37results about How to "Reduce alignment time" patented technology

The utility model discloses a variable diameter blowout preventer pipe relates to wellhead sealing blowout preventer technical field, and its technical key points include main pipeline, the top of main pipeline installs first variable diameter pipe, the top of first variable diameter pipe installs second variable diameter pipe, the top of second variable diameter pipe installs the top pipe, the utility model discloses when using, realized through variable diameter pipe group and realized the passage diameter adaptation, and pressure sensor and blowout preventer valve guarantee safety, with the help of flange, U -shaped clamping plate and locking assembly, realize quick firm connection with least three bolts, trapezoidal positioning structure realizes pipeline accurate butt joint, and the overall operation efficiency, safety and convenience are improved.

This utility model discloses an electric torque-controlled nut tightening tool, relating to the field of electric nut tightening technology. It includes a gun body, a gun barrel fixedly connected to one side of the gun body, a gun head rotatably connected to the side of the gun barrel away from the gun body, a lithium battery snapped into the lower side of the gun body, a switch movably connected to the side of the gun body away from the lithium battery, a retaining ring connected to one side of the gun barrel, and an installation mechanism on one side of the retaining ring. This utility model, employing the above structure, installs multiple positioning components on the gun barrel. The positioning suction cups in the positioning components can closely adhere to the workpiece surface, providing support to the gun body from three different directions. This eliminates the need for the worker's manual strength to maintain gun body stability, significantly reducing the probability of gun body wobbling during operation. This allows the gun head to quickly and accurately align with the nut to be installed, reducing alignment adjustment time caused by wobbling and improving overall operating efficiency.

The utility model discloses a parallel correction device of an exposure machine. The parallel correction device comprises a mask assembly, a correction assembly arranged on the mask assembly and a moving assembly, the correction assembly comprises an air cylinder, a correction plate arranged on the air cylinder and a plurality of correction balls arranged on the correction plate; the air cylinder controls the correction plate to enter and exit between the moving assembly and the mask assembly, one end of the correction ball abuts against the side, close to the correction plate, of the mask assembly, and the moving assembly drives a film source to move in the direction close to the mask assembly through torsion control. Therefore, the film source abuts against the plurality of correction balls. According to the utility model, the moving assembly drives the film source to move towards the correction balls, and the torsion-controlled moving assembly ensures that the uniformly distributed correction balls respectively abut against the photomask and the film source, so that the photomask and the film source are arranged in parallel, the alignment time is shortened, the productivity is improved, the exposure effect of the film source is improved, and the rework rate of products is reduced.

The utility model provides a kind of door bar structure for crane, including pedestal, stand, door bar main part and lock connection component.Pedestal is fixed in maintenance passageway, stand is vertically arranged on pedestal, door bar main part is hinged with stand by hinge, and passageway can be rotated to open and close.Lock connection component includes lock block that is rotatably connected in the top of stand by pin shaft, lock block is equipped with the slot of the notch of down, and door bar main part is correspondingly equipped with clamping portion.Close when rotating lock block to make clamping portion enter notch, and lock block is compressed tightly door bar main part to realize locking under the action of gravity;When opening, reverse rotation lock block makes clamping portion to be out of.The structure solves the problem that traditional door bar lock tongue and lock hole are difficult to align, locking is reliable, has good fault tolerance and security, and is suitable for the protection of crane maintenance passageway.

This invention provides a mass production machining device for door pillars, belonging to the field of door pillar mass production machining technology. It includes a base, with mounting brackets mounted on the top of the base. The mounting brackets have equidistant first limiting grooves and equidistant mounting grooves on their tops. Four mounting brackets are equidistantly arranged on the base, and one mounting bracket located on one side edge of the base has equidistant first limiting blocks on its top. This invention, by setting up an auxiliary positioning mechanism and a limiting and fixing mechanism, allows the eight first sliding grooves to be quickly positioned to the machining position on the top of the base in one go, avoiding multiple alignment adjustments and improving positioning efficiency. Furthermore, the limiting and fixing mechanism further limits and fixes the transported profile body, ensuring that the profile body remains stable, does not shift, and does not shake during processing, ensuring consistent processing benchmarks.

