37results about How to "Simplify the drilling process" patented technology

A hydraulic unit for slip-controlled braking systems has a plurality of receiving holes for transport devices associated with a plurality of hydraulic circuits bundled into groups, wherein the receiving holes are disposed at a distance from each in parallel with the upper side and a drive shaft having eccentrics located at the plane spacing for driving the transport devices. In order to provide a compromise optimized for manufacturing a small, convenient hydraulic unit, it is proposed that three theoretical planes (E1, E2, E3) are arranged in parallel to the upper side, each receiving two V-shaped receiving holes for transport devices disposed at an angle to each other, and that the drive shaft includes three separate eccentrics for driving the transport devices.

Set of dental drills having two or more dental drills (10, 10′), each of dental drills (10, 10′) having a cutting portion (20, 20′) that has an end-face drilling end (22, 22′) and a shank portion (30, 30′) that has a receiving region (32, 32′) intended to be received in a drill holding device. The shank portions (30, 30′) of the dental drills each have a substantially circular-cylindrical guide region (40, 40′) for guiding the dental drills, the guide regions (40, 40′) of the two or more dental drills being of the same diameter.

The invention discloses drilling equipment for electronic device machining, and relates to drilling equipment. A machining bottom plate is included. A first rotation rod is rotationally connected to the left side of the machining bottom plate in a front-back symmetry manner. An equal-length second rotation rod is hinged to the middle portion of the first rotation rod. The lower end of the second rotation rod is rotationally with a first limiting sliding rod. A first limiting sliding groove is formed in the right side of the lower portion of the machining bottom plate and is in sliding connection with the first limiting sliding rod. A top plate is rotationally connected to the top of the second rotation rod. A second limiting sliding groove is formed in the right side of the top plate. Thetop of the first rotation rod is rotationally connected with a second limiting sliding rod which is in sliding connection with the second limiting sliding groove. The drilling equipment is simple in structure and convenient to use; during usage, the drilling process can be simplified, drilling can be conducted without accurate manual device positioning; the device drives a drill bit to descend fordrilling through downward pressing of the top plate, an electronic device is accurately positioned in the top plate descending process, and the drilling efficiency is effectively improved.

The invention discloses an oil drill rod with a built-in oil pipes. The oil drill rod with the built-in oil pipes is characterized by comprising a drill rod (1) and oil pipes (2); the body of the drill rod (1) consists of a main rod (1.1) in the middle, and a male connector (1.2) and a female connector (1.3) at the two ends of the drill rod (1), wherein the oil pipes (2) are placed in the drill rod (1); a plurality of spring centralizers (3) are arranged on the outer parts of the intermediate sections of the oil pipes (2) in a sleeving manner; a block-shaped centralizer (4) is arranged at each of the positions, close to the two ends, of the oil pipes (2); when two oil drill rods are connected, the drill rods (1) are in threaded connection and matching with each other through the male connector (1.2) and the female connector (1.3); the oil pipes (2) are buckled and matched with each other through clamping springs (5). According to the oil drill rod with the built-in oil pipes, the oil pipes are fixed to the interior of the drill rod; the drill rod is only required to be drilled into a seabed without performing the processes of unplugging the drill rod, arranging a support, and inserting the oil pipes when oil is drilled, so that an oil drilling process is simplified; the oil drilling efficiency is improved; the offshore oil drilling cost is saved.

The invention discloses a full-section hydraulic blasting demolition method of an urban viaduct, comprising: adding a built-in reserved hole design and a groove design; using the vertical pre-buried pipes of the bridge columns, beams and plates to make a matching template and fix it on the The reinforced skeleton of the bridge is formed by pouring concrete at one time; the built-in large pre-buried holes are used for drainage, and the three pre-buried small holes are used to arrange lighting, communication lines, and traffic monitoring cables; the three pre-buried small holes of each pier of the viaduct are dismantled and arranged in the three pre-buried small holes The cables are used as compensation holes; high-precision delayed detonators are used for charging, networking, protection, and detonation to control the detonation sequence of the blasting points of each pier and the hydraulic blasting points of the box girder; The beam was split into three parts and collapsed. The invention reduces the blasting and demolition drilling construction process, reduces the drilling cost, reduces the harmful effects such as noise and dust, and has high environmental protection, short construction period and low cost.

The present invention relates to the technical field of preparation of acoustic wave resonators, in particular to a preparation method of a single crystal film bulk acoustic resonator and a bulk acoustic wave resonator; the purpose of the present invention is to adopt a preparation method of a single crystal film cavity type bulk acoustic wave resonator , that is, by preparing the lower surface of the single crystal thin film layer on the lower surface of the single crystal thin film layer to cover the entire lower surface of the single crystal thin film layer. Cracks in the thin film layer cause the single crystal thin film to warp, sag or even break, which affects the technical problem of the overall performance of the cavity-type bulk acoustic wave resonator.

