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

The invention discloses a supporting platform device. According to the supporting platform device, the bottom of a supporting plate at least can be provided with three height regulating brackets, wherein the top ends of the height regulating brackets are fixed on the supporting plate, and the bottom ends of the height regulating brackets are provided with sucking discs; each height regulating bracket is provided with a height coarse regulating bolt and at least one height fine regulating bolt, and a height required by a mounting specification of equipment to be mounted can be reached by regulating the height coarse bolts; and then the height fine regulating bolts are regulated by combining an observation horizontal position until reaching the height required by the equipment mounting and a horizontal state. According to the supporting platform device, height coarse regulating is carried out on the equipment to be mounted through the coarse regulating bolts, and then height fine regulating is carried out on the equipment to be mounted through the fine regulating bolts, so that the requirement on the mounting precision of the equipment is met.

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.

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, 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 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 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 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 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.

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 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 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.