CN110369891A - The production method of taper box structure - Google Patents

The production method of taper box structure Download PDF

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Publication number
CN110369891A
CN110369891A CN201910466986.4A CN201910466986A CN110369891A CN 110369891 A CN110369891 A CN 110369891A CN 201910466986 A CN201910466986 A CN 201910466986A CN 110369891 A CN110369891 A CN 110369891A
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China
Prior art keywords
plate
gusset
upper cover
cover plate
taper
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Granted
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CN201910466986.4A
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Chinese (zh)
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CN110369891B (en
Inventor
代俊
王法斌
李焕明
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Wuhan Marine Machinery Plant Co Ltd
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Wuhan Marine Machinery Plant Co Ltd
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Priority to CN201910466986.4A priority Critical patent/CN110369891B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

The invention discloses a kind of production methods of taper box structure, belong to structural member production field.Method includes: to provide upper cover plate, taper box plate, ring, gusset group, side seal board, lower plate, bottom sealing plate and small gusset;Taper box plate, ring and gusset group are respectively assembled to the front of upper cover plate;Weld the weld seam between taper box plate, ring and upper cover plate;Side seal board and lower plate are respectively assembled to the front of upper cover plate;Weld upper cover plate, taper box plate and ring respectively between gusset group, upper cover plate and gusset group respectively between side seal board and ring and gusset the group weld seam between lower plate respectively;Bottom sealing plate and small gusset welding equipment are obtained into taper cabinet main structure to the front of upper cover plate respectively, bottom sealing plate is covered in gusset group, and the big end of bottom sealing plate is connect with side seal board, and the small end of bottom sealing plate and the peripheral wall of lower plate connect;It anneals to taper cabinet main structure, forms taper box structure.

Description

The production method of taper box structure
Technical field
The present invention relates to structural member production field, in particular to a kind of production method of taper box structure.
Background technique
Full-rotating rudder screw includes sequentially connected propulsion unit (such as propeller), turning unit and brake assembly. Turning unit includes rotating shaft, pivoting support and the taper box structure for installing rotating shaft and pivoting support.Taper cabinet Structural member includes upper cover plate and the inside and outside two-ply for being arranged in upper cover plate single side.Inner plating is conic tube, the upper end of lamina rara externa For straight barrel, lower end is conic tube.There is the criss-cross gusset reinforced with anastomosis between two-ply.
In the implementation of the present invention, the inventor finds that the existing technology has at least the following problems: since upper cover plate is pacified On hull, the weight of entire full-rotating rudder screw is by its receiving, and taper cabinet and rotating shaft be there are matching relationship, The required precision of taper box structure is relatively high.But entire member welding joints up to 400 are a plurality of, weld seam is more and big, weldering The control for connecing deformation is highly difficult.
Summary of the invention
The embodiment of the invention provides a kind of production methods of taper box structure, can come to the welded bands of gusset group Deformation play the role of reduction.The technical solution is as follows:
The present invention provides a kind of production methods of taper box structure, which comprises
Upper cover plate, taper box plate, ring, gusset group, side seal board, lower plate, bottom sealing plate and small gusset, institute are provided Upper cover plate is stated equipped with stepped hole, the taper box plate and the bottom sealing plate are conical shell, and the side seal board is item Shape plate, the lower plate are annulus;
The taper box plate, the ring and the gusset group are respectively assembled to the front of the upper cover plate, it is described Taper box plate is covered on the stepped hole, and the ring is installed on the small end of the taper box plate, and the gusset group includes Several gussets, the first end of each gusset are located at the upper cover plate, and the second end of each gusset is located at the taper cabinet It plate and offsets with the ring, the stepped hole, the taper cabinet and the ring are coaxial;
Weld the weld seam between the taper box plate, the ring and the upper cover plate;
The side seal board and the lower plate are respectively assembled to the front of the upper cover plate, several gussets are located at institute State in side seal board and the first end of each gusset offset with the side seal board respectively, the lower plate be arranged on which ring and It is covered in the gusset group;
Weld the upper cover plate, the taper box plate and the ring between the gusset group, described upper cover respectively Plate and the gusset group is between the side seal board respectively and the ring and the gusset group respectively with the lower plate it Between weld seam;
The bottom sealing plate and the small gusset welding equipment are obtained into taper cabinet main body to the front of the upper cover plate respectively Structure, the bottom sealing plate are covered in the gusset group, and the big end of the bottom sealing plate is connect with the side seal board, the bottom The small end of portion's sealing plate is connect with the peripheral wall of the lower plate, and the small gusset is located in the taper box plate and is located on described The front of cover board;
It anneals to the taper cabinet main structure, forms taper box structure.
