CN112296603A

CN112296603A - Top wallboard shape-preserving positioning tool and manufacturing process

Info

Publication number: CN112296603A
Application number: CN202011081059.XA
Authority: CN
Inventors: 王美娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-11
Filing date: 2020-10-11
Publication date: 2021-02-02

Abstract

A shape-preserving positioning tool for a top wall plate comprises a welding frame, four sets of triangular support frames, four sets of shape-preserving positioning assemblies, four sets of support seat assemblies, a TB (TB) reference block and a rotary lifting ring, wherein each shape-preserving positioning assembly comprises an installation bottom plate, a thin gasket, a main shape-preserving positioning structural part, two L-shaped slide rail parts, a high-strength hinged screw pin, a positioning bolt, an OTP (one time programmable) bushing, four shoulder bushings and a high-strength connecting bolt and nut assembly; the four rotary lifting rings are fixed on four rotary lifting ring mounting plates of the welding frame. The invention provides a shape-preserving positioning tool for a top wallboard, which has the advantages of simple structure and ideal manufacturing manufacturability and assembly manufacturability.

Description

Top wallboard shape-preserving positioning tool and manufacturing process

Technical Field

The invention relates to a shape-preserving positioning tool and a manufacturing process method, in particular to a shape-preserving positioning tool for a top wallboard assembly and a manufacturing process.

Background

For thin wallboard assemblies, especially for large-size thin wallboard assemblies, after the thin wallboard assemblies are manufactured into finished products and semi-finished products by a forming processing method, due to the problems of insufficient rigidity, easy deformation, large size, inconvenience in fixing and clamping and the like, great difficulty exists in the processes of shape maintaining, hoisting, assembling and the like in the transportation and assembly processes.

Therefore, for different thin wallboard assemblies, by means of a special shape-preserving positioning tool, the shape-preserving protection of a product can be realized, and meanwhile, the special shape-preserving positioning tool is convenient to clamp, position, fix and lift, and is beneficial to a series of subsequent transportation, assembly and other work.

The invention designs a set of special shape-preserving positioning tool for the top wallboard aiming at a large top wallboard assembly of a barrel section part so as to match the shape-preserving positioning, transportation, assembly auxiliary positioning and other functions of the large top wallboard assembly.

Disclosure of Invention

In order to solve the problems that thin wallboard assemblies are easy to deform, inconvenient to clamp, transport and assemble and the like, the invention provides a top wallboard shape-preserving positioning tool which is simple in structure, strong in implementation manufacturability and convenient to use for top wallboard assemblies.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a shape-preserving positioning tool for a top wall plate is composed of a welding frame, four sets of triangular support frames, four sets of shape-preserving positioning assemblies, four sets of support seat assemblies, TB reference blocks and rotary lifting rings, wherein the welding frame is welded into a cuboid shape by square steel pipes, the middle part of the welding frame is reinforced in strength by reinforced square steel pipes, a reference bottom plate is welded on the bottom surface of the welding frame, four TB block mounting plates and four rotary lifting ring mounting plates are welded on the upper plane of the welding frame, and the shape-preserving positioning assembly mounting plates and the triangular support frame mounting plates are respectively welded on two long side surfaces of the welding frame in an axial symmetry mode from the center to; the triangular support frame is formed by welding three square steel tubes, three main body connecting plates and one supporting seat assembly connecting plate, and is fixedly connected to the welding frame through the three main body connecting plates; the shape preserving positioning assembly is coaxially and symmetrically provided with four groups, the shape preserving positioning assembly is composed of an installation bottom plate, thin gaskets, a main shape preserving positioning structural part, two L-shaped slide rail parts, a high-strength hinged screw pin, a positioning bolt, an OTP (one time programmable) bushing, four shouldered bushings and a high-strength connecting bolt nut component, the installation bottom plate is fixedly installed on the shape preserving positioning assembly installation plate of the welding frame through a screw pin structure, the thin gaskets convenient for gap adjustment are arranged between the installation bottom plate and the shape preserving positioning assembly installation plate, the two L-shaped slide rail parts are symmetrically installed on the installation bottom plate through the screw pin structure, the main shape preserving positioning structural part is L-shaped and divided into two parts, the long side part of the L-shaped part is a slide rail square structural part, the L-shaped long side part is in clearance fit with the two L-shaped slide rail parts, and the center of the slide rail square, The main shape-preserving positioning structural part is slidably sleeved on the two L-shaped sliding rail parts, a positioning bolt positions the main shape-preserving positioning structural part through a positioning hole, two high-strength hinged screw pins position and fix the main shape-preserving positioning structural part through the waist-shaped long groove hole, OTP bushes are arranged on the three OTP reference bottom holes in an interference fit manner, the short edge part of the L-shaped main shape-preserving positioning structural part is a supporting and positioning structure, the lower end face of the L-shaped main shape-preserving positioning structural part is processed into a positioning and shape-preserving face, protective rubber is uniformly pasted on the positioning and shape-preserving face, four connecting bottom holes are further processed on the short edge part of the L-shaped main shape-preserving positioning structural part, four shoulder bushes are arranged on the connecting bottom holes in an interference fit manner, and four groups of high-strength connecting bolt nut assemblies are used for; the supporting seat assembly comprises a supporting seat substrate and a universal supporting bearing seat, the supporting seat substrate is fixedly arranged on the triangular supporting frame, two sides of the supporting seat substrate are parallel, three second OTP bottom holes are formed in the supporting seat substrate, and the universal supporting bearing seat is arranged in the middle of the supporting seat substrate in an interference fit manner; the TB reference block is fixed on a TB block mounting plate of the welding frame through a screw pin structure; the four rotary lifting rings are fixed on four rotary lifting ring mounting plates of the welding frame.

