89results about How to "Meet the installation accuracy requirements" patented technology

The invention discloses a simple damping base of a horizontal pump. The simple damping base comprises a concrete base, a channel steel frame, a rubber damper and a water pump. A water pump mounting hole is formed in the channel steel frame, and the water pump is mounted in the water pump mounting hole. A through hole is formed in the channel steel frame, and the top of the rubber damper is fixedly mounted in the through hole. The bottom of the rubber damper is fixedly mounted on the concrete base. According to the simple steel-structure platform, the requirements of the horizontal pump for damping and mounting accuracy are satisfied. Besides, the simple damping base is simple, practical, low in cost and capable of speeding up the construction progress and saving construction cost.

The invention relates to a tool and a method for adjusting the mounting accuracy of a flexible pendulous accelerometer, and belongs to the technical field of mounting of accelerometers. Three independent gaskets are accurately combined to form a whole body, and are uniformly ground, the requirement on the mounting accuracy of the accelerometer is achieved, a plane formed by the three machined adjusting gaskets can be coplanar precisely, a base can be well adhered to a mounting surface after the accelerometer is mounted, and the factor of instability of bias items of the accelerometer due to deformation of the base is effectively prevented. The method is easy to operate and high in adjusting efficiency; and the mounting accuracy and the bias stability of the flexible accelerometer can be simultaneously guaranteed.

A three-dimensional adjustment hanger for curtain wall back-bolted stone is used for solving the problem that installation position of the curtain wall back-bolted stone is difficult to adjust, and comprises an angled support plate and a stone hanger. The three-dimensional adjustment hanger for curtain wall back-bolted stone is characterized in that the stone hanger comprises a fixing hanger, an adjusting hanger and an adjusting corner plate, the fixing hanger and the adjusting hanger are mutually fastened, one side, having elongated adjusting holes, of the angled support plate is mounted on a steel transverse frame, the fixing hanger is connected to the other side of the angled support plate, the adjusting hanger connected with stone back bolts is fixed to the adjusting corner plate, an adjusting bolt on the adjusting corner plate drives the adjusting hanger to move lengthwise, and an adjusting bolt on the lateral wall of the adjusting hanger is used for adjusting the distance between adjacent lateral walls of the adjusting hanger and the fixing hanger. The three-dimensional adjustment hanger for curtain wall back-bolted stone is reasonable in structural design, is quite convenient in manufacture, mounting and adjustment, is easy for longitudinal, vertical and transverse three-dimensional adjustment of back-bolted stone on a curtain wall support component, and contributes to absorption and adjustment of torsion deviation of the support component of the curtain wall, and accordingly mounting precision of the curtain is ensured.

The invention belongs to the field of building engineering, and particularly relates to a three-dimensional adjustable assembled light-weight batten outer wall system used for an assembled steel structure building. The three-dimensional adjustable assembled light-weight batten outer wall system is used for the assembled steel structure building, and comprises light-weight battens, sleeves, connecting screw bolts, supporting elements, tensioning elements, an outer side heat insulation decoration plate system and an inner side veneer system, wherein one sleeve is respectively arranged in a position, near the batten end part, of each of the upper and lower ends of each light-weight batten; the lower end of each light-weight batten is connected with a lower layer framework steel beam through the sleeves, the connecting screw bolts and the supporting elements; the three-dimensional adjustability of the lower end connection of the light-weight battens in the thickness, width and height directions of a wall plate is realized; the upper end of each light-weight batten is connected with an upper layer framework steel beam through the sleeves, the connecting screw bolts and the tensioning rods; and the three-dimensional adjustability of the upper end connection of the light-weight battens in the thickness, width and height directions of the wall plate is realized. The requirements on thethermal performance of the wall body in cold and severe cold areas are met; the problem of heavy object nailing and hanging on a wall body and groove formation for pipeline arrangement are solved; the three-dimensional adjustability of the wall plate installation is realized; the requirement on the installation precision of the wall plate is met; and the construction efficiency is improved.