Optionally, the taper box plate, the ring and the gusset group are respectively assembled to the upper cover described Before the front of plate, the method also includes:
Pre- reversible deformation processing is carried out to the upper cover plate.
Optionally, it is described the side seal board and the lower plate are respectively assembled to the front of the upper cover plate before, The method also includes:
The side seal board is rolled, so that the side seal board can enclose as cylinder;
The part of additional length in the side seal board is removed, one end reserved target of the side seal board after removing additional length is long The assembly made allowance of degree.
Optionally, the front that the side seal board and the lower plate are respectively assembled to the upper cover plate, comprising:
Side seal board after the removal additional length is trapped among outside the gusset group;
Side seal board and the gusset group after removal additional length described in spot welding;
Side seal board after closing up the removal additional length, and remove extra assembly made allowance;
The lower plate is assembled to the front of the upper cover plate.
Optionally, the upper cover plate is Eccentric Circular Ring, and the gusset group includes eight pairs of gussets, first in eight pairs of gussets Diametrically, remove described first pair in cross section that is opposite to gusset and being respectively positioned on the upper cover plate the and excessively described stepped hole center In other seven pairs of gussets outside gusset every a pair of gusset relative to the upper cover plate cross section and excessively described stepped hole center Diameter symmetry distribution, the length direction of each piece of gusset is overlapped with the diameter of the cross section of the ring in eight pairs of gussets, Angle between the length direction of adjacent two pieces of gussets is 22.5 °.
Optionally, the welding upper cover plate, the taper box plate and the ring are respectively between the gusset group Weld seam, comprising:
According to the distribution sequence of every a pair of of gusset, the upper cover plate, the taper box plate and the ring point are successively welded Weld seam not between the gusset group.
Optionally, described respectively by the bottom sealing plate and the small gusset welding equipment to the front of the upper cover plate Before, the method also includes:
The bottom sealing plate is divided into first to fourth section be sequentially connected, first to fourth section of the connection punishment The gusset of corresponding position is not corresponded to, and the first segment corresponds to the position that seven pieces of continuously distributed gussets are covered, the second segment The position that corresponding three pieces of continuously distributed gussets are covered, the third section correspond to the position that seven pieces of continuously distributed gussets are covered It sets, the position that three pieces of continuously distributed gussets of the 4th section of correspondence are covered, the corresponding three pieces of gussets of the second segment and institute Stating the corresponding three pieces of gussets in the 4th end is wherein three pairs of gussets in other seven pairs of gussets;
Respectively by described first to fourth section and the small gusset welding equipment to the front of the upper cover plate.
It is optionally, described to anneal to the taper cabinet main structure, comprising:
Prepare multiple ventholes on the outside plate of the taper cabinet main structure, the outside plate is the side seal board, institute State the shell that bottom sealing plate and the lower plate are formed;
It anneals to the taper cabinet main structure;
The multiple venthole is blocked after completing annealing.
Optionally, it is described anneal to the taper cabinet main structure after, the method also includes:
Respectively to cavity and the taper box plate between the upper cover plate and the taper box plate and described outer Cavity between plate carries out air seal test;
When miss the mark test result, underproof weld seam is removed, and the weld seam of removal is welded again.
Optionally, it is described anneal to the taper cabinet main structure after, the method also includes:
Multiple lifting lugs are provided;
By the multiple lifting lug welding equipment to the back side of the upper cover plate.
Technical solution provided in an embodiment of the present invention have the benefit that by first weld taper box plate, ring, with And the weld seam between upper cover plate, then side seal board and lower plate are respectively assembled to the front of upper cover plate, upper cover plate is then welded again With the weld seam between gusset group, since gusset group is fastened on upper cover plate, welding taper box plate, ring, side seal board and lower plate shape At space in, which plays certain restriction effect to gusset group, and the weld seam of gusset group is most, under restriction effect, Can to gusset group welding bring deformation play the role of reduction;It, can be from bottom sealing plate again since bottom sealing plate is unassembled Rigging position welded, for welding offer convenience.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.
