180results about How to "Guaranteed to stick" patented technology

The invention discloses a karst rich water tunnel water-proof and drainage construction method. By adopting the principle of "combination of prevention, drainage, interception and blockage, adaptationto local conditions and comprehensive treatment" and a water-proof method of combining water-proof with drainage is introduced to ensure the realization of project safety and quality objectives. Thekarst rich water tunnel water-proof and drainage construction method solves the problems that the difficulty of construction of a karst rich water tunnel such as an iron helmet mountain is high, the existing construction method cannot be applied well, and many potential safety hazards exist. The invention belongs to the technical field of tunnel construction.

The invention discloses a separated type prefabricated reinforced concrete cow-leg pillar and a construction method of the separated type prefabricated reinforced concrete cow-leg pillar. The separated type prefabricated reinforced concrete cow-leg pillar comprises a prefabricated pillar body and a bracket unit which can be arranged on the pillar body in a later period, wherein a bracket reinforced bar is arranged in the bracket unit, one or more bracket connecting areas is arranged on the pillar body, a pillar body preformed hole is formed in the bracket connecting area, a bracket preformed hole corresponding to the pillar body preformed hole is formed in the bracket unit, the pillar body preformed hole is communicated with the bracket preformed hole, and concrete is poured into the pillar body preformed hole and the bracket preformed hole to realize connection of the bracket unit and the pillar body. A prefabricated method is adopted to overcome the defects that the pillar body can be damaged easily when the bracket is additionally arranged by adopting the anchor bar technology, and the working efficiency is low; and the separated type prefabricated construction method is adopted to overcome the defects that the pressing resistance is high and damage can be easily caused when the fabricated pillar together with the bracket is pressed into the ground.

The invention relates to the field of tool fixtures for steam turbine blade machining, in particular to an adjustable fixture based on blade root inclined surface positioning. The fixture uses a bladeroot radial surface as a main positioning surface; a blade root tail part is positioned by adopting a positioning support plate; and a blade root molded surface is positioned by a replaceable positioning support nail mounted on a movable positioning table. The fixture comprises a fixture body, a movable upper cover, a clamping plate, the movable positioning table, an angle adjusting block, a positioning plane plate, an angle adjusting rod and the like. The movable positioning table is provided with a chute matched with the fixture body for shifting the movable positioning table up and down toadapt to different blade root thicknesses. A positioning support nail is mounted at the left end of the movable positioning table; and an angle adjusting block is mounted in an arc groove. Before clamping, the angle adjusting rod is rotated to adjust the inclined angle of the angle adjusting block; and the positioning support nail with proper length is replaced to guarantee consistency of the blade root center and the fixture revolving center after clamping. The clamping of blades is realized through buckling and pressing of a clamping plate by an upper cover. The clamping of different typesof blades is met; and the blade machining efficiency is improved.

The invention discloses a two-fabric one-membrane sliding layer tensioning device. A two-fabric one-membrane sliding layer (4) comprises a lower geotextile positioned on a bottom layer, a geomembrane positioned on an intermediate layer and an upper geotextile positioned on an upper layer. The two-fabric one-membrane sliding layer tensioning device comprises a tensioner (1) of which one end is fixed on the geomembrane and the upper geotextile while the other end is fixed on a stationary fixing device (2). In the tensioning device, the geomembrane and the geotextile are tensioned by connecting one end of the tensioning device with the geomembrane and the upper geotextile and connecting the other end of the tensioner with the stationary fixing device, so as to ensure the close adhesion of two fabrics and one membrane and effectively solves the problem of blistering of the two fabrics and the one membrane before casting concrete; and the sliding layer has the characteristics of simple structure, easy process and convenient assembly and disassembly. The invention also discloses a two-fabric one-membrane sliding layer paving method using the tensioning device.

The invention discloses a press-fitting tool for a spark plug barrel of a cylinder cover. The press-fitting tool comprises a round tubular screwing sleeve, a press rod and an end surface press sleeve; the outer periphery of the top end of the screwing sleeve is provided with a flat position screwing part adaptive to a sleeve torque spanner; a radial positioning flange adaptive to and inserted with the aperture of a bottom hole of a cylinder cover oil atomizer is arranged at the lower part of the fastening sleeve; a clamping table edge adaptive to a barrel notch is arranged at the bottom end of the screwing sleeve; the press rod has a three-stage step shaft structure and comprises a large top end press head shaft, a middle penetrating middle shaft and a small bottom end shaft; the press rod is axially glidingly arranged in the fastening sleeve in a penetrating mode by the middle penetrating middle shaft; the upper end of the end surface press sleeve is fixed at the small bottom end shaft of the press rod; the lower end surface of the end surface press sleeve is a copper sleeve inner hole step pressing surface. The press-fitting tool for the spark plug barrel of the cylinder cover is simple and reasonable in structure and can ensure that the lower end surface of a copper sleeve is attached to the step surface of the bottom hole of the oil atomizer, thus further ensuring the copper fixing quality of the copper sleeve and the water cavity sealing quality of the cylinder cover; the cylinder cover does not need to be accurately positioned, the operation is convenient and the assembly efficiency is high.

