66 results about "Trunk structure" patented technology

A system for dehydration of organic material comprises a housing structure having an interior chamber, a supply duct, a dual trunk structure, a dry air intake, a central recirculation duct, and a plurality of side recirculation ducts. The side recirculation ducts each have a return plenum extending downward from a top recirculation duct and are configured to recirculate interior air contained in the chamber. The interior air enters the side recirculation ducts through the return plenums and is pushed upward and outward through the top recirculation ducts and back into the interior chamber. The interior chamber has a plurality of exhaust vents positioned in the upper region of its walls. A plurality of portable platforms positioned inside the interior chamber are configured to hold the organic material. The floor of the housing structure can include a plurality of tracks for loading, unloading and positioning the portable platforms.

The invention relates to the technical field of fruit tree pruning, in particular to an automatic fruit tree pruning system based on machine vision, which comprises a camera used for capturing fruit tree images and determining specific positions of fruits, branches and leaves. And the image processing module is used for identifying branch structures through an image processing technology and identifying branches and leaves needing to be pruned. And the decision making module is used for calculating a cutting path and a driving path of the trimmer and the driving vehicle from the current position to the target position according to a result of the image processing module. And the intelligent control module is used for controlling the trimmer and the driving vehicle to move to a target position to trim branches and leaves according to the information provided by the decision making module, and avoiding fruits and branches and leaves which do not need to be trimmed in the trimming process. By accurately identifying the branch structure of the fruit tree, the angle and force of the trimmer are adjusted in real time, fruits of the fruit tree and branches and leaves which do not need to be trimmed are avoided, trimming is more accurate, and the healthy growth state of the fruit tree can be maintained.

Disclosed is a customizable decorative tree, a customizable decorative tree is provided, which includes a trunk, a base, and a top section. The trunk is formed from a plurality of individual tree sections that are designed for selective sectional assembly and disassembly. Adjacent tree sections are connected using a shared mechanical connector and a corresponding electrical connector. This integrated system facilitates both robust structural connection and the simultaneous transmission of electrical power through the assembled trunk and base. The tree sections may have varying heights and diameters, allowing a user to customize the trunk to achieve a natural appearance or a unique style. By integrating the electrical power transmission within the structure of the trunk, the design eliminates the need for external wiring, thereby enhancing safety and aesthetics.

The invention discloses a bionic trunk bimodal movable cooperative mechanical arm system, which realizes safe carrying and cooperative transfer of 100kg-level human bodies or objects through a multi-section trunk structure, bimodal support and an intelligent cooperative algorithm. The system supports 3-6 degree-of-freedom configuration and a polymorphic end effector, can be provided for a hospital version and a civil version according to use requirements, and greatly reduces the cost compared with similar products. The anti-overturning capacity under the hexagonal supporting form is far higher than that of a traditional four-corner design, and the double-arm cooperation efficiency is greatly improved. The robot is suitable for scenes such as medical care, family old-age assistance and public rescue, and safe lifting, transferring and cooperative carrying of the human body or the heavy object are achieved through highly-bionic kinematics design and an intelligent cooperative algorithm.

The utility model provides a robot trunk structure and a robot, and relates to the technical field of robots. The robot trunk structure comprises a trunk assembly and a battery box arranged on the trunk assembly, the trunk assembly comprises a main plate and two opposite side plates arranged on the main plate, the battery box is fixed between the two side plates, the battery box is provided with a first surface, a second surface and a third surface, the second surface and the third surface are opposite, the first surface is attached to the main plate, and the third surface is attached to the main plate. The second surface and the third surface are attached to the two side plates respectively. In the robot trunk structure, the three outer surfaces of the battery box are attached to the main plate and the two side plates of the trunk assembly correspondingly, then the battery box can play a role in resisting deformation of the trunk assembly and enhancing the rigidity of the trunk assembly, and therefore the weight of the whole robot is reduced. Meanwhile, the trunk assembly also supports and protects the battery box, and a structure for supporting and protecting the battery box does not need to be additionally arranged, so that the weight of the whole machine is further reduced, and the structure of the whole machine is simplified.

