A new jersey barrier sling and hoisting process

Abstract

The present application relates to the technical field of guardrail lifting appliance, and relates to a New Jersey guardrail lifting appliance and intelligent lifting process, through cooperation of the lifting appliance structure and the embedded part embedded in the guardrail, and the hooks arranged on the two end points and the middle point of the connecting rope, two opposite forces are respectively generated between the lifting appliance structure on both sides of the guardrail and the crane, so that the clamping and locking of the guardrail are realized; then the route planning module is used to realize the best driving route between the placement position of the crane on the guardrail as the starting point and the installation position of the guardrail as the middle point, so as to reduce the influence of environmental factors on the stability of the guardrail; then the leveling module of the control system of the crane is used to realize the calculation of the inclination angle and the ground contact area of the guardrail after the lifting of the guardrail according to the three-dimensional model, so as to estimate the balance state of the guardrail, and an adjustment scheme is generated for the unbalanced guardrail, so that the unbalanced guardrail is leveled, so that the ground contact area of the guardrail when being placed is not damaged.

Description

Technical Field

[0001] This invention belongs to the field of guardrail lifting equipment technology, specifically relating to a New Jersey guardrail lifting equipment and lifting process. Background Technology

[0002] New Jersey guardrails are concrete wall-like panels commonly used in the median strips of highways, primarily serving to separate traffic flow and prevent collisions.

[0003] At outdoor fence construction sites in New Jersey, hoisting operations are a crucial step. Due to the weight, shape, and size of the fences, strict precision control is essential during hoisting to ensure they are lifted smoothly and accurately and placed in the designated position. Improper balance control of the lifting equipment or angular deviations during hoisting will directly lead to deviations in the fence's landing position, potentially causing damage such as indentations, abrasions, or even cracks. Furthermore, deviations in the hoisting angles of individual or multiple fence sections can affect the overall stability of the subsequent fence installations. More importantly, during subsequent use, damage to the fence upon landing and hoisting angle deviations can lead to instability in the event of a traffic accident, compromising its crashworthiness and reducing its ability to prevent vehicles from veering off the road, thus increasing the risk of rollover accidents.

[0004] Currently, on outdoor construction sites, the operation of cranes relies on the experience and skills of the operators. Moreover, the variability of the outdoor construction environment, especially in windy areas, can cause the guardrails to become unstable during the lifting process, making it easy for the guardrails to tilt when the crane lowers them.

[0005] Therefore, a lifting tool and lifting process are needed to solve the problems existing in the current technology and achieve precise control of the guardrail lifting process. Summary of the Invention

[0006] To address the aforementioned problems in the existing technology, this invention provides a New Jersey guardrail lifting device and an intelligent lifting process.

[0007] The objective of this invention can be achieved through the following technical solution: the lifting device includes a lifting device structure, an embedded part set in the guardrail and cooperating with the lifting device structure, a crane connected to the embedded part, and a control system for controlling the crane;

[0008] The lifting device structure includes a counterweight, a lifting ring, and a main body, with the main body and the counterweight respectively disposed on both sides of the lifting ring; the main body is C-shaped, and a limit assembly is provided at the lower end of the main body;

[0009] The embedded part includes a balance groove and a limiting groove, the balance groove is above the limiting groove, and the limiting groove and the balance groove are communicated through a connecting groove, the balance groove is used for accommodating a balance block, the limiting assembly extends into the limiting groove, and the limiting groove limits the limiting assembly.

[0010] The crane includes a connecting rope, the connecting rope is used for connecting the lifting rings of the lifting tool structures placed at the two ends of the guardrail, three hooks are arranged on the connecting rope at two end points and a middle point, respectively, and the hooks at the two ends are connected with the lifting rings of the lifting tool structures clamped at the two ends of the guardrail.

[0011] Preferably, the limiting assembly includes a sliding assembly, two limiting blocks slidingly arranged on the sliding assembly, and a limiting controller for controlling the movement of the two limiting blocks on the sliding assembly, the limiting controller is electrically connected with and controlled by the control system of the crane, and the limiting controller controls the two limiting blocks to relatively approach or relatively move away according to the instruction of the control system of the crane.

