38 results about "Deep sea creature" patented technology

The invention belongs to the technical field of deep-sea creature sampling, and particularly relates to a sampling tool. According to the technical scheme, a shovel type deep-sea creature sampler comprises a base body (1), a front cover (2), a back cover (3), a T-shaped handle (4), a pressing plate (5), a rack (6), a gear (7), a shaft (8), a pressing block (9), a connecting plate (10), a connecting rod (11), a tension spring (12), a guide rod (13) and a guide groove (14). The shovel type deep-sea creature sampler is arranged on an ROV or a manned submersible vehicle, and when the deep-sea creature sampling needs to be carried out, a mechanical arm grabs and holds the T-shaped handle, and after the shovel type deep-sea creature sampler is moved to the appropriate position, the pressing plate is abutted and pushed to the back cover through a hydraulic device of the mechanical arm of the ROV or the manned submersible vehicle, and then the front cover is opened through the guide rod. When the shovel type deep-sea creature sampler is moved and creatures needing to be sampled enter the base body, the force of the hydraulic device of the mechanical arm of the ROV or the manned submersible vehicle is released, and the front cover is closely attached to the base body again and is closed tightly through the tension spring.

The invention relates to a pumping type deep-sea organism collector which comprises a collecting cylinder. A seal is fixedly connected to one end of the collecting cylinder. The other end of the collecting cylinder is fixedly connected with a water pump support cylinder. A water pump propeller is disposed in the water pump support cylinder. A cable is connected to the periphery of the water pump support cylinder. A partition is disposed at the connection of the collecting cylinder and the water pump support cylinder. The seal is hinged to semi-circular doors symmetrically disposed in the collecting cylinder. An elastic device is further disposed between the seal and the semi-circular doors. The pumping type deep-sea organism collector has the advantages that the collector is simple in structure and simple to operate, strong siphon water flow can be generated through the water pump propeller, long-distance deep-sea movement and fast capturing of static organisms are realized effectively, fast opening and closing of the semi-circular doors are achieved through the spring, suction of organisms is achieved effectively by the hollow partition disposed at the connection of the water pump support cylinder and the collecting cylinder, the organisms can be prevented from being drawn into the water pump propeller and damage, and repeated capturing is achieved.

The invention discloses a deep sea culture ship, and belongs to the technical field of culture devices. The deep sea culture ship comprises a ship body and a culture cage, wherein the two sides of theship body are horizontally connected with lateral plate; the culture cage is fixedly connected to the lower sides of the lateral plates, and the bottom face of the culture cage is lower than the water line of the ship body. The bottom of the culture cage is fixedly connected with a buoyancy force regulating assembly, the buoyancy force regulating assembly comprises a sealed buoyancy tank, the buoyancy tank is connected with a water pump on the ship body through a second connecting pipe, first air pipes are arranged in the buoyancy tank, end openings in the two ends of each first air pipe areformed in the outer portions of the two side faces of the buoyancy tank, the first air pipes in the buoyancy tank are communicated through first connecting pipes, and the first connecting pipes are further connected with an air pump on the ship body. Cage culture operation is conducted by effectively utilizing the common ship body, deep sea culture of fishes is achieved, the culture pollution is low, the influence of storms on the modified ship body is low, and the survival rate of cultured objects is high.

The invention relates to a deep-sea organism in-situ observation three-dimensional camera fixing and adjusting device suitable for deep-sea manned submersible vehicle carrying operations. According tothe deep-sea organism in-situ observation three-dimensional camera fixing and adjusting device suitable for the deep-sea manned submersible vehicle carrying operations, a three-dimensional camera ofthe deep-sea organism in-situ observation three-dimensional camera fixing and adjusting device is composed of two camera bins and a calculation scanning unit bin, the fixing and adjusting device comprises two base supporting mechanisms, a calculation scanning unit bin fixture mechanism, an inclined supporting mechanism and a sampling basket and inclined supporting connection mechanism, under the premises that limiting conditions of a sampling basket on the volume and weight of the three-dimensional camera are met and the sampling basket structure is not changed, the three-dimensional camera isfirmly fixed on the sampling basket, and convenience adjustment is performed according to the angle requirements of the three-dimensional camera on deep-sea organism in-situ scanning measurement; thethree-dimensional camera closes up the sea bottom along with a submersible vehicle, the depth of the submersible vehicle is adjusted, hovering and stability of the submersible vehicle are maintained,and the three-dimensional camera is started to shoot; and the three-dimensional camera closes up the sea bottom along with the submersible vehicle, cabin crew observe the situations of the sea bottomthrough video images, the depth of the submersible vehicle is adjusted, the hovering and the stability of the submersible vehicle are maintained, and the three-dimensional camera is started to shoot.

