44results about How to "Meet stability requirements" patented technology

According to the pole piece thickness control method, a dynamic regulation and control mechanism is constructed by detecting the thickness of a pole piece in real time and calculating the thickness deviation in real time, once the thickness deviation is larger than a preset threshold value, a system can give out an instruction in real time, a rolling mechanism is driven to adjust a roll gap, and it is ensured that the rolling thickness of the follow-up pole piece is stable and consistent; the requirements on the thickness consistency and stability of the pole piece are met, so that the product defects are reduced, and the product qualification rate is improved; reworking and scrapping are reduced, the production cost is reduced, meanwhile, the downtime is shortened, and the production efficiency is improved.

The present application relates to the technical field of steel rail construction, in particular to a mounting tool for damping steel rail, comprising a supporting structure, a pull rod and a pull hook, the supporting structure forms a supporting cooperation with the corresponding part on the steel rail; the pull rod is arranged on the supporting structure and can move and rotate relative to the supporting structure; the pull hook is connected to one end of the pull rod close to the rail bottom, and the pull hook is provided with a hook part for hooking the bottom of the spring piece. The present application drives the pull rod to move with the supporting structure as the fulcrum or counterforce point, drives the pull hook to move, forces the spring piece to elastically deform, thereby realizing the rapid installation or disassembly of the spring piece at the rail bottom of the steel rail, overcoming the defect that the large clamping force of the spring piece is difficult to operate manually, and having the advantages of labor-saving operation, efficient installation and disassembly, good installation consistency and the like.

This utility model relates to the field of electrical energy detection technology, and proposes a high-current electrical energy detection device with closed-loop control function. The device includes: a programmable power source module, including an output drive unit for outputting current, voltage signals, and waveforms within a large current range; a standard measurement module connected to the output drive unit for detecting the current, voltage signals, and waveform parameters output by the output drive unit; a waveform sampling module connected to the output drive unit for sampling the waveform output by the output drive unit; a closed-loop control module bidirectionally connected to the programmable power source module and the waveform sampling module for adjusting the current, voltage signals, and waveforms; and an external device detection interface connected to the output terminal of the output drive unit for connecting different types of high-current metering devices. This utility model solves the problems of measurement error superposition, unstable output, and insufficient measurement range in traditional detection devices.

The invention relates to the technical field of power grids, in particular to a distributed new energy acceptance capacity dynamic calculation method and system, and the method comprises the steps: constructing a combined small-disturbance dynamic model for distributed new energy access, and obtaining a stable constraint boundary; establishing an optimization model by taking distributed new energy acceptance capacity maximization as a target function; and solving the optimization model by adopting a self-adaptive particle swarm algorithm to obtain the maximum acceptance capacity of the distributed new energy in the current operation state of the power distribution network. According to the invention, based on the equivalent dynamic model of the network-forming inverter and the state-space equation of the power distribution network, the combined small-disturbance dynamic model is constructed and the stability analysis is carried out, the stability constraint is directly introduced into the acceptance capacity optimization, and the adaptive particle swarm algorithm is adopted for solving, so that the maximum access capacity of the distributed new energy can be accurately evaluated. Meanwhile, small-interference stability of the system and operation constraints of the power distribution network are considered, and calculation precision, efficiency and engineering application value are improved.

This invention discloses a method for preparing and applying an antibacterial composite coating based on quaternized zinc oxide nanoparticles. The preparation method includes: grafting quaternary ammonium salt compounds onto the surface of zinc oxide nanoparticles to prepare synergistic antibacterial nanoparticles; modifying the substrate surface by co-deposition of dopamine and polyethyleneimine to introduce active functional groups; and spraying or dipping the quaternized zinc oxide nanoparticles onto the modified substrate surface to obtain the antibacterial composite coating. This novel antibacterial material preparation scheme can integrate the advantages of zinc oxide nanoparticles and quaternary ammonium salts, while solving key technical problems such as nanoparticle aggregation, weak interfacial bonding, and limited antibacterial efficiency. It is of great significance for promoting the upgrading of hygiene and safety in the fields of medicine, food, and building materials.

