2023results about How to "Avoid breaking" patented technology

This utility model discloses a corn threshing roller and a corn threshing roller assembly, belonging to the technical field of small agricultural threshers, mainly used for corn threshing. The technical problem to be solved by this utility model is to provide a corn threshing roller, including a rotating shaft and a supporting mechanism. A first layer of threshing ribs is arranged on the supporting mechanism with the rotating shaft as the center, and a second layer of threshing ribs is arranged outside the first threshing ribs. The supporting mechanism includes end supports arranged at the ends of the rotating shaft, and the first layer of threshing ribs is arranged between the end supports. The inner side of the first layer of threshing ribs has space for material passage. A corn threshing roller assembly is also provided, including a first and a second threshing roller arranged in parallel, forming a threshing channel between them. The first threshing roller is the aforementioned corn threshing roller, and the second threshing roller includes a second rotating shaft, a second supporting mechanism, and auxiliary threshing ribs. This utility model can improve the threshing rate and threshing efficiency, reduce the breakage rate, and improve the threshing quality.

The invention provides a manufacturing method of a 3D packaging structure of an optical engine module and a CPO module, and relates to the technical field of semiconductor packaging. Firstly, an optical chip wafer is provided, then an electric chip and an optical port protection piece are mounted on the basis of the surface of the optical chip wafer, plastic packaging is carried out on the basis of the upper portion of the optical chip wafer, the electric chip and the optical port protection piece are wrapped by plastic packaging materials, and then the plastic packaging materials are thinned until the optical chip and the optical port protection piece are exposed; the method comprises the following steps: manufacturing a TSV through hole on the basis of an optical chip wafer, thinning the bottom surface of the optical chip wafer until the TSV through hole is exposed, manufacturing an RDL layer and a solder ball on the basis of the bottom surface of the optical chip wafer, connecting the RDL layer with the TSV through hole, removing an optical port protection piece, and finally cutting the optical chip wafer to form a single optical engine module. According to the scheme provided by the invention, the optical chip is prevented from being damaged in the packaging process, and the design flexibility of the optical port is improved.

This invention discloses a stepwise data assimilation method for a set subspace in a nonlinear inverse problem, relating to the field of data processing technology. The invention constructs an initial prior physical set based on the physical state variables to be inverted and optimized, and historical observation data. It extracts the static subspace basis anomaly matrix, initializes the latent variable set and particle weights, calculates fractional-step incremental reweighting, evaluates the current likelihood mismatch penalty using predicted data, updates and normalizes the particle weights in the logarithmic domain, obtains the effective sample number, performs system resampling operations in conjunction with a preset resampling tolerance coefficient, eliminates low-weight particles and replicates high-weight particles, synchronously updates the latent variable set and predicted data, executes a dynamic MCMC mutation loop to generate proposed latent state vectors and affinely maps them to a high-dimensional physical space, and updates the latent variable set by evaluating the annealing target energy within the latent variable subspace until all fractional steps are traversed. Finally, it outputs the latent variable set and maps it back to the physical space.

The utility model relates to the technical field of steel wire automatic forming machines, in particular to a full-automatic steel wire wavy line forming machine which comprises an installation frame, a line pressing assembly is arranged at the bottom of the installation frame, and an extension module is arranged on the side face of the installation frame. The full-process automatic production of the wavy line formed by the steel wire can be completely realized, each part of the machine is simple and practical, the machine has the characteristics of low cost and high efficiency, the labor cost is saved, the risk of industrial injury is avoided, the machine is an advanced specialized machine, the driving motor is used as a power source, and the production cost is reduced. The driving motor drives the first gear and the second gear to rotate through the transmission structure, then conveying of the steel wire and forming of the wavy line are achieved, and the straightness of the steel wire in the conveying process and the regular shape of the formed wavy line are guaranteed through arrangement of the first straightener and the second straightener.