The invention discloses a preparing method for enhanced breathable insulating materials. alkali-free glass fiber and water drawing glass fiber are as raw materials, the alkali-free glass fiber and water drawing glass fiber are enabled to be mixed, meanwhile, white water is added in, achieved mixed liquor is stirred to be in a suspension dispersed state, then mixed liquor of alkali-free glass fiber and the white water is added in, and pulping is continuously to be done; formed seriflux is enabled to be transported to a multitube seriflux arranging machine through a stainless steel screw pump, the seriflux through the multitube seriflux arranging machine enters a breast box and flows naturally to a forming part to form a wet paper sheet, the wet paper sheet is enabled to be secondary formed through a press roll, then the wet paper sheet achieved through the steps is sent into a natural gas tunnel-type drying oven, and a rough blank is achieved; the dried rough blank is enabled to be parted off and rolled up according to demanded specification, and then the needed enhanced breathable insulating materials are achieved.

The invention relates to a device and a method for processing a connector of a superconducting wire contact. The device comprises a first cylindrical roller and a second cylindrical roller, wherein the axes of the first cylindrical roller and the second cylindrical roller are parallel to each other; a gap, in which a second generation high-temperature superconducting wire is arranged for filling, is arranged between the first cylindrical roller and the second cylindrical roller; the first cylindrical roller and the second cylindrical roller are controlled to rotate along opposite directions and have same linear velocities; a first surface, close to a metal base, of the second generation high-temperature superconducting wire is fixed on the first cylindrical roller; a second surface, close to a superconductive layer, of the second generation high-temperature superconducting wire is fixed on the second cylindrical roller; the radius of the second cylindrical roller is greater than the critical bending radius of the second generation high-temperature superconducting wire. The device and the method provided by the invention can be used for efficiently and reliably obtaining the connector in low cost and the obtained connector can keep excellent superconducting performance.

The invention relates to the technical field of building construction, particular to a hoisting device and hoisting method for a prefabricated panel. The hoisting device comprises a hoisting portion for hoisting the prefabricated panel and a clamp portion for fixing the position of the prefabricated panel, wherein the clamp portion is connected with the lower end of the hoisting portion and is provided with an anchor bolt arranged in the penetrating a hoisting hole that is formed in the prefabricated panel. When the prefabricated panel is hoisted by using the hoisting device, the prefabricatedpanel is placed in the clamp portion at first, the hoisting anchor bolt is inserted into the hoisting hole, and the prefabricated panel is fixed onto the hoisting device; a combination of the clamp portion and the hoisting anchor bolt replaces hoisting rings for the prefabricated panel, so safety and reliability during hoisting are improved, and usage requirements of prefabricated panels with different thicknesses and different bore diameters on the hoisting device are met; and in use of the hoisting device, presetting of hoisting rings on prefabricated panel is not needed, so materials are saved.

The invention relates to the field of medical devices, in particular to an orthopedic intramedullary ultrasonic locking nail aiming aid. The orthopedic intramedullary ultrasonic locking nail aiming aid comprises a first adjusting part and a second adjusting part, wherein the first adjusting part comprises a fixing sleeve, the fixing sleeve is provided with a semicircular arc-shaped strip hole, thefixing sleeve is internally provided with a rotating shaft, the end of the rotating shaft is connected with a first micro-rotary motor, the portion, corresponding to the semicircular arc-shaped striphole, on the rotating shaft is provided with a positioning block, the positioning block penetrates through the arc-shaped strip hole and is connected with a rotating sleeve slidably arranged at the outer side face of the fixing sleeve, the rotating sleeve is fixedly provided with a transmission rod perpendicular to the axis of the rotating shaft, the transmission rod is fixedly provided with thesecond adjusting part, the end, away from the second adjusting part, of the positioning rod is square, the square end of the positioning rod is provided with a locking nail positioning sleeve, and thelocking nail positioning sleeve is detachably connected with an ultrasonic aiming device. The orthopedic intramedullary ultrasonic locking nail aiming aid firstly performs coarse tuning and then performs fine tuning, which can achieve accurate aiming, and the operation errors can be reduced through automatic control.

