52results about How to "Guaranteed vertical accuracy" patented technology

The invention discloses a rotator for welding a box-shaped structural member, which comprises two rotating track supporting mechanisms formed by annular groove-shaped tracks and intra-annular rectangular frames, wherein pin wheels are welded on axial end surfaces of the rotating track supporting mechanisms, and two sets of symmetrical supporting roller systems are arranged at the lower ends of the rotating track supporting mechanisms; each set of the supporting roller system comprises a supporting roller seat which is fixed on a base and is articulated with a supporting roller frame, and supporting rollers are symmetrically arranged at two sides at the upper part of the supporting roller frame and are embedded into the annular groove-shaped tracks; gears which are meshed with the pin wheels are concentrically installed on the supporting rollers at different axes; each supporting roller seat is connected with two side supporting frames through a tension adjuster, the lower ends of the supporting frames are articulated with the base, and the upper ends of the supporting frames are fixedly connected with a guide roller mechanism through supporting frame seat boards; and traveling steel wheels which are embedded into a traveling track are arranged on the bottom surface of the base, and fixing devices are arranged at two sides of the base. The rotator of the invention can freely turn the welded box-shaped structural member at any time in the welding process, thereby turning a welding bead to the optimal angle for welding.

The invention discloses a sliding formwork component. The sliding formwork component comprises a sliding way, an outer template, an inner template, two side templates and a plurality of connecting fixing pieces. The sliding way is provided with a plurality of sliding grooves for installation of the outer template and the inner template. A plurality of outer stand bars are arranged at the bottom ofthe outer template. The outer stand bars are arranged on the outer side of the sliding way and can be installed and move along the sliding grooves. A plurality of inner stand bars are arranged at thebottom of the inner template. The inner stand bars are arranged on the inner side of the sliding way and can be installed and move along the sliding grooves. The side templates are arranged on the two side edges of the inner template and the two side edges of the outer template and are connected with the inner template and the outer template through the connecting fixing pieces. The invention further discloses an open caisson blade foot layer sliding formwork construction method. The method comprises the steps of field leveling, sliding way installing, steel bar bundling, template installing,concrete pouring, side template dismounting, template sliding and the like. According to the sliding formwork component and the method, the linear vertical perpendicularity after blade foot construction is finished can be ensured, and accordingly the assembling quality of upper-layer open caisson standard segments is guaranteed.

The invention relates to a pipe pile construction method, in particular to a prestressed pipe pile construction method under boulder group geological conditions. According to the method, a down-the-hole hammer drilling process is adopted for guide hole construction; during pile sinking construction, first cement mortar is poured in a pile hole, and then a static pile driver is utilized to press a pipe pile into the pile hole; during pile head fixing construction, a #-shaped fixing frame formed by connecting fasteners is utilized to fix a pile head through a steel pipe at the position of an orifice of the pile hole, a splayed steel pipe is adopted to support two ends of the #-shaped fixing frame, the lower end of the steel pipe is embedded in a soil layer; and after the cement mortar is hardened and is integrated with surrounding rock stratums and the pipe pile, prestressed pipe pile construction is finished. According to the prestressed pipe pile construction method, a hole forming speed is quick, a construction period is short, and construction cost can be reduced by over 10%; by adopting a mode of pouring the cement mortar in the guide hole, pipe pile side pressure, end bearing capacity and the position of the pile side can be guaranteed, and side-direction stress safety of the pipe pile can be guaranteed; a pile head fixing head is simple, construction is convenient, verticality of the pipe pile is guaranteed, and bearing capacity of the prestressed pipe pile is also effectively improved.