Fig. 1 is the structural schematic diagram of full-rotating rudder screw provided in an embodiment of the present invention;
Fig. 2 is the structural schematic diagram of taper box structure provided in an embodiment of the present invention;
Fig. 3 is the A-A cross-sectional view of Fig. 2;
Fig. 4 is a kind of flow chart of the production method of taper box structure provided in an embodiment of the present invention;
Fig. 5 is the pressing direction schematic diagram of upper cover plate provided in an embodiment of the present invention;
Fig. 6 is the distribution schematic diagram of eight pairs of gussets provided in an embodiment of the present invention;
Fig. 7 is the segmentation schematic diagram of bottom sealing plate provided in an embodiment of the present invention;
Fig. 8 is the position while welding schematic diagram between upper cover plate provided in an embodiment of the present invention and taper box plate;
Fig. 9 is the position while welding schematic diagram between upper cover plate and side seal board provided in an embodiment of the present invention;
Figure 10 is a kind of flow chart of the production method of taper box structure provided in an embodiment of the present invention;
In attached drawing, 81 propulsion units, 82 turning units, 83 brake assemblies, 84 taper box structures, 85 Box Covers, 1 Upper cover plate, 1a stepped hole, 2 side seal boards, 3 bottom sealing plates, first to fourth section of 31-34,4 lower plates, 5 rings, 6 taper box plates, 7 Small gusset, 9 gusset groups, 17 lifting lugs, 19 grease-box pedestals, 21 stable equilibrium valve block pedestals, 24 lubrication transition valve block pedestals.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention Formula is described in further detail.
Technical solution provided in an embodiment of the present invention for ease of understanding introduces the work of taper box structure 84 first With and structure.Taper box structure 84 is the important load-carrying member of turning unit 82, as shown in Figure 1, taper box structure 84 top connecting brake component 83, lower part connect propulsion unit 81.The rotating shaft of taper cabinet and turning unit 82, revolution There are close matching relationships for bearing (not shown go out) and Box Cover 85.The upper cover plate 1 of taper box structure 84 is mounted on ship On body, the weight of entire full-rotating rudder screw is by its receiving.
Currently, taper box structure 84 includes two kinds of structures, one is concentric structure (referring to Fig. 1), another kind is inclined Core structure (referring to figs. 2 and 3).The production method of taper box structure 84 provided in an embodiment of the present invention can be applicable in this two Kind structure.
The structure of taper box structure 84 is introduced by taking eccentric structure as an example.As shown in Figures 2 and 3, taper body structure Part 84 includes upper cover plate 1, taper box plate 6, ring 5, gusset group 9, side seal board 2, lower plate 4, bottom sealing plate 3 and small gusset 7.The outside diameter of upper cover plate 1 can be 3010mm, and interior circular diameter can be 2800mm.Upper cover plate 1 is equipped with stepped hole 1a, ladder Hole 1a, which is that the different slot of two bores is stacked, to be formed, and a slot is used to cooperate with Box Cover 85, another groove face is to propulsion unit 81.Taper box plate 6 and bottom sealing plate 3 are conical shell, and the side seal board 2 after assembly is cylinder, and lower plate 4 is annulus 5.Cone Shape box plate 6 is covered on stepped hole 1a, and ring 5 is installed on the small end of taper box plate 6, and stepped hole 1a, taper cabinet and ring 5 are same Axis.Gusset group 9 includes several gussets, and the first end of several gussets interior and each positioned at side seal board 2 offsets with side seal board 2 respectively, respectively The second end of gusset is located at taper box plate 6 and offsets with ring 5.Lower plate 4 is set on ring 5 and is covered in gusset group 9.Bottom Portion's sealing plate 3 is covered in gusset group 9, and the big end of bottom sealing plate 3 is connect with side seal board 2, the small end and lower plate 4 of bottom sealing plate 3 Peripheral wall connection, small gusset 7 is located at the front in taper box plate 6 and positioned at upper cover plate 1.
Fig. 4 shows a kind of production method of taper box structure 84 provided in an embodiment of the present invention.Referring to fig. 4, should Method flow includes the following steps.
Step 101 provides upper cover plate 1, taper box plate 6, ring 5, gusset group 9, side seal board 2, lower plate 4, bottom sealing plate 3 and small gusset 7.
Upper cover plate 1 is equipped with stepped hole 1a, and taper box plate 6 and bottom sealing plate 3 are conical shell, and side seal board 2 is item Shape plate, lower plate 4 are annulus 5.
