49results about How to "Safe removal" patented technology

The utility model relates to an automatic sorting device for lens disassembly, which relates to the technical field of lens disassembly and comprises a storage bin used for storing lenses to be disassembled and a feeding and discharging Y shaft arranged on one side of the storage bin and used for moving the lenses in a tray out to a working area. The jacking and clamping double-station assembly comprises a clamping head for clamping a to-be-disassembled lens, a lead screw motor for ejecting out to-be-sorted components in the lens in the direction below the clamping head, a component pre-pressing plate piece for pre-pressing the products to prevent the products from scattering and inclining, and a pre-pressing mechanism switching shaft for adjusting the position of a pre-pressing mechanism. An inverted U-shaped support plate is arranged on the top surface of the free end of the component pre-pressing plate piece, the inner wall of the U-shaped support plate is connected with a vacuum chuck tailstock through a lifting component, the bottom surface of the vacuum chuck tailstock is connected with a vacuum chuck piece through a pipeline longitudinally penetrating through the component pre-pressing plate piece, and the vacuum chuck piece adsorbs a component in a lens in a product.

The utility model discloses a window wiper blade box, which belongs to the field of storage devices and comprises a box body, a blade distribution structure is mounted in the box body, a blade taking opening and a blade pushing opening are further arranged on the box body, the width of the blade taking opening is matched with that of a blade, and the blade pushing opening is positioned at the position of a clamping plate of the blade to be taken out. The width of the blade taking opening is matched with the width of the blade, the blade is transversely pushed out in the length direction of the blade, and compared with the mode that the blade is directly taken with hands and ejected out in the direction from the cutting edge to the clamping plate, the cutting edge of the blade is not prone to shaking in the blade taking-out process, so that collision damage is not prone to occurring, and the problem that in the prior art, the blade taking-out efficiency is high is solved. The blade is not safe to take out from the blade box, and the cutting edge of the blade is easy to damage.

The invention discloses automobile part shell press-fitting equipment for production, and relates to the technical field of automobile part machining, the automobile part shell press-fitting equipment for production comprises a machining table, a fixing table is fixedly mounted at the top of the machining table, a press-fitting mechanism fixedly penetrates through the top of the fixing table, and an upper mold is fixedly mounted at the output end of the press-fitting mechanism; a lower mold is fixedly mounted at the top of the machining table; wherein the fixing device comprises a loading frame, a carrying plate, a linkage rod, a lifting rod, a Z-shaped piece, a placing plate, a rubber clamping plate, a first elastic piece, a holding rod and an L-shaped plate, the loading frame fixedly penetrates through the inner wall and the outer wall of the fixing table, the carrying plate is slidably installed on the inner wall of the loading frame, and the elastic Z-shaped piece provides power to drive the placing plate to move upwards; and an operator can safely and quickly take out a formed workpiece under standard operation.

The utility model relates to the technical field of bag-type dust removers, and discloses a bag-type dust removal connecting structure which comprises a first connecting ring, two connecting blocks are fixedly connected to the inner wall of the first connecting ring, an expansion ring is fixedly connected to the left side of the first connecting ring, and a convex ring is fixedly connected to the left side of the first connecting ring. A second connecting ring is detachably connected to the left side of the first connecting ring, a sealing groove is formed in the second connecting ring, a plurality of first springs are fixedly connected to the inner wall of the sealing groove, sealing rings are fixedly connected to the right sides of the first springs, and a clamping ring is fixedly connected to the interior of the second connecting ring. According to the utility model, dust-containing gas can be effectively prevented from escaping, the clean and safe working environment is guaranteed, the harm of dust to the health of personnel and the surrounding environment is greatly reduced, the stable airflow and pressure environment in the bag-type dust collector can be maintained, the efficient development of dust collection operation is ensured, and the reliable operation cycle and the service life of equipment are prolonged in an assisting manner.

The utility model discloses a glue removing device which comprises a conveying mechanism used for conveying materials, the surface of the conveying mechanism comprises a first area and a second area which are distributed in the conveying direction, and the materials comprise silicon materials and glue layers attached to the silicon materials; the image acquisition mechanism and the heating degumming mechanism are installed above the conveying mechanism in the conveying direction of the conveying mechanism, the image acquisition mechanism comprises image acquisition equipment movably installed above the conveying mechanism, and the heating degumming mechanism comprises a laser movably installed above the second area. The glue removing device disclosed by the utility model can be used for efficiently and safely removing a glue layer on a material in an environment-friendly manner.

