CN112223177A

CN112223177A - Auxiliary assembly tool for airtight floor test piece

Info

Publication number: CN112223177A
Application number: CN202011082386.7A
Authority: CN
Inventors: 王美娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-11
Filing date: 2020-10-11
Publication date: 2021-01-15

Abstract

An auxiliary assembly tool for airtight floor test pieces comprises a welding frame, a horizontal adjusting jackscrew component, a clamping plate appearance positioning structure, a clear side stop pin positioning structure, a clear side double-stop block positioning structure, a lower end face positioning structure, a reinforcing rib lower end face positioning structure and a reinforcing rib upper end face positioning structure, the clamping plate shape positioning structure consists of four groups of positioning clamping plates, a first connecting angle steel, a locking bolt and a locking nut, the clean side stop pin positioning structure consists of an angle steel-shaped positioning piece, an OTP bushing and a positioning stop pin, the clean edge double-stop block positioning structure consists of a clean edge stop block bottom plate, a U-shaped clean edge stop block, a first bent handle bolt and a first handle locking screw, the lower end face positioning structures of the reinforcing ribs are provided with four groups according to the assembly positions of the reinforcing ribs, and the upper end face positioning structures of the reinforcing ribs are provided with four groups according to the assembly positions of the reinforcing ribs. The invention provides an auxiliary assembly tool which is high in positioning precision and rapid and accurate in positioning.

Description

Auxiliary assembly tool for airtight floor test piece

Technical Field

The invention relates to an auxiliary assembly tool, in particular to an auxiliary assembly tool for clamping, positioning, drilling and riveting assembly of an airtight floor test piece.

Background

The assembly belongs to a normal process to the machine-building field, and to the assembly mode, generally speaking, by multiple assembly means: firstly, manual assembly is directly carried out through a positioning hole; secondly, assembling is carried out through an automatic production line, and positioning accuracy is guaranteed by a positioning robot or a mechanical arm; thirdly, equipment such as a machine tool and the like is assembled by high-precision instruments such as an interferometer; fourth, assembly is performed by an auxiliary assembly jig or the like. Therefore, according to different assembling procedures and requirements, different assembling process schemes can be made, and different assembling methods are adopted. The assembly method is characterized in that for the assembly of batch parts, when assembling means such as hole making or screwing, riveting and welding are needed in an assembly process, a special auxiliary assembly tool is used, the assembly method is a common implementation means, the auxiliary assembly tool is used for assembling the parts, the overall investment and the use cost are lower compared with an automatic production line, but the assembly efficiency and the positioning precision requirement can be greatly improved compared with single-piece manual assembly, and therefore the assembly method is an effective assembly method in a specific field and a specific occasion.

To an airtight floor test piece, by the floor spare of a strip enhancement border, a dull and stereotyped transition piece, four reinforcing rib spare of half frame are fixed a position the riveting assembly, each part is fixed a position through appearance and clean limit basically, through designing a special assistance-localization real-time frock that is used for this airtight floor test piece, can accomplish the location of several parts fast, the clamping, it is fixed, the cooperation system hole, the assembly work, can promote assembly work efficiency greatly, and simultaneously, assistance-assembler installs and makes simply, can promote the work of assembly process greatly.

Disclosure of Invention

The invention aims to provide an auxiliary assembly tool for an airtight floor test piece, which can greatly improve the assembly work efficiency of the airtight floor test piece and improve the assembly precision of a product, thereby reducing the production cost and improving the product quality.

In order to achieve the purpose, the invention provides the following technical scheme:

