1620results about How to "Improve installation accuracy" patented technology

The invention provides a ship lock floating bollard embedded part supporting device and a construction method thereof.The ship lock floating bollard embedded part supporting device comprises symmetrically-arranged pre-embedded formworks, guide grooves are formed in the inward opposite sides of the pre-embedded formworks, arc parts are arranged on one sides of the guide grooves, formwork outer edges are arranged on the outer sides of the arc parts, and a detachable supporting tool is arranged between the guide grooves; the supporting tool comprises a tool support, the tool support comprises a main body part, a tightening part is arranged on one side of the main body part, an inner blocking assembly is arranged on the other side of the main body part, a plurality of telescopic tensioning assemblies are arranged on one side of the tightening part, and a plurality of telescopic supporting block frames are symmetrically arranged on the two sides of the main body part. According to the supporting device for the ship lock floating bollard embedded part, safety and controllability of the construction process are achieved through automatic supporting force adjustment and a remote monitoring system, potential safety hazards caused by frequent manual intervention are avoided, the working efficiency is improved, and the problem that a traditional supporting device for the ship lock floating bollard embedded part needs manual adjustment and demolding is solved.

The invention provides a micropore machining method capable of adjusting a laser incidence angle in real time. The micropore machining method comprises the steps that S1, parameters such as the type of a micropore material, the micropore size and the depth-diameter ratio are determined according to the specific application environment and the use performance requirement; s2, according to the type and the characteristic parameters of the microporous material, a machining path drawing file is written, and a laser beam is controlled to conduct punching layer by layer according to the drawing file path in a spiral line mode; s3, when each layer is machined, laser scans in a spiral line mode according to a drawing and file path, and then trimming is conducted at the edge position in a concentric circle mode; s4, fitting a function relationship between the incident angle and the taper through an experiment, adjusting the incident angle of each layer of laser processing, determining layer-by-layer decreasing compensation of the compensation amount of the incident angle of each layer through the function, and eliminating the positive taper of the through hole; s5, circulation is conducted in this way, and machining of all layers is completed according to the mode; and S6, after machining of the last layer is finished, bottom-to-top and top-to-bottom reciprocating trimming is conducted in a concentric circle mode, and high-quality machining of the micropores is achieved.

The invention discloses an adjustable turnover mold core type mechanical arm and a using method thereof, and relates to the field of mold core mounting, the adjustable turnover mold core type mechanical arm comprises a base and a mechanical arm body mounted at the top of the base, a turnover mechanism is mounted at the output end of the mechanical arm body, and a positioning mechanism is mounted on one side of the turnover mechanism. The air cylinder pushes the connecting plate to move and drives the moving frame and the second rack to slide, the racks apply transverse force to enable the gear to rotate, then the angle of the rotating rod is adjusted, mold core overturning is achieved, meanwhile, the first rack is matched with the gear, and the overturning angle is flexibly adjusted through combined control of the limiting rod and the threaded rod; the limiting rods and the threaded rods ensure that the angle is accurately controlled during small-angle operation, efficient installation can be kept during large-angle overturning, the design meets the installation requirements of different mold cores, and the flexibility, installation precision and efficiency of a production line are improved.

The invention relates to the technical field of automatic robots, in particular to a photovoltaic module grabbing method based on point cloud and RGBD images. According to the method, the position of the photovoltaic panel is recognized in a two-step walking mode, and a mechanical arm is guided to automatically grab and place the photovoltaic panel. And the automation level, precision and efficiency of photovoltaic module installation are improved. By combining the high-precision space information of the point cloud data and the color and depth information of the RGBD image, the photovoltaic module can be quickly identified, positioned and accurately grabbed, so that the manual intervention is reduced, and the safety and reliability of the installation process are improved.

