Auxiliary hull hot work correction tool

Abstract

The utility model discloses an auxiliary ship body hot work correction tool, belongs to the technical field of ship manufacturing, and solves the problem that in the prior art, hot work correction construction of a ship body is inconvenient. The device comprises a cross beam, a jack and two tensioning assemblies, each tensioning assembly comprises a pulling plate, a pressing plate and two clamping plates, electric heaters with adjustable positions are arranged on the two sides of an extruding plate, the two clamping plates are arranged on the lower portion of the pulling plate at intervals from bottom to top, at least two threaded rods arranged in parallel are arranged on the lower portion of the pulling plate, and the threaded rods are arranged on the two sides of the pulling plate. The screw rod penetrates through the two clamping plates and is in threaded connection with a locking nut, and the pressing plate is movably arranged on the screw rod between the clamping plates and the locking nut in a sleeving manner. The auxiliary ship body hot work correction tool is convenient to disassemble and assemble and can be repeatedly used, the construction efficiency is effectively improved, and the labor intensity is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to shipbuilding technical field, more specifically, it relates to a kind of auxiliary ship body pyrotechnic correction tooling. BACKGROUND

[0002] In the shipbuilding process, the ship body will inevitably be deformed due to welding and other reasons, and the deformed ship body often needs to be corrected, so correction is an indispensable job. The current common correction methods are mechanical correction and pyrotechnic correction. Due to the complexity of the ship body structure, the deformation of the ship body structure after welding can only be corrected by pyrotechnic correction. Small ship bodies with thin plates and small structures are more likely to produce twisted, wavy deformation and angular deformation, and other types of superimposed deformation. Pure water fire correction is not enough, and external force is needed to assist in correction. The current conventional auxiliary pyrotechnic correction method requires another worker (assembler) to assist in welding the horse plate and using the jack to push or pull the deformed position for correction. However, this method has the following problems:

[0003] 1. This method has a complex welding horse plate auxiliary construction process and takes a long time. Another worker (assembler) is needed to assist, more equipment and tools (welding machine, welding tongs, welding wire, welding rod, heat preservation barrel, reinforcing row, door-shaped horse row, jack, oxygen and gas hose, cutting torch, wrench, etc.) are needed, and preparation for the construction is needed. This type of auxiliary method requires a lot of manpower and resources.

[0004] 2. After construction, the method needs to be spot-welded to push or pull, which produces a code foot, and the quality effect is not good, the appearance is not good, especially the overall appearance of the ship body, and the code foot position needs to be ground, repaired, and even painted to improve the appearance. This method wastes a lot of materials, takes a long time to construct, and increases the manufacturing cost.

[0005] Therefore, it is urgent to develop and design a new type of auxiliary ship body pyrotechnic correction tooling to solve the above technical problems. UTILITY MODEL CONTENTS

[0006] The technical problem to be solved by the utility model is to solve the above-mentioned problems of the prior art. The utility model aims to provide an auxiliary ship body pyrotechnic correction tooling that is easy to disassemble and assemble and can be repeatedly used, effectively improves the construction efficiency, and reduces the labor intensity.

[0007] In order to achieve the above object, the utility model provides a kind of auxiliary ship body pyrotechnics correction tool, including crossbeam, jack and two tensioning components, the tensioning component includes draw plate, compression plate and two clamping plates, two the draw plate of corresponding two tensioning components is slidably sleeved on crossbeam, the jack is movably placed below crossbeam between two tensioning components, and the output end of the jack is detachably installed with extrusion plate, the both sides of the extrusion plate are equipped with position adjustable electric heater, two The clamping plate is spaced apart from bottom to top and is arranged in the lower part of draw plate, the lower part of the draw plate is equipped with at least two parallelly arranged screw rods, the screw rod is penetrated between two clamping plates and is screw-connected with locking nut, the compression plate is movably sleeved on the screw rod between clamping plate and locking nut.

[0008] As further improvement, the electric heater is located above the bottom surface of the extrusion plate, and the electric heater and the extrusion plate are provided with an adjusting mechanism for adjusting the distance of the electric heater relative to the extrusion plate.

[0009] Further, the adjusting mechanism includes a stud and a guide rod, one end of the guide rod is fixedly connected with the electric heater, the other end is slidably inserted into the extrusion plate, one end of the stud is rotatably mounted on the electric heater through a bearing, and the other end is screw-connected with a threaded groove provided in the extrusion plate.

[0010] Further, the length of the lower clamping plate is less than that of the upper clamping plate.

[0011] Further, the end face of the lower clamping plate is further provided with a backing plate through a plurality of countersunk head screws.

[0012] Further, the middle position of the clamping plate is further provided with a clamping groove, and the width of the clamping groove corresponding to the upper clamping plate is less than that of the clamping groove corresponding to the lower clamping plate.