The invention belongs to the technical field of marine organism sampling and storage, and relates to a water pressure driven deep-sea organism sample storage device. The water pressure driven deep-seaorganism sample storage device comprises a driving device, a reagent cabin, an organism sample cabin, a combined frame, a sealing cover anti-rotation bolt and a sealing cover closing sliding mechanism, wherein the combined frame comprises an integrated pressing plate, a middle layer clamping plate, a bottom plate and a supporting rod; the driving device is arranged on the middle layer clamping plate and the bottom plate; the organism sample cabin is arranged on the integrated pressing plate and the middle layer clamping plate; the reagent cabin communicates with the organism sample cabin through a reagent output pipeline; the sealing cover anti-rotation bolt communicates with the driving device through a large R pipeline; and the sealing cover closing sliding mechanism is connected with the driving device through a smooth circular inner wall hole pipe. The deep-sea organism sample storage device is light in weight and small in size, can be carried on an underwater robot (ROV) and an underwater lander for use, can effectively store obtained organism samples, can also be independently used after being equipped with a power supply, and traps and collects organisms on a seabed site and fixes the organisms.

The invention relates to a deep-sea organism outboard heat preservation device. The deep-sea organism outboard heat preservation device comprises a pressure-proof inner shell, and the pressure-proof inner shell is internally provided with a cavity. A pressure-proof enclosure bulkhead is connected to the pressure-proof inner shell, wherein the pressure-proof enclosure bulkhead is in a barrel shape and communicates with the cavity. A hatch cover is connected to the outer side face of the pressure-proof enclosure bulkhead, and an electric balance valve is mounted on the hatch cover. A pressure-proof outer cabin is arranged outside the pressure-proof inner shell, and a closed cavity is formed by connecting a first pressure-proof outer shell and a second pressure-proof outer shell through a flange. The side, close to the hatch cover, of the first pressure-proof outer shell is fixedly connected to the pressure-proof enclosure bulkhead. A water inlet cabin penetration part and a water outlet cabin penetration part are mounted on the second pressure-proof outer shell in a spaced manner. A circulating water pump is mounted in a gap formed between the inner wall of the pressure-proof outer cabin and the outer wall of the pressure-proof inner shell. An input end pipe of the circulating water pump is connected with the water inlet cabin penetration part, and an output end pipe is connected with multiple semiconductor refrigeration assemblies arranged on the outer wall of the pressure-proof inner shell in the circumferential direction. The semiconductor refrigeration assemblies are connected with the water outlet cabin penetration part through pipes and electrically connected with a control system in a submersible cabin. By means of the deep-sea organism outboard heat preservation device, the automation degree is raised, and the in-situ fidelity is improved.

The invention relates to a biological trap, in particular to a Jiaolong manned submersible extensible deep sea biological trap. The utility model comprises a collecting membrane, a main support rod, amain shell, an inner support cylinder, an operation motor and an outer feed pump; The outer side of the collecting film is connected to the inner side of the main supporting rod, and the rear part isadhered to the front surface of the main case; the front part of the main supporting rod is connected to the support frame; the hinge seat of the front surface of the main case is connected to the rear part; the inner supporting cylinder is installed at the front part of the feed screw; and the output shaft of the operating motor is installed with an operating gear. The present invention utilizesan expansion mechanism to increase the size of the trap to quickly capture biological samples, and assists in capturing and releasing biological samples by spraying water. The invention has the advantages of simple overall structure, convenient operation, quick and flexible completion of biological sample capture, flexible contact with the biological sample to reduce damage, larger adaptability due to the extensible shrinkage of the overall structure, convenient for rapid, repeated use, storage and transportation.