The invention discloses an injection mold device for automobile injection molded parts, and relates to the technical field of plastic injection molding. The key points of the technical solution include: a pair of injection molds are provided, the two injection molds can move relative to each other or move away from each other, and an injection cavity is formed inside the two injection molds after they are combined, and an accommodating cavity is provided on the inner surfaces of the two injection molds; a support frame component is slidably installed on a rotating column, and a plurality of support frame components are evenly spaced in the circumferential direction of the rotating column, and the support frame component is composed of two relatively arranged edge frames, the shape of the edge frames is adapted to the accommodating cavity, and edge grooves are provided on the opposite surfaces of the two edge frames; when the two edge frames are combined, the two edge grooves form the edge part of the injection cavity; an intermittent rotating mechanism, one end of which is fixedly installed on one end of the rotating column, and the other end is slidably installed on one of the injection molds; the effect is to improve the processing efficiency of injection molded parts.

The present invention discloses a control method and system for drone beehive picking, which mainly includes bagging, spraying, cutting, self-tightening and separation. The drone identifies the specific location of the hornet's nest and the specific environment around it through a monitoring system. After identifying the location of the hornet's nest, the drone flies to the hornet's nest, keeps a distance, turns on the spray device and extends a long rod to cover the hornet's nest from bottom to top with a bag, turns on the power, and cuts the hornet's nest by heating and tightening the resistance wire. After the cutting is completed, the bag mouth is sealed by shrinking and sticking tightly, the hornet's nest falls, the drone breaks the rod, the hornet's nest falls to the ground, the drone flies back, and the removal of the hornet's nest is completed. The present invention uses the drone to intelligently identify the location, size and shape of the hornet's nest, and takes corresponding removal measures in combination with the environment, thereby efficiently completing the removal work, being more environmentally friendly, and having a lower possibility of residual harm.

The present invention discloses a cable ice removal device, which belongs to the technical field of cable deicing, and comprises a walking mechanism, wherein the walking mechanism is used to walk along the length direction of the cable; a thermal deicing mechanism, wherein the thermal deicing mechanism comprises a heating device and a blowing device, wherein the heating device has a heating channel for the cable to pass through, and the blowing device is used to blow air into the heating channel; and a mechanical deicing mechanism, wherein in the walking direction of the walking mechanism, the mechanical deicing mechanism is located in front of the thermal deicing mechanism. In the deicing process, the present invention first uses the mechanical deicing mechanism for mechanical deicing, then uses the thermal deicing mechanism for heating deicing, and uses the blowing device for air drying while heating deicing. By combining mechanical, thermal, blowing and other technical means, the deicing can be quickly, safely and completely removed, thereby ensuring the stable operation of the power line under extreme weather conditions.

The specimen taking-out protective sleeve for the digestive endoscopy comprises a handle, a sleeve arranged at the front end of the handle and a guide wire arranged in the sleeve in a penetrating mode, the handle is used for controlling the guide wire to stretch out and draw back in the sleeve, the head end of the guide wire is reversely bent and fixedly connected with the guide wire through a lock head, and the lock head is fixedly connected with the handle. Therefore, the head end of the guide wire forms a sleeve ring in a surrounding mode, and the sleeve ring is connected with an object taking bag. Wherein the two guide wires forming the sleeve ring are jointly and movably sleeved with a tightening sleeve, the periphery of the inner wall of the sleeve pipe is provided with a limiting blocking piece, the limiting blocking piece is provided with an opening allowing the guide wires to penetrate through, and the tightening sleeve is located on the side, facing the imbedding direction, of the limiting blocking piece. The radial size of the tightening sleeve is larger than the size of an opening formed by the limiting blocking pieces. The fetching bag is arranged on the ferrule formed at the head end of the guide wire, so that the specimen is wrapped and safely taken out.

