12results about How to "Change impact" patented technology

The invention discloses a building curtain wall three-dimensional interlayer combination displacement deformation performance detection device, which comprises a base, a top pressing mechanism and an impact mechanism, and is characterized in that the base is provided with a mounting rack, and two side edges of the mounting rack are respectively provided with a pressing plate and a supporting plate which are used for clamping a curtain wall test piece up and down; the top pressing mechanism comprises a mounting disc and a top block used for abutting against a curtain wall test piece for testing, the mounting disc can be rotatably and adjustably arranged on the base, the top block is mounted on the mounting disc, and the top block can lift up and down and can be adjusted in the radial direction of the mounting disc; the impact mechanism comprises a translation plate, a connecting frame, a winding roller and an impact block, the translation plate can be arranged at the upper end of the mounting frame in a horizontal linear movement adjusting mode, the connecting frame can be arranged below the translation plate in a vertical lifting adjusting mode, the winding roller is rotationally arranged on the connecting frame, a rope is arranged on the winding roller, and the impact block is connected to the rope. According to the invention, test points can be flexibly adjusted, different positions of the curtain wall test piece can be tested, and the accuracy of detection data can be better ensured.

The application belongs to the technical field of battery accessory testing, and particularly relates to a power impact testing system for new energy vehicles, which comprises a bottom plate, a fixing mechanism for fixing the position of a power supply is arranged on the upper surface of the bottom plate, two supporting plates are fixedly connected to the bottom plate, a guide groove is arranged in the supporting plate, a top plate is fixedly connected to the two supporting plates, a hydraulic cylinder is fixedly installed on the top plate, a driving pressing plate is fixedly connected to the output end of the hydraulic cylinder, and a sliding block is slidably connected to the guide groove. The impact force of an impact head on the power supply can be changed by adjusting the hydraulic pressure of the hydraulic cylinder, the value of the impact force can be accurately measured and read by a pressure measuring plate, the power supply is limited and fixed by the fixing mechanism, so that the power supply is prevented from shaking and deviating when being impacted by the impact head, and the power supply surface can be sprayed with fire extinguishing agent by the fire extinguishing mechanism, so that the power supply is prevented from being deformed and damaged due to fire.

The utility model discloses an airflow conducting mechanism, and belongs to the technical field of chemical fiber manufacturing equipment, the airflow conducting mechanism is applied to the chemical fiber manufacturing equipment, the chemical fiber manufacturing equipment is provided with an inner cavity and an airflow channel communicated with the inner cavity, the airflow conducting mechanism comprises a monomer discharging cover, a monomer discharging cover, an air guiding opening, an inlet and an outlet, the monomer discharging cover is provided with a cavity, and the air guiding opening is communicated with the cavity; the inlet / outlet is used for connecting a device capable of generating positive pressure or negative pressure; the adapter is used for being connected with chemical fiber manufacturing equipment, the adapter is movably connected with the single discharge cover, and the position of the air guide opening relative to the airflow channel can be adjusted through the relative connecting position of the adapter and the single discharge cover; the device can balance the provided airflow pressure and the airflow environment pressure of yarn discharging, provides a stable airflow environment, enables yarn discharging and forming to be in a stable state, and facilitates improvement of the quality of formed spinning.

The present invention discloses a cleaning device for a carbon fiber tube forming mold, and relates to the field of cleaning technology. The present invention comprises an upper mold, a lower mold and a cleaning device; the cleaning device comprises a hollow shell; a grinding groove is provided through the circumferential side surface of the hollow shell; a grinding ring is rotatably provided on the inner wall of the grinding groove; a plurality of connecting shafts are evenly fixed on the inner wall of the grinding ring; a rotating shaft is connected between the ends of each connecting shaft; a connecting pipe is fixed through the two opposite sides of the hollow shell; a plurality of impellers are symmetrically fixed at both ends of the rotating shaft; a plurality of conical cleaning pipes are evenly fixed through the circumferential side surface of the connecting pipe. The present invention drives the impeller to rotate by passing gas and water into the cleaning device in turn, and then drives the grinding ring to rotate, so as to realize the grinding and cleaning of the inner wall of the forming groove by the grinding ring. The gas can initially blow most of the impurities out of the forming groove, and the water source can flush and clean the residual dust out of the forming groove. It can not only clean but also reduce dust. Multiple power sources share one device, saving costs.

