18results about How to "Improve compaction quality" patented technology

The invention discloses an intelligent road roller trajectory planning method, electronic equipment and a storage medium. The method comprises the following steps: acquiring a road boundary detection result and the category, speed and distance information of an obstacle by adopting a target detection and semantic segmentation network; calculating the relative pose of the road roller and the road boundary based on the road boundary detection result; using a multi-sensor data fusion method to fuse the obstacle information, the road boundary information and the road roller global positioning information obtained from the integrated navigation equipment to obtain the global positioning information of the road roller and the obstacle; establishing a global path planning model; constructing a multi-objective function considering the compaction quality and a multi-constraint condition considering a construction time window, and optimally solving the working speed and the compaction times of the road roller based on a dynamic programming method; coupling of the speed and the path of the road roller is achieved through a spline curve interpolation method, and an intelligent compaction global track is generated. The optimal compaction quality can be achieved under complex construction, and meanwhile high efficiency and economical efficiency of operation are guaranteed.

The invention relates to the technical field of pavement construction, and particularly discloses an intelligent spreading and pressing machine group scheduling system and method for highway pavement construction, and the system comprises a road modeling and dividing module which is used for automatically planning an optimal construction path according to road information, and dividing the construction path into a plurality of regions; the compaction degrees in different areas in the construction process are estimated and calculated through the data calculation unit in combination with diversified data, the reliability and accuracy of the compaction degree calculation result can be improved, and then the compaction degrees in the different areas in the construction process are compared with the preset compaction degree through the data analysis unit; according to the method, whether the compaction effects of different areas are qualified or not can be accurately judged, and when the compaction effect of a certain area is judged to be unqualified, an intelligent scheduling adjustment scheme is formulated in time through the intelligent scheduling module according to the compaction degree information of the area, so that the subsequent compaction quality of the area is ensured, and the continuity and high efficiency of the construction process are ensured.

The invention provides an intelligent real-time measurement device for the rolling effect of a roadbed widening joint and a use method, and belongs to the technical field of road construction. Comprising a measuring road rolling vehicle assembly, and the outer side surface of the measuring road rolling vehicle assembly is covered with a measuring device external support assembly. Real-time compaction degree acquisition equipment is arranged on a vibration steel wheel, and compaction data of a road roller and a feedback force oscillogram of a compaction material are acquired and analyzed through a built-in sensor and are transmitted to a system cloud center to be compared with a corresponding test data model, so that whether the compaction degree of the current compaction material is qualified or not is judged; according to the intelligent compaction system for the road roller, nondestructive, accurate and rapid detection is achieved in the whole process, compaction parameters are fed back in real time, real compaction information and guidance are provided for operators, and therefore the compaction quality is improved, after the road roller is provided with the intelligent compaction system, a driver can observe the rolling condition of a working face in real time through the navigation panel installed in a cab, and therefore operation is visible.

The utility model discloses a lithium battery pole piece thickness control device which comprises a base, the upper surface of the base is fixedly connected with a fixing frame, the rear surface of the fixing frame is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a driving roller, and the inner surface of the fixing frame is slidably connected with an adjusting block. An extrusion roller is rotatably connected to the inner surface of the adjusting block, a connecting rod is fixedly connected to the upper surface of the adjusting block, a first adjusting frame is fixedly connected to the upper surface of the connecting rod, and through the arrangement of the two guide frames, a pole piece to be compacted can be conveniently guided and accurately guided to the center position of the extrusion roller, and it is guaranteed that the position of the pole piece is accurate; the compaction quality of the pole piece is improved, the surface and structural integrity of the pole piece is protected, the motor drives the two-way screw rod to rotate so as to drive the supporting block to move to adjust the distance between the guide frames, the device can be suitable for guiding the pole pieces of different specifications, and the applicability of the device is improved.