[0012] Preferably, the control system of the crane includes a scanning module, a drawing module, a route planning module and a trimming module.

[0013] The scanning module performs three-dimensional scanning on the hoisting environment and the guardrail in hoisting, respectively, and generates three-dimensional point cloud data.

[0014] The drawing module extracts the three-dimensional point cloud data uploaded by the scanning module to draw a three-dimensional model of the hoisting environment and adds the model of the guardrail in hoisting to the three-dimensional model of the environment.

[0015] The route planning module generates the best running route of the starting point and the ending point of the guardrail according to the coordinate system of each point in the three-dimensional model.

[0016] The trimming module calculates the balance state of the guardrail according to the model of the environment and the hoisted guardrail, and generates an adjustment scheme for the guardrail that needs to be trimmed.

[0017] Preferably, the calculation conditions for generating the best route by the route planning module include the road flatness, the number of obstacles and the height of each obstacle in the multiple routes.

[0018] Preferably, the judgment of the balance state of the hoisted guardrail by the trimming module includes calculating the inclination angle and the ground contact area of the guardrail relative to the horizontal plane in the three-dimensional point cloud data, the trimming module is pre-set with an inclination angle threshold and a ground contact area threshold, and the trimming module generates an adjustment scheme for the guardrail with an inclination angle greater than the inclination angle threshold and a ground contact area less than the ground contact area threshold.

[0019] Preferably, the control system of the crane further comprises a detection module, the detection module comprising tension detectors for detecting the tension on both sides of the midpoint of the connecting rope, and the two tension detectors are electrically connected to the control system of the crane and upload data.

[0020] An intelligent hoisting process, comprising the following steps:

[0021] S1: using a three-dimensional laser scanner to perform three-dimensional scanning on the hoisting environment to obtain three-dimensional point cloud data, and performing denoising and filtering processing on the point cloud data;

[0022] S2: the control system of the crane draws a three-dimensional model of the hoisting environment according to the three-dimensional point cloud data, simulates the hoisting route according to the three-dimensional model, and generates an optimal hoisting route;

[0023] S3: installing the lifting tool in the pre-embedded parts on both sides of the guardrail, locking the lifting ring of the lifting tool structure using the hooks on both ends of the connecting rope, locking the hooks of the crane and the midpoint of the connecting rope, and lifting the crane;

[0024] S4: the three-dimensional laser scanner adds the three-dimensional point cloud data of the hoisted guardrail to the hoisting environment to generate a three-dimensional model of the hoisted guardrail and calculate the inclination angle of the guardrail according to the three-dimensional model;

[0025] S5: the control system of the crane estimates the balance state of the guardrail according to the inclination angle of the guardrail, and determines whether the balance state of the guardrail needs to be adjusted;

[0026] S6: the control system of the crane adjusts the balance state of the guardrail;

[0027] S7: the crane hoists according to the optimal hoisting route.

[0028] Preferably, the three-dimensional laser scanner comprises scanning of the whole hoisting process, and the control system of the crane judges and adjusts the balance state of the guardrail in real time.

[0029] The beneficial effects of the present application are:

[0030] The application provides a New Jersey guardrail lifting appliance and intelligent lifting process, the lifting appliance part is matched with the lifting appliance structure and the embedded part embedded in the guardrail, and the hooks arranged on the two end points and the middle point of the connecting rope are matched, the hooks of the two end points are connected with the lifting rings of the lifting appliance structures arranged on the two sides of the guardrail respectively, the middle point hook of the connecting rope is lifted by the hook of the lifting machine, the lifting appliance structures on the two sides of the guardrail and the connecting rope generate two opposite forces on the two sides of the guardrail respectively, so that the clamping and locking of the guardrail are realized; the route planning module arranged in the control system of the lifting machine is used to realize the best driving route of the lifting machine between the placement position of the guardrail as the starting point and the installation position of the guardrail as the middle point, so as to reduce the influence of environmental factors between the starting point and the middle point on the stability of the guardrail; the leveling module of the control system of the lifting machine is used to realize the calculation of the inclination angle and the ground contact area of the guardrail after the lifting of the module according to the three-dimensional model, so as to estimate the balance state of the guardrail, and generate an adjustment scheme for the unbalanced guardrail, so as to level the unbalanced guardrail, so as to ensure that the ground contact area of the guardrail is greater than the ground contact area threshold, and the ground contact area of the guardrail is not damaged when the guardrail is placed. The damage of the guardrail itself and the lifting precision are reduced, and the subsequent effect of the guardrail can be effectively played out. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to facilitate the understanding of those skilled in the art, the application will be further described below with reference to the drawings.