The invention discloses a mounting method for a water distribution ring pipe of an impulse turbine, and relates to the technical field of water turbines. Comprising the following steps: determining a runner pitch circle; the Z axis coincides with the circle center of the rotating wheel pitch circle; determining a rotating surface; determining a positioning surface; determining a positioning basis; setting a plurality of positioning lines; mounting a fork pipe, wherein the center of an outlet flange of the fork pipe is on a corresponding positioning line; determining the mounting angle of the fork pipe; the distance between the end surface of the outlet flange and the positioning surface is equal to a theoretical value; fixing the fork pipe; the steps are repeated until all the fork pipes are fixed; all straight pipes of the water distribution ring pipe are placed and fixed, and installation of the water distribution ring pipe is completed; when the straight pipe and the fork pipe are welded, due to existence of welding stress, the end face and the positioning face of the outlet flange need to be continuously measured to ensure that the end face and the positioning face of the outlet flange are parallel and the distance is equal to a theoretical value. The problem that the water distribution ring pipe is inconvenient to mount and measure due to the size and the weight of the impulse turbine can be solved.

The invention discloses an adjusting system for a gas helium cold screen in a vacuum tank and an application method, and particularly relates to the technical field of mechanical engineering, the adjusting system for the gas helium cold screen in the vacuum tank comprises an outer cold screen body and an inner cold screen body, and the outer cold screen body is formed by combining three outer cold screen single bodies. Through cooperation of the multiple positioning mechanisms and the multiple inner supporting mechanisms, the inner cold screen body can be limited and fixed in multiple directions, the positioning mechanisms and the inner supporting mechanisms can be rapidly separated from the inner cold screen body subsequently, the mounting and dismounting difficulty and the workload are reduced, the assembling efficiency is improved, and the assembling cost is reduced. Meanwhile, a trigger piece of the control mechanism can complete supporting and limiting of the inner cooling screen body, the trigger piece can conduct active switching control over the conveying state of the control mechanism, locking of the positioning mechanism and opening control over the inner supporting mechanism are completed, the control difficulty is reduced, meanwhile, multi-directional debugging and installation of the inner cooling screen body are completed through the control mechanism, and the debugging efficiency is improved. And the mounting precision is improved.

The invention discloses a method for replacing a ship rudder horn, which comprises the following steps of: measuring rudder blade gap data, measuring old rudder horn data as an original record, so that a new rudder horn is measured and compared again after being installed, and a center line of a guyed rudder system is established; hoisting a new rudder horn in place, adjusting the position of the rudder horn by taking the center line of the steering engine as a reference, assembling the new rudder horn and a ship body structure together, symmetrically welding, and performing ultrasonic flaw detection and magnetic powder flaw detection on a welding seam; boring the new rudder horn by taking the center line of the guyed rudder system as a reference; and a rudderstock lower cloth and a rudder pintle cloth of the rudder horn are machined, and the steering engine, the rudder blade, the rudderstock and the rudder pintle are installed back. According to the replacement method of the ship rudder horn, the parameters of the old rudder horn are collected to serve as the positioning parameters of the new rudder horn, accurate replacement of the rudder horn can be achieved, accurate folding of the replaced new rudder horn and the ship body is facilitated, and the installation accuracy of the rudder horn can be improved by establishing the center line of the guyed rudder system.

The laminated slab construction hoisting device comprises a hoisting frame, the hoisting frame comprises two longitudinal beams arranged in parallel and two transverse beams arranged in parallel, and the two transverse beams are fixed between the two longitudinal beams to form a rectangular frame matched with a laminated slab unit in size; a lifting device and a positioning device are installed on the lifting frame, the lifting device is installed on the opposite sides of the two longitudinal beams, the lifting device comprises a winding assembly and lifting assemblies, the lifting assemblies are symmetrically arranged on the two sides of the winding assembly, the winding assembly is provided with two output ends, and the two output ends are connected with the positioning device. The lifting assemblies on the two sides are driven by the output ends of the two sides of the winding assembly correspondingly, the positioning device is used for positioning the position of the laminated slab, the laminated slab is kept stable in the lifting process, collision and damage caused by shaking are avoided, and the working efficiency is improved. And through stable hoisting and accurate positioning, the risks of shaking and collision of the laminated slab in the hoisting and mounting process are reduced, and the operation safety is improved.

