79 results about "Cable net" patented technology

The utility model discloses a flexible photovoltaic support wind-resistant stabilizing system in the technical field of photovoltaic power generation, which comprises an assembly cable and a bearing cable, a plurality of photovoltaic assemblies are mounted at the tops of the assembly cable and the bearing cable, and a plurality of side anchor piles are connected to the two ends of the assembly cable and the bearing cable. Side beams are connected to the sides, close to the left end side anchor pile, of the assembly cable and the bearing cable, side columns are connected to the sides, close to the right end side anchor pile, of the assembly cable and the bearing cable, a triangular support is arranged between the assembly cable and the bearing cable, and an upper wind-resistant cable and a lower wind-resistant cable are arranged in the middle and at the bottom of the triangular support correspondingly. And a V-shaped support is arranged between the upper wind-resistant cable and the lower wind-resistant cable. According to the utility model, through cooperative arrangement of the assembly cables, the bearing cables, the triangular supports, the upper wind-resistant cables, the V-shaped supports and the lower wind-resistant cables, the support system forms a bidirectional cable net structure, the torsional rigidity of the flexible photovoltaic support structure is improved, and the flexible support structure can be effectively prevented from being subjected to torsional damage under the action of wind load.

The invention discloses an active turbulent flow type sand blocking system. The active turbulent flow type sand blocking system comprises a first turbulent flow belt, wherein the first turbulent flow belt comprises a first supporting column, a first cable net and a first wind resistance plate; the plurality of first supporting columns are arranged side by side into a plurality of rows and are distributed at intervals; the first cable net is connected between every two adjacent first supporting columns in each row; and a plurality of first wind resistance plates are arranged on each row of first cable nets, and the plurality of first wind resistance plates on each row of first cable nets are distributed between the adjacent first supporting columns at intervals. According to the active turbulent flow type sand blocking system, the turbulent flow field is constructed and formed through point vortexes formed at all the wind blocking plates, the turbulent flow field is used for achieving active turbulent flow on wind-sand flow, macroscopic ordered kinetic energy efficient dissipation is conducted on the wind-sand flow, and the purposes of effective interception and sedimentation are achieved.

This invention relates to the field of shaking table testing technology and discloses an electromagnetic shock protection device suitable for large-scale shaking table tests. It includes multiple support columns spaced along the outer perimeter of the shaking table and a surrounding arresting cable net assembly. The support columns are equipped with pulley assemblies. The surrounding arresting cable net assembly includes steel cables and at least one set of electromagnetic arresting assemblies. The steel cables are wound around the pulley assemblies, and the ends of the steel cables are connected to the electromagnetic arresting assemblies. The electromagnetic arresting assemblies include a spool and a generator connected to the spool. The steel cables are connected to the spool, and the generator is electrically connected to a control device. The control device controls the damping force on the steel cables by adjusting the excitation current of the generator. This invention aims to solve the problems of existing mechanical or hydraulic arresting systems, which suffer from slow response and inability to adjust damping force in real time, resulting in a harsh shock protection process, high peak force, and potential secondary damage.

The utility model provides an angle-adjustable roof cable net photovoltaic support system, which comprises a photovoltaic panel, high transverse cables, low transverse cables, high longitudinal cables and low longitudinal cables, and is characterized in that the two ends of the high transverse cables and the two ends of the low transverse cables are connected to a parapet wall through transverse adjusting devices; the high longitudinal cables and the low longitudinal cables are connected to the parapet wall through longitudinal adjusting devices, photovoltaic panels are obliquely installed between the adjacent high transverse cables and low transverse cables, the high longitudinal cables and the low longitudinal cables are perpendicular to the high transverse cables and the low transverse cables, and cross buckles are arranged at the crossed positions of the high longitudinal cables and the high transverse cables. A cross-shaped buckle is arranged at the crossed position of the low longitudinal cable and the low transverse cable, the high longitudinal cable is located below the high transverse cable, and the low longitudinal cable is located below the low transverse cable. The solar photovoltaic support is scientific and reasonable in structural design, stable in supporting, small in influence on a house body, high in practicability, capable of making adaptive changes according to the illumination incident angle, capable of improving the sunlight receiving rate of a photovoltaic panel and high in power generation efficiency.