[0032] Fig. 1 It is a sectional view of the embedded part of the application.

[0033] Fig. 2 It is a structural schematic view of the lifting appliance structure of the application.

[0034] Fig. 3 It is a system block diagram of the control system of the crane of the application.

[0035] Explanation of main element symbols

[0036] In the figure: 1, balance groove; 2, limiting groove; 3, connecting groove; 4, balance block; 5, lifting ring; 6, limiting block. DETAILED DESCRIPTION

[0037] In order to further illustrate the technical means and effects adopted by the application to achieve the predetermined application purpose, the specific embodiments, structures, features and effects of the application will be described in detail below with reference to the drawings and preferred embodiments.

[0038] In order to improve the stability of New Jersey guardrail in the lifting process, the embedded part is used in cooperation with a C-shaped lifting appliance. The lifting of the New Jersey guardrail usually occurs in the production stage and the installation stage. In the installation stage, the guardrail needs to be lifted from the storage position to the transport vehicle or lifted from the transport vehicle to the installation position for subsequent installation.

[0039] Please refer to Figs. 1-3 The embodiment provides a New Jersey guardrail lifting appliance for lifting the New Jersey guardrail. The lifting appliance comprises a lifting appliance structure, an embedded part arranged in the guardrail and matched with the lifting appliance structure, a lifting machine connected with the embedded part, and a control system for controlling the lifting machine.

[0040] Please refer to Fig. 2 The lifting appliance structure comprises a balance block 4, a lifting ring 5, and a main body. The main body and the balance block 4 are arranged on the two sides of the lifting ring 5, respectively. The main body is in a C shape. The lower end of the main body is provided with a limiting assembly. The embedded part comprises a balance groove 1 and a limiting groove 2. The balance groove 1 is located above the limiting groove 2. The embedded part is integrally made of a concrete reinforcing bar and is poured and formed together with the concrete guardrail. The embedded part is anchored in the concrete by an anchoring part. The limiting groove 2 and the balance groove 1 are communicated through a connecting groove 3. The width of the limiting groove 2 and the balance groove 1 is greater than that of the connecting groove 3.

[0041] In order to facilitate installation, the limiting assembly comprises a sliding assembly, two limiting blocks 6 slidingly arranged on the sliding assembly, and a limiting controller for controlling the movement of the two limiting blocks 6 on the sliding assembly. The limiting controller is electrically connected with and controlled by the control system of the lifting machine. The limiting controller controls the two limiting blocks 6 to relatively approach or relatively move away from each other under the control of the control system of the lifting machine. During lifting, the operator needs to pass the two limiting blocks 6 of the limiting assembly of the lifting appliance structure through the balance groove 1, the connecting groove 3, and then the limiting groove 2 from top to bottom. At this time, the two limiting blocks 6 are in the approaching state. The two limiting blocks 6 enter the limiting groove 2 through the connecting groove 3. The balance block 4 of the lifting appliance structure is clamped at the upper end of the balance groove 1. The limiting controller controls the two limiting blocks 6 to move in the same straight line and away from each other on the sliding assembly under the control of the control system of the lifting machine. Until the two limiting blocks 6 abut against the two side walls of the limiting groove 2, respectively, that is, the two limiting blocks 6 are located at the two relative positions of the two side walls of the limiting groove 2, respectively. Since the width of the connecting groove 3 is less than that of the limiting groove 2, the limiting groove 2 and the connecting groove 3 are limited. That is, the two limiting blocks 6 are limited in the two side positions of the limiting groove 2, respectively, and clamped. In order to prevent the two limiting blocks 6 from moving in the limiting groove 2 and affecting the connection stability of the limiting blocks 6, and further affecting the stability of the lifting of the lifting appliance structure.