The invention discloses a system and a method for predicting the optimal excitation frequency of a vibratory roller based on machine learning, and the method comprises the following steps: S1, collecting the original data of soil under different conditions and the working parameters of the vibratory roller under the conditions, investigating the parameters of different models of vibratory rollers, and processing and storing the data; s2, a machine learning algorithm in MATLAB is selected and trained, a machine learning-based optimal excitation frequency prediction model of the vibratory roller is obtained, and thus the predicted soil inherent frequency can be obtained; and S3, comparing the difference between the predicted soil inherent frequency and the soil inherent frequency measured in actual work, and adjusting and optimizing the prediction model in S2. According to the method, the optimal excitation frequency of the vibratory roller is predicted before construction, the prediction precision is improved by integrating factors such as the environment, the pavement type, the soil density and the compaction degree, and the operation requirements of the vibratory roller under different regions and different pavement conditions can be met.

The invention discloses a method for rapidly detecting the water content of a cement stabilized macadam material on a construction site. According to the method, firstly, a portable high-frequency electromagnetic wave moisture content rapid tester is subjected to test gear adjustment and zero setting, then a cement stabilized macadam paving layer moisture content test area before rolling is selected on site, and the position of the test area can be consistent with the on-site compactness detection position; a cement stabilized macadam layer in a testing area needs to have the compactness of 65-90%, moisture content testing is conducted on different testing points at the position about 1 / 2 depth in the testing area, 16 testing points are evenly distributed in the range of the testing area, and the moisture content value of the water stabilized macadam on site is determined by calculating the average value of the different testing points through data. The detection method provided by the invention can rapidly and accurately test the water content condition of the water-stabilized crushed stone material on site, improves the test efficiency, facilitates timely adjustment of the raw material mix proportion, optimizes the construction process, and improves the compaction quality of the water-stabilized base layer.

The invention belongs to the technical field of water conservancy and hydropower devices, and particularly relates to an earth and rockfill dam material compaction quality real-time monitoring control device. Comprising a mainboard, a driving mechanism, a monitoring module and a control module, the driving mechanism comprises a driving motor, a roller assembly and a rear wheel assembly, the driving motor is arranged on the main board, and the output end of the motor drives the roller assembly and the rear wheel assembly; and the controller is arranged on the main board, comprises a monitoring module and a control module, and is used for monitoring and controlling the driving mechanism. The earth and rockfill dam material compaction quality real-time monitoring and controlling device has the characteristics of real-time monitoring and feedback, intelligent excitation force control, self-adaptive adjustment, high efficiency, convenience and the like, and provides powerful technical support for earth and rockfill dam material compaction quality monitoring in water conservancy and hydropower engineering construction.

This utility model relates to the field of disposable hygiene product production equipment, and particularly to an adult diaper compaction device that provides precise and uniform material conveying and mixing with good compaction effect. It includes a superabsorbent polymer (SAP) suction component, a SAP feeding component, a wood pulp fiber suction component, a feeding bin, a forming die wheel assembly, a first transfer wheel, a cotton core pressing component, a second transfer wheel, and an adsorption conveying component. The SAP feeding component is located at the output end of the SAP suction component. The feeding bin has a first inlet, a second inlet, and an outlet. The output ends of the SAP feeding component and the wood pulp fiber suction component are respectively connected to the first and second inlets of the feeding bin. The forming die wheel assembly is located at the outlet of the feeding bin. The first transfer wheel is located at the output end of the forming die wheel assembly. The cotton core pressing component and the second transfer wheel are located at the output end of the first transfer wheel.

The invention relates to an asphalt pavement compaction holographic equivalent temperature estimation method and electronic equipment, and the method comprises the following steps: in the engineering implementation stage of asphalt pavement construction, actually measuring the initial temperature of the upper layer of the pavement during water sprinkling, and calculating the initial temperature of the lower layer of the pavement according to the initial temperature; in the engineering implementation stage of asphalt pavement construction, the environment temperature during initial pressure, the watering temperature amplitude and the balance temperature when the temperature change of the upper layer and the lower layer of an asphalt pavement is stable are actually measured; the actually measured and calculated temperatures are substituted into the temperature decay model under the watering condition obtained through fitting, and the temperature of the upper layer and the temperature of the lower layer of the asphalt pavement changing along with time are estimated; and calculating a holographic equivalent temperature considering the asphalt layer depth and the compaction time according to the temperature of the upper layer and the lower layer which change along with the time. Compared with the prior art, the holographic equivalent temperature pre-estimation method under the water sprinkling working condition has the advantages that the operation is simple and convenient, and the pre-estimation result has the advantages of being accurate, real-time and the like.