This invention discloses a flexible protection structure for modified and reinforced surface soil slopes of high-fill embankments and a method for stability prediction. The protection structure includes a multi-level platform slope and a drainage structure. The top of each platform is a flexible retaining structure, which is constructed in layers of low-dosage modified soil. Each layer of low-dosage modified soil is wrapped by a layer of geogrid. Vertical steel beams for support are installed inside the flexible retaining structure at the toe of the slope. The slope of the multi-level platforms is filled with high-dosage modified soil. The drainage structure includes a mesh-like water collection and interception structure, T-shaped drainage pipes, and drainage boards. This invention fully utilizes the skeletal function of the slope protection structure, the erosion and softening prevention function of the drainage structure, and the flexible retaining structure to protect high-fill embankment slopes in hot and humid southern regions under the premise of low construction cost, fast construction speed, and guaranteed construction quality.

The utility model relates to mechanical processing technical field, concretely is a horizontal machining center workstation quick positioning locking device, include: base is provided with the sliding slot, adjusting assembly includes the sliding block, and the sliding block is connected with the sliding slot of base sliding, and the sliding block is provided with four and is provided with through -hole in the middle, fixed component, including support axle, support sleeve, connecting axle and clamping plate, support axle is welded on the sliding block and among two settings have thread, support sleeve is connected with the threaded support axle screw thread and is connected with two outer two support axle sliding, and the connecting axle bottom end is rotatably connected with the support sleeve, and the clamping plate is connected with the connecting axle sliding, and the device is through the cooperation of adjusting assembly and fixed component, realizes the quick positioning of workstation and the steady locking of object.

The utility model relates to a kind of miniature direct-current brushless motor, including shell, and shell is equipped with accommodating cabin;With the motor rear cover and motor front cover of accommodating cabin seal connection;Stator core is equipped in accommodating cabin;With the rotor assembly matched with stator core;PCBA board is equipped in accommodating cabin;Motor rear cover is equipped with electric connection interface, electric connection interface is operatively electrically connected to PCBA board;The center of motor rear cover is equipped with the stator support shaft extending into accommodating cabin, stator core is fixedly sleeved on stator support shaft;Motor front cover is equipped with insert sealing joint part, insert sealing joint part is used to insert into gear box and form sealed connection with gear box;The output end of the motor shaft of rotor assembly extends outward through insert sealing joint part.It replaces traditional motor.The miniature direct-current brushless motor can effectively solve the problems in the prior art through innovative structural design, improve the performance, reliability and service life of motor in smart home device.

The invention discloses a zero-dimensional indium-based organic-inorganic hybrid perovskite material and a synthesis method thereof, and belongs to the technical field of photoelectric materials, the perovskite material has a general formula, R is one or more organic cations selected from methylamine, formamidine and cesium, and X is one or more halide ions selected from methylamine, formamidine and cesium; the invention further discloses a synthesis method of the material, the synthesis method comprises the steps of precursor solution preparation, coordination regulation and control, solvothermal reaction, product separation, surface modification, purification and drying, and the crystal structure and the surface chemical environment are precisely regulated and controlled through the synergistic effect of coordination regulation and surface passivation. The photoluminescence quantum yield of the material reaches 82% or above, and the material has excellent luminescence performance in a solution state, has ultrahigh environmental, water and thermal stability, and is lead-free, non-toxic and environment-friendly; the material can be widely applied to the photoelectric fields of light emitting diodes, X-ray scintillators, photocatalysis and the like, and the device performance is excellent.

The utility model provides a shell structure of an automobile controller with an integrated shell and an interface panel, which belongs to the technical field of automobile controllers and comprises a lower shell, an upper cover inserted at the end part of the lower shell, and a mainboard fixedly connected inside the lower shell, the lower shell comprises a shell body, a supporting column arranged on the inner side wall of the shell body, an installation hole formed in the side wall of the shell body and an insertion strip arranged on the side wall of the end portion of the shell body. The upper cover comprises a cover plate base body and a buckle arranged on the side wall of the end portion of the cover plate base body. The automobile controller shell has the advantages that the lower shell and the upper shell are used in cooperation, stable connection is formed between the automobile controller shell and a mainboard, the overall structural strength of the automobile controller shell is effectively improved, the automobile controller shell can adapt to various vibrations and impacts in the running process of an automobile, elements such as the internal mainboard are protected, and the service life of the automobile controller shell is prolonged. Damage to the main board in the installation and use process is effectively avoided, and meanwhile dislocation of the main board in the installation process can be prevented.