The invention relates to an installation method of an overlength mast with a large inclination angle of a space structure, which belongs to the technical field of architectural engineering construction. The installation method comprises the following steps: mast shaping and manufacturing in subsections, field splicing, anchor point and base arranging, integral hoisting, cable rope arranging, mast inclination implementing, process monitoring, cable rope checking, fastening, and installing the overlength mast with the large inclination angle with the length being more than 40m and the inclination angle being 65 degrees on the space structure. According to the method, floor subsection splicing and integral hoisting in situ are adopted, and a cable rope is released slowly through a chain block to control the angle of the mast, so that the mast in the space structure is inclined slowly so as to be positioned accurately; the requirement of the installation accuracy of a space structure system is met; the problems of how to control the dimensional accuracy of the mast, and large deviation of the spatial position, angle and relative position of mast installation in the space structure are solved; and meanwhile, the stability and the safety of a structure stress system are ensured, the installation quality of the mast is improved, and the risk of installation construction of the overlength mast with the large inclination angle is reduced.

The invention, which belongs to the technical field of automobile electronics, discloses an automatic calibration device and method for the mounting angle of a vehicle-mounted millimeter wave blind zone monitoring radar. The automatic calibration device comprises a radar calibration control module, a radar calibration processing module and a CAN bus device. The radar calibration control module isused for setting a radar working mode and calibration parameters. The radar calibration processing module is configured to complete the processing work of radar calibration parameters and data. The CAN bus device is used for completing communication connection work between the calibration device and the radar. The radar calibration control module and the radar calibration processing module are electrically connected to the CAN bus device. According to the invention, installation requirements of the a vehicle-mounted millimeter wave radar blind zone monitoring system by different vehicle manufacturers and different vehicle models can be met in a self-adaptive manner; and the relevant calibration parameters are adjusted by the automatic calibration device; a radar installation angle calibration problem after mass-produced vehicle type radars of the whole-vehicle-factory production line is solved effectively; and the usage demand of the radar by the user is satisfied.

The invention discloses an adjustable check bar component and a using method. According to an isotropic equal-dividing principle, manufacture errors on a circumference are equally divided to positions all around. According to structural characteristics of a bearing saddle and a nut seat, a designed tool can eliminate the phenomenon that multiple holes are not coaxial due to the manufacture errors of the holes regardless of hole positioning or hole plane positioning, the axis of a check bar is consistent with that of a bearing saddle bore or a nut seat bore, and requirements on installation precision are met. A first positioning rod and a second positioning rod of the adjustable check bar component can be replaced by a first positioning rod in the other size and a second positioning rod in the other size, and bearing saddle bores or nut seat bores with different apertures can be coaxially detected. The set of the first positioning rods and the set of the second positioning rods of the adjustable check bar component can replace concentric check sleeves of various specifications. The adjustable check bar component is applicable to coaxially detecting the bearing saddle bores or nut seat bores in various sizes, and production cost is reduced. Besides, the adjustable check bar component is convenient to assemble and disassemble when used, and the phenomenon of violent operation such as forced installation and knocking is avoided.

The invention relates to an LNG transport ship rudder sleeve installation method. The method features that a rudder nacelle is hoisted integrally with a rudder sleeve, and the rudder sleeve is reduceby space restriction and is easier to hoist. Installation of positioning rudder sleeve on the ship bench eliminates positioning of the rudder centerline on the segments and avoids secondary positioning and inspection; By fixing the rudder sleeve in the rudder engine room and overlaying the groove in the rudder engine room, the workload caused by the accumulated deviation of the rudder sleeve in the rudder engine room can be reduced, the work at height can be reduced, and the construction environment can be improved. As that assembly gap between the surfacing groove and the weld seam is not more than 2mm and the joint misalignment is adjusted by the fire work industry, As that saw-tooth shape horse plate is adopted for reinforce and positioning, and the welding sequence is adopted, the welding fil amount can be reduced, the welding heat input can be reduced, the welding deformation can be reduced, the installation efficiency and the installation precision can be improved, and the machining time and the cost can be reduced.