The embodiment of the invention provides a carrying device, and relates to the field of thermal runaway treatment of energy storage batteries, the carrying device is suitable for treating a lithium battery pack, the carrying device comprises a moving seat, a first driving assembly and a second driving assembly, and the first driving assembly and the second driving assembly are arranged on the moving seat, and the carrying device further comprises a treatment box and a grabbing assembly; the processing box and the grabbing assembly are both arranged on the moving seat, the processing box is in transmission connection with the first driving assembly, and the grabbing assembly is in transmission connection with the second driving assembly. Wherein the moving seat can drive the processing box to move between a first target position and a second target position, and when the processing box is located at the first target position, the second driving assembly is suitable for driving the grabbing assembly to be connected with the lithium battery pack and driving the lithium battery pack to move into the processing box; and when the processing box is located at the second target position, the first driving assembly drives the processing box to be separated from the moving seat, so that the cost of the carrying device is reduced while the carrying device rapidly processes the lithium battery pack.

The present invention discloses a single crystal silicon rod feeding device and a feeding cart, the feeding cart comprises a single crystal silicon rod feeding device, the single crystal silicon rod feeding device comprises a feeding placement device and a length measuring device; the feeding placement device comprises a support frame, at least two rollers are respectively arranged on both sides of the support frame to roll and support the single crystal silicon rod; the length measuring device comprises a base, a ball screw, a servo motor, a transmission member, a measuring member and a positioning member; the base is arranged at one side of the support frame; the positioning member is located at the tail end of the support frame and protrudes upward from the support frame; the transmission member is provided with a threaded hole and is movably arranged at the base; the ball screw is rotatably arranged on the base, and the support frame is parallel, and passes through the threaded hole by threaded transmission; one end of the measuring member is connected to the transmission member, and the other end of the measuring member extends to the top of the support frame; the servo motor is used to drive the ball screw to rotate to drive the measuring member to move. The present invention has the advantage of being able to measure the length of the single crystal silicon rod.

The application discloses a double-beam plug-in machine device and relates to the technical field of automatic component installation. The device adopts an independent driving double-horizontal-beam and double-working-head parallel operation architecture, can fundamentally break through the work beat bottleneck of a traditional single-beam structure, enables two working heads to respectively take materials in front and rear material loading areas and simultaneously perform plug-in operations on a PCB board located in the center of a conveying mechanism, realizes highly overlapped and parallel operation of material taking, moving and plug-in processes, and can improve the theoretical maximum beat by nearly one time compared with a single-beam single-head or single-beam double-working-head device. Since the movement stroke and load of each working head are relatively reduced, the speed and acceleration requirements of a single movement shaft are reduced, mechanical vibration, wear and noise can be effectively reduced, positioning accuracy and long-term operation stability of the device can be ensured while efficiency is improved.

This invention discloses a method for fabricating an embedded wafer-type self-traceable grating standard sheet, belonging to the field of semiconductor manufacturing and metrology standards technology. The method includes: using a single-sided polished silicon wafer as a substrate material to obtain a first structure; performing an oxidation treatment on the first structure to form an oxide layer, obtaining a second structure; performing photolithography on the second structure and etching to remove the exposed oxide layer, forming a hard mask for etching grooves, and forming tracking mark patterns around the grooves, obtaining a third structure; performing photolithography on the third structure to etch grooves on the silicon wafer, obtaining a fourth structure; and coating the bottom of the self-traceable grating and inside the grooves with an adhesive to precisely mount the self-traceable grating within the grooves, obtaining an embedded wafer-type self-traceable grating standard sheet. This invention, using the above method, can provide a precise measurement benchmark across the entire wafer, improve measurement consistency, reduce manual calibration errors, and optimize the photolithography alignment and wafer geometry measurement process.

The invention discloses an SINS (Strapdown Inertial Navigation System) robust travel alignment method containing outlier detection and multiple backtracking filtering, which comprises the following steps of: acquiring and storing output information of an SINS and a GNSS (Global Navigation Satellite System) in real time, and performing attitude updating; detecting whether the speed information collected by the GNSS at the current moment is polluted by the outlier information, and obtaining a detection result; reconstructing an observation vector according to the detection result and the reference vector; based on the reference vector and the reconstructed observation vector, adopting a multiple backtracking filtering method to realize alignment; according to the invention, the design method of the correlation gradient value is used for isolating the outliers output by the GNSS, and meanwhile, the correlation error is continuously corrected in the multi-backtracking filtering process, so that the reliability of the alignment result is effectively improved, and the alignment speed is accelerated.