The hydraulic steering mechanism for the engineering machinery comprises an oil cylinder body, a first oil inlet and a first oil outlet are formed in the front side and the rear side of the oil cylinder body; one end of the pressure relief pipe is connected with the first oil outlet; according to the oil cylinder, when oil transportation to the left cavity of the oil cylinder body is suddenly stopped, the piston is possibly pushed forwards due to inertia, impact force is generated on the right cavity, oil enters the buffer cavity through the pressure relief pipe and rushes to the buffer air bag, and therefore the oil is prevented from entering the buffer air bag; gas in the buffer air bag enters the buffer air bag to push the buffer plate to get close, reduce the contact distance with oil and change impact force, the larger the impact force is, the longer the extension of the telescopic end of the damping rod is, the larger the buffer force is, and the better the effect is, the buffer air bag plays a first-step buffer and reduces the initial impact force of oil flow, and when the oil impacts the buffer plate, the damping rod and the reset spring play a second-layer buffer. Impact is reduced again, system pressure is stabilized, pressure fluctuation is relieved, and adverse effects on the oil cylinder body are avoided.

The utility model discloses a numerical control lathe for mould processing, which comprises a lathe mechanism and a shielding mechanism, the shielding mechanism is fixedly connected with the lathe mechanism, the shielding mechanism comprises a power box, the bottom of the inner wall of the power box is fixedly connected with a motor, the output end of the motor is fixedly connected with a driving wheel, and the output end of the driving wheel is fixedly connected with a transmission shaft. The surface of the driving wheel is in transmission connection with a transmission belt, the bottom of the inner wall of the power box is movably connected with a threaded rod through a bearing, the surface of the threaded rod is sleeved with a shielding plate, and the top of the shielding plate extends to the outer side of the power box. According to the numerical control machine tool for machining, by arranging the shielding mechanism, the phenomenon that chippings generated in the machining process of a traditional numerical control machine tool for machining splash to affect and interfere the surrounding environment and workers is changed, chippings generated in the machining operation process can be effectively prevented from being shielded, operation of the workers cannot be affected, and the machining efficiency is improved. And a better working environment is provided for workers.

The invention discloses a gas-liquid separator, which relates to the technical field of gas-liquid separation. The first shell has a water inlet mechanism running through its outer surface, and a water outlet pipe running through one side of the first shell away from the water inlet mechanism. By setting the water inlet mechanism, a gas-liquid mixture that needs to be separated from the gas-liquid can be poured into the inner cavity of the first shell, and the water flow can be guided to the inner cavity of the purification mechanism. By setting the water outlet pipe, the liquid after the gas-liquid separation in the inner cavity of the first shell can be discharged, so that the liquid in the inner cavity of the first shell can be discharged. The inner wall of the first shell is fixedly connected with a purification mechanism. By setting the purification mechanism, harmful substances and irritating gases in the gas-liquid mixture can be purified, and then when the gas and liquid are discharged, the harmful substances and irritating gases in the gas and liquid can be prevented from leaking out to pollute the external environment, thereby achieving the effect of collecting the liquid attached to the inner wall.

The invention belongs to the technical field of tunnel construction devices, and particularly relates to a tunnel construction monitoring device based on the Internet of Things, which comprises an adjusting type bracket, a moving assembly is movably mounted above the adjusting type bracket, a horizontal telescopic assembly is movably mounted in the moving assembly, and a monitoring detection assembly is movably mounted above the moving assembly. A horizontal telescopic assembly is made to stretch out till elastic heads at the two ends of the horizontal telescopic assembly abut against the two inner walls of a tunnel, total stretching length data of the horizontal telescopic assembly is transmitted out through the Internet of Things, and then the diameter of the tunnel at the construction position is monitored; the relative elevation between different points is measured by rotating the construction level gauge, the length of the steel bar structure is determined through the height difference between the two places, and the construction efficiency of subsequent reinforced concrete is effectively improved.