The invention discloses an intelligent wheeled humanoid robot as a home-based care appliance, and relates to the technical field of robots. The robot specifically comprises a wheel type chassis walking mechanism and a robot upper body structure arranged on the wheel type chassis walking mechanism, and the robot upper body structure comprises a robot trunk structure and at least one robot arm mechanism arranged on the robot trunk structure; the robot further comprises a height adjusting mechanism, and the height adjusting mechanism is arranged between the wheel type chassis walking mechanism and the robot trunk structure and used for adjusting the vertical height of the robot trunk structure. A clamping jaw is installed at the tail end of the robot arm mechanism, a multi-mode touch sensor is integrated on the clamping jaw, and the multi-mode touch sensor is used for detecting physical characteristics of an object when the clamping jaw makes contact with the object. The invention aims to enable the wheeled robot to keep efficient moving ability and to adapt to multi-height operation requirements in a family environment.

Provided in the present invention is a rapid growth and early fruiting method for cocktail grapefruit. The method comprises: selecting a site and building a greenhouse, i.e., selecting a planting area, and building a rain shelter greenhouse; determining planting points, i.e., on the basis of the plant row spacing requirement of 3 m×2.7 m, determining the planting points in the greenhouse, and setting 78 planting points per Chinese acre; performing root-limiting cultivation, i.e., providing a composite root limiter at each planting point, and filling each composite root limiter with formulated substrate soil so as to cultivate cocktail grapefruit seedlings; cultivating a near-trunk fruiting tree form, i.e., during the transplanting of each cocktail grapefruit seedling, pruning the trunk of the cocktail grapefruit seedling 30-40 cm above a graft union, and selecting and retaining robust branches year after year so as to form a multi-layer trunk structure; and performing precise fertilization, i.e., using annular drip-irrigation pipes of the composite root limiters to replenish water and apply a formulated fertilizer. By means of using a composite structure where the composite root limiter is combined with an annular drip-irrigation device, the present invention solves problems in the prior art, such as the low utilization rate of a fertilizer caused by conventional fertilizer application during the planting process of cocktail grapefruit seedlings, and the poor quality of cocktail grapefruits produced by initial-fruited trees.

The utility model relates to the technical field of earthquake rescue, and discloses an earthquake module detection rescue mechanical device, which is characterized in that a searchlight and a sensor are arranged at the front end of a mainframe box, a lifting rear arm is rotationally arranged in the middle of the front end of the mainframe box, and the lifting rear arm is connected with a lifting front arm through a hinge structure; a first electric cylinder connected with the lifting front arm is arranged on a shell at the lower end of the lifting rear arm; the lifting front arm is connected with a mechanical front arm through a hinge structure, a second electric cylinder connected with the mechanical front arm is arranged on a front arm upper bracket at the upper end of the lifting front arm, an on-arm searchlight is installed outside the middle section of the mechanical front arm, and the free end of the mechanical front arm is rotationally connected with a mechanical gripper. A trunk structure internally provided with a movement control system is rotationally installed on the lower portion of the center of the main machine box through a steering head, steering engine connecting positions are arranged at the positions, close to the four corners, of the edge of the trunk structure, first supporting legs are connected into the steering engine connecting positions through hip knee joints, and ankle joints connected with second supporting legs are installed at the tail ends of the first supporting legs.

To prevent a worker from interfering with a striker.SOLUTION: A striker structure 10 is attached to a trunk structure 4 of a vehicle 1 and engages with a catcher 11 provided at an upper end 3U of a trunk lid 3 in a closed state of the trunk lid 3 to maintain the closed state of the trunk lid 3. The striker structure 10 includes: a striker part 12 which protrudes downward from an upper edge 7U of an opening 2A of a trunk chamber 2 and engages with the catcher 11 in the closed state of the trunk lid 3; a handrail part 13 which is connected to a lower end of the striker part 12, forms a rod-like shape extending to the inner side in a vehicle width direction along a ceiling surface of the trunk chamber 2, and is used to assist operation of a worker who works in the trunk chamber 2; and a cover member 14 which is formed by a cushioning material and covers an outer periphery of the hand rail part 13 along the vehicle width direction.SELECTED DRAWING: Figure 1

The application provides a four-legged crawling gecko robot and a control system thereof. The four-legged crawling gecko robot comprises a trunk structure, four symmetrically distributed leg structures, and four foot suction cups. The four-legged crawling gecko robot further comprises a motor driving system. A damping turntable is used as a waist joint for connecting a front trunk and a rear trunk of the trunk structure, so that the robot swings left and right. A longitudinal servo steering engine is used as a shoulder joint for connecting the trunk structure and the leg structure, so as to control the lifting and falling of the leg structure. A first transverse servo steering engine is used as an elbow joint for connecting the longitudinal servo steering engine and the leg structure, so as to drive the movement of the leg structure. A second transverse servo steering engine is used as a wrist joint for connecting the leg structure and the foot suction cup, so as to adjust the foot landing point position of the foot suction cup. The four-legged crawling gecko robot can realize flexible movement in a complex environment and maintain the stability of movement in a vertical plane.