The present application provides an intelligent vibration control method and system for shield concrete segments, which relates to the field of concrete vibration control technology. The method includes: performing mold damage analysis based on the concrete ratio in multiple stages to determine the maximum flow rate of vibration in multiple stages; taking the maximum flow rate of vibration in multiple stages as a constraint, optimizing the vibration parameters based on the vibration indicators in multiple stages, and determining the optimized vibration scheme for vibration operation; collecting real-time pressure data during the operation and feeding it back to the control unit; performing pressure deviation analysis based on the PID control algorithm, and generating feedback adjustment parameters to optimize the opening of the regulating valve. This application can solve the technical problem that the accuracy and timeliness of the control parameter adjustment are poor, resulting in poor vibration quality, due to the inability to set matching vibration control parameters according to the changing state during the concrete vibration process, and can achieve the effect of improving the vibration quality and concrete compaction quality and extending the service life of the mold.

The utility model discloses a printing product compacting device which comprises a base, a pressing plate mechanism, a driving mechanism and a cleaning mechanism, the pressing plate mechanism, the driving mechanism and the cleaning mechanism are arranged on the base, the driving mechanism is connected with the pressing plate mechanism and used for driving the pressing plate mechanism to conduct compacting operation, and the cleaning mechanism is connected with the pressing plate mechanism. The driving mechanism comprises a servo motor, an output shaft of the servo motor is connected with an input shaft of the movable pressing plate through an elastic coupler, stable and accurate movement of the upper pressing plate is ensured, the base is used for supporting the whole compaction equipment, and the printing quality and the production efficiency are improved, material waste and maintenance cost are reduced, and the production efficiency is improved. The compacting device is favorable for improving the economic benefit and the market competitiveness of printing enterprises.

According to the gluing equipment for fruit cultivating bag paper production, the function of pressing the fruit cultivating bag paper is achieved through the cooperation of the fixing plate structure and the pressing block structure, and the problem that the fruit cultivating bag paper is prone to deviation in the gluing process is solved. Comprising a machining table and further comprises a supporting frame arranged on the upper surface of the machining table, and a conveying belt is arranged in the middle of the upper surface of the machining table; the supporting frame is of an inverted-U-shaped structure, pressing mechanisms and a brushing mechanism are arranged on the face, facing the conveying belt, of the supporting frame, and the pressing mechanisms are arranged on the two sides of the brushing mechanism. The pressing mechanism comprises a pressing air cylinder, a fixing plate, a supporting rod and a pressing block. The upper surface of the fixing plate is connected with the pressing air cylinder. According to the gluing equipment for fruit cultivating bag paper production, when surface gluing is carried out on fruit cultivating bag paper, the fruit cultivating bag paper can be pressed from the middle position, so that the fruit cultivating bag paper does not deviate in the painting process, the gluing quality is effectively improved, the fruit cultivating bag paper can be tighter in the subsequent edge sealing process, and the fruit cultivating bag paper is prevented from being damaged. And the wrapping quality of the fruit cultivating bag paper on the fruits is improved.

The utility model discloses a rod valve element press structure, and relates to the technical field of rod valve element press structures, the rod valve element press structure comprises a bottom plate, a vertical shaft mounted on the bottom plate, an upper plate mounted at the end, away from the bottom plate, of the vertical shaft, a driving part mounted on the upper plate and a limiting part mounted on the bottom plate, and the limiting part is rotationally arranged on the bottom plate; the upper plate and the vertical shaft are detachably connected through a fastener, the output end of the driving part is further connected with an upper pressing head, the driving part is used for driving the upper pressing head to move in the axis direction of the driving part to achieve compaction, and the limiting part is used for positioning and assembling the valve element with the rod. The assembly and compaction device has the effects that assembly and compaction work of the valve element with the rod is efficiently completed, assembly, disassembly and adjustment of parts are facilitated, and the use flexibility and stability of equipment are improved.

