprises a top cover sheet, a lower plastic part and a pole, the pole penetrates through the lower plastic part and the top cover sheet, a connecting sheet is formed at the bottom of the pole, a surrounding area is formed at the bottom of the lower plastic part, and the top cover sheet is provided with a through hole. The connecting piece is embedded in the enclosure area, and a ventilation notch is formed in the periphery of the enclosure area and communicates with the enclosure area; according to the ventilation structure for installing the lower plastic part and the pole, in the process of installing the pole, the pole penetrates through the lower plastic part and the top cover piece, the connecting piece is embedded into the enclosed area, and in the process of embedding the connecting piece into the enclosed area, air in the enclosed area can be exhausted through the ventilation notch, so that the ventilation effect is improved. And air in the enclosed area is prevented from being compressed to form larger pressure, so that the pole column is convenient to install.

The utility model provides a kind of civil aircraft suitcase hinge, comprising: rocker arm and base, rocker arm below is provided with mounting hole and camshaft, base below is rotatably installed with threaded adjusting shaft, another end of threaded adjusting shaft is rotatably installed in the middle of camshaft, the middle part of base is fixedly installed by rocker arm pivot through mounting hole, rocker arm forms four-bar linkage by camshaft and connecting rod, limiting block is integrated in base, set the minimum opening angle of case door.The hinge system of the utility model is through the innovative "axial compression+radial decoupling" design concept, combined with modular adjustable structure, while ensuring high reliability, realizes the accurate control of case door movement and the convenience of installation and maintenance, breaks through the technical bottleneck that aviation level hinge high reliability and small size are difficult to be compatible, has been successfully applied to multiple civil aircraft luggage compartment system, and has the technical versatility of extending to spacecraft hatch mechanism.

The utility model relates to the technical field of arc extinguish chambers, and discloses a vacuum arc extinguish chamber anti-overstretching type aging detection tool, which comprises a support cylinder, a support plate, a connector, an insertion sheet and a limit pin, the support cylinder is in threaded connection with the connector, the support plate is arranged between the connector and the support cylinder, and the insertion sheet is inserted into the support cylinder after the connector is connected with a movable conducting rod. The supporting plate can be synchronously lifted by lifting the connector, at the moment, the insertion piece inserted between the supporting cylinder and the supporting plate and the limiting pins arranged on the two sides of the supporting cylinder act together, the lifting height of the connector is accurately controlled, the connector is effectively prevented from excessively compressing the corrugated pipe, the service life of the corrugated pipe is remarkably prolonged, and the maintenance cost is reduced. According to the utility model, the accuracy and repeatability of detection are improved, the operation process is simplified, the operation difficulty is reduced, the safety performance and adaptability of equipment are enhanced, and the aging detection device is suitable for aging detection of various vacuum arc-extinguishing chambers, and has important significance for improving the overall quality of the vacuum arc-extinguishing chambers and prolonging the service life of the vacuum arc-extinguishing chambers.

The invention relates to the technical field of power distribution boxes, in particular to a power distribution box based on multiple trigger type circuit protection and a control method thereof.The power distribution box comprises a box body, a master control switch and a circuit breaking unit, and a shifting rod is arranged on the master control switch; the box body is provided with an indicating lamp. The circuit breaking unit comprises a stirring frame, a bidirectional motor, a straight gear, a transmission assembly, a clutch assembly and a crank. The stirring frame is movably arranged in the box body in the vertical direction, and a plurality of meshing teeth are vertically and uniformly arranged on the side wall of the stirring frame; the bidirectional motor is horizontally arranged on one side of the shifting frame; the straight gear is fixedly arranged at the output end of the bidirectional motor and is meshed with the meshing teeth of the shifting frame; the transmission assembly is arranged on the straight gear, and the transmission assembly and the straight gear are in two-way transmission; the clutch assembly is arranged on the transmission assembly; the crank is arranged on the clutch assembly. According to the invention, automatic power-off and manual power-off are combined, the occupied space of the distribution box is reduced, and the operation safety of workers is ensured.