The invention discloses a mounting and measuring device for a water distribution ring pipe of an impulse turbine, which relates to the technical field of water turbines and comprises a measuring mechanism and a measuring and positioning plate. The measuring mechanism comprises a base with a horizontal adjusting mechanism; a supporting column is mounted on the base; a measuring arm is rotationally connected to the supporting column, and the rotating axis of the measuring arm is collinear with the center line of the unit. A positioning assembly and a first adjusting mechanism which are matched with the centers of a plurality of outlet flanges are arranged between the measuring arm and the supporting column; the central line elevation of the measuring arm is equal to the elevation of the water diversion blade of the bucket through the first adjusting mechanism; the mounting position of the outlet flange on each water distribution ring pipe joint is positioned through a positioning assembly; the measurement positioning plate is mounted on the outlet flange, and the measurement positioning plate is parallel to the measurement plate when the water distribution ring pipe is mounted; the measuring plate can adjust the elevation so as to eliminate errors caused by deformation of the long arm. The problem that the water distribution ring pipe is inconvenient to mount and measure due to the size and the weight of the impulse turbine can be solved.

The invention discloses a building curtain wall mounting and fixing device, relates to the technical field of building curtain wall mounting equipment, and aims to solve the problem that the stability of an existing building curtain wall mounting and fixing device cannot be guaranteed during curtain wall mounting. The adsorption assembly is used for adsorbing the curtain wall, and the clamping assembly is used for carrying out auxiliary clamping and fixing on the curtain wall when the adsorption assembly stretches out and draws back to adsorb the curtain wall; the driving adjusting mechanism comprises a driving assembly used for driving the adsorption assembly to stretch out and draw back and an adjusting assembly used for adjusting the adsorption and clamping angles of the adsorption clamping mechanism; the auxiliary moving mechanism comprises an auxiliary assembly which is matched with the adjusting assembly to adjust the angle and the position of the adsorption clamping mechanism, the adsorption clamping mechanism, the adsorption assembly and the self-adaptive clamping assembly are combined with one another, and through double-insurance matching of adsorption and clamping, rapid adsorption and stable clamping of the curtain wall are achieved; and the complexity and the time cost of manual operation are effectively reduced.

The invention discloses a fabricated curtain wall construction method, system and equipment based on a BIM technology and a storage medium. The method comprises the following steps: performing virtual paying-off on a building main body structure to obtain paying-off data; acquiring curtain wall information of the fabricated curtain wall; performing hoisting path simulation on the fabricated curtain wall according to the curtain wall information and the pay-off data, and adjusting the simulated hoisting path in a BIM model including the building main body structure to obtain an adjusted BIM model; the assembled curtain wall is temporarily fixed through the adjusted BIM model; performing error detection on the temporarily fixed fabricated curtain wall to obtain an error report, performing position adjustment on the temporarily fixed fabricated curtain wall according to the error report, and stopping adjustment when an error value is within a preset range to complete installation. By implementing the technical scheme provided by the invention, the construction precision of the fabricated curtain wall is improved.

The utility model provides a miniaturized displacement sensor, which relates to the technical field of sensors and comprises a shell provided with a mounting cavity; the sensitive component is arranged in the mounting cavity; one end of the cable extends into the mounting cavity and is electrically connected with the sensitive component; the measuring rod is fixedly connected with the shell; the annular magnet is movably arranged on the measuring rod; the shell comprises an electronic bin, at least one part of the outer wall of the electronic bin is provided with mounting threads, the electronic bin is provided with a first end and a second end which are oppositely arranged, and the second end is fixedly connected with the measuring rod; the wire holder is arranged at the first end, and the wire holder is in sealed connection with the electronic bin and defines a mounting cavity; the shell is provided with a first structure convenient to mount and dismount. According to the technical scheme of the utility model, the installation threads are arranged on the outer wall of the electronic bin, so that a worker can conveniently install or detach the miniaturized displacement sensor, the operation is easy, the installation precision of the miniaturized displacement sensor can be improved, the displacement condition can be avoided, and the measurement precision can be ensured.