The utility model belongs to the technical field of monitors, and particularly relates to a monitor shell and a monitor, the monitor shell comprises a first shell, a second shell, a first connecting assembly and a second connecting assembly, the first shell is provided with a first side edge; the second shell is provided with a second side edge abutting against the first side edge. The first connecting assembly is arranged between the first side edge and the second side edge so as to lock the first shell and the second shell in the direction perpendicular to the assembling direction of the first shell and the second shell. The second connecting assembly is arranged between the first side edge and the second side edge so as to achieve alignment of the first shell and the second shell in the assembling direction. Through locking of the first connecting assembly and alignment of the second connecting assembly, assembling of the first shell and the second shell can be more convenient and faster, and the assembling efficiency of the first shell and the second shell is improved.

The present invention relates to a shoe upper blanking device. A mold assembly is provided on the top surface of a placement plate, and a lifting assembly is provided between the placement plate and the mold assembly. The mold assembly includes a limit frame and a cutting die. The first frame is in a "U" shape. The front end of the second frame is slidably connected to the front inner side surface of the first frame through a sliding assembly. Both ends of the third frame are detachably connected to the first frame and the second frame respectively through a connecting assembly. The third frame includes a plurality of rod bodies, and the plurality of rod bodies are detachably connected to each other through a connecting assembly. The cutting die includes a front arc portion, a connecting portion, and a rear arc portion. The rear arc portion and the front arc portion are fixedly connected through the connecting portion to form a sealing structure. A plurality of pairs of cutting dies are arranged in the limit frame in contact with each other, and the cutting dies at both side ends are in contact with the first frame and the second frame respectively. The mold assembly can be assembled according to the shoe upper material for blanking work, which not only reduces the alignment time but also improves the utilization rate of the shoe upper material.

The present invention provides a container truck positioning method, system, electronic device and storage medium, the method comprising: obtaining an operation instruction, the operation instruction including an operation type; obtaining two-dimensional lane point cloud data of the current operation lane; extracting two-dimensional container truck point cloud data of the target container truck on the current operation lane based on the two-dimensional lane point cloud data and pre-obtained ground point cloud data; determining the loading state of the target container truck based on the two-dimensional container truck point cloud data and the ground point cloud data; when the loading state does not match the operation type, outputting corresponding early warning prompt information; when the loading state matches the operation type, obtaining the relative position relationship between the target container truck's alignment point and the specified target position, so that the target container truck can adjust its position according to the relative position relationship until the alignment point reaches the target position. The present invention can make the container truck stop accurately at the specified target position.

The invention provides a transfer cart for galvanized steel coil production, and belongs to the technical field of transfer carts. Comprising a trolley, an inner supporting assembly is arranged on the trolley, a guide fixing assembly is arranged at the front end of the inner supporting assembly, a lifting table is arranged below the inner supporting assembly, a bottom fixing assembly is arranged on the lifting table, anti-cracking assemblies are arranged on the two sides of the bottom fixing assembly, and a steel coil can be placed on the inner supporting assembly. And a hydraulic power system is arranged in the trolley. A bevel gear set is driven by a motor to adjust a guide block to be matched with the inner diameter of a steel coil, the steel coil is guided to be accurately arranged on an inner supporting assembly in a sleeving mode, alignment time consumption and operation difficulty are reduced, the steel coil is fixed through the inner supporting assembly and a bottom fixing assembly, the sliding risk is reduced, and an arc-shaped plate rotates around the axis to be attached to the side face of the steel coil to form lateral protection; and the end face fixing plate is embedded and connected in a reinforced mode, and the problem of cracking caused by vibration and inclination in the transferring process is effectively avoided.

The utility model discloses a small eave steel support machining mould which comprises a bottom frame, a side limiting piece, a transverse supporting piece and an inclined position adjusting piece, the side limiting piece, the transverse supporting piece and the inclined position adjusting piece are connected to the bottom frame, a vertical component is supported and limited through the side limiting piece, a transverse component is upwards supported and laterally limited through the transverse supporting piece, and a C-shaped piece is adjusted through a rotatable rotating plate. By means of the machining mould, angle steel supports which are designed to be the same in size and have the same straight line segment specification and size can be rapidly machined in batches in a factory, line production can be formed, the manual operation process is simple, the precision error value is controllable, and the production efficiency is improved. The time for manual moving and repeated assembling and aligning can be saved to a certain extent, and the working efficiency and the welding quality are improved.

