38 results about "Rut" patented technology

The invention discloses a micro-rut asphalt mixture production temperature control method and system, and relates to the technical field of material production.The method comprises the steps that a signal reference system of an infrared probe under the normal working condition is established, and the signal reference system comprises an average intensity reference value and a fluctuation range reference value; acquiring average intensity and fluctuation characteristics of a current infrared probe signal; according to the average intensity reference value and the fluctuation range reference value, performing threshold judgment on the average intensity and the fluctuation characteristics to obtain a judgment result; if the judgment result is that the water vapor interference exists, temperature correction is calculated according to the fluctuation characteristics; and correcting the current production temperature according to the temperature correction amount. The water vapor interference can be identified and the production temperature can be corrected by combining the average intensity and fluctuation characteristics of the signal, so that the production temperature control is realized, and the accuracy is improved.

The invention provides a pavement rut classification and rut depth calculation method and system based on deep learning, and relates to the technical field of pavement disease detection. The method comprises the following steps: firstly, aiming at the characteristics of high-dimensional track cross section elevation data, carrying out preprocessing such as smoothing, inclination correction and dimension reduction, establishing two data sets according to different classification modes of track cross sections, and establishing track type and shape relevance; then neural network models of various structures are constructed for track shape classification, and an optimal classification model is selected through an ablation test; and finally, establishing different virtual rulers based on different types of rut classification results, and calculating the rut depth. According to the method, a CNN-BiLSTM model is selected as an optimal classification model, and different virtual direct calculation rut depths are respectively established for different types of ruts, so that the rut depth calculation efficiency is improved.

The utility model discloses an asphalt mixture rut sample forming machine which comprises a carrying box body, a supporting frame fixedly connected to the carrying box body, a controller fixedly connected to the front end of the supporting frame, a test trolley located at the upper end of the carrying box body and located below the supporting frame, and a sample disc detachably connected to the test trolley. The upper end of the supporting frame is fixedly connected with an air cylinder. The output end of the air cylinder is detachably connected with a connecting frame. The lower end of the connecting frame is detachably connected with a grinding wheel; and the connecting frame is rotationally connected with a cleaning part for cleaning the lower surface of the runner wheel. Compared with the prior art, the cleaning device has the advantages that by arranging the cleaning scraper, after the rocking rod is rocked, the cleaning scraper moves along the radian direction of the lower surface of the runner wheel under the support of the connecting rod, so that the asphalt mixture adhered to the lower surface of the runner wheel is cleaned, and a heat insulation material is wound on the rocking rod, so that a worker is prevented from being scalded; the cleaning efficiency is improved, and the test completion time is shortened.

The invention belongs to the technical field of road tests, and particularly relates to a rut forming device, a rut test piece and rut test equipment, the rut forming device comprises a base, the base comprises a base body, a pair of lifting platforms and a mold, the pair of lifting platforms and the mold are arranged on the base body, and the pair of lifting platforms are arranged in a spaced mode in the second direction; the mold is located between the pair of lifting platforms and can move in the first direction, and an asphalt mixture is contained in the mold; the supporting frame is arranged on the base main body and comprises a supporting platform; the rolling wheel is positioned below the supporting platform and is in contact with the rolling surface of the asphalt mixture; the counterweight piece is connected with the rolling wheel and is used for applying a variable load to the rolling wheel; after the mold moves by a preset distance in the first direction, the rolling wheel reciprocates in the mold in the second direction, so that the asphalt mixture is rolled and formed into a rut test piece. According to the invention, the rolling working condition of the asphalt mixture on the construction site can be truly simulated, and the high-temperature rut resistance of the asphalt pavement can be reflected more accurately.

The utility model relates to the technical field of road construction, and discloses an asphalt anti-rut agent raw material mixing device which comprises a bottom plate, supporting legs are fixedly connected to the top of the bottom plate, a support is fixedly connected to the position, close to the edge, of the top of the bottom plate, hollow cylinders are fixedly connected to the tops of the supporting legs, and the hollow cylinders are fixedly connected to the top of the bottom plate. The inner wall of the hollow cylinder is slidably and rotatably connected with a mixing cylinder, the inner walls of the hollow cylinder and the mixing cylinder are both provided with feed inlets, the inner wall of the support is fixedly connected with a funnel, the inner wall of the funnel is fixedly connected with a plurality of drain plates, and the top of the inner wall of the funnel is fixedly connected with a cover plate. According to the anti-rut agent mixing device disclosed by the utility model, the micro motor is started to drive the second bevel gear to rotate, so that the first bevel gear can drive the rotating shaft to rotate together, the rotating plate rotates between the leaking discs, and after materials are guided into the funnel, the purpose of rapidly mixing anti-rut agent raw materials without damaging is achieved, the production efficiency is improved, and the production loss is reduced.