The invention discloses a high-pressure common rail pump synchronous tightening device and a using method thereof, and belongs to the technical field of high-pressure common rail pumps. The device is used for fixing an electromagnetic valve on a pump body, and two main stations are arranged in the device and are respectively used for oil dripping and installation height detection of the electromagnetic valve and synchronous screwing of screws; the oil dripping mechanism and the height detection mechanism of the first station ensure that the electromagnetic valve is correctly positioned, and the tightening mechanism of the second station achieves accurate and synchronous tightening of screws through a servo driving motor and a torque sensor. The using method comprises a series of automatic operation steps, and through feedback circulation of the sensor, the accuracy and rapidity of installation of the electromagnetic valve are guaranteed. According to the device, the production efficiency is improved, the labor cost is reduced, and the high-precision installation standard can be achieved.

The utility model discloses a steel box girder hoisting fine adjustment device which comprises a base, a jack is fixedly arranged on the upper surface of the base, a supporting assembly is fixedly arranged at the upper end of an ejector rod of the jack, supporting arms are arranged on the two adjacent side walls of the base respectively, the supporting arms are in an L shape, and air cylinders are fixedly arranged on the upper portions of long arms of the supporting arms. A piston rod of the air cylinder penetrates through the long arm of the supporting arm and extends to the position above the short arm of the supporting arm, and the piston rod is higher than the air cushion supporting assembly. According to the fine adjustment device for hoisting the steel box girder, the jack is arranged to adjust the height of the steel box girder, the air cushion supporting device, the supporting arm and the air cylinder are arranged to adjust the position of the steel box girder in the horizontal direction, so that the steel box girder is installed at a preset installation position, the installation precision is high, and the operation is convenient and fast.

The invention discloses a heat preservation integrated assembly type roof structure and a construction method thereof, and relates to the technical field of building roof structures, the heat preservation integrated assembly type roof structure comprises a supporting frame, a heat preservation layer, a waterproof layer and a concrete protection layer, the supporting frame is fixed to a building main body structure, and the heat preservation layer comprises a plurality of roof panels which are spliced with one another; the roof panel is made of high-strength lightweight concrete, a heat preservation plate is embedded in the roof panel, a fixing structure used for fixing the roof panel is arranged on the supporting frame, the waterproof layer is laid on the heat preservation layer and covers the whole heat preservation layer, and the concrete protection layer is laid on the waterproof layer and covers the whole heat preservation layer. And a gap between the supporting frame and the building main body structure is sealed. The method has the advantages that efficient assembly construction can be achieved, the construction period is remarkably shortened, the field operation amount is reduced, and the construction efficiency is improved.

The invention discloses an aircraft movable part hinge joint reaming method, which adopts an aircraft movable part hinge joint reaming tool to assist in reaming a hinge joint connected between an aircraft movable part and an aircraft fixed part, and the aircraft movable part hinge joint reaming tool comprises a tool main body, and at least two groups of hinge joint positioning assemblies, a plurality of tool positioning pieces and a plurality of airplane fixing part positioning pieces which are in one-to-one correspondence with the hinge joints are detachably fixed on the tool main body. According to the invention, the coaxiality of reaming holes in different hinge joints is effectively ensured, and the mounting precision of movable parts of an aircraft is effectively improved; the reaming tool for the hinge joint of the aircraft movable part can be repeatedly used, reaming positioning is convenient and fast, the assembly cost of the aircraft movable part is reduced, and meanwhile the assembly efficiency of the aircraft movable part is effectively improved.

The invention relates to the field of fabricated buildings, and particularly provides a double-track photovoltaic panel glass curtain wall plate mounting structure. The device comprises a wall body and a supporting cross beam, an inner sliding rail and an outer sliding rail are installed at the bottom of the supporting cross beam, and a first winch and a second winch are installed on the inner sliding rail and the outer sliding rail correspondingly. The two sets of limiting wheels on the inner side of the sliding frame also move along with the sliding frame and accurately abut against and limit the traction rope, the transverse position of the hoisting frame and the transverse position of the curtain wall plate adsorbed to one side are effectively adjusted, and therefore the relative distance between the curtain wall plate and the hanging basket and the relative distance between the curtain wall plate and the wall are changed, and an operator can adjust the position of the curtain wall plate according to the specific installation environment. The transverse position of the curtain wall plate can be quickly and accurately adjusted, the installation convenience of the curtain wall plate is remarkably improved, and the safety in the installation process is greatly improved.