The invention belongs to the technical field of inspection after irradiation, and particularly relates to a device and method for polishing an oxidation film of a nuclear fuel cladding tube after irradiation, and the device comprises a bottom plate, a rotating mechanism, a lifting mechanism, a moving mechanism, a polishing mechanism and a control system. One end of the lifting mechanism is arranged on the bottom plate, and the other end is connected with the rotating mechanism and used for controlling the rotating mechanism to move in the vertical direction; the rotating mechanism is used for clamping a cladding pipe to be polished and driving the cladding pipe to rotate in the horizontal direction; a grinding mechanism is arranged on the moving mechanism and used for controlling the grinding mechanism to horizontally get close to or get away from the rotating mechanism in the length direction of the cladding pipe; the polishing mechanism is used for polishing the outer surface, the inner surface and the end of the cladding pipe opening. And the control system is used for automatically controlling the process of polishing the oxide film of the cladding tube. According to the device and the method, the oxidation film on the surface of the cladding tube can be safely and rapidly removed, the operation time is shortened, and the irradiation dose value of workers is reduced.

The invention discloses a surface wear-resistant machining device for automobile metal part machining, which is applied to the technical field of automobile part machining, and is characterized in that a treatment tank is arranged as an electroplating liquid container for electroplating machining, and during use, a connecting shaft is supported by a side plate; when the connecting shaft rotates, the processing assembly on the outer side of the connecting shaft rotates along with the connecting shaft, a workpiece is hung on the outer side of the hanging tool and matched with a conductor block, a hanging plate and a support to provide current to pass through a to-be-plated part, when the connecting shaft rotates slowly, a shifting block is clamped on the inner side of a clamping ring, and a connecting spring deforms along with rotation of a sleeve shaft; the annular frame is staggered relative to the sleeve shaft until the shifting block slips from the clamping ring and is in contact with the other open groove of the clamping ring, and the connecting spring is reset, so that the annular frame oscillates relative to the sleeve shaft, the mounting plate and the bracket in the treatment tank are promoted to oscillate together, and the electroplating liquid flows.

The application discloses a top cover injection integrated molding device and belongs to the technical field of injection molding. The device comprises a main body, a collecting assembly, a driving assembly and the like. The collecting assembly is arranged in the interior of the injection molding machine body and comprises a collecting box arranged at the lower end of an inclined plate. A protective pad is fixed in the interior of the collecting box. Protective columns are fixed on the two sides of the collecting box. The driving assembly is arranged on the inner bottom surface of the injection molding machine body and comprises an electric guide rail fixedly arranged in the interior of the injection molding machine body. The top cover injection integrated molding device can effectively buffer the impact force when the workpiece falls, can avoid mechanical damage such as scratches and depressions on the surface of the workpiece, can guarantee the production quality of the workpiece, and can automatically push the collecting box out of the injection molding machine body through the driving assembly, so that workers can quickly and safely take out the product, and the production efficiency is greatly improved.

The utility model relates to the technical field of constructional engineering, and discloses a pile foundation casing inner wall concrete iron removing scraper which comprises a rotary drilling rig drill bit, scraper seats are fixedly arranged at the two ends of the two sides of the outer surface of the rotary drilling rig drill bit, clamping grooves are formed in the front faces of the scraper seats, and the scraper seats are connected with iron scraper bodies in a clamped mode through the clamping grooves. According to the iron scraper for removing concrete on the inner wall of the pile casing of the pile foundation, the scraper seats and the iron scraper bodies are fixedly arranged at the two ends of the two sides of the outer surface of the drilling rig drill bit, and when the drilling rig drill bit rotates, the scraper seats and the iron scraper bodies are driven to work, so that concrete residues on the inner wall of the pile casing can be quickly and safely removed, and the working efficiency is improved; and the difficulty and danger of manual cleaning are reduced.

The invention discloses disinfection equipment for medical instruments, and relates to the technical field of disinfection equipment.The disinfection equipment comprises a shell, the shell is used for supporting the disinfection equipment and comprises a supporting frame arranged at the rear end of the inner side of the shell, and a torsion motor is fixedly mounted on the supporting frame; the torsion motor is fixedly installed at the bottom of the inner side of the shell through a supporting frame. According to the disinfection equipment for the medical instruments, the ultraviolet lamp beads are started in advance to irradiate the nursing instruments, matrix light spots are formed on the nursing instruments in the form of ultraviolet rays of dotted light beams which are vertically, downwards and intensively irradiated through the cylindrical reflection base, and the nursing instruments are irradiated in advance; the additional sterilization time of the sterilization equipment on the nursing instruments can be effectively prolonged, the nursing instruments can be pre-sterilized in advance, and the hidden danger that tiny bacteria are brought into the inner side of the shell from the outside can be counteracted when the shell is opened and the pocket plate is installed.