The invention belongs to the technical field of white spirit koji making production equipment, and particularly provides a bionic compaction upper die and an operation method thereof.The bionic compaction upper die comprises a die base, a die cavity groove is formed in the bottom of the die base, a diaphragm locking frame is arranged at the bottom of the die base, and the diaphragm locking frame and the die base are connected through bolts; the periphery of the bionic membrane is arranged between the mold base and the membrane locking frame in a pressed mode, the bionic membrane seals the mold cavity groove, and an air pressure balance mechanism is arranged on the upper side of the mold base and used for air pressure balance in the mold cavity groove. According to the bionic compaction upper mold and the operation method thereof, in the compaction demolding process, materials are not prone to being stuck, and therefore the consistency and the appearance of curved blocks can be guaranteed.

The utility model discloses an earthwork tamping device which comprises a self-propelled chain belt rammer, a support assembly, a supporting mechanism, a soil leveling assembly and a transmission mechanism, and the support assembly is arranged on the surface of the self-propelled chain belt rammer; the supporting mechanism is arranged at the top of the support assembly, the soil leveling assembly comprises a compression roller plane mechanism, a primary pressing mechanism and a front shovel, and the compression roller plane mechanism, the primary pressing mechanism and the front shovel are sequentially arranged on the surface of the support assembly; the transmission mechanism comprises a first transmission belt and a second transmission belt. Therefore, the device can push soil, higher than the tamping face, in front of the tamping block to move forwards, the pothole ground is effectively filled, the integrity and flatness of the tamping face are guaranteed, the working period is shortened, abrasion and energy consumption of the rammer are reduced, and the working efficiency and the tamping quality are improved.

A kind of ground treatment structure for the new and old filling interface area of airport pavement influence area belongs to ground structure technical field.The structure includes geogrid, over-excavation replacement layer, slope step, reinforcing step and filling layer, 2-4m over-excavation replacement layer is set on the top surface of original filling body, slope step is set on the slope of original filling body, the width of slope step is not less than 2m, one layer of reinforcing step is filled on the outside of every two slope steps, filling layer is filled outside reinforcing step again, the top of filling layer is filled to the same elevation as the top of over-excavation replacement layer, geogrid is laid on the interface of original filling body and filling layer top surface, the laying width of geogrid on filling layer and original filling body is 10-15m, and new pavement is built on the top surface of over-excavation replacement layer and filling layer.The structure improves the overall stability and reliability of new pavement foundation, reduces post-construction settlement and uneven settlement, and ensures the safety of upper pavement structure.

The invention discloses a double-drive single-steel-wheel road roller based on mechanical transmission and a control method of the double-drive single-steel-wheel road roller, and belongs to the technical field of road roller control. The road roller comprises an engine, a gearbox, a vibration system, a rear wheel mechanical driving system, a front wheel hydraulic driving system and a whole vehicle controller. The front wheel hydraulic driving system comprises a front wheel driving pump and a driving motor which are connected with the gearbox and is used for realizing front wheel auxiliary driving; the vehicle control unit controls the rotating speed of the engine and the displacement of the front wheel driving pump and the motor according to signals of the speed sensor. The control method comprises a transition mode, a common compaction mode, a high flat compaction mode and a high drive mode, distribution of driving force of front and rear wheels can be intelligently controlled according to different working conditions, energy conservation and high efficiency of mechanical transmission and flexibility and controllability of hydraulic drive are both achieved, and the working condition adaptability and operation quality of the road roller are improved.

The utility model discloses a compacting device for felt production, which relates to the technical field of felt compacting devices and comprises a base, a guide frame is arranged on one side of the top of the base, a guide groove is formed in the top of one side of the guide frame in a penetrating manner, and a guide mechanism matched with the guide groove is arranged in the guide groove; a compaction frame is arranged on the other side of the top of the base, a compaction groove is formed in the top of one side of the compaction frame in a penetrating mode, a cutting mechanism is arranged at the inner bottom of the compaction groove, a compaction mechanism matched with the compaction groove is arranged in the compaction groove, and a fixing plate is arranged at one end of the compaction frame. The felt guiding and conveying device not only can realize accurate guiding and conveying of the felt, but also can realize compaction treatment of the felt, obviously improves the compactness of the felt, and simultaneously can realize the function of trimming the edge of the felt, so that the quality and the production efficiency of the felt can be effectively improved.