The invention discloses a deep-sea organism trapper capable of improving the trapping efficiency. The deep-sea organism trapper includes a central barrel and collecting barrels. Each collection barrel includes a first barrel body, a second barrel body, and a collection net; a frequency signal emitter is arranged on the bottom of the first barrel body; the first barrel body and the second barrel body are relatively and detachably clamped to form a space having a sealed interior; sliding ways are arranged on side walls of the first barrel body and the second barrel body; the first barrel is welded onto a bottom end of the central barrel; a hydraulic telescopic hand is arranged between the second barrel body and the central barrel; the hydraulic telescopic hand is connected to a hydraulic pipe; the hydraulic telescopic hand stretches or contracts, the second barrel body is separated from or connected to the first barrel body along the sliding way; the collection net is cylindrical sealed net having through holes formed in the net body, and is movably arranged in the sealed spaced formed by the first barrel body and the second barrel body; a pressure-resisting camera is movably connected to an upper end of the collection net; an organism trapping opening is formed in a side wall of the collection net; and the first barrel body and the second barrel body are separated from each other, and deep-sea organisms enter the collection net. The deep-sea organism trapper can match a Dragon submersible vehicle, and can improve the trapping efficiency.

The invention discloses a zero-sample deep-sea biological picture classification method based on multiple classifiers. The method comprises the following steps that (1) image feature data importing, wherein a data set is composed of visual features, semantics and label information of visible categories and invisible categories, common marine organism categories with labels serve as the visible categories, and deep-sea organism categories lack of data serve as the invisible categories; (2) class specific classifier training: utilizing visible class data training to establish different visual semantic mappings for different classes on the basis of reserving a manifold structure so as to improve the classification accuracy of the visible classes; and (3) inferring the invisible category, migrating the weight between the visible category and the invisible category semantics, synthesizing a mapping matrix of the invisible category by using the mapping matrix of the visible category, and obtaining the label of the invisible category according to the distance. According to the method, the influence of mapping domain drift is reduced to a certain extent, and the method is accurate and feasible.

The invention relates to a deep-sea organism capturing and culturing technology, and aims to provide a deep-sea multicellular organism pressure-maintaining capturing and long-term culture device. The two ends of a pressure maintaining cavity of the device are open, and movable end covers are arranged on the inner side for sealing; a spring sleeve mechanism is arranged in the pressure maintaining cavity in parallel, an inner sleeve and an outer sleeve are in coaxial interference fit, and the two ends of a spring are fixed to a movable end cover. The outer side of the movable end cover is connected with a damping release mechanism; the pressure maintaining cavity is further connected with an energy accumulator system, a fresh seawater conveying system and a food feeding system. By adopting a sealed triggering structure, the structure of the biological pressure-maintaining sampling equipment is simplified, the weight is reduced, and the operation is simple and convenient. The two ends of the pressure maintaining cabin are sealed by the movable end covers, and the movable end covers are powered by the spring sleeves, so that the design of a motor, an oil cylinder and a transmission structure which are possibly added is omitted, the overall structure is simplified, and the cost is saved. The matched culture system can provide seawater circulation renewal, oxygen supply and physical nutrition supply for multicellular organisms.

The invention belongs to the field of deep-sea sampling specimen preparation and particularly relates to a device for preparing a deep-sea sampling specimen. The device comprises a base and a device body, wherein the device body is arranged above the base and is used for containing a marine organism specimen; the top of the device body is connected with a turnover cover for movably sealing the device body in a turnover manner; the base is provided with a turnover hydraulic cylinder for controlling turnover of the turnover cover; and the device body is also provided with a specimen preparation mechanism for preparing the specimen from marine organisms. Compared with the prior art, the device has the advantages and the positive effects that field preparation of the deep-sea organism specimen is effectively achieved by providing the device for preparing the deep-sea sampling specimen and using various matched parts, the deep-sea organism specimen completely reserves the growing and living state, observation is facilitated, and accurate experimental data is obtained; and meanwhile, the device is reasonable in structure, convenient to operate and suitable for large-scale popularization and application.

The invention provides a detection method and device of an infrared thermal image fish finder, and is applied to the technical field of infrared detection. The method comprises the following steps: taking a level center as a horizontal position, shooting biological activity signs by using a preset searchlight, distinguishing a main body to be detected from the shot biological activity signs, recording data of the detected main body, selecting the data of the detected main body by using a preset infrared instrument, performing pseudo-color processing, obtaining infrared data of the detected main body, analyzing and transmitting the infrared data of the detection main body, and completing the detection of the detection main body. According to the invention, the pseudo-color processing is carried out on the shot subject to obtain the infrared image of the shot subject, so that the probability that most of the shot information of the deep-sea organisms is invalid information is effectively reduced. More shooting information is obtained by analyzing the infrared image data, so that the probability that most of the shooting information of the deep-sea organisms is invalid information is effectively reduced when the shooting information of the deep-sea organisms is obtained.