The invention discloses a microstrip phase shifter, and the phase shifter comprises: a first substrate which comprises a first surface and a second surface, wherein the first surface and the second surface are opposite to each other, the first surface is provided with a metal ground layer, and the second surface is provided with a first feed line and a second feed line, which are arranged in parallel; a mobile assembly which is movably arranged on the first substrate, wherein a mobile feeder line is arranged on the mobile assembly, the mobile feeder line comprises a first feed part, a second feed part and a connecting part connected with the first feed part and the second feed part, the first feed part is movably stacked on the first feeder line, and the second feed part is movably stackedon the second feed line; and a cover shell which is detachably arranged on the first substrate, wherein the moving assembly is arranged between the cover shell and the first substrate. The microstripphase shifter has the advantages of being small in size, light in weight and low in cost.

The invention provides an automatic pipeline cleaning robot control method based on torque control. A robot comprises a spray rod, a spray nozzle connected to the spray rod and a monitoring camera arranged on the robot. The control method includes the following steps that a robot parameter configuration file is read, and the monitoring camera is started; an automatic pipeline cleaning signal is obtained; control signals for a first servo motor and a second servo motor are output to control a vertical rotating shaft of the spray rod and a horizontal rotating shaft of the spray rod to operate; whether the received return speed of the horizontal rotating shaft or the vertical rotating shaft of the spray rod is zero and continues for certain time T or not and whether a cleaning cycle is completed or not are judged; if yes, the robot moves by a preset advancing distance along a current pipeline; and whether the moved distance of the robot is larger than or equal to the set total distance or not is judged, if yes, the cleaning work is terminated, and if not, the next cleaning cycle is carried out. By the adoption of the scheme, the failure rate of a drive motor of the automatic pipeline cleaning robot in the pipeline work is lowered effectively, and meanwhile, the effect of cleaning oil stains on the pipeline is improved effectively.

The invention discloses an improved mechanical seal, a movable ring component of the improved mechanical seal comprises a movable ring (13), a fastening ring (9) which is in interference fit with a shaft (10), a rigid transmission sleeve (11) of which a tail inner hole is interference fit with the fastening ring (9), an elastic support (7) which is equipped with two ring-shaped boss (18) at left and right ends, and a spring (12) which is abutted between a movable ring seat (5) and a spring seat (8);an axial groove (4) matched with a lug (6) on external circumference surface of a head of the rigid transmission sleeve (11) is arranged on an internal circumference surface of the movable ring (13); the movable ring seat (5) and the spring seat (8) are respectively hung to the ring-shaped boss (18) at the left and right ends of the elastic support (7); step end surface of the movable ring (13) is hung to the ring-shaped boss (18) at the left end of the elastic support (7); and the tail step end surface of the rigid transmission sleeve (11) is hung to the ring-shaped boss (18) at the right end of the elastic support (7). The improved mechanical seal can not be twisted off under working state, thereby prolonging service life.

The invention discloses a stable rod with clamp, which is characterized by the following: setting limit coil on the rod; assembling clamp on the exterior of limit coil; making clamp from single-ear non-polar clamp; fitting for making industry of automobile stable rod.

The invention relates to the technical field of calculus treatment, in particular to a calculus removing apparatus for lithangiuria in urology. The calculus removing apparatus comprises a calculus removing pipe and a calculus removing head, wherein the calculus removing head is arranged at one end of the calculus removing pipe, an accommodating bag is arranged at the other end of the calculus removing pipe, a calculus falling passage is formed in the middle position of the inner part of the calculus removing pipe, and the accommodating bag communicates with the inner part of the calculus falling passage; and the calculus removing head comprises two shells which are symmetrically arranged, and expanding and contracting connecting pieces connected with the two shells, and a calculus breakingelectrode is also mounted on the inner side of each shell. According to the calculus removing apparatus disclosed by the invention, the calculus removing pipe extends into the urethra of a patient, the calculus removing head is used for breaking calculi, and the broken calculi slide into the inner part of the accommodating bag for storage along the calculus falling passage; in the calculus removing process, thread sleeves are driven by rotating shafts to move, and further through cooperation between first connecting members and second connecting members, the shells are driven to open and close, so that the calculus removing head can be suitable for calculi of different sizes, the calculus breaking electrodes are guaranteed to be closely attached to the calculi, and the calculus breaking effect can be improved.