The invention discloses a spacing-adjustable fertilizing device, relates to the technical field of fertilizing equipment, and provides the following technical scheme that the spacing-adjustable fertilizing device comprises a machine body, a connecting seat is mounted on one side of the machine body, hydraulic rods are mounted on the two sides of the connecting seat, and the other ends of the hydraulic rods are rotationally connected with adjusting sliding rails; a plurality of shells are installed on the adjusting sliding rail in a sliding mode, adjusting racks are symmetrically installed in the shells in a sliding mode, a driving gear is rotatably installed between the adjusting racks, fertilizer applying pipes are installed on the adjusting racks, fertilizer applying amount adjusting assemblies are arranged on the fertilizer applying pipes, and a material uniformizing assembly is arranged above the adjusting sliding rail. By adjusting the distance between the shells and moving the adjusting racks in the same group, the fertilizing pipes can adapt to different planting intervals, the fertilizing amount adjusting assembly controls the fertilizing amount through the hardness of soil on the two sides of plants during moving, and fertilizer is not accumulated through the material uniformizing assembly.

This application belongs to the field of artificial intelligence and healthcare technology, specifically disclosing a multi-memory large model enhancement method and system based on adaptive resonance theory. The method includes: obtaining memory units from the plot memory module based on a new medical dialogue event; processing the new medical dialogue event through a large model based on multi-source memory; multi-source memory is constructed based on information stored in memory units, working memory modules, and semantic memory modules; the plot memory module is used to: determine candidate plot prototypes by analyzing attribute similarity; determine whether there is resonance between the new medical dialogue event and the candidate plot prototype; if there is resonance, use historical dialogue events in the event set of the resonant plot prototype as memory units and update the resonant plot prototype; if there is no resonance, create a new plot prototype. This application enables effective memory management and improves the stability and accuracy of large model reasoning in medical dialogue scenarios.

This invention discloses a three-stage displacement-related friction energy dissipation device and method, comprising a nested layer consisting of an integrally formed U-shaped outer layer and an I-shaped inner layer, with long friction blocks and U-shaped concave surfaces respectively on the U-shaped outer layer and the I-shaped inner layer; it also includes an intercalation layer with short friction blocks and arc-shaped protrusions corresponding to the long friction blocks and U-shaped concave surfaces. The two arms of the intercalation layer are inserted into the gap between the long friction blocks and U-shaped concave surfaces of the U-shaped outer layer and the I-shaped inner layer of the nested layer, and slide relative to the nested layer to achieve the first level of limiting; a second level of limiting is achieved by a screw sequentially penetrating the nested U-shaped outer layer, the intercalation layer, and the I-shaped inner layer. This invention achieves three-stage variable stiffness friction adaptive energy dissipation by providing constant friction force during the small displacement stage, exponentially increasing friction force during the medium displacement stage, and mechanically limiting and locking during the large displacement stage, which can better adapt to the differentiated requirements of structures for damping force and stiffness under earthquakes of different intensities.

The application provides a vehicle-mounted ultrasonic sensor, comprising: a shell provided with a containing cavity; a probe core assembly with one end extending into the containing cavity; a front cover comprising a first connecting section and a second connecting section connected with each other, the first connecting section being sleeved on the shell, and the second connecting section being located at an opening of the containing cavity and extending to between the probe core assembly and the shell; and a sealing ring arranged in the containing cavity and surrounding the probe core assembly, an outer side wall of the sealing ring abutting against an inner wall of the shell, and an inner side wall of the sealing ring abutting against the probe core assembly; wherein one end of the sealing ring towards the opening is provided with a barrel and an annular groove arranged around the probe core assembly respectively, the annular groove being located at an inner side of the barrel and adjacent to the barrel, the sealing ring abutting against the second connecting section through the barrel, and a compression amount of the barrel being 0.05mm-0.2mm. The vehicle-mounted ultrasonic sensor provided by the application can reduce interference signals after assembly, reduce false alarms of vehicles, and ensure the judgment of parking distance.