Step 102, the front that taper box plate 6, ring 5 and gusset group 9 are respectively assembled to upper cover plate 1.
Taper box plate 6 is covered on stepped hole 1a, and ring 5 is installed on the small end of taper box plate 6, if gusset group 9 includes Dry gusset, the first end of each gusset are located at upper cover plate 1, and the second end of each gusset is located at taper box plate 6 and offsets with ring 5, rank Terraced hole 1a, taper cabinet and ring 5 are coaxial.
Weld seam between step 103, welding taper box plate 6, ring 5 and upper cover plate 1.
Step 104, the front that side seal board 2 and lower plate 4 are respectively assembled to upper cover plate 1.
Several gussets are located in side seal board 2 and the first end of each gusset offsets with side seal board 2 respectively, and lower plate 4 is set in On ring 5 and it is covered in gusset group 9.
Step 105, welding upper cover plate 1, taper box plate 6 and ring 5 respectively between gusset group 9, upper cover plate 1 and muscle Board group 9 respectively between side seal board 2 and ring 5 and gusset group 9 weld seam between lower plate 4 respectively.
Step 106, respectively by bottom sealing plate 3 and 7 welding equipment of small gusset to the front of upper cover plate 1, obtain taper cabinet main body Structure.
Bottom sealing plate 3 is covered in gusset group 9, and the big end of bottom sealing plate 3 is connect with side seal board 2, the small end of bottom sealing plate 3 It is connect with the peripheral wall of lower plate 4, small gusset 7 is located at the front in taper box plate 6 and being located at upper cover plate 1.
Step 107 anneals to taper cabinet main structure, forms taper box structure 84.
By first welding the weld seam between taper box plate 6, ring 5 and upper cover plate 1, then by side seal board 2 and lower plate 4 It is respectively assembled to the front of upper cover plate 1, then welds the weld seam between upper cover plate 1 and gusset group 9 again, since the card of gusset group 9 is set In the space that upper cover plate 1, welding taper box plate 6, ring 5, side seal board 2 and lower plate 4 are formed, which plays gusset group 9 To certain restriction effect, and the weld seam of gusset group 9 is most, under restriction effect, can welding bring to gusset group 9 become Shape plays the role of reduction;It again since bottom sealing plate 3 is unassembled, can be welded from the rigging position of bottom sealing plate 3, for welding It offers convenience.In addition, annealing to taper cabinet main structure, bring stress after welding can be eliminated.
It is mainly carried out in the front of upper cover plate 1 due to welding, postwelding upper cover plate 1 is deformed towards that side of welding.To reduce The influence to the flatness of upper cover plate 1 is welded, illustratively, step 101 can also include: to carry out pre- reversible deformation to upper cover plate 1 Processing.
Specifically, upper cover plate 1 can be suppressed centered on the X-direction shown in Fig. 5, predeformation amount can be 6mm.
Illustratively, step 101 can also include: to roll side seal board 2, so that side seal board 2 can enclose as cylinder;Remove side The part of additional length in sealing plate 2, the assembly made allowance of one end reserved target length of the side seal board 2 after removing additional length.
Specifically, side seal board 2 can be rolled on roller bed, pre-bending removes after the completion of rolling using carbon arc air gouging most of Pre- curved segment, unilateral pre- curved segment need to stay the assembly made allowance of 10mm after cutting, at this time the first not spot welding of cylinder longitudinal joint.
Wherein, referring to fig. 2, upper cover plate 1 is Eccentric Circular Ring 5.Referring to Fig. 6, gusset group 9 includes eight pairs of gussets, eight pairs of gussets In first pair of gusset it is opposite and be respectively positioned on the cross section of the upper cover plate and excessively described stepped hole center diametrically, except described In other seven pairs of gussets outside first pair of gusset it is every a pair of gusset relative to upper cover plate 1 cross section and cross the center stepped hole 1a Diameter (being overlapped with X-direction) it is symmetrical, the diameter of the cross section of the length direction and ring 5 of each piece of gusset in eight pairs of gussets It is overlapped, the angle between the length direction of adjacent two pieces of gussets is 22.5 °.Referring to Fig. 6, it is assumed that in addition seven pairs of gussets are 1A, 1B, 2A, 2B, 3A, 3B, 4A, 4B, 5A, 5B, 6A, 6B, 7A, 7B, first pair of gusset are 8A, 8B.
