113results about How to "Reduce frequent replacement" patented technology

The invention relates to a combined electrotome which comprises a cutter head part, a hose part and a handle part, wherein the cutter head part comprises at least two or more than two cutter heads which can relatively move or rotate, and each cutter head is connected with a cutter rod; the hose part comprises an insulation outer tube, wherein at least one spindle made of a conductor material penetrates through the insulation outer tube, one end of the spindle is connected with the handle part which is used for controlling the spindle to move, and the other end of the spindle is connected with a cutter bar which is driven to move by the spindle; the handle part comprises a handle, wherein at least one sliding handle is arranged on the handle, the sliding handle is connected with the spindle which is driven by the sliding handle to control at least one cutter to move, so that at least one cutter or cutter bar is exposed or contained, and a cable connector which is connected with a high-frequency power source is further arranged on the sliding handle. The combined electrotome has the advantages that a doctor can select an appropriate electrotome type to safely and quickly complete an operation, so that the operation safety of a patient can be greatly guaranteed, and the pain of the patient is relieved.

The invention discloses an intelligent indoor air replacement and purifying device and method and belongs to the field of indoor and outdoor fresh air purifying devices. The indoor air replacement and purifying device is internally provided with a plurality of filters comprising the heating carbonization ceramic filter, the bilateral rotation draught fan and the conical ceramic filter; the heating carbonization ceramic filter and the conical ceramic filter are spongy micropore ceramic filters; the upper portion of the heating carbonization ceramic filter inclines towards the outer side; the periphery of the intelligent indoor air replacement and purifying device is provided with an automatic sample connection communicating with the interior of a room; the automatic sample connection is provided with a gas detector; the intelligent indoor air replacement and purifying device is internally provided with an electric current detector and further configured with an intelligent controller; the acquisition cost of an air purifying device, the consumable investment and the installation and maintenance cost can be reduced through the intelligent indoor air replacement and purifying device; the air purifying effect of the intelligent indoor air replacement and purifying device is improved; the device manufacturing cost is reduced; and intelligent operation of the air purifying device is achieved.

The invention discloses an automatic cleaning mechanism for steel wire ropes. The automatic cleaning mechanism for steel wire ropes comprises a lifting device (1) and a cleaning device (2), and the lifting device and the cleaning device are arranged independently. The lifting device is connected with the top of the cleaning device through a suspension steel wire rope (28) of the lifting device, and can drive the cleaning device to move up and down. The cleaning device comprises a cleaning cavity (7). A brush drum (8) is arranged in the cleaning cavity (7), and a target steel wire rope (11) penetrates through the brush drum. An upper nylon rotating ring (10) is arranged on the top of the brush barrel. The inner round twisting surface of the upper nylon rotating ring (10) is attached to the outer round twisting surface (30) of the target steel wire rope. A plurality of copper wire brushes (12) aligned to the target steel wire rope are arranged on the inner wall of the brush drum. Since the lifting device and the cleaning device are arranged independently, alternating current and a cleaning agent are not crossed, and safety is achieved; gaps of the target steel wire rope can be cleaned through the copper wire brushes; the suspension steel wire rope is exposed, human intervention can be carried out, the risk that the cleaning mechanism falls down when the rope breaks off is reduced, and safety is improved.

The invention provides a novel die-compounding and distributing system for producing a concrete pile, comprising a concrete pump, wherein the concrete pump is connected to a horizontal feed pipe through a connecting tube, a moving pulley for supporting is arranged at the lower part of the feed pipe, the feed pipe is inserted to the inside of a steel die of the concrete pile, the end part of the feed pipe is provided with a slipper capable of slipping on a prestressed tendon in the steel die, and the concrete pump, the moving pulley and the steel die are arranged on the same horizontal rail. The novel die-compounding and distributing system and method for producing the concrete pile have the advantages of solving the problem of the traditional production process of a distributing line, putting an end to high intensity work, and greatly saving labor force; and because the processes of firstly compounding a die and then distributing are adopted, the problem of leakage at a joint is solved, the frequency of changing auxiliary materials is reduced, and the sanitary condition is greatly improved.

The invention discloses a method for recovering the oxidation function of oxidizing furnace packing in a methane enrichment analyzer. According to the method, a mode that oxygen is automatically replenished to the oxidizing furnace in time is mainly adopted to maintain the oxidation property of an oxidant CuO in the oxidizing furnace. By adopting the method, repeated use of an oxidation (quartz) tube and packing copper oxide can be achieved simultaneously, so that the cost is reduced, and the analysis testing efficiency is improved.

