54results about How to "Precise verticality" patented technology

A spindle motor, obtaining more accurate shaft perpendicularity and more convenient assembling process, is disclosed, the spindle motor includes: a rotor; a bearing housing into which the rotor is inserted; a base plate fixing the bearing housing; a housing guide fixed to the base plate, the housing guide having at least one vertical portion guiding an outer surface of the bearing housing; a printed circuit board mounted on the base plate; and a stator coupled to an outer surface of the bearing housing and supplied with power from the printed circuit board.

The invention belongs to the fixture field used in processing procedures of electronic products, and in particular relates to a positioning fixture for assembling a flexible printing circuit (FPC). The fixture comprises a layer of bottom plate, a layer of FPC carrier plate arranged on the bottom plate, a product positioning pin and a carrier plate positioning pin, wherein the product positioning pin and the carrier plate positioning pin vertically penetrate through the FPC carrier plate and are inserted into the bottom plate. The fixture is characterized in that a thin steel sheet is also arranged between the bottom plate and the FPC carrier plate and provided with holes so that the product positioning pin and the carrier plate positioning pin can pass through, the product positioning pin and the carrier plate positioning pin are tightly clamped by the thin steel sheet through the holes so that shaking is not generated, and the thin steel sheet is also provided with a layer of bonnet lock pressing plate used for pressing the thin steel sheet tightly. The fixture can reduce the possibility of deviation caused in the assembling process, is convenient for assembling, improves the assembling precision of the FPC and provides the accurate positioning for subsequent processing procedures of the FPC.

The invention provides a fabricated ceramic tile concrete composite board wall surface mounting system, which includes a ceramic tile concrete composite board and a composite board connection mechanism. The back face of the ceramic tile concrete composite board is fixedly connected with a plurality of pipe clamps, the pipe clamps are arc-shaped opening pipe clamps, a cavity for laying water and electricity pipelines is left between the ceramic tile concrete composite board and a wall, the composite board connection mechanism includes a vertical metal pipe body and pipe codes, the ceramic tile concrete composite board is connected to the vertical metal pipe body through the pipe clamps, and the vertical metal pipe body is a round pipe; and the vertical metal pipe body is fixed to the wall by using the multiple pipe codes. The invention further provides a fabricated ceramic tile concrete composite board wall surface mounting method. According to the fabricated ceramic tile concrete composite board wall surface mounting system and method, compared with the prior art, industrial production of fabricated decoration products can be realized, quick and high-efficiency mounting on site by assemblers is achieved, the products are suitable for houses with the small inner space, during decoration engineering, a large amount of construction waste is reduced, maintenance is convenient, the products can be disassembled and reused for mounting, and the purpose of lowering the comprehensive construction cost is finally achieved.

A supporting structure for an anti-noise barrier and relative assembly method are disclosed. The foundation and the structural post of the barrier are a single continuous piece in the shape of a sheet pile. The sheet pile has a first part and a second part of such a length that, in use, the second part is insertable on the ground to realize the foundation, while, contextually, the first part emerges from the ground upwards. The first part of the sheet pile, besides, is provided with connection means through which to be able to connect the sound-absorbent panels, and with a plate on which to lean the panels themselves in such a way that the arrangement on the ground of the foundation and of the structural post is realizable in a single phase to then proceed with the second phase of application of the panels.

The invention discloses a double-rod well drilling machine. The double-rod well drilling machine comprises a rack, a traction device arranged on the rack, a power head movably installed on the rack, drilling rods fixedly installed at the bottom of the power head, wherein the power head comprises a drilling machine head, movable sleeves fixed at two sides of the drilling machine head, a motor fixed at the top of the drilling machine head, a hanging frame, a grouting pipe and drilling rod seats fixed at the bottom of the drilling machine head. The double-rod well drilling machine is characterized in that the drilling rod seats include an outer drilling rod seat and an inner drilling rod seat fixed inside the outer drilling rod seat; the drilling rods include an outer drilling rod and an inner drilling rod arranged in the outer drilling rod; the outer diameter of the inner drilling rod is smaller than the inner diameter of the outer drilling rod; the inner drilling rod is in threaded connection with the inner drilling rod seat; and the outer drilling rod is in threaded connection with the outer drilling rod seat. The double-rod well drilling machine of the invention has the advantages of stability, reliability, easiness in assembly and disassembly and multi-purposed performance. With the double-rod well drilling machine adopted, the problem of landslide can be effectively solved, and safety production can be ensured.