Wherein, bottom sealing plate 3 and taper box plate 6 can be and be pressed into conical shell using hydraulic press.In taper case In body plate 6 plus 5 shape of ring rigidly fixes support, to guarantee the circularity of cone cylinder.Step 101 can also include: to divide bottom sealing plate 3 For first to fourth section of 31-34 being sequentially connected.Referring to Fig. 7, the junction of first to fourth section of 31-34 respectively corresponds corresponding positions The gusset set, the position that the corresponding seven pieces of continuously distributed gussets of first segment 31 are covered, second segment 32 correspond to continuously distributed three The position that block gusset is covered, the position that the corresponding seven pieces of continuously distributed gussets of third section 33 are covered, the 4th section of 34 corresponding company The position that three pieces of gussets of continuous distribution are covered, 32 corresponding three pieces of gussets (2A/1A/3A) of second segment are corresponding with the 4th end 34 Three pieces of gussets (2B/1B/3B) are wherein three pairs of gussets in other seven pairs of gussets.
Step 102 may include steps of 102a-102c.
Step 102a, draw side seal board 2, taper box plate 6, gusset group 9 the position line.
Upper cover plate 1 is placed on mounting plate, flatness≤3mm of upper cover plate 1 is checked before assembling, is base with upper cover plate 1 Standard mark on it side seal board 2, taper box plate 6, gusset group 9 the position line.
Step 102b, taper box plate 6 and ring 5 are assembled.
Taper box plate 6 is assembled according to the position of assembly line, then mounting ring 5.It should be noted that ring 5 is equipped with stream Body medium channel can determine the assembly direction of ring 5 Yu taper box plate 6 by the direction of the fluid medium channel.In addition, dress Pay attention to checking part upper cover plate 1, taper box plate 6, the concentricity between 5 three of ring when with ring 5.For example, concentricity can be required Control is within the scope of 2mm.5 upper surface of ring is checked simultaneously to the height of mounting plate, and height error can control within the scope of 2mm (at least uniformly distributed measurement point above everywhere).
Step 102c, gusset group 9 is assembled.
According to the assembly line marked on upper cover plate 1, gusset group 9 is assembled;This gusset group 9 only fills in this step does not weld, main Play the role of reinforcement, prevents that welding deformation is excessive in step here.
Step 103 may include steps of 103a-103b.
Step 103a, welding upper cover plate 1 and taper box plate 6 and ring 5 and taper box plate 6.
Referring to Fig. 8, the girth joint J1 between upper cover plate 1 and taper box plate 6 is welded first, then welding ring 5 and taper case Girth joint J2 between body plate 6, it is desirable that segmentation is symmetrically welded;The weld seam of inner ring, then outside back chipping are first welded, finally the weldering in weldering outside Seam.
Step 103b, defect detecting test.
To the girth joint J1 between upper cover plate 1 and taper box plate 6, the girth joint J2 between ring 5 and taper box plate 6 is carried out 100%UT defect detecting test meets JB/T4730-2005II grades of qualifications.For being unsatisfactory for the weld seam of defect detecting test, weight after need to removing New welding.Illustratively, the fusion length range of removal is in 10~20mm.
Step 104 may include: that the side seal board 2 after removal additional length is trapped among outside gusset group 9;Spot welding removes extra length Side seal board 2 and gusset group 9 after degree;Side seal board 2 after closing up removal additional length, and remove extra assembly made allowance;It will Lower plate 4 is assembled to the front of upper cover plate 1.
Since gusset blanking and assembly have deviation, therefore 2 made allowance of side seal board is now matched in assembly.By side seal board 2 are trapped among outside gusset, then successively each piece of gusset of spot welding and side seal board 2, go extra part using carbon arc air gouging when closing up It removes.Then lower plate 4 is reassembled.
It is unqualified to the girth joint J1 nondestructive inspection between upper cover plate 1 and taper box plate 6 to avoid, welding when influence is done over again Operation, gusset group 9 cannot weld in step 103, carry out welding equipment in step 105 after flaw detection is qualified.Step 105 can wrap Include step 105a-105d.
Step 105a, upper cover plate 1, taper box plate 6 and ring 5 weld seam between gusset group 9 respectively are welded.
Step 105a may include: successively to weld upper cover plate 1, taper box plate according to the distribution sequence of every a pair of of gusset 6 and the weld seam between gusset group 9 respectively of ring 5.