The utility model relates to the technical field of lifting appliances, and provides a C-shaped lifting appliance for stable lifting, which comprises a hook body, the hook body is provided with a C-shaped groove with a side opening, the hook body is provided with a lower beam part, the lower beam part is positioned on the lower side of the C-shaped groove, and the lower beam part is used for being inserted into a central hole of a steel coil and supporting the steel coil in the lifting process; the first sliding block is arranged on the lower beam part in a lifting sliding manner; the swinging plate is arranged on the first sliding block in a swinging mode, one end of the first elastic piece acts on the lower beam part, the other end of the first elastic piece acts on the first sliding block, and the first elastic piece is used for elastically pushing the first sliding block and then driving the swinging plate to upwards enter the C-shaped groove. By means of the technical scheme, the technical problems that in the prior art, a C-shaped hook shakes at the initial stage of steel coil hoisting, so that alignment is difficult, efficiency is lowered, labor intensity is increased, and the risk that steel coils fall off is caused are solved, and the C-shaped hook can adapt to slight deviation generated by equipment vibration or wind power interference at the initial stage of steel coil hoisting.

The present application discloses a method, device and storage medium for image alignment in wafer defect detection. The method comprises: selecting a reference grain and a grain to be detected from a key area of ​​a wafer; performing image alignment on the first image and the second image initially captured when the grain to be detected and the reference grain are at the same position, respectively, to obtain an initial offset; performing local alignment on the first image and the second image captured after the grain to be detected and the reference grain are at the same position, respectively, based on the initial offset, and calculating a local alignment score and a local alignment offset; and determining the final alignment result according to the local alignment score, the local alignment offset and a double preset threshold value, so as to achieve image alignment in wafer defect detection. By using the scheme of the present application, the amount of calculation can be reduced, the calculation efficiency can be improved, and rapid alignment of images in wafer defect detection can be achieved.

The utility model discloses a kind of slitting mechanism for slicing machine, belong to slicing machine technical field, a kind of slitting mechanism for slicing machine, including mounting bracket and sliding frame, slitting entry is provided on mounting bracket, a pair of push-pull sliding slot is opened in the inside of mounting bracket, the slider of push-pull sliding slot sliding connection is provided in the left and right ends of sliding frame, cutter assembly is also provided on sliding frame, when sliding frame is completely pushed into mounting bracket, the front end surface of sliding frame is parallel with the front side wall of mounting bracket and coplanar, the front side outer wall of mounting bracket is slidably connected with limit row, the utility model is positioned by the sliding guide and magnetic attraction force auxiliary of limit row, when sliding frame is completely pushed into mounting bracket and limit row slides to the highest point of sliding slot, the threaded hole one of limit row, the threaded hole two of mounting bracket and the threaded groove of sliding frame are automatically coaxial collinear, without artificial repeated adjustment position, significantly improve assembly efficiency.

The invention relates to the technical field of fabricated buildings, and discloses a large-span arched steel corrugated plate structure hoisting alignment device which comprises a plurality of arc-shaped hoisting plates symmetrically arranged front and back, a corrugated steel plate body is placed on the lower sides of the arc-shaped hoisting plates, and matched magnetic hoisting plates corresponding to the arc-shaped hoisting plates are arranged on the inner wall of the corrugated steel plate body. The front side and the rear side of the outer wall of the corrugated steel plate body are each provided with two sets of embedded hollow bolts. The large-span arched steel corrugated plate structure hoisting alignment device can effectively solve the problems that in the prior art, a traditional hoisting tool is difficult to resist external force interference such as hoisting inertia and wind power, so that the hoisting tool shakes, the position of a corrugated steel plate deviates, point contact enables stress to be concentrated on a hoisting point, the hoisting point is sunken and wrinkled, and the integrity of a component is affected; in the prior art, single hoisting needs repeated operations of multiple hoisting, adjusting and falling, so that the hoisting period is greatly prolonged, and the problems of fatigue of a hoisting tool and abrasion of a steel wire rope in the repeated hoisting process are also caused.