The utility model discloses a water stop structure suitable for an upper gate room of a high gate with a deep and thick covering layer in the technical field of engineering water stop, which comprises a plurality of gate plates, a structural seam is arranged between two adjacent gate plates, the structural seam is communicated with a water stop cavity, and a water stop device is filled in the water stop cavity. The water stop device comprises a first mortar layer, a flexible filler layer and a second mortar layer which are sequentially filled in the structural joint from top to bottom, a copper sheet water stop assembly and a water stop belt assembly are arranged on the flexible filler layer in a penetrating mode at intervals, the overall structure is large in flexibility effect, the function of adapting to large uneven deformation between adjacent gate sections can be achieved, damage is not prone to occurring, and the service life of the water stop device is prolonged. Therefore, safe operation of the water gate structure is guaranteed.

The invention discloses an advanced treatment method of tungsten beneficiation wastewater, which is characterized in that a composite flocculant is adopted to flocculate the tungsten beneficiation wastewater, and the composite flocculant is mainly composed of cationic polyacrylamide, a flocculant A and lignocellulose, the flocculant A comprises at least one of polyferric sulfate, polyaluminum chloride, polyaluminum ferric chloride, polyaluminum ferric sulfate, ferric sulfate, ferrous sulfate and aluminum chloride. According to the advanced treatment method for the tungsten beneficiation wastewater, under the action of the composite flocculant, the cost of a treatment agent can be reduced to about 0.16-0.20 yuan / m < 3 >, the cost reduction amplitude is as high as 80% or above, the treatment time can be shortened to be within 10 min, the precipitation time is greatly shortened, meanwhile, suspended solids in the wastewater can be effectively removed, actual production requirements are met, and the method is suitable for industrial production. The method has the advantages of low treatment cost, high treatment efficiency, good removal effect, good adaptability and the like, can realize advanced treatment of the tungsten beneficiation wastewater, and is high in use value and good in application prospect.

The application relates to the technical field of wastewater treatment equipment, in particular to a zero-emission multistage wastewater treatment device for industrial high-salinity wastewater, which comprises a base, a fixing frame fixedly installed on the base and a supporting limiting frame fixedly installed on the fixing frame, the supporting limiting frame is slidably connected with a heat exchange box, the front end face of the fixing frame is provided with limiting assemblies corresponding to the heat exchange box on both sides, a sedimentation tank and a core treatment tank are installed on the fixing frame from top to bottom and located at the bottom of the heat exchange box, the heat exchange box, the sedimentation tank and the core treatment tank are sequentially communicated through connecting channels, a feeding pipe is arranged on the side wall of the sedimentation tank, the sealing assembly is driven to rotate by a motor-driven screw rod, the extrusion frame is driven to slide along the guide column, the pressure of the extrusion frame on the third sealing frame can be automatically adjusted, the extrusion plate can be tightly combined with the third sealing frame, the pressure is uniformly distributed, the traditional manual sealing adjustment mode is replaced, and the sealing reliability is further improved.

The invention provides a cooperative path planning method for searching and tracking an underwater target by a multi-USV unmanned cluster, and the method comprises the steps: introducing a pose-control quantity-time to carry out the three-dimensional double-chain coding of a population in an improved genetic algorithm, enabling a control instruction and an accurate execution timestamp to serve as a genetic gene, and enabling the control instruction and the precise execution timestamp to serve as a genetic gene in the crossover and mutation operation, timestamps, control quantities and poses are transmitted synchronously, and it is ensured that offspring individuals can inherit an excellent cooperation mode of a parent; during population initialization, USV is guided to preferentially cover a high-value region through region division and weighted Gaussian distribution, so that blindness caused by random initialization of a traditional genetic algorithm is overcome, and invalid search is avoided; a target for avoiding secondary search is designed in a fitness function, and repeated access to recently searched areas is quantified by introducing a concept of confidence time intervals, so that an algorithm actively explores unexplored water areas, waste of search resources is avoided, and accuracy and planning efficiency of multi-USV collaborative path planning are improved.