Referring to Fig. 8, weld seam J3 between first welding bar board group 9 and upper cover plate 1, then welding bar board group 9 and ring 5 and taper case Weld seam J4 and weld seam J5 between body plate 6.When realizing, it is desirable that every a pair of of gusset as line of symmetry while being welded using X-direction, i.e., first It walks while welding a pair of of gusset 1A and 1B, second step welds a pair of of gusset 2A and 2B simultaneously, successively welds down.
Step 105b, upper cover plate 1 and gusset group 9 weld seam between side seal board 2 respectively are welded.
Referring to Fig. 9, the weld seam J6 between upper cover plate 1 and side seal board 2 is first welded, then between welding bar board group 9 and side seal board 2 Weld seam J7, it is desirable that segmentation is symmetrically welded weld seam.
Step 105c, welding ring 5 and gusset group 9 weld seam between lower plate 4 respectively.
Referring to Fig. 9, the weld seam J8 between lower plate 4 and ring 5 is first welded, then the weld seam between welding bar board group 9 and lower plate 4 J9, it is desirable that segmentation is symmetrically welded weld seam.
Step 105d, defect detecting test.
Butt welding taps into row 100%PT defect detecting test, meets JB/T4730-2005II grades of qualifications.
Step 106 may include steps of 106a-106d.
Step 106a, the position line of small gusset 7 is drawn.
Mark the position line of small gusset 7 on it on the basis of upper cover plate 1.
Step 106b, bottom sealing plate 3 and small gusset 7 are assembled.
Bottom sealing plate 3 is first assembled, 4 sections of bottom sealing plate 3 press Fig. 7 block assembly.Small muscle is assembled further according to the position of scribing line Plate 7.
Step 106c, welding small gusset 7 respectively the weld seam between upper cover plate 1 and taper box plate 6, bottom sealing plate 3 with Weld seam, bottom sealing plate 3 between side seal board 2 and the weld seam between lower plate 4 and bottom sealing plate 3 respectively with gusset 4 and gusset 6 it Between weld seam.
Weld the weld seam between small gusset 7 and upper cover plate 1, taper box plate 6, when welding requires correspondence diametric right Gusset is claimed to weld simultaneously;Weld the girth joint (weld seam J1) between bottom sealing plate 3 and side seal board 2, it is desirable that segmentation is symmetrically welded;Then The girth joint (weld seam J2) between bottom sealing plate 3 and lower plate 4 is welded, also requires that segmentation is symmetrically welded;Finally welding bottom envelope The weld seam between gusset 4 and gusset 6 respectively of plate 3, when welding, require corresponding diametric symmetrical gusset to weld simultaneously.
Step 106d, defect detecting test.
Butt welding taps into row 100%PT defect detecting test, meets JB/T4730-2005II grades of qualifications.
Step 107 may include steps of 107a-107d.
Step 107a, multiple ventholes are prepared on the outside plate of taper cabinet main structure, outside plate is side seal board 2, bottom The shell that sealing plate 3 and lower plate 4 are formed.
Step 107b, it anneals to taper cabinet main structure.
Step 107c, multiple ventholes are blocked after completing annealing.
Since taper cabinet main structure is airtight cavity, it is logical for 10mm that 3~4 diameters should be bored before annealing on outside plate Stomata again blocks weld seam after annealing.The small end of taper cabinet main structure is placed downward when annealing, beneath leveling prevents Component is distorted deformation.
Step 107d, respectively to the cavity x (referring to Fig. 3) and taper cabinet between upper cover plate 1 and taper box plate 6 Cavity y (referring to Fig. 3) between plate 6 and outside plate carries out air seal test.
When miss the mark test result, underproof weld seam is removed, and the weld seam of removal is welded again.
Illustratively, referring to Fig. 3, carry out air seal test is carried out to x/y cavity after the completion of annealing, it is desirable that cabinet y chamber oil pressure Test, pressure 0.3MPa do not allow to leak for 30 minutes;Cabinet x chamber gas pressure test, pressure are 0.5 atmospheric pressure, and 30 minutes are not Pressure drop.When carrying out air seal test, wall applies liquid soap outside the enclosure.If there is leakage in cavity, leakage will generate fertilizer Soap bubble.Generate the i.e. underproof weld seam in position lathery.