The application is suitable for the technical field of support regulation and control, and discloses a water-rich roadway tunneling support regulation and control method based on real-time geophysical prospecting feedback, which comprises the following steps: obtaining initial support parameters of a to-be-tunneling section and real-time geophysical prospecting data in front of a current tunneling face; determining a predicted evolution curve of the surrounding rock of the to-be-tunneling section under the current tunneling disturbance based on the real-time geophysical prospecting data and a preset surrounding rock stability analysis model; obtaining surrounding rock deformation measured data of a section exposed in the current tunneling process, correcting the surrounding rock stability analysis model according to the measured data, and generating a corrected surrounding rock evolution curve of the to-be-tunneling section by using the corrected surrounding rock stability analysis model. The application effectively solves the defect that a traditional support scheme cannot respond to dynamic changes of surrounding rock in a tunneling process in real time due to the dependence on static and discrete drilling data, improves the prediction accuracy of the surrounding rock stability analysis model, and provides a geological basis for dynamic support regulation and control.

A special rear suspension for an engineering truck relates to the technical field of engineering truck accessories and comprises a rear suspension welding part, a rear suspension tail plate welding part is fixed at the tail of the rear suspension welding part, a plurality of rear suspension handrails are fixed on the side face of the rear suspension tail plate welding part, and two groups of oil tank fixing plates which are symmetrically arranged front and back are fixed in the middle of the rear suspension welding part. A water pump base is mounted in the middle of the rear suspension welding part, a rotating shaft lug plate is fixed to the position, close to the bottom, of the middle of the rear suspension welding part, a motor mounting plate is mounted on the upper portion of the front end of the rear suspension welding part, and a rear beam welding part is fixed to the tail of the rear suspension welding part. The drill jumbo is convenient for workers to carry out collective maintenance, meanwhile, the overall shape of the drill jumbo can be reduced, the structure of each welding part meets the overall stability requirement, and the drill jumbo is simple and reasonable in structure, high in reliability, high in integration and short in production period.

The invention discloses a shaft combined construction method, and relates to the technical field of shaft construction. Comprising the following steps that firstly, construction preparation is conducted, a raise boring machine is selected, and well mouth positioning and raise boring machine leveling are conducted; step 2, guide hole construction: adopting graded drilling to form a guide hole penetrating through the upper and lower horizontal planes of the vertical shaft; 3, expanding excavation construction is carried out, slope expanding, drilling and blasting operation is carried out, and vertical shaft full-section zoning and layering expanding excavation is carried out from top to bottom with the guide hole as the center; fourthly, primary supporting is carried out, and supporting is synchronously carried out on the expanding excavation face when one layer is expanded and excavated in the zoning and layering expanding excavation process; and 5, secondary supporting is conducted, specifically, after expanding excavation and primary supporting construction are conducted to the bottom of the vertical shaft, secondary supporting is conducted on the wall face of the vertical shaft from bottom to top through the slip form. The mode that the raise boring machine guide hole and manual expanding excavation are combined is adopted, the problems of ventilation, drainage and deslagging existing in the manual expanding excavation process are solved in advance through the guide hole, the technology of secondary lining from bottom to top of the slip form is combined, and the time of the supporting procedure is greatly shortened.

The invention relates to the technical field of aquaculture environment control, and discloses a cold region crayfish hatchery Internet of Things intelligent regulation and control system, which comprises a full-automatic hatching system, and is characterized in that the full-automatic hatching system comprises a hatching unit, an environment regulation module, an identification module, a decision module and an execution unit; the hatching unit divides the crayfish hatching farm into a plurality of groups of hatching sub-units with the same area, and the interiors of the hatching sub-units are provided with the same quantity of crayfish fertilized eggs. The execution unit regulates and controls the heater, the refrigerator, the humidifier and the dehumidifier according to control instructions (first / second / third decisions and abnormal instructions) generated by the decision module and triggers the early warning device to send early warning information to workers in an abnormal state, and an intelligent management and control system with full-process automation and manual intervention cooperation is formed. The hatching success rate and the breeding efficiency are obviously improved.