The invention discloses a double-drill-pipe well sinker which comprises a rack, a traction device arranged on the rack, a power head movably arranged on the rack and drill pipes fixedly arranged at the bottom of the power head. The power head comprises a drilling machine head, movable sleeves fixed to the two sides of the drilling machine head, a motor, a hooking frame, a grout pipe and drill pipe seats fixed to the bottom of the drilling machine head, and the motor, the hooking frame and the grout pipe are fixed to the top of the drilling machine head. The double-drill-pipe well sinker is characterized in that the drill pipe seats comprise an outer drill pipe seat and an inner drill pipe seat arranged in the outer drill pipe seat, the drill pipes comprise an outer drill pipe and an inner drill pipe arranged in the outer drill pipe, and the outer diameter of the inner drill pipe is smaller than the inner diameter of the outer drill pipe; the inner drill pie is in threaded connection with the inner drill pipe seat, and the outer drill pipe is in threaded connection with the outer drill pipe seat. The double-drill-pipe well sinker is stable and reliable and convenient to dismount and mount, achieves multiple purposes, and can effectively solve collapse problems and guarantee production safety.

The invention discloses a steel-structure external wall dry hanging integrated board and an installation method, and belongs to the technical field of steel-structure external wall board hanging construction. The steel-structure external wall dry hanging integrated board comprises a prefabricated external wall hanging board and a connecting assembly matched with the prefabricated external wall hanging board, and a prefabricated beam is embedded in the prefabricated external wall hanging board. A base in the connecting assembly is fixedly installed on a steel-structure external wall column so that a connecting piece can rotate relative to the base. The angle of the connecting piece is adjusted through an angle adjustment structure so that the connecting piece can enter an installation groove through a guide part and be connected with the installation groove in a matched manner through a protrusion part, and meanwhile, a fixing effect can be achieved without damaging the external wall hanging board structure. Through a mode of fixedly installing the prefabricated external wall hanging board through matching between the connecting piece and the installation groove after rotation, thesteps of installing and detaching the prefabricated external wall hanging board can be greatly reduced, the construction efficiency can be improved, and meanwhile the phenomenon that a large number ofinstallation pieces are exposed and prone to rusting and corrosion in the prior art can be avoided.

A diagonal bracing and pulling device used for supporting of a cast-in-place concrete wall formwork is composed of a diagonal bracing and pulling rod, a lower fixing piece and an upper connecting piece. The diagonal bracing and pulling rod is provided with a middle rod body, the upper end of the middle rod body is connected with an upper nut, and an upper lead screw is assembled on the upper nut and connected with the upper connecting piece in a hinged mode; and the lower end of the middle rod body is connected with a lower nut, a lower lead screw is assembled on the lower nut and provided with a pulling hook, and a fastening nut is assembled at the lower lead screw. The lower fixing piece is provided with a U-shaped connecting ring with the forward arc-shaped end, the front portion of theU-shaped connecting ring upwarps by 45 degrees, the pulling hook is hung at the arc-shaped end of the U-shaped connecting ring in a hooked mode, and anchor bolt gaskets are arranged on the rear portion of the U-shaped connecting ring; the upper connecting piece is provided with a transverse back arris connecting piece, through pin holes are formed in two wing plates of the transverse back arris connecting piece, and lug plates are arranged on the outer side of a web plate of the transverse back arris connecting piece; and the upper lead screw is connected with the upper connecting piece through a pin shaft in a hinged mode. The diagonal bracing pulling device is simple in structure and convenient to use, and the safe and reliable performance of supporting and connecting is good.