[0042] The crane includes a connecting rope for connecting the lifting ring 5 of the lifting tool structure placed at both ends of the guardrail, three hooks are arranged on the connecting rope at the two end points and the midpoint position respectively, the hooks at both ends are connected with the lifting ring 5 of the lifting tool structure clamped at both ends of the guardrail, and then the hook at the midpoint of the connecting rope is locked by using the hook of the crane, and the crane is lifted. At this time, due to the tension of the connecting rope, a relative force is generated between the lifting tool structures clamped in the embedded parts on both sides of the guardrail, so that the two limiting blocks 6 can generate a downward force in the limiting groove 2, and the two limiting blocks 6 can be limited in the limiting groove 2. The balancing block 4 of the lifting tool structure arranged in the embedded part on both sides of the guardrail is also clamped tightly with the guardrail due to the relative force. In order to ensure the cooperation between the lifting tool structure and the embedded part, the size cooperation between the embedded part and the lifting tool structure needs to be strictly controlled when designing the size of the embedded part.

[0043] Further, in the lifting operation, the operation route planning of the crane is crucial. First, it can ensure that the crane avoids obstacles such as buildings, equipment or other lifting objects during the operation, thereby avoiding potential collisions and accidents. Second, by optimizing the operation route, the lifting efficiency can be improved, and unnecessary movement and waiting time can be reduced. Finally, precise operation route planning can also help the crane to accurately position the starting point and the end point of the guardrail, ensuring the accuracy and safety of the lifting operation.

[0044] Please refer to Fig. 3 The control system of the crane includes a scanning module, a drawing module, a route planning module and a balancing module. The scanning module performs three-dimensional scanning on the lifting environment and the guardrail in the lifting through a three-dimensional laser scanner and generates three-dimensional point cloud data. The drawing module draws a three-dimensional model of the lifting environment according to the three-dimensional point cloud data uploaded by the scanning module and adds the guardrail model in the lifting to the three-dimensional model of the environment. The route planning module extracts the coordinate system of each point in the three-dimensional model to generate the best operation route for the crane to travel between the starting point and the end point of the guardrail.

[0045] Since there are many travel routes between the starting point and the end point of the guardrail, and many factors affect the selection of the travel route by the control system of the crane, including road flatness, number of obstacles, height and area of obstacles, the route planning module generates a best lifting route by considering many factors.

[0046] The route planning module can use Dijkstra algorithm to extract key information from the three-dimensional model of the environment and integrate it, including road flatness, obstacle quantity, height, and land area, etc. The collected data is preprocessed and converted into a format suitable for algorithm processing. The lifting environment is abstracted as a graph, where nodes represent the starting and ending positions of the guardrail, and edges represent movement from the starting position to the ending position and the corresponding cost, including time, distance, turning angle, and turning number. This is a composite index that combines multiple factors (distance, time, road flatness, obstacles, turning angle, and turning number, as well as obstacle quantity and height) to evaluate the pros and cons of different lifting routes. Then, the environmental factors are calculated based on road flatness, obstacle quantity, and height. For each edge, a weight is assigned to each edge based on the cost and environmental factors according to the weight calculation formula, and the weights are iterated. Dijkstra algorithm is applied to the constructed graph model to calculate the shortest path from the starting point to all other nodes, obtaining the best lifting route. The weight calculation formula is:

[0047] Weight = a x Time + b x Distance + g x Turning Angle + d x Turning Number + e x Road Flatness + z x Obstacle Impact; where a, b, g, d, e, and z are weight coefficients that are dynamically adjusted based on real-time road conditions, crane status, etc. The weight is a non-negative number, and a smaller weight corresponds to a better lifting route.

[0048] The above method for planning the best route should be implemented using a suitable programming language (such as Python or C++) and framework (such as PCL), and the system should be thoroughly tested to ensure that it works stably and generates accurate lifting routes under different conditions.

[0049] Of course, due to the complexity of the data, a corresponding data register is needed to store the calculated data and delete unnecessary data to reduce data redundancy.