[0013] Further, the screw rod and the draw plate are screw-connected, and a limiting nut is further screw-connected on the screw rod opposite to the clamping plate.

[0014] Further, the crossbeam is further provided with a handle.

[0015] Advantages

[0016] Compared with the prior art, the utility model has the following advantages:

[0017] 1. The auxiliary ship body explosive correction tool, which adopts the pull plate and the pressing plate structure arranged movably, can quickly and effectively clamp various ship body structures, has good clamping firmness effect, better provides stress points, is more flexible to use, has certain height adjustment between the clamping plates, has certain length adjustment of the screw rod, facilitates positioning and installation of the pull plate, can be quickly disassembled after construction is completed, is convenient and reusable for disassembly and assembly, effectively improves construction efficiency, and reduces labor intensity.

[0018] 2. The auxiliary ship body explosive correction construction method, which ingeniously utilizes the convex parts of the ship body structure steel ball head or angle steel folded corner edge or "T" type piece panel as stress points, realizes quick construction, and avoids damaging the ship body. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front view structural schematic diagram of the utility model;

[0020] Figure 2 It is an enlarged schematic diagram of a front view structure of the pull tight assembly in the utility model;

[0021] Figure 3 It is an enlarged schematic diagram of a side view structure of the pull plate in the utility model;

[0022] Figure 4 It is an enlarged schematic diagram of a top view structure of the extrusion plate in the utility model;

[0023] Figure 5 It is an enlarged schematic diagram of a structure when the utility model is applied.

[0024] Wherein: 1 - crossbeam, 2 - jack, 3 - pull tight assembly, 4 - extrusion plate, 5 - electric heater, 6 - screw rod, 7 - locking nut, 8 - stud, 9 - guide rod, 10 - backing plate, 11 - clamping groove, 12 - limiting nut, 13 - handle, 14 - ship body, 15 - angle steel, 31 - pull plate, 32 - pressing plate, 33 - clamping plate. DETAILED DESCRIPTION

[0025] The utility model will be further explained in combination with specific embodiments in the drawings.

[0026] Reference Figures 1-5The utility model discloses a kind of auxiliary ship body pyrotechnics correction tool, including crossbeam 1, jack 2 and two tensioning components 3, wherein, tensioning component 3 includes pull plate 31, compression plate 32 and two clamping plates 33, two pull plate 31 of corresponding two tensioning components 3 are slidably sleeved on crossbeam 1, so that the distance between two tensioning components 3 is adjustable, to be suitable for the clamping of different ship body structures, jack 2 is movably placed below crossbeam 1 between two tensioning components 3, convenient to move, and the output end of jack 2 is detachably installed with extrusion plate 4, specifically, extrusion plate 4 can be connected with the output end of jack 2 by countersunk head screw, convenient to disassemble and maintain, position adjustable electric heater 5 is equipped on the both sides of extrusion plate 4, position adjustable electric heater 5 can heat different positions of ship body, electric heater 5 is the heater for heating steel plate in prior art, such as: electromagnetic induction heater, electric tube heater, infrared heater etc.Two clamping plates 33 are arranged at the lower part of pull plate 31 from bottom to top with interval, convenient to accommodate angle steel 15 or steel ball head etc. component of ship body 14, ensure that tensioning component 3 can be clamped, and the lower part of pull plate 31 is equipped with at least two parallelly arranged screw rods 6, screw rod 6 is vertically arranged with pull plate 31, screw rod 6 is screwed with locking nut 7 between two clamping plates 33, and compression plate 32 is movably sleeved on screw rod 6 between clamping plate 33 and locking nut 7, and the distance between compression plate 32 and clamping plate 33 can be adjusted at any time.

[0027] The utility model discloses auxiliary ship body pyrotechnics correction tool, adopt the pull plate 31, compression plate 32 structure of movable setting, can be clamped to various ship body structures quickly and effectively, and clamping firm effect is good, better provide stress point, use more flexible, and there is certain height adjustment between clamping plate 33, and screw rod 6 has certain length adjustment, convenient for the positioning and installation of pull plate 31, after construction is completed, can quickly remove tensioning component 3, and it is convenient to disassemble and can be repeatedly used, effectively improve construction efficiency, reduce labor intensity.

[0028] Preferably, electric heater 5 is located above the bottom surface of extrusion plate 4, to avoid the problem of damage caused by extrusion force acting on electric heater 5, and an adjusting mechanism is provided between electric heater 5 and extrusion plate 4 for adjusting the distance between electric heater 5 and extrusion plate 4, so that the position of electric heater 5 is adjustable. Specifically, the adjusting mechanism includes a stud 8 and a guide rod 9, wherein one end of the guide rod 9 is fixedly connected with the electric heater 5, and the other end is slidably inserted into the extrusion plate 4; one end of the stud 8 is rotatably mounted on the electric heater 5 through a bearing, and the other end is threadedly connected with a threaded groove provided in the extrusion plate 4; a hexagonal block is provided at the middle position of the stud 8 to facilitate rotation of the stud 8. In application, by rotating the stud 8, the stud 8 is inserted into the extrusion plate 4, which can drive the electric heater 5 to move closer to one side of the extrusion plate 4, thereby adjusting the distance between the electric heater 5 and the extrusion plate 4. The guide rod 9 serves as a guide to prevent the electric heater 5 from rotating.