The invention relates to the technical field of artificial intelligence, and in particular relates to a method for measuring and controlling the perpendicularity of a super high-rise building. The method comprises the steps of collecting preformed hole images of the building under different focal lengths, wherein the centers of preformed holes are located in the centers of the images; extracting the contour of each layer of preformed hole in each preformed hole image; for each preformed hole image, respectively connecting points with the same proportion on each side of the preformed hole to obtain a plurality of three-dimensional lines; calculating the relative perpendicularity of each preformed hole image according to the spacing distance of the three-dimensional lines; representing the relative perpendicularity by perpendicularity deviation and deviation direction; and for the preformed hole images of the preformed holes in the same layer under different focal lengths, screening the preformed hole images according to the reliability of the relative perpendicularity to obtain effective data, and integrating all screened relative perpendicularity to obtain absolute perpendicularity. According to the embodiment of the invention, the perpendicularity of the super high-rise building can be accurately obtained, the operation is simple and convenient, and the accuracy is high.

The invention relates to a leaf spring numerical control boring device and a special clamp, and belongs to the technical field of leaf spring machining and assembling production equipment and technology. The leaf spring numerical control boring device and the special clamp are characterized in that the special clamp comprises a clamp installation frame body, a spring eye clamping device and an archeight control device, wherein a front sliding rail and a rear sliding rail are arranged on the clamp installation frame body, the spring eye clamping device comprises a fixed clamping end and a movable clamping end, the fixed clamping end is fixedly installed at the right end of the front sliding rail, and the movable clamping end is installed at the left end of the front sliding rail and can move along the front sliding rail; and hydraulic three-jaw chucks are installed on the fixed clamping end and the movable clamping end respectively, and the hydraulic three-jaw chucks can clamp the outer peripheral wall of the spring eye. According to the leaf spring numerical control boring device and the special clamp, clamping-fixing and boring-milling operations can be carried out on the springeyes with different specifications, the production efficiency is effectively improved, and the production cost is reduced.

The invention discloses a pitched roof construction technology which comprises the following steps that (a), press polishing and surface finishing are carried out on roof concrete, and setting-out iscarried out to mount full-thread expansion bolts; (b), a waterproof additional layer is made and three coating films are smeared; (c), a thermal insulation plate is pasted, and a thermal insulation slurry layer and a DBI mortar protective layer are painted; (d), counter battens are fixed to the full-thread expansion bolts through double nuts, and roof battens are fixed to the counter battens; and(e), roofing tiles are laid. The pitched roof construction technology has the advantages that 1, pouring and surface finishing of the pitched roof concrete are easier; 2, the full-thread bolts are combined with the waterproof layer more tightly, mounting space and perpendicularity of the full-thread bolts are more accurate, and stress is more uniform; and 3, the counter battens are mounted to thefull-thread expansion bolts through the double nuts, welding on the upper portion of the roof thermal insulation layer is avoided, and mounting joints are not liable to be rusted; flatness of the counter battens can be flexibly adjusted by adjusting the double nuts, construction is more flexible, and construction quality is higher.

The invention provides a fabricated concrete overhead ground mounting structure. According to the mounting structure, a leveling layer is firstly arranged and comprises a plurality of supporting mechanisms, each supporting mechanism comprises footings, a supporting column and a positioning sleeve, the multiple footings are fixedly arranged on the ground, each footing comprises a foundation pillarand a balance plate, the balance plates are fixedly arranged on the foundation pillars, the bottoms of the foundation pillars and the bottoms of the balance plates abut against the ground, the bottomsof the supporting columns are fixedly arranged on the foundation pillars, the top ends of the supporting columns are fixedly sleeved with the positioning sleeves, a plurality of positioning grooves are formed in the lower surface of a concrete plate, the positions of the multiple positioning grooves correspond to the positions of the multiple supporting mechanisms, and the positioning sleeves aredetachably positioned in the positioning grooves. The invention also provides a fabricated concrete overhead ground mounting method. Compared with the prior art, the fabricated concrete overhead ground mounting structure and mounting method have the advantages that industrial production of fabricated decoration products can be realized, an assembler performs installation quickly and efficiently on site, meanwhile, the prefabricated leveling layer and the concrete plate can greatly improve the smoothness of the concrete plate, and later decoration operation is facilitated.