The utility model discloses a tool for compressing and welding stator and rotor punching sheets, which comprises a base, a die core and a buffer device, the die core is arranged on the base, the buffer device comprises a first lower pressing plate, a second lower pressing plate and a spring, the first lower pressing plate is positioned below the second lower pressing plate, the first lower pressing plate is sleeved on the outer side of the die core, the second lower pressing plate is positioned above the die core, and the spring is arranged on the die core. The inner diameter of the second lower pressing plate is smaller than the outer diameter of the mold core, and the spring is located between the first lower pressing plate and the second lower pressing plate. When an external force punches downwards, the second lower pressing plate acts downwards on the spring, and then the acting force is conducted to the first lower pressing plate through the spring, so that the stator or rotor punching sheet is pressed downwards; by arranging the springs, downward punching force can be buffered, the situation that acting force acting on the stator punching sheet or the rotor punching sheet is too large is avoided, the stator punching sheet or the rotor punching sheet is effectively prevented from being excessively pressed, the stator punching sheet or the rotor punching sheet is protected, and therefore the quality of the stator obtained through final welding can be improved.

The utility model relates to a kind of integrated rubberizing tool, comprising: rubberizing frame, including workbench, guide frame body;Gluing assembly, glue on target object on jig;Rubberizing assembly, it is set on guide frame body, for the target object after being glued by gluing assembly adheres adhesive tape;Compression assembly, including mounting component, connecting frame, and the compression wheel that is rotatably connected with connecting frame and the limiting piece installed on mounting component, compression assembly is configured, exert force to mounting component to drive compression wheel to move up and down to have limit state and free state, when force is greater than preset pressure, compression assembly is in free state, and compression wheel is separated from limiting piece;When force is less than preset pressure, compression assembly is in limit state, and limiting piece limits compression wheel, by integrating the rubberizing frame, gluing assembly and rubberizing assembly and compression assembly design, reduce the number of handling and positioning, to reduce cumulative positioning error value, also can improve production efficiency.

The invention relates to the field of wastewater treatment, in particular to a powder metallurgy wastewater discharge device which can achieve automatic extrusion and filtration of wastewater, guarantee the separation effect, automatically clean the interior of the device and avoid impurity adsorption and comprises a discharge box, an extrusion assembly, a compression and filtration assembly, a collection assembly and a cleaning assembly. The extrusion assemblies are slidably connected to the interior of the discharging box, and the compression filtering assembly is located between the extrusion assemblies. The two extrusion filter plates extrude and filter wastewater, the phenomena of slowness and blockage caused by static filtration are avoided, solid-liquid separation is achieved, meanwhile, after extrusion of the two extrusion filter plates, liquid can be discharged, solids are fed into the collection box, cleaning is convenient, during extrusion, the device is synchronously cleaned, waste is compressed, and the waste is recycled. The waste water is prevented from remaining in the device, and by achieving multiple cleaning functions, it is guaranteed that the discharged waste water is clean, and the phenomenon that impurities affect discharging is avoided.

The utility model discloses an automatic demolding structure for medicine tabletting. The automatic demolding structure comprises a base, a plurality of pressing grooves are evenly formed in the top face of the base, lower mold plates are arranged in the pressing grooves in a sliding mode, a movable plate is arranged in the base, a plurality of springs are evenly and fixedly connected to the top face of the movable plate, and the top ends of the springs are fixedly connected with the bottom faces of the corresponding lower mold plates. A fixing frame is fixedly connected to the side wall of the base, a pressing plate is slidably arranged on the top of the side, close to the base, of the fixing frame, and a plurality of upper molds are fixedly connected to the bottom face of the pressing plate and correspond to the pressing grooves one to one. According to the utility model, the upper die and the lower die plate are matched through components, so that medicines can be extruded in two directions, the lower die plate can be finely adjusted in a self-adaptive manner along with compression of the tablets, the tablets are ensured to be subjected to vertical and uniform pressure in the material pressing groove, non-uniform density of the tablets caused by non-uniform stress is avoided, and the lower die plate can dynamically and slightly move in the tablet pressing process, so that the tablet pressing efficiency is improved. Friction retention between the tablets and the inner wall of the mold is reduced, and the mold sticking risk is reduced.