The present invention discloses an ultrasonic image defect detection method based on image entropy and recursive analysis, and belongs to the technical field of ultrasonic nondestructive testing. The method comprises: 1. performing linear array phased array ultrasonic scanning on the same workpiece or the same batch of the same workpieces, and continuously acquiring multiple B-scan images; 2. graying and median filtering preprocessing the acquired B-scan images; 3. calculating the image entropy of the preprocessed B-scan images to obtain a B-scan image entropy sequence; 4. calculating and selecting the time delay and embedding dimension of the image entropy sequence, and using them as parameters for recursive analysis; 5. recursively analyzing the image entropy sequence according to the selected parameters to obtain a recursive graph of the sequence, and judging whether there is a B-scan image containing defects in the acquired image according to the recursive graph. The present invention can effectively identify defects in multiple B-scan images, does not require image interception and segmentation operations, has a small amount of stored data, high recognition efficiency, and strong applicability.

The utility model relates to a structure of guiding airflow shunting, which is located at the outside of the automobile rearview mirror shell, comprising a rearview mirror shell, a plurality of shunting devices of guiding airflow shunting arranged outside the rearview mirror shell, the shunting device is a plurality of convex strips or groove strips with an elongated structure from top to bottom, if the shunting device is a plurality of convex strips, the width of the convex strip from the car to the rear view increases gradually, the height increases gradually, and the length increases gradually, if the shunting device is a plurality of groove strips, the width of the groove strip from the car to the rear view decreases gradually, the height decreases gradually, and the length decreases gradually, and the spacing between adjacent convex strips or groove strips gradually increases from the car to the rear view. The structure of guiding airflow shunting provided by the utility model changes the airflow structure of the automobile rearview mirror, increases the airflow shunting structure through the appearance modeling structure design, orderly guides the airflow in the flowing process, reduces the occurrence of noise, and changes the influence of the airflow on the rearview mirror.

The invention relates to the technical field of drum filters, in particular to a fishpond drum filter with an anti-blocking sewage discharge structure, which comprises a shell, a U-shaped plate and a partition plate are mounted in the shell, a liquid inlet pipe is embedded in the shell, and a first rotating plate and a second rotating plate are rotatably arranged on the liquid inlet pipe. The second rotating plate is fixedly connected with a fixing column which penetrates through the U-shaped plate and is rotationally connected with the U-shaped plate, rectangular frames which are distributed at equal intervals in the circumferential direction are arranged between the first rotating plate and the second rotating plate, filter screens are arranged in the rectangular frames, and the U-shaped plate is fixedly connected with a double-shaft motor; the fixed column is in transmission with an adjacent output shaft on the double-shaft motor through a bevel gear set, a flow guide pipe is embedded in the shell, a flow guide plate is arranged on the flow guide pipe in a sliding mode, and the shell is provided with a recoil mechanism. Impurities intercepted by the filter screens on all the rectangular frames are collected through the flow guide plates, and the continuous filtering duration of the filter screens on all the rectangular frames is prolonged.

The utility model relates to the field of medical equipment, and discloses a three-cavity catheter convenient to wash, which comprises a catheter body, an adjusting mechanism is detachably mounted on the outer wall of the catheter body and comprises a connecting block, a baffle is slidably connected to the inner wall of the connecting block, a long rod is fixedly connected to the outer wall of the baffle, and the long rod is fixedly connected to the inner wall of the connecting block. A square plate is fixedly connected to the outer wall of the long rod, a moving block is elastically connected to the outer wall of the square plate through a spring A, a clamping block is fixedly connected to the outer wall of the moving block, a pressing mechanism is arranged on the inner wall of the connecting block, multiple sets of clamping grooves are formed in the outer wall of the connecting block, and the long rod penetrates through the outer wall of one side of the connecting block. According to the utility model, the baffle can be driven to rotate by pulling the moving block outwards and then rotating the moving block so as to adjust the size of a gap between the baffle and the connecting block, so that the flow rate of liquid medicine is adjusted, the impact force of the liquid medicine on the bladder of a patient is changed, and the discomfort of the patient is reduced.