The invention discloses a general assembly method for a rudder horn. The general assembly method specifically comprises the following steps that an intersection point O of a rudder shaft center line and a hull center line is marked on a deck; a positioning backer is arranged at a to-be-installed position of the rudder horn; a pull support and a plumb bob are arranged on the rudder horn; the rudderhorn is lifted to the to-be-installed position; the position of the rudder horn is adjusted, so that a reversed deformation gap is kept between the plumb bob tip and the intersection point O; according to a gap between a first rib plate and the rudder horn, a gap between a first longitudinal truss and the rudder horn, and a gap between a first outer plate and the rudder horn, a second rib plate,a second longitudinal truss and a second outer plate are correspondingly cut; and the second rib plate, the second longitudinal truss and the second outer plate are fixed to the rudder horn, and thenthe pull support and the positioning backer are disassembled. According to the method, accurate closing of the rudder horn can be realized, the mounting precision of the rudder horn can be improved, the installation precision requirement of the rudder horn is met, the building efficiency of a ship is improved, and the construction environment is improved.

The invention relates to a construction method and installation accuracy control method of rack systems of a high-lift rack climbing type ship lift. The four sets of rack systems can be installed by adopting the rack system construction method. According to the installation method, the installation quality and installation efficiency of the rack systems can be improved and the safety and reliability of the whole construction can be further ensured. According to the rack installation accuracy control method, the accuracy requirements in a rack installation process can be improved and the installation accuracy of racks can meet requirements.

The invention discloses an assembling tool and method for an accelerator cavity device of a free electron laser device. The tool comprises an upstream cavity adjusting support, a downstream cavity adjusting support and a rotating adjusting support. The method includes the steps that the upstream cavity adjusting support and the downstream cavity adjusting support can be used for conducting rough adjustment on section cavities of the accelerator cavity device in the X direction, the Y direction and the Z direction and conducting fine adjustment on the section cavities in the Y direction and theZ direction, and therefore the section cavities can meet the requirement for installation precision in the horizontal direction and the height direction. The rotating fine adjusting support is used for adjusting the angle positions of the section cavities of the accelerator cavity device, and therefore the section cavities can meet the requirement for installation precision of the angle positions. By means of the assembling tool and method for the accelerator cavity device of the free electron laser device, the requirement for the installation precision can be met when assembling is conductedin an ultra-clean chamber.

The invention discloses a mounting method of a track fundamental equipment bracket of a tamping coke oven SCP(Stamping, Charging and Pushing) machine, comprising the following steps of: firstly, smoothly placing a pre-manufactured stool support (5) on a hoisting point of the track fundamental equipment bracket (1) of the SCP machine; secondly, hoisting the track fundamental equipment bracket (1) of the SCP machine on the stool support (5) by using a hoist; and finally, mounting and adjusting the track fundamental equipment bracket (1) of the SCP machine by using a gantry hanging bracket (2) and a chain block (4) under the matching of a hoisting clamp (3), thereby meeting the process mounting requirement on the track fundamental equipment bracket of the SCP machine. The invention has strong operability and high mounting precision; and the mounting of one span of the track fundamental equipment bracket of the SCP machine is finished in only three hours averagely and the qualified rate for meeting the mounting precision reaches over 95 percent.

Provided is an axial clearance adjustment method for a pumping unit. According to a measurement result of an axial clearance, the sizes, supposed to be obtained after measurement, of a front anchor and a rear anchor of a motor are calculated accurately and quickly, that is to say, the thicknesses of pads which need to be added to or removed from a front anchor bolt and a rear anchor bolt of the motor are worked out, the axial clearance can meet the installation accuracy requirement, the installation quality of the pumping unit is guaranteed, and the installation progress is accelerated.

The invention discloses a crane runway mounting device. The crane runway mounting device comprises embedded bolts, level adjusting nuts, a threaded base plate, perpendicularity adjusting bolts, base plates, pressure plates, wedge-shaped base plates and hold-down nuts, wherein the level adjusting nuts are screwed at the lower parts of the embedded bolts; the threaded base plate is U-shaped and comprises side plates on two sides and a flat plate in the middle; threaded holes are formed in each side plate; the perpendicularity adjusting bolts are screwed in the threaded holes; through holes corresponding to the embedded bolts are formed in the flat plate; slotted holes matched with the embedded bolts are formed in the base plates flatly placed between the bottom outer edge of a track and theside plates of the threaded base plate; the perpendicularity adjusting bolts prop against side surfaces of the base plates; the through holes matched with the embedded bolts are formed in the pressureplates placed on the base plates and the bottom of the track; through holes corresponding to the embedded bolts are formed in the wedge-shaped base plates placed on the pressure plates; and the hold-down nuts are screwed at the upper parts of the embedded bolts. Besides, the invention further discloses a crane runway mounting method which employs the mounting device. According to the crane runwaymounting device and method, the track can be adjusted according to thread levels, and the demand on the track mounting accuracy of a conventional full-automatic crane is met.

