31results about How to "Reduce physical damage" patented technology

This utility model discloses an adjustable-height mixed feed mixing and feeding device, comprising: a feed hopper frame, a discharge port connected to the lower surface of the feed hopper frame, a feeding mechanism rotatably mounted at one end of the discharge port, the lower surface of the feeding mechanism being slidably mounted on the upper surface of a guide rail plate, and the guide rail plate being fixedly mounted at one end of the feed hopper frame. This application, through the design of the feeding mechanism, allows for height adjustment of the feeding trough, enabling it to flexibly adapt to the feeding height of cattle and sheep at different growth stages. Whether it is the lower height required by young cattle and sheep or the higher height suitable for adult cattle and sheep, it can accurately meet their needs, allowing cattle and sheep to feed in a comfortable posture, reducing feeding difficulties or physical injury caused by unsuitable height, and improving their feeding experience and enthusiasm.

This utility model discloses a transport box for laboratory mice with an anti-collision and buffer structure, including an outer anti-collision box and an inner placement box. The placement box holds the laboratory mice, and the outer wall of the placement box is provided with multiple buffer blocks, which are placed between the outer anti-collision box and the placement box. Both the outer anti-collision box and the top of the placement box are provided with door opening and closing components. The top and bottom of the placement box are provided with upper and lower buffer components, and the opposite side wall is provided with side buffer components. The upper and lower buffer components and the side buffer components are all set in conjunction with the buffer blocks. This utility model provides basic anti-collision protection through the outer anti-collision box, and with the buffer blocks on the outer wall of the placement box, it can initially mitigate the impact of external collisions. The upper and lower buffer components and the side buffer components work together to effectively absorb the vertical and lateral vibrations and bumps during transportation, reducing the stress response or physical injury to the laboratory mice caused by collisions and bumps.

This application provides a dual-frequency laser frequency difference adjustment system and method based on stress transfer. The system includes a dual-frequency laser and a detection component. The dual-frequency laser includes a housing, a magnetic strip, a first reflector, a second reflector, and a first deformation functional component. The first deformation functional component is connected between the first reflector and the housing and is configured to undergo at least plastic deformation when subjected to external force, and to transmit the stress generated by its deformation to the first reflector. The detection component includes a polarizer, a detector, and a processor. The detector receives the laser light emitted from the dual-frequency laser and passes through the polarizer, and converts the laser light into an electrical signal. The processor receives the electrical signal and generates frequency difference information of the two linearly polarized beams of the laser light. According to this application, damage to the dual-frequency laser can be reduced during frequency difference adjustment, and the frequency difference stability of the dual-frequency laser can be improved, as well as the ease of operation of frequency difference adjustment.

This utility model relates to the field of traditional Chinese medicine processing technology, and discloses a soaking device for processing traditional Chinese medicine. It includes a base, with fixed plates fixedly connected to the top left and right sides of the base. A fixed ring is fixedly connected to the top of each adjacent side of the two fixed plates. A soaking tank is fixedly connected to the inner wall of the fixed ring. A soaking cover is provided on the top of the soaking tank. A second servo motor is fixedly connected to the top of the base. The output end of the second servo motor passes through the bottom of the soaking tank and is fixedly connected to a turntable. A spiral stirring shaft is fixedly connected to the top of the turntable. U-shaped stirring shafts are fixedly connected to the top left, right, front, and rear sides of the turntable. In this utility model, the spiral stirring shaft and the U-shaped stirring shaft rotate collaboratively. The spiral stirring shaft promotes the circulation of the soaking liquid, reducing physical damage, and guides the soaking liquid to form a specific path. When the stirring blades wear out, they can be replaced with screws to achieve a suitable processing effect.

The present invention discloses an automated and precise lung puncture system, characterized by comprising a main body, with an operating space in the middle for puncture operations. The main body is equipped with a puncture needle robotic arm for holding and manipulating the puncture needle and a syringe robotic arm for holding the syringe, distributed around the operating space. A level is provided on the outer wall of the main body for measuring the tilt angle of the main body. The puncture needle robotic arm, syringe robotic arm, and level are connected to a main control module circuit located within the main body. The robotic system disclosed in this invention can reduce operation time, decrease the physical and psychological burden on patients, improve the efficiency and safety of the entire surgical process, reduce human error and intraoperative complications, and is suitable for the diagnosis and treatment of pulmonary nodules and other lung diseases.

