CN110816778A - Building method of ship lap joint type groove - Google Patents
Building method of ship lap joint type groove Download PDFInfo
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- CN110816778A CN110816778A CN201910999718.9A CN201910999718A CN110816778A CN 110816778 A CN110816778 A CN 110816778A CN 201910999718 A CN201910999718 A CN 201910999718A CN 110816778 A CN110816778 A CN 110816778A
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Abstract
The invention discloses a building method of a ship lap joint type groove, wherein a bulkhead is a U-shaped groove, (1) a special jig frame tool for welding the U-shaped groove is prepared, and the jig frame tool is used for prospecting and drawing an assumed central line and a horizontal line; (2) the bottom plate of the U-shaped groove is positioned according to a central line and a horizontal line, the width data of the bottom plate is measured to determine the connecting point of the side plate, and the angle between the side plate and the bottom plate is determined by using a first angle control tool; (3) welding the inner surfaces of the bottom plate and the side plates by adopting flat welding, wherein the inner parts of the notches are all completely welded; (4) installing a second angle control tool, and placing the side of the U-shaped groove on a special jig frame tool to perform submerged-arc welding on the outer surfaces of the side plate and the bottom plate; (5) the overlapped type groove-shaped bulkhead is built in sections, a groove-shaped jig frame is manufactured, a ground sample line and a horizontal line are drawn, a welded U-shaped groove is hoisted to the groove-shaped jig frame, welding shrinkage is added, welding between U-shaped groove components is completed, and I-shaped reinforcing ribs are arranged on the upper surface and the lower surface of the U-shaped groove-shaped bulkhead in a direction perpendicular to the extending direction of the U-shaped groove.
Description
Technical Field
The invention relates to the technical field of ship tools, in particular to a building method of a ship lap joint type groove.
Background
64000 the wood chip ship groove type bulkhead is formed by assembling single plates, is different from the bending novelty of a common bulk cargo ship, adopts a welding type construction mode, and the inside of the notch is completely welded, so that the welding workload is large, and welding deformation is easy to generate. The experimental problem that how to improve the precision of the welded tank type and ensure the product quality is solved urgently in the aspect of building the ship body is that the deformation of the welded single tank reaches 60 mm.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a method for building a ship lap joint type groove shape with high welding precision and high qualification rate.
In order to achieve the purpose, the technical scheme of the invention is to design a building method of a ship lap joint type groove type, wherein a bulkhead is a U-shaped groove, and the method comprises the following steps:
(1) preparing a special jig frame tool for welding a U-shaped groove, and drawing an assumed central line and a horizontal line by the jig frame tool;
(2) the bottom plate of the U-shaped groove is positioned according to a central line and a horizontal line, the width data of the bottom plate is measured to determine the connecting point of the side plate, and the angle between the side plate and the bottom plate is determined by using a first angle control tool;
(3) welding the inner surfaces of the bottom plate and the side plates by adopting flat welding, wherein the inner parts of the notches are all completely welded;
(4) installing a second angle control tool, and placing the side of the U-shaped groove on a special jig frame tool to perform submerged-arc welding on the outer surfaces of the side plate and the bottom plate;
(5) the overlapped type groove-shaped bulkhead is built in sections, a groove-shaped jig frame is manufactured, a ground sample line and a horizontal line are drawn, a welded U-shaped groove is hoisted to the groove-shaped jig frame, welding shrinkage is added, welding between U-shaped groove components is completed, and I-shaped reinforcing ribs are arranged on the upper surface and the lower surface of the U-shaped groove-shaped bulkhead in a direction perpendicular to the extending direction of the U-shaped groove.
The welding groove type lap joint position is full penetration welding, and the double-sided groove is changed into a single-sided groove due to large workload.
As a preferred technical scheme, the special jig frame tool comprises a plurality of supporting pieces, the supporting pieces are arranged along the length direction of a bottom plate, and the bottom plate and the side plates of the U-shaped groove are placed on the supporting pieces; the supporting piece comprises a horizontal supporting frame and a vertical supporting frame fixedly connected with the two ends of the horizontal supporting frame; the central connecting lines of the horizontal supporting frames are assumed central lines; the vertical support frame comprises a bottom plate clamping part and a side plate supporting part which are integrally formed, and a step is arranged at the joint of the bottom plate clamping part and the side plate supporting part; two bottom plate clamping part opposite surfaces of the same support frame are arranged in parallel, and an included angle formed by the side plate supporting part opposite surface and the bottom plate clamping part surface is A.
According to the preferable technical scheme, a groove with built-in I-shaped steel is formed in the upper surface of the horizontal support frame, the flange of the I-shaped steel and the upper surface of the horizontal support frame are located on the same plane, the arrangement direction of the I-shaped steel is consistent with the length direction of the bottom plate, and the I-shaped steel is connected with the bottom of the bottom plate in a spot welding mode.
