50results about How to "Improve engineering adaptability" patented technology

The invention provides a grouting curtain parameter design method for structure protection under the blasting vibration effect, and relates to the technical field of underground engineering and blasting engineering, and the grouting curtain parameter design method comprises the following steps: S1, determining main factors influencing the vibration velocity of a protection structure, and constructing a vibration velocity prediction model containing an undetermined coefficient by adopting a dimension analysis white golden-han theorem; s2, establishing a finite element blasting numerical model, and obtaining structural vibration velocity data under different parameter combinations; s3, fitting the structural vibration velocity data by using the vibration velocity prediction model, and determining an undetermined coefficient in the vibration velocity prediction model; and S4, a relational expression between the structural vibration velocity and stress is established, and grouting curtain design parameters meeting structural safety requirements are determined in combination with engineering conditions. By means of the method, the problem that the grouting curtain damping effect and grouting curtain parameters are difficult to determine in actual engineering is solved, the blasting vibration peak value of the protection structure under the blasting vibration effect is effectively reduced, and a guarantee is provided for underground and ground structure protection and blasting engineering safety construction.

The invention discloses an automatic causal structure generation method based on semantic representation and logical reasoning of a large language model. The method comprises the following steps: acquiring an input text; performing semantic coding and clustering on the obtained input text by utilizing a large language model, and establishing a candidate causal variable set; causal relationship detection is carried out on the established candidate causal variable set based on anti-fact intervention and do-calculation; performing causal direction judgment, and generating a directed acyclic causal graph meeting logic consistency; and on the basis of the generated directed acyclic causal graph, natural language interpretation is generated by using a large language model, and logic consistency closed-loop verification is carried out. According to the method, automatic generation from the natural language to the causal structure is realized, the causal variable set is automatically extracted and constructed from the unstructured natural language text, the defects that variables need to be manually defined and modeling depends on field experts in the existing causal modeling process are avoided, and the labor cost and professional threshold of causal structure construction are remarkably reduced.

The invention provides an electronic device, a ceramic substrate and a preparation method thereof, and relates to the technical field of semiconductors. The ceramic substrate comprises a ceramic base body and a liquid channel layer, the liquid channel layer is arranged in the ceramic base body, the liquid channel layer and the ceramic base body are integrally sintered and formed, the liquid channel layer comprises a liquid channel, the liquid channel is used for containing a cooling medium, and the liquid channel extends in the ceramic base body along a three-dimensional space path. The preparation method of the ceramic substrate comprises the following steps: preparing slurry containing ceramic powder, preparing a sacrificial template matched with a target liquid channel in shape, pouring the slurry to coat the sacrificial template, filling a mold with the slurry to obtain a ceramic blank, removing the sacrificial template to form a hollow channel in the ceramic blank, and sintering to form the ceramic substrate with the liquid channel. The electronic device comprises the ceramic substrate, a component and a liquid cooling circulation system.

The application relates to the field of wastewater treatment catalysis, and discloses a Fe-Cu-Mn ternary hydrotalcite-like catalyst and a preparation method thereof, which comprises iron, copper and manganese; the iron, copper and manganese are distributed in the layer plate metal central site in an atomic dispersion mode; the layer plate oxygen octahedron is in a non-symmetrical stretching distortion state; a 3.2-4.8 degree deviation is generated in the manganese oxygen copper bond angle in the layer plate; the lattice parameter a of the layer plate 110 crystal face direction is 0.305-0.312 nm; the molar ratio of copper to manganese is 1:2-1:5; and the molar sum of copper and manganese to the molar ratio of iron is 2:1-4:1. According to the application, the lattice non-symmetrical distortion induces the space overlap of the auxiliary metal and the iron active center orbit, an electron transfer path is constructed, the shielding effect of the hydroxyl ion on the iron active site under the alkaline environment is eliminated, the catalytic site activity is maintained, and stable and efficient catalytic treatment under wide pH working conditions is realized.

The application relates to the technical field of vehicle part maintenance, in particular to a vehicle part matching method and system based on VIN code analysis, which comprises the following steps: a VIN code analysis module is used for segmentally analyzing the VIN code of a vehicle to be matched, and vehicle configuration information with ambiguity eliminated is generated; a part matching module is used for matching candidate part configuration information sets in an engineering database according to a candidate part matching strategy; an assembly constraint checking module is used for screening out unusable parts that do not satisfy preset reference conditions according to an assembly constraint checking strategy, and obtaining available configuration information sets; a part assessment module is used for analyzing historical maintenance, engineering change frequency and vehicle consistency data of the vehicle according to a confidence assessment strategy, and determining the confidence weight of the available configuration information sets; and a part matching output module is used for analyzing the confidence weight value according to a matching result output strategy, and generating part matching information. The application has the effects of reducing VIN code configuration ambiguity caused by engineering changes and improving part matching accuracy.