The present application relates to the technical field of semiconductor, in particular to a deep via hole preparation method and a preparation method of back-illuminated image sensor, comprising the following steps: providing a semiconductor stack structure, the semiconductor stack structure comprising a composite layer and a termination layer, a local stop layer being formed on the composite layer and being close to the termination layer; etching the composite layer to the termination layer and stopping at the local stop layer; removing the local stop layer, etching the composite layer to the termination layer and stopping at the termination layer to form the deep via hole. According to the design position of the deep via hole and the vertical depth of the first etching, the local stop layer is preset in the corresponding area of the composite layer, so that the damage of the lower structure caused by over-etching in the traditional process can be avoided.

The present application relates to peanut seeding mechanical technology field, specifically to multi-grain pre-charging seed type peanut single-seed sowing seed metering device, including the casing, the seed plate and the arc seed protection plate, one side of the casing is provided with the seed inlet and the seed inlet, the seed inlet and the seed tube are provided below the casing, the seed plate is divided into left seed plate and right seed plate, and both can be spliced into an integral, the seed plate is spliced after the middle large diameter forms V type structure. The seed plate of V type structure design and the inclined long groove type hole make the seed plate can be filled with two or more seeds in the filling stage, improve the filling performance of the seed metering device, through the design of the inclined long groove shape structure of the staggered arrangement, ensure that the number of seeds in each type hole can be accurately controlled, realize single-seed sowing, thereby improve the seeding accuracy, and the long groove shape structure type hole can allow to increase the number of type holes under the condition of the same diameter of the seed plate, thereby improve the working speed of the seeding machine, improve work efficiency.

The application discloses application of OsMGD protein in regulating rice seedling stage alkali tolerance, and belongs to the technical field of genetic engineering breeding. The technical problem to be solved by the application is how to improve plant stress resistance, for example, how to improve rice alkali tolerance. To solve the above technical problem, the application provides application of a protein or a substance for regulating expression of a gene coding the protein or a substance for regulating activity or content of the protein, and the application can be application of the protein or the substance for regulating expression of the gene coding the protein or the substance for regulating activity or content of the protein in regulating plant stress resistance. The protein can be a protein with an amino acid sequence of SEQ ID No. 1. The application first discloses application of the OsMGD protein in regulating rice alkali tolerance, and regulating expression amount or activity of the OsMGD protein in rice plants can obtain rice with significantly changed alkali tolerance.

The application discloses a kind of physical constraint under aero-magnetic data deep learning forward and inversion method and system. Including: constructing the forward network based on deep operator network DeepONet, the network adopts logarithm-linear dual space mechanism, to log resistivity profile and flight height as input, predicts log quadratic field;Inversion network is constructed, with the input of observed transient electromagnetic response and flight height, and the output of resistivity profile;When training, the forward network is pre-trained to convergence under data-driven loss and Maxwell equation physical constraint loss;Inversion network is trained under the joint supervision of its model space loss and physical data space loss, wherein the physical data space loss is obtained by comparing the re-synthesized response with the original observation after inputting the resistivity profile predicted by the inversion network into the frozen forward network.The application deeply integrates physical laws into data-driven models, and realizes the integrated efficient solution of aero-magnetic forward and inversion.

The application discloses a self-positioning wafer clamping mechanism and a wafer conveying device, and the self-positioning wafer clamping mechanism comprises a base, a positioning roller arranged on the base, a clamping pin eccentrically arranged on the upper portion of the positioning roller, and a driving assembly for driving the positioning roller to rotate so as to drive the clamping pin to approach or move away from the edge of a wafer, thereby realizing clamping or releasing of the wafer; the driving assembly comprises a gear and a rack, the gear is arranged on the lower portion of the positioning roller, and the rack engaged with the gear can move horizontally to drive the positioning roller to rotate.

The utility model discloses a device for collecting stream fishes and eggs, which comprises a frame, grips are symmetrically arranged on two sides of the frame, a cloth cover is arranged on the inner side of the frame, a compression ring is arranged on the inner side of the cloth cover, the cloth cover is compressed on the inner side of the frame by the compression ring, a netting is arranged at the rear end of the cloth cover, and the netting can be quickly detached and replaced. A flow guide plate is arranged at the bottom of the frame, and the flow guide plate is detachably connected with the frame. Through the design of the netting, netting gears with different mesh numbers can be rapidly replaced, and the requirements of various collection objects are met; a worker holds the grip to push the whole collecting device from the bottom of the stream, so that the effect can be achieved; a flow guide plate structure can buffer water flow impact, and physical damage to eggs and seedlings is reduced in cooperation with a bottom-attaching moving mode; the light frame reduces water disturbance during operation, and the stability of the collection environment is maintained. Through cooperative operation of two persons and the design of the movable base, the device can be quickly propelled in a stream substrate, and large-area sampling is realized.