Furthermore, the welding frame is formed by welding square steel pipes into a cuboid, a reference bottom plate, four TB block mounting plates, four rotary lifting ring mounting plates, four shape-preserving positioning assembly mounting plates and twelve triangular support frame mounting plates are welded according to space size requirements, natural aging is carried out due to large size after welding, all the reference bottom plates are exposed out of a gantry machine tool to be a plane, the four TB block mounting plates are machined to be a plane, the four rotary lifting ring mounting plates are machined to be a plane, and the four shape-preserving positioning assembly mounting plates and the twelve triangular support frame mounting plates are machined to be perpendicular to the plane of the reference bottom plate respectively; the four TB block mounting plates are arranged at four corners at the outermost side of the upper plane of the welding frame, the maximum range coverage principle of a coordinate system is followed, the four rotary lifting ring mounting plates are arranged in an axisymmetric manner, the gravity center balance principle is followed, the twelve triangular support frame mounting plates are arranged at the outermost side of the long side face of the welding frame, and the twelve triangular support frame mounting plates are axisymmetric, so that the interference with a product is avoided; the triangular support frame is formed by welding three square steel pipes, three main body connecting plates and one supporting seat component connecting plate, after tempering, the three main body connecting plates are processed to be a plane, and the plane of the supporting seat component connecting plate is processed to be perpendicular to the plane of the three main body connecting plates.

Still further, among the shape preserving locating component, the mounting plate is square steel plate, and two plane grinding are fixed through thin shape gasket installation on welding frame's shape preserving locating component mounting panel, and the thickness and the angle accessible machine of thin shape gasket, grinding are adjusted, and the position installation of the mounting plate of being convenient for, main shape preserving location structure spare is the whole machine and adds the structure, adopts high strength alloy steel, and structural strength requires highly, and when the numerical control machine added, with the glide plane of main shape preserving location structure spare L type long limit and mounting plate contact as ground, three OTP benchmark bottom outlet is processed as the original point benchmark, through five-axis equipment, processes out locating hole, waist shape long slot hole, location shape face, four connection bottom outlets respectively, and guarantees that the interrelationship accords with tolerance design requirement.

Preferably, the manufacturing process method of the top wall plate conformal positioning tool comprises the steps of assembling a welding frame and a triangular support frame into a whole after welding, tempering or aging and machining are completed, installing subsequent components by adopting SMART, positioning the positions of four TB reference blocks according to the maximum system coverage principle, establishing a space coordinate system according to the positions of the TB reference blocks, adjusting four sets of conformal positioning components to be in place according to OTP values, conveniently installing and adjusting thin gaskets arranged between the conformal positioning components and the welding frame, and adjusting four support seat substrates to be in place according to the OTP values.

Preferably, the top wall plate shape-preserving positioning tool requires to perform loading tests under two different working conditions of a hoisting state and a supporting state according to the requirements of the use working conditions, and the clamping positioning and testing requirements of the loading tests are strictly according to the requirements of design and related specifications.

