12results about How to "Improve hole quality" patented technology

The present application relates to complex stratum pile foundation construction technology field, disclose a kind of riprapping stratum full casing rotary and rotary drilling combined hole construction method, comprising the following steps: leveling construction ground;Pile position lofting is carried out, and guiding positioning structure is set;First section casing with grouting passage is installed on full casing rotary drilling machine, grouting passage is used for grouting;Through full casing rotary drilling machine clamping casing, drive casing press into riprapping stratum, while rotary drilling carries out soil taking;Slurry is injected by grouting passage, and riprapping body outside casing is consolidated to form annular consolidated body;The elevation difference between the soil taking surface of rotary drilling and the bottom end of casing is controlled to be within the preset range, and the following protection wall is formed;Lengthen next section casing, and connect adjacent grouting passage;Until casing penetrates riprapping layer and main sand layer and enters lower stable layer.The present application can solve the problems of difficult riprapping stratum hole forming, easy hole collapse, easy grouting leakage and easy drill sticking.

The utility model discloses a biodegradable film punching and collecting device, which comprises a punching unit, which comprises a rotating shaft, a punching wheel rotatably arranged on the rotating shaft, an armrest frame arranged between the two ends of the rotating shaft, and punchers arranged on the punching wheel at intervals along the circumferential direction, and each puncher is provided with a film breaking opening; the film collecting unit comprises an air nozzle installed in the film breaking opening, an air pump installed on the punching wheel, an air pipe connected with the air pump and the air nozzle and a film collecting box installed on the lower middle portion of the rear side of the punching wheel, and a film collecting opening is formed in the side, facing the punching wheel, of the film collecting box. Through the arranged film collecting unit, when a tapper rotating to the bottom breaks a film, an air pump sucks air, so that broken residual films are sucked into a film breaking opening, when the tapper rotating to the bottom rotates to a film collecting box, the air pump blows air, so that the residual films in the film breaking opening are blown into the film collecting box to be stored, the situation that the residual films are difficult to collect is avoided, and the aesthetic feeling is improved; and the recycling of resources is realized.

The utility model belongs to toughened glass processing technical field, concretely relates to a kind of laser hole cutting equipment for toughened glass, the laser hole cutting equipment for toughened glass, including bottom plate, the upper surface of bottom plate is fixedly connected with first U-shaped plate, the front and back sides of first U-shaped plate inner wall are all fixedly connected with cross pipe, the bottom of cross pipe is fixedly connected with distributing pipe, the bottom end of distributing pipe is fixedly connected with spray head. The laser hole cutting equipment for toughened glass is cooperated by first U-shaped plate, cross pipe, distributing pipe, spray head, first partition, water storage box, submersible pump and connecting pipe, after the glass on belt conveyor passes below spray head, the water sprayed by spray head, glass surface can be covered with a layer of water film, at this time, the diffusion of glass dust generated during cutting can be inhibited by water film, to prevent dust from adhering to laser head or focusing mirror of laser cutting device, ensure laser transmission efficiency and focusing accuracy, improve hole cutting quality.

The invention relates to the technical field of pile foundation engineering construction, and discloses a novel cast-in-situ bored pile soil slurry separation slurry circulating system, a bored pile slurry return box is arranged above a bored pile steel casing, and a new slurry transition storage detection pool and a waste slurry outlet are arranged in the bored pile slurry return box; the new slurry transition storage detection pool is directly communicated with a pile hole through a detachable conveying flange pipe; the multi-stage mud precipitation system is used for carrying out multi-stage precipitation treatment on waste mud, and the inlet end of the multi-stage mud precipitation system is communicated with the waste mud outlet through a waste mud reflux pump and a waste mud reflux pipe; the silt separation device is used for carrying out silt separation on the slurry subjected to multi-stage sedimentation, the silt separation device is communicated with the outlet end of the multi-stage sedimentation slurry system and is communicated with the newly-made slurry transition storage detection pool through a newly-made slurry conveying pipe, and the device is environmentally friendly, efficient in construction, controllable in slurry quality, safe, reliable and remarkable in economic benefit.