The utility model discloses a medicine powder tablet press discharge port tablet collecting device, it includes the mounting plate of fixed connection in tablet press front side, the bottom of mounting plate is provided with the connecting box, the right side of connecting box inner chamber is hinged with the rotating link, the left side fixed connection of rotating link has the worm, the inner chamber of connecting box is provided with the turbine, the worm is engaged with turbine, the bottom fixed connection of turbine has the connecting plate, one end of connecting plate bottom is rotatably connected with the rotating plate through the pivot, the one end of rotating plate away from connecting plate is rotatably connected with the swing board through the pivot, the left side fixed connection of swing board top has the swing column. The utility model discloses through the tablet press of tablet press to the tablet, then through the cooperation of worm, turbine and swing board, so that swing board will drive swing column to have swing left and right on the top of mounting plate, and then make tablet can enter the prescribed container through rubber inclined plate.

The utility model discloses a kind of waste needle structures for cell filtration, it is related to medical instrument technical field, including waste needle pipe, waste needle head, waste one-way valve and cell column filter, the utility model is when using, first, medical staff removes needle cover from the needle cover clamping groove on needle sealing cover, by guiding cell into cell column filter, cell column filter removes large particle material and suspended solids of cell liquid, completes primary filtration, the waste needle head of waste needle pipe is inserted into cell column filter, by gravity, cell after primary filtration enters waste needle pipe, when waste liquid passes through waste needle pipe, inside pipe head, by the filter membrane supported by filter piece support Secondary retention cell, impurities and other solid components, allow waste liquid to pass through, realize solid-liquid separation;Then, waste one-way valve is installed on the outer wall surface of waste pipe upper side through, by internal rubber valve flap valve structure, ensure that waste liquid unidirectional flow.

The utility model discloses a kind of cleaning devices for agricultural product processing, including shell, conveyer belt and spray body, conveyer belt is arranged in shell, spray body is fixedly connected with shell, shell is equipped with bubble cleaning device, water recovery device and vibration drying device, the bubble cleaning device includes air pump, gas supply pipe, shell, lattice and filter screen, air pump is fixedly connected with shell and is connected with shell by gas supply pipe, shell is equipped with lattice and filter screen, lattice and filter screen exist gap, shell is fixedly connected with shell, the water recovery device includes drain, water collecting tank, filter box, water pump and connecting pipe, the drain, water collecting tank and filter box are all fixedly connected with shell, connecting pipe is fixedly connected with water pump and spray body respectively, the vibration drying device includes drying device and vibration device and is all fixedly connected with shell, the utility model solves the problem of traditional agricultural product processing cleaning device in cleaning efficiency, water resource utilization and product dryness.

The invention relates to the technical field of bullfrog breeding, in particular to bullfrog breeding equipment which comprises a three-dimensional breeding cabin, a control system, an energy supply system, a water level adjusting system and a grading system. A cabin door is movably connected to one side of the three-dimensional breeding cabin, and a first sliding groove is formed in one side of the three-dimensional breeding cabin. The grading system comprises a bottom-layer dense net, a partition plate and a grading dense net which are arranged from bottom to top; the partition plate is slidably mounted in the three-dimensional culture cabin through a first chute; the interior of the three-dimensional breeding cabin is divided into a tail water collecting pond, a first-stage breeding pond and a second-stage breeding pond from bottom to top through a bottom-layer dense net and a grading dense net. The energy supply system and the control system are in communication connection with the water level adjusting system, and the water level adjusting system is used for adjusting the water levels of the first-stage culture pond and the second-stage culture pond. By means of the bullfrog sorting device, bullfrogs can be bred in a classified mode according to specifications, labor intensity is relieved, sorting time is shortened, and stress and physical damage to the bullfrogs are reduced.