The invention relates to the technical field of moving platforms, in particular to a moving platform for OLED detecting equipment. The platform sequentially comprises a vacuum chuck, a Z-direction fine adjustment table, an XY-direction moving table and a marble pedestal from top to bottom. One side of a Y1 permanent magnet linear motor and one side of a Y2 permanent magnet linear motor are each provided with a Y-direction mechanical buffer. One side of an X permanent magnet linear motor is provided with an X-direction mechanical buffer. The Z-direction fine adjustment table comprises a Z-direction permanent magnet linear motor, a Z-direction mechanism, a Z-direction balance spring and a Z-direction carrying table. A wedge-shaped block is arranged on one side of the Z-direction carrying table, the Z-direction fine adjustment table is provided with a flexible elastic sheet, vertical-direction mechanism design is simplified, and straightness errors in the Z-axis moving process are reduced. The moving platform can guarantee the vertical accuracy of a carrying table top in the XY overall moving process, the flatness error of the carrying table in the detecting journey range needs to besmaller than 1 micron, and the moving platform has the characteristics of compactness, precision and high response.

The invention discloses an integral fixed installation method of embedded steel pipe on the roof of coal furnace foundation, which is characterized in that channel steel is used as a horizontal cross beam fixed rack and a horizontal longitudinal beam fixed rack, which are welded onto a channel steel post fixed on an embedded iron part, the lower end of the embedded pipe is positioned through a square iron sheet fixed on a multilayered plate, the upper end of the embedded pipe is positioned and elevated by the horizontal cross beam fixed rack and the horizontal longitudinal beam fixed rack via an adjustment pipe coupling, thereby guaranteeing the verticality of the embedded pipe. According to the method, the fixed installation of a plurality of embedded pipes can be completed by means of one-step alignment and adjustment, thus the method is convenient and fast and reduces labor intensity to a great extent, enhances working efficiency, achieves less manpower and lowers expenditure, in addition, the embedded pipes are so fixed and firm that the positioning thereof cannot be impacted by the implementation of other procedures, so the elevation and vertical precision of the embedded pipes are guaranteed.

The invention provides a section-steel-column support frame construction method for a super-high-rise-building frame column. The method includes the steps that 1, a support frame is made; 2, bolts arefixedly arranged on the support frame through a calibration steel sleeve plate; 3, a concrete cushion of a building structure bottom plate is poured, and embedded parts are embedded; 4, the support frame is lifted and fixed; 5, lower reinforcing steel bars of the building structure bottom plate are bound and welded to the support frame; 6, slant supports are welded to the lower portion of the support frame; 7, a first steel column is fixedly installed on the support frame; 8, positions of section steel columns are corrected, and the section steel columns are anchored and fixed; 9, upper reinforcing steel bars of the building structure bottom plate are bound, and bottom plate concrete is poured; 10, a second steel column and rear steel columns are fixedly installed. According to the section-steel-column support frame construction method for the super-high-rise-building frame column, construction is easy, convenient, safe and reliable, the construction quality is easy to control, the embedded quality of the section steel columns in a foundation bottom plate or a ground beam can be guaranteed, and three problems that in a construction method for section steel columns of a traditionalbuilding structure frame column, the anchor bolt accuracy is poor, the stability of the support structure is poor, and as key construction procedures are occupied, the construction period is influenced are effectively solved.

The invention belongs to the technical field of knife templates, and particularly relates to a continuous hole type knife template and a machining method of the continuous hole type knife template. The continuous hole type knife template comprises a first face and a second face, and is provided with an installation knife gap applicable to installation of a knife template blade. The installation knife gap is extended in the mode of a straight line or a broken line or a curve line. The installation knife gap comprises multiple continuously-arranged penetrating holes formed in the first face at least, a spacing wall portion is formed between every two adjacent penetrating holes, and the middle positions in the width direction of the installation knife gap of the spacing wall portions are provided with broken portions or thinning portions. In addition, the invention further provides a machining method of the continuous hole type knife template. The machining method has the advantages thata die cutter blade fixing effect of the knife template is good, the installation knife gap is easy to machine, the manufacturing difficulty is small, and the machining efficiency is high.