The invention provides a stirring device of a shield tunneling machine, which solves the problem that accumulated materials are difficult to scrape off through a stirring blade and accumulate for a long time due to the fact that the stirring blade of the existing stirring machine adopts a fixed-length structure and a gap exists between the stirring blade and the inner wall of a tank body, and can be widely applied to the field of stirring machines. The device specifically comprises a tank body, a stirring shaft is arranged in the tank body, a plurality of fixing pipes are distributed on the surface of the stirring shaft, stirring blades are connected into the fixing pipes, first blades are arranged at the top ends of the stirring blades, second blades are connected to the surfaces of the first blades, the shapes of the second blades are matched with the inner wall of the tank body, and the ends of the second blades can be attached to the inner wall of the tank body; the ends of the second blades protrude out of the ends of the first blades, so that when the ends of the second blades are attached to the inner wall of the tank body, only the second blades make contact with the inner wall of the tank body.

The utility model relates to the technical field of conveying devices, in particular to an anti-blocking conveying device for incineration slag, which is provided with a vertical movable anti-blocking cleaning mechanism connected by an elastic piece, so that a more thorough cleaning effect is achieved, and the reliability is improved; comprising a base and a filter screen conveying belt, the filter screen conveying belt is movably arranged on the upper portion of the base, and the device further comprises a supporting frame, a reciprocating motor, a threaded rod, a threaded pipe, a movable plate, a guide sleeve, a sliding strip, a sliding pipe, a spring, a sliding rod and an anti-blocking cleaning frame. The output end of the reciprocating motor is connected with the top end of the threaded rod, the outer wall of the threaded rod is in threaded connection with the inner wall of the threaded pipe, the left side and the right side of the bottom end of the movable plate are connected with the top ends of the sliding pipes respectively, and the inner walls of the sliding pipes are in vertical sliding connection with the outer walls of the sliding rods. And anti-blocking cleaning frames are arranged on the bottom sides of all the sliding rods and the springs through mounting mechanisms.

The utility model discloses a pot mouth sealing structure and a pot cover, the pot mouth sealing structure is detachably connected to the pot cover, and the pot mouth sealing structure comprises a cover plate which is detachably connected to the pot cover; the sealing ring is arranged on the outer edge of the cover plate in a sleeving manner; the fixed knob can penetrate through the cover plate to be connected to the pot cover, and the fixed knob can rotate relative to the cover plate. The pot cover is provided with a pressure bearing plate, and a fixing column matched with the fixing rotary knob is arranged on the pressure bearing plate. Through the detachable structure (the cover plate, the sealing ring and the fixed knob), parts are convenient to clean or replace, and the user experience is improved; the rotation function of the fixed knob allows adjustment of sealing pressure to adapt to different pot opening states (such as thermal expansion and cold contraction), and excessive compression or failure of the sealing ring is avoided.

This invention discloses a high-resolution microscope objective with a large numerical aperture and a wide field of view, comprising a front converging group with positive optical power, an aberration correction group with negative optical power, and a rear imaging telecentric group with positive optical power arranged sequentially from the object side to the image side. The front converging group is responsible for the initial convergence of object-side rays, laying the foundation for large field of view and high numerical aperture imaging. The aberration correction group is the core of the system's aberration correction, which can effectively correct field curvature, distortion, and chromatic aberration. The rear imaging telecentric group is responsible for the final high-performance imaging and ensures the telecentric characteristics of the object side. It simultaneously achieves flat field, low distortion, and apochromatic aberration under an ultra-wide field of view to ensure the imaging quality of the objective and can better meet the wide field of view and high-resolution precision measurement needs of fields such as semiconductor detection.

The application discloses a bearing fault diagnosis method based on multi-source time-frequency feature fusion, and comprises the following steps: acquiring a bearing vibration signal and a rotating speed signal; constructing a bearing fault identification model based on a multi-source time-frequency feature extraction and fusion framework, which is used for identifying the bearing fault; training the bearing fault identification model to obtain a trained bearing fault identification model; and inputting the bearing vibration signal and the rotating speed signal into the trained bearing fault identification model to realize bearing fault classification. Through the combination of multi-source information fusion and an attention mechanism, the application improves feature expression capability and fault identification precision under the premise of ensuring model calculation efficiency, and provides an effective implementation method for bearing fault diagnosis under complex working conditions.