This invention discloses a radiation source signal classification method based on pulse-level multi-source separation, mainly addressing the problem of poor radiation source signal classification performance in complex electromagnetic environments using existing technologies. The implementation steps are as follows: 1) Receiving broadband intermediate frequency or baseband signals and performing pulse detection; 2) Estimating the direction of arrival and constructing pulse descriptors for the detected pulses based on a multi-element antenna structure; 3) Modeling a pulse-level multi-dimensional feature space and performing density peak clustering based on temporal consistency constraints within this space; 4) Adaptively estimating the number of radiation sources and reconstructing the pulse sequence, performing multi-physical domain feature extraction; 5) Fusing the multi-physical domain features to complete the classification and identification of radiation source signals. This invention can effectively distinguish pulses from different radiation sources in complex electromagnetic environments, while effectively reducing the system's storage and computing resource consumption while ensuring high recognition performance.

The application provides a kind of equipment residual life adaptive prediction method of fusion multi-source data, it is related to equipment residual life prediction technical field, specific steps include: obtaining the equipment operating data and corresponding environmental parameters under different working conditions, construct the first data set;Each source feature vector is constructed, uniform dimension mapping is executed, global degradation reference construction and deviation representation processing between sources are carried out, and life sensitive source sequence is obtained;Degradation stage feature is constructed and stage difference representation processing is carried out, and stage memory sequence is obtained;Life reduction feature is constructed and degradation consumption representation processing is carried out, and basic residual life reduction sequence is obtained;Working condition deviation feature is constructed according to basic residual life reduction sequence, life sensitive source sequence end time feature and stage memory sequence end time feature, and residual life correction quantity is generated;The equipment residual life prediction result is obtained according to basic residual life reduction sequence and residual life correction quantity.

The utility model discloses an assembly type H-shaped steel column connecting structure applied to foundation pit engineering, which comprises a connecting mechanism arranged between two H-shaped steel main bodies, each H-shaped steel main body consists of two flanges and a web plate, the connecting mechanism comprises two rectangular plates and two U-shaped plates, the two rectangular plates are respectively positioned on the outer sides of the two flanges on the same side, and the two U-shaped plates are respectively positioned on the outer sides of the two flanges on the same side. The two U-shaped plates are located on the outer sides of the two web plates correspondingly, a plurality of mounting grooves are formed in the rectangular plate, driving rods are mounted on the inner sides of the mounting grooves in the rectangular plate, and threaded rods are fixed to one ends of the driving rods. Balanced supporting and stable positioning can be provided for connection through the rectangular plate and the U-shaped plate, so that the stability and durability of the whole structure are enhanced, in addition, the driving rod and the threaded rod are arranged on the inner side, the loosening situation possibly occurring when the driving rod and the threaded rod make contact with an underground soil layer is effectively prevented, and the reliability and long-term stability of connection are guaranteed.

The present application relates to the field of aero-engine health management and residual life prediction, and discloses a residual life prediction method of aero-engine fusing machine learning and improved GM(1, N) model. The method faces aero-engine multi-source monitoring data, firstly, the working condition and sensor time sequence are preprocessed and feature construction is carried out; then, the adaptive window division is carried out on the operation sequence of a single engine, so that different stages are allowed to present different dynamic characteristics; further, the total life is introduced as a unified unknown quantity to construct the main variable of residual life, the grey modeling is established in each window, and the robust solution is carried out according to the relative error criterion, the total life estimation is obtained by searching, and the residual life prediction value is output; when the training data is available, the life estimation and fitting error output by the grey model are taken as additional features, which are fused with the original features and input into the machine learning model for integrated prediction, so as to form a solution for the residual life prediction of aero-engine.