The invention relates to a radial verticality detection platform for detecting the radial verticality of a single-wafer rod in photovoltaic industry. The radial verticality detection platform comprises a bottom plate, (10), a dial (11), a pillar (2) with a calibrated scale (2-1), a depth measuring scale (7) and an indexing table (8), wherein the lower end of the pillar (2) is provided with a base (1); the base (1) is fixed on the bottom plate (10); the dial (11) is rotatably supported on the bottom plate (10); the depth measuring scale (7) and the indexing table (8) are movably arranged on the pillar (2); and the depth measuring scale (7) is arranged below the indexing table (8). The invention not only ensures the vertical precision of the single-wafer rod but also ensures the accuracy of alignment of the single-wafer rod and does not need to detect circular runout for the second time.

The invention relates to a two-wheel-driven bidirectional heavy-pipe deep stirring ground wall connecting machine for building an anti-seepage underground continuous wall in the field of engineering drillers. The two-wheel-driven bidirectional heavy-pipe deep stirring ground wall connecting machine comprises drill rods, wherein an elevating table is arranged on the tops of the drill rods; the drill rods include hollow inner drill rods and hollow outer drill rods which are arranged concentrically and can rotate towards each other; the inner drill rods and the outer drill rods are rotationally connected below the elevating table; the elevating table is provided with a top driving mechanism for driving the inner drill rods to rotate; the elevating table is suspended on a supporting machine through a steel wire rope; the middle parts of the outer drill rods are provided with a middle driving mechanism for driving the outer drill rods to rotate; the inner drill rods extend out of the lower ends of the outer drill rods; the peripheries of the extension ends of the inner drill rods are provided with lower stirring blades; and the lower ends of the outer drill rods are provided with upper stirring blades rotating opposite to the lower stirring blades. According to the two-wheel-driven bidirectional heavy-pipe deep stirring ground wall connecting machine, stirring uniformity, a good anti-seepage effect and high production efficiency are realized, and cement grout is effectively prevented from spilling over along the drill rods.

The invention provides a rotatable milling blade for sidewall machining. The milling blade comprises an upper top surface, a lower bottom surface, two end surfaces connected with the upper top surfaceand the lower bottom surface, and an approximately cuboid blade main body defined by two side surfaces; the upper top surface and the two side surfaces extent at respective curvatures and intersect,and a first main cutting edge and a second main cutting edge are formed; the first main cutting edge is fitted on a first cutting rotating cylindrical surface with the diameter being D and orderly extends on the first cutting rotating cylindrical surface; and the second main cutting edge is fitted on a second cutting rotating cylindrical surface with the diameter being d and extends orderly on thesecond cutting rotating cylindrical surface. The vertical precision and the surface smoothness of a machined side surface at different cutting depths can be met, the cutting quality of the side surface is improved, and the cutting efficiency is improved.

The invention discloses a method for processing a large-diameter figure-eight-shaped hole series. The hole series comprises a first hole and a second hole which are crossed in parallel to form a figure-eight shape and are cut by a boring tool in a vertical boring way, and the range of a cutting edge angle Alpha of the boring tool is not less than 72 DEG and not more than 90 DEG; and the method comprises the steps as follows: 1), placing workpieces onto a vertical boring worktable and enabling the front end surfaces of the workpieces to face up, and enabling the shaft lines of the first hole and the second hole to be in the perpendicular direction and parallel to a vertical boring spindle; 2), aligning the shaft center of the first hole by a dial indicator and enabling the front end surfaces of the workpieces to be perpendicular to the vertical boring spindle, clamping and fixing the workpieces; 3), carrying out pre-boring, semi-fine boring and fine boring on the first hole in sequence, and blowing away cuttings by compressed air; 4), aligning the shaft center of the second hole on the basis of the shaft center of the first hole; 5), carrying out pre-boring, semi-fine boring and fine boring on the second hole in sequence, and blowing away the cuttings by the compressed air; and 6), deburring, chamfering, and finishing the workpieces. According to the method, the processing precision and the working efficiency are improved; and the method is suitable for cutting the large-diameter figure-eight-shaped hole series in large rotary screw rods or other large workpieces.