The utility model belongs to the technical field of plasma rotating electrode powder manufacturing equipment, and relates to a vacuum dynamic sealing structure of a plasma gun for powder manufacturing, which comprises an external powder blocking module and a dynamic sealing module, the external powder blocking module consists of a first powder blocking plate, a powder blocking ring and an insulating powder blocking plate, the first powder blocking plate is fixed at the top of a plasma gun body to form an arc-shaped shielding surface, and the dynamic sealing module is fixed at the top of the plasma gun body. The powder retaining ring coaxially sleeves the positive electrode of the plasma gun body and forms an annular gap type powder blocking structure with the insulating powder retaining plate; the dynamic sealing module is sequentially provided with a dynamic sealing installation metal cylinder, an insulating cylinder and a sealing assembly from outside to inside in the radial direction of the plasma gun body, the insulating cylinder and the dynamic sealing installation metal cylinder form a step-shaped sealing structure, and vacuum sealing and electrical isolation are achieved between the dynamic sealing module and the external powder blocking module through bakelite and an O-shaped sealing ring. The vacuum dynamic sealing structure provided by the utility model has the advantages of powder isolation, reliable sealing, no burning loss short circuit and no need of vacuum grease auxiliary sealing lubrication.

The utility model relates to the technical field of mining mechanical equipment, and discloses a stirrer for stirring cemented filling tailing slurry of metal and non-metal mines, which comprises a stirring tank, a plurality of groups of turbulent flow bars arranged on the inner side wall of the stirring tank, a stirring vertical shaft arranged in the center of the interior of the stirring tank, and a stirring chain arranged at the middle lower part of the stirring vertical shaft, stirring blades are arranged at the bottom of the stirring vertical shaft; and a filter screen is arranged on the stirring tank between the stirring chain and the stirring blades. According to the utility model, the tailing slurry can be efficiently stirred, the conditions of blockage, breakage and the like can be avoided, and the stirring effect and efficiency of the filling body are effectively improved.

The utility model discloses a kind of high-efficiency oscillation mechanism of full-automatic blood culture instrument, it is related to medical supplies technical field.The utility model includes oscillation component, the left of bottom plate is equipped with motor, the outer peripheral wall of round plate is uniformly fixed with boss, the right of round plate is equipped with arc spring, spring is close to the end plate of round plate one end with mounting plate fixed, upper boss is symmetrically fixed in the along edge of placing plate lower wall, the clockwise direction of two upper bosses is equipped with lower boss with bottom plate fixed;Fixed component includes the moving plate being equipped in the upper of limit disc, the lower wall of moving plate is fixed with elastic cotton.The utility model is placed in the culture bottle of placing plate by spring and boss under rotation state and realizes reciprocating rotation to realize oscillation, and by the cooperation of upper boss and lower boss, culture bottle reciprocating up and down movement further improves oscillation effect, realizes the efficient oscillation of culture bottle, by elastic cotton to culture bottle extrusion fixed, improve the stability of culture bottle when oscillating.

The utility model relates to the technical field of bamboo products, concretely to a bamboo product bending processing setting device, include: device body, the device body includes equipment body, the equipment body surface is provided with the wiring hole, the equipment body surface one side is connected with the support structure, the support structure includes the fixed stake, the fixed stake inside rotation is connected with the adjusting screw rod, the utility model discloses the angle of control lever is rotated, makes control lever drive adjusting screw rod and rotates in the thread groove inside that fixed stake opens, makes control lever drive the carriage that bearing one side connects and slides in the through groove inside that fixed stake opens, thereby adjusts the position of carriage, and then after the plug is inserted in the wiring hole inside, again the wire harness is inlayed in the carriage, thereby realizes the positioning and support effect of wire harness using the carriage, avoids the problem that the internal circuit breaks because of the excessively big bending angle of plug and wire harness.