As a preferred technical scheme, the first angle control tool is fixedly installed at the connecting position of the bottom plate and the side plate of the U-shaped groove; the second angle control tool is positioned between the two side plates and is respectively and fixedly connected with the upper side edges of the two side plates; the first angle control tool and the second angle control tool are matched for use.
As a preferred technical scheme, the first angle control tool comprises a horizontal support rod and an oblique support rod which are connected through a bolt, wherein the horizontal support rod and the oblique support rod are respectively provided with two parts and are respectively positioned on the front surface and the back surface of the horizontal support frame; a sliding groove is formed in the contact surface of the horizontal support frame and the horizontal support rod, a sliding block is arranged in the sliding groove, and the horizontal support rod is connected with the sliding block through a fastening bolt; the opposite face of the oblique supporting rod is provided with a clamping groove, and a positioning connecting plate is arranged inside the clamping groove.
As a preferred technical scheme, a limiting assembly is further arranged between the oblique supporting rod and the horizontal supporting rod, and the limiting assembly comprises a supporting rod, two ends of the supporting rod are respectively connected with the oblique supporting rod and the horizontal limiting piece; a sliding groove is formed in the side face of the horizontal supporting rod, and the horizontal limiting part is connected with the sliding groove through a limiting bolt; the horizontal support rod is also provided with a lifting lug.
As a preferred technical scheme, the second angle control tool comprises a first clamping plate, a second clamping plate and a bidirectional telescopic rod positioned between the first clamping plate and the second clamping plate, and the bidirectional telescopic rod is connected with the first clamping plate and the second clamping plate through connecting pieces; the cross section of the clamping plate is U-shaped, a connecting piece is arranged on one side of the U-shaped clamping plate, and a locking bolt is arranged on the other side of the U-shaped clamping plate; the connecting piece comprises a fixing portion and a rotating portion, the fixing portion is fixed on the deck, the fixing portion is provided with a spherical groove, a spherical rotating portion is arranged inside the circular groove, and the spherical rotating portion is fixedly connected with one end of the bidirectional telescopic rod.
The invention has the advantages and beneficial effects that: by adopting the construction method and the tool, the once qualified rate of the sectional construction precision of the 64000 sawdust boat lap joint type groove-shaped bulkhead is 93.3%, and the groove-shaped construction precision is obviously improved compared with an early test product. The tool has the advantages of simple structure, convenience in manufacturing and use and convenience in tire removal.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic structural view of a second angle control tool according to the present invention;
in the figure: 1. special jig frame tooling; 2. assuming a centerline;
3. a horizontal support frame; 31. a groove; 32. a sliding groove; 33. a slider; 34. fastening a bolt;
4. a vertical support frame; 41. a bottom plate clamping part; 42. a side plate support portion; 43. a landing;
5. internally arranging I-shaped steel;
6. a first angle control tool; 61. a horizontal support bar; 62. an oblique supporting rod; 63. a card slot; 64. positioning the connecting plate; 65. a stay bar; 66. a chute; 67. a horizontal limit piece; 68. lifting lugs;
71. a first splint; 72. a second splint; 73. a bidirectional telescopic rod; 74. a connecting member; 75. locking bolt
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
A method for building a ship lap joint type groove type, wherein a bulkhead is a U-shaped groove, comprises the following steps:
(1) preparing a special jig frame tool 1 for welding a U-shaped groove, and drawing an assumed central line 2 and a horizontal line by the jig frame tool;
(2) the bottom plate of the U-shaped groove is positioned according to a central line and a horizontal line, the width data of the bottom plate is measured to determine the connecting point of the side plate, and the angle between the side plate and the bottom plate is determined by using a first angle control tool;
(3) welding the inner surfaces of the bottom plate and the side plates by adopting flat welding, wherein the inner parts of the notches are all completely welded;
(4) installing a second angle control tool, and placing the side of the U-shaped groove on a special jig frame tool to perform submerged-arc welding on the outer surfaces of the side plate and the bottom plate;
(5) the overlapped type groove-shaped bulkhead is built in sections, a groove-shaped jig frame is manufactured, a ground sample line and a horizontal line are drawn, a welded U-shaped groove is hoisted to the groove-shaped jig frame, welding shrinkage is added, welding between U-shaped groove components is completed, and I-shaped reinforcing ribs are arranged on the upper surface and the lower surface of the U-shaped groove-shaped bulkhead in a direction perpendicular to the extending direction of the U-shaped groove.