This invention relates to the field of solid waste cementitious material preparation technology, specifically to a rapid-setting and hardening cementitious material based on calcium aluminoferrite from all solid waste and its preparation method, comprising the following steps: S1. Mixing and stirring modified red mud, carbide slag, mineral powder, and modified mineralizer evenly, and then pressing into shape; S2. Performing a first-stage calcination, calcining from room temperature to 950-1000℃, and then performing a second-stage calcination to 1220-1300℃ and holding at that temperature for 30-120 minutes, and cooling to room temperature to obtain modified mineral phase clinker; S3. Passing through a 200-mesh square hole sieve, mixing with modified multi-element solid waste mineral materials in a mixer, and stirring evenly to obtain the rapid-setting and hardening cementitious material based on calcium aluminoferrite from all solid waste. This invention significantly reduces the calcination temperature of clinker through the synergistic effect of various raw materials, thereby greatly reducing energy consumption and carbon emissions. The complex ionic reaction mechanism and the complementary physicochemical properties of multi-component solid waste enrich the diversity of hydration products and the density of the gel structure, thus ultimately achieving the excellent performance of "fast setting, fast hardening, and high strength" of the all-solid waste cementitious material.

The utility model discloses a pneumatic push rod formula agitator in sugar tank of sugar spraying machine relates to food processing equipment technical field, the utility model discloses a sugar tank body, the top of sugar tank body side is equipped with the fixed frame, the inboard of both sides of fixed frame is equipped with pneumatic push rod, the both sides of fixed frame are equipped with slide between, the telescopic axle of two pneumatic push rods is equipped with the moving block of slide cooperation with slide, the side of moving block is equipped with the stirring frame of being located in the sugar tank body and is rotated cooperation, be provided with connecting assembly between stirring frame and moving block. The utility model discloses the telescopic axle of pneumatic push rod drives moving block and moves along the slide repeatedly, and the rotation of rotating rod will be driven to the sliding of moving block to drive stirring frame and carry out the rotary motion, realizes all -round, high -efficient stirring of sugar liquid in sugar tank body, reduces the hidden danger that the iron filings and oil dirt drop in the sugar tank through the screw stirring.

The invention relates to an attached photoelectric health monitoring device and method based on a photoelectric detector, and the device comprises an ultrathin flexible substrate which is made of Parylene-C; the S-shaped interconnection electrode is formed on the ultrathin flexible substrate; the perovskite photoelectric detection layer with the two-dimensional Ruddlesden-Popper structure is regionally deposited on the snakelike interconnected electrode, and the general formula of the perovskite photoelectric detection layer is (PEA) 2 (MA) < n > < 1 > Pb < n > I < 3 > < n > < 1 >; the LED light source is arranged on the ultrathin flexible substrate, and the LED light source and the two-dimensional Ruddlesden-Popper structure perovskite photoelectric detection layer are located on the same plane to form a reflective detection mode; and the packaging layer covers the two-dimensional Ruddlesden-Popper structure perovskite photoelectric detection layer and the LED light source, the material of the packaging layer is Parylene-C, and the packaging layer and the ultrathin flexible substrate jointly form a symmetrical double-layer packaging structure. Compared with the prior art, the invention has the advantages of high fitness and comfort, high sensitivity, quick response, high environmental stability and mechanical durability, low power consumption, high signal-to-noise ratio, high signal quality and detection precision and the like.

The present application provides a kind of plate feeding device and feeding method, the plate feeding device includes trolley frame, hoisting assembly and walking driving mechanism, hoisting assembly includes at least two sets of horizontal transverse hoisting assembly and at least one set of lifting transverse hoisting assembly arranged along X direction and fixed on trolley frame;Combining visual recognition technology, according to the curved plate line shape, the number and position of lifting point are automatically determined, and the curved plate hoisting travel distance is monitored in real time, and the height of lifting point is automatically adjusted.The present application uses a group of lifting transverse hoisting assembly, solves the problem that traditional lifting rope cannot reach the place where the lifting point is at the edge of the curved plate with large line shape, ensures that each lifting point can be adsorbed to the surface of the curved plate.If the curved plate is too long, two groups of trolleys can be used, the horizontal transverse hoisting assemblies of the two groups of trolleys are connected towards each other, the hoisting of the overlong curved plate is realized, the stability, reliability, intelligence of the hoisting operation process are realized, the generality is strong, and the work efficiency is effectively improved.