The application discloses an evaluation method for the coordinated deformation behavior of an embedded sensor and asphalt mixture, and there is no specification and accurate evaluation method for the coordinated deformation behavior of the embedded sensor and the asphalt mixture at present. The evaluation method is used for obtaining the tire action times corresponding to the cracking of an asphalt mixture rut test piece, the tire action times corresponding to the sensor misalignment node, and the tire action times corresponding to the sensor failure node as evolution evaluation indexes, and the coordinated deformation behavior between the sensor and the mixture is calculated and evaluated by using the three evolution evaluation indexes. The application can obtain the service life of the embedded sensor intelligent sensing structure under different load sizes and loading frequencies, is beneficial to subsequent determination of the best embedding process, embedding position of the sensor and mixture mix design matched with the deformation of the sensor or other related key parameters, and provides accurate data support for the design of a long-service-life and high-precision intelligent road embedded sensing system.

The anti-rut environment-friendly reinforcing structure comprises a main body unit, the main body unit comprises a glass fiber geogrid, first glass fiber strips are fixed to the two sides of the glass fiber geogrid respectively, and mounting grooves are formed in the first glass fiber strips; a connecting assembly used for connecting every two adjacent glass fiber geogrids is arranged between every two adjacent glass fiber geogrids. When the adjacent glass fiber geogrids are connected and fixed, firstly, the connecting belts penetrate through the corresponding mounting grooves, then the connecting belts are turned over, and the first rough surfaces and the first hook surfaces are bonded, so that the two adjacent glass fiber geogrids are connected and fixed, and the multiple glass fiber geogrids can be connected together; and then the rough surfaces II and the hook surfaces II on the glass fiber strips IV are bonded, and the rubber columns are embedded into the consolidation holes, so that the firmness between the adjacent glass fiber geogrids is further improved, and the road holding force can also be improved by the rubber cones I and the rubber cones II.

The present invention relates to an asphalt mixture rutting detection device, belonging to the field of building detection technology. It comprises a base, a protective frame is arranged on the base, an experimental motor is arranged in the protective frame, a rectangular groove is arranged on the upper surface of the base, a plurality of movable rollers placed side by side are arranged in the rectangular groove, a plurality of T-slots are arranged on the side of the base, the T-slots run through the entire base, T-nuts are arranged in the T-slots, connecting bosses are arranged on both sides of the experimental motor, and a plurality of motor mounting holes are arranged on the connecting bosses. The benefits of the present invention are: the entire device is moved to an outdoor asphalt pavement for simulated rotation, thereby realizing the detection of asphalt, and the test of simulated wheels in different positions is realized by moving the experimental motor. The present invention has a novel structure and is easy to operate.

The utility model discloses a high-temperature anti-rut asphalt mixture stirring and homogenizing device, and particularly relates to the technical field of stirring and homogenizing devices, the high-temperature anti-rut asphalt mixture stirring and homogenizing device comprises a stirring tank and a stirring rod, positioning pipes are mounted on two sides of the stirring tank, rotating shafts are mounted in the positioning pipes, and movable circulating components are arranged on two sides of the rotating shafts. According to the stirring device, the heating head is arranged, circulating equipment can be externally connected through the external connecting pipe on the bottom side of the heating head, a high-temperature medium is introduced into the main flow channel in the rotating shaft, and when flowing, the high-temperature medium can enter the stirring rod along the main flow channel and the branch flow channel and then is discharged along the heating head and the external connecting pipe on the other side; according to the stirring and homogenizing device for the high-temperature anti-rutting asphalt mixture, heating treatment can be conducted on the rotating shaft and the stirring rods in an auxiliary mode, when the stirring rods make contact with materials in the stirring tank, the materials can be directly heated, and the heating efficiency is improved when the stirring and homogenizing device for the high-temperature anti-rutting asphalt mixture is used.