The special jig frame tool comprises a plurality of supporting pieces, the supporting pieces are arranged along the length direction of the bottom plate, and the bottom plate and the side plates of the U-shaped groove are placed on the supporting pieces; the supporting piece comprises a horizontal supporting frame 3 and a vertical supporting frame 4 fixedly connected with the two ends of the horizontal supporting frame; the central connecting lines of the horizontal supporting frames are assumed central lines; the vertical support frame comprises a bottom plate clamping part 41 and a side plate supporting part 42 which are integrally formed, and a step 43 is arranged at the joint of the bottom plate clamping part and the side plate supporting part; two bottom plate clamping part opposite surfaces of the same support frame are arranged in parallel, and an included angle formed by the side plate supporting part opposite surface and the bottom plate clamping part surface is A.
The upper surface of the horizontal support frame is provided with a groove 31 with a built-in I-shaped steel 5, the flange of the I-shaped steel and the upper surface of the horizontal support frame are positioned on the same plane, the arrangement direction of the I-shaped steel is consistent with the length direction of the bottom plate, and the I-shaped steel is connected with the bottom of the bottom plate in a spot welding mode.
The first angle control tool is fixedly arranged at the connecting part of the U-shaped groove bottom plate and the side plate; the second angle control tool is positioned between the two side plates and is respectively and fixedly connected with the upper side edges of the two side plates; the first angle control tool and the second angle control tool are matched for use.
The first angle control tool 6 comprises a horizontal support rod 61 and an oblique support rod 62 which are connected through bolts, wherein the two horizontal support rods and the two oblique support rods are respectively positioned on the front surface and the back surface of the horizontal support frame; a sliding groove 32 is formed in the contact surface of the horizontal support frame and the horizontal support rod, a sliding block 33 is arranged in the sliding groove, and the horizontal support rod is connected with the sliding block through a fastening bolt 34; the opposite face of the inclined support rod is provided with a clamping groove 63, and a positioning connecting plate 64 is arranged in the clamping groove.
A limiting assembly is further arranged between the oblique supporting rod and the horizontal supporting rod, and comprises a supporting rod 65, two ends of which are respectively connected with the oblique supporting rod and the horizontal limiting piece; a sliding groove 66 is formed in the side face of the horizontal supporting rod, and a horizontal limiting part 67 is connected with the sliding groove through a limiting bolt; the horizontal support bar is also provided with a lifting lug 68.
The second angle control tool comprises a first clamping plate 71, a second clamping plate 72 and a bidirectional telescopic rod 73 positioned between the first clamping plate and the second clamping plate, and the bidirectional telescopic rod is connected with the first clamping plate and the second clamping plate through a connecting piece 74; the cross section of the clamping plate is U-shaped, one side of the U-shaped clamping plate is provided with a connecting piece, and the other side of the U-shaped clamping plate is provided with a locking bolt 75; the connecting piece comprises a fixing portion and a rotating portion, the fixing portion is fixed on the deck, the fixing portion is provided with a spherical groove, a spherical rotating portion is arranged inside the circular groove, and the spherical rotating portion is fixedly connected with one end of the bidirectional telescopic rod.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A method for building a ship lap joint type groove, wherein a bulkhead is a U-shaped groove, is characterized by comprising the following steps:
(1) preparing a special jig frame tool for welding a U-shaped groove, and drawing an assumed central line and a horizontal line by the jig frame tool;
(2) the bottom plate of the U-shaped groove is positioned according to a central line and a horizontal line, the width data of the bottom plate is measured to determine the connecting point of the side plate, and the angle between the side plate and the bottom plate is determined by using a first angle control tool;
(3) welding the inner surfaces of the bottom plate and the side plates by adopting flat welding, wherein the inner parts of the notches are all completely welded;
(4) installing a second angle control tool, and placing the side of the U-shaped groove on a special jig frame tool to perform submerged-arc welding on the outer surfaces of the side plate and the bottom plate;
(5) the overlapped type groove-shaped bulkhead is built in sections, a groove-shaped jig frame is manufactured, a ground sample line and a horizontal line are drawn, a welded U-shaped groove is hoisted to the groove-shaped jig frame, welding shrinkage is added, welding between U-shaped groove components is completed, and I-shaped reinforcing ribs are arranged on the upper surface and the lower surface of the U-shaped groove-shaped bulkhead in a direction perpendicular to the extending direction of the U-shaped groove.
2. The building method of the ship lap joint type groove shape according to claim 1, wherein the special jig frame tool comprises a plurality of supporting pieces, the supporting pieces are arranged along the length direction of the bottom plate, and the bottom plate and the side plates of the U-shaped groove are placed on the supporting pieces; the supporting piece comprises a horizontal supporting frame and a vertical supporting frame fixedly connected with the two ends of the horizontal supporting frame; the central connecting lines of the horizontal supporting frames are assumed central lines; the vertical support frame comprises a bottom plate clamping part and a side plate supporting part which are integrally formed, and a step is arranged at the joint of the bottom plate clamping part and the side plate supporting part; two bottom plate clamping part opposite surfaces of the same support frame are arranged in parallel, and an included angle formed by the side plate supporting part opposite surface and the bottom plate clamping part surface is A.