The application discloses a wet absorbent for flue gas synergic dechlorination and debromination and a preparation method and application thereof. The wet absorbent comprises, according to the total mass of the wet absorbent, 1-15% of calcium hydroxide, 0.01-1.5% of sodium hypochlorite in terms of effective chlorine, 0.01-3% of a hydrophilic ionic liquid, and the balance of water. The wet absorbent is mainly composed of calcium hydroxide as a basic absorption component, sodium hypochlorite as a bromine-containing species oxidation conversion component, the hydrophilic ionic liquid as a gas-liquid interface regulation and mass transfer promotion component, and sodium hydroxide as an alkalinity adjustment component. Through the cooperation between the components, a synergic dehalogenation path of 'interface mass transfer-basic absorption-oxidation conversion' is formed in the absorption process, thereby improving the competitive absorption problem under the coexistence of hydrogen chloride and hydrogen bromide, and improving the continuous dechlorination and debromination performance of the wet absorbent.

The application provides a kind of oil storage facility protection research method, and relates to the technical field of oil storage tank research.The application takes vertical steel oil tank and other oil storage facilities as application scene, studies composite material, establishes the constitutive model of composite material, combines simulation characterization means to find out the structure performance relationship, carries out the adaptability research of composite structure in oil storage equipment, anti-vibration protection research and application research;Propose the protection report of multi-layer composite structure in tank bottom and pool bottom, provide technical support for safe and stable operation of oil storage facilities.Through the macroscopic and microscopic multi-scale structure design of material, the composite material is formed for oil storage facilities, and the safety and reliability of oil tank and other bottom replacement engineering are improved.The technical scheme of the application can be used to guide the reconstruction, repair and construction project of oil storage facilities such as vertical steel oil tank in cave warehouse, can significantly shorten the construction period of oil tank bottom replacement engineering, the tank capacity loss is small, the safety hidden danger of welding open flame is reduced, the safety risk of vertical oil tank is greatly reduced, and the use convenience is improved.

The invention relates to the field of robot balance control, and discloses a control parameter optimization method of a second-order balance robot. According to the method, for a second-order balance system formed by connecting a vehicle body and a swing rod in series, a dynamic model and a linearization discrete state space model are established, and a linear quadratic regulator control framework is constructed; taking diagonal elements of the state weight matrix as to-be-optimized parameters, mapping the to-be-optimized parameters to a logarithmic scale search space after left-right symmetry constraint dimensionality reduction processing, and performing optimization by adopting a particle swarm optimization algorithm; and a composite cost function including a core error term, a control saturation term and a control stability term is constructed based on vehicle body inclination angle response, swing rod inclination angle response, control input and closed-loop poles, and an optimal state weight matrix and a corresponding control gain are output to serve as optimal control parameters of the second-order balance robot. The second-order balance robot control parameter setting method can improve pertinence and stability of second-order balance robot control parameter setting.

The invention belongs to the field of laser cladding and surface engineering, and particularly relates to ceramic particles for laser cladding and a preparation method and application of the ceramic particles. The method comprises the following steps: pretreating ceramic particles, sensitizing the ceramic particles in a tin ion solution, activating the ceramic particles, and depositing a Ni-P coating layer to obtain the ceramic particles for laser cladding. When the ceramic particle for laser cladding is used for aluminum alloy laser cladding repair, particle-matrix wettability and interface metallurgical bonding can be remarkably improved, generation of non-wettability, incomplete fusion and pore defects is reduced, and therefore the compactness and bonding strength of a cladding layer are improved, the agglomeration, sinking and incomplete fusion defects are restrained, and the service life of the cladding layer is prolonged. And the compactness, microhardness, wear resistance and corrosion resistance of the coating are improved. The method has the advantages of mild process, high applicability and easiness in batch production and field repair popularization, and is suitable for surface strengthening and remanufacturing repair engineering of various ceramic / metal combinations.

The invention relates to the field of mechanical surface engineering and bionic design, in particular to a bionic tooth surface microstructure concrete design method. The method comprises the following steps: acquiring point cloud data of a shell body surface, and constructing a shell body surface three-dimensional model by using the point cloud data; constructing a bionic coupling element matrix by using the shell body surface three-dimensional model; constructing an equal-arc-length parameter sequence and a gray mapping matrix based on the bionic coupling element matrix, and constructing a structural feature matrix by using the equal-arc-length parameter sequence and the gray mapping matrix; and establishing a tooth surface geometric model of the target gear, and mapping the structural feature matrix to a parameter domain of the tooth surface geometric model to obtain initial micro-texture geometric distribution. And constructing a morphological design parameter matrix, and regulating and controlling the initial micro-texture geometric distribution by using the morphological design parameter matrix to obtain a bionic tooth surface micro-texture model. The problem that in the prior art, a quantitative conversion method from biological structure geometric characteristics to engineering tooth surface micro-texture design parameters is lacked is solved.