The invention relates to a multipurpose fixture for a bonder worktable, which is characterized in that a fixture body is provided with a chute, in which a slide bar is inserted; a hold-down spring is sheathed into the slide bar, and a hold-down spring stopper is sheathed into the slide bar; a hold-down spring handle is sheathed into the slide bar and is tightened. According to different types and spans of components, the fixture body is provided with different first fixing grooves, second fixing grooves, third fixing grooves and fourth fixing grooves. The fixture body is provided with an adjustable locating block and a location distance regulation orifice. The fixture body is equipped with a first upper hypotenuse clamping squash and a second upper hypotenuse clamping squash. The multipurpose fixture can fix various ceramic dual-in-line package components, various leadless components and various pin grid array components with different spans; the fixture can meet the clamping and fixing requirements in packaging and bonding without component damage or lead deformation in clamping and fixing.

The invention provides a circulating heat conduction type energy-saving and environment-friendly machine room. The circulating heat conduction type energy-saving and environment-friendly machine room comprises a heat-insulation wall board room body. Equipment and an air conditioner are arranged in the heat-insulation wall board room body. A heat exchange plate used for dividing the heat-insulation wall board room body into an upper space cabin and a lower space cabin is arranged on the upper portion of the heat-insulation wall board room body, and the upper space cabin and the lower space cabin are insulated from each other. Openable shutters are installed on the two opposite side faces of the upper space cabin of the heat-insulation wall board room body correspondingly, and the upper space cabin communicates with the outside atmosphere through the openable shutters. A fan is installed on the inner side or the outer side of one openable shutter, and the fan is in linkage with the openable shutter. The circulating heat conduction type energy-saving and environment-friendly machine room has a heat insulation function and a heat dissipation function, manual or automatic switching can be conducted according to actual requirements, power consumption for operation of the air conditioner in the machine room is reduced, and energy saving and emission reduction are achieved. In addition, the principle that cold air moves downwards and hot air moves upwards is adopted, and a heat exchange layer is arranged at the top of the machine room, so that no air suction and exhaust equipment needs to be arranged in the lower space cabin, the cost is reduced, and the machine room is more environmentally friendly.

The invention discloses a machine head of a graphic paper feeding and cutting machine. The machine head comprises a cutting tool assembly and a pressure roller assembly; the cutting tool assembly comprises a cutting tool and a first driving device for driving the cutting tool to act; the machine head is characterized in that the machine tool further comprises a second driving device for driving the pressure roller assembly; and the first driving device and the second driving device are independent mutually, and thus the cutting tool assembly and the pressure roller assembly act independently.Compared with the prior art, the machine head has the advantages that the pressure roller assembly and the cutting tool assembly are independent by adopting the different driving devices for the cutting tool assembly and the pressure roller assembly, thus, the adjustable height range of pressure rollers is increased, and the pressure rollers can apply more suitable pressure to materials; and by additionally arranging a set of cutting tools, the problem of frequent replacement of two different tools in the application process is solved, and the production efficiency is improved.

The invention relates to a Hi-C high-throughput sequencing library building method suitable for watermifoil. The method includes the steps of firstly, performing formaldehyde crosslinking on a watermifoil sample to obtain a crosslinking material; secondly, performing cell lysis to release chromatin; thirdly, collecting the chromatin, and sequentially subjecting the chromatin to SDS deactivation endogenous enzyme and MboI endonuclease digestion breaking to obtain a material after digestion; fourthly, performing tail end filling to obtain tail-end-filled DNA, and performing intramolecular connection on the tail-end-filled DNA; fifthly, decrosslinking the intramolecular connection material and purifying DNA, and performing DNA breaking to form fragments beneficial to sequencing; seventhly, building a Hi-C library for high-throughput sequencing; eighthly, specifically capturing biotin marked DNA fragments, and performing amplification; ninthly, performing library quality inspection. The method has the advantages that the appropriate cell breaking method, formaldehyde crosslinking condition, endogenous enzyme deactivation condition and appropriate tool enzymes are designed according tothe special structure of watermifoil cells, the problem that the cell wall structure of the watermifoil affects a Hi-C experiment, Hi-C high-throughput sequencing library building of the watermifoil is achieved, and the application range of the Hi-C technology is expanded.

The invention provides a technical scheme of a roll allocation method and device for optimization of a roll pass system. The scheme comprises three types of rolls with the specifications of phi 610*760, phi 770*1000 and phi 860*1200, a guide mechanism used for guiding steel materials and a cooling mechanism used for cooling the steel materials. The roll allocation method and device for optimization of the roll pass system are characterized in that the three specifications of rolls are semi-steel rolls with the carbon content of 1.6%, each of the three specifications of rolls is additionally provided with a roll groove on the premise that the safety factor of roll rings is 0.6-0.9, and the section area of each roll groove is smaller than or equal to the section area of original roll grooves of the three specifications of rolls. Meanwhile, in order to adapt to the variation of the roll grooves of the rolls, the guide mechanism and the cooling mechanism are modified, the single-groove rolling amount of the rolls is largely improved, and the problems of low work efficiency and heavy workloads on technical personnel caused by frequent replacement of the rolls are avoided.

