34results about How to "Improve first-time success rate" patented technology

The invention relates to a connecting rod bushing interference assembling method. The method comprises the steps of placing a copper-base alloy bushing in the hot forging process, wherein the outer circular surface of the bushing is unnecessary to fine finish before the forging, and a small-end pore of an iron-base alloy connecting rod is well bonded with a joint surface of the bushing after the forging; primarily connecting the bushing with the small-end pore of the connecting rod in an expansion manner by utilizing an expansion tool, so that not only can the clearance formed in the cooling process of a forged piece be eliminated, but also the interference assembling can be realized, the small-end pore of the connecting rod and the outer circular surface of the bushing are not machined in the entire process, the success rate for assembling the bushing in one step can be increased, the assembling quality is reliable, the machining procedure can be reduced, the production cost can be reduced, and the production efficiency also can be improved.

The invention discloses a downward hanging mounting method for fire control sprayers in the form of a mineral cotton plate suspended ceiling. The downward hanging mounting method comprises the following steps that after a fire control design drawing is audited and a suspended ceiling form required by an owner is defined, a mineral cotton plate suspended ceiling split image is arrayed according to the requirements of the owner, the mineral cotton plate suspended ceiling split image and a sprayer point location image are integrated and overlapped, and point locations where the sprayers make contact with a keel and point locations where the sprayers are not located at the center of a mineral cotton plate are modified accordingly under the condition of meeting the requirements of fire protection rules. According to the downward hanging mounting method, in the process of downward hanging mounting for the fire control sprayers in the form of the mineral cotton plate suspended ceiling, the problems that because professions such as fire control, installation and decoration are often constructed synchronously, cross-operation happens and finished products are damaged and collide with one another are solved, the damage and the collision of the finished products are reduced, the efficiency and the quality of construction are improved, the one-time high-quality rate is greatly improved, cost is reduced, and benefits are improved.

The invention discloses a plant grafting and seeding cap bag, relates to a tool for producing the plant grafting and seeding cap bag, and discloses a plant grafting scion protecting device composed of a parchment cap bag, a plastic water cup and a thin water pipe. The plastic water cup is sutured inside the bag; the parchment cap bag is sleeved on a stock and a scion; and clear water is injected into the water cup. The cap bag can humidify the scion of a plant grafted seedling, can keep warm, prevent wind, shield light and prevent rain, and creates a good micro-environment condition for plant grafting seedling; generation of grafted seedling callus and coalescence of a wound are facilitated; and the survival rate and the quality of the grafted seeding are improved. The product is simple in operation mode; a sunshade net is not needed to shade after grafting is finished; and the labor intensity and the grafting cost are reduced.

The invention relates to a venipuncture robot control method and device and a computer readable storage medium. The venipuncture robot control method comprises the steps of respectively collecting anoriginal infrared image and an original visible light image of an arm; selecting a target blood vessel based on the original infrared image, and intercepting a part containing a target blood vessel area from the original infrared image as a target infrared image; intercepting a part in a corresponding range from the original visible light image according to the target infrared image to serve as atarget visible light image, preprocessing the target visible light image, and inputting the preprocessed target visible light image into a trained recognition model to obtain a recognition result, wherein the recognition result is that veins protrude out of the epidermis or the veins are hidden under the epidermis; and when the recognition result is that the veins protrude out of the epidermis, controlling a blood vessel fixing device of the robot to fix blood vessels. Compared with the prior art, the method has the advantages of improving the first success rate of automatic puncture and the like.

The invention discloses a prism bar examination device for strabismus examination. According to the main technical scheme, the prism bar examination device comprises an examination table, a prism bar and a bar control mechanism, wherein the inspection table comprises two fixed columns, a head support and a movable support, the head support is arranged between the two fixed columns, two ends of the movable support are movably connected with the two fixed columns respectively; the movable support can make lifting motion in the vertical direction; the bar control mechanism comprises a horizontal sliding seat and a sliding piece, the horizontal sliding seat is fixedly connected with the movable support, a vertical sliding groove is formed in the sliding piece, and the prism bar is embedded in the vertical sliding groove; the prism bar comprises a plurality of prisms with different prism degrees, the plurality of prisms are sequentially arranged according to a fixed prism degree gradient, a positioning mechanism is arranged between the vertical sliding groove and the prism bar, and the prism bar moves upwards or downwards according to a fixed displacement distance each time through a positioning mechanism; and a light shielding plate used for shielding eyes is further arranged, and is horizontally connected with the movable support or the horizontal sliding seat in a sliding mode.