This utility model relates to the field of fermentation reactor technology, specifically to an anaerobic fermentation reactor. It solves the problem that stirring blades in existing anaerobic fermentation reactors easily affect fermentation efficiency, thus improving the practicality of the equipment. Its structure includes a tank body, a reaction chamber inside the tank, a control chamber at the top of the reaction chamber, a rotating shaft rotatably connected to the reaction chamber, and several stirring blades mounted on the rotating shaft. A control motor is located in the control chamber, and a control structure for intermittently controlling the rotation of the stirring blades is provided between the control motor and the rotating shaft. This embodiment replaces the existing technology of directly stirring microorganisms in the tank with stirring blades. This embodiment can reduce physical damage to microorganisms while ensuring thorough mixing and gas exchange, providing a more stable and suitable growth environment for microorganisms, thereby improving fermentation efficiency and the biotransformation capacity of microorganisms, and has strong practicality.

The application relates to the technical field of medical devices, and particularly discloses a minimally invasive blood vessel suturing device. In order to solve the problem that the outer diameter of a conventional suturing device entering a blood vessel is relatively large, a'second expansion' is caused to the blood vessel wall, and tissue damage is aggravated, the device comprises a holding part, a sheath pipe, a fixed end head, a suturing rod, a deformation assembly and a driving mechanism, one end of the sheath pipe is fixedly connected with the holding part; the fixed end head is fixed in the inner cavity of the end of the sheath pipe away from the holding part; the suturing rod is fixedly connected with the end of the fixed end head away from the sheath pipe and extends out of the sheath pipe, the diameter of the suturing rod is smaller than that of the fixed end head, and the outer diameter of the part of the suturing rod entering the blood vessel is not greater than 7 French; the deformation assembly is arranged on the suturing rod and is used for unfolding and abutting against the inner wall of the blood vessel after the suturing rod is inserted into the blood vessel; and the driving mechanism is arranged in the holding part and is used for driving the deformation assembly to unfold or fold. The application can reduce the secondary damage to the blood vessel puncture port.

The present invention relates to the technical field of microbiological analysis, and discloses a single cell distributor, which comprises a platform, a three-axis motion mechanical arm arranged on the platform, and a control system arranged in the platform, the three-axis motion mechanical arm is arranged on one side of the platform, and the other side of the platform is provided with a mounting seat for placing a pore plate, one end or two ends of the mounting seat are provided with placing stations for placing liquid storage bottles, the three-axis movement mechanical arm is connected with a distribution assembly, the distribution pressure of the distribution assembly is less than or equal to 0.1 psi, the distribution assembly comprises a seat body, and the lower end of the seat body is provided with a sensor suction head and a spray head; a pressure sensor and a Coulter counter which are communicated with the sensor suction head and the spray head are arranged in the base body, and the pressure sensor, the Coulter counter and the three-axis movement mechanical arm are all electrically connected with the control system. According to the method, rapid, efficient and low-cost single cell high-throughput analysis and separation can be realized, meanwhile, the simplicity and convenience of operation and high survival rate of cells are ensured, and the data processing and analysis capability is expanded.

The invention belongs to the crossing field of environmental functional materials and microbial technologies, and particularly relates to an LDHs-biological membrane solid-liquid interface culture method which comprises the following steps: S1, preparing an LDHs material; s2, constructing a standardized LDHs mineral membrane; s3, carrying out sterile treatment on the LDHs mineral membrane; and S4, carrying out solid-liquid interface culture on the LDHs-biological membrane. According to the method, the forming ability, metabolic activity, structural stability and pollutant removal characteristics of the LDHs material surface biological membrane can be effectively evaluated, and accurate and reliable evaluation is provided for deep exploration of a material-biological membrane interaction mechanism and promotion of application of the material-biological membrane interaction mechanism in environmental restoration.

The invention discloses an active and passive fused upper limb exoskeleton and a control method thereof, and belongs to the technical field of exoskeletons.The active and passive fused upper limb exoskeleton comprises a waistband, a strap, a passive energy storage mechanism, an active power assisting mechanism and two sets of arm bands, two supporting rods are arranged on the two sides of the waistband, the lower ends of the two supporting rods are hinged to the waistband, and clutch boxes are fixedly arranged at the upper ends of the two supporting rods; a moment arm ring and a wire spool are rotationally arranged in the clutch box, and a big arm connecting rod is fixed on the moment arm ring and connected with an arm belt; the passive energy storage mechanism is fixedly connected with the wire spool through an inhaul cable; the active power assisting mechanism is connected with the wire spool through a Bowden wire; the clutch box is further provided with a linkage shaft which enables the wire spool and the force arm ring to be in power connection. The active power assisting mechanism has the following advantages that multiple power assisting modes are achieved, power assisting is flexibly adjusted according to individual differences and different requirements of operators, the endurance time of the active power assisting mechanism is effectively prolonged, and the working efficiency is improved; and power connection between the force arm ring and the wire spool is controlled through the linkage shaft, the structure is simple, and operation is convenient.