The invention discloses a urethral calibrator expander formed by a spherical probe (1), a connection rod (2) and an expansion tube (4) orderly connected from left to right. The right end of the connection rod (2) is covered with a tapered expanding device (3); the top of the tapered expanding device (3) faces the ball probe (1) and the bottom faces the expanding tube (4); the interior of the tapered expanding device (3) is in a hollow-bowl structure; the length of the tapered expanding device (3) is shorter than the connection rod (2); and the diameter of the bottom surface of the tapered expanding device (3) is greater than the diameter of a cross section of the connection rod (2). The narrow part of the urethral stricture can be effectively probed; the diameter and the length of the narrow part can be measured; relative reference information is provided for urethrostenosis surgery treatment and surgical method; meanwhile, pains of a patient and damage to the urethral stricture due to the exchange of various types of urethral calibrator expander can be reduced as possible as can; a material drawing performance for urethral stricture inflammatory excreta and stones can be met; and inspection and clinical treatment guide can be facilitated.

The invention provides a before-finished-product shared hole type and rolling device for a single-thread-rolling thread bar material and a rolling method. According to the before-finished-product shared hole type, an upper rolling groove and a lower rolling groove with the same structure are involved, the upper rolling groove comprises a groove bottom and two side walls, one end of each side wallextends to a groove opening plane of a roller seam, the other end of each side wall is connected with the groove bottom, the groove bottom is formed by connecting a first arc, a second arc and a thirdarc in sequence, the second arc protrudes towards the inner side of the groove bottom and has greater clamping force and friction force to a rolling part, and the rolling part can be effectively prevented from moving back and forth in the axis direction of a rolling roller. Before the finished products are formed, one set of same hole type including box type hole, circular hole, oval hole and circular hole extension hole type devices is adopted, and then different finished product hole types are adopted for rolling standard threaded rebars. The efficient, stable and cost-reduction rolling technology hole type sharing design is provided, frequent replacement of a rack is reduced, the labor intensity is lowered, the process halt time is shortened, and the rolling stability is improved.

The invention discloses a portable type medical urine storage device, which comprises a metering cylinder and a urine storage bucket, wherein the upper end of the metering cylinder is connected with a urine guide pipe, the urine storage bucket is arranged under the metering cylinder, and the metering cylinder is communicated with the urine storage bucket through a guide pipe. The portable type medical urine storage device has the advantage that by connecting the metering cylinder and the urine storage bucket with large capacity, urine is drained into the urine storage bucket after the urine is metered each time, or is directly stored into the urine storage bucket when the metering is not required, so the frequent replacement of a urine bag is omitted, the cost is reduced, and the environment is favorably protected.

The invention discloses a carbon dioxide deflagration pulse type pressurizing rock breaking device and process method. The device comprises a raw material storage bin and a deflagration bin arranged below the raw material storage bin, wherein one end of the deflagration bin is opened and is connected with a pressure-resistant pipeline leading to the blasting position, and an exhaust pipeline is arranged in the middle of the deflagration bin and is connected to an exhaust device; the exhaust device is connected to a high-pressure pump through a pipeline I, and the high-pressure pump is connected with the raw material storage bin through a pipeline II; a storage bin switch valve is arranged in the raw material storage bin, and the lower end part of the storage bin switch valve penetrates through a feeding channel and is located in the deflagration bin; and an impeller is arranged at the position, corresponding to the lower end part, in the deflagration bin, and an ignition device is further arranged in the deflagration bin. According to the device, a transient high-pressure high-temperature gas generated after the expansion phase change of deflagration raw materials impacts the blasting position to achieve fracturing, the safety is high, the operation is easy, and the fracturing effect is good.

The invention discloses a tool special for detaching an isolating switch double-layer sleeved elastic pin. The tool comprises a handle and a punch, wherein the punch is connected with the handle; the punch comprises an inner pin punch and an outer pin punch; the inner pin punch is connected with the outer pin punch; and both the inner pin punch and the outer pin punch are cylinders. During use, the inner pin punch is contacted with an inner pin of the isolating switch double-layer sleeved elastic pin, the inner pin punch makes the inner pin rush out under the hammering of a hammering tool, the tool is not needed to be replaced, the outer pin punch is contacted with an outer pin of the isolating switch double-layer sleeved elastic pin, and two layers of inner and outer pins rush out at one time by the hammering tool. The tool is convenient to use and reasonable in structure, avoids the inconvenience brought by the conventional detachment through two punches, reduces frequent tool replacement of the maintenance personnel, and improves the working efficiency.