The utility model relates to the technical field of wiring trunkings, and discloses a fire-fighting strong and weak current bridge wiring trunking structure, a lapping box is movably connected between supporting boxes, a clamping block is slidably installed at the joint of the supporting boxes and the lapping box, and rapid installation and clamping connection are achieved through the arrangement of the structures such as the supporting boxes, the lapping box and the clamping block. After the spring is stressed and contracted, the lapping box is inserted, the position of a square groove in the middle of the clamping plate B is overlapped with the position of the clamping block, the spring releases elastic force, the clamping block is ejected out, and the position between the supporting box and the lapping box is fixed, so that under the condition that the connection strength is not reduced, the installation time of an installation worker is shortened, and the installation speed of the installation worker is increased; and the effect of quick installation is achieved.

The invention discloses a quadruped robot, and belongs to the field of robots. Comprising a trunk structure and four leg structures, the trunk structure comprises a top cover shell, a first supporting plate piece, a second supporting plate piece, a connecting rod assembly and a bottom cover shell, the first supporting plate piece and the second supporting plate piece are distributed at intervals in the first direction, and the connecting rod assembly is located between the first supporting plate piece and the second supporting plate piece; the two opposite ends, in the first direction, of the connecting rod assembly are connected with the first supporting plate and the second supporting plate correspondingly, the top cover shell and the bottom cover shell are distributed in the third direction, and the top cover shell and the bottom cover shell are connected with the first supporting plate and the second supporting plate correspondingly. A mounting space is defined by the top cover shell, the bottom cover shell, the first supporting plate and the second supporting plate, and the connecting rod assembly is located in the mounting space; the first supporting plate and the second supporting plate are each connected with two leg structures, the two leg structures are distributed in the second direction in a spaced mode, and the leg structures are located outside the installation space.

The invention provides a single wood volume nondestructive measurement method based on a foundation laser radar, belongs to the field of single wood volume, and focuses on feature extraction of trunk structures in different forms and calculation of the trunk volume. According to the method, masson pine is taken as a research object, 52 individual trees are taken as samples, true values of different height diameters are acquired, the volume of the individual trees is calculated, and meanwhile, a high-density three-dimensional laser point cloud is scanned by using a foundation laser radar system. The method comprises the following steps: firstly, sampling original point cloud data, constraining growth of seed points by using normal vectors and angles, and accurately extracting trunk point clouds; simulating interception of a real disc through point cloud slices, and calculating a single-layer point cloud area by using an improved convex hull algorithm; in the shielded region, constructing a fitting circle by using the local point cloud to calculate the area of the layer; and finally, the single wood volume is obtained through the thought of an infinitesimal method. The correlation R2 between the calculated wood volume and the real calculation reaches 0.995, the RMSE is 0.017 m < 3 >, and the nRMSE is 2.38%, which indicates that the tree trunk can be accurately extracted and the single wood volume can be calculated under the non-contact condition.

The present invention belongs to the technical field of automobile trunks, and specifically relates to a trunk structure and vehicle. The trunk structure comprises: a trunk body; a connecting assembly disposed on the trunk body and fixedly connected to a front frame and a front crossbeam of the vehicle body; and a first support assembly disposed on the back of the trunk body, with its bottom surface contacting a support profile disposed on the front frame and its rear side surface providing a gap with a buffer surface disposed on the front frame. The purpose of the present invention is to address the issue of low trunk structural strength in electric vehicles.