The invention provides a micro-fluidic chip cutting and perforating device which comprises a main body, wherein the main body comprises an objective table, and a cutting device and an imaging device that are arranged on the objective table; a tray is arranged on the objective table; the cutting device comprises a housing; the housing is internally provided with a gear shaft, a rack engaged with the gear shaft, a drilling and cutting component fixed on the rack, a slide block fixed on the drilling and cutting component, and a slide rail corresponding to the slide block; the imaging device comprises an image acquisition lens over against the tray, and a display host machine; the display host machine is used for displaying image information acquired by the image acquisition lens; and the image acquisition lens comprises a microscope lens and a camera lens. With the adoption of a precise gear pair mechanical transmission and coaxial imaging system, the perforating device that is high in verticality and accurate in positioning can be manufactured easily, quickly and precisely.

The invention provides an off-line assembling device for foundation bolts. The off-line assembling device comprises a fixing part, a positioning part and an adjustable part. The positioning part is inlaid in the fixing part and is located above the adjustable part. A plurality of sets of first through holes are formed in the positioning part. The foundation bolts penetrate through the first through holes and are vertically arranged. The positioning part is perpendicular to the fixing part and parallel to the adjustable part. The adjustable part is perpendicular to the longitudinal axis of thefixing part, is detachably connected with the fixing part, and horizontally penetrates through the fixing part and the adjustable part in sequence. The invention further provides an adjustment methodof the off-line assembling device for the foundation bolts. The off-line assembling device is simple in structure, off-line assembly of the bolts is achieved before installation, and all the foundation bolts are tied through steel bars after being fixed and installed, so that re-working is avoided, labor investment and steel bar waste are reduced, and the deviation caused by impacts of cement to the foundation bolts in the pouring process is minimized.

The invention provides a drilling verticality monitoring and deviation rectifying method along with a drilling process, and relates to the field of auxiliary devices and methods for drilling cast-in-place pile construction. The drilling verticality monitoring and deviation rectifying method along with the drilling process comprises the following steps that S1, a drilling machine is in place, and after the drilling position is confirmed, the drilling machine is moved to a construction position; and S2, a verticality monitoring system and a drill bit deviation rectifying system are installed, firstly, a verticality inductor is placed in a drill bit of the drilling machine and fixed, three positioning emission receivers are arranged on the ground around a hole to be drilled, the three positioning emission receivers are connected with a computer terminal through cables, and the drill bit is provided with a hydraulic deviation rectifying device. According to the method, the verticality of the inner wall of the drilled hole can be monitored in real time, the drilling direction of the drill bit can be adjusted in real time according to the monitoring data, automatic deviation rectifying is realized, and the hole forming quality and the construction efficiency are guaranteed.

The invention discloses a movable ring assembly sealing device. The movable ring assembly sealing device is composed of a movable ring assembly and a shaft sleeve. The movable ring assembly is composed of a movable ring, a first steel ball, a sealing gasket, a pressing ring, a wave spring, a wave spring seat, a shaft retainer ring and a second steel ball. A shaft sleeve step is arranged at one endof the shaft sleeve. A first steel ball socket is arranged on the right side of the shaft sleeve step, a spring clamping groove is formed in the other end of the shaft sleeve, and a second steel ballsocket is arranged on the left side of the spring clamping groove. The first steel ball is arranged in the first steel ball socket. The movable ring abuts against the shaft sleeve step. The sealing gasket is pressed into an inner hole of the movable ring and pressed by the pressing ring. The wave spring abuts against the pressing ring. The second steel ball is arranged in the second steel ball socket. The wave spring seat abuts against the wave spring. The shaft retainer ring is clamped in the spring clamping groove and is integrated with the spring clamping groove. The movable ring sealing assembly is small in axial size and convenient to install, the flatness and perpendicularity of the end face of the movable ring are high, and the load around the end face is uniform.