The invention belongs to the field of construction hoists, and provides an anti-hanging cable arm for a construction hoist, which comprises an arm body, a connecting rod device, a cable net sleeve, a force adjusting device, a clamping device and a limit switch, the arm body is of a cavity structure; the connecting rod device is hinged and fixed on the arm body through a shaft or a bolt and can rotate around a hinge point; a cable net sleeve is installed at one end of the connecting rod device, the other end of the connecting rod device is connected with the arm body through a force adjusting device, and when the connecting rod device rotates, the end of the connecting rod device acts to trigger a limiting switch installed on the arm body. The clamping device is installed in the cavity of the arm body and used for clamping a cable arranged in the arm body in a penetrating mode. The device can effectively solve the safety problems of cable snapping, structural deformation, cage outage and the like caused by interference with a building or a scaffold in the cable running process, and the running safety and the operation continuity of the construction hoist are guaranteed.

The invention discloses a cable net structure prestress correction method and system based on multi-experiment sensitivity, and relates to the technical field of structural engineering and structural health monitoring. A sensitivity matrix is approximately constructed through a finite difference method, and construction of the sensitivity matrix is completed in combination with multi-working-condition displacement data; meanwhile, a parameter-aware Tikhonov regularization method is introduced to suppress the ill-conditioned error amplification problem, and self-adaptive step length optimization is realized by adopting left-one-out cross validation (LOOCV), so that the convergence efficiency of prestress correction is effectively improved. The method is not only suitable for a pre-stress identification scene of a cable net antenna, but also can be extensively applied to multiple fields such as large-span space structures, bridge engineering and civil engineering health monitoring, and provides effective technical support for parameter identification and finite element model correction requirements related to complex coupling structures in the fields; and the method has very wide application range and practical value.

A cable truss, including upper chord cable, lower chord cable, cable clamp, cable clamp support arm, cable end connecting block; the two ends of the cable clamp support arm are respectively provided with a cable clamp, the cable clamp is a cylindrical structure as a whole, which is composed of upper spiral body, middle spiral body and lower spiral body, the joint of the upper spiral body and the middle spiral body is provided with an upper chord cable through hole, and the joint of the middle spiral body and the lower spiral body is provided with a lower chord cable through hole; a plurality of telescopic locking pin shafts are arranged in the upper spiral body and the lower spiral body in the vertical direction, the middle spiral body is provided with locking pin shaft insertion holes corresponding to the locking pin shafts, and the locking pin shafts are inserted and matched with the locking pin shaft insertion holes. The application solves the design problem of the cable net node, reduces the adverse effect of the unbalanced force between the cable nets on the overall structure, increases the force rationality of the node and the safety of the whole cable net, reduces the processing and manufacturing cost and the construction difficulty, and can be applied to the "sky round place" structure of the "Dream of Red Mansions" drama fantasy garden engineering.

The utility model provides a roof photovoltaic cable net support device with windproof and damping functions, which comprises transverse cables, longitudinal cables, stabilizing devices and photovoltaic panels, a plurality of transverse cables are parallelly mounted between parapet walls, the transverse cables are arranged in pairs, the transverse cables and the longitudinal cables jointly form a photovoltaic cable net, the photovoltaic panels are fixedly mounted between each pair of transverse cables, and the stabilizing devices are arranged between the transverse cables and the longitudinal cables. The longitudinal cables are parallelly installed between the parapet walls at equal intervals, the longitudinal cables are perpendicular to the transverse cables, the transverse cables are located above the longitudinal cables, and stabilizing devices are arranged at the crossed positions of the transverse cables and the longitudinal cables. The photovoltaic cable net is scientific and reasonable in structural design, simple and convenient to install, capable of flexibly adjusting the height of the photovoltaic cable net, capable of effectively improving wind resistance and vibration resistance, capable of reducing damage to photovoltaic panels and capable of being used and popularized.