The utility model relates to the technical field of power banks, in particular to a plug rotating structure for a power bank, which comprises a mounting seat, a main body and a charging plug. A connecting groove is formed in one side of the mounting base, a supporting plate is fixedly connected to the bottom of the mounting base, a slot is formed in the bottom of the supporting plate, a mounting hole is formed in the top of the mounting base, a supporting hole is formed in the body, a movable hole is formed in the portion, below the supporting hole, of the body, and a baffle is arranged at the bottom of the body. The baffle is used for fixing a wireless charging ring in the power bank. The main body is provided with a clamping block between the supporting hole and the movable hole. Supporting columns are arranged on the two sides of the charging plug, a limiting column is arranged on one side of the charging plug and penetrates through the interior of the movable hole, and a torsional spring is arranged on the supporting column close to one side of the movable hole. The portable power bank solves the problems that a traditional power bank is inconvenient to carry, easy to damage and the like.

The utility model discloses a traditional chinese medicinal material tissue culture seedling grading screening and root system protection device, including the seedling table, the seedling table top is equipped with the moving frame, the first movable slot and the second movable slot are seted up in the moving frame inside, the second movable slot inside slidingly arranged has the connecting frame, the connecting frame inside fixedly set up has the cylinder, the utility model's beneficial effect is through the high definition camera automatic collection image and combines control system analysis, realizes the quick accurate grading of tissue culture seedling, cooperate the screw rod drive mechanism (first screw rod and second screw rod) of double motor drive, and the collaborative operation of cylinder, electric push rod, and the full process of seedling extractor can be automatically completed positioning, snatch, shift and transplant, compared with the artificial operation efficiency improves several times, satisfies large -scale tissue culture seedling industrial production demand.

The utility model discloses a wire harness storage jig, and relates to the technical field of motor mainboard wire harness storage, the wire harness storage jig comprises a bottom plate, the upper surface of the bottom plate is provided with a plurality of long plates and a plurality of short plates which are connected in a staggered mode, and a plurality of storage grids used for storing motor mainboards are formed between the long plates and the short plates; the side wall of the short plate is provided with a concave hand taking position communicated with the storage grid, and the inner side wall of the concave hand taking position is in contact with a wire harness communicated with the motor mainboard. Long plates are arranged on a bottom plate in a staggered mode, a plurality of storage cells are formed on the bottom plate, motor mainboards are placed at intervals through the storage cells, concave hand taking positions communicated with the storage cells are arranged on the side walls of short plates, the inner side walls of the concave hand taking positions make contact with wire harnesses connected with the motor mainboards in a tin soldering mode, and the wire harnesses of the motor mainboards are separated. The wire harnesses of the motor mainboards are prevented from being mutually wound, so that the wire harnesses are broken and damaged when the motor mainboards are taken out, and the physical damage to the motor mainboards and the wire harnesses when the motor mainboards are taken out is reduced.

The application provides a kind of underwater pier detection and repair method and device based on flexible tentacle, wherein the method comprises: robot carries out autonomous navigation and environmental perception, travels to the preset detection area;When approaching the target pier of the detection area, perform bionic winding action through flexible tentacle, adaptively wrap the target pier;The attachment area of the flexible tentacle is optically scanned, the original underwater image is collected, and the original underwater image is processed, to determine the crack area;According to the identified crack area, carry out hierarchical evaluation, generate decision instruction and carry out crack repair.Through the application, energy consumption, noise emission are significantly reduced, and physical damage to the ecological community on the pier surface is minimized, solving the contradiction between the existing ROV attachment stability and low disturbance demand.