The invention discloses an efficient asphalt mixture rut testing machine which comprises a supporting assembly, a testing assembly and a sample rotating assembly. Wherein the supporting assembly comprises a bottom plate and a shell, and the bottom plate is installed in the middle of the shell; the sample rotating assembly is mounted at the bottom of the bottom plate, and the test assembly is mounted above the bottom plate. By arranging the sample rotating mechanism, 120-degree rotation of the sample is automatically realized, so that the test efficiency is improved. By arranging the sample rotating mechanism, the sample rotation is automatically realized, and the detection efficiency is improved.

The utility model relates to the technical field of asphalt pavement rutting depth detection, specifically a full-section rutting depth detection device, including a telescopic rod plugged into the upper end of a load-bearing plate for adjustment, the lower end of the telescopic rod is threadedly connected to a support rod for limiting, the lower end of the support rod is threadedly connected to a stabilizing block for increasing the contact area, the lower end of the load-bearing plate is fixedly connected to a connecting frame for fixing, and the inner wall of the connecting frame is clamped with a measuring rod for measuring. The full-section rutting depth detection device, through the coordinated arrangement of the telescopic rod and the support rod, can more conveniently adjust the height of the load-bearing plate when the staff is measuring and using it, so that the load-bearing plate is more stable and flat, further improving the measurement accuracy, avoiding the device from tilting, resulting in errors in the detection results, and at the same time, with the help of the arrangement of the stabilizing block, the contact surface between the device and the ground can be further increased, making it more stable to place.

The invention relates to the technical field of road engineering, in particular to an anti-rutting-anti-displacement layered composite asphalt material for a level crossing road and a gradient construction method of the anti-rutting-anti-displacement layered composite asphalt material. The layered composite asphalt material for the level crossing road sequentially comprises an upper surface layer, a middle surface layer, a lower surface layer and an asphalt bonding layer arranged between every two adjacent layers from top to bottom, the upper surface layer is an anti-shearing asphalt concrete layer, the middle surface layer is an anti-rutting asphalt concrete layer, the lower surface layer is an anti-fatigue asphalt concrete layer, and the upper surface layer, the middle surface layer and the lower surface layer all contain stress self-adaptive modifiers. Functional layers are customized according to mechanical responses of different conflict areas of the level crossing, the upper layer is resistant to braking shear and sliding, the middle layer and the lower layer are resistant to rutting, fatigue and water, interlayer bonding is resistant to horizontal displacement and cracking, stress self-adaptive modifiers are added into the upper layer, the middle layer and the lower layer, deformation can be intelligently adjusted along with the load frequency, and damage self-sensing and self-repairing are achieved. A rigid-flexible gradient structure is formed, and a full-life-cycle solution is provided for urban intersections.

The utility model provides a kind of asphalt mixture rut testing machine, it includes: vertical support frame, plane moving device, lifting device, steering mechanism and asphalt mixture fixing device;Lifting device is located in vertical support frame inner frame top, lifting device output end connects lifting platform, and one end of lifting platform is slidably connected with plane multidirectional moving device;The output end of plane multidirectional moving device is equipped with steering mechanism, and plane multidirectional moving device is used to drive steering mechanism to move in X and Y direction relative to lifting platform;Steering mechanism below is equipped with pressure wheel;Vertical support frame bottom wall is opened and placed groove, and placed groove is used to place asphalt block to be tested, and vertical support frame is equipped with asphalt mixture fixing device located at the side of placed groove, the utility model is controlled by the cooperation of plane multidirectional moving device and steering mechanism, and pressure wheel can realize the arbitrary direction movement and angle deflection of plane trajectory, significantly improve the authenticity and data reliability of rut test.

The application provides a kind of based on deep learning's road surface rut classification and rut depth calculation method and system, it is related to road surface disease detection technical field.The method is first for the characteristics of high-dimensional rut cross section elevation data, carry out smoothing, inclination correction, and dimensionality reduction such as pretreatment, and according to the different classification of rut cross section two kinds of data sets are formed, the establishment of rut type and shape correlation;Then construct a variety of structure neural network model for rut shape classification, and select the best classification model by ablation experiment;Finally, based on the classification results of different categories of rut, different virtual ruler is established, and the rut depth is calculated.The method selects CNN-BiLSTM model as the best classification model, and different virtual straight is established for different types of rut to calculate the rut depth, which improves the efficiency of rut depth calculation.