The present application relates to a kind of double fishbone butt type daylighting roof structure and its construction method, the roof structure includes: the fishbone type bottom framework that is horizontally fixed between two foundation components and is inclined in the middle horizontal two ends, is spliced into diamond grid by multiple lower ridge bones, bottom bone is connected in each diamond cell, bottom bone extends along the direction of two foundation components connecting line and is fixed between a pair of diagonal of diamond cell;Top framework is spliced by multiple upper ridge bones for glass panel fixed, which is matched with the shape of bottom framework;Support assembly, including several support seats distributed between bottom framework and top framework;Cable net, including several cables cross tied under bottom framework;Stand column assembly, including several stand columns, the lower end of stand column is connected with the column of cable that is cross set, the upper end of stand column is hinged to bottom framework;Roof panel, including several glass panels, for being installed on top framework.The present application is more prominent in the premise of guaranteeing structural strength, with visual impact effect.

The application discloses a hoisting equipment for construction of a building ring-shooting type steel net support assembly, which comprises a plurality of inhaul cables, a plurality of ring cables, a plurality of first node locks, a plurality of lifting lugs, a plurality of second node locks, a plurality of component force inhaul cables and a plurality of third node locks, the plurality of lifting lugs are all installed on top of the corresponding first node locks, a conical shell operation platform is arranged on top of the uppermost ring cable, the top end of the conical shell operation platform is symmetrically provided with a sling, a lifting appliance is fixedly installed on each group of slings, and a guide pipe and other structures are arranged in the hoisting process, so that the stability of the stand column in the hoisting process is maintained, the stand column can be conveniently inserted during subsequent erection of the conical shell formwork, the ring-shooting type is fully and uniformly stressed, the support performance is ensured, an extrusion frame and other components are arranged, the ring cable can be kept in a sufficient prestress during hoisting and installation, and the ring-shooting type cable net is kept in a stable working state under cooperation of the self weight.

The invention discloses a distributed reconfigurable wiring method, which specifically comprises the following steps of: 1, extending signal and power output to a plurality of positions in a spacecraft structure by taking an integrated electronic and power supply controller as a center and adopting a structure embedded FPC (Flexible Printed Circuit) mode for arranging a switching PCB (Printed Circuit Board) / switching cable; step 2, connecting the signal and the power to each single machine in a local area through a switching PCB / switching cable; 3, extracting required signals according to the requirement of a spacecraft local area arrangement single machine to form a switching PCB / switching line input; step 4, selecting an output connector and a node definition of the switching PCB / switching cable according to a local wiring optimization result; and 5, determining the design of the local cable network. The space is saved, the weight is optimized, the anti-interference performance is enhanced, and the electromagnetic compatibility optimization is more convenient.

The invention discloses an anti-collapse pneumatic membrane structure, and relates to the field of building structure design, the anti-collapse pneumatic membrane structure comprises: a mold body, the mold body is provided with an additional cable net; the stiff reinforcing cable pieces are arranged on the main stress paths of the die body; the stiff reinforcing cable piece is a telescopic rod, and when the die body is inflated and formed, the stiff reinforcing cable piece is in a stretched state. By the adoption of the scheme, continuous collapse of the pneumatic membrane structure can be effectively prevented, and structural safety is guaranteed.

The invention provides a cable network grounding research and judgment system and method based on topological transient characteristics, and the system carries out the research and judgment of a cable network grounding fault based on the transient zero-sequence current characteristics of a cable network. Transient zero-sequence current direction characteristics of a ground fault are converted into topological transient characteristics based on topology and amplitude comparison, the research and judgment process of the research and judgment method is triggered by a zero-sequence voltage abrupt change event of a bus, high-speed, synchronous and short-window acquisition is performed in a sampling process, then the transient amplitude in a first half wave is calculated, and topological characteristics are analyzed; according to the technical scheme, the method is specially used for capturing the earth fault instant electromagnetic transient process, and the problem that the accuracy of a transient signal positioning method at the present stage is not high can be solved.