The utility model relates to the technical field of elevator derricks, in particular to an inward bending steel structure derrick for installing an elevator, which comprises a base, a derrick I and a plurality of derricks II, the derrick I is fixedly arranged at the top of the base, and the plurality of derricks II are fixedly arranged at the top of the derrick I in sequence. A plurality of stand columns and cross beams are arranged in the base, the first derrick and the second derrick, four stand columns distributed in a rectangular shape are arranged in the base, the first derrick and the second derrick, and the cross beams are connected between every two adjacent stand columns through bolts. The stand column is formed by inwards folding a steel plate to form a first bending piece and a second bending piece, the end, away from the second bending piece, of the first bending piece is inwards folded to form a third bending piece, and the end, away from the first bending piece, of the third bending piece is inwards folded to form a first bending connecting piece. According to the utility model, the problems of single structure, insufficient performance and stress concentration of connecting nodes of an elevator derrick upright post additionally arranged in an old community are solved, and the overall strength, stability and safety of the derrick are improved.

This utility model discloses an antistatic polymer POF heat shrink film processing equipment. A cutting plate is clamped to the top of the processing frame, and several cutting hydraulic cylinders are equidistantly installed on the top of the processing frame. A punching blade is clamped to the bottom of each cutting hydraulic cylinder. Several fixing frames are welded equidistantly to the top of the processing frame, and several moving limit ropes are equidistantly clamped to the top of the punching blades. A positioning support frame is installed at the bottom of each moving limit rope. This utility model, through the flattening and guiding limit during movement and the separation and cooperation during punching, allows for steady flattening of the film during movement, while avoiding excessive stretching during punching, which could lead to film breakage. This ensures steady punching during continuous production, reducing the occurrence of punching position deviation and uneven punching due to wrinkles, greatly guaranteeing product quality.

The utility model relates to a rubber tapping equipment technical field, especially in kind of tree -hugging guide rail for rubber tapping machine. The prior art has solved the problem of unstable adhesion limit, big feeding resistance and inadaptability of working condition and easy to wear and tear and breakage of insufficient elasticity of tree -hugging guide rail caused by irregular surface of the trunk. Including: guide rail body, the arc structure of adapting the circumference of rubber tree, the tooth, the tooth is along the outer periphery of guide rail body setting, is used for with the gear of rubber tapping machine drive part engages, realizes the circumferential feeding movement of guide rail, limiting portion, limiting portion is along the inner periphery of guide rail body interval distribution, limiting portion forms and protrudes the protruding piece of the direction of rubber tree by guide rail body, and the protruding piece is used for with rubber tree surface abutment limit, top retreats the boss, top retreats the boss setting in adjacent limiting portion between, is used for pushing the irregular recess of tree body. Have realized "stable adhesion, smooth feeding, self -adaptation regulation's " effect.

The utility model discloses a preserved szechuan pickle shredding machine which comprises a conveying platform, two fixing frames are fixedly arranged on the conveying platform, a screw rod is arranged in one fixing frame in a rotating mode, a power mechanism connected with the screw rod is arranged on one fixing frame, a shredding knife is arranged above the conveying platform through a lifting frame, and the shredding knife is connected with the power mechanism. A lifting frame is fixedly arranged in one fixing frame and connected with the screw rod through a lifting mechanism, a stabilizing rod is fixedly arranged in the other fixing frame, the lifting frame is connected with the stabilizing rod through a stabilizing mechanism, a lower pressing plate corresponding to the shredding knife is arranged above the conveying platform, a movable groove is formed in the lower pressing plate, and a sliding rod is fixedly arranged in the movable groove. Through the innovative elastic limiting and anti-sticking structure, the problems of the traditional shredding machine are effectively solved, the production efficiency and the product quality are improved, and the shredding machine is particularly suitable for industrial shredding processing of crispy vegetables such as preserved szechuan pickles and radishes.