an auxiliary assembly tool for an airtight floor test piece comprises a welding frame, a horizontal adjusting jackscrew assembly, a clamping plate appearance positioning structure, a clear side stop pin positioning structure, a clear side double-stop block positioning structure, a lower end face positioning structure, a reinforcing rib lower end face positioning structure and a reinforcing rib upper end face positioning structure, wherein a welding frame main body is formed by welding square steel tubes, a bottom base plate, a TB block mounting plate, a clamping plate connecting mounting plate, a clear side stop pin positioning structure mounting plate, a clear side double-stop block positioning structure mounting plate, a lower end face positioning structure mounting plate, a reinforcing rib lower end face positioning structure mounting plate and a reinforcing rib upper end face positioning structure mounting plate are further welded according to space assembly size requirements, and the welding frame is a vertical plane frame; the horizontal adjusting jackscrew component consists of a bottom plate with a nest, an adjusting jackscrew and a locking large nut, the welding frame is supported on the bottom plate with the nest through the adjusting jackscrew, and the bottom plate with the nest and the adjusting jackscrew are fixed on the ground by epoxy after the horizontal adjustment is in place; the clamping plate appearance positioning structure comprises four groups of positioning clamping plates, first connecting angle steels, locking bolts and locking nuts, wherein two surfaces of each positioning clamping plate are parallel, three reference holes are formed in each positioning clamping plate, OTP (one time programmable) bushings are pressed in the three reference holes, a curved positioning surface is further processed on each clamping plate according to the positions of the reference holes, an avoidance area for avoiding a reinforcing edge strip is further formed on each positioning surface, each positioning clamping plate is fixed on the welding frame through an upper connecting angle steel and a lower connecting angle steel, the positioning clamping plates and the first connecting angle steels are connected through a group of locking bolts and locking nuts, and a gasket can be added between each first connecting angle steel and the welding frame and fixed through a bolt pin structure; the net side stop pin positioning structure comprises an angle steel-shaped positioning piece, an OTP bushing and a positioning stop pin, three datum holes and a positioning stop pin bottom hole are processed on the vertical surface of the angle steel-shaped positioning piece, the position relation between the three datum holes and the positioning stop pin bottom hole is strictly guaranteed, the OTP bushing is pressed in the three datum holes, the positioning stop pin is installed on the positioning stop pin bottom hole in an interference fit manner, and the angle steel-shaped positioning piece is fixed on the welding frame through a screw pin structure; the double-stop-block positioning structure for the clean edge comprises a clean edge stop bottom plate, a U-shaped clean edge stop, a first bent handle bolt and a first handle locking screw, wherein the clean edge stop bottom plate is an integral machine added part, a first boss positioning block and three reference holes are machined in the integral machine added part, OTP (one time programmable) bushings are pressed in the three reference holes, one side edge of the first boss positioning block is a positioning surface, the U-shaped clean edge stop is detachably mounted on the clean edge stop bottom plate through the first bent handle bolt and the first handle locking screw, one side edge of the U-shaped clean edge stop is a positioning surface, the positioning surface of the U-shaped clean edge stop needs to ensure the position relation among the three reference holes of the clean edge stop bottom plate, and the clean edge stop bottom plate is fixed on the welding frame through a screw pin structure; the lower end face positioning structure is composed of three groups of positioning flat plates and OTP bushings, two faces of each positioning flat plate are ground to be parallel, three datum holes are machined, the OTP bushings are pressed in the three datum holes, each positioning flat plate is fixed on the welding frame through a screw pin structure, and after assembly is completed, the three groups of positioning flat plates and the upper plane of the clean edge stop block bottom plate need to be coplanar and the flatness is guaranteed to be within 0.1; the lower end face positioning structure of the reinforcing rib is provided with four groups according to the assembly positions of the reinforcing rib, the lower end face positioning structure of each group of reinforcing rib consists of a lower end face positioning piece of the reinforcing rib, a first positioning bolt, a second handle locking screw, a first clamping device, a second clamping device and an OTP (one time programmable) bushing, the lower end face positioning piece of each group of reinforcing rib is an angle steel type welding piece, two angle square faces are vertical, one face is a connecting face, the other face is a reference positioning face, three reference holes are processed on the reference positioning face of the lower end face positioning piece of the reinforcing rib, the OTP bushing is arranged in the three reference holes in a pressing mode, a second boss positioning piece is further arranged on the reference positioning face, one side face of the second boss positioning piece is a lower end positioning face, the lower end face positioning face of the reinforcing rib is vertical to the reference positioning face and ensures a certain position relation with the three reference holes, The second handle locking screw is detachably arranged on the welding frame, a first clamping device is further arranged on the reference positioning surface of the lower end face positioning piece of the reinforcing rib, the clamping direction of the first clamping device is perpendicular to the lower end face positioning surface of the reinforcing rib, a second clamping device is further arranged on the side edge of the lower end face positioning piece of the reinforcing rib, and the clamping direction of the second clamping device faces to the positioning surface of the positioning clamping plate; the reinforcing rib upper end face positioning structure is provided with four groups according to the assembly position of the reinforcing rib, each group of reinforcing rib upper end face positioning structure consists of a reinforcing rib upper end face positioning piece, a second positioning bolt, a third handle locking screw, a third clamping device, a fourth clamping device, a reinforcing rib angle steel end face positioning piece and an angle steel support piece, the reinforcing rib upper end face positioning piece is an angle steel type welding piece, two angle square faces are vertical, the reinforcing rib upper end face positioning piece is detachably arranged on the welding frame through the second positioning bolt and the third handle locking screw, the reinforcing rib angle steel end face positioning piece and the angle steel support piece are arranged on the lower plane of the reinforcing rib upper end face positioning piece, three datum holes are processed on the reinforcing rib angle steel end face positioning piece, OTP (one time programmable) bushings are pressed in the three datum holes, and the reinforcing rib angle steel end face positioning piece, the angle iron supporting piece is arranged right opposite to the reinforcing rib angle iron end face positioning piece, the third clamping device is arranged on the angle iron supporting piece, the clamping direction of the third clamping device is perpendicular to the reinforcing rib angle iron end face positioning piece, the fourth clamping device is arranged on the side face of the reinforcing rib upper end face positioning piece, and the clamping direction of the fourth clamping device faces to the positioning face of the positioning clamping plate.