The invention discloses a concrete block curtain wall and a manufacture and installation method thereof, and belongs to the field of curtain walls. According to the concrete block curtain wall and themanufacture and installation method thereof, an assembling die and a core mold are utilized to make a concrete prefabrication block, a slot type embedded part system is adopted to avoid a large number of welded plate type embedded parts, a stainless steel bracket is arranged on a steel joist on a dry-hanging block, the stainless steel bracket is connected with the steel joist through a high-strength bolt, the hoisting construction of a large block is completed by adopting technologies of spraying for internal water resistance and using heat preservation cotton for external thermal insulationconstruction, and hoisting, dry-hanging and fine-tuning of the concrete block and the like, the safety performance requirements are satisfied, and the construction quality is ensured.

The invention discloses an automatic positioning method for mounting and packaging a radiating cover. The method comprises the steps of manufacturing a radiating cover positioning mould, wherein the radiating cover positioning mould comprises a panel with a hollow area, and an edge clamping spring is formed by cutting two connected sides of the hollow area into grooves; manufacturing a substrate positioning mould, wherein the substrate positioning mould comprises a panel with a hollow area, and an edge clamping spring is formed by cutting two connected sides of the hollow area into grooves; directly bonding the substrate positioning mould and the radiating cover positioning mould through bonding glue and fixing the opposite position, wherein at the position, a substrate inlaid in the substrate positioning mould and a radiating cover inlaid in the radiating cover positioning mould mutually coincide without deflection; inverting the radiating cover in the hollow area of the radiating cover positioning mould, and fixing the radiating cover on the radiating cover positioning mould through the edge clamping springs at the side edges; and inverting the substrate which is coated with binder and heat conduction silicone grease and is provided with a bare chip in the hollow area of the substrate positioning mould.

The invention provides an installation and arrangement method for embedded type binding pieces of a container ship, and the ship. The method comprises the following steps: after a ship body is assembled in sections, taking a plurality of embedded type binding pieces, and grouping the plurality of embedded type binding pieces; dividing a deck into a plurality of container installation areas, and arranging a set of embedded binding pieces in each container installation area; installing single binding pieces at the four corners of the container installation area, installing duplex binding pieces on the edges of the container installation area, and installing quadruple binding pieces in the middle of the container installation area; and welding the single binding piece, the duplex binding piece and the quadruple binding piece to the deck of the ship body. According to the installation and arrangement method for the embedded binding pieces of the container ship and the ship, installation is rapid and convenient, precision can be guaranteed, the requirement for tight layout of the container is met, and the requirement for installation precision is met.

The invention relates to a press-in bushing installation tool. A support sleeve is provided on the stepped guide shaft passing through the lug of the part. One end of the support sleeve is supported on the limit platform of the guide shaft, and the other end is supported on the part ear. The end surface of the piece, and the support sleeve is provided with a groove, the diameter of the groove is consistent with the diameter of the through hole of the part lug; a pressure sleeve is formed at the end where the guide shaft passes through the part lug, and one end of the pressure sleeve is formed with the part to be installed. The bush contacts, and the other end contacts with the nut, and the front end of the guide shaft is provided with an external thread, and the nut is threaded with the external thread; a handle passing through the guide shaft is provided at the rear end of the guide shaft. The tool uses the clamping force generated when the nut is tightened to press the bushing into the product to complete the installation of the bushing, which does not damage the bushing and meets the installation accuracy requirements.

The invention relates to an on-spot finish machining device for a large equipment base face plate on a ship. The device comprises a frame structure which is formed by assembling a group of transversebeams and a group of longitudinal beams, a slidable sliding beam is arranged on the frame structure, a power unit assembly capable of vertically moving up and down and a longitudinal driving device matched with the power unit assembly are arranged on the sliding beam, a machining head is arranged below the power unit assembly, and the longitudinal driving device is used for driving the power unitassembly to move longitudinally; horizontal adjusting devices are arranged below the transverse beams, and are used for adjusting the horizontal position between the two transverse beams; and a transverse driving device is arranged on the longitudinal beams, rail assemblies matched with the transverse driving device are arranged on the transverse beams, sliding blocks matched with the rail assemblies are arranged at the two ends of the sliding beam, under the action of the transverse driving device, the sliding beam can slide transversely along the transverse beams. When the device is used, the overall milling finish machining can be carried out on the base face plate needing to be machined through the transverse movement of the sliding beam, the machining quality and the machining efficiency are improved, and the requirement on mounting precision of large equipment is met.