The invention provides a natural rubber intelligent binding type tree-attaching profiling automatic rubber tapping machine and a using method, the rubber tapping machine comprises an adjustable binding fixing device, a vertical motion device, a circular motion device, a rubber tapping intelligent control module and a direct current gear motor, and the adjustable binding fixing device is used for fixing the automatic rubber tapping machine on a natural rubber tree; the rubber tapping intelligent control module controls the direct-current gear motor to drive the vertical movement device and the circular movement device to achieve spatial spiral movement of the rubber tapping blade along a natural rubber tree trunk so as to achieve rubber tapping operation of a human-simulated rubber tapping track. Through the arrangement of the vertical movement device and the circular movement device, a circular movement and vertical movement cooperative operation mode is adopted, and the rubber tapping knife can conduct spatial spiral movement of a human-simulated rubber tapping track along a natural rubber tree trunk.

The invention relates to the technical field of plastic granulating equipment, in particular to a novel plastic grain hot cutting machine head. The novel plastic grain hot cutting machine head comprises a machine head main body; one end of the machine head main body is provided with a feeding port; a neck mould is embedded in the other end of the machine head main body, and the center of the neck mould is connected with a centering shaft in a threaded mode; the exterior of the centering shaft is sleeved with chain wheels, springs and jam nuts in sequence, wherein the chain wheels are installed near the machine head main body; a blade is installed on a discharging port of the neck mould; and a heating ring is installed at the outer ring of the machine head main body. According to the novel plastic grain hot cutting machine head, the structure is simple, the design is reasonable, the operation is simple and convenient, the blade cuts off strip materials, the springs can guarantee that the blade is tightly attached to the neck mould to cut off the squeezed strip materials while the strip materials are hot, the operation is stable, the service life is long, frequent maintenance and frequent part replacing are not needed, and the use cost is lowered.

The invention provides an upper supporting roll balancing device for a rolling mill, which comprises a carrying pole beam, a balance hanging board and a guide lifting cylinder, wherein the carrying pole beam is arranged above an upper beam of the rolling mill, the balance hanging board is connected to the carrying pole beam, and the guide lifting cylinder is connected to the balance hanging board. By adopting the upper supporting roll balancing device provided by the invention, the frequency of regulating the guide lifting cylinder can be reduced, and the service life of a hydraulic cylinder is prolonged.

The invention relates to a forming manufacturing machining machine and a machining method for a low-voltage insulator. The forming manufacturing machining machine comprises a fixing table board, a mounting frame, a pushing pressing mechanism and a material placing mechanism, wherein the upper end of the fixing table board is provided with the mounting frame, the lower end of the mounting frame isprovided with the pushing pressing mechanism, the lower end of the pushing pressing mechanism is tightly attached to the upper end of the material placing mechanism, the material placing mechanism ismounted on the fixing table board, blanking openings and material placing grooves are uniformly formed in the fixing table board in the circumferential direction of the fixing table board, the blanking openings and the material placing grooves are arranged at intervals, and the blanking openings and the material placing grooves each are of a circular structure. According to the forming manufacturing machining machine, through the common cooperation of the pushing pressing mechanism and the material placing mechanism, the operation of grinding the outer surface of the hexagonal low-voltage insulator is completed; and a grinding frame matched with the shape of the low-voltage insulator is arranged on the material placing mechanism in advance, so that it is guaranteed that the grinding frameis attached to the surface of the low-voltage insulator without repeated position adjustment of the material placing mechanism before grinding, the grinding efficiency is effectively improved, and thegrinding effect is guaranteed.

The invention relates to tools for cleaning the surfaces of rolls, in particular to a scraper for sink rolls in zinc pots. The scraper for the sink rolls in the zinc pots mainly solves the technical problem that a traditional common scraper for sink rolls in zinc pots is incapable of discharging scraped zinc dross out of a 'V' area. The technical scheme includes that the scraper for the sink rolls in the zinc pots is characterized in that a scraper body is of an 'arch'-shaped cavity structure, the radian of the 'arch'-shaped structure matches with that of the roll surface of a cleaned sink roll in a zinc pot, the 'arch'-shaped structure is in sleeve connection with a scraper base through a 'V'-shaped fixing support and provided with an upper scraper blade and a lower scraper blade, dross guide holes in two rows are arranged on a recessed surface of the 'arch'-shaped cavity structure with the blades mounted thereon, and two dross filtering plates are arranged on two sides of the 'arch'-shaped structure. The scraper for the sink rolls in the zinc pots is mainly used for cleaning bonded dross on roll surfaces of the sink rolls, stabilizing rolls and the like in the zinc pots in cold-rolled hot galvanizing and hot-dipped aluminum-zinc production processes.