The invention discloses a self-balancing fixed offshore photovoltaic support structure with a prestressed cable net, relates to the field of electric energy generation through infrared radiation, visible light or ultraviolet light conversion, and aims to reduce the steel consumption of the support structure, improve the economic benefit of the support structure and facilitate offshore transportation and hoisting. According to the technical scheme, the self-balancing fixed type offshore photovoltaic support structure with the prestressed cable net comprises piles arranged at intervals in the circular ring direction and rigid rings fixedly installed at the upper ends of the piles, the piles are in a Y shape, the two upper ends of the piles are fixedly connected with the rigid rings, the rigid rings are in a circular ring shape, and the prestressed cable net is arranged on the rigid rings. Inhaul cables are arranged on the inner side of the rigid ring in the two directions perpendicular to each other to form an orthogonal cable net, and the orthogonal cable net has prestress and is fixed to the rigid ring. The rigid ring and the orthogonal cable net can be assembled ashore, then transported to a designated place, hoisted to the upper end of the pile and fixedly connected, modular manufacturing and construction are achieved, and prestress is prevented from being applied on site.

The invention discloses a large-diameter antenna cable net tension dynamic monitoring device and method, the large-diameter antenna cable net tension dynamic monitoring device comprises a first cylindrical fixing piece and a second cylindrical fixing piece, and a hollow pin is arranged between the first cylindrical fixing piece and the second cylindrical fixing piece; a sensitive core body is arranged in the hollow pin, and two ends of the sensitive core body are respectively fixed on the first cylindrical fixing piece and the second cylindrical fixing piece; the sensitive core body is provided with a cable, when the tension of a rope is transmitted to the resonator, the resonator can generate frequency change accurately corresponding to the tension, accurate capture of tiny tension change can be achieved, and compared with a traditional detection device, the detection device is high in measurement accuracy, can meet the scene requirement with the strict tension accuracy requirement, and is suitable for popularization and application. The technical problem that in the prior art, the mode of manually holding a force measuring instrument to test the main and auxiliary net ropes is not high in precision, and consequently the profile adjusting strategy is not accurate is solved.

The application discloses a sliding cable driven crescent-shaped deployable cable net structure in the technical field of deployable structures and cable net structures, which comprises an inner ring end fixed node, an inner ring free node, an outer ring fixed node and three cables; the inner ring end fixed node and the inner ring free node are located on a first circular arc line; the outer ring fixed nodes are uniformly fixed on second and third circular arc lines and are symmetric about the plane where the first circular arc line is located and the normal plane of the line connecting the inner ring end nodes; a first cable passes through the nodes on the first circular arc line in sequence, a second cable alternately passes through the nodes on the second circular arc line and the nodes on the first circular arc line, and a third cable alternately passes through the nodes on the third circular arc line and the nodes on the first circular arc line; the lengths of the three cables are adjustable, the folding and unfolding of the cable net structure are realized, different building roof opening requirements are met, the structure composition and control mode are simple, and the structure has a high storage ratio.

The invention discloses an astronavigation cable network auxiliary wiring data processing method. The method comprises the steps of cable network structured data acquisition, branch connection relation simplification, main chain analysis, main chain arrangement, branch chain arrangement and marking. According to the method, structural data of a cable network can be analyzed to generate a 1: 1 wire harness two-dimensional diagram by obtaining the structural data. According to the method, the working efficiency and accuracy are remarkably improved, more standard, efficient and intuitive cable wiring diagram design and arrangement experience is provided for designers and operators, and the requirements of high-complexity spacecrafts such as satellites and manned airships for refined and standardized wiring can be met; and a powerful guarantee is provided for the reliability and the safety of a spacecraft electrical system.

This invention provides a method and system for automatic allocation of spacecraft cable network resources based on mixed-integer programming. The method includes: automatically extracting and statistically analyzing cable network resource demand and supply through structured data or manually entered data; pre-allocating cable network resources according to design requirements; importing cable network connector connections from the previous design; constructing the cable network resource allocation problem as a mixed-integer programming model, defining decision variables to transform complex design constraints such as resource matching, channel occupancy, and security isolation into mathematical constraints, and constructing an objective function with multiple objectives such as minimizing the total cable network length or reducing complexity; solving the model using mathematical programming methods; and performing rapid, local manual intervention and iterative optimization of the allocation scheme. This invention automates and intelligentizes cable network design, significantly improving design efficiency and accuracy, and supports rapid, local manual intervention and iterative optimization through resource freezing functionality.