This invention discloses a motor speed estimation method, apparatus, motor control method, and system based on Koopman operator error compensation. The method includes: calculating two speed test values ​​using backward differential and center differential methods respectively based on the rotor position signal acquired by the motor encoder; calculating the difference between the two speed test values ​​as the speed error value at the previous time step k-1; constructing a prediction input; predicting the speed error based on the Koopman operator K and the prediction input to obtain a predicted error value; calculating the motor speed prediction value based on the predicted error value and the speed test value; and updating the Koopman operator at the next time step. Compared with existing technologies, this invention has strong engineering adaptability, is suitable for high-dynamic motor control systems, and has high detection accuracy.

This invention relates to the field of industrial organic wastewater pretreatment technology, and proposes a non-powered automatic proportioning device for pretreatment of polysaccharide alcohol wastewater. The device incorporates a proportioning component on the wastewater inlet pipe. This component includes an axially movable proportioning slide and a linked Venturi channel. The proportioning slide contains a proportioning pipe connected to the drug supply chamber. The polysaccharide alcohol wastewater flows through the Venturi channel under its own transport pressure, creating a negative pressure at the throat and driving the proportioning slide to displace. This simultaneously opens the wastewater passage and draws in the treatment solution, achieving non-powered automatic proportioning and premixing under high-viscosity wastewater conditions. The device uses a three-way valve to switch between direct discharge and automatic proportioning modes, improving the stability and uniformity of water-chemical mixing during the pretreatment of high-viscosity polysaccharide alcohol wastewater without requiring external power for dosing.

The invention discloses a GIS partial discharge monitoring and early warning method and device based on multi-antenna cancellation and multi-mode fusion, and the method comprises the steps: collecting GIS partial discharge original signals through N groups of external ultrahigh frequency antennas, inhibiting multi-source interference through combining a noise template windowing translation method, and outputting pure partial discharge signals; the method comprises the following steps: synchronously acquiring multi-mode data of bus voltage and current, cleaning the data by adopting a sliding window + linear interpolation + 3 sigma criterion, and extracting time domain and frequency domain features; multi-modal features are fused based on an attention mechanism, a lightweight CNN-LSTM model is input to realize partial discharge trend prediction and grading early warning, and model precision is optimized through a cross entropy loss function; and transmitting an early warning result to a digital platform, and after early warning is triggered, carrying out iterative optimization on model parameters according to an on-site maintenance verification result. According to the method, the extraction rate of partial discharge signals in a complex electromagnetic environment can reach more than 90%, the processing delay is less than or equal to 1ms, the early warning accuracy is improved by 10% +, and the method is suitable for external monitoring of 500kV-1000kV extra-high voltage GIS equipment.

This invention discloses a stable torque transmission system for a photovoltaic tracking bracket, comprising a main shaft, a circular tube synchronous shaft, a torque transmission connecting sleeve, an inner reinforcing member, and a flexible limiting structure. The end of the circular tube synchronous shaft is locally shaped to form a shaped torque transmission section including a shaped torque transmission area and an arc-shaped stabilizing area retaining the original circular tube's outer arc contour. The torque transmission connecting sleeve is fitted onto the outer wall of the shaped torque transmission sections of two adjacent circular tube synchronous shafts to achieve torque transmission between the synchronous shafts through surface-to-surface mating. The inner reinforcing member is disposed inside the shaped torque transmission section to enhance the local strength and anti-instability capability when the end is connected to the reducer. The flexible limiting structure is connected between the main shaft and the circular tube synchronous shaft to limit the radial displacement of the synchronous shaft and allow it to rotate relative to the main shaft. This invention balances the stable torque transmission of the shaped surface with the stability of the circular tube structure, reducing off-center wear in the connection area and improving the long-term operational reliability of the system.

The utility model discloses a kind of clamping jack and its whole bundle cable threading machine, it is related to the steel strand cable threading technical field of construction, bridge cable-stayed cable construction engineering, it includes cylinder body and piston rod of one end sliding connection in the cylinder body and the other end stretches out the cylinder body outside, the end of the cylinder body that stretches out piston rod is connected with barrel clamping head, steel strand transmission channel is radially equipped in the middle of this clamping head, the piston rod stretching out end is connected with clamping fork, the clamping fork is installed in the movement channel that is axially equipped in the clamping head, the clamping head is installed with steel strand inductor, compared with prior art, the utility model realizes accurate clamping to steel strand, improve the friction with steel strand, avoid the cable threading slip, can improve the reliability of steel strand compression, also can be used for cable threading different specifications whole bundle steel strand, improve the applicability of cable threading machine.