The invention discloses a mechanical sealing type high-pressure capillary gas circuit device for connecting simulation testing equipment with a high-pressure gas refrigerating device. The device comprises a capillary high-pressure gas pipe, two jacket nuts and spiral head sealing components, wherein the two jacket nuts respectively penetrate into two ends of the capillary high-pressure gas pipe, and the spiral head sealing components are arranged in the jacket nuts and surround the outer wall of the capillary high-pressure gas pipe. The simulation testing equipment and the high-pressure gas refrigerating device are connected and sealed through one or two series-wound devices. Two end parts of the capillary high-pressure gas pipe are arranged outside the spiral head sealing components. The device is connected with the simulation testing equipment and the high-pressure gas refrigerating device through the jacket nuts. When the jacket nuts are fastened by virtue of an external pressure in a use state, the spiral head sealing components are deformed so as to surround and seal the outer wall of the capillary high-pressure gas pipe. According to the mechanical sealing type high-pressure capillary gas circuit device, the capillary high-pressure gas pipe can be rapidly and safely mounted; and the device is good in sealing property and flexibility and is particularly suitable for being used in a narrow space and repeatedly detached.

The invention relates to a connecting rod bushing interference assembling method. The method comprises the steps of placing a copper-base alloy bushing in the hot forging process, wherein the outer circular surface of the bushing is unnecessary to fine finish before the forging, and a small-end pore of an iron-base alloy connecting rod is well bonded with a joint surface of the bushing after the forging; primarily connecting the bushing with the small-end pore of the connecting rod in an expansion manner by utilizing an expansion tool, so that not only can the clearance formed in the cooling process of a forged piece be eliminated, but also the interference assembling can be realized, the small-end pore of the connecting rod and the outer circular surface of the bushing are not machined in the entire process, the success rate for assembling the bushing in one step can be increased, the assembling quality is reliable, the machining procedure can be reduced, the production cost can be reduced, and the production efficiency also can be improved.

The invention relates to a sample dyeing vat, in particular a rope-like dyeing vat with an ultra-low bath ratio, which belongs to the technical field of dyeing vats. It includes a vertical cylinder body, the lower part of the vertical cylinder body is provided with a first cloth groove and a second cloth groove side by side; the upper part of the vertical cylinder body is provided with a cloth lifting wheel, and the lower part of the vertical cylinder body is equipped with a first nozzle and a second nozzle ; The left and right sides of the middle of the vertical cylinder body are respectively provided with a first inlet and outlet end and a second inlet and outlet end. The invention can operate and work at the same liquor ratio as the large-scale dyeing vat, and can realize the same process flow of the small-sample vat and the large-volume production dyeing vat during fabric rope dyeing, thereby ensuring the perfect reproduction of the dyeing factory from proofing to large-scale production It can increase the one-time success rate of dyeing, thus helping dyeing factories to achieve energy saving and environmental protection.

The invention discloses a mechanical sealing type high-pressure capillary gas circuit device for connecting simulation testing equipment with a high-pressure gas refrigerating device. The device comprises a capillary high-pressure gas pipe, two jacket nuts and spiral head sealing components, wherein the two jacket nuts respectively penetrate into two ends of the capillary high-pressure gas pipe, and the spiral head sealing components are arranged in the jacket nuts and surround the outer wall of the capillary high-pressure gas pipe. The simulation testing equipment and the high-pressure gas refrigerating device are connected and sealed through one or two series-wound devices. Two end parts of the capillary high-pressure gas pipe are arranged outside the spiral head sealing components. The device is connected with the simulation testing equipment and the high-pressure gas refrigerating device through the jacket nuts. When the jacket nuts are fastened by virtue of an external pressure in a use state, the spiral head sealing components are deformed so as to surround and seal the outer wall of the capillary high-pressure gas pipe. According to the mechanical sealing type high-pressure capillary gas circuit device, the capillary high-pressure gas pipe can be rapidly and safely mounted; and the device is good in sealing property and flexibility and is particularly suitable for being used in a narrow space and repeatedly detached.

The invention discloses a downward hanging mounting method for fire control sprayers in the form of a mineral cotton plate suspended ceiling. The downward hanging mounting method comprises the following steps that after a fire control design drawing is audited and a suspended ceiling form required by an owner is defined, a mineral cotton plate suspended ceiling split image is arrayed according to the requirements of the owner, the mineral cotton plate suspended ceiling split image and a sprayer point location image are integrated and overlapped, and point locations where the sprayers make contact with a keel and point locations where the sprayers are not located at the center of a mineral cotton plate are modified accordingly under the condition of meeting the requirements of fire protection rules. According to the downward hanging mounting method, in the process of downward hanging mounting for the fire control sprayers in the form of the mineral cotton plate suspended ceiling, the problems that because professions such as fire control, installation and decoration are often constructed synchronously, cross-operation happens and finished products are damaged and collide with one another are solved, the damage and the collision of the finished products are reduced, the efficiency and the quality of construction are improved, the one-time high-quality rate is greatly improved, cost is reduced, and benefits are improved.