The invention provides an adjustable track beam girder erection platform. The adjustable track beam girder erection platform comprises a base and a positioning and storing device; the base can be arranged on a bridge pier, and the positioning and storing device is used for allowing a track beam to be placed; the adjustable track beam girder erection platform further comprises at least two sets ofadjusting mechanisms arranged on the base, wherein each adjusting mechanism supports and fixes the positioning and storing device and is distributed between the base and the positioning and storing device at intervals, each adjusting mechanism comprises a sliding assembly capable of moving in a bridge clockwise direction and a bridge transverse direction, and the sliding assembly supports the positioning and storing device. The invention further provides a track beam girder erection method, and the girder erection platform is adopted. The girder erection platform can accurately control the attitude of the track beam on the bridge pier, the track beam does not need to be precisely controlled when the track beam is hoisted and constructed, the hoisting difficulty of the track beam can be greatly reduced, the installation precision requirement of the track beam can be met, the control is easy, the adjustment is convenient, in addition, the girder erection platform can be reused, and the economical efficiency is also good.

A unit curtain wall system capable of being adjusted in multiple dimensions comprises an adjusting adapter used for adjusting the curtain wall unit space position. The unit curtain wall system is technically characterized in that the adjusting adapter comprises a thrice adapter adjustably fixed to a building floor, a secondary adapter adjustably fixed to the thrice adapter, and a hook limited at the end of the secondary adapter; and the secondary adapter is adjustably limited on the thrice adapter by being connected with a bolt between the secondary adapter and the thrice adapter. The defects that cold bending unit processing and assembling are high in difficulty are fundamentally overcome, the unit processing and assembling efficiency is effectively improved, and the overall manufacturing cost of a curtain wall is greatly reduced.

The invention discloses a coupling and boring axle hole accuracy guarantee method. The method is suitable for accurate machining of the coupling positioning hole of a hydroelectric generating set withlong positioning dimension segment and large coupling flange thickness. After coupling, boring a positioning alignment section for a coupling positioning hole, the precise position of a positioning section of the coupling hole is firstly ensured, and then the two shafts are disassembled for single-axis machining; and during single-axis machining, the boring holes are aligned according to the alignment sections of an occlusal flange face and the determined position, the size precision and the geometric tolerance of each boring hole are guaranteed, and the boring precision is approved through single piece and assembly after fine boring is finished. By disassembling a single-piece boring hole of a coupling body, the overhanging of a machining tool is shortened, the equipment stroke is reduced, the tool overhanging deflection deviation and machine tool precision deviation are reduced, the manufacturing precision is improved, the configuration of high-precision tools and high-precision equipment is reduced, the manufacturing cost is saved, and the method has the advantages of being convenient in process operation, reliable in precision and the like.

The invention relates to an installation detection and error analysis method for a guide rail. The installation detection and error analysis method comprises the following steps: (1) manufacturing a measurement reference and marking a measurement point; (2) solving a spatial relation between an actual plane and a theoretical plane; (3) establishing a guide rail space model; (4) carrying out the error analysis of guide rail straightness; (5) carrying out error analysis on the planeness and the perpendicularity of the guide rail; (6) controlling a guide rail mounting process; (7) adjusting the guide rail; (8) positioning the guide rail height, the guide rail distance and the center between the guide rail channels. The method is reasonable in conception, can meet the installation and detection requirements of the guide rail and the requirements of on-site installation and adjustment, and is extremely high in operability and efficiency.

The invention discloses a method for manufacturing a bent box-shaped steel tower segment. The method comprises bent plate unit manufacturing and bent box-shaped segment manufacturing. Bent plate unitmanufacturing comprises the main process that a steel plate is pressed, an adjustable sample plate is used for carrying out pressing check on plate units, and real-time forming adjustment is carried out; after pressing is qualified, the plate units are aligned and placed on a bending bed jig, and other parts are welded; and after welding is completed, the appearances of the bent plate units are subjected to finishing. Bent box-shaped segment manufacturing comprises the main process that on the basis of the bending bed jig, segments are assembled layer by layer from bottom to top and from inside to outside, and the relative positions of the plates on all layers of end openings of the segments and the matching tolerance of the segments are strictly controlled.