The invention provides a sensor six-connection-assembly rapid precision testing tool, and relates to the technical field of sensor precision testing. The sensor six-connection rapid precision testing tool comprises a fixed seat, a pressurizing air inlet pipe, two groups of cover plates and six groups of sensor bodies. According to the invention, the six groups of sensor bodies are connected with the fixed seat through the cover plate, are fixed through the four screw rods, are clamped at one time, and are tested by using the same air inlet hole, so that the test efficiency and the test precision are effectively improved, and the contact between the positioning pin and the positioning hole is prior to the contact between the detection end and the detection hole; the edge of one end, far away from the cover plate, of the positioning pin, the edge of the detection hole, the edge of the positioning hole and the edge of the mounting hole are all provided with arc chamfers, and the matched parts do not need to be completely aligned when being mutually inserted, so that the installation precision is effectively improved. And the mounting speed can be effectively improved through the arc chamfer.

The utility model discloses an elevator shaft frame which comprises a base, the upper surface of the base is fixedly connected with a supporting seat, the upper surface of the supporting seat is fixedly connected with a buffer hydraulic rod, the upper surface of the base is fixedly connected with two supporting steel plates, the upper surface of each supporting steel plate is in threaded connection with three first bolts, and the upper surface of each supporting steel plate is in threaded connection with three second bolts. Four first supporting steel frames are fixedly connected to the upper surface of the base, support transverse plates are welded to the side faces, close to one another, of the first supporting steel frames, a first steel frame connecting sleeve is fixedly connected to the upper surface of each first supporting steel frame, and a second supporting steel frame is fixedly connected to the inner wall of each first steel frame connecting sleeve. By means of the modularized installation mode, future maintenance and overhaul work is more convenient, damaged parts can be rapidly positioned and replaced, the modularized installation mode can be adjusted according to different building structures and elevator specifications, and high flexibility is achieved.

The substrate conveying equipment comprises a body, an arm, a lifter and a lifting assembly, a containing space is formed in the body, the lifting assembly comprises a sliding rail and sliding blocks, the number of the sliding blocks is two, the sliding blocks are connected to the sliding rail in a sliding mode, and a connecting area is formed between the two sliding blocks; the driving assembly is arranged in the containing space, the driving assembly comprises M power sources stacked in the height direction, the power sources are used for driving the joints to rotate, and combined shells are arranged on the outer sides, corresponding to the N power sources of the connecting area in the horizontal direction, of the M power sources; wherein the bottom of the combined shell is connected with the lifter, the sliding block is fixedly connected with the combined shell, the combined shell is used for bearing N adjacent power sources close to the bottom of the combined shell, and N is smaller than or equal to M. By the adoption of the technical scheme, the problem that the overall lifting precision is poor due to the fact that the installation precision is poor due to the fact that the power source size or combination stacking is uneven is solved.

A construction hoisting device and hoisting method for a composite plate, comprising a hoisting frame, the hoisting frame comprising two longitudinal beams arranged parallel to each other and two transverse beams arranged parallel to each other, the two transverse beams are respectively fixed between the two longitudinal beams to form a rectangular frame matching the size of the composite plate unit, a hoisting device and a positioning device are installed on the hoisting frame, the hoisting device is installed on the opposite side of the two longitudinal beams, the hoisting device comprises a winding assembly and a lifting assembly, the lifting assemblies are symmetrically arranged on both sides of the winding assembly, the winding assembly is provided with two output ends, the lifting assemblies on both sides are respectively driven by the output ends on both sides of the winding assembly, and the positioning device is used to position the composite plate. The present invention enables the composite plate to remain stable during the hoisting process, avoids collision and damage caused by shaking, and the stable hoisting and precise positioning reduce the shaking and collision risks of the composite plate during the hoisting and installation process, thereby improving the safety of the operation.