The invention discloses a deep-sea organism transfer case, which comprises a sleeve and a housing, wherein the outer side of the housing extends outwards to form a first connecting circular pipe; an external thread is formed in the outer side of the first connecting circular pipe; internal threads are formed in two sides of an inner wall of the sleeve; two internal threads in the sleeve are opposite in direction; a mounting hole communicating the inside and the outside of the sleeve is formed in the middle of the outer side of the sleeve in the length direction; a gas nozzle is arranged at theouter side of the mounting hole; an opening communicating the inside and the outside of the housing is formed in the outer side of the housing; the opening is located in the first connecting circularpipe and is provided with a sealing element; the sealing element comprises a slide bar; the slide bar penetrates in and out of the housing; the slide bar is connected with the housing in a sliding manner; a contact plate is fixed at one end of the slide bar; a pinch plate is fixed at the other end of the slide bar; and a spring sleeves the slide bar between the contact plate and the housing. Thedeep-sea organism transfer case safely transfers deep-sea organisms under the condition of ensuring the pressure, so that the use frequency of a pressure-maintaining trapping container is improved andthe trapping cost of the deep-sea organisms is reduced.

The invention relates to a self-floating deep-sea organism sampling device. The device comprises a buoyancy material shell, a ball storage hole is formed in the center, a sample channel is formed in the middle of the upper portion of a body and communicated with the ball storage hole, a beacon hole is formed in the portion, located on one side of the sample channel, of the body, and an oxygen cabin hole is formed in the bottom of the ball storage hole. A plurality of water permeable holes are evenly distributed in the circumferential direction of the body, each water permeable hole penetrates through the ball storage hole, anchoring notches are formed in the two sides of the bottom of the body respectively, and mounting base holes are further formed in the anchoring notches. A beacon is mounted in a beacon hole, a ball storage cabin is mounted in the ball storage hole, a high-pressure oxygen cabin is mounted in the oxygen cabin hole, mounting bases are matched with the mounting base holes, the mounting bases are welded to the spherical outer wall of the storage ball cabin, a gravity anchor is fixed to the bottom of each mounting base through an explosive bolt, and the gravity anchors are located in the anchoring notches. An automatic opening and closing cabin opening cover is mounted on the top surface of the ball storage cabin. A driving control cabin is arranged at the bottom in the ball storage cabin, so that the work is reliable.

The invention relates to a deep-sea organism pressure-maintaining sampling device, and aims to provide a push rod sealed macro organism trapping pressure-maintaining sampler based on a deep-sea submersible. The sampler comprises a hollow pressure maintaining cylinder body, open holes are formed in the two opposite side walls of the pressure maintaining barrel respectively, and a cylindrical sampling push rod capable of moving in the axial direction is arranged in the two open holes in a penetrating mode. Limiting end covers are arranged at the two ends of the sampling push rod respectively, a long groove hole is formed in the position close to the bottom limiting end cover, and a handle is installed on the top limiting end cover. A locking device is arranged at at least one opening of the pressure maintaining cylinder, a locking part is arranged on the limiting end cover on the same side as the locking device, the locking device and the limiting end cover are assembled to limit the axial displacement of the sampling push rod, and the sampling push rod is used for blocking the two openings of the pressure maintaining cylinder to seal the inner cavity of the pressure maintaining cylinder. The sealing mechanism is light in weight, simple to operate and capable of accurately sampling at fixed points; the operation difficulty of a mechanical arm is reduced, and non-sampling-depth organisms can be prevented from entering the sampler in the lowering process.

The invention relates to a sampling device, belongs to the field of deep sea exploration and development, and particularly relates to a deep-sea organism sampling-storage device. The deep-sea organismsampling-storage device comprises a high-strength supporting frame, a fixed wall surface I, a rotting wall surface, a sample protecting bag, a temperature control device and a pressing motor; the fixed wall surface I, a fixed wall surface II, a fixed wall surface III and a fixed wall surface IV are successively installed in observing window installing frames of four sides of the high-strength supporting frame, an output shaft of the pressing motor is a threaded rod, and a thread is utilized to be connected with a pressing cover plate. According to the device, electronic atomization glass is utilized to control light environments, the temperature control device is utilized to maintain the sampling environment, and the pressing mechanism is utilized to maintain certain environment pressure.The device can be in combined use, soft membranes are utilized to provide a safe environment for sampling and storage of a sample, the completeness of the sample is ensured, it can be ensured that dusky degree, temperatures and pressures of sampling environments are similar, the damage to samples due to environment changes is avoided, and early observation and later research are convenient.