The invention relates to the technical field of photovoltaic power generation, in particular to a flexible tracking photovoltaic support structure which comprises a cable net structure used for bearing a photovoltaic module and capable of rotating under driving to change the inclination angle of the photovoltaic module; the dynamic self-adaptive wind-resistant system comprises a wind-resistant component which is connected with the cable net structure through a plurality of connecting points which are spatially distributed at intervals; the self-adaptive tensioning module and the force direction stabilizing module are connected between the wind-resistant component and the ground foundation. Through a dynamic self-adaptive wind-resistant system comprising a self-adaptive tensioning module and a force direction stabilizing module, adjustable tensioning deviation rectifying force and directional linear guiding are provided respectively, the self-adaptive tensioning module and the force direction stabilizing module work cooperatively, and at least three spatially-distributed constraint points are formed on a wind-resistant component according to the geometric constraint principle that the three points determine a plane, so that the wind-resistant component is subjected to dynamic self-adaptive correction. A space force system jointly applied by the constraint points can reliably limit the movement of the wind-resistant component in a cable net rotating plane.

The utility model discloses a gas film structure longitudinal and transverse cable and cross cable combined cable net structure, which relates to the technical field of building structure engineering, the cable net structure adopts a longitudinal and transverse cable and cross cable mixed arrangement mode in the building plane direction, a plurality of main bearing cables are arranged in the first axial direction, and a tree-shaped cross cable net is arranged in the second axial direction; the tree-shaped crossed cable net is composed of at least two groups of bearing cables and auxiliary cables which are crossed at an acute angle; the main bearing cables and the tree-shaped crossed cable net form a space grid through adjustable connecting pieces; according to the technical scheme provided by the utility model, main load can be more effectively and intensively borne through mixed arrangement of the main bearing cables and the tree-shaped crossed cable net, uniform transmission of the load is realized, and the safety coefficient of the structure is improved. The cable net of the small-span special-shaped gas film structure in the prior art is stable in structure and low in manufacturing cost.

The application discloses a counterforce system construction method for spatial cable net replacement and belongs to the technical field of cable replacement, and solves the problem that a counterforce system cannot be constructed on a node disc at present. The counterforce system construction method comprises a counterforce seat, a connecting plate, an adjusting plate and a positioning assembly. The construction method comprises the following steps: S1, on the node disc, a counter direction cable of a cable to be replaced is in a straight line direction with the cable to be replaced, a positioning assembly is installed away from the counter direction cable, the positioning assembly is temporarily fixed on the node disc, S2, adjusting plates are installed on the upper and lower sides of the positioning assembly, and the positioning assembly is temporarily locked, S3, connecting plates are installed on the adjusting plates on the upper and lower sides, the connecting plate convex platform surface of the connecting plate is adjusted to be perpendicular to the center line of the cable to be replaced, and then the connecting plate is fixed, and S4, counterforce seats are installed on the upper and lower connecting plates away from the counter direction cable. The counterforce system construction method can quickly construct a counterforce system on a node disc and realize quick replacement of a spatial cable net.

The utility model discloses a photovoltaic cable net structure capable of automatically supplementing length, belongs to the technical field of photovoltaic cable nets, and solves the technical problem that automatic length supplementing of a photovoltaic cable net is not convenient at present. The device comprises at least two side inhaul cables which are arranged at intervals, a plurality of load-bearing cables which are arranged at intervals and used for installing photovoltaic assemblies are arranged between every two adjacent side inhaul cables, end columns are arranged at the two ends of each side inhaul cable respectively, one end column is provided with an anchoring unit used for anchoring the side inhaul cable, and the other end column is provided with an anchoring unit used for anchoring the side inhaul cable. The other end column is provided with an adjusting mechanism used for tensioning the side inhaul cable. The device further comprises a controller and a wind speed sensor, the side inhaul cable is provided with a cable force sensor, and the controller is electrically connected with the cable force sensor, the wind speed sensor and the adjusting mechanism. According to the utility model, the cable force sensor and the wind speed sensor are used for detecting the pulling force and the received wind force of the side inhaul cable, and the adjusting mechanism is controlled according to the pulling force and the received wind force to realize automatic real-time adjustment of the cable force of the photovoltaic inhaul cable so as to adapt to different wind force influences and cable force loss compensation.