As a further scheme of the invention: the clear edge double-stop positioning structure is characterized in that a clear edge stop bottom plate, a U-shaped clear edge stop, a first bent handle bolt and a first handle locking screw form a first boss positioning block, the clear edge stop bottom plate can be an integral machining part and can also adopt a bolt connection mode of two separating parts, when the integral machining structure mode is adopted, materials around the first boss positioning block are required to be completely destressed after being cut off, the bottom surface is shone to be used as a reference, three reference holes are bored, the upper plane is finely machined, the parallelism between the upper plane and the bottom surface is guaranteed to be within 0.05, and one side edge of a platform positioning block is machined to meet the size requirement; when the two separating pieces are in a threaded connection mode, the clear edge stop bottom plate can be regarded as two separating pieces of a flat plate and a first boss positioning block, the two surfaces of the flat plate are ground to better ensure the plane parallelism, and after the first boss positioning block is in a threaded connection mode with a pin through a countersunk head screw, one side edge of the positioning block of the reprocessing platform of the three reference holes is bored to meet the size requirement; after the bottom plate of the clean edge stop block is processed in place according to any one of the process schemes, the U-shaped clean edge stop block is installed in place, a coordinate system is established by the three reference holes, and the outer side positioning surface of the U-shaped clean edge stop block is subjected to finish machining, so that the position relation between the outer side positioning surface and the three reference holes can be ensured.

As a further scheme of the invention: the welding frame is formed by welding square steel pipes, is a vertical plane frame, is also welded with six bottom base plates according to the space assembly size requirement and is used for being connected with an adjusting jackscrew assembly, three TB mounting plates, eight clamping plates, a clear side stop pin positioning structure mounting plate, a clear side double stop positioning structure mounting plate, three lower end surface positioning structure mounting plates, four reinforcing rib lower end surface positioning structure mounting plates and four reinforcing rib upper end surface positioning structure mounting plates; the frame is formed by welding square steel pipes and steel plates, and after tempering is completed, the frame is machined to a corresponding size by a numerical control machine.

As another embodiment of the present invention: the auxiliary assembly fixture for the airtight floor test piece has the following manufacturing and assembly process requirements that a clamping plate appearance positioning structure, a clear side stop pin positioning structure, a clear side double-stop block positioning structure, a lower end face positioning structure, a reinforcing rib lower end face positioning structure and a reinforcing rib upper end face positioning structure are all required to be assembled in definite space, all positioning pieces are required to respectively ensure the requirements of three datum holes and corresponding positioning profiles and hole positions, the required profile degree of a general profile is controlled within 0.2, and the required position degree of the hole positions is controlled within 0.1; the three TB blocks are arranged at three corners of the frame, a coordinate system is established by utilizing a laser tracker according to the three-two principle, the coverage of the system can be ensured, then, the clamping plate shape positioning structure, the clear edge stop pin positioning structure, the clear edge double-block positioning structure, the lower end face positioning structure, the reinforcing rib lower end face positioning structure and the reinforcing rib upper end face positioning structure can be adjusted and installed in a space correct state according to the OTP value in a theoretical state respectively, the positioning precision can be basically controlled within 0.2, and after the assembly is finished, the positioning clamping plate and the like can verify the assembly accuracy through the theoretical digital-analog deviation value of the positioning surface.

Compared with the prior art, the invention has the beneficial effects that: the auxiliary assembly fixture of the airtight floor test piece is applicable to the rapid positioning assembly of the airtight floor test piece consisting of a floor piece with a reinforcing edge strip, a flat plate transition piece and four reinforcing rib pieces with half frames, can finish rapid positioning and clamping, is high in positioning precision, high in efficiency and low in manufacturing cost of the auxiliary fixture, and can be used for drilling and assembling.

Drawings

FIG. 1 is a schematic structural view of an auxiliary assembly fixture for an airtight floor test piece according to the present invention.

Fig. 2 is a schematic structural view of an auxiliary assembly fixture (another axial view) for an airtight floor test piece according to the present invention.