The utility model relates to a shield tunneling machine hobbing cutter holder integral installing and welding positioning device which is arranged between a left cutter holder and a right cutter holder and comprises a height tool used for controlling the distance between the left cutter holder and the right cutter holder and a coplanar positioning shaft used for controlling cutter shaft supporting faces to be coplanar. The height tool comprises a base frame and height adjusting assemblies, the height adjusting assemblies are arranged at the four corners of the top of the base frame respectively, and each height adjusting assembly comprises a coarse adjusting screw in threaded connection with the base frame and a fine adjusting nut arranged on the coarse adjusting screw. A coplanar positioning shaft is arranged on one side of the base frame, at least two positioning planes perpendicular to each other are arranged on the side wall of the coplanar positioning shaft, and the two positioning planes perpendicular to each other are attached to the supporting face A and the supporting face B respectively. The tool apron positioning device is simple and convenient to use and operate, can quickly and accurately position when the tool aprons are installed and welded, ensures the accurate distance between the left tool apron and the right tool apron and the coplanarity of the supporting surfaces of the tool shaft, and provides safe support for hob installation.

The invention provides a large-span steel corridor structure high-precision assembling method, and belongs to the technical field of building construction, and the method comprises the step of constructing an accurate and reliable structure assembling technical system through deep fusion of a building information model and a three-dimensional space coordinate system. According to the method, a laser positioning instrument and a multi-stage torque sensor are introduced for the first time, and accurate positioning of the steel member and fine control of bolt torque are achieved. From a pre-assembly site, component installation is conducted layer by layer through an axis control net and an angular point control net, and a staged bolt fastening strategy is adopted and comprises initial tightening torque control, semi-tightening torque control and final tightening torque control. In the assembling process, finite element analysis software is used for conducting multiple times of structure checking calculation, the space position error and the structure stability are strictly monitored, and the geometric accuracy, the connection reliability and the overall performance of the large-span steel corridor structure are ensured. According to the method, the problem that large accumulative errors are inevitably caused by the fact that manual measurement and mechanical limiting modes are generally adopted for positioning and connection at present is solved.

The utility model discloses a dry-type transformer, and relates to the technical field of transformers. The arc-shaped support slides on the pulleys arranged on the fixing blocks, the arc-shaped support and the inner wall of the protection box are fixed through the reserved bolt holes, during installation, the installation frame is limited through an auxiliary positioning mechanism composed of the limiting lantern ring, the fixing cylinder, the spring and the ejector block, accurate installation is facilitated through auxiliary positioning, the installation precision is improved, and the installation efficiency is improved. By means of the self-adaptive closed ventilation mechanism composed of the closed assembly, the filtering assembly, the drying assembly and the air inducing assembly, the manual installation strength is reduced, and the situation that follow-up work is poor due to installation deviation is reduced; the self-adaptive closed ventilation mechanism is composed of the closed assembly, the filtering assembly, the drying assembly and the air inducing assembly; and the ventilation box is in a closed state through the closing assembly, so that the situation that external substances enter the protection box through the ventilation box when the ventilation box does not work is reduced.

The utility model relates to the technical field of GIS discharge sensors, in particular to an installation mechanism of a GIS partial discharge sensor, which comprises a base, a support frame and a pressing block, the support frame is arranged above the base, the pressing block is connected to the bottom of the support frame in a sliding manner, and three limiting grooves are formed in the top of the pressing block at equal intervals. And three polished rods are fixedly connected to the top of the inner wall of the supporting frame at equal intervals, limiting plates are fixedly connected to the exteriors of the polished rods, the limiting plates make contact with the tops of the abutting blocks, and the bottoms of the polished rods extend into the corresponding limiting grooves. The GIS partial discharge sensor buffering device has the advantages that the GIS partial discharge sensor is buffered, the partial discharge sensor can be protected from being affected by the external environment, normal operation of the sensor is guaranteed, proper protection is provided for the sensor, the operation reliability of the whole GIS device can be improved, and the reliability of the GIS device is improved. Unnecessary operation and maintenance intervention caused by sensor faults is reduced, and compared with a traditional device, the operation quality and the use efficiency are greatly improved.