The utility model relates to the technical field of building construction, in particular to a vacuum water suction device for a ballastless track base plate. The vacuum water suction device is mainly designed for solving the problem that an existing vacuum water suction device for the ballastless track base plate is low in working efficiency. The device comprises a main body, a mounting shell is fixed on the main body, and the output end of a servo motor at the right end of the mounting shell is connected with a threaded rod; a hydraulic cylinder is arranged at the bottom of the threaded sleeve, and the output end of the hydraulic cylinder is connected with a mounting plate; the hinge frame is formed by crossing two hinge rods and connected with the mounting plate through a pin shaft, rotating seats are arranged at the left end and the right end of the hinge frame and slidably connected to the left pressing rod and the right pressing rod, electric push rods are connected to the two ends of the left pressing rod, and the other ends of the electric push rods are fixed to the right pressing rod. The first pressing plates and the second pressing plates are connected together in a sliding mode, the two first pressing plates are fixed to the front end and the rear end of the left pressing rod, and the right ends of the two second pressing plates are connected with the right pressing rod. The method has the advantage of improving the construction efficiency.

The invention discloses a self-interference elimination circuit. The self-interference elimination circuit comprises an input attenuation module, a variable gain delay array and an output attenuation module. The input attenuation module is used for regulating and controlling the power of a self-interference signal generated by a transmitter; the variable gain time delay array is used for performing high-precision time delay frequency characteristic and amplitude frequency characteristic regulation and control on the self-interference signal; the output attenuation module is used for regulating and controlling the output power of the variable gain delay array; the self-interference elimination circuit establishes a self-interference elimination signal by simulating group delay, phase and amplitude response of a self-interference signal in a propagation process, and realizes self-interference elimination at a radio frequency front end. The self-interference elimination circuit can be used for self-interference elimination of the radio frequency front end and has the advantages of being large in delay range and high in adjustment precision.

The application belongs to the technical field of environmental protection equipment, and particularly relates to a mechanical hand special for environmental protection equipment, which comprises a mounting plate, first screw rods are arranged at positions close to the front and rear sides of the bottom of the mounting plate, fixing plates are rotatably sleeved with the first screw rods at positions close to the two ends of the first screw rods, one end of one of the first screw rods is connected with a first motor, a transmission device is arranged between the ends of the two first screw rods away from the first motor, and a plurality of clamping jaws are sleeved with the first screw rods. When the two second screw rods drive the clamping jaws to approach each other to grab the easy-open cans, the first screw rods can drive the first sliding blocks to slide along the sliding holes while the pressing plates are static, when the two first screw rods rotate, the first screw rods can drive the two pressing plates to approach the easy-open cans at the same time through the action force on the first sliding blocks, so that the compression operation on the easy-open cans is realized, and the storage space of the easy-open cans is saved.

The invention relates to the technical field of geotechnical engineering detection and geological exploration, in particular to a bottom mud columnar sampler operation control test system and method, and the method comprises the steps: collecting operation state feedback data, and recognizing the current operation stage and resistance state of a sampler; when it is recognized that the sampler is in the extraction stage and the cable traction tension exceeds a preset tension threshold value, frequency conversion excitation control logic is triggered; identifying a resonant frequency point of the current pipe wall and an external medium system; generating a vibration control instruction to reduce the friction resistance of the interface; the change rate of the environment pressure outside the pipe is monitored in real time; generating a pneumatic compensation instruction, adjusting the pressure of the cavity in the tube, and maintaining the difference value between the pressure of the environment outside the tube and the pressure of the cavity in the tube to be within a preset allowable error range of the sample maintaining pressure difference; according to the invention, sample slippage or bedding damage caused by pressure imbalance is effectively avoided, and the integrity of the columnar sample is guaranteed.