The invention relates to a deep-sea living organism ultrasonic detection system. The deep-sea living organism ultrasonic detection system provided by the invention comprises a body frame, an ultrasonic probe module, an organism fixing module, a control module and a power supply module, can perform in-situ living body detection on trapped deep-sea organisms, and brings recorded information back to the water surface; real and reliable living organism research can be completed without leaving the original living environment of organisms, and biological information and micromechanisms can be reflected more truly and accurately.

A self-floating deep-sea biological sampling device, including a buoyancy material shell, a storage ball hole is arranged at the center, a sample channel is provided at the upper middle of the main body, the sample channel is connected with the storage ball hole, and the main body is located on the side of the sample channel. There is a beacon hole, and the bottom of the storage ball hole is provided with an oxygen cabin hole, and there are a plurality of permeable holes evenly distributed along the circumference of the main body. A mounting seat hole is also provided at the gap; a beacon is installed in the beacon hole, a storage ball cabin is installed in the storage ball hole, a hyperbaric oxygen chamber is installed in the oxygen cabin hole, and a mounting seat is matched with the mounting seat hole. The spherical outer wall of the storage spherical cabin is welded, and the bottom of the mounting seat is fixed with an explosive bolt to fix the gravity anchor, and the gravity anchor is located in the anchoring gap; an automatic opening and closing hatch cover is installed on the top surface of the storage spherical cabin; The drive control cabin works reliably.

The invention relates to a fixing and adjusting device for a three-dimensional camera for in-situ observation of deep-sea organisms, which is suitable for the carrying operation of a deep-sea manned submersible. Its three-dimensional camera consists of two camera cabins and a computational scanning unit cabin. The fixed adjustment device includes two base support mechanisms, one clamp mechanism for the computing and scanning unit cabin, one oblique support mechanism, and one part of the connection mechanism between the sampling basket and the oblique support. Under the premise of the basket structure, the 3D camera is firmly fixed on the sampling basket, and it is convenient to adjust the angle of the 3D camera for in situ scanning and measurement of deep-sea organisms. The 3D camera comes close to the seabed with the submersible, adjusts the depth of the submersible, keeps the hovering and stable of the submersible, and starts the 3D camera to shoot; Depth, keep the submersible hovering and stabilizing, and start the 3D camera to shoot.

The invention belongs to the technical field of marine biological sampling and storage, and relates to a hydraulically driven deep-sea biological sample storage device, including a driving device, a reagent cabin, a biological sample cabin, a combined frame, a cover anti-rotation plug and a cover closure sliding mechanism , the combined frame includes an integrated pressure plate, an intermediate splint, a base plate and a support rod, the driving device is arranged on the intermediate splint and the base plate, the biological sample compartment is arranged on the integrated pressure plate and the intermediate splint, the reagent compartment The reagent output pipeline communicates with the biological sample chamber, the cover anti-rotation plug communicates with the driving device through the large R pipeline, and the cover closing and sliding mechanism is connected with the driving device through a smooth round inner wall hole tube. The invention is light in weight and small in size, and can be used on underwater robots (ROVs) and underwater landers (Landers) to effectively preserve acquired biological samples, and can also be used independently after being equipped with a power supply, trapping and collecting organisms on the seabed and treating them It is fixed.

The invention relates to a robot for deep-sea biological capture and biopsy, which includes a robot body frame, a bait box, a visual sensing and image processing device, a biological fixation device, a biopsy device, a main control module and a power supply module; The trapping of macro organisms adopts a trigger-type anti-escape design, which can capture the organisms after they enter the preset channel, and can limit the activity area, fix and adjust the position and posture of the captured organisms; it can be in situ in time and space Documenting microstructures in living organisms.