The invention discloses a synergistic preparation method of an all-solid waste road base material containing stone powder and recycled coarse aggregate, and belongs to the technical field of road engineering and solid waste recycling. The method comprises the following steps: taking recycled coarse aggregate, recycled fine aggregate and stone powder as cores, matching with steel slag, fly ash and desulfurized gypsum to construct an all-solid-waste system, carrying out optimization pretreatment on the raw materials, mixing 65-78 parts of recycled coarse aggregate, 20-28 parts of recycled fine aggregate, 12-18 parts of stone powder, 12-19 parts of steel slag, 7-14 parts of fly ash, 4-7 parts of desulfurized gypsum and 2.5-4.5 parts of an exciting agent, and uniformly stirring to obtain a mixture; and finally, carrying out natural curing in a standard curing box to obtain the road base material. 100% solid waste utilization is achieved, the 28d unconfined compressive strength of the material is larger than or equal to 5.2 MPa, carbon emission is reduced by 60% or above, large-scale equipment is not needed, the material is suitable for road bases in multi-climate areas, and environmental protection and engineering performance are both considered.

This invention discloses a testability modeling method for radio frequency (RF) systems based on an improved autoencoder, belonging to the field of RF system testability modeling. The method involves establishing a simulation circuit model, acquiring and expanding measurement data, using a voltage drop threshold to perform fuzzy group annotation on the expanded measurement data to obtain a multi-valued D matrix, establishing an autoencoder model, and initializing its parameters, training the simulation circuit model, and finally outputting a reconstructed matrix. This invention incorporates a fuzzy group constraint loss function into the autoencoder, resulting in an improved autoencoder. This improved autoencoder can learn the intrinsic structure of the data, discover data patterns through training data, and correlate fault fuzzy groups with latent representations when processing analog circuit test signal data, thereby verifying the rationality of the fuzzy group partitioning.

The present application belongs to the technical field of gas insulated metal enclosed transmission line (GIL) bridge laying, and particularly relates to a GIL suspension system laid along the bottom of a bridge and integrated with multi-grade vibration reduction and self-monitoring, which can be applied to GIL power transmission projects of large-span bridges across rivers or seas. The present application provides a liquid anti-sloshing vibration reduction and piezoelectric monitoring integrated system for GIL pipes laid along a bridge, which solves the problems of poor deformation adaptability, obvious wind-induced sloshing, narrow vibration isolation frequency band, insufficient self-vibration suppression and complex state monitoring of the existing GIL bridge laying support system, realizes four-stage collaborative vibration reduction of "hinged energy release-tuned anti-sloshing-elastic vibration isolation-damping vibration suppression", and realizes self-driven monitoring of the vibration state by using the liquid sloshing of the anti-sloshing tank to drive the piezoelectric unit.

This invention relates to the field of membrane separation process control technology, and provides a full-membrane method for concentrating and purifying iron phosphate by makeup water reuse regulation. The system includes a white material tank, a pre-concentration and washing unit, an intermediate white material storage tank, a washing and concentration unit, and a purified white material storage tank connected in sequence. It also includes a white material analysis module that uses solid content uniformity as a prerequisite check combined with conductivity distribution characteristics to determine the membrane inlet status into four types: normal material inlet, abnormal material flow, localized abnormal mixing, or overall high salt load. A membrane segment evaluation module assesses the effectiveness of makeup water using both desalination release degree and filtration impedance as dual indicators. Based on this, a tiered decision-making module determines the average makeup water strategy for the entire membrane segment or localized makeup water strategies and allocates makeup water to different membrane segments based on effectiveness. This system, through the coordinated control of accurate membrane inlet status identification and quantitative assessment of makeup water effectiveness, significantly reduces energy waste and concentration load caused by ineffective makeup water.

The invention discloses a nanometer eutectic precipitate reinforced nickel-based alloy coating and a preparation method of the nanometer eutectic precipitate reinforced nickel-based alloy coating, and belongs to the technical field of component design and structure regulation and control of laser cladding nickel-based alloy materials. A metallurgical environment beneficial to WC dissolution and carbon activation is constructed in a laser molten pool, so that WC does not exist in a final reinforced particle form any more, but participates in an in-situ reaction as a carbon source and a tungsten source, and fine and dispersed W5 (Si, B) 3 and Mo2C nano eutectic precipitates with good interface compatibility with a nickel-based matrix are synchronously generated; and therefore, active regulation and control on the size, distribution and interface structure of the carbide are realized from the aspect of a reinforced phase forming mechanism, and the problems of weak interface bonding and non-uniform structure caused by traditional additional ceramic particles are fundamentally avoided.