The utility model discloses a photovoltaic cell EL defect sorter, and relates to the technical field of sorters. Comprising a sorter main body, the sorter main body is provided with a photovoltaic cell EL defect detection mechanism, the detection mechanism comprises a moving assembly, the moving assembly comprises an opening groove formed in the top end of the sorter main body, a positioning rod is fixed to the inner wall of the opening groove, and a sliding rail support is slidably connected to the outer wall of the positioning rod; after the camera lens is detected, the protective shell is screwed on the bolt rod on the outer side of the camera lens, the camera lens is protected through the protective shell, external physical collision and scraping can be effectively resisted, tools, parts and other hard objects are prevented from directly impacting the lens under the daily operation, maintenance or unexpected conditions of equipment, and the camera lens is protected. The surface of the lens is prevented from being scratched and damaged, the optical structure integrity of the lens is protected, the definition and accuracy of a detection image are guaranteed, and pollution of impurities and dust is prevented.

The utility model discloses a yarn production auxiliary device for beaming machine belongs to textile equipment technical field, including work table, the top end side of work table is fixed with two and is symmetrically distributed support rod, the top end of two support rods is fixed with the collection box on the top end of work table, and the bottom end side of collection box is fixed with a plurality of equidistance distribution's cylinder, and the bottom end of cylinder is closed and sets up, and the side of a plurality of cylinder all is pasted and is equipped with the sponge cover of setting, the utility model discloses a plurality of cylinder even divide into a plurality of yarns, when yarn even passes between a plurality of cylinder, and the sponge cover is soaked with oil, and yarn is contacted with the sponge cover in the moving process, thereby even coating oil on yarn, effectively improve the refinement uniformity of yarn oiling, is favorable for reducing the generation of static electricity, and can improve the lubricity of weaving process, and even oil film can reduce the friction of yarn and equipment parts in the weaving process, and further improve production efficiency.

This invention discloses a manufacturing process for composite 7-series aluminum alloy sheets. The composite 7-series aluminum alloy sheets are formed by laminating and rolling multiple layers of 7-series aluminum alloy sheets and multiple layers of 1-series aluminum alloy connecting plates. The 7-series aluminum alloy sheets are composed of the following components by weight percentage: Si: ≤0.22%, Cr: ≤0.23%, Fe: ≤0.35%, Cu: 2.0-3.5%, Mg: 3.5-4.5%, Zn: 6.5-10.0%, Ti: 0.015-0.2%, Zr: 0.05-0.15%, rare earth cerium alloy: 0.015-0.05%, total impurities ≤0.1%, and the remainder being aluminum. This invention uses a lamination method to roll multiple layers of 7-series aluminum alloy sheets and multiple layers of 1-series aluminum alloy connecting plates, which effectively improves plasticity, toughness, and strength. Compared with existing single 7-series materials, it has higher material strength, better impact resistance and weldability, can adapt to corrosion resistance in complex environments, and extends service life.

The application relates to the technical field of film drying, and discloses a drying and forming device for films, which comprises a shell, two groups of cooling cylinders are rotatably installed in the opposite inner walls of the shell, rotary joints are installed at the two ends of the two groups of cooling cylinders, connecting pipes are installed on the sides, away from the corresponding cooling cylinders, of each rotary joint, and the two cooling cylinders are staggeredly arranged, the two groups of staggeredly rotating cooling cylinders are arranged in the shell, drying mechanisms are arranged on the two sides of the corresponding cooling cylinders, and the film material can be subjected to regional and adjustable drying treatment during movement; when the film passes through the staggeredly arranged cooling cylinders, film sections with different thicknesses can obtain differential heat dissipation effects due to the difference in contact area with the cooling cylinders; in cooperation with the drying mechanisms, the thin-wall region can be prevented from being damaged due to excessive heating, and the thick-wall region can be ensured to be fully dried, so that the uniformity and yield of film material drying and forming are improved, and the problem of poor adaptability of traditional devices to film thickness changes is effectively solved.

