39results about How to "Realize stretching" patented technology

The invention discloses a flexible plastic quick grouting hole sealing device and method. The device is mainly composed of an umbrella buckle type plugging device, a slotting flexible plastic grouting pipeline and a double-cone pipe connector device. The initial grout pressure in pipes is positively stored in a sealed mode through the differential flow of grout fed into and discharged out of the grouting pipes, and the processes of automatic pushing out, spreading and plugging of a convex angle umbrella buckle are completed. A flexible plastic pipe capable of being coiled is adopted to be inserted into a drill hole at a time, and the primary quick hole sealing operation requirement is met. According to the flexible plastic quick grouting hole sealing device and method, the process of traditional hole sealing operation is simplified, operation is convenient and quick, the cost is low, and the device and the method are novel hole sealing device and method which have wide application and popularization value.

The invention discloses a fixture for installing spring band which comprises an annular bracket, wherein multiple cylinders are evenly arranged on the outer wall of the annular bracket along the circumferential direction of the bracket, each cylinder comprises a piston rod which stretches out and draws back along the radial direction of the bracket and extends to the inner side of the bracket, a claw piece which is used for hooking the inner circle of the spring band and applying radial outward tension is fixed on the tail end of the piston rod of each cylinder, which is arranged at the inner side of the bracket, and the cylinder body of each cylinder is communicated with an air source through an air channel connecting pipe. The claw pieces can be driven to move outwards along the radial direction of the bracket by the piston rods and the spring band is driven to expand outwards by the claw pieces, thus the expansion of the spring band can be easily realized, the operation is simple and the assembly efficiency is high.

The invention discloses an automatic sealing ring assembly working station, and relates to the technical field of sealing ring assembly. The working station comprises a working platform and a feedingassembly, the working platform is provided with a positioning fixture, a sleeve assembly and a rotary disc, the working platform is internally provided with a motor, and the rotary disc is provided with a fixing assembly. The working station has the advantages that the structure is simple, the operation is convenient, a sealing ring can be fixed at a fixed position by arranging the positioning fixture, the position of a product can be fixed by arranging the fixing assembly, the sealing can be expanded or moved by arranging the sleeve assembly so as to sleeve the product with the sealing ring,the product can be taken and placed through a manipulator, and the feeding and sleeve of the sealing ring can be automatically achieved to improve the working efficiency and reduce cost.

The invention discloses an aorta abdominalis covered stent. The aorta abdominalis covered stent comprises a covered stent and a bare stent, wherein the covered stent is of a cylindrical structure, comprises a covered fluid passageway and is used for being matched with the inner wall of an aorta abdominalis and suitable for expanding the aorta abdominalis. The bare stent is in a wavy shape and connected with the top end of the covered stent, and comprises crest structures away from the covered stent and trough structures close to the covered stent, and a fluid passageway is formed between each crest and the corresponding trough. The aorta abdominalis covered stent further comprises upper anti-disengagement fixing structures arranged on the crest structures and lower anti-disengagement fixing structures arranged on the trough structures, wherein the upper anti-disengagement fixing structures are used for being fixed to the portions, above a renal artery, of the aorta abdominalis, the lower anti-disengagement fixing structures are used for being fixed to the portions, below the renal artery, of the aorta abdominalis, and therefore the whole aorta abdominalis covered stent can be fixed into the aorta abdominalis.

The invention relates to the technical field of medical instruments, in particular to an opening instrument for a laparoscopic operation, which comprises an operation rod, a first spring and a secondspring, wherein a through cavity is formed in the operation rod, a sliding plate is slidably connected in the through cavity, a fixing plate is fixedly connected in the through cavity, the sliding plate is connected with a fixed plate through the first spring; one side of the sliding plate, away from the fixed plate, is provided with a plurality of opening groups, each opening group comprises twooppositely arranged mounting seats, each mounting seat is hinged with a supporting bar, the two supporting bars are connected through the second spring, one side of the sliding plate, close to the fixed plate, is fixedly connected with a connecting rod, the connecting rod penetrates through the fixed plate, one end of the connecting rod, away from the sliding plate, is fixedly connected with a pull rope. According to the invention, the sliding plate is pulled to slide by pulling the pull rope, so that the plurality of supporting rods can be opened and closed, the operation is convenient, and the opening effect is good. In addition, the supporting rods can be completely folded in the through cavity of the operation rod, so that the volume occupied by the supporting rods during storage is reduced, and the supporting rods are convenient to store.

The invention discloses an automatically and manually controlled umbrella. The umbrella comprises an umbrella column (1), an umbrella body (2), a lifting device (3), an extension device (4) and a mobile supporting mechanism (5), wherein the umbrella body (2) is arranged on one side of the umbrella column (1) through the mobile supporting mechanism (5), and the lifting device (3) and the extension device (4) are arranged on the umbrella column (1). The automatically and manually controlled umbrella can not only achieve lifting and extension of an umbrella frame manually and electrically, but also be self-locking and easy to use.