[0050] The balancing module calculates the balance state of the guardrail based on the environmental model and the model of the lifted guardrail, and generates an adjustment plan for the guardrail that needs to be balanced. The balancing module judges the balance state of the lifted guardrail by calculating the inclination angle of the guardrail relative to the horizontal plane and the ground contact area in the three-dimensional point cloud data. The inclination angle is calculated by extracting the coordinates of the key nodes in the three-dimensional coordinate system and generating key edges from the coordinates, and then generating the inclination angle through the edge-angle relationship of the trigonometric function. The inclination angle here is the angle between the position of the guardrail and the horizontal line. The selection of the key edge can be the horizontal center axis of the guardrail bottom surface, so the inclination angle is the angle between the horizontal center axis of the guardrail bottom surface and the horizontal line.

[0051] The ground contact area of the bottom surface of the guardrail is also calculated by inputting the area of the bottom surface of the guardrail, and then inputting the inclination angle between the aforementioned central axis and the horizontal line, which is also the angle between the plane on which the bottom surface of the guardrail lies and the horizontal plane. The projection area of the ground contact area in the vertical direction is calculated by the area of the bottom surface of the guardrail and the inclination angle through the trigonometric function. Since the bottom surface of the guardrail is a flat rectangle and does not significantly deform due to the ground contact of the guardrail bottom surface, the projection area of the bottom surface of the guardrail in the vertical direction is the ground contact area without inclination angle change and shaking. Since the New Jersey guardrail is extremely heavy, if the ground contact area is below a certain threshold, the weight of the guardrail itself will affect the side of the guardrail in contact with the ground, causing the guardrail to deform or even break. Therefore, in addition to measuring the inclination angle of the hoisted guardrail, the ground contact area of the bottom surface of the guardrail also needs to be calculated to ensure that the hoisting state of the guardrail is normal, i.e. balanced. The inclination angle threshold and the ground contact area threshold are preset in the balancing module. The balancing module compares the inclination angle with the inclination angle threshold and generates an adjustment scheme for the hoisted guardrail when the inclination angle is greater than the inclination angle threshold and the ground contact area is less than the ground contact area threshold. When the inclination angle of the guardrail is greater than the inclination angle threshold and the ground contact area is less than the ground contact area threshold, it is proved that the guardrail is in an unbalanced state and needs to be adjusted. The adjustment scheme includes adjusting the pulley set on the crane to balance the moments at both ends of the guardrail or adjusting in other directions. According to the specific situation, the balance and adjustment of the guardrail are improved accordingly, and the hoisting of the guardrail is balanced. Of course, the inclination angle threshold and the ground contact area threshold of the guardrail are obtained through relevant hoisting construction standards or tests.

[0052] As mentioned earlier, three hooks are arranged on the connecting rope at equal intervals, with the three hooks located at the two endpoints and the midpoint of the connecting rope. The hook on the crane lifts the hook at the midpoint, and the hooks at the two ends of the connecting rope are connected to the lifting ring 5 of the lifting device structure embedded in the pre-embedded parts on both sides of the guardrail. Therefore, the hook of the crane lifts the hook at the midpoint, and the hook of the crane and the hooks at the two ends of the connecting rope form an isosceles triangle structure. Due to the stability of the triangle, the limiting component of the lifting device structure is clamped in the limiting groove 2 of the pre-embedded part, and the balancing block 4 of the lifting device structure is clamped in the balancing groove 1 of the pre-embedded part. Since the pre-embedded parts are embedded on both sides of the guardrail, the hook of the crane and the two sides of the guardrail form a force in opposite directions, and the two opposite forces act on the same horizontal line on the upper surface of the guardrail, achieving locking of the guardrail and ensuring the stability of the hoisting.