The embodiment of the invention provides a through hole forming method of a package substrate, relates to the field of semiconductor processes, and mainly solves the problems of low etching speed, low hole forming efficiency or poor hole forming process in the existing through hole process of the package substrate. The method comprises the following steps: defining a through hole position on a packaging substrate; forming a first electrode at the position of the through hole in the first surface and forming a second electrode at the position of the through hole in the second surface by adopting a mask; pre-discharging the first electrode and the second electrode to form an electric breakdown area at the position of the through hole; removing the first electrode and the second electrode; reusing the mask, forming a first mask layer on the first surface, exposing the positions of the through holes by the first mask layer, and forming a second mask layer on the second surface, exposing the positions of the through holes by the second mask layer; and through the first mask layer and the second mask layer, etching to remove the electric breakdown region at the position of the through hole so as to form the through hole. Porous batch discharge is supported, and the discharge machining efficiency is greatly improved.

The present application relates to a kind of bearing platform suitable for flat ceiling rock mass vertical drilling, the bearing platform includes the groove base being placed on fixed base, the groove being placed on groove base and the lifting platform and chuck for fixing drill rig being placed on groove.The fixed base is provided with two groups of connecting pipes, and the connecting pipe is connected with the support structure being placed in the lower part of rock mass by fastener;The top of groove is provided with end cover, and the bottom is provided with guide plate and positioning plate connected together;Lifting platform includes lifting body and rocker lever being sleeved on groove;The side of lifting body is provided with magnetic metal sheet, and the corresponding side is provided with chuck;The side of lifting body perpendicular to magnetic metal sheet is provided with connecting piece with through hole, and rocker lever is arranged in through hole;The side of groove adjacent to chuck is provided with sawtooth.The present application also discloses the use method of the bearing platform.The present application is easy to install, simple to operate, and can be used for different height, different angle anchor hole forming operation in site protection.

The auxiliary tool is characterized in that a pull rod and a positioning cone are coaxially arranged, the pull rod is connected to the small-diameter end of the positioning cone, and a supporting plate is arranged at the end, away from the positioning cone, of the pull rod; the supporting plate is adjustably arranged on the pull rod in a sliding mode and limited through the lower locking piece. The maximum diameter of the positioning cone exceeds the diameter of the sleeve, when the sleeve is positioned on the floor support plate, the pull rod penetrates through the floor support plate and an inner cavity of the sleeve, and the positioning cone and the supporting plate are arranged on the two sides of the floor support plate respectively. The sleeve and the pull rod are coaxially pressed on the floor support plate through the approach of the positioning cone and the support plate; the common quality problems of deviation, inclination, grout leakage at joints and the like of the sleeve in the concrete pouring process and the construction operation can be solved, and the problems that the use function of the sleeve is reduced, reworking and repairing are caused, the material and labor cost is increased, and the overall forming quality of a steel bar truss concrete floor is affected are solved. And the defect that the auxiliary embedded fixing device cannot be recycled is overcome.

The utility model belongs to the technical field of agricultural mechanical equipment, and provides an autorotation transplanting perforating machine which comprises a machine frame, a six-edge rod is horizontally and rotatably connected to the machine frame, and a power input piece used for driving the six-edge rod to rotate is arranged between the six-edge rod and the machine frame. The punching wheel assembly comprises a wheel shell part slidably connected to the six-edge rod, a plurality of punching drill bits are arranged on the circumferential side wall of the wheel shell part in the radial direction at equal intervals, a driving mechanism is arranged in the wheel shell part, the driving mechanism is in transmission connection with the six-edge rod, and the driving mechanism is in transmission connection with the multiple punching drill bits; the interval fixing assembly comprises fixing sleeve pieces arranged on the two sides of the wheel shell pieces and a middle rod fixedly connected to the rack, two sets of blocking strips are connected to the middle rod in a sliding mode, the two blocking strips correspond to the two wheel shell pieces respectively, and interval measuring pieces are arranged between the two blocking strips and the middle rod. According to the utility model, the punching effect can be improved, and the difficulty of line spacing adjustment operation is reduced.