The invention discloses an ermine muff cutting device for ermine production, and relates to the technical field of garment production. The ermine muff cutting device solves the problems that the existing ermine cutting operation is troublesome, low in production efficiency and poor in safety. The ermine muff cutting device comprises a main body, wherein a motor is fixedly connected to the rear part of the top of the main body; a flywheel is axially connected to the top of the main body; a conveying mechanism is arranged at the front end face of the main body; a middle transmission shaft is axially connected to the interior of the main body; the conveying mechanism is of a conveying belt structure; a plurality of ermine muff fixing mechanisms are fixedly connected to the front end face of the outer side of a conveying belt of the conveying mechanism; and the front end face of the main body is slidably connected with a cutting mechanism. The ermine muff cutting device for ermine production has the advantages of being simple in structure, convenient to operate, capable of achieving rapid cutting of ermine muffs, and high in cutting efficiency, the operation can be achieved by only oneperson, meanwhile, an operator is away from cutters during cutting, and the safety is high.

The invention discloses a top connector among post rods of a tent frame, which comprises a ring-shaped body and a plurality of springs. The ring-shaped body is integrally extended outwards with a plurality of small projecting columns along the periphery, one end of each spring is fixed with one small projecting column, and the other end of the spring is fixed with one post rod of the tent frame, wherein the small projecting columns are solid or provided with through holes through which the springs can pass. With the adoption of the structure, the top connector has the characteristics of simple structure and convenience for folding and expanding.

The invention relates to a combined needle used for electrostatic spinning. The combined needle is characterized by comprising a hollow stainless steel needle body and a stainless steel needle base with a discharging tip, and an inner thread is arranged on the bottom surface of the hollow stainless steel needle body; a fastening piece of a double-thread locking structure is adopted by the stainless steel needle base with the discharging tip, and a solid metal wire is fixedly arranged on the upper portion of the stainless steel needle base, so that it is achieved a spinning polymer solution is drawn at the tip of the solid metal wire so as to generate silk; the solid metal wire is welded to the center of a hollow-out support on the inner wall of the outer thread of the stainless steel needle base, and the solid metal wire can be higher than, equal to or lower than the hollow stainless steel needle body. By means of the combined needle, the problems that the liquid outlet end of an existing needle/sprayer used for electrostatic spinning is likely to be blocked, and the multi-jet stability is poor are effectively solved, the spinning solution outlet amount in unit time is increased, and the electrostatic spinning speed is greatly increased.

The invention relates to an efficient drying device for a dust removal cloth bag. The efficient drying device comprises a fixing box, a circular plate, an abutting mechanism, a clamping mechanism anda limiting mechanism, wherein the clamping mechanism comprises a motor, a rotating rod, a moving rod, a first lantern ring, a second lantern ring and a clamping assembly; the limiting mechanism comprises a limiting ball, a rolling ball, a limiting rod, a connecting rod, a pushing plate, a first spring and a limiting assembly; and the abutting mechansim comprises a second spring and an abutting rod. According to the efficient drying device for the dust removal cloth bag, through cooperation of the clamping mechanism, the abutting mechanism and the limiting mechanism, clamping, protecting and abutting of a main body are achieved, the main body is spin-dried more easily, opening of the main body is achieved, and when the main body rotates, water can be thrown out better under the action of centrifugal force, meanwhile, abutting against the bottom end of the main body is achieved through the limiting assembly, the main body is positioned, the opening angle of the main body can be adjusted,the main body is prevented from being damaged, and the use practicability is improved.

The invention discloses a welding location device composed of a screw, a plus thread bushing and a left-hand thread bushing. Plus threads and left-hand threads are machined on two ends of the screw, and the plus thread bushing and the left-hand thread bushing are screwed in the plus thread end and the left-hand thread end of the screw respectively. The welding location device is convenient to use, good in location effect, simple in manufacture and low in cost.

The invention provides an egg automatic packing machine which comprises an egg carton conveying unit, an egg carton positioning unit, an egg carton grabbing unit, a grabbing head rotating unit and a box supporting unit. The conveying unit is a horizontally-arranged conveying platform; the egg carton positioning unit is arranged at the tail end of the conveying platform and comprises positioning rods arranged in the conveying platform; the positioning rods comprise the fixed positioning rod located at the edge of the conveying platform and the moving positioning rod located at the center of theconveying platform; and the moving positioning rod upwards moves to extend into grooves in the bottoms of egg cartons so as to complete egg carton positioning. The automatic packing machine is ingenious in structural design, low in cost price, convenient to maintain and safe in use.

The invention discloses an umbrella capable of being automatically opened and closed. The umbrella comprises an umbrella cover, ribs, an umbrella rod, an upper honeycomb and a lower honeycomb, whereinthe umbrella rod comprises an upper sleeve, a guiding rod, a driving rod and a lower sleeve, the upper sleeve and the lower sleeve vertically and coaxially sleeve the driving rod separately and are distributed vertically at an interval, the upper honeycomb is fixed at the upper end of the upper sleeve, the upper end of the driving rod is rotatably connected with the upper sleeve or the upper honeycomb, the lower end of the driving rod extends to the lower end stretching out of the lower sleeve and is rotatably connected with the lower sleeve, and the portion, located between the upper sleeveand the lower sleeve, of the outer surface of the driving rod is provided with an outer thread, an inner hole of the lower honeycomb is internally provided with an inner thread matched with the outerthread on the driving rod, the lower honeycomb is arranged between the upper sleeve and the lower sleeve and is in threaded connection with the driving rod, the guiding rod is vertically arranged, thelower honeycomb is provided with a sliding hole vertically running through the lower honeycomb and matched with the guiding rod, the guiding rod vertically penetrates through the sliding hole of thelower honeycomb, the two ends of the guiding rod extend to the ends, close to each other, of the upper sleeve and lower sleeve to be fixedly connected, and the structure is simple.