FIG. 3 is a schematic view of a welding frame structure of the auxiliary assembly fixture for the airtight floor test piece of the present invention.

FIG. 4 is a schematic diagram of the positioning structure of the clamping plate shape of the auxiliary assembly fixture for the airtight floor test piece of the present invention.

FIG. 5 is a schematic view of a clean-edge double-stop-block positioning structure and a reinforcing-rib lower end-face positioning structure of the auxiliary assembly fixture for the airtight floor test piece of the present invention.

Fig. 6 is a schematic structural view of a clean-edge double-stop positioning structure (top view) of the auxiliary assembly fixture for the airtight floor test piece of the present invention.

FIG. 7 is a schematic view of the positioning structure of the lower end face of the reinforcing rib of the auxiliary assembly fixture for the airtight floor test piece of the present invention.

FIG. 8 is a schematic view of the positioning structure of the upper end face of the reinforcing rib and the positioning structure of the clear side stop pin of the auxiliary assembly fixture for the airtight floor test piece according to the present invention.

FIG. 9 is a schematic view of the positioning structure of the upper end face of the reinforcing rib of the auxiliary assembly fixture for the airtight floor test piece of the present invention.

In the figure: 1-welding frame, 2-horizontal adjusting jackscrew component, 3-clamping plate shape positioning structure, 4-clear edge stop pin positioning structure, 5-clear edge double-stop positioning structure, 6-reinforcing rib lower end surface positioning structure, 7-lower end surface positioning structure, 8-reinforcing rib upper end surface positioning structure, 9-TB block, 302-avoidance zone, 303-first connecting angle steel, 304-locking bolt, 305-locking nut, 306-positioning clamping plate, 401-angle steel positioning piece, 402-positioning stop pin, 501-clear edge stop bottom plate, 502-U-shaped clear edge stop, 503-first crank bolt, 504-first handle locking screw, 505-bushing, 506-first boss positioning block, 601-lower end surface positioning piece, 602-a reference positioning surface of a positioning piece of the lower end face of the reinforcing rib, 603-a first positioning bolt, 604-a second handle locking screw, 605-a first clamp, 606-a second clamp, 607-a second boss positioning block, 801-a positioning piece of the upper end face of the reinforcing rib, 802-a second positioning bolt, 803-a third handle locking screw, 804-a positioning piece of the end face of the reinforcing rib, 806-an angle steel supporting piece, 807-a third clamp, 808-a fourth clamp,