The invention discloses a double-guide-rail storage tank mounting device and method, and belongs to the technical field of structure design. A storage tank is placed on L-shaped guide rails, the guide rails are fastened to a structure through fixing pieces, displacement adjustment in the longitudinal and transverse directions perpendicular to lead screws is achieved through lead screw structures, and meanwhile, displacement adjustment in the direction of the guide rails is achieved through bearing structures mounted on the storage tank. In addition, the guide rails are completely fixed through threaded rods after being adjusted in place. The storage tank mounting method is suitable for connected mounting of the storage tank and the structure in a narrow space, the position adjustment requirement during storage tank mounting is met, and meanwhile, the requirement for the mounting operation space is also met.

The invention provides an aid for detecting bearing outer ring height. The aid is of an upside-down-bowl-shaped structure, the lower edge of the aid is a continuously-annular bearing outer ring compression portion, a protruding measuring portion is arranged at the center of the upper end face of the aid, the bearing outer ring compression portion surrounds a recessed portion, and the inner diameter of the recessed portion is in clearance fit with a shaft head of a shaft of a mounting bearing to axially position the aid. The invention further provides bearing outer ring height detecting equipment with the aid and a method utilizing the aid for bearing outer ring height detection. By the aid, the equipment and the method, the bearing outer ring height can be detected efficiently and accurately.

The invention discloses a convenient-to-disassemble mounting structure in a small rudder cabin. The convenient-to-disassemble mounting structure comprises a rudder blade, a rudder shaft, a shell, a lubricating gasket, a rudder shaft sleeve, a steering engine, a rotating Glyd ring and an O-shaped sealing ring, wherein a lower end surface of the rudder shaft is fixedly connected with the rudder blade and sequentially penetrates through the shell, the lubricating gasket and the rudder shaft sleeve from bottom to top, the rudder blade is tightly attached to the shell, a lubricating and sealing ring structure is installed on the rudder shaft and matched with a rudder shaft hole and a sealing groove in the shell, lubricating and sealing of the rudder shaft are guaranteed, the lubricating gasketis located between the rudder shaft sleeve and the shell and used for reducing friction between the rudder shaft sleeve and the shell, a polygonal prism is arranged at a tail end of the rudder shaft and matched with a polygonal inner hole of the rudder shaft sleeve, the rudder shaft sleeve and the rudder shaft are fixed through sunk screws, the diameter of the rudder shaft sleeve is larger than that of the rudder shaft hole in the shell, and the rudder shaft is prevented from disengaging from the shell. The small-sized rudder cabin inner mounting structure is advantaged in that the rudder shaft can be quickly disassembled and assembled in a narrow space, positioning is accurate, and stability and strength reliability in the use process are ensured.

The invention discloses a vertical type lathe servo motor assembly connecting device and a connecting method thereof. The connecting device comprises a rack, a transmission shaft, a servo motor assembly, a mounting plate and an adjustment plate. The transmission shaft is connected with a tool holder of a vertical type lathe and transmits feeding power for the tool holder. The mounting plate is fixedly mounted at the transmission shaft driving end of the rack. The servo motor assembly is fixed to the adjustment plate. An output shaft of the servo motor assembly is in transmission connection with the transmission shaft through a gear. The mounting plate and the adjustment plate are each provided with a through hole, wherein the through holes allow the output shaft of the servo motor assemblyto penetrate through. The mounting plate and the adjustment plate are fixedly connected through bolts arranged in mounting holes of the adjustment plate. Each mounting hole is a long hole. Two locating pins are arranged between the adjustment plate and the mounting plate. The connecting device and the connecting method thereof are simple in structure and convenient to mount; the workload of refitting the vertical type lathe into a numerically-controlled machine tool is greatly reduced; the transmission precision of the numerically-controlled machine tool can be guaranteed; the numerically-controlled machine tool obtained after refitting and upgrading can operate steadily and is low in noise; and the quality of machined products can be guaranteed.