[0053] In order to facilitate the control system of the crane to grasp the tension of the two rope sections on both sides of the midpoint of the connecting rope so as to better grasp the balance state of the guardrail and the subsequent generation of the adjustment scheme by the balancing module, the control system of the crane further comprises a detection module, which comprises a tension detector for detecting tension. The tension detectors are arranged at the midpoint of the connecting rope and at the middle position between the two end points of the connecting rope. The two tension detectors are electrically connected to the control system of the crane and upload data. The balancing module generates an adjustment scheme according to the tension data uploaded by the two tension detectors. Due to frequent use, the same force in the same direction acts on the two different connecting ropes, and the extension length of the connecting rope changes. Therefore, even if the weights of the two ends of the guardrail have been balanced, the weight balancing body is symmetrically arranged on both sides of the guardrail by the structure of the lifting device, and the two sides of the guardrail are theoretically symmetrical. Therefore, it is concluded that the force on the guardrail in the two connecting ropes is the same in size. However, due to the slight change in the extension length of the two connecting ropes, the length of the two originally equal connecting ropes is different. From the relationship between force and torque, when the force is the same and the torque is different, the balance between the two forces is broken. As mentioned above, two opposite forces are generated on the guardrail by the two connecting ropes. Due to the change in torque, the two opposite forces are not the same in theory. Therefore, by arranging the tension detectors on the two connecting ropes, the detection of the two tensions is realized, and the calculation of the directionally opposite forces generated on the guardrail is further realized. This facilitates the balancing module to judge the balance state of the guardrail and the subsequent adjustment scheme generated by the balancing module, that is, the adjustment of the crane control system to the pulley block on the crane, that is, the adjustment of the pulley block to balance the two tensions, and thus the leveling of the guardrail is realized.

[0054] Further, since wind force will affect the balance of the hoisted guardrail, in order to enable the balancing module to more comprehensively evaluate the balance state of the guardrail and to enable the subsequent balancing adjustment scheme to be adjusted in real time, the detection module further comprises a wind force detection sensor. The wind force detection sensor is electrically connected to the control system of the crane and uploads data. The wind force data uploaded by the wind force detection sensor includes wind direction and wind speed. By adding the wind force data in the hoisting environment to the judgment of the leveling module and the consideration factors for generating the adjustment scheme for the unbalanced guardrail, real-time judgment and adjustment are realized.

[0055] An intelligent hoisting process of a New Jersey lifting device, comprising the following steps:

[0056] S1: using a three-dimensional laser scanner to perform three-dimensional scanning on the hoisting environment to obtain three-dimensional point cloud data and to perform denoising and filtering processing on the point cloud data;

[0057] S2: the control system of the crane draws a three-dimensional model of the hoisting environment according to the three-dimensional point cloud data, simulates the hoisting route according to the three-dimensional model, and generates an optimal hoisting route;

[0058] S3: Install the lifting appliance in the pre-buried parts on both sides of the guardrail, lock the lifting ring 5 of the lifting appliance structure using the hooks at both ends of the connecting rope, lock the hooks of the lifting machine and the connecting rope midpoint, and lift the machine;

[0059] S4: The three-dimensional laser scanner adds the three-dimensional point cloud data of the lifted guardrail to the hoisting environment to generate a three-dimensional model of the guardrail in hoisting and calculates the inclination angle of the guardrail according to the three-dimensional model;

[0060] S5: The control system of the lifting machine estimates the balance state of the guardrail according to the inclination angle of the guardrail and determines whether the balance state of the guardrail needs to be adjusted;

[0061] S6: The control system of the lifting machine adjusts the balance state of the guardrail;

[0062] S7: The lifting machine completes the hoisting according to the optimal hoisting route.

[0063] In the hoisting process, the balance state of the guardrail during hoisting needs to be ensured, and a three-dimensional laser scanner is used to scan the entire hoisting process, and the control system of the lifting machine judges the balance state of the guardrail in real time and adjusts it.

[0064] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as above, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content without departing from the scope of the present application, and any simplification, modification, equivalent change and modification of the above embodiment within the scope of the present application are still within the scope of the present application.