This utility model discloses an anti-clogging dust sampler sampling rod device, belonging to the technical field of sampling equipment. It includes a dust sampler, a connecting pipe, a first mounting plate, a second mounting plate, and a chamber. One end of the dust sampler is fixedly connected to the first side of the first mounting plate. A threaded sleeve is fixedly installed on the second side of the first mounting plate, with the first and second sides of the first mounting plate facing each other. Both ends of the connecting pipe are fixedly connected to the third side of the second mounting plate and one end of the chamber, respectively. A threaded rod is movably installed on the fourth side of the second mounting plate, with the third and fourth sides of the second mounting plate facing each other. The threaded rod and the threaded sleeve are threadedly engaged. A rotatable toothed ring is installed on the surface of the connecting pipe, and a rotatable gear is installed on the third side of the second mounting plate. The gear meshes with the toothed ring, and the gear is fixedly connected to the threaded rod via a connecting rod, so that the rotation of the toothed ring drives the threaded rod to rotate synchronously through the gear. This structure balances assembly / disassembly speed with secure connection, meeting the requirements for continuous environmental monitoring.

A rear frame of a guniting trolley for a mine hole relates to the technical field of frames and comprises a rear frame hinge seat, a rear frame right side plate welding part is fixed on the side face of the rear frame hinge seat, a motor base bottom plate is fixed on the rear frame right side plate welding part, and a right rear wheel cover welding part is fixed on the side face of the rear frame right side plate welding part. According to the rear frame of the guniting trolley for the mine, parts on the guniting trolley are installed together in a concentrated mode through the rear frame, workers can conveniently conduct collective maintenance, meanwhile, the overall size of the guniting trolley is reduced, and the working efficiency is improved. The structure of each welding part meets the overall stability requirement, the structure is simple and reasonable, the reliability is high, the integration is high, and the production period is short.

The application provides a loading force control method of servo torque feedforward and linear active disturbance rejection control, and belongs to the technical field of servo hydraulic equipment control. The method comprises the following steps: constructing a servo hydraulic tensile pad dynamics model, building a simulation model of the servo tensile pad based on the servo tensile pad dynamics model and structural design parameters of a servo tensile pad test bench; collecting simulation data sets and experimental data sets, merging, weighting and preprocessing the simulation data sets and the experimental data sets to obtain a standardized feature matrix; constructing an XGBoost-based servo feedforward torque prediction model, taking the standardized feature matrix as the model input and outputting the feedforward torque; constructing a servo tensile pad second-order system model; combining the feedforward torque output by the servo feedforward torque prediction model and the feedback torque calculated by the linear active disturbance rejection control to form the final torque instruction of the servo motor. The application improves the control precision and robustness of the servo hydraulic tensile pad in the production process.

The utility model relates to the technical field of semiconductor processing equipment, concretely relates to a grid device and ion source equipment. The grid device includes conducting assembly, screen grid, acceleration grid, deceleration grid and grid mounting plate, screen grid, acceleration grid and deceleration grid are sequentially laminated and mutually spaced insulation settings, and all are installed in the open end of external ion source shell through grid mounting plate, screen grid, acceleration grid and deceleration grid all are insulated with grid mounting plate setting, and deceleration grid is close to grid mounting plate setting and is electrically connected with external current detection module through conducting assembly to output the current for detecting. The application is through the insulation setting of screen grid, acceleration grid, deceleration grid with grid mounting plate, and adds conducting assembly, and deceleration grid can be electrically connected with external current detection module through conducting assembly, and the current of deceleration grid is detected, so that the performance of ion source is more accurately evaluated, and the increasingly higher process requirement and stability requirement are satisfied.

The present application relates to a kind of support device for shield liaison passage construction and its installation method, support device at least includes: several support main shafts;Support main shaft defines the plane and the axial vertical intersection of shield tunnel, and the adjacent end of support main shaft is connected by support bar, to build complete support frame.The present application is combined with the sliding platform of drilling device by support, and support is not removed after the installation of frozen hole is completed, support bar and support main shaft constitute wedge area, and by setting the mode of multiple groups of support main shaft, the support force of wedge area is guaranteed, to effectively control the time and economic cost of freezing method construction, avoid unnecessary resource waste caused by excessively conservative support design, avoid time and resource waste under the premise of same guaranteeing liaison passage safe construction, give consideration to safety and economy.