The invention provides a lifting mechanism and a mobile robot. The lifting structure is applied to the mobile robot, the mobile robot comprises a trunk structure and a bottom structure, the lifting mechanism comprises a base, a driving system and a lifting arm, the base is installed on the bottom structure, and the lifting arm comprises a first arm structure and a second arm structure; the first arm structure is mounted on the base and can rotate relative to the base; one end of the second arm structure is rotatably connected to the first arm structure, and the other end is provided with the trunk structure; the driving system is connected with the lifting arm and configured to drive the lifting arm to be folded or unfolded so as to drive the trunk structure to ascend and descend in the first direction; when the lifting arm is folded to the lowest position, the first arm structure and the second arm structure are both located on a plane defined by the intersection of the second direction and the third direction. The lifting mechanism can be completely folded, so that the lifting mechanism can descend to a lower position, the overall size of the device is smaller, transportation is convenient, and a mobile robot can conveniently grab objects on the ground.

The invention discloses a robot, and relates to the technical field of robots, the robot comprises a head structure; the trunk structure comprises a trunk part and a plurality of folding units connected in sequence, the adjacent folding units can be rotationally folded, so that the trunk structure has a folded state and an unfolded state, in the unfolded state, folding rotating shafts of the adjacent folding units are located on the two opposite sides of the central axis of the trunk part in a staggered mode, and the folding rotating shafts of the adjacent folding units are located on the two opposite sides of the central axis of the trunk part. In the folding state, the multiple folding units are arranged in a stacked mode, and the trunk part is connected with the head structure and the folding units; the mechanical arms are arranged on the two sides of the main part; and the walking structure is connected with the folding units deviating from the trunk part. The robot provided by the technical scheme of the invention occupies a small space after being folded, and can adapt to deployment and use in a space-limited environment.

The utility model provides a car roof trunk which comprises a trunk cover, a trunk body and a hinge piece, the hinge piece is used for enabling the trunk cover and the trunk body to be matched in a hinged mode, and the hinge piece is fixedly connected with the trunk cover and the trunk body through screws. The supporting piece is used for supporting the opening state of the box cover relative to the box body, and the supporting piece is fixedly connected with the box cover and the box body through screws; and the locking piece is used for locking and opening the box cover and the box body, and the locking piece is fixedly connected with the box cover and the box body through screws. According to the car roof trunk structure, the connecting pieces between the trunk body and the trunk cover are fixed through the screws, a current common plug pin or pop rivet mode is replaced, a pin head or a pop rivet head of the car roof trunk structure cannot be exposed on the outer surface of the trunk body, and extra trouble does not need to be brought to the exposed pin head or the pop rivet head and a plastic cover. When the lockset and the supporting piece need to be replaced, the mode of screwing out the screws through a screwdriver is simple and easy to implement, the outer surface of the luggage case cannot be damaged, and the lockset cannot be damaged.

The invention relates to a trunk structure of a quadruped robot, and the trunk structure comprises a machine body assembly, an upper layer assembly and a lower layer assembly. The machine body assembly comprises an upper shell, a middle shell and a lower shell which are sequentially stacked from top to bottom, the upper shell and the middle shell are connected to form an upper-layer cavity, and the middle shell and the lower shell are connected to form a lower-layer cavity. And the upper-layer assembly is mounted in the upper-layer cavity. And the lower-layer assembly is mounted in the lower-layer cavity. When the upper shell is in an open state, the upper-layer cavity is communicated with the outside, and the upper-layer assembly is exposed to the outside. According to the trunk structure, the upper-layer assembly can be maintained or replaced only by opening the upper-layer cavity, when the upper-layer cavity is in the open state, the lower-layer cavity is in the closed state, and the lower-layer assembly cannot make direct contact with the outside, so that the maintenance difficulty and time cost are reduced, unnecessary damage to the lower-layer assembly is reduced, and the service life of the trunk structure is prolonged. The service life of the lower layer assembly is prolonged, and meanwhile the stability and reliability of the trunk structure can be improved.