The invention discloses a method and device for determining the size of an object to be measured in an image and a storage medium. The method comprises the following steps: acquiring a to-be-measured image; extracting pixel points satisfying a preset condition in the to-be-measured image as a first feature point and a second feature point; calculating a pixel distance between the first feature point and the second feature point; obtaining the physical distance of the unit pixel according to the pixel distance and the physical distance between the first feature point and the second feature point; and measuring the pixel length of the to-be-measured object contained in the to-be-measured image, and obtaining the size of the to-be-measured object according to the pixel length and the physical distance of the unit pixel. The method and the device for determining the size of the object to be measured in the image can be widely applied to deep-sea organism monitoring research and deep-sea organism size measurement, and have the advantages of automation, accuracy, rapidness and the like.

The invention relates to a method and a system for evaluating a deep sea ecosystem by utilizing bioacoustic characteristics. The method comprises the following steps: acquiring acoustic signals of various organisms in a deep sea ecosystem; according to the acoustic signal, determining deep-sea organism types and the number of deep-sea organisms; training a neural network model according to the acoustic signal, the deep-sea organism type and the deep-sea organism quantity to obtain a trained neural network model; acquiring a deep-sea bioacoustic signal of the sea area to be measured; and inputting the deep-sea organism acoustic signal of the sea area to be measured into the trained neural network model for prediction to obtain the deep-sea organism variety and quantity of the sea area to bemeasured. According to the invention, a specific sea area can be observed for a long time, and the surrounding environment is not damaged.

The invention belongs to the field of large organism high-pressure culture simulation experiment research, and particularly relates to a deep-sea large organism high-pressure transfer device and a deep-sea large organism high-pressure transfer method.The transfer device comprises a high-pressure cabin body, a rotating mechanism, a transfer channel, a transfer high-pressure cabin and a fixing structure, and the high-pressure cabin body serves as a deep-sea organism high-pressure culture cabin; the transfer high-pressure cabin is a biological sample transfer and acquisition cabin, the rotating mechanism and the transfer channel are essential mechanisms for deep-sea organism transfer, and the fixing structure is a structure for realizing deep-sea large organism high-pressure fixation. In the high-pressure transfer process, the large biological high-pressure transfer technology under high pressure is achieved through the transfer device; and the material is a stainless steel material with strong corrosion resistance.

The invention relates to a deep-sea breeding system. The deep-sea breeding system comprises a stabilizing frame, breeding units and a floating ball, wherein each breeding unit comprises a breeding frame, a separation net is arranged on the outer side of each breeding frame, and the breeding units are in flexible connection with the stabilizing frame; and a GPS (Global Positioning System) signal transmitting device is arranged in the floating ball, and the floating ball is fixedly connected with the stabilizing frame through a chemical fiber cable. According to the deep-sea breeding system provided by the invention, the stabilizing frame is particularly arranged, the breeding units are arranged in the stabilizing frame in a manner of flexible connection, and the breeding units are used for artificial breeding of deep-sea living beings. Besides, the floating ball is also connected to the stabilizing frame, and the GPS signal transmitting device is arranged in the floating ball, so that global positioning of the system can be realized, and the problem that the breeding frames are lost in the prior art is solved. The stabilizing frame arranged in the deep-sea breeding system disclosed by the invention can provide first-class stabilization for the breeding units, the breeding units are in flexible connection to the stabilizing frame, and the flexible connection manner can provide second-class stabilization, so that the deep-sea breeding stability of the system is improved to the utmost extent.

The invention discloses a cam-driven light-weight trapping device for deep-sea organisms, which includes trapping cages and folding doors respectively connected to the trapping cages, a door closing mechanism, a power supply control mechanism, and a multi-spectrum lure lamp. The top of the folding door is provided with a guide column. , There is a U-shaped groove on the top of the opening of the trapping cage, and the guide post passes through the U-shaped groove to connect with the door closing mechanism. The door closing mechanism includes a concave shell, a guide block, a motor, a cam, and a guide post on the top of the concave shell. , the elastic pressing device is set in cooperation with the guide hole on the guide block to play the role of limit and compression. The bottom of the guide block is provided with a limit post and a guide post limit post. The cam set at the bottom of the limit post is connected to the motor, and the motor It is connected with the power control mechanism, and the guide post limit post is used to limit the guide post to keep the folding door open. The contact surface between the guide block and the concave shell is provided with a split hole, and the boss of the concave shell is provided with bolts. The guide posts are connected by a tension device.