The application provides a double flexible contact phased adaptive three closed loop hybrid control method, system and readable storage medium, comprising: real-time monitoring of the contact state and contact force of the robot end and the workpiece surface; identifying the non-contact, contact transition or stable contact phase according to the relationship between the contact force and the expected force; packaging the three phases into three control experts, inputting the contact force, position error, tangential velocity and curvature information into the gate network to dynamically output the fusion weight, adopting the zoning and time-sharing weight distribution strategy to weight and fuse the position correction amount of each expert to generate the control instruction. The second expert introduces semi-active damping to enhance the force overshoot of double flexible contact inhibition, and the third expert adopts double channel decoupling control to compensate the time-varying stiffness. The system comprises a robot body, a sensor module and a controller. The application realizes full-process smooth switching and high-precision force control under double flexible contact, and is suitable for wind power blade roll coating and other operations.

The invention belongs to the technical field of shale gas effusion early warning, and discloses a shale gas effusion early warning method and system based on an anti-interference multi-classification technology, the method predicts various abnormal working conditions of a gas well based on a Transform multi-classification model, and on the basis of oil pressure, casing pressure, instantaneous flow rate, downstream pressure and other production dynamic data, through a sliding window and difference calculation, the gas well pressure can be accurately measured. Constructing a time sequence feature, a statistical feature, a periodic feature and an event feature by a self-attention mechanism, and raising the dimension of original four-dimensional data to a 441-dimensional feature vector; based on the gas well static features, gas well static feature vectors are extracted; and the characteristics of production dynamic data and gas well static data are fused for reasoning, so that the generalization ability of the model is remarkably improved. Preprocessing and auxiliary judgment are carried out by applying a rule with relatively high certainty in business knowledge, so that the model effusion abnormity alarm performance is improved.

The application discloses an elevator safety double prevention mechanism operation effect evaluation method, and particularly relates to the elevator safety technical field; a perturbation guide matrix containing multiple source perturbation factors is constructed, which is used for simulating the perturbation response of the elevator in the limit sub-failure state; the response characteristics of the first prevention mechanism and the second prevention mechanism are collected, a nonlinear robustness mapping function is constructed, and a redundant coupling response curve is generated; the response curves under multiple scenes are subjected to cluster analysis, mechanism fragile spectrum is extracted and mapped to a system risk response space, and a weak distribution atlas is constructed; control logic and structure path backtracking are performed based on the atlas, and potential implicit coupling fault points are identified; finally, an evaluation report containing weak response characteristics, trigger thresholds and optimization suggestions is output; the application has high-precision and high-adaptability safety performance evaluation capability, and can reveal hidden safety problems such as response lag, mechanism takeover difficulty and coupling interference in advance.

This invention discloses a cable protection box for cables passing through a seismic isolation layer, relating to the technical field of cable protection boxes. It includes a box body with a cable outlet at the top and a cable inlet at the bottom; a shaped truss fixed to the upper part of the box body, with a cable passage gap formed between its top surface and the top surface of the box body; the center of its top surface protrudes upward to form an arc-shaped mounting surface, on which a cable fixing assembly is mounted; a shaped bracket fixed to the lower part of the box body and located directly below the shaped truss, extending horizontally and aligning with the length of the truss; the center of its top surface is recessed downward to form an arc-shaped support surface; the cable outlet is horizontally located to the side of the arc-shaped mounting surface and the arc-shaped support surface. This invention, through the cooperation of the arc-shaped mounting surface and the arc-shaped support surface, forcibly locks the bending radius of the detour section by the geometric dimensions of the arc surface, and the redundant buffer section is supported by the concave arc contour and maintains a smooth arc shape, resulting in strong seismic resistance and meeting the cable bending curvature requirements.

The utility model relates to a kind of pulley support mechanism for shield machine cable, involve cable stay construction field.It includes: pulley: including support camber, support camber top is used to place cable;Support component: pulley rotation connection the support component, for providing the rolling friction of pulley to cable when cable pulling;External component: suspension installation is in cable bridge frame.The utility model provides a kind of pulley support mechanism with simple structure, easy to install, can effectively reduce the frictional resistance when cable moves, and ensure its stable operation in narrow construction environment, to reduce artificial cost and improve laying efficiency.