The present invention discloses a wave-dissipating structure for an anlan landscape tree group in a seawall, which comprises a beach main body, a seabed in the wave area, a wave-dissipating landscape tree group structure, ocean waves and tides; the wave-dissipating landscape tree group structure comprises a first row of wave-dissipating landscape trees, a second row of wave-dissipating landscape trees and a seabed erosion prevention structure; the first row of wave-dissipating landscape trees comprises a landscape tree pile foundation structure, a landscape tree bottom bearing platform, a landscape tree trunk structure, a landscape tree wave-dissipating tree branch, a landscape tree top connection structure and a landscape tree branch structure; the landscape tree wave-dissipating tree branch comprises a tree branch wave-dissipating main trunk, a tree branch wave-dissipating abnormal body and a tree branch bionic skin; the tree branch wave-dissipating abnormal body plays a role in three-dimensional wave dissipation in space. The present invention combines bionics with an abnormal wave-dissipating structure of an empty tree branch, with a simple overall structure, vivid and beautiful image, achieving the best combination of ecological beauty, wave resistance and wave dissipation, being able to protect the lives of nearby residents and provide an excellent leisure and entertainment environment, and optimizing the project investment and operation management and maintenance costs.

The present application relates to the technical field of robots, and especially relates to a trunk structure and a robot thereof, which comprises a trunk body, a shoulder assembly, a first driving assembly and a second driving assembly; the shoulder assembly comprises a mounting seat and a movable joint connected between the mounting seat and the trunk body; the first driving assembly is arranged on the trunk body and is drivingly connected with the mounting seat to drive the mounting seat to rotate around a first axis; the second driving assembly is arranged on the trunk body and is drivingly connected with the mounting seat to drive the mounting seat to rotate around a second axis. The first driving assembly and the second driving assembly are respectively drivingly connected with the shoulder assembly, and the first driving assembly and the second driving assembly are orthogonally arranged, so that the structure is compact, the movement of the shoulder assembly in a three-dimensional space can be controlled, the compound action of a human shoulder joint can be simulated, and the mechanical arm has a larger space coverage range.

The present invention relates to the technical field of automobile parts, and in particular to a trunk structure design method, a trunk structure and a vehicle. The trunk structure design method comprises: obtaining the support force of the support rod in the normal closed position of the trunk lid, and the sealing reaction force of the sealing accessory; establishing a theoretical design model including the trunk lid, the white body stopper, the support rod and the sealing accessory, and loading the gravity of the trunk lid, the support force of the support rod, and the sealing reaction force of the sealing accessory, and making the trunk lid in the normal closed position, obtaining the gap and face difference between the trunk lid and the white body stopper; adjusting the design model of the trunk lid and / or the white body stopper according to the gap and face difference between the trunk lid and the white body stopper, until the gap and face difference between the trunk lid and the white body stopper when normally closed are within a set range. In the prior art, the problem of manual adjustment of the gap and face difference when installing the trunk lid is low efficiency.

The invention discloses a liftable front spare box structure, which belongs to the technical field of automobile movable front spare boxes and comprises a front spare box body, a front spare box guide rail plate, a front spare box guide groove assembly, a front spare box lifting actuator assembly and a sliding support plate. Front spare box guide rail plates are fixedly connected to the side walls of the two sides of the front spare box body. The front spare box body is connected to the front spare box guide groove assembly in a sliding mode through the front spare box guide rail plate. A sliding support plate is installed on the rear wall of the front spare box body through an installation structure. The sliding support plate moves up and down through the front spare box lifting actuator assembly. The front spare box has the advantages that the front spare box body can be lifted and fall back, articles of the front spare box body can be taken more conveniently, and therefore the practicability of the front spare box body is improved.

A system comprising a display system and a control system communicatively coupled to the display system. The control system is configured to: receive anatomic image data for an anatomic tree structure; generate an initial segmentation of the anatomic image data, the initial segmentation including a trunk structure and a branched structure unconnected to the trunk structure; display the branched structure and the trunk structure on a display system, wherein the branched structure is displayed with a visual characteristic different from the trunk structure; and receive an indication of a user's intent to at least one of add the branched structure to the trunk structure or remove the branched structure from the display system.

The application provides a body intelligent humanoid robot playing a mouth organ and a man-machine interactive playing method thereof, and comprises a body intelligent robot and a mouth organ. The body intelligent humanoid robot comprises a wheeled chassis walking mechanism, a lifting column leg mechanism is arranged above the wheeled chassis walking mechanism, and a robot trunk structure of a bionic upper body of a human is arranged on the lifting column leg mechanism. A touch display screen for man-machine interaction is arranged on the front of the trunk structure, and a flow valve, a gas pump, a driver and a gas path control circuit are arranged in the trunk structure. A robot head mechanism is arranged at the top of the robot trunk mechanism, the head mechanism is provided with a gas path pipeline connected with the chest, a camera and a sound box. Robot arm mechanisms are arranged on both sides of the robot trunk mechanism, and a five-fingered dexterous hand is arranged at the end of the mechanical arm of each robot arm mechanism. The mouth organ is provided with a double-row key structure, a gas path control valve, two gas pipes connected with the robot and another gas pipe for a user.