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1 to 9, an auxiliary assembly fixture for an airtight floor test piece comprises a welding frame 1, a horizontal adjustment jackscrew assembly 2, a clamping plate appearance positioning structure 3, a clear side stop pin positioning structure 4, a clear side double stop block positioning structure 5, a lower end face positioning structure 7, a reinforcing rib lower end face positioning structure 6 and a reinforcing rib upper end face positioning structure 8, wherein a main body of the welding frame is formed by welding square steel tubes, and is further welded with a bottom base plate, a TB block mounting plate, a clamping plate connecting mounting plate, a clear side stop pin positioning structure mounting plate, a clear side double stop block positioning structure mounting plate, a lower end face positioning structure mounting plate, a reinforcing rib lower end face positioning structure mounting plate and a reinforcing rib upper end face positioning structure mounting plate according to the space assembly size requirement, and the welding frame is a vertical plane frame; the horizontal adjusting jackscrew component consists of a bottom plate with a nest, an adjusting jackscrew and a locking large nut, the welding frame is supported on the bottom plate with the nest through the adjusting jackscrew, and the bottom plate with the nest and the adjusting jackscrew are fixed on the ground by epoxy after the horizontal adjustment is in place; the clamp plate shape positioning structure is composed of four groups of positioning clamp plates 306, first connecting angle steels 303, locking bolts 304 and locking nuts 305, two surfaces of each positioning clamp plate are parallel, three datum holes are machined in each positioning clamp plate, OTP (one time programmable) bushings are pressed in the three datum holes, a curved positioning surface is further machined on each clamp plate according to the positions of the datum holes, an avoidance area 302 for avoiding a reinforcing edge strip is further formed on each positioning clamp plate, each positioning clamp plate is fixed on the welding frame through an upper connecting angle steel and a lower connecting angle steel, the positioning clamp plates and the first connecting angle steels are connected through a group of locking bolts and locking nuts, and a gasket can be added between each first connecting angle steel and the welding frame and fixed through a bolt pin structure; the clear side stop pin positioning structure comprises an angle steel-shaped positioning piece 401, an OTP (one time programmable) bushing and a positioning stop pin 402, three datum holes and a positioning stop pin bottom hole are processed on the vertical surface of the angle steel-shaped positioning piece, the three datum holes and the positioning stop pin bottom hole strictly ensure the position relation, the OTP bushing is pressed in the three datum holes, the positioning stop pin is arranged on the positioning stop pin bottom hole in an interference fit manner, and the angle steel-shaped positioning piece is fixed on the welding frame through a screw pin structure; the clear edge double-stop positioning structure comprises a clear edge stop bottom plate 501, a U-shaped clear edge stop 502, a first bent handle bolt 503 and a first handle locking screw 504, wherein the clear edge stop bottom plate is an integral machining added part, a first boss positioning block 506 and three reference holes are machined in the clear edge stop bottom plate, an OTP bushing 505 is pressed in the three reference holes, one side edge of the first boss positioning block 506 is a positioning surface, the U-shaped clear edge stop is detachably mounted on the clear edge stop bottom plate through the first bent handle bolt and the first handle locking screw, one side edge of the U-shaped clear edge stop is a positioning surface, the positioning surface of the U-shaped clear edge stop needs to ensure the position relation among the three reference holes of the clear edge stop bottom plate, and the clear edge stop bottom plate is fixed on the welding frame through a screw pin structure; the lower end face positioning structure is composed of three groups of positioning flat plates and OTP bushings, two faces of each positioning flat plate are ground to be parallel, three datum holes are machined, the OTP bushings are pressed in the three datum holes, each positioning flat plate is fixed on the welding frame through a screw pin structure, and after assembly is completed, the three groups of positioning flat plates and the upper plane of the clean edge stop block bottom plate need to be coplanar and the flatness is guaranteed to be within 0.1; the lower end face positioning structure of the reinforcing rib is provided with four groups according to the assembly position of the reinforcing rib, each group of lower end face positioning structure of the reinforcing rib is composed of a lower end face positioning piece 601 of the reinforcing rib, a first positioning bolt 603, a second handle locking screw 604, a first clamp 605, a second clamp 606 and an OTP bushing, the lower end face positioning piece of the reinforcing rib is an angle steel type welding piece, two angle square faces are vertical, one face is a connecting face, the other face is a reference positioning face, three reference holes are processed on the reference positioning face 602 of the lower end face positioning piece of the reinforcing rib, the OTP bushing is pressed in the three reference holes, a second boss positioning block 607 is further arranged on the reference positioning face, one side face of the second boss positioning block is a lower end positioning face of the reinforcing rib, the lower end face positioning face is vertical to the reference positioning face and ensures a certain position relation with the three reference holes, the lower end face positioning piece of the reinforcing rib is detachably arranged on the welding frame through a first positioning bolt and a second handle locking screw, a first clamping device is further arranged on a reference positioning surface of the lower end face positioning piece of the reinforcing rib, the clamping direction of the first clamping device is perpendicular to the lower end positioning surface of the reinforcing rib, a second clamping device is further arranged on the side edge of the lower end face positioning piece of the reinforcing rib, and the clamping direction of the second clamping device faces to the positioning surface of the positioning clamping plate; the reinforcing rib upper end face positioning structure is provided with four groups according to the assembly position of the reinforcing rib, each group of reinforcing rib upper end face positioning structure is composed of a reinforcing rib upper end face positioning piece 801, a second positioning bolt 802, a third handle locking screw 803, a third clamping device 807, a fourth clamping device 808, a reinforcing rib angle steel end face positioning piece 804 and an angle steel support piece 806, the reinforcing rib upper end face positioning piece is an angle steel type welding piece, two angle square faces are vertical, the reinforcing rib upper end face positioning piece is detachably arranged on the welding frame through the second positioning bolt and the third handle locking screw, the reinforcing rib angle steel end face positioning piece and the angle steel support piece are arranged on the lower plane of the reinforcing rib upper end face positioning piece, three reference holes are processed on the reinforcing rib angle steel end face positioning piece, OTP bushings are pressed on the three reference holes, and the reinforcing rib angle steel end face positioning piece is arranged in place, the angle iron supporting piece is arranged right opposite to the reinforcing rib angle iron end face positioning piece, the third clamping device is arranged on the angle iron supporting piece, the clamping direction of the third clamping device is perpendicular to the reinforcing rib angle iron end face positioning piece, the fourth clamping device is arranged on the side face of the reinforcing rib upper end face positioning piece, and the clamping direction of the fourth clamping device faces to the positioning face of the positioning clamping plate.