The invention relates to the technical field of agricultural water conservancy projects, in particular to a soft rainwater collection irrigation system. The system comprises a rainwater collecting surface, a soft water cellar, an irrigation and desilting dual-purpose valve group and a safety protection assembly, the rainwater collecting surface is provided with a water inlet for collecting rainwater, and the soft water cellar is made of a flexible polymer composite sheet containing a reinforced skeleton layer and a bacteriostatic functional layer, so that stable storage of the rainwater is realized; the dual-purpose valve group can quickly switch irrigation and sand discharge functions through the main pipeline, the irrigation branch, the sand discharge branch and the control part; the safety protection assembly comprises a steel cable net and is assisted by an isolation guardrail and an anti-falling protection net to strengthen safety guarantee. The soft water cellar is higher than an irrigated area by a preset distance, and self-pressure irrigation is achieved. And the water cellar is provided with an overflow protection device to prevent overpressure damage. The system integrates the functions of rainwater collection, storage, irrigation and protection, does not need extra power, adapts to complex terrains, is low in cost and long in service life, and effectively solves the problem of irrigation of the mountainous and dry land.

This invention discloses a ring-shaped truss-type deployable radial rib cable mesh antenna and its deployment method, comprising a double-fold radial rib structure, circumferential cable segments, a metal mesh reflector, a central cable segment, and a single-ring deployable truss. The single-ring deployable truss is an overall ring structure, with the circumferential cable segments located inside the single-ring deployable truss. Multiple sets of double-fold radial rib structures are arranged in a circle and connected to the tops of multiple circumferential cable segments. The metal mesh reflector is connected to the top of the double-fold radial rib structure. The outer end of the double-fold radial rib structure is hinged to the top of the single-ring deployable truss, and the inner end is connected to the central cable segment. The double-fold radial rib structure is divided into two parts, front and rear, which are connected in series and hinged. The single-ring deployable truss is composed of multiple truss units connected end to end. Adjacent truss units are hinged using a parallelogram telescopic structure. It possesses the advantages of a large deployment-to-reception ratio and high stiffness of a ring-shaped truss antenna, and the high precision of a rib antenna.

The present application relates to cable supported grid structure technical field, and disclose a kind of hoisting method of permanent cable net support, comprising the following steps: cable net is lifted to preliminary installation configuration;By at least one measure cable, load is applied to cable net;Radial steel beam is changed relative to horizontal plane in multiple times, thereby load is applied to radial cable in cable net in multiple times;After each load is applied, by dynamically adjusting the cable force of measure cable, the configuration of radial cable is matched with the connecting point of preset strut or flying column, and connection is completed;After all connecting points are connected, measure cable is removed, and the final shape finding of radial cable is completed.The purpose is to install the construction method of upper steel structure on flexible cable net based on load superposition, dynamically adjust the way of down-pull tool cable, solve the shape finding problem of multiple support radial unit under the control of single down-pull tool cable.

The application discloses a cable net structure and a pressurized cabin. The cable net structure comprises a cable frame and a cable net, the cable net is arranged in the cable frame, and edges are connected with the inner side of the cable frame through quick-connection fixing pieces. The cable net is formed by weaving or 3D printing technology, uniform distribution of mesh holes is formed in the cable net, and the shape of the mesh holes is polygonal. The cable net structure and the pressurized cabin can realize quick installation, and the stress performance and durability of the cable net structure are good.