Preferably, the top wallboard shape-preserving positioning tool is symmetrically provided with a fixed shaft assembly for overturning at two short side edges of the welding frame, the fixed shaft assembly is composed of a flange type central shaft and a connecting plate, the fixed shaft assembly is fixedly arranged on the welding frame in a detachable mode, two shafts of the two fixed shaft assemblies which are symmetrical left and right are concentric, and the welding frame can be placed on a simple overturning mechanism through the fixed shaft assembly and used for overturning the welding frame by 360 degrees.

The invention has the following beneficial effects: the invention provides a shape-preserving positioning tool for a top wall plate, which has a simple structure and strong manufacturability and assembly, can play a role in shape-preserving positioning, and can be used as a conversion interface for transportation and assembly.

The tool is optimized through manufacturing and assembling processes, the requirement on the manufacturing precision of parts can be lowered, the assembling process is simple and convenient, the parts can be assembled in place only through grinding the gasket, the high-precision five-axis machining cost can be lowered, and meanwhile, the production and manufacturing period can be shortened.

Drawings

FIG. 1 is a schematic structural view of a shape-retaining positioning tool for a top wall plate according to the present invention

FIG. 2 is a schematic structural view (front view) of the top wall conformal positioning tool of the present invention

FIG. 3 is a schematic structural view (side view) of the top wall conformal positioning tool of the present invention

FIG. 4 is a schematic view of the conformal positioning assembly of the top wall plate conformal positioning tool of the present invention

FIG. 5 is a schematic view of a triangular support frame structure of the shape-retaining and positioning tool for the top wall plate of the invention

FIG. 6 is a schematic view of a support seat assembly of the shape-retaining positioning tool for a top wall plate according to the present invention

FIG. 7 is a schematic diagram illustrating the loading requirements of the top wall plate conformal positioning tool in a hoisting state

FIG. 8 is a schematic view of the support state loading requirements of the top wall conformal positioning tool of the present invention

1-welding frame, 2-conformal positioning assembly, 3-triangular support frame, 4-support base assembly, 5-TB datum block, 6-rotary lifting ring, 201-mounting bottom plate, 202-thin gasket, 203-main conformal positioning structural member, 204-OTP bush, 205-slide rail surface, 206-waist-shaped long slotted hole, 207-L-shaped slide rail member, 208-positioning bolt, 209-shouldered bush, 210-high-strength connecting bolt and nut assembly, 211-protective rubber, 301-square steel pipe, 302-main body connecting plate, 303-support base assembly connecting plate, 401-support base plate, 402-second OTP bottom hole and 403-universal support bearing base.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