The invention discloses a pod rapid self-alignment method based on multi-sensor joint estimation, and relates to the technical field of safety management, and the method comprises the following steps: I, initializing a multi-source sensor and collecting environment information; iI, constructing an adaptive filtering structure and estimating the initial attitude of the pod; iII, analyzing the causal relationship of the multi-source observation data and evaluating the credibility of the multi-source observation data; iV, correcting the postures of the pods and eliminating redundant information in the multi-source observation data; the method can significantly shorten the overall alignment time, improve the system starting efficiency, avoid the influence of single sensor failure or noise increase on the system, improve the data fusion effect, dynamically adjust the filtering structure according to the actual operation condition, improve the adaptability to the complex environment, and improve the reliability of the system. A non-linear noise mode which is difficult to find by a traditional statistical method can be identified, abnormal data are stripped through a noise index positioning and data reconstruction mode, and the observation data quality is improved.

The application provides a luggage rack and a vehicle, and aims at at least solving the problem of difficult assembly of the luggage rack. The luggage rack is installed on a roof of the vehicle. The luggage rack comprises a main body, a decoration and a light-emitting part. The main body is buckled with the decoration to form an installation cavity with a ring-shaped peripheral wall. The light-emitting part is arranged in the installation cavity. During installation, the light-emitting part is arranged in the installation cavity, and then the decoration is buckled with the main body, so that the installation is completed. The installation difficulty is reduced, the assembly speed is improved, and the production efficiency is improved.

This utility model relates to the field of maintenance equipment technology and discloses a linear sliding table type mobile maintenance centering platform, including a platform base. Universal casters are evenly installed around the bottom of the platform base, and a tool storage compartment is provided at the top of the platform base. An installation platform is located on top of the platform base, and the installation platform is connected to the platform base via a set of lifting cylinders. This utility model uses a lifting cylinder assembly to connect the platform base and the installation platform, making the lifting of the installation platform more flexible and convenient. The lifting handle allows for adjustment to the optimal ergonomic operating height, accommodating operators of different heights and preventing muscle injury. A ball screw assembly drives two fitter platforms to move relative to each other, enabling direct engagement and rapid centering of equipment one and equipment two mounted on the fitter platforms, saving significant centering time, ensuring installation accuracy, and meeting user needs based on different equipment types.

The utility model relates to the field of power battery structures, and discloses a module quick disassembly and assembly structure and a battery pack thereof, the module quick disassembly and assembly structure comprises a fixed box and a battery cell module mounted in the fixed box, the fixed box comprises a lower box body and an upper cover, a first mounting part and a second mounting part which are clamped with each other are arranged between the lower box body and the battery cell module, the first mounting part and the second mounting part are respectively mounted at the bottom of the battery cell module and the upper part of the lower box body, a containing groove for containing the battery cell module is formed in the upper part of the lower box body, the second mounting part is mounted in the containing groove, and a self-locking chuck is arranged at the lower end of the first mounting part; and the second mounting part comprises an outer shell and a pressing unlocking device for controlling the self-locking chuck to be locked or unlocked. In practical application, the problems of difficulty in dismounting and mounting and low dismounting and mounting efficiency of the battery cell module in the prior art are solved.

The utility model provides a prefabricated pipe welding auxiliary tool which is characterized in that a placing surface is arranged at the top of a base, and a flange to be welded is placed on the placing surface; the mounting rack is L-shaped, the horizontally arranged part of the mounting rack is arranged at the top end of the vertically arranged part, the bottom end of the vertically arranged part of the mounting rack is fixed on the placing surface, and the top end of the horizontally arranged part of the mounting rack is arranged above the placing surface; the auxiliary frame is arranged at the top end of the horizontally-arranged part of the mounting frame, an auxiliary face is arranged on the auxiliary frame and is parallel to the placing face, and the pipe to be welded abuts against the auxiliary face. By arranging the placing face and the auxiliary face which are perpendicular to each other, the flange and the pipe are perpendicular to each other, meanwhile, the pipe can lean against the auxiliary face to be vertically arranged, the two hands of a constructor are liberated, the construction efficiency is improved, and the parallel design of the L-shaped installation frame and the auxiliary face forms a rigid positioning structure; visual errors and manual jitter influences are effectively eliminated, and later adjustment is further reduced.