Claims

1. A New Jersey guardrail spreader characterized by, The crane includes a sling structure, a pre-embedded part arranged in the guardrail and matched with the sling structure, a crane connected with the pre-embedded part, and a control system for controlling the crane; The sling structure includes a balance block, a sling ring and a main body, the main body and the balance block are arranged on both sides of the sling ring respectively, the main body is in a "C" shape, and a limiting assembly is arranged at the lower end of the main body; The pre-embedded part includes a balance groove and a limiting groove, the balance groove is above the limiting groove, the limiting groove and the balance groove are communicated through a connecting groove, the balance groove is used for accommodating the balance block, the limiting assembly extends into the limiting groove, the limiting groove limits the limiting assembly, and the pre-embedded part is arranged at both ends of the New Jersey guardrail respectively; The crane includes a connecting rope, the connecting rope is used for connecting the sling rings of the sling structures arranged at both ends of the guardrail, three hooks are arranged at the two end points and the middle point of the connecting rope respectively, and the hooks at the two ends are connected with the sling rings of the sling structures arranged at both ends of the guardrail respectively. The control system of the crane includes a scanning module, a drawing module, a route planning module and a balancing module; The scanning module performs three-dimensional scanning on the hoisting environment and the guardrail in the hoisting respectively and generates three-dimensional point cloud data; The drawing module extracts the three-dimensional point cloud data uploaded by the scanning module to draw a three-dimensional model of the hoisting environment and adds the model of the guardrail in the hoisting to the three-dimensional model of the environment; The route planning module generates the best running route of the starting point and the ending point of the guardrail according to the coordinate system of each point in the three-dimensional model; The balancing module calculates the balance state of the guardrail according to the model of the environment and the model of the hoisted guardrail and generates an adjustment scheme for the guardrail that needs to be balanced; The balancing module judges the balance state of the hoisted guardrail by calculating the inclination angle and the ground contact area of the guardrail relative to the horizontal plane in the three-dimensional point cloud data, the balancing module is pre-set with an inclination angle threshold and a ground contact area threshold, the balancing module compares the inclination angle with the inclination angle threshold and generates an adjustment scheme for the guardrail with an inclination angle greater than the inclination angle threshold and a ground contact area less than the ground contact area threshold.

2. A New Jersey barrier hoist according to claim 1, wherein, The limiting assembly includes a sliding assembly, two limiting blocks slidingly arranged on the sliding assembly and a limiting controller for controlling the movement of the two limiting blocks on the sliding assembly, the limiting controller is electrically connected with and controlled by the control system of the crane, and the limiting controller controls the two limiting blocks to relatively approach or relatively move away under the instruction of the control system of the crane.

3. A New Jersey barrier hoist according to claim 1, wherein, The calculation conditions for generating the best route by the route planning module include the road surface flatness, the number of obstacles and the height of each obstacle in the multiple routes.

4. A New Jersey barrier hoist according to claim 3, wherein, The control system of the crane further includes a detection module, the detection module includes tension detection gauges, the tension detection gauges are used for detecting the tension on both sides of the middle point of the connecting rope, and the two tension detection gauges are electrically connected with the control system of the crane and upload data.

5. A New Jersey barrier hoist according to claim 4, wherein, The detection module further includes a wind power detection sensor, the wind power detection sensor is electrically connected with the control system of the crane and uploads wind power data of the hoisting environment, and the wind power data includes wind direction and wind speed.

6. A smart hoisting process of New Jersey barrier, using the New Jersey barrier hoist of any one of claims 1-5. The method includes the following steps: S1: use a three-dimensional laser scanner to scan the hoisting environment to obtain three-dimensional point cloud data and perform denoising and filtering on the point cloud data; S2: the control system of the crane draws a three-dimensional model of the hoisting environment according to the three-dimensional point cloud data, simulates the hoisting route according to the three-dimensional model, and generates an optimal hoisting route; S3: install the lifting tool in the pre-embedded part on both sides of the guardrail, lock the lifting ring of the lifting tool structure using the hooks at both ends of the connecting rope, lock the hooks at the midpoint of the connecting rope and the hook of the crane, and then hoist the crane; S4: the three-dimensional laser scanner adds the three-dimensional point cloud data of the hoisted guardrail to the hoisting environment point cloud data, generates a three-dimensional model of the hoisted guardrail, and calculates the inclination angle of the guardrail according to the three-dimensional model; S5: the control system of the crane estimates the balance state of the guardrail according to the inclination angle of the guardrail, and determines whether the balance state of the guardrail needs to be adjusted; S6: the control system of the crane adjusts the balance state of the guardrail; S7: the crane hoists according to the optimal hoisting route.

7. A smart lifting process of a New Jersey spreader as claimed in claim 6, wherein, The three-dimensional laser scanner is used for scanning the entire hoisting process, and the control system of the crane judges and adjusts the balance state of the guardrail in real time.

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