The invention relates to a reamer for a rotary drilling rig. The reamer comprises a soil edge cutter (1), a dowel bar (2) and a drill bit (6). The reamer is characterized in that the soil edge cutter (1) is of an axe shape; one end of the soil edge cutter (1) is used as a soil cutting end and has the length of 10 to 20cm and the thickness of 1 to 3mm; the other end of the soil edge cutter (1) is used as a connecting end and has the length of 5 to 15cm and the thickness of 3 to 7cm; one end of the dowel bar (2) is fixedly welded with the connecting end of the soil edge cutter (1); the other end of the dowel bar (2) is provided with a plurality of pin through holes; the dowel bar (2) has the length of 20 to 30cm, the width of 4 to 8cm and the height of 4 to 8cm; a fixing device (3) is welded at the end part of the drill bit (6); and the fixing device (3) is used for fixing the dowel bar (2) by enabling pins (4) to pass through the pin through holes (5). The reamer disclosed by the invention has the advantages of simple structure, convenience in manufacturing, convenience in operation, safety, reliability, high construction efficiency and low cost.

The invention relates to a piston seal part and a machining process thereof, and belongs to the technical field of pistons. The piston seal part comprises a seal part body, an annular protruding sealstrip is arranged below the seal part body, an open groove for breaking the seal strip is arranged on the seal strip, the open groove is perpendicular to the seal strip, through the open groove, the problem that on the market, a concrete pump truck is small in feeding capacity is solved, the pumping capacity is increased, frequent replacing of a concrete piston of the concrete pump truck can be reduced, the aims of reducing cost, improving the efficiency and saving energy consumption can be achieved, a four-open mold and a three-open mold are combined with a vulcanizing machine to effectivelyremove harmful smoke in the vulcanization heating process, production efficiency is improved, and product quality is ensured.

The invention discloses a width-adjustable acid rolling device capable of eliminating residual acid. The acid rolling device comprises an upper roller and a lower roller. A raw electrode plate is reserved between the upper roller and the lower roller and penetrates through the space between the upper roller and the lower roller through rolling. The outer surface of the upper roller and the outer surface of the lower roller are each wrapped by 4-6 anti-acid roller fabrics. An acid leaching device is arranged on the upper side of the upper roller. The lower roller is composed of a cylindrical roller with axial antiskid protruding strips on the surface and a plurality of circular rings with grooves in the inner wall. The circular rings are combined into a rolling ring with the same width as the to-be-rolled raw electrode plate. The roller is sleeved with the rolling ring when the grooves are matched with the protruding strips. A plurality of concave grooves are formed in the protruding strips at intervals. The roller fabrics wrap the outer surface of the rolling ring. The residual roller fabrics at the two ends of the rolling ring are tightly bundled and tied in the concave grooves onthe protruding strips of the roller through fabric strips at the two ends. According to the width-adjustable acid rolling device, during rolling, a residual dilute sulphuric acid solution flows out of the two ends of the rolling ring without overflowing to the surface of the rolled raw electrode plate, the uniformity of the acid solution on the surface is ensured, the width of the lower roller can be adjusted, and the roller is used for multiple purposes.

The invention discloses a cutting device for ultrafine fiber fabric, and relates to the fiber fabric cutting technology field. The cutting device for the ultrafine fiber fabric aims at solving the problem that existing fixing and clamping effect is poor. The cutting device for the ultrafine fiber fabric is characterized in that a slide rail is installed at the top of the interior of a housing, a slide block is installed on the exterior of the slide rail, a drive device is installed above the slide block, an electric push rod is arranged below the slide block, a sleeve is arranged below a mounting seat, a telescopic sleeve is installed above the sleeve, a compression spring is installed between the sleeve and the telescopic sleeve, a motor is installed in the telescopic sleeve, a rotation shaft is arranged at an output end of the motor, one end of a connection rod is arranged at one end of the rotation shaft, a cutting blade is arranged at the other end of the connection rod, a cuttingtable is arranged at the bottom of the housing, fixing frames are arranged on two sides of the cutting table, a fixing plate is arranged between the fixing frames, an adjustable bolt is arranged abovethe fixing plate, and a rubber pressing plate is arranged below the fixing plate.

The invention relates to a handling method for blockage of an insertion tube. In the method, high-temperature and high-oxygen-content molten steel at the temperature of more than 1,620 DEG C and with oxygen content of more than 500ppm is produced by using a vacuum cycle degassing furnace, namely an RH (Ruhrstahl Heraeus) vacuum chamber, with a blocked insertion tube; RH refining process is controlled; and inclusions blocked at the inner wall of the insertion tube are scoured away through circular flow of the high-temperature and high-oxygen molten steel in the insertion tube. Thus, unplanned offline of the vacuum chamber and frequent replacement of the insertion tube caused by blockage of the insertion tube are reduced, the service cycle of the insertion tube is prolonged, the consumptionof a refractory material is reduced, the production cost is reduced, online handling of the blockage of the insertion tube of the vacuum chamber is realized, and smooth production is guaranteed.