The utility model relates to the technical field of road engineering, and discloses an anti-rut asphalt road layer structure based on hard asphalt, which comprises a roadbed, a base layer paved on the roadbed, a stress absorption layer paved on the base layer, an anti-rut asphalt surface layer paved on the stress absorption layer, and an anti-rut asphalt surface layer paved on the stress absorption layer. And an anti-rut asphalt surface lower layer is paved above the anti-rut asphalt surface upper layer. The fine-grain type asphalt concrete layer and the medium-grain type asphalt concrete layer which are made of hard asphalt have high softening points, viscosity and a good grading structure, so that the rut resistance and the overall stability of the pavement can be improved, the rubber asphalt stress absorbing layer can absorb and disperse stress, adapt to deformation, reduce the risk of cracks and ruts, improve the durability and prolong the service life of the pavement. Longitudinal and transverse drainage blind ditches in the roadbed are communicated with drainage ditches, drainage can be conducted in time, water stability can be improved, and glass fiber grids laid in the asphalt concrete layer can limit deformation, enhance integrity and anti-fatigue performance, improve anti-rutting capacity and prolong the service life.

The invention provides a recycled mixture mix proportion design method based on long-term service performance, which is characterized in that ruts and cracks of an asphalt mixture are quantified by utilizing a dynamic modulus test, so that a regression relationship between various viscoelastic parameters and the ruts and cracks of the asphalt mixture is established, and the water stability is detected. The method comprises the following steps of: providing track (V track) and fatigue cracking (V fatigue) performance threshold values, applying the track (V track) and fatigue cracking (V fatigue) performance threshold values to engineering for verification and correction, providing threshold values meeting cracking and track performance requirements, detecting dynamic modulus changes before and after test piece condition treatment, comparing and evaluating the performance of the asphalt mixture, and obtaining an optimal interval of performance balance and a target asphalt amount.

The utility model provides an anti-rut asphalt concrete pavement grouting material device, and belongs to the technical field of grouting devices. Comprising a connecting frame, the connecting frame is fixedly sleeved with a mounting frame, a clearing scraper is arranged at the bottom of the connecting frame, a plurality of clearing scraping grooves are formed in the inner wall of the clearing scraper, a collecting arc plate is arranged at one end of the clearing scraper, and an adjusting sliding plate is slidably arranged on the outer wall of the clearing scraper; cleaning scrapers are arranged at one end of the elastic arc plate and are distributed at one end of the adjusting sliding plate in a linear array. Through the arrangement of the cleaning part, slurry attached to the surface of the road rake can be scraped and cleaned through the cleaning part, the situation that the slurry is attached to the road rake due to viscidity, consequently, the slurry is hardened on the surface of the road rake, and the scraping effect of the road rake used next time is affected can be avoided, and the cleaning requirements of road rakes of different sizes can be met; and the use limitation of cleaning parts can be reduced.

This invention discloses a multi-dimensional adjustable rut covering mechanism, comprising a fixed base and two covering plates; each covering plate is connected to a first adjusting plate with a first arc hole, which allows adjustment of the opening and closing angle between the two covering plates; it also includes a movable base and a transition plate; the movable base is connected to the fixed base via a height adjustment mechanism; the two transition plates are rotatably mounted on the movable base; each movable base is equipped with a covering plate, and a second adjusting plate is fixed on the covering plate to adjust the angle of the covering plate relative to the transition plate; the first adjusting plate is fixedly installed relative to the transition plate. Based on the three-dimensional adjustment structure, the posture of the covering plates can be effectively adjusted as needed to adapt to the rut characteristics and covering requirements of different tractor models. The connection structure and connection sequence between the movable base, transition plate, and covering plates are reasonably configured, resulting in a compact structure with high reliability and convenient adjustment.

The utility model discloses an asphalt anti-rut agent adding device, and relates to the technical field of asphalt processing, the asphalt anti-rut agent adding device comprises a shell, a weighing cylinder is slidably connected in the shell, four rotating shafts are rotatably connected to the bottom end in the weighing cylinder, the outer sides of the four rotating shafts are fixedly connected with baffles, and the baffles are fixedly connected to the outer sides of the four rotating shafts. Two second connecting rods are arranged on one side of the weighing cylinder, two pull rods are hinged to one sides of the two second connecting rods, one ends of the four rotating shafts penetrate through the weighing cylinder and are fixedly connected with the four pull rods, a storage hopper is fixedly connected to the top of the shell, and a first spiral conveying rod is rotationally installed on one side of the interior of the shell. According to the asphalt anti-rut agent adding device, the second connecting rod is pulled to drive the pull rod to rotate and swing, so that the multiple baffles are controlled to open or close the bottom of the weighing cylinder, and the weighed materials are conveniently discharged while the materials are weighed.