Referring to fig. 1 to 8, a shape-preserving positioning tool for a top wall plate is composed of a welding frame 1, four sets of triangular support frames 3, four sets of shape-preserving positioning assemblies 2, four sets of support seat assemblies 4, a TB datum block 5 and a rotary lifting ring 6, wherein the welding frame is formed by welding square steel pipes into a rectangular shape, the middle of the welding frame is reinforced in strength through reinforced square steel pipes, a datum bottom plate is welded on the bottom surface of the welding frame, four TB block mounting plates and four rotary lifting ring mounting plates are welded on the upper plane of the welding frame, and shape-preserving positioning assembly mounting plates and triangular support frame mounting plates are respectively welded on two long side surfaces of the welding frame in axial symmetry from the center to; the triangular support frame is formed by welding three square steel tubes 301, three main body connecting plates 302 and one supporting seat assembly connecting plate 303, and is fixedly connected to the welding frame through the three main body connecting plates; the shape-preserving positioning assembly is coaxially and symmetrically provided with four groups, and comprises an installation bottom plate 201, a thin gasket 202, a main shape-preserving positioning structural member 203, two L-shaped sliding rail members 207, a high-strength hinged screw pin, a positioning bolt 208, an OTP (one time programmable) bushing 204, four shouldered bushings 209 and a high-strength connecting bolt-nut assembly 210, wherein the installation bottom plate is fixedly installed on a shape-preserving positioning assembly installation plate of the welding frame through a screw pin structure, the thin gasket convenient for gap adjustment is arranged between the installation bottom plate and the shape-preserving positioning assembly installation plate, the two L-shaped sliding rail members are symmetrically installed on the installation bottom plate through the screw pin structure, the main shape-preserving positioning structural member is L-shaped and divided into two parts, the long side part of the L-shaped part is a sliding rail square structural part, the gap fit sliding sleeve is arranged between the two L-shaped sliding rail members, and a positioning hole is arranged in the center of, The main shape-preserving positioning structure is slidably sleeved on the two L-shaped sliding rail parts through a sliding rail surface 205, a positioning bolt positions the main shape-preserving positioning structure through a positioning hole, two high-strength hinged screw pins position and fix the main shape-preserving positioning structure through the waist-shaped long groove hole, OTP bushes are arranged on the three OTP reference bottom holes in an interference fit manner, the short side part of the L-shaped main shape-preserving positioning structure is a supporting and positioning structure, the lower end face of the L-shaped main shape-preserving positioning structure is processed into a positioning and shape-preserving face, protective rubber 211 is uniformly adhered to the positioning and shape-preserving face, four connecting bottom holes are further processed on the short side part of the L-shaped main shape-preserving positioning structure, four bushings with shoulders are arranged on the connecting bottom holes in an interference fit manner, and four groups of high-strength connecting bolt nut assemblies are used for fixing and positioning products; the supporting seat assembly is composed of a supporting seat substrate 401 and a universal supporting bearing seat 403, the supporting seat substrate is fixedly mounted on the triangular supporting frame, two sides of the supporting seat substrate are parallel, three second OTP bottom holes 402 are formed in the supporting seat substrate, and the universal supporting bearing seat is mounted in the middle of the supporting seat substrate in an interference fit mode; the TB reference block is fixed on a TB block mounting plate of the welding frame through a screw pin structure; the four rotary lifting rings are fixed on four rotary lifting ring mounting plates of the welding frame.

The welding frame is formed by welding square steel pipes into a cuboid, a reference bottom plate, four TB block mounting plates, four rotary lifting ring mounting plates, four shape-preserving positioning assembly mounting plates and twelve triangular support frame mounting plates are welded according to space size requirements, after welding, natural aging is carried out due to large size, all the reference bottom plates are exposed out of a gantry machine tool to be a plane, the four TB block mounting plates are machined to be a plane, the four rotary lifting ring mounting plates are machined to be a plane, and the four shape-preserving positioning assembly mounting plates and the twelve triangular support frame mounting plates are machined to be perpendicular to the plane of the reference bottom plate respectively; the four TB block mounting plates are arranged at four corners at the outermost side of the upper plane of the welding frame, the maximum range coverage principle of a coordinate system is followed, the four rotary lifting ring mounting plates are arranged in an axisymmetric manner, the gravity center balance principle is followed, the twelve triangular support frame mounting plates are arranged at the outermost side of the long side face of the welding frame, and the twelve triangular support frame mounting plates are axisymmetric, so that the interference with a product is avoided; the triangular support frame is formed by welding three square steel pipes, three main body connecting plates and one supporting seat component connecting plate, after tempering, the three main body connecting plates are processed to be a plane, and the plane of the supporting seat component connecting plate is processed to be perpendicular to the plane of the three main body connecting plates.

Among the shape preserving locating component, mounting plate is square steel plate, and two plane grinding is fixed through the installation of thin shape gasket on welding frame's shape preserving locating component mounting panel, the thickness and the angle accessible machine of thin shape gasket add, the grinding is adjusted, and the mounting plate's of being convenient for position installation, main shape preserving location structure spare adds the structure for the whole machine, adopts high strength alloy steel, and structural strength requires highlyer, and the numerical control machine adds the time, uses the long limit of main shape preserving location structure spare L type gliding surface that contacts with mounting plate to be ground, processes out three OTP benchmark bottom outlet and is the original point benchmark, through five-axis equipment, processes out locating hole, waist shape long slot hole, location shape face, four connection bottom outlets respectively, and guarantees that the interrelation accords with the drawing tolerance design requirement.

According to the manufacturing process method of the shape-preserving positioning tool for the top wall plate, after the welding frame and the triangular support frame are welded, tempered or aged and machined, the part processing requirements of the welding frame and the triangular support frame are assembled into a whole in the way described above, subsequent assembly of parts and components is installed by adopting SMART (SMART technology), the positions of four TB reference blocks are positioned according to the maximum system range covering principle, a space coordinate system is established according to the positions of the TB reference blocks, four sets of shape-preserving positioning assemblies are adjusted in place according to OTP (one time programmable) values, a thin gasket arranged between the shape-preserving positioning assemblies and the welding frame is convenient to install and adjust, and then four support seat substrates are adjusted in place according to the OTP values And (5) repairing. The manufacturing process method formed by the mode is a process implementation scheme with the simplest processing mode, the lowest requirement on a machine tool and the most reasonable assembly mode.