Step 101 can also include: to provide multiple lifting lugs 17, grease-box pedestal 19,21 and of stable equilibrium valve block pedestal Lubricate transition valve block pedestal 24.
Correspondingly, referring to Figure 10, this method can also include step 108.
Step 108, respectively by multiple lifting lugs 17, grease-box pedestal 19, stable equilibrium valve block pedestal 21 and lubrication transition Valve block pedestal fills 24 back sides for being soldered to upper cover plate 1.
Step 108 may include steps of step 108a-108d.
Step 108a, lifting lug 17, grease-box pedestal 19, stable equilibrium valve block pedestal 21 and lubrication transition valve block pedestal are drawn Fill 24 rigging position line.
Mark lifting lug 17, grease-box pedestal 19, stable equilibrium valve block pedestal 21 and profit on it on the basis of upper cover plate 1 It slips over and crosses the rigging position line that valve block pedestal fills 24.
Step 108b, lifting lug 17, grease-box pedestal 19, stable equilibrium valve block pedestal 21 and lubrication transition valve block bottom are assembled Seat fills 24.
It is traditional thread binding with lifting lug 17, grease-box pedestal 19, stable equilibrium valve block pedestal 21 and lubrication transition valve by rigging position Block pedestal fills 24.
Step 108c, welding upper cover plate 1 respectively with lifting lug 17, grease-box pedestal 19, stable equilibrium valve block pedestal 21 and Lubrication transition valve block pedestal fills 24.
Weld upper cover plate 1 the back side respectively with lifting lug 17, grease-box pedestal 19, stable equilibrium valve block pedestal 21 and lubrication Transition valve block pedestal fills the weld seam between 24.
Step 108d, defect detecting test.
Butt welding taps into row 100%PT defect detecting test, meets JB/T4730-2005II grades of qualifications.
The production method of above-mentioned taper box structure has been used for the full-rotating rudder screw of our factory independent research design Taper box structure production (in factory work number: paddle 110A), the taper box structure size according to process program production are full The requirement designed enough, examination and delivered shipyard by classification society.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of production method of taper box structure, which is characterized in that the described method includes:
Upper cover plate, taper box plate, ring, gusset group, side seal board, lower plate, bottom sealing plate and small gusset be provided, it is described on Cover board is equipped with stepped hole, and the taper box plate and the bottom sealing plate are conical shell, and the side seal board is stripe board, The lower plate is annulus;
The taper box plate, the ring and the gusset group are respectively assembled to the front of the upper cover plate, the taper Box plate is covered on the stepped hole, and the ring is installed on the small end of the taper box plate, and the gusset group includes several Gusset, the first end of each gusset are located at the upper cover plate, the second end of each gusset be located at the taper box plate and It offsets with the ring, the stepped hole, the taper cabinet and the ring are coaxial;
Weld the weld seam between the taper box plate, the ring and the upper cover plate;
The side seal board and the lower plate are respectively assembled to the front of the upper cover plate, several gussets are located at the side In sealing plate and the first end of each gusset offsets with the side seal board respectively, and the lower plate is arranged on which ring and covers In the gusset group;
Weld the upper cover plate, the taper box plate and the ring respectively between the gusset group, described upper cover plate and The gusset group is between the side seal board respectively and the ring and the gusset group are respectively between the lower plate Weld seam;
The bottom sealing plate and the small gusset welding equipment are obtained into taper cabinet main body knot to the front of the upper cover plate respectively Structure, the bottom sealing plate are covered in the gusset group, and the big end of the bottom sealing plate is connect with the side seal board, the bottom The small end of sealing plate is connect with the peripheral wall of the lower plate, and the small gusset is located in the taper box plate and is located at the upper cover The front of plate;
It anneals to the taper cabinet main structure, forms taper box structure.
2. the method according to claim 1, wherein described by the taper box plate, the ring, Yi Jisuo Gusset group is stated to be respectively assembled to before the front of the upper cover plate, the method also includes:
Pre- reversible deformation processing is carried out to the upper cover plate.
3. the method according to claim 1, wherein the side seal board and the lower plate are filled respectively described It is fitted on before the front of the upper cover plate, the method also includes:
The side seal board is rolled, so that the side seal board can enclose as cylinder;
The part of additional length in the side seal board is removed, one end reserved target length of the side seal board after removing additional length Assemble made allowance.