The utility model discloses a linear guide rail device, which belongs to the field of linear guide rails and comprises a base station, the upper surface of the base station is fixedly connected with a guide rail body, the front surface and the back surface of the guide rail body are respectively provided with a limiting groove, and the upper surface of the guide rail body is provided with a limiting slide way. The guide rail sliding base can be installed on the guide rail body through the limiting groove, the limiting sliding way, the limiting sliding block and the limiting clamping block, then machining equipment is installed on the guide rail sliding base through the equipment installation frame, debugging and checking are conducted after installation is completed, the movement precision and the guiding precision of the guide rail body and the guide rail sliding base are ensured, and vibration and swinging are avoided; and the oil injection frequency and the oil injection quantity of the two lubricating oil tanks are set through the touch panel, oil injection lubrication is conducted on the movement path of the guide rail sliding base through the oil conveying pipe, the lubricating spray head and the oil conveying pipe, and it is guaranteed that the guide rail sliding base is accurately lubricated in the movement process.

The invention discloses an arc-shaped combined display panel, a combination method and a household appliance, the arc-shaped combined display panel comprises a display screen support and a panel, one side of the display screen support is a first structure matched with an arc-shaped ultrathin display module, and the other side of the display screen support is a second structure matched with a display control assembly higher than the arc-shaped ultrathin display module. The arc-shaped ultrathin display module comprises a first membrane, a light insulation part, light guide plates and a first circuit board which are sequentially arranged from top to bottom, the light guide plates are combined to form an arc shape corresponding to the shape of the panel, and each light guide plate is provided with a light guide plate positioning column and a code. And the first circuit board is provided with light guide plate positioning holes corresponding to the light guide plate positioning columns. According to the invention, high-sensitivity touch and induction can be realized, the installation efficiency and accuracy are improved, the installation precision of the light guide plate is high, and dislocation and deviation are avoided. Different shapes and heights are arranged in different areas of the display screen support, various parts with different requirements are combined together, and good functions can be achieved.

The invention discloses a fabricated shear wall component positioning and mounting system and method. The system comprises a steel bar frame arranged at the top of a lower-layer shear wall component and triangular frames arranged on the side face of a to-be-mounted layer shear wall component in parallel at intervals. A connecting handrail is arranged on the tripod; the positions of electrical wiring preformed holes and embedded bolts are positioned by arranging a steel bar frame at the positions of hanging nails on a lower-layer shear wall component, so that the accuracy of embedding of wire pipes and bolts is ensured; the in-place installation track of the to-be-installed layer shear wall component is controlled through the positioning grooves in the triangular frames, so that connection between the to-be-installed layer shear wall component and top joint bars of the lower layer shear wall component is accurate; the connecting handrails are used for assisting in in-place mounting of the to-be-mounted layer shear wall component and the lower layer shear wall component, shaking in the connecting and positioning process of the shear wall and the joint bars of the base is avoided, and the assembling efficiency of the shear wall is improved.

The utility model discloses a bent via hole connector. The bent via hole connector comprises a shell, a front end cover and a rear end cover, the shell comprises a connecting base and a high-temperature-resistant bent pipe which are integrally formed, and the bent pipe can be bent to the angle needed by the installation working condition. The front end cover and the rear end cover are connected with the front end and the rear end of the bent pipe respectively to form a bent wire passing channel, and the stripping end of a bent cable can penetrate through the wire passing channel to enable the wire passing channel to be sealed and fixed. The utility model has the effects of satisfying wire outgoing at various bending angles, omitting switching, simplifying the assembly process, improving the field installation efficiency, and being low in risk coefficient of electrical performance in use.

The invention is suitable for the technical field of water wheel motor machining equipment, and provides a water wheel generator main shaft accurate installation auxiliary device which comprises a set of machine frames. Assembling grooves are formed in the opposite upper parts of the two racks; the longitudinal linear sliding rails are arranged in the two assembling grooves; the transverse bracket slides between the moving ends of the two longitudinal linear slide rails; the transverse linear sliding rail is arranged above the transverse bracket; the first adjusting mechanism is arranged on the transverse linear sliding rail; the second adjusting mechanism is arranged below the first adjusting mechanism; precise adjustment of the position, height and installation angle of the spindle is achieved, the spindle can be subjected to multi-dimensional adjustment in the installation process, the application flexibility of the device is further enhanced, the installation efficiency and precision are improved, and the device adapts to complex and changeable installation scenes; the installation precision and stability are improved, potential safety hazards in the main shaft hoisting process are reduced, and safety and reliability in the hoisting process are guaranteed.