This invention relates to interlocking cast-in-place pile construction technology, specifically a long spiral drilling device and construction method for interlocking cast-in-place piles. It includes a drill pipe, the upper end of which is concentrically and fixedly connected to the output shaft of a power head. A casing is concentrically and fixedly connected to the output shaft of the power head, with the drill pipe located inside the casing. The drill pipe and casing are concentric, and a spiral auger is fixed to the outer edge of the drill pipe. A hole bottom correction component is installed at the lower end of the drill pipe. In this construction method, the drill pipe and casing are spiraled in together. The casing prevents hole wall collapse during drilling, effectively forming holes in dense, fine sand strata rich in groundwater. It can correct the outer side of the hole bottom, improve the quality of the formed hole, and ensure the quality and stability of the concrete pile. Addressing the limitations of traditional mechanical equipment performance and ultra-thick gravel layers, this construction method solves the problems of hole formation and interlocking of cast-in-place concrete piles under special geological conditions.

The application relates to the technical field of geotechnical engineering and geological disaster prevention, in particular to a drilling device for a complex high and steep slope, which comprises a fixing part for fixing on a slope surface, a supporting plate installed on the surface of the fixing part, and a drilling assembly installed on the supporting plate and slidingly matched with the supporting plate, the fixing part comprises a fixing plate for fixing on the slope surface and a drilling positioning plate fixed with the fixing plate, a hollow soil discharging cavity with an opening facing the slope bottom is arranged in the drilling positioning plate, a soil cleaning assembly is arranged in the soil discharging cavity, and a transmission part is arranged in linkage between the drilling assembly and the soil cleaning assembly, so that the soil cleaning assembly discharges the soil brought out by the drilling assembly into the soil discharging cavity while the drilling assembly is lifted, and the drilling efficiency and drilling quality are improved.

The application discloses a normal state carrying advanced drilling and grouting integrated equipment and operation method of a shield machine, the equipment is carried on a segment erector, and comprises an embedded mounting base, a folding propulsion beam assembly, a folding driving mechanism, a posture adjusting mechanism and a locking and positioning mechanism, and a hydraulic and electric control system is integrated into an original system of the shield machine. The embedded base is embedded in a process blind area of the segment erector, the propulsion beam can be folded and stored without interfering with the segmenting operation, multi-hole alignment is realized by relying on the rotation and translation of the segment erector, and a rigid bearing structure with fixed ends is formed after unfolding. An adaptive drilling, blowout prevention interlocking and intelligent grouting control module is built in an electric control unit, and the adaptive drilling of a stratum, rapid blowout prevention and intelligent grouting control can be realized. The operation method comprises advanced drilling and advanced grouting processes, and the drilling and the grouting share the same hole system. The application is adapted to small-diameter shield space constraints, realizes normal state carrying of the equipment, does not need to be frequently disassembled and assembled, and improves the construction efficiency and safety performance in complex strata.

The utility model discloses a concrete pouring preformed hole formwork structure which comprises a first frame, a second frame, a third frame and a fourth frame. The second frame is of a rectangular frame structure formed by sequentially welding four angle irons end to end, and the second frame is located under the first frame; the multiple bolt holes are formed in the second frame, and fastening bolts on the external aluminum mold penetrate through the bolt holes so that the second frame can be fixed to the external aluminum mold; the tops of the four supporting steel plates are fixedly welded to the first frame, the bottoms of the four supporting steel plates are fixedly welded to the second frame, and every two adjacent supporting steel plates are fixedly welded. According to the preformed hole template, the risk of loosening or cracking around the preformed hole can be reduced, and the structural strength of the preformed hole template can be improved, so that the transverse load resistance of the preformed hole template is improved, and the hole forming quality is improved.