The invention relates to the field of coal mine drilling machines and discloses a power head structure, comprising a gearbox, a main shaft, a connecting shaft, a water braid and a chuck, wherein the main shaft is arranged inside the gearbox, the connecting shaft is arranged inside the main shaft, the water braid is arranged at one end of the connecting shaft, the chuck is arranged at the end of the main shaft away from the water braid, the end of the chuck away from the water braid is provided with a front end cover, the chuck and the front end cover are jointly provided with an active drill rod, and the chuck can axially limit the active drill rod, the front end cover can drive the active drill rod to rotate, the active drill rod is connected to the end of the connecting shaft away from the water braid, and the active drill rod can pass through the front end cover, the chuck and the main shaft; when the active drill rod needs to be disassembled, it only needs to loosen the chuck, the active drill rod, the connecting shaft and the water braid can be quickly taken out of the rear end of the gearbox, and then the new active drill rod, the connecting shaft and the water braid can be installed in the main shaft, thereby completing the replacement of the active drill rod, reducing the uncontrollable factors in the replacement process and increasing the construction efficiency.

This utility model relates to air conditioners, specifically providing an indoor unit and an air conditioner, aiming to solve the problem of difficult assembly and maintenance in confined spaces by addressing the installation structure of the air guide plate drive assembly. To this end, the indoor unit of this utility model includes: a mechanism box, including a first connecting portion, the first connecting portion including a first limiting hole; and a cover, including a second connecting portion, the second connecting portion including a first positioning post; the first positioning post passes through the first limiting hole, so that the mechanism box is connected to the cover. This utility model achieves pre-positioning installation through the insertion and engagement of the first positioning post and the first limiting hole, significantly reducing the alignment adjustment time during fastening of the connecting parts, achieving precise guided installation in the confined space of the air conditioner, and providing a stable mechanical reference for subsequent connection of connecting parts, making the connection between the mechanism box and the cover more reliable and easier to assemble.

The utility model discloses an embedded anti-digging iron tooth, which aims at providing the embedded anti-digging iron tooth with high strength and strong durability, and has the technical scheme that the embedded anti-digging iron tooth comprises two strip-shaped base plates which are parallel and have the same length, a connecting beam is arranged between the two base plates, and iron teeth with trapezoidal prism structures are arranged at the connecting ends of the two base plates and the connecting beam; a reinforcing layer is arranged on the bottom face of the base plate and composed of a plurality of metal wires arranged transversely and pressing rods arranged longitudinally, and the metal wires are limited to the bottom of the base plate through the pressing rods and prevented from falling off. The caterpillar band iron tooth is suitable for the technical field of caterpillar band iron teeth.

The invention relates to the technical field of offshore wind power construction, and discloses a method for hoisting and transporting a conductor frame by a fixed-arm crane ship, which is carried out in the following steps: S1, ship positioning: calculating the anchoring point of the conductor frame transport ship, and performing anchoring positioning after the transport ship arrives at the wind farm, determining the anchoring point of the fixed-arm crane ship and positioning it, and the transport ship and the fixed-arm crane ship are berthed in a "one" shape, and the central axis of the fixed arm is aligned with the central line of the conductor frame; S2, sling hanging: fixing the sling and the shackle on the lifting point of the conductor frame in advance, adjusting the position of the fixed arm so that the hook is located above the conductor frame, and hanging the sling on the hook; S3, conductor frame hoisting: hoisting the conductor frame, hoisting the conductor frame after cutting off the conductor frame transport tooling, and the transport ship withdraws; S4, conductor frame alignment installation: positioning the fixed-arm crane ship, lowering the conductor frame to the top surface of the engineering pile, and slowly lowering the conductor frame to confirm that all the conductor frame legs are inserted into the engineering pile.

The utility model relates to the technical field of profile steel framework connection, in particular to a steel bar component quick connector suitable for a profile steel framework, which comprises a first framework component and a second framework component, the second framework component is positioned at the top of the first framework component, and the first framework component comprises a support column; a guide block is installed at the top of the wide side wall of the supporting column, the top of the guide block exceeds the top face of the supporting column, a first positioning plate is arranged at the top of the side, away from the guide block, of the supporting column, and a positioning hole is formed in the top face of the first positioning plate in a penetrating mode; the second positioning plate and the first positioning plate are oppositely arranged, a connecting hole is formed in the top face of the second positioning plate in a penetrating mode, a first connecting piece is arranged between the second framework component and the first framework component, the first connecting piece penetrates through the positioning hole and the connecting hole at the same time, and the alignment time of the two reinforcing steel bar components can be shortened.