The invention relates to a hydraulic vertical insertion machine. The hydraulic vertical insertion machine comprises a seat body and a first hydraulic vertical insertion device arranged on the seat body, and is characterized in that the seat body is provided with a platform on which a second hydraulic vertical insertion device is arranged; the first hydraulic vertical insertion device and the second hydraulic vertical insertion device are sequentially arranged along the axial direction of the seat body; the first hydraulic vertical insertion device is arranged below the second hydraulic vertical insertion device; and the first hydraulic vertical insertion device and the second hydraulic vertical insertion device can independently or synchronously rotate 360 degrees to regulate the verticality of a steel pipe column. The hydraulic vertical insertion machine can effectively control the up-floating of the steel pipe column and ensure the vertical precision of inserting the steel pipe column. Compared with the conventional reversed construction method, the invention has the advantages of short construction period, saved energy resources and saved cost investment. The invention discloses the hydraulic vertical insertion machine and a method for connecting a foundation pile and a steel pipe column.

The invention discloses an installation method of a special anchor rod for pre-installing a temporary wall-hanging air and water pipeline during shaft construction. The installation method comprises the following steps: (1) welding a combined anchor rod seat on the ground and screwing an anchor rod seat fixing sleeve in the combined anchor rod seat; (2) aligning and positioning a shaft metal template vertical mould; (3) trepanning a metal template; (4) putting the combined anchor rod seat through the holes formed in the metal template; (5) casting concrete on the metal template; (6) screwing out the anchor rod seat fixing sleeve from the combined anchor rod seat after cast shaft concrete is solidified; (7) demolding the metal template; (8) screwing an anchor rod seat suspension beam in the combined anchor rod seat.

The invention discloses a welding method and structure for a motor end ring and conducting bars. The welding structure comprises the end ring and the conducting bars. The welding structure is characterized in that grooves which are in one-to-one correspondence to the conducting bars are processed in the end surface of the end ring according to the dimensions of the end parts of the conducting bars, wherein the conducting bars and the grooves are correspondingly welded on the end ring. The welding structure reduces area of grooves in the end ring, and welding flux is limited in a single grooveduring welding, so that melting and curing of the welding flux in a welding process are guaranteed to be always limited in single groove, dosage of sliver brazing filler metal and soldering flux can be effectively reduced, welding cost is reduced, the conducting bars are guaranteed to be uniformly spaced and distributed in the peripheral direction of the end ring, the welding positions of the conducting bars are positioned simply and clearly, distance regulating does not need to be manually performed, welding operation difficulty is effectively reduced, and welding efficiency and welding quality for the end ring and the conducting bars is improved.

The invention relates to a high precision imager, comprising a machine head; the machine head comprises a fixed plate, a screw rod frame and a Z-axis sliding plate, wherein the two ends of the screw rod frame are fixed on the fixed plate; the screw rod frame drives the Z-axis sliding plate to make vertical movement by means of a soft connecting mechanism. The high precision imager has the beneficial effects that the soft connecting mechanism comprises a fixed block, a steel wire rope and a connecting block; the connecting block is in non-contact with the Z-axis sliding plate; when the screw rod frame is deformed, the copper wire rope can absorb the deformation so as to prevent the deformation from being transmitted to the Z-axis sliding plate, so that the Z-axis sliding plate is enabled tobe closer to vertical, and the vertical accuracy of the Z-axis sliding plate is guaranteed. Due to the arrangement of three sliding blocks, only one connection surface is enabled to exist between theZ-axis sliding plate and the fixed plate, and the vertical precision of the Z-axis sliding plate is better guaranteed.