The clear edge double-stop positioning structure is characterized in that a clear edge stop bottom plate, a U-shaped clear edge stop, a first bent handle bolt and a first handle locking screw form a first boss positioning block, the clear edge stop bottom plate can be an integral machining part and can also adopt a bolt connection mode of two separating parts, when the integral machining structure mode is adopted, materials around the first boss positioning block are required to be completely destressed after being cut off, the bottom surface is shone to be used as a reference, three reference holes are bored, the upper plane is finely machined, the parallelism between the upper plane and the bottom surface is guaranteed to be within 0.05, and one side edge of a platform positioning block is machined to meet the size requirement; when the two separating pieces are in a threaded connection mode, the clear edge stop bottom plate can be regarded as two separating pieces of a flat plate and a first boss positioning block, the two surfaces of the flat plate are ground to better ensure the plane parallelism, and after the first boss positioning block is in a threaded connection mode with a pin through a countersunk head screw, one side edge of the positioning block of the reprocessing platform of the three reference holes is bored to meet the size requirement; after the bottom plate of the clean edge stop block is processed in place according to any one of the process schemes, the U-shaped clean edge stop block is installed in place, a coordinate system is established by the three reference holes, and the outer side positioning surface of the U-shaped clean edge stop block is subjected to finish machining, so that the position relation between the outer side positioning surface and the three reference holes can be ensured.

The welding frame is formed by welding square steel pipes, is a vertical plane frame, is also welded with six bottom base plates according to the space assembly size requirement and is used for being connected with an adjusting jackscrew assembly, three TB mounting plates, eight clamping plates, a clear side stop pin positioning structure mounting plate, a clear side double stop positioning structure mounting plate, three lower end surface positioning structure mounting plates, four reinforcing rib lower end surface positioning structure mounting plates and four reinforcing rib upper end surface positioning structure mounting plates; the frame is formed by welding square steel pipes and steel plates, and after tempering is completed, the frame is machined to a corresponding size by a numerical control machine.

The auxiliary assembly fixture for the airtight floor test piece has the following manufacturing and assembly process requirements that a clamping plate appearance positioning structure, a clear side stop pin positioning structure, a clear side double-stop block positioning structure, a lower end face positioning structure, a reinforcing rib lower end face positioning structure and a reinforcing rib upper end face positioning structure are all required to be assembled in definite space, all positioning pieces are required to respectively ensure the requirements of three datum holes and corresponding positioning profiles and hole positions, the required profile degree of a general profile is controlled within 0.2, and the required position degree of the hole positions is controlled within 0.1; the three TB blocks 9 are arranged at three corners of the frame, a coordinate system is established by utilizing a laser tracker according to the three-two-one principle, the coverage of the system can be ensured, then, the clamping plate shape positioning structure, the clear edge stop pin positioning structure, the clear edge double-stop block positioning structure, the lower end face positioning structure, the reinforcing rib lower end face positioning structure and the reinforcing rib upper end face positioning structure can be adjusted and installed in a space correct state according to the OTP value in a theoretical state respectively, the positioning precision can be basically controlled within 0.2, and after the assembly is finished, the positioning clamping plate and the like can verify the assembly accuracy through the theoretical digital-analog deviation value of the positioning surface.

The auxiliary assembly tool for the airtight floor test piece has the following working principle and mode that a floor piece with a reinforcing flange strip is placed into the auxiliary assembly tool, the lower part of the floor piece leans against a plane formed by the lower end face positioning structure 7, the rear part of the floor piece is tightly attached to the positioning clamping plate of the clamping plate appearance positioning structure 3, an avoidance area processed on the positioning clamping plate just avoids the reinforcing flange strip part, the upper end of the side edge leans against the positioning guide pin of the clean edge stop pin positioning structure 4, and the lower end of the side edge leans against the side edge positioning surface of the first boss positioning block of the clean edge double-stop block positioning structure 5; the four half-frame reinforcing rib pieces are positioned and clamped by the lower end face positioning structure 6 of the reinforcing rib and the upper end face positioning structure 8 of the reinforcing rib, and are just attached to the floor piece with the reinforcing edge strip. And subsequently carrying out hole making, riveting and other work.