The invention relates to a construction method for dry sticking of large wall bricks for interior decoration, and belongs to the technical field of interior decoration. The construction method for drysticking of the large wall bricks for interior decoration comprises the steps of carrying out construction preparation; arranging and positioning the wall bricks; installing anchoring nails; dry sticking the wall bricks; and carrying out levelling, wall brick seam beautifying and inspection and acceptance between the surfaces of the adjacent wall bricks. Dry sticking points are arranged on sticking positions of the wall bricks of a wall, an anchoring nail is arranged on each dry sticking point part, the installation position of each anchoring nail is consistent to the position of each dry sticking point, and dry sticking adhesives are coated on the peripheries of the anchoring nails, so that the wall, the anchoring nails, the dry sticking adhesives and the wall bricks are integrated intoa whole; the anchoring nails are arranged on the surface of a base layer of the wall, and the anchoring nails are consistent to the positions of the dry sticking points applied with the dry sticking adhesives, so that the wall bricks, the dry sticking adhesives and the anchoring nails are integrated into a whole, the defects of empty bulge and falling off of the wall bricks due to slight shrinkagebetween the base layer of the wall and the dry adhesives are made up, the anchoring nails and the base layer of the wall are firmly connected, and the dry sticking adhesives can be ensured to be firmly connected with wall base layers made of different materials.

The invention discloses a method for detecting verticality of a conical upright post. The method disclosed by the invention comprises the following steps: firstly sheathing two diameter measuring frames on the conical upright post, wherein a middle point of each side of each diameter measuring frame is contacted with the surface of the conical upright post; the sides at one side of the two diameter measuring frames are respectively connected with one end of one cross beam; secondly, marking an o1 point on an upper cross beam and an o2 point on a lower cross beam, wherein distances between the cross beams corresponding to the o1 and o2 and end parts connected with the diameter measuring frames are equal; thirdly, fixing a plumb line at one c1 point on the upper cross beam, hanging one sharp cone at the lower end of the plumb line; horizontally mounting a dial provided with circular scale lines on the lower cross beam with the circle center aligned to one c2 point, wherein the ratio of the distance between c1 and o1 to the distance between c2 and o2 is equal to the ratio of the side length of the diameter measuring frame arranged below to the side length of the diameter measuring frame arranged above; and fourthly, obtaining the verticality of the conical upright post by virtue of the circular scale line pointed by the sharp cone and the distance between the two diameter measuring frames. The method disclosed by the invention has the advantage that the verticality of the conical upright post can be accurately obtained by carrying out measurement once.

A driller retaining device able to be positioned with well horizontality and verticality includes a hollow outer sleeve having two end, one is a working end and the other being an assembly end; an inner wall of the assembly end being formed with a plurality of axial sliding tracks; an inner hollow cylinder arranged within the sleeve; two ends of the inner hollow cylinder being an machine end and an assembly end; an outer wall of the inner hollow cylinder having at least one sliding block which is arranged corresponding to the axial sliding groove. In in assembly, the inner hollow cylinder is combined to the driller; then the assembly end of the inner hollow cylinder is assembled to the assembly end of the outer sleeve; and at the same time, the sliding block of the inner hollow cylinder is assembled into the axial sliding groove of the outer sleeve.

The invention relates to a perpendicularity adjusting device for one-pile two-column construction and a using method. The perpendicularity adjusting device comprises a base, a perpendicularity adjusting disc and a perpendicularity adjusting frame, wherein the base is used for being fixed to a pile hole opening and is rectangular, an avoiding hole corresponding to a pile hole is formed in the center of the base, the perpendicularity adjusting disc is placed on the base, the perpendicularity adjusting disc is number sign-shaped and comprises a first adjusting frame and positioning frames, double steel pipe columns can penetrate through the first adjusting frame, the positioning frames are fixed to the side edges of the first adjusting frame, first adjusting bolts for adjusting the perpendicularity of the double steel pipe columns are arranged on the first adjusting frame, second adjusting bolts for adjusting the flatness of the perpendicularity adjusting disc are arranged on the positioning frames, the first adjusting frame is arranged corresponding to the avoiding hole, the perpendicularity adjusting frame comprises supporting legs fixed to the base and an adjusting frame fixed to the upper portions of the supporting legs, the adjusting frame comprises a second adjusting frame vertically corresponding to the first adjusting frame, and a third adjusting bolt used for adjusting the perpendicularity of the double-steel-pipe column is arranged on the second adjusting frame. According to the perpendicularity adjusting device, the perpendicularity adjusting precision of the double-steel-pipe column is ensured.