The invention provides an external protection structure based on an unmanned aerial vehicle nest, and the external protection structure is applied to the field of unmanned aerial vehicle nest equipment and comprises an outer fixed plate, an inner movable plate, an inner sliding plate, a rack, a motor and a rotating wheel; the outer fixed plate is fixed with an integral support of a nest, the inner movable plate is fixed with a rack, one end of the inner movable plate is connected with the inner sliding plate, the output end of the motor is connected with the rotating wheel, and the rotating wheel is connected with the rack; the rotating wheels drive the racks and the corresponding inner movable plates to transversely stretch out or retract along with limiting of the outer fixed plates through the inner sliding plates. The technical problems that dust easily enters the side face part when a cover is opened at present, and particularly, dust enters the interior along with a machine nest structure on the side face under the conditions of strong wind and rainwater during outdoor work, so that the overall operation of a machine nest is influenced are solved.

The invention discloses a vehicle trunk structure and a vehicle, and belongs to the technical field of vehicles. In the vehicle trunk structure, a first reinforcing part and a second reinforcing part are arranged on the lower surface of a panel body, and a first reinforcing cavity and a second reinforcing cavity are formed respectively; and meanwhile, the third reinforcing piece is arranged on the upper surface of the panel body to form a plurality of third reinforcing cavities, and the cavities are matched with one another, so that the overall rigidity of the panel is enhanced, the stress distribution is improved, the structural stability is improved, the weight is controlled, and the collision safety is improved.

The invention discloses a medicine package font recognition and arrangement method and system, and the method comprises the steps: constructing a target detection model YOLO-GF, and obtaining medicine package characters through the detection of the target detection model YOLO-GF; wherein the target detection model comprises a trunk structure, a neck structure and a head structure; extracting character features on the medicine bag through the trunk structure; performing multi-scale feature map fusion on the character features through the neck structure to obtain a feature map; classifying and identifying the feature map through the head structure to obtain medicine package characters; and constructing a character sorting algorithm, sorting and optimizing the medicine package characters through the character sorting algorithm to obtain medicine package character position information, and displaying the content. In the medicine bag identification and arrangement process, the problems of insufficient efficiency and accuracy in the prior art are solved, it is ensured that the medicine dispensing process can be more efficiently and accurately carried out, and reliable technical support is provided for medicine management.

The present invention discloses a decorated tree connecting device, a quick-connect decorated tree bracket and a wiring method therefor, which are used in the trunk structure of a decorated tree, comprising an upper connecting socket and a lower connecting socket; and when the upper connecting socket and the lower connecting socket are fitted by insertion, the connection point of an elastic copper connecting piece is in contact with a corresponding copper connecting piece, realizing the electrical connection fit of the upper connecting socket and the lower connecting socket.

A system comprises a display system and a control system communicatively coupled to the display system. The control system is configured to receive anatomic image data for an anatomic tree structure and generate an initial segmentation of the anatomic image data. The initial segmentation includes a trunk structure and a branched structure unconnected to the trunk structure. The control system is also configured to determine whether to connect the branched structure to the trunk structure based on an assessment of a shape of the branched structure and an assessment of a relationship between the trunk structure and the branched structure.

The invention discloses a mortise and tenon building block combination device made of degradable materials, and relates to the technical field of building blocks. The mortise and tenon joint building block combination device made of the degradable materials comprises a trunk structure, a head structure is arranged at the top end of the trunk structure, arm structures are arranged at the side ends of the trunk structure, and lower limb structures are arranged at the bottom end of the trunk structure. By arranging the top end connecting structure, the side end connecting structures and the bottom end connecting structure, the trunk structure, the head structure, the arm structures and the lower limb structures can be movably connected through mortise and tenon joint structures. According to the building block combination structure, the components are connected through the ingenious mortise and tenon joint structures, the stability of the toy is improved, the splicing pleasure and creativity of the toy are improved, children can exercise the hand coordination ability and the space imagination in the splicing process, and meanwhile the building block combination structure has the good environment-friendly performance.