The utility model relates to the field of chili sauce sampling, in particular to a chili sauce sampling device. Comprising a sampling rod, a movable sampling groove and a sampling pushing block, a completely-through sampling hiding groove is formed in the bottom of the sampling rod, a main body of the movable sampling groove is of a circular groove body structure and contracts into the sampling hiding groove in a normal state, and linkage rod mounting grooves are formed in the groove walls of the two sides of the sampling hiding groove; a linkage rod mounting groove is formed in the sampling rod, the linkage rod mounting groove completely penetrates through the sampling rod, a linkage rod is arranged in the linkage rod mounting groove, one side of the movable sampling groove is connected with the end part of one side of the linkage rod, and the end part of the other side of the linkage rod penetrates through the upper end of the sampling rod and is fixedly connected with a sampling pushing block at the upper end. Sauce at the corresponding position of the sauce frying pot can be taken out rapidly and safely, so that whether the sauce needs to be taken out of the pot or not is rapidly distinguished, safe and efficient sampling is achieved, and meanwhile waiting time is shortened to affect taste.

The application discloses a construction method for removing obstacle piles in complex environments by a rotary excavator, and comprises the following steps: S1, finding obstacle piles; S2, collecting obstacle pile coordinates; S3, performing small-strain detection on the obstacle piles; S4, backfilling the obstacle piles; S5, obstacle pile coordinate lofting; S6, installing a pile driver on the rotary excavator; S7, lowering a full pile guard on the rotary excavator; S8, installing a core drill on the rotary excavator to pull out the pile; S9, replacing a rock-embedded short auger on the rotary excavator to pull out the pile; and S10, taking out the full pile guard to backfill the pile hole. The application has the advantages that site conditions are less limited, on-site implementation is more flexible, the method is more widely applicable than the existing full-rotary full-pile-guard pile pulling method, the rotary excavator is safer, more economical, more efficient, and more operable in removing obstacle piles, and is especially suitable for removing non-full-cage obstacle piles.

The invention discloses a device for taking out a large vulnerable KDP / DKDP (potassium dihydrogen phosphate / dipotassium dihydrogen phosphate) crystal blank, which comprises an adsorption mechanism, a supporting and clamping mechanism and a load-bearing adjusting mechanism, and is characterized in that the adsorption mechanism comprises an ultra-thick rubber sucker, a double-shaft connecting rod, a pressing buckle, a disc body and a handle; the supporting and clamping equipment comprises an aluminum profile, a connecting screw rod and a locking nut; the bearing adjusting device comprises a foot cup, an anti-skid rubber pad, an integrated screw rod and an adjusting nut. The device can be flexibly adjusted according to the size of a crystal blank, and the safety and integrity of the crystal in the taking-out and transferring process are ensured. And safe, efficient and lossless taking-out and transferring of the crystal blanks are achieved.

This utility model discloses a backlight device for a motorcycle LCD instrument panel, including an LCD instrument box and an observation window located inside the front side of the LCD instrument box. Instrument indicators are located at the left and right ends of the inner side of the observation window, with an instrument pointer positioned between the two indicators. A sliding plate is located inside and outside the left end of the observation window, with a thick fiber cloth connected to the left side of the sliding plate. A torsion spring is connected to the left end of the thick fiber cloth. During driving, dust accumulation and fogging of the observation window can obstruct the driver's vision, affecting their judgment of key parameters such as speed and fuel level. Traditional cleaning methods require stopping the vehicle, which not only delays the journey but may also pose safety hazards in emergencies. The innovative cleaning system allows the driver to complete the cleaning by pulling a cord with one hand. The entire process does not require stopping, and the cord runs along the outside of the observation window without obstructing the driver's vision, ensuring uninterrupted driving and significantly improving driving safety.

The invention relates to the technical field of mineral processing, and discloses a movable hydrogen energy comprehensive application plasma tailing metal and nonmetal separation and reduction device which comprises a movable supporting frame assembly, and the movable supporting frame assembly comprises a heavy frame supporting frame. Mineral aggregate containing iron oxide metal is poured into the reduction reaction furnace, the reduction reaction furnace is filled with hydrogen through the hydrogen inlet, the control box is used for controlling the heating copper pipe to heat the raw mineral aggregate in the reduction reaction furnace, the oxidation-reduction reaction in minerals can be accelerated, the driving rod is driven by the servo motor to rotate, and meanwhile the raw mineral aggregate in the reduction reaction furnace is heated through the heating copper pipe. The mixing rods are utilized to accelerate heat transfer to each part of a material, so that the thermal reaction is accelerated, hydrogen can better react with the material, the reaction efficiency and the metal recovery rate are improved, the material can be prevented from precipitating at the bottom or the edge of the reduction reaction furnace by stirring in the heating process, and the reaction efficiency is improved. All the materials can participate in the reaction.