[0029] Preferably, the length of the lower clamping plate 33 is less than the length of the upper clamping plate 33, so that the lower clamping plate 33 can be attached to the inner wall of the angle steel 15 of the ship body 14, effectively improving the clamping stability. Further, the end face of the lower clamping plate 33 is also provided with a pad 10 through a plurality of countersunk head screws. In actual application, the pad 10 can be attached to the inner wall of the angle steel 15, so as to realize clamping of angle steels with different thicknesses, and the application range is wider.

[0030] Preferably, a clamping groove 11 is also provided in the middle position of the clamping plate 33. When the component at the top of the ship body 14 is a steel ball head or a "T" shaped piece, the steel ball head or the "T" shaped piece can pass through the clamping groove 11 and be clamped on the clamping plate 33, so as to realize clamping and fixing. The width of the clamping groove 11 corresponding to the upper clamping plate 33 is less than the width of the clamping groove 11 corresponding to the lower clamping plate 33, so as to be applicable to steel ball heads or "T" shaped pieces with different widths, and the application range is wider.

[0031] Preferably, the screw rod 6 is threadedly connected with the pull plate 31, so as to facilitate disassembly and maintenance. A limiting nut 12 is also threadedly connected with the screw rod 6 on the side opposite to the clamping plate 33, so as to prevent loosening of the screw rod 6. In the embodiment, when a lifting lug is encountered at the top of the ship body 14, a bolt can also be used to pass through the lifting lug and be threadedly connected in the threaded hole of the pull plate 31 corresponding to the screw rod 6, so as to realize clamping and fixing, and the application range is wider.

[0032] Preferably, a handle 13 is also provided on the cross beam 1, so as to facilitate movement of the cross beam 1 and the tensioning assembly 3.

[0033] An auxiliary ship body pyrotechnic correction construction method comprises the auxiliary ship body pyrotechnic correction tool described above, and the method comprises the following steps:

[0034] S1, the two pull plates 31 corresponding to the two tensioning assemblies 3 are respectively sleeved on the cross beam 1;

[0035] S2, the cross beam 1 and the tensioning assembly 3 are moved to the deformed position of the ship body 14;

[0036] S3, the two pull plates 31 corresponding to the two tensioning assemblies 3 are moved, so that the lower clamping plate 33 on the pull plate 31 is clamped into the angle steel 15 of the ship body 14;

[0037] S4, the pressing plate 32 is sleeved on the screw rod 6, and the locking nut 7 is tightened, so that the clamping plate 33 and the pressing plate 32 are tightly engaged on the angle steel 15;

[0038] S5, the jack 2 is placed below the cross beam 1 between the two tensioning assemblies 3, so that the pressing plate 4 at the output end of the jack 2 is attached to the deformed position of the ship body 14, and the jack 2 is adjusted, so that the top of the jack 2 is attached to the bottom of the cross beam 1;

[0039] S6, start the electric heater 5, heat the ship body 1, and adjust the extension of the jack 2 to extrude the deformation of the ship body 14 until the deformation of the ship body 14 is extruded flat;

[0040] S7, remove the tensioning assembly 3 from the ship body 14, and move away, complete the ship body explosive correction.

[0041] Wherein, the step S6 comprises the following steps:

[0042] S6.1, start the electric heater 5, start heating the ship body 14, until the ship body 14 is red, the ship body 14 is red, which means that the ship body 14 is heated to 600-1000 DEG C;

[0043] S6.2, close the electric heater 5, stop heating the ship body 14, adjust the extension of the jack 2 to extrude the deformation of the ship body 14, stop after the extension of the jack 2 is 2mm, keep still until the ship body 14 is gray, the ship body 14 is gray, which means that the ship body 14 is cooled to below 100 DEG C, adjust the electric heater 5 to approach the extrusion plate 4; the way of heating and then extruding makes the deformation of the ship body 14 more easily extruded to be flat, and the way of extruding 2mm each time and heating the position of the ship body 14 each time along the deformation close to the ship body 14 can make the structure of the ship body 14 better after extruding;

[0044] S6.3, repeat steps S6.1 and S6.2 until the deformation of the ship body 14 is extruded flat.

[0045] The auxiliary ship body explosive correction construction method of the utility model ingeniously uses the convex parts of the spherical head of the ship body structure steel, the folded angle edge of the angle