The invention discloses an unmanned aerial vehicle with unfoldable or foldable fan blades. The unmanned aerial vehicle includes a main vehicle body, which is internally equipped with a transmission cavity 1, a storage cavity is formed under the transmission cavity 1, a lower side wall of the storage cavity is communicated with the outside of the main vehicle body, a camera is arranged on the lowerside of the storage cavity, and a transmission device 1 for driving the camera to rotate by 360 degrees is arranged in the storage cavity. The unmanned aerial vehicle with unfoldable or foldable fanblades is simple and convenient to operate, and low in manufacturing cost, can realize unfolding or folding of the fan blades through spiral cooperation of a screw rod 4 and a nut 3, the overall sizeof the unmanned aerial vehicle is reduced, space is saved, and also the camera can be stored in the storage cavity through spiral cooperation of a disc 1, a screw rod 1 and a screw rod 2 so as to be prevented from being bumped.

The invention relates to a cystic duct opening device and method. The device comprises a fixed pipe, a pusher pipeline and an expander which are coaxially arranged; one end of the pusher pipeline is connected with the fixed pipe, and the other end is connected with the expander through a corrugated pipe; the fixed pipe is connected with the pusher pipeline to be taken as a fixing and supporting component of the opening device; the pusher pipeline comprises an outer pipe, an inner pipe and a middle pipe clamped between the outer pipe and the inner pipe. The cystic duct opening device and method provided by the invention have the benefits that by effectively utilizing the matching of a telescopic cylinder and a disc type cylinder, the elongation of the pusher pipeline as well as the deflection and expansion of the expander is realized, and further, the opening of a cystic duct is realized, so that a convenient passage is provided for the situation that a choledochoscope goes in and goes out of the cystic duct, and the injury caused by forming an operating port on a gall bladder to a patient is effectively avoided; moreover, the secondary injury in the operating process is reduced or operation risks or sequelae are reduced.

The invention discloses a solid-liquid separation mesh bag automatic forming machine. The solid-liquid separation mesh bag automatic forming machine comprises a support and a conveying belt; the conveying belt is installed on the support; a feeding hopper is installed at one end of the support; mesh bags to be machined are installed in the feeding hopper; and a mesh bag opening mechanism, a sewing mechanism, a trimming mechanism and a cutting mechanism are installed above the support. The solid-liquid separation mesh bag automatic forming machine is novel in structural design and high in automation degree, can achieve opening, sewing, trimming and cutting of mesh bags, is high in working efficiency, reduces labor cost and improves production efficiency.

The invention discloses an automatic bagging machine for edible mushroom bar bags, which can automatically load materials, automatically supply and pull charging bags, automatically open bag openings of the charging bags, automatically position the bag openings and automatically load the materials. A bag unwinding mechanism and a bag pulling mechanism can be conveniently matched, when a first movable bag pulling device and a second movable bag pulling device of the bag pulling mechanism pull the charging bags corresponding to the first movable bag pulling device and the second movable bag pulling device to move to the bag grabbing position of a bag grabbing and bag opening positioning mechanism, the tails of the charging bags corresponding to the positions are just located at a cutting assisting clamping knife, the charging bags corresponding to the positions can be pulled down conveniently, simplicity and convenience are achieved, positioning is accurate, and meanwhile, the second movable bag pulling device can move to the position between the cutting assisting clamping knife and a bag pressing clamping block so that the next charging bag can be pulled out conveniently.

The invention provides a far infrared plate assembly type sauna room body, relates to the technical field of sauna rooms, and solves the problems that when a traditional far infrared plate assembly type sauna room body is used, the stability of the connecting part of each part is poor, the connecting part is very easy to loosen in the using process, and the safety of the sauna room body in the using process is influenced. Comprising a sauna room body, the two sides of each sauna room body are connected with the two adjacent sauna room bodies correspondingly, and sauna room plates are installed at the tops of the sauna room bodies. The two ends of the driving pieces are connected with the two ends of the inner side of the sauna room body through connecting rods correspondingly, and the two ends of the double-thread screw are connected with the two driving pieces correspondingly. The driving pieces at the left end and the right end are driven by the double-thread screw to be synchronously adjusted inwards and outwards, the sauna room body is unfolded and folded, after the sauna room body is unfolded and folded, the left driving piece and the right driving piece are fixed through the double-thread screw, and therefore the long wall body is fixed through the connecting rods connected with the driving pieces; and the stability of the long wall body in two states is guaranteed.