3. The method as claimed in claim 2, wherein the horizontal support frame has a groove on its upper surface for receiving an i-beam, the flange of the i-beam and the upper surface of the horizontal support frame are positioned on the same plane, the direction of the i-beam is the same as the length direction of the bottom plate, and the i-beam is spot-welded to the bottom of the bottom plate.
4. The building method of the ship lap joint type groove type as claimed in claim 3, wherein the first angle control tool is fixedly installed at the connection position of the bottom plate and the side plate of the U-shaped groove; the second angle control tool is positioned between the two side plates and is respectively and fixedly connected with the upper side edges of the two side plates; the first angle control tool and the second angle control tool are matched for use.
5. The building method of the ship lap joint type groove profile as claimed in claim 4, wherein the first angle control tool comprises a horizontal support rod and an oblique support rod which are connected through a bolt, and the horizontal support rod and the oblique support rod are respectively provided with two and are respectively positioned on the front surface and the rear surface of the horizontal support frame; a sliding groove is formed in the contact surface of the horizontal support frame and the horizontal support rod, a sliding block is arranged in the sliding groove, and the horizontal support rod is connected with the sliding block through a fastening bolt; the opposite face of the oblique supporting rod is provided with a clamping groove, and a positioning connecting plate is arranged inside the clamping groove.
6. The method as claimed in claim 5, wherein a position-limiting assembly is further disposed between the diagonal support rod and the horizontal support rod, the position-limiting assembly includes a support rod having two ends connected to the diagonal support rod and the horizontal position-limiting member, respectively; a sliding groove is formed in the side face of the horizontal supporting rod, and the horizontal limiting part is connected with the sliding groove through a limiting bolt; the horizontal support rod is also provided with a lifting lug.
7. The method for building a ship lap joint type trough according to claim 4, wherein the second angle control tool comprises a first clamping plate, a second clamping plate and a bidirectional telescopic rod positioned between the first clamping plate and the second clamping plate, and the bidirectional telescopic rod is connected with the first clamping plate and the second clamping plate through connecting pieces; the cross section of the clamping plate is U-shaped, a connecting piece is arranged on one side of the U-shaped clamping plate, and a locking bolt is arranged on the other side of the U-shaped clamping plate; the connecting piece comprises a fixing portion and a rotating portion, the fixing portion is fixed on the deck, the fixing portion is provided with a spherical groove, a spherical rotating portion is arranged inside the circular groove, and the spherical rotating portion is fixedly connected with one end of the bidirectional telescopic rod.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910999718.9A CN110816778B (en) | 2019-10-21 | 2019-10-21 | Method for building ship lap joint type groove-shaped bulkhead |
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| CN201910999718.9A CN110816778B (en) | 2019-10-21 | 2019-10-21 | Method for building ship lap joint type groove-shaped bulkhead |
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| CN110816778A true CN110816778A (en) | 2020-02-21 |
| CN110816778B CN110816778B (en) | 2021-11-02 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111438450A (en) * | 2020-03-31 | 2020-07-24 | 中船澄西船舶修造有限公司 | Construction method of lap joint type groove type bulkhead |
| CN112550607A (en) * | 2020-12-01 | 2021-03-26 | 沪东中华造船(集团)有限公司 | Manufacturing method of duplex stainless steel trough bulkhead |
| CN113319506A (en) * | 2021-06-04 | 2021-08-31 | 安徽宏源铁塔有限公司 | Adjustable opening limiting tool for pickling tank machining |
| CN114455031A (en) * | 2022-03-07 | 2022-05-10 | 抚顺抚运安仪救生装备有限公司 | Air boat body processing slipway and processing method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111438450A (en) * | 2020-03-31 | 2020-07-24 | 中船澄西船舶修造有限公司 | Construction method of lap joint type groove type bulkhead |
| CN111438450B (en) * | 2020-03-31 | 2022-05-20 | 中船澄西船舶修造有限公司 | Construction method of lap joint type tank bulkhead |
| CN112550607A (en) * | 2020-12-01 | 2021-03-26 | 沪东中华造船(集团)有限公司 | Manufacturing method of duplex stainless steel trough bulkhead |
| CN113319506A (en) * | 2021-06-04 | 2021-08-31 | 安徽宏源铁塔有限公司 | Adjustable opening limiting tool for pickling tank machining |
| CN114455031A (en) * | 2022-03-07 | 2022-05-10 | 抚顺抚运安仪救生装备有限公司 | Air boat body processing slipway and processing method |
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| CN110816778B (en) | 2021-11-02 |
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