The utility model provides a roof photovoltaic support system with adjustable cable force, which comprises longitudinal cables, transverse cables, a photovoltaic panel and a bottom pressing block, two ends of each longitudinal cable are fixedly connected onto a parapet wall through end plates, two ends of each transverse cable are fixedly connected onto the parapet wall through end plates, the longitudinal cables are arranged at equal intervals and are parallel to one another, and the photovoltaic panel is fixedly connected onto the parapet wall through end plates. The transverse cables are arranged in parallel at equal intervals, the transverse cables and the longitudinal cables are perpendicular to each other to jointly form a supporting cable net, the photovoltaic panels are fixedly connected between the adjacent transverse cables, the longitudinal cables are located above the transverse cables, buckles are arranged on the two sides of the photovoltaic panels, the buckles are connected with the longitudinal cables, the buckles are connected with sliding blocks through inhaul cables, and the sliding blocks are connected to the bottom pressing blocks in a sliding mode. The utility model has the advantages of scientific and reasonable structural design, strong practicability, simple and convenient installation, strong wind resistance and earthquake resistance, small damage to the original roof, simple construction and low cost, utilizes the cable net to support the photovoltaic panel, and can adjust the overall tension cable force of the photovoltaic cable net through the sliding block, thereby being capable of being popularized and used.

The invention discloses a connection method of a silicon-based heat insulation sleeve at a cable network branch node, and belongs to the technical field of electric fitting. In a high-temperature-resistant cable network, a silicon-based heat insulation sleeve with a good heat insulation effect is usually used for protection in order to ensure that a wire bundle can resist the temperature of more than 450 DEG C for a short time, however, the sleeve is a closed integrated sleeve, and a plurality of nodes where branches are converged in the cable network are arranged in order to ensure the heat insulation effect of the sleeve. The existing knitted sheath sewing method cannot be realized, the tensile strength is low and 100% fitting is difficult to realize by adopting a heat-proof coating method of a heat-insulating adhesive tape, and the heat-insulating effect of the sheath is reduced, so that KH-RTV-400 silicone rubber with a good heat-insulating effect and good tensile strength is adopted; the glue solution is coated on the silicon-based heat insulation sheaths and gaps of the branch nodes of the cable network, and after the glue solution is vulcanized, the glue solution plays a good role in connecting the silicon-based heat insulation sheaths of the branch nodes, and a continuous compact heat insulation layer is formed and is integrated with the silicon-based sheaths.

The invention discloses a compatible vehicle power-off control method, and the method comprises the steps: S1, obtaining a short circuit state of a cable network plug, a first state being that two end points on the cable network plug are not in short circuit, and a second state being that the two end points on the cable network plug are in short circuit; s2, automatically selecting a power-off control mode, selecting a first power-off control mode in a first state, and selecting a second power-off control mode in a second state; s3, receiving a power-off control instruction from a geologic test launch control, wherein the power-off control instruction comprises a bus message and a switching value control signal; s4, in the first power-off control mode, when the power-off control instructions are all valid, generating and outputting a high-level power-off control signal to execute power-off; and in the second power-off control mode, when any one of the power-off control instructions is valid, generating and outputting a high-level power-off control signal to execute power-off. According to the embodiment of the invention, the universal design of the power-off control circuit with different requirements is realized.

The application discloses a kind of orthogonal formula cable net air film support structures for shallow round warehouse construction, including orthogonal formula cable structure, lower air bag type membrane structure, upper air bag type membrane structure and connecting cooperation assembly;The orthogonal formula cable structure is fixed on the shallow round warehouse concrete ring beam.Greatly improve construction safety, reduce operation risk, reduce high-altitude dangerous operation: core components (such as main cable, secondary cable, membrane body) are prefabricated in factory, only need to assemble and hoist on site, avoid traditional full frame a lot of high-altitude erection operation, reduce the hidden trouble of high formwork collapse, high-altitude falling object from source, main cable and secondary cable are realized rigid fixation by metal connecting buckle, avoid cable net dislocation.Optimize load conduction, improve structural bearing reliability, orthogonal cable net balanced stress, main cable and secondary cable are perpendicular and cross and adhere to each other, form mesh stress system, the load of conical shell formwork is evenly transmitted to shallow round warehouse concrete ring beam, avoid local stress concentration.