This utility model discloses a fascia gun with a heating function, including a shell, a middle frame, a telescopic head, a main control board, a frame, and a power cable. The shell includes a first hollow cylinder and a second hollow cylinder vertically connected. The middle frame is located inside the shell and has a first through hole with a first cable-fixing sleeve at the through hole. The telescopic head includes a telescopic component and a massage head connected together. The telescopic component is slidably mounted on the second end of the first hollow cylinder and has a second through hole with a second cable-fixing sleeve at the through hole. The massage head contains a heating element. The frame is located inside the shell and has a cable-passing hole connecting its opposite sides, located below the motor. The power cable passes through the cable-passing hole, the first cable-fixing sleeve, and the second cable-fixing sleeve in sequence before connecting to the heating element. This fascia gun has a novel structure. The cable-passing hole, the first cable-fixing sleeve, and the second cable-fixing sleeve effectively restrict the power cable, thereby preventing unexpected deviation of the power cable within the shell.

The utility model relates to a kind of mouth curling forming mechanisms of paper cup forming machine, including carousel, the carousel is equipped with at least one for paper cup is placed into recess mould, it is characterized by: the carousel top is equipped with the edge curling seat board that can be lifted, the edge curling seat board is equipped with the first pre-rolling mechanism that cup mouth edge is curled to horn shape outside to make it constitute first pre-rolled edge, the second pre-rolling mechanism that first pre-rolled edge is further curled to edge towards cup body central axis to make it constitute second pre-rolled edge and the final rolling mechanism that second pre-rolled edge is further curled to make it curling closure, the recess mould axial center can pass first pre-rolling mechanism, second pre-rolling mechanism and final rolling mechanism axial center in turn, dispense with water treatment step, avoid the problem caused by water treatment to appear.

The application relates to the technical field of solid waste treatment, and discloses an intelligent control sorting system and sorting equipment for construction waste based on AI vision, which integrates material conveying, visual sensing, multi-stage driving sorting and a central main control module; a main controller constructs a window load entropy model based on visual data, reversely adjusts the frequency of a front-end vibrating material uniformizing device to realize full-line load balancing, and effectively prevents the phenomenon of overload congestion or idling of rear-end mechanical arms; a special electro-hydraulic mixed drive gripper is arranged at the sorting end, which can intelligently switch between servo electric power soft grabbing and hydraulic rigid heavy load locking modes according to the physical properties of materials; in addition, the system calculates visual touch feature residual errors by using physical feedback in the grabbing process, and iteratively corrects the weight parameters of the visual recognition algorithm online. The application effectively solves the problems that the traditional sorting line has large flux fluctuation and complex rigid and flexible materials are difficult to be considered, and significantly improves the overall sorting efficiency and purity of the system.

The utility model relates to the technical field of railway vehicles, disclose integrated shock absorber mounting seat and train bogie, this integrated shock absorber mounting seat includes riser, fixed plate and support component, the riser is opened with the plug groove and mounting hole, the fixed plate is fixedly plugged in the plug groove, can be fixed relative to the riser under the action of plug groove, and the connection is stable, the fixed plate is opened with the connecting hole, first buckling plate and second buckling plate are located at both sides of fixed plate respectively and are fixedly connected in the edge of riser, first buckling plate is butt joint in the first end surface of fixed plate, second buckling plate is butt joint in the second end surface of fixed plate, further improve the stability of fixed plate relative to the riser connection, not easy to break, and the supporting is strong, realized the integration installation of anti-snake oil pressure shock absorber and two vertical oil pressure shock absorber, compact structure, optimize the installation space to the realization of anti-lateral roll torsion bar through the frame crossbeam can be realized, improve the installation reliability of anti-lateral roll torsion bar.

The utility model discloses sealing performance detection equipment for injection molding barrel production. The sealing performance detection equipment comprises a bottom plate, a controller, a pick-and-place transfer mechanism, a supporting mechanism and a sealing performance detection mechanism, wherein the controller is mounted on the bottom plate; the pick-and-place transfer mechanism, the supporting mechanism and the sealing performance detection mechanism are arranged on the bottom plate. Through cooperation of the first electric push rod, the first connecting slide rod, the supporting top plate and the first distance sensor, the supporting top plate abuts against the rotating disc, so that the stable supporting force of the rotating disc is increased, and the rotating disc is prevented from being broken in the detection process.