4. according to the method described in claim 3, it is characterized in that, described assemble the side seal board and the lower plate respectively To the front of the upper cover plate, comprising:
Side seal board after the removal additional length is trapped among outside the gusset group;
Side seal board and the gusset group after removal additional length described in spot welding;
Side seal board after closing up the removal additional length, and remove extra assembly made allowance;
The lower plate is assembled to the front of the upper cover plate.
5. the gusset group includes the method according to claim 1, wherein the upper cover plate is Eccentric Circular Ring Eight pairs of gussets, first pair of gusset be opposite in eight pairs of gussets and the cross section that is respectively positioned on the upper cover plate and excessively described ladder Diametrically, every a pair of gusset is relative to the upper cover plate in other seven pairs of gussets in addition to first pair of gusset at hole center The diameter symmetry at cross section the and excessively described stepped hole center is distributed, in eight pairs of gussets the length direction of each piece of gusset with The diameter of the cross section of the ring is overlapped, and the angle between the length direction of adjacent two pieces of gussets is 22.5 °.
6. according to the method described in claim 5, it is characterized in that, the welding upper cover plate, the taper box plate and The ring weld seam between the gusset group respectively, comprising:
According to the distribution sequence of every a pair of of gusset, successively weld the upper cover plate, the taper box plate and the ring respectively with Weld seam between the gusset group.
7. according to the method described in claim 5, it is characterized in that, described respectively by the bottom sealing plate and the small gusset Before welding equipment to the front of the upper cover plate, the method also includes:
The bottom sealing plate is divided into first to fourth section be sequentially connected, first to fourth section of the junction is right respectively The gusset of corresponding position is answered, the first segment corresponds to the position that seven pieces of continuously distributed gussets are covered, and the second segment is corresponding The position that three pieces of continuously distributed gussets are covered, the third section correspond to the position that seven pieces of continuously distributed gussets are covered, The position that three pieces of continuously distributed gussets of the 4th section of correspondence are covered, the corresponding three pieces of gussets of the second segment and described the The corresponding three pieces of gussets in four ends are wherein three pairs of gussets in other seven pairs of gussets;
Respectively by described first to fourth section and the small gusset welding equipment to the front of the upper cover plate.
8. the method according to claim 1, wherein described anneal to the taper cabinet main structure, Include:
Multiple ventholes are prepared on the outside plate of the taper cabinet main structure, the outside plate is the side seal board, the bottom The shell that portion's sealing plate and the lower plate are formed;
It anneals to the taper cabinet main structure;
The multiple venthole is blocked after completing annealing.
9. the method according to claim 1, wherein annealing described to the taper cabinet main structure Afterwards, the method also includes:
Respectively between the upper cover plate and the taper box plate cavity and the taper box plate and the outside plate it Between cavity carry out air seal test;
When miss the mark test result, underproof weld seam is removed, and the weld seam of removal is welded again.
10. the method according to claim 1, wherein described anneal to the taper cabinet main structure Later, the method also includes:
Multiple lifting lugs are provided;
By the multiple lifting lug welding equipment to the back side of the upper cover plate.
CN201910466986.4A 2019-05-31 2019-05-31 Method for manufacturing conical box structural member Active CN110369891B (en)

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CN110842473A (en) * 2019-11-13 2020-02-28 西安交通大学 Radial continuous path friction stir additive manufacturing process for large thick-wall disc-shaped ring piece
CN111331323A (en) * 2020-03-20 2020-06-26 石钢京诚装备技术有限公司 Welding process for trunnion block of converter backing ring
CN111644822A (en) * 2020-07-02 2020-09-11 德阳市瑞祥机械厂 Method for processing box body of primary mirror chamber of 4m telescope
CN114715351A (en) * 2022-03-30 2022-07-08 芜湖造船厂有限公司 Method for mounting ship full-rotation rudder propeller equipment

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CN105935843A (en) * 2016-05-19 2016-09-14 武汉船用机械有限责任公司 Welding method for structural part
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CN110842473A (en) * 2019-11-13 2020-02-28 西安交通大学 Radial continuous path friction stir additive manufacturing process for large thick-wall disc-shaped ring piece
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CN111644822B (en) * 2020-07-02 2021-11-30 德阳市瑞祥机械厂 Method for processing box body of primary mirror chamber of 4m telescope
CN114715351A (en) * 2022-03-30 2022-07-08 芜湖造船厂有限公司 Method for mounting ship full-rotation rudder propeller equipment

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