The top wallboard shape-preserving positioning tool requires a loading test under two different working conditions of a hoisting state and a supporting state according to the use working condition requirement, and the clamping positioning and test requirements of the loading test are strictly according to the design and related standard requirements. For a schematic diagram of the related loading and the mechanical requirements of the loading, please refer to fig. 7 and fig. 8.

One working mode of the embodiment is to hoist the top wallboard shape-preserving positioning tool to the corresponding top wallboard, and fixedly connect the top wallboard with the top wallboard shape-preserving positioning tool, and certainly, a simple turnover device is adopted to overturn the top wallboard shape-preserving positioning tool by 180 degrees through an optimal scheme, so that the process of turnover needs hoisting matching, and when the turnover is in place, a limiting device is needed to fix. After the overturning action is completed on the top wallboard, the top wallboard is directly placed in the shape-preserving positioning tool on the top wallboard from top to bottom, the fixing positioning connection can be conveniently carried out, and the tool is hoisted to a working position after the simple overturning device overturns 180 degrees. Four sets of supporting seat subassembly 4's design can realize the product location with frock fixed positioning on the assembly jig to develop the riveted work of assembly in later stage.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A shape-preserving positioning tool for a top wall plate is characterized by comprising a welding frame, four sets of triangular support frames, four sets of shape-preserving positioning assemblies, four sets of support seat assemblies, TB reference blocks and rotary lifting rings, wherein the welding frame is formed by welding square steel pipes into a rectangular shape, the middle part of the welding frame is reinforced in strength through reinforced square steel pipes, a reference bottom plate is welded on the bottom surface of the welding frame, four TB block mounting plates and four rotary lifting ring mounting plates are welded on the upper plane of the welding frame, and the shape-preserving positioning assembly mounting plates and the triangular support frame mounting plates are respectively welded on two long side surfaces of the welding frame in an axial symmetry mode from the center to the outer; the triangular support frame is formed by welding three square steel tubes, three main body connecting plates and one supporting seat assembly connecting plate, and is fixedly connected to the welding frame through the three main body connecting plates; the shape preserving positioning assembly is coaxially and symmetrically provided with four groups, the shape preserving positioning assembly is composed of an installation bottom plate, thin gaskets, a main shape preserving positioning structural part, two L-shaped slide rail parts, a high-strength hinged screw pin, a positioning bolt, an OTP (one time programmable) bushing, four shouldered bushings and a high-strength connecting bolt nut component, the installation bottom plate is fixedly installed on the shape preserving positioning assembly installation plate of the welding frame through a screw pin structure, the thin gaskets convenient for gap adjustment are arranged between the installation bottom plate and the shape preserving positioning assembly installation plate, the two L-shaped slide rail parts are symmetrically installed on the installation bottom plate through the screw pin structure, the main shape preserving positioning structural part is L-shaped and divided into two parts, the long side part of the L-shaped part is a slide rail square structural part, the L-shaped long side part is in clearance fit with the two L-shaped slide rail parts, and the center of the slide rail square, The main shape-preserving positioning structural part is slidably sleeved on the two L-shaped sliding rail parts, a positioning bolt positions the main shape-preserving positioning structural part through a positioning hole, two high-strength hinged screw pins position and fix the main shape-preserving positioning structural part through the waist-shaped long groove hole, OTP bushes are arranged on the three OTP reference bottom holes in an interference fit manner, the short edge part of the L-shaped main shape-preserving positioning structural part is a supporting and positioning structure, the lower end face of the L-shaped main shape-preserving positioning structural part is processed into a positioning and shape-preserving face, protective rubber is uniformly pasted on the positioning and shape-preserving face, four connecting bottom holes are further processed on the short edge part of the L-shaped main shape-preserving positioning structural part, four shoulder bushes are arranged on the connecting bottom holes in an interference fit manner, and four groups of high-strength connecting bolt nut assemblies are used for; the supporting seat assembly comprises a supporting seat substrate and a universal supporting bearing seat, the supporting seat substrate is fixedly arranged on the triangular supporting frame, two sides of the supporting seat substrate are parallel, three second OTP bottom holes are formed in the supporting seat substrate, and the universal supporting bearing seat is arranged in the middle of the supporting seat substrate in an interference fit manner; the TB reference block is fixed on a TB block mounting plate of the welding frame through a screw pin structure; the four rotary lifting rings are fixed on four rotary lifting ring mounting plates of the welding frame.