The invention relates to a work tip for a hot melting gutta-percha filling machine, which comprises a work tip body, and the outer surface of the front end of the work tip body is a rough surface. The working tip has the beneficial effects that when 1 / 3 root canal treatment is carried out on teeth, after the working tip body of the hot melting gutta-percha filling machine heats and pressurizes the gutta-percha tip, the redundant gutta-percha tip is pulled out from a root canal; the rough surface on the outer surface of the front end of the work tip body can increase the contact area of the work tip body and a gutta-percha point, the surface friction force of the work tip body is increased while the taper of the work tip body is kept, the gutta-percha point can be attached to the surface of the work tip body, the redundant gutta-percha point can be pulled out more easily, the operation difficulty of root canal filling is reduced, and the working efficiency is improved. The one-time success rate of root canal therapy is improved; the structure is simple and easy to realize.

The invention relates to a drill positioner for intramedullary nail fixation and a registration method thereof. The locator includes a sensor module, a drill bit fixing module, and a protective shell module matched with the drill bit fixing module. The drill bit fixing module is disc-shaped, and the center of the circle is provided with a first through hole. The front side of the drill bit fixing module is provided with a hollow conical Drill bit support unit, the protective housing module is installed on the back side of the drill bit fixing module, the center of the protective housing module is provided with a second through hole, the sensor module is installed between the drill bit fixing module and the protective housing module, and the center of the sensor module is provided with a second through hole. There are three through holes, and registration lines are also arranged on the drill bit fixing module. Compared with the prior art, the present invention can accurately realize the remote locking of the intramedullary nail based on the electromagnetic navigation system, helps the user to effectively control the drilling posture, greatly improves the one-time success rate of the distal locking, and at the same time significantly reduces the cost. time.

The invention discloses a fast-dehydrating curable and organic synthetic plugging agent compound plugging construction method. The method sequentially includes the steps of preconstruction preparation, preparation of plugging slurry, injection and squeezing of the plugging slurry, and plug sweeping after plugging. For injection and squeezing of the plugging slurry, different modes are selected to perform squeezing injection plugging according to different conditions. The method is applicable to site construction of plugging by compounding fast-dehydrating curable plugging agents and organic synthetic plugging agents, the problem that the compound plugging agent easily settles and accumulates at the bottoms of slurry forming tanks to block pipelines or jam drilling tools when used in the prior art is solved, and safety in construction is assured.

The invention discloses a using method of a plant grafting and seeding cap bag, and relates to the plant grafting technology. The scion protection is carried out by the plant grafting and seeding cap bag in a plant grafting process. The using method comprises five steps of grafting, lashing a support upright post, bagging, water-flooding and removing the bag. The using method has the characteristics that the plant grafting and seeding cap bag can humidify, keep warm, prevent wind, shield the light and prevent rain. A good small environment climate condition is created for plant grafting and seeding; generation of grafted seedling callus and coalescence of a wound are facilitated; and the survival rate and the quality of the grafted seeding can be greatly improved. The using method is simple in operation mode; a sunshade net is not needed to shade after grafting is finished; and the labor intensity and the grafting cost can be reduced.

The invention discloses a guide ground line linear splicing sleeve hydraulic anti-bending mould for a power transmission line. The mould comprises an upper mould and a lower mould, wherein the upper mould is internally provided with an upper inner liner, the lower mould is internally provided with a lower inner liner, and the lower surface of the upper inner liner and the upper surface of the lower inner liner are provided with mutually corresponding crimping grooves. The mould is characterized in that the left side and the right side of the lower mould are each connected with a bracket; the upper surface of each bracket is provided with a support groove for holding a splicing sleeve; the support grooves are coaxial with the crimping groove of the lower inner liner; the bottom surfaces of the support grooves and the bottom surface, on which the lower inner liner is installed, of the lower mould are in the same plane; the left side and the right side of the upper mould are each connected with a press rack; the lower surface of each press rack is provided with a press groove for pressing the splicing sleeve; the press groove is coaxial with the crimping groove of the upper inner liner; and the top surfaces of the press grooves and the top surface, on which the upper inner liner is installed, of the upper mould are in the same plane. By using the mould provided by the invention, the bending problem of a linear splicing sleeve during the crimping process of an aluminum pipe can be effectively solved, and the use quality and the one-step succeeding rate can be improved.