The invention relates to an external thermal insulation material and a preparation method thereof. Specifically, the external thermal insulation material comprises a first faceplate layer, a second faceplate layer and a core aerogel layer, wherein the core aerogel layer is positioned between the first faceplate layer and the second faceplate layer; the first faceplate layer and the second faceplate layer are made of a fiber preform compounded with an aerogel precursor and a ceramic precursor; the core aerogel layer is mainly made of a fiber matrix compounded with an aerogel precursor; fiber surfaces of the fiber preform and the fiber matrix are subjected to interface coating treatment. By adopting the material, the problem of interface coating treatment on a high strain coordination ceramic faceplate can be solved, the temperature resistance grade and the deformation coordination property of a heat-proof and thermal insulating material can be improved, and the material has advantages of high temperature resistance and high strain coordination properties, so that components of relatively large sizes can be designed, and the application range of the material can be widened.

The invention discloses a method for drilling and completion of a horizontal branched well for coal bed gas. The method comprises the following steps: step 1: drilling a first-opening surface layer section, a second-opening straight well section and an incline angle buildup section of the horizontal branched well by adopting a conventional drilling tool combination, and after finishing drilling, arranging casing pipes so as to fix the well; step 2: drilling a third-opening coal bed horizontal section by adopting a casing pipe well drilling tool combination until a designed well depth is reached, and pulling out a directional drilling tool combination at the bottom of the well from the casing pipe with a steel wire fishing device; and step 3: adopting a radial lateral well drilling tool with a super-short radius so as to mill the casing pipe and drill the branched well in a coal bed. According to the method disclosed by the invention, pumping termination time can be shortened during drilling a main well hole of the coal bed, the coal bed can be effectively supported, the swabbing effect of well drilling is avoided, and accidents of collapse of a horizontal well and burying of the drilling tools are reduced; a well drilling technology of the branched well is greatly simplified, the well drilling risk of the branched well is reduced, the operation period is shortened, and the cost of drilling the branched well for the coal bed gas is reduced.

The invention relates to a drilling rod applicable to small-well-hole and large-displacement well drilling. The drilling rod does not need to be subjected to procedures of pulling out the drilling rod, piling a support and inserting an oil pipe, a petroleum drilling process is simplified, the petroleum drilling efficiency is improved and the cost is saved; meanwhile, a secondary shoulder is additionally arranged at an engaged part of a male buckle small end and a female buckle large end; the secondary shoulder and a main shoulder form a double-shoulder structure; a main shoulder face and a thread section have certain interference fit and the secondary shoulder just has a certain auxiliary upper buckle positioning function, so that the interference fit between the main shoulder face and the thread section is accurately realized; and furthermore, the secondary shoulder can also bear one part of load at a working state and has certain overload protection effect, and the anti-torque strength of the drilling rod can also be improved and the safety of the drilling rod is guaranteed.

The invention provides a pipe fitting drilling machine comprising a machine body, an indexing spindle box disposed at a front end of the machine body to clamp a workpiece, a longitudinal drive system, a carriage disposed above the machine body and capable of sliding along a carriage moving guide rail with a transverse moving guide rail disposed at an upper portion of the carriage, a slide carriage frame located below the carriage and fixedly connected to the carriage, a longitudinal nut in screwing fit with a longitudinal lead screw to form a longitudinal lead screw pair together, a slide plate disposed above the carriage and capable of sliding along the transverse moving guiding rail, a transverse lead screw fixed to the carriage, a transverse nut fixed to the slide plate and in screwing fit with the transverse lead screw to form a transverse lead screw pair together, a transverse servomotor fixed to the carriage and having an output shaft fixedly connected to the transverse lead screw, a drill rod case fixed to the slide plate and used for drilling a pipe fitting, a tailstock assembly disposed at a rear end of the machine body to press against a workpiece, and a workpiece clamping device disposed above the carriage to clamp a workpiece during drilling.

The invention discloses a display device and an electronic device, comprising a display component, having a first display area and a second display area, the first display area is around the second display area, and the second display area The pixel density is less than the pixel density of the first display area, the plurality of first sub-pixels in the first display area are configured as a red, green, blue and green array, and the plurality of second sub-pixels in the second display area The pixels are configured as a red, green and blue array; and a camera component is arranged on one side of the display component at a position corresponding to the second display area. Therefore, the problems of panel opening and complicated assembly in the prior art can be solved.