The utility model relates to the technical field of storage box manufacturing, disclose a kind of moistureproof storage box. Wherein moistureproof storage box includes box body unit and box cover unit, box cover unit covers on box body unit, box body unit includes first bottom plate, first front plate, first back plate, first left side plate, first right side plate, first reinforcing plate, second reinforcing plate, first auxiliary plate and second auxiliary plate being connected. First front plate, first back plate, first left side plate and first right side plate are all bent upwards to form the box body unit in assembled state, when moistureproof storage box is in assembled state, first auxiliary plate is bent forward to support first left side plate and first right side plate, two second auxiliary plates are bent to support first front plate, first reinforcing plate and second reinforcing plate are all bent to the inside of box body unit, two second auxiliary plates lower end are extended to form insertion, two insertion parts are mutually inserted, so that moistureproof storage box is not easy to break and collapse and more durable.

This application relates to the field of photovoltaic louver technology, and discloses an electrical connection component, a photovoltaic louver, and a power generation system. The electrical connection component includes a housing and a conductive component. The housing has a mounting cavity and a first through hole, which extends along a first direction and communicates with the mounting cavity. The conductive component includes a wire-passing portion and a clamping portion connected together. The wire-passing portion is installed in the mounting cavity and has a wire-passing hole that communicates with the first through hole within the mounting cavity. The clamping portion connects to the wire-passing portion and extends beyond the mounting cavity, forming a clamping area. The clamping area and the wire-passing hole are arranged side by side in a second direction. The clamping area of ​​the clamping portion is used to clamp the conductive electrode of the photovoltaic blade. The first through hole and the wire-passing hole are used for the busbar to pass through. Through the above method, the embodiments of this application can improve the connection reliability and conductivity efficiency between the photovoltaic blade and the busbar, as well as enhance the compactness and aesthetics of the overall structure of the photovoltaic louver.

This invention discloses a cold-resistant, low-smoke, airtight, explosion-proof control cable and its manufacturing method, relating to the field of control cable technology. It includes a central transmission cable with an outer protective rubber layer. The outer protective rubber layer is covered by an inner anti-slip silicone ring, which is further covered by an inner rubber expansion layer. A side-guided inner tube is located outside the inner rubber expansion layer. This invention utilizes a flexible expansion airbag and an adjustable isolation box with a linked internal and external pressure-stabilizing structure to maintain the internal air pressure of the control cable within a suitable range during use. This allows for rapid sealing and protection of the damaged area after external damage, preventing internal damage or electrical sparks caused by external impurities after the outer sheath is damaged. This effectively improves the explosion-proof capability and safety of the control cable.

The utility model provides a kind of corrosion -resistant spiral steel pipe, the utility model includes spiral inner tube body and seamless outer tube body, and interlayer space is formed between spiral inner tube body and seamless outer tube body, and interlayer space is filled with heat preservation filling layer, the outer surface of spiral inner tube body and the inner surface of seamless outer tube body are equipped with corrosion -resistant coating, and the both ends of spiral inner tube body and seamless outer tube body are respectively equipped with first connecting frame and second connecting frame, the edge of first connecting frame is equipped with insert block one, the edge of second connecting frame is equipped with the slot compatible with insert block one, the edge of second connecting frame is equipped with insert block two, the edge of first connecting frame is equipped with the slot compatible with insert block two, and the opening is formed between first connecting frame and second connecting frame, and reinforcing strip is inserted in the opening.The utility model can improve environmental adaptability by double corrosion -resistant coating, optimize the sealing property of connecting structure, enhance the synergistic effect of reinforcing strip and heat preservation layer, to prolong service life and ensure operating stability.