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. An auxiliary assembly tool for an airtight floor test piece is characterized by comprising a welding frame, a horizontal adjusting jackscrew assembly, a clamping plate appearance positioning structure, a clear side stop pin positioning structure, a clear side double stop block positioning structure, a lower end face positioning structure, a reinforcing rib lower end face positioning structure and a reinforcing rib upper end face positioning structure, wherein a welding frame main body is formed by welding square steel pipes, and is further welded with a bottom base plate, a TB block mounting plate, a clamping plate connecting mounting plate, a clear side stop pin positioning structure mounting plate, a clear side double stop block positioning structure mounting plate, a lower end face positioning structure mounting plate, a reinforcing rib lower end face positioning structure mounting plate and a reinforcing rib upper end face positioning structure mounting plate according to the space assembly size requirement, and the welding frame is a vertical plane frame; the horizontal adjusting jackscrew component consists of a bottom plate with a nest, an adjusting jackscrew and a locking large nut, the welding frame is supported on the bottom plate with the nest through the adjusting jackscrew, and the bottom plate with the nest and the adjusting jackscrew are fixed on the ground by epoxy after the horizontal adjustment is in place; the clamping plate appearance positioning structure comprises four groups of positioning clamping plates, first connecting angle steels, locking bolts and locking nuts, wherein two surfaces of each positioning clamping plate are parallel, three reference holes are formed in each positioning clamping plate, OTP (one time programmable) bushings are pressed in the three reference holes, a curved positioning surface is further processed on each clamping plate according to the positions of the reference holes, an avoidance area for avoiding a reinforcing edge strip is further formed on each positioning surface, each positioning clamping plate is fixed on the welding frame through an upper connecting angle steel and a lower connecting angle steel, the positioning clamping plates and the first connecting angle steels are connected through a group of locking bolts and locking nuts, and a gasket can be added between each first connecting angle steel and the welding frame and fixed through a bolt pin structure; the net side stop pin positioning structure comprises an angle steel-shaped positioning piece, an OTP bushing and a positioning stop pin, three datum holes and a positioning stop pin bottom hole are processed on the vertical surface of the angle steel-shaped positioning piece, the position relation between the three datum holes and the positioning stop pin bottom hole is strictly guaranteed, the OTP bushing is pressed in the three datum holes, the positioning stop pin is installed on the positioning stop pin bottom hole in an interference fit manner, and the angle steel-shaped positioning piece is fixed on the welding frame through a screw pin structure; the double-stop-block positioning structure for the clean edge comprises a clean edge stop bottom plate, a U-shaped clean edge stop, a first bent handle bolt and a first handle locking screw, wherein the clean edge stop bottom plate is an integral machine added part, a first boss positioning block and three reference holes are machined in the integral machine added part, OTP (one time programmable) bushings are pressed in the three reference holes, one side edge of the first boss positioning block is a positioning surface, the U-shaped clean edge stop is detachably mounted on the clean edge stop bottom plate through the first bent handle bolt and the first handle locking screw, one side edge of the U-shaped clean edge stop is a positioning surface, the positioning surface of the U-shaped clean edge stop needs to ensure the position relation among the three reference holes of the clean edge stop bottom plate, and the clean edge stop bottom plate is fixed on the welding frame through a screw pin structure; the lower end face positioning structure is composed of three groups of positioning flat plates and OTP bushings, two faces of each positioning flat plate are ground to be parallel, three datum holes are machined, the OTP bushings are pressed in the three datum holes, each positioning flat plate is fixed on the welding frame through a screw pin structure, and after assembly is completed, the three groups of positioning flat plates and the upper plane of the clean edge stop block bottom plate need to be coplanar and the flatness is guaranteed to be within 0.1; the lower end face positioning structure of the reinforcing rib is provided with four groups according to the assembly positions of the reinforcing rib, the lower end face positioning structure of each group of reinforcing rib consists of a lower end face positioning piece of the reinforcing rib, a first positioning bolt, a second handle locking screw, a first clamping device, a second clamping device and an OTP (one time programmable) bushing, the lower end face positioning piece of each group of reinforcing rib is an angle steel type welding piece, two angle square faces are vertical, one face is a connecting face, the other face is a reference positioning face, three reference holes are processed on the reference positioning face of the lower end face positioning piece of the reinforcing rib, the OTP bushing is arranged in the three reference holes in a pressing mode, a second boss positioning piece is further arranged on the reference positioning face, one side face of the second boss positioning piece is a lower end positioning face, the lower end face positioning face of the reinforcing rib is vertical to the reference positioning face and ensures a certain position relation with the three reference holes, The second handle locking screw is detachably arranged on the welding frame, a first clamping device is further arranged on the reference positioning surface of the lower end face positioning piece of the reinforcing rib, the clamping direction of the first clamping device is perpendicular to the lower end face positioning surface of the reinforcing rib, a second clamping device is further arranged on the side edge of the lower end face positioning piece of the reinforcing rib, and the clamping direction of the second clamping device faces to the positioning surface of the positioning clamping plate; the reinforcing rib upper end face positioning structure is provided with four groups according to the assembly position of the reinforcing rib, each group of reinforcing rib upper end face positioning structure consists of a reinforcing rib upper end face positioning piece, a second positioning bolt, a third handle locking screw, a third clamping device, a fourth clamping device, a reinforcing rib angle steel end face positioning piece and an angle steel support piece, the reinforcing rib upper end face positioning piece is an angle steel type welding piece, two angle square faces are vertical, the reinforcing rib upper end face positioning piece is detachably arranged on the welding frame through the second positioning bolt and the third handle locking screw, the reinforcing rib angle steel end face positioning piece and the angle steel support piece are arranged on the lower plane of the reinforcing rib upper end face positioning piece, three datum holes are processed on the reinforcing rib angle steel end face positioning piece, OTP (one time programmable) bushings are pressed in the three datum holes, and the reinforcing rib angle steel end face positioning piece, the angle iron supporting piece is arranged right opposite to the reinforcing rib angle iron end face positioning piece, the third clamping device is arranged on the angle iron supporting piece, the clamping direction of the third clamping device is perpendicular to the reinforcing rib angle iron end face positioning piece, the fourth clamping device is arranged on the side face of the reinforcing rib upper end face positioning piece, and the clamping direction of the fourth clamping device faces to the positioning face of the positioning clamping plate.