Equipment (100) is provided for filling an elongate hole in the ground, such as a rut formed by the wheel of an irrigation pivot. A sled (108) includes a pair of ground engaging skids (116) with an opening (118) therebetween and a chute (122) above the opening (118). A bottom discharge hopper (106) with a controlled door arrangement (138) at an outlet (120) is provided on a wheeled trailer chassis (104) to feed filling material into the chute (122). The sled (108) has a pulling beam (110) pivotably fastened to an underside of the chassis (104). A grading shoulder (134) provides a back edge of the opening to level the material deposited into the hole.

The invention provides a desert temporary road construction method based on watering and sand stabilization, and relates to the technical field of desert area temporary road construction, and the method comprises the following steps: S1, selecting a route and treating a roadbed: selecting a temporary road route in a desert area, removing a loose sand layer on the surface of the road route, and treating the roadbed; a sand layer with the bottom relatively solidified is exposed to serve as a road subgrade and a sand stabilization layer; s2, obtaining a water source: obtaining the water source through roadside drilling wells or through remote transportation of a waterwheel; s3, water spraying treatment and compaction: uniformly spraying water to wet the surface of the sand layer, and compacting the sand layer after water spraying; and S4, maintenance and repair: during the use of the road, watering maintenance is performed every day, scraping treatment is performed after the sinking amount of the rut position exceeds a target range, and then the step S3 is repeated, and the method has the beneficial effects of being rapid in construction, low in cost and environmentally friendly.

The application discloses a kind of semi-rigid base asphalt pavement rut cause step-by-step diagnostic method, comprising: the cause element corresponding to the analysis of four types of rut is classified and constructed rut disease cause library and key rut diagnostic index system;Call cause library and index system, carry out rut diagnosis first step: road section basic information investigation, the cause of rut disease is preliminarily diagnosed through environment, linear information etc.;Carry out rut diagnosis second step: overall data comprehensive analysis, the cause of rut disease is diagnosed through the comprehensive analysis of historical data and detection data;Carry out rut diagnosis third step: target area fine test diagnosis, the cause of rut disease is fine judged through supplementary detection and coring test, combined with rut type-layer position-cause classification method.This application realizes progressive diagnosis from surface to inside, from simple to complex by step-by-step diagnostic method, can accurately judge the cause of rut section, provides accurate basis for targeted maintenance decision.

The invention discloses an ultra-thin asphalt wearing layer dynamic stability correction method considering non-uniform load, which comprises the following steps: step 1, comparing vertical stress of a pavement structure containing an ultra-thin wearing layer under the conditions of non-uniform load and uniform load, and calculating a vertical stress influence coefficient, establishing a vertical stress influence coefficient empirical model considering the thickness effect of the ultrathin wearing layer; 2, grading correction factors are selected according to road engineering grades and / or climate conditions; 3, calculating a non-uniform load influence coefficient based on a vertical stress influence coefficient empirical model and a selected grading correction factor; and 4, correcting the dynamic stability of the ultra-thin wearing layer material obtained by carrying out the rutting test by using the non-uniform load influence coefficient to obtain the corrected dynamic stability of the ultra-thin wearing layer material. According to the method, the high-temperature rutting resistance of the asphalt mixture under the action of the non-uniform load can be evaluated, so that the material strength and fatigue design of the ultrathin wearing layer are more accurate.

The invention discloses a method for evaluating the coordinated deformation behavior of an embedded sensor and an asphalt mixture, and aims to solve the problem that a standard and accurate evaluation mode for the coordinated deformation behavior of the embedded sensor and the asphalt mixture does not exist at present. The evaluation method comprises the following steps: acquiring corresponding tire action times when an asphalt mixture rut test piece cracks, corresponding tire action times when a sensor is in a misalignment node and corresponding tire action times when the sensor is in a failure node as evolution evaluation indexes; calculating and evaluating the process of the coordinated deformation behavior between the sensor and the mixture by using the three evolution evaluation indexes; according to the method, the service life of the intelligent sensing structure of the embedded sensor under the conditions of different loads and loading frequencies can be obtained, so that the optimal embedding process and embedding position of the sensor and the mix proportion design or other related key parameters of a mixture matched with the deformation of the sensor can be subsequently determined; accurate data support is provided for the design of a long-service-life and high-precision intelligent road embedded sensing system.