2. The top panel conformal positioning tooling of claim 1, wherein: the welding frame is formed by welding square steel pipes into a cuboid, a reference bottom plate, four TB block mounting plates, four rotary lifting ring mounting plates, four shape-preserving positioning assembly mounting plates and twelve triangular support frame mounting plates are welded according to space size requirements, after welding, natural aging is carried out due to large size, all the reference bottom plates are exposed out of a gantry machine tool to be a plane, the four TB block mounting plates are machined to be a plane, the four rotary lifting ring mounting plates are machined to be a plane, and the four shape-preserving positioning assembly mounting plates and the twelve triangular support frame mounting plates are machined to be perpendicular to the plane of the reference bottom plate respectively; the four TB block mounting plates are arranged at four corners at the outermost side of the upper plane of the welding frame, the maximum range coverage principle of a coordinate system is followed, the four rotary lifting ring mounting plates are arranged in an axisymmetric manner, the gravity center balance principle is followed, the twelve triangular support frame mounting plates are arranged at the outermost side of the long side face of the welding frame, and the twelve triangular support frame mounting plates are axisymmetric, so that the interference with a product is avoided; the triangular support frame is formed by welding three square steel pipes, three main body connecting plates and one supporting seat component connecting plate, after tempering, the three main body connecting plates are processed to be a plane, and the plane of the supporting seat component connecting plate is processed to be perpendicular to the plane of the three main body connecting plates.

3. The top panel conformal positioning tooling of claim 1, wherein: among the shape preserving locating component, mounting plate is square steel plate, and two plane grinding is fixed through the installation of thin shape gasket on welding frame's shape preserving locating component mounting panel, the thickness and the angle accessible machine of thin shape gasket add, the grinding is adjusted, and the mounting plate's of being convenient for position installation, main shape preserving location structure spare adds the structure for the whole machine, adopts high strength alloy steel, and structural strength requires highlyer, and the numerical control machine adds the time, uses the long limit of main shape preserving location structure spare L type gliding surface that contacts with mounting plate to be ground, processes out three OTP benchmark bottom outlet and is the original point benchmark, through five-axis equipment, processes out locating hole, waist shape long slot hole, location shape face, four connection bottom outlets respectively, and guarantees that the interrelation accords with the drawing tolerance design requirement.

4. The top wall panel conformal positioning tool of claim 1, 2 or 3, wherein: according to the manufacturing process method of the top wallboard shape-preserving positioning tool, a welding frame and a triangular support frame are assembled into a whole after welding, tempering or aging and machining are completed, assembly of subsequent components is carried out by adopting SMART, the positions of four TB reference blocks are positioned according to the maximum range covering principle of a system, a space coordinate system is established according to the positions of the TB reference blocks, four sets of shape-preserving positioning components are adjusted and installed in place according to OTP values, a thin gasket arranged between the shape-preserving positioning components and the welding frame is convenient to install and adjust, and then four support seat substrates are adjusted in place according to the OTP values.

5. The top wall panel conformal positioning tool of claim 1, 2 or 3, wherein: the top wallboard shape-preserving positioning tool requires a loading test under two different working conditions of a hoisting state and a supporting state according to the use working condition requirement, and the clamping positioning and test requirements of the loading test are strictly according to the design and related standard requirements.

6. The top wall panel conformal positioning tool of claim 1, 2 or 3, wherein: the top wallboard shape-preserving positioning tool is characterized in that two short side edges of a welding frame are symmetrically provided with a fixed shaft assembly for overturning, the fixed shaft assembly is composed of a flange type central shaft and a connecting plate, the flange type central shaft and the connecting plate are fixedly arranged on the welding frame in a detachable mode, two shafts of the two fixed shaft assemblies which are symmetrical left and right are concentric, and the welding frame can be placed on a simple overturning mechanism through the fixed shaft assembly and used for 360-degree overturning of the welding frame.