2. The auxiliary assembly tool for the airtight floor test piece according to claim 1, wherein: the clear edge double-stop positioning structure is characterized in that a clear edge stop bottom plate, a U-shaped clear edge stop, a first bent handle bolt and a first handle locking screw form a first boss positioning block, the clear edge stop bottom plate can be an integral machining part and can also adopt a bolt connection mode of two separating parts, when the integral machining structure mode is adopted, materials around the first boss positioning block are required to be completely destressed after being cut off, the bottom surface is shone to be used as a reference, three reference holes are bored, the upper plane is finely machined, the parallelism between the upper plane and the bottom surface is guaranteed to be within 0.05, and one side edge of a platform positioning block is machined to meet the size requirement; when the two separating pieces are in a threaded connection mode, the clear edge stop bottom plate can be regarded as two separating pieces of a flat plate and a first boss positioning block, the two surfaces of the flat plate are ground to better ensure the plane parallelism, and after the first boss positioning block is in a threaded connection mode with a pin through a countersunk head screw, one side edge of the positioning block of the reprocessing platform of the three reference holes is bored to meet the size requirement; after the bottom plate of the clean edge stop block is processed in place according to any one of the process schemes, the U-shaped clean edge stop block is installed in place, a coordinate system is established by the three reference holes, and the outer side positioning surface of the U-shaped clean edge stop block is subjected to finish machining, so that the position relation between the outer side positioning surface and the three reference holes can be ensured.

3. The auxiliary assembly tool for the airtight floor test piece according to claim 1, wherein: the welding frame is formed by welding square steel pipes, is a vertical plane frame, is also welded with six bottom base plates according to the space assembly size requirement and is used for being connected with an adjusting jackscrew assembly, three TB mounting plates, eight clamping plates, a clear side stop pin positioning structure mounting plate, a clear side double stop positioning structure mounting plate, three lower end surface positioning structure mounting plates, four reinforcing rib lower end surface positioning structure mounting plates and four reinforcing rib upper end surface positioning structure mounting plates; the frame is formed by welding square steel pipes and steel plates, and after tempering is completed, the frame is machined to a corresponding size by a numerical control machine.

4. The auxiliary assembling tool for airtight floor test piece according to claim 1, 2 or 3, wherein: the auxiliary assembly fixture for the airtight floor test piece has the following manufacturing and assembly process requirements that a clamping plate appearance positioning structure, a clear side stop pin positioning structure, a clear side double-stop block positioning structure, a lower end face positioning structure, a reinforcing rib lower end face positioning structure and a reinforcing rib upper end face positioning structure are all required to be assembled in definite space, all positioning pieces are required to respectively ensure the requirements of three datum holes and corresponding positioning profiles and hole positions, the required profile degree of a general profile is controlled within 0.2, and the required position degree of the hole positions is controlled within 0.1; the three TB blocks are arranged at three corners of the frame, a coordinate system is established by utilizing a laser tracker according to the three-two principle, the coverage of the system can be ensured, then, the clamping plate shape positioning structure, the clear edge stop pin positioning structure, the clear edge double-block positioning structure, the lower end face positioning structure, the reinforcing rib lower end face positioning structure and the reinforcing rib upper end face positioning structure can be adjusted and installed in a space correct state according to the OTP value in a theoretical state respectively, the positioning precision can be basically controlled within 0.2, and after the assembly is finished, the positioning clamping plate and the like can verify the assembly accuracy through the theoretical digital-analog deviation value of the positioning surface.