The invention relates to the field of additive manufacturing aftertreatment, in particular to automatic sand cleaning equipment and method for a 3D printing sand core. In the prior art, a traditional mechanical sand cleaning method (high-pressure water jet, shot blasting and the like) is too high in impact energy, the fine structure of a 3D printing sand core is prone to being damaged, the product rejection rate is high, a mainstream manual / semi-mechanical sand cleaning mode is low in efficiency and poor in cleaning effect, and residual loose sand in a complex inner cavity and a blind hole cannot be treated; in order to solve the problems, the invention provides the automatic sand cleaning equipment and method for the 3D printing sand core. Through cooperative operation of the turnover mechanism and the telescopic mechanism, the mode of high-pressure airflow and gravity assisted shakeout is adopted, residual sand in a complex inner cavity is safely and efficiently removed, the industrial pain points that a 3D printing sand mold is difficult to remove sand and prone to damage are solved, and automation, intellectualization and lossless in the sand removing process are achieved.

The utility model discloses an aluminum alloy die-casting die sprue bush replacing device which comprises a vehicle frame and a grabbing assembly, a wheel assembly is arranged below the vehicle frame, and a vertical frame is arranged on a vehicle head of the vehicle frame. The grabbing assembly comprises a chuck connected with the sprue bush, a front-back driving mechanism and a lifting driving mechanism. The sprue bush is detachably connected with a sprue of the aluminum alloy die-casting die; the lifting driving mechanism comprises a lifting sliding table, a lifting screw rod and a lifting driver; first guide mechanisms are oppositely arranged on the two sides of the lifting sliding table, the lifting sliding table is connected with the vertical frame in an up-down sliding mode through the first guide mechanisms, and a connecting base is arranged between the two ends; one end of the lifting lead screw penetrates through a threaded hole of the connecting base and then is rotationally connected with the frame, and the other end of the lifting lead screw penetrates through the vertical frame and then is connected with the lifting driver. The front-back driving mechanism is fixedly connected with the lifting sliding table, and the driving end of the front-back driving mechanism penetrates through the lifting sliding table and then is connected with the chuck. According to the utility model, the sprue bush can be efficiently and safely taken out of or put into the mold, and the butt joint is convenient.

The utility model provides a kind of oral secretion negative pressure cleaning device, including mouth suction head, silica gel soft cover and negative pressure pipe;Wherein, mouth suction head is equipped with first liquid suction hole;Silica gel soft cover is installed on mouth suction head, is equipped with second liquid suction hole, and first outer convex arc strip is formed on outer side wall;Negative pressure pipe one end is communicated with first liquid suction hole, other end is suitable for connecting sputum suction barrel. When using, connect sputum suction barrel to negative pressure pipe, connect sputum suction barrel to negative pressure equipment, and adjust the size of negative pressure to appropriate negative pressure intensity;After adjusting, instruct patient to hold mouth suction head, under the action of negative pressure, oral secretion is sucked out through first liquid suction hole, and flows into sputum suction barrel. Compared with traditional sputum suction tube needing manual operation and being easy to damage oral mucosa, the oral secretion negative pressure cleaning device of the utility model can effectively prevent suction wound to oropharyngeal tissue, and medical staff do not need to continuously hold operation, and patient only needs to hold mouth suction head to realize continuous, safe secretion cleaning.

The invention belongs to the technical field of flushing fluid for an electric automobile cooling system, and particularly relates to low-conductivity flushing fluid for the electric automobile cooling system as well as a preparation method and application of the low-conductivity flushing fluid. The flushing fluid is prepared from the following components in parts by mass: 74.04 to 79.88 percent of deionized water, 20 to 25 percent of an alcohol solvent, 0.05 to 0.30 percent of a nonionic surfactant, 0.05 to 0.40 percent of a chelating agent, 0.005 to 0.05 percent of an anticorrosive agent, 0.001 to 0.02 percent of a silicon-based defoaming agent and 0.01 to 0.20 percent of a buffering agent, and the silicon-based defoaming agent exists in the form of a nano dispersion. The invention relates to a nanotechnology low-conductivity flushing fluid which is based on an ethylene glycol solvent system with the same polarity as a cooling liquid and has the advantages of cleaning power, low conductivity, corrosion resistance and foam inhibition.