The invention belongs to the technical field of pavement rut depth measurement, and discloses a pavement rut depth measurement method. Obtaining a size scaling coefficient and an installation deviation angle through experimental calibration; acquiring an image, cutting the image, preprocessing the image, extracting a light strip center line, and converting coordinates to obtain a cross section profile curve; calculating an envelope line according to the point-by-point coordinates of the cross section profile curve; respectively calculating the left and right sides of the cross section, and combining the calibrated installation deviation angle to obtain the rut depth. The method provided by the invention can effectively solve the problem of accuracy loss of the rut depth calculation result caused by angle errors in the installation process. Meanwhile, the rut depth of the left wheel track and the rut depth of the right wheel track can be calculated at the same time, manual operation is simplified, and the requirement of the current industry standard is met. The method is easy to implement and higher in precision, and the application requirement is met.

The utility model provides a high-temperature anti-rutting deformation performance testing mechanism which comprises a testing device, an environment temperature and humidity control device, a loading speed and load control device and a data acquisition and analysis device, and the testing device is used for acquiring anti-rutting deformation performance data of an asphalt test piece; the environment temperature and humidity control device is used for adjusting the temperature and humidity of the surrounding environment of the asphalt test piece, and the loading speed and load control device is used for applying continuous load to the asphalt test piece so as to simulate performance tests under different traffic load conditions; the data acquisition and analysis device is used for acquiring, processing and analyzing the anti-rutting deformation performance data so as to evaluate the high-temperature stability of the asphalt test piece. The high-temperature anti-rutting deformation performance testing mechanism realizes comprehensive evaluation of the anti-rutting deformation performance of the asphalt test piece under a high-temperature condition, and has important significance for improving the engineering quality of a pavement prepared from the asphalt test piece.

This invention discloses a testing method for recycled asphalt thin-layer overlay materials based on three-dimensional fitting, belonging to the field of road engineering material performance testing technology. The method includes: S1, preparing standard rutting slab specimens; S2, conducting accelerated loading tests, determining the initial friction coefficient, recording the number of loading cycles and rutting depth, and measuring the friction coefficient at preset nodes to construct a dataset (,,,). S3, establishing a three-dimensional prediction model through nonlinear regression; S4, obtaining the on-site rutting depth and cumulative load, substituting them into the model to obtain the predicted friction coefficient value, and evaluating the skid resistance and durability performance accordingly. This invention achieves dynamic prediction of skid resistance and durability through three-dimensional fitting of the number of loading cycles, rutting depth, and friction coefficient, overcoming the static limitations of single-point testing.

The invention discloses a permeable anti-rut agent and a preparation method thereof. The anti-rut agent is prepared from 10 to 30 parts of modified asphalt, 30 to 50 parts of trans-polyisoprene, 10 to 20 parts of nano inorganic filler, 5 to 15 parts of plasticizer, 5 to 15 parts of fiber material, 1 to 5 parts of surfactant, 0.5 to 2 parts of anti-aging agent and 0.5 to 2 parts of silane coupling agent. The anti-rut agent can significantly improve the high-temperature stability of an asphalt pavement and reduce formation and development of ruts, microcracks and pores of the pavement can be repaired due to good permeability of the anti-rut agent, the tensile strength and shear resistance of the pavement are enhanced by the fiber material, the service life is prolonged by the anti-aging agent, and the strength of a composite material is improved by the silane coupling agent. The reasonable proportion of the TPI and the modified asphalt, the dispersion of the nano filler and the use of the silane coupling agent are key to performance improvement.

The utility model provides a kind of asphalt mixture rut sample forming machine, it is related to rut sample forming machine technical field, including workbench, the inside of workbench is provided with lifting assembly, the top of lifting assembly is provided with steel mould box, the top of workbench is opened with sliding slot, the inside sliding connection of sliding slot has steel mould box;The top of workbench is fixedly installed with support frame, the side of support frame close to workbench is provided with pressing plate, the top of pressing plate is fixedly installed with multiple pressure sensors.In the utility model, on the one hand, by setting lifting assembly and the mutual cooperation of push plate, the existing device can improve working quality as far as possible, under the condition of no stop, efficient pressing is carried out, on the other hand, by setting pressure sensor at pressing plate, the pressure in pressing process is detected in real time, the uneven stress condition is avoided, and the final forming quality is affected.

1. The name of the design product: micro-rotation type land leveler. 2. The use of the design product: used for leveling the ruts produced by the tractor when sowing wheat. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view. 5. The bottom surface of the design product is the part that is not easy to see or cannot be seen during use, and the top view is omitted.