This invention relates to a multi-bus data fusion processing method and system based on a logging tool, belonging to the field of oil and gas drilling measurement data transmission technology. The method includes receiving logging data collected by the logging tool's measurement probe and different data packets sent by the system bus; performing preliminary processing on the received logging data, including self-identification, self-diagnosis, and self-correction; identifying and converting the different received data packets; performing real-time fusion processing on the self-identified, self-diagnosed, and self-corrected logging data and the identified and converted data packets; and packaging the real-time fused data according to different communication protocols, and sending the packaged data to the system bus and / or storage unit. This invention forms a multi-bus data fusion processing system, which is embedded in the logging tool connected to the drilling string, enabling data interaction between the logging tool and other instruments in the instrument string, and achieving parallel processing and self-diagnosis of multiple sets of data.

The application belongs to the technical field of electrochemical sensors, and particularly relates to an electrochemical immunosensor for high-sensitivity detection of folic acid as well as a preparation method and application thereof. The application introduces FBP as a specific recognition element into a folic acid detection system for the first time. Compared with a traditional immunosensor based on an antibody, the system innovatively utilizes high affinity and specific binding characteristics between FBP and folic acid, constructs a sensing interface with dual functions of molecular recognition and electrochemical signal conversion by modifying FBP on the surface of an AuNFs / SNC electrode. Experimental results show that the sensor presents excellent response characteristics for FA in a linear range of 1-100 nM, and the detection limit is as low as 0.33 nM (S / N=3).

The invention discloses a medical flushing glue solution and a preparation method thereof, and relates to the technical field of flushing glue solutions, and the medical flushing glue solution is prepared by adding 0.15% by weight of sodium methyl cellulose, 0.8% by weight of sodium chloride and 99.05% by weight of medical purified water. According to the application, the content ratio of sodium carboxymethyl cellulose to sodium chloride is accurately matched with the requirement of a medical flushing scene, and meanwhile, the dosage of sodium carboxymethyl cellulose can enable the glue solution to have good flowability and moderate tissue adhesiveness, so that smooth flushing in clinical operation can be realized, a continuous moist protective layer can be formed on the surface of tissue, and the medical flushing effect is improved. The cleaning and protecting effects are effectively achieved; the dosage of sodium chloride can accurately simulate physiological osmotic pressure to ensure that the glue solution is compatible with the human tissue environment, in addition, the glue solution under the formula is excellent in stability, has no layering and precipitation phenomena within 6 months under the storage condition of 4 DEG C, and can meet the stability requirements of long-term storage and clinical use.

The embodiment of the application provides a down pressure device for a vehicle and the vehicle, and the down pressure device comprises: a mounting seat, which is used for being mounted at a side skirt of the vehicle; and a blowing assembly, which is connected with the mounting seat and comprises a plurality of blowing pieces, the plurality of blowing pieces are distributed along the length direction of the mounting seat, and each blowing piece has a first position for blowing air upward along the Z-axis of the vehicle. According to the above scheme, the down pressure device can quickly respond and flexibly adjust the down pressure of the vehicle according to the driving state of the vehicle, so as to meet the stability requirement of the vehicle.

The present application relates to the technical field of electronic packaging, and especially relates to a power electronic packaging module and a packaging method, wherein a pyrolyzable polymer film is used as a temporary carrier, and a microgroove array is constructed on the surface; nano metal solder paste is filled in the microgroove array to form a patterned metal layer; a power chip and a substrate are respectively arranged on two sides of the patterned metal layer, and are attached and temporarily fixed; the whole structure after attachment is arranged in a sintering cavity, and under the condition of 200-260 DEG C and no external pressure, the atmosphere composition and the temperature are controlled in stages, so that the polymer film is pyrolyzed and removed, the nano metal solder paste is sintered to form a metal network structure, and metallurgical interconnection between the power chip surface and the substrate is completed. Compared with a traditional interconnection scheme, the present application has design flexibility, process compatibility and long-term reliability, and provides an interconnection solution with stable structure, controllable process and suitability for mass production for a new generation of high-power module packaging.

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.