The invention discloses a pneumatic device for detecting coaxiality of an inner hole and is aimed at providing a pneumatic clamp detection device with easy operation, rapid clamping, small detection error and flexible adjustment. The invention is realized through the following technical scheme: a clamping plate clamping up a to-be-measured workpiece communicates with trisected radial vents of an air inlet channel, and the front segment rectangular rod body of a pneumatic spring push rod is fixedly connected to an equant arc clamping jaw through a shaft end of a radial hole of the same segmentin each radial vent; air flow passes through trisected circumferential holes at the bottom of the clamping plate to communicate with the radial vents, the air flow pushes the pneumatic spring push rodto move toward the axis of a clamping hole, and the equant arc clamping jaw fixedly connected to the shaft end of the pneumatic spring push rod is pushed to center to press the to-be-measured workpiece; and a scale rod measuring head of a numeric scale falls into an inner hole of the to-be-measured workpiece, contacts with a containment area of the hole wall of the inner hole of the to-be-measured workpiece within a detected length, measures each part needing the coaxiality of the to-be-measured workpiece, determines a maximum runout and a minimum runout, and obtains the coaxiality of the to-be-measured workpiece.

The invention discloses a prefabricated laminated slab suitable for laying a floor heating pipeline and a preparation process. According to the prefabricated laminated slab, stirrup reinforcing steelbars are adopted to replace pins, the stirrup reinforcing steel bars and reinforcing steel bars in the prefabricated laminated slab are laid, bound and fixed at the same time, and truss bars in the prefabricated laminated slab are canceled, so that the steel bar laying and binding time in the prefabricated laminated slab is effectively shortened, and the production and machining efficiency of theprefabricated laminated slab is remarkably improved compared with a plug pin manner; the truss ribs are cancelled, so that the production cost of the prefabricated laminated slab is reduced; the stirrup reinforcing steel bars are higher in strength, so that the stirrup reinforcing steel bars are prevented from being broken during on-site assembly construction; the stirrup reinforcing steel bars are simple and reasonable in structural design and can be conveniently bound and fixed to the reinforcing steel bars in the prefabricated laminated slab, and the vertical precision of the upper end of an n-shaped rod is guaranteed; the prefabricated laminated slab is simple and reasonable in structural design, high in preparation implementation feasibility and high in economic practicability, and has potential application and popularization prospects; and the preparation process of the prefabricated laminated slab is simple to operate, and the production and processing efficiency of the prefabricated laminated slab is ensured.

The invention discloses a dynamic simulation test method for small power compressor motor stator iron core verticality. The method comprises steps: a) a forming stator is locked on a mounting plane of a cylinder seat at 15 to 22N.m before the test, the central aperture of the stator iron core is set to be Dmm, and the rotor diameter is 0.8 to 1.0mm smaller than the aperture; b) the test is carried out on a special simulation tester, four clamping claws are opened, a to-be-tested stator is sleeved on a simulation rotor, the bottom end surface of the stator iron core touches the horizontal top surface of a mold seat, the central aperture of the stator iron core is also Dmm, and the diameter of the simulation rotor is 0.3 to 0.4mm smaller than the aperture; c) the clamping claws are closed, and the stator iron core top end surface is touched; d) a hydraulic adjustable tension mechanism is opened, a piston, a tension connection rod and a pulling plate are pushed to move downwardly until the clamping claws uniformly apply a 15 to 22N.m pre-tightening force on the stator iron core when the piston moves for 15 to 23mm; and e) the simulation rotor is rotated to test the dynamic air gap between the to-be-tested stator and the simulation rotor. The method of the invention realizes the test is carried out when the stator is pre-tightened and the simulation rotor tries to rotate, and the work efficiency is high.

The invention provides a cross slip ring, a scroll compressor with the cross slip ring, an air conditioner with the scroll compressor, and a heat pump water heater with the scroll compressor. The cross slip ring comprises a first annular pedestal and a second annular pedestal, the first annular pedestal is detachably combined with the second annular pedestal, the first annular pedestal is provided with a first key and a second key opposite to the first key, and the second annular pedestal is provided with a third key and a fourth key opposite to the third key. The cross slip ring is divided into a plurality of detachable portions in order to simplify processing, so the vertical precision of two pairs of keys of the cross slip ring is guaranteed, and the miniaturization and the lightening of the cross slip ring are realized.