The utility model relates to the technical field of blocking devices, and discloses a pulmonary artery blocking device for thoracoscopic surgery. The device comprises a device body, the device body is provided with a main pipeline, an auxiliary pipeline and a public pipeline, openings of the main pipeline and the auxiliary pipeline are located at the top end of the device body, an opening of the public pipeline is located at the bottom end of the device body, and the bottoms of the main pipeline and the auxiliary pipeline are communicated with the public pipeline; a shearing part is arranged on the side face of the device body and communicates with the main pipeline or the auxiliary pipeline. The problems that surgical suture operation is complex, winding interference exists, and potential safety hazards exist when a blocking device is removed are solved. The device is simple in structure and easy to operate, interference and risks are reduced, and operation efficiency is improved.

A kind of sea cucumber deep processing low heavy metal cadmium small molecule peptide production process, belong to sea cucumber small molecule active peptide deep processing technical field, in order to solve the problem of removing cadmium in the process of preparing small molecule peptide of sea cucumber, the gist includes preparing sea cucumber enzymatic hydrolysate;Remove cadmium in sea cucumber enzymatic hydrolysate, obtain the feed liquid of the sea cucumber enzymatic hydrolysate of removing cadmium, effect is able to obtain the sea cucumber small molecule peptide product with little heavy metal cadmium residue.

The invention relates to the technical field of 3D Gaussian splashing, in particular to a three-dimensional Gaussian compression method and system based on just perceptible distortion, and the method comprises the steps: collecting images, integrating and building a data set, and inputting the data set into a JND model to obtain a corresponding JND image; inputting the data set and the corresponding JND image into an anchor point-based 3DGS compression method model for training, sequentially obtaining the opacity and the JND score accumulation value of the anchor point, designing a loss function, and optimizing the attribute of the anchor point; judging whether the anchor point is pruned or not according to the opacity and the JND score accumulated value, and completing training of a 3DGS compression method model based on the anchor point; and the trained anchor point-based 3DGS compression method model outputs a rendered image. Extreme compression is achieved on the premise that human visual perception is not affected based on just perceptible differences, and an effective technical scheme is provided for storage and transmission of three-dimensional visual data.

The utility model discloses an agricultural product cold chain logistics transfer device, which comprises a transfer box body, a cover body is arranged on the transfer box body, two groups of adjusting mechanisms with the same structure are arranged in the transfer box body, the two groups of adjusting mechanisms both comprise two groups of second bearing seats fixedly arranged in the transfer box body, and the second bearing seats are fixedly arranged in the transfer box body. A lead screw is rotatably arranged between the two sets of second bearing seats, the lead screw is slidably sleeved with a sliding seat, one side of the sliding seat is fixedly connected with a supporting frame body, the supporting frame body is provided with a plurality of sets of storage frames, the end of the lead screw is fixedly connected with a second bevel gear, and the second bevel gear is meshed with a driving assembly. According to the scheme, rotation of the lead screw is accurately controlled through the servo motor, then the supporting frame body is driven to ascend stably, and the storage frame is ejected out of the transfer box body. The agricultural products can be taken out of the transfer device quickly and safely without going deep into the box body, so that the time and the labor cost are greatly saved, and the working efficiency is improved.

The invention provides an expansion balloon and a nipple incision system, and relates to the technical field of endoscopes. The dilatation balloon comprises a sheath tube and a balloon body, the sheath tube is provided with a guide wire guiding channel, an infusion channel, a far end and a near end, the hole wall of the part, close to the far end, of the guide wire guiding channel is provided with a first side opening, the first side opening penetrates through the hole wall of the guide wire guiding channel, and the size of the first side opening is configured to allow the head end of a visible guide wire to pass through; the balloon is arranged at the far end of the sheathing canal, the balloon and the first side opening are arranged at intervals in the direction away from the far end of the sheathing canal, and the end, located at the far end, of the infusion channel communicates with the balloon. According to the expansion balloon provided by the invention, the separation of the expansion balloon and the visual guide wire is not restrained and limited by the near-end connector, the operation is convenient, and the working efficiency is high.