The application provides a serum-free cryopreservation solution and application thereof in cell cryopreservation. The serum-free cryopreservation solution comprises a first additive, a saccharide, an inorganic salt, a protein and a second additive; in the serum-free cryopreservation solution, the mass concentration of the first additive is 0.2-15% (w / v), the concentration of the saccharide is 2-15 mg / mL, the mass concentration of the inorganic salt is 0.7-1.2% (w / v), the concentration of the protein is 0.05-0.5 g / mL, and the concentration of the second additive is 0.5-5 mg / mL. The serum-free cryopreservation solution provided by the application ensures that the cell still has high survival rate, high activity and functional integrity after cryopreservation through the combined action of the above components, the composition of the cryopreservation solution is clear, and no animal-derived serum needs to be added, so that the immunogenicity risk, pathogen contamination and batch difference caused by the animal-derived serum are avoided, and the safety of the cryopreservation solution is significantly improved.

The embodiment of the application discloses a collection device and method, and a storage medium. The collection device comprises a camera, a computing power unit, an electromagnetic buffer device and a current modulator. The camera in the collection device is used to acquire image information of a first target and a second target. The first target comprises the second target. The second target is wrapped with a metal coil bag. The metal coil bag is composed of three groups of mutually perpendicular metal coils. The computing power unit is used to determine a current value of the electromagnetic buffer device according to the image information of the first target and the second target. The current modulator is used to supply power to the electromagnetic buffer device according to the current value. The electromagnetic buffer device is used to collect and process a third target falling in the second target in an unfolded state. The electromagnetic buffer device comprises an unfolded state and a folded state.

The invention discloses a segmented profiling lifting adjustable spraying device for a self-propelled plant protection machine, and relates to the technical field of agricultural machine.The segmented profiling lifting adjustable spraying device comprises a lifting mechanism, a pesticide box and a liquid pump which are arranged on a self-propelled plant protection machine body, the lifting mechanism is used for driving a stand column to move up and down, and a middle spraying rod frame is fixedly connected to the stand column; first-stage spraying rod frames are hinged to the two sides of the middle spraying rod frame through folding steering engines, second-stage spraying rod frames are hinged to the tail ends of the first-stage spraying rod frames through folding steering engines, and spraying assemblies are arranged on the middle spraying rod frame, the first-stage spraying rod frames and the second-stage spraying rod frames. A multi-stage adjustable spraying system, a tail end vibration reduction mechanism and a crop shunting protection wheel cover are integrated, so that the problems that the spraying quality is affected by vibration, crops are physically damaged, and the spraying strategy is rigid are systematically solved; the multi-stage spraying rack is matched with the spraying rod oil cylinder to control lifting and the folding steering engine to control folding, so that flexible and accurate adjustment of the spraying height and stable operation are realized.

The utility model belongs to the metro electromechanical water supply and drainage construction technical field, concretely is a kind of metro section pipeline reverse transportation connection multifunctional track car. Including reverse transportation track car, the reverse transportation track car is used to bear reverse transportation pipeline;Vertical support beam, the vertical support beam is fixed on reverse transportation track car;Support beam, the support beam one end hinged connection is in the end of vertical support beam, and movable hoisting guide chain wheel is arranged on support beam, and support beam other end installs lifting beam foot for being used to contact with tunnel hole wall;Socket connection pipeline assembly, the socket connection pipeline assembly is connected on hoisting guide chain wheel by iron chain, for installing connection pipeline;Construction gauge recheck test component, the construction gauge recheck test component is installed on reverse transportation track car. The utility model has solved the site intersection and material storage problem of metro section pipeline construction.

The utility model discloses an anti-twist optical cable laying take-up and pay-off all-in-one machine, which comprises a support frame main body, electric push rods, a first support, a support roller and a limiting track, the electric push rods are arranged on the outer walls of the two sides of the support frame main body, the first support is fixed on the outer wall of one side of the support frame main body, and the support roller is fixed on the first support. And a first rotating shaft is rotationally installed on the inner wall of one side of the first support, a first connecting shaft is arranged at one end in the supporting frame body, a connecting disc is fixed to one end of the first connecting shaft, and one end of the connecting disc makes contact with one end of the first rotating shaft. According to the utility model, the electric push rods are arranged on the two sides of the support frame main body, and through the synergistic effect of the connecting plates, the connecting blocks, the sliding blocks and the limiting rails, stable supporting of an optical cable is realized. The limiting roller and the supporting roller are close to each other, so that the optical cable is always kept in a stable tension state in the winding and unwinding process, and the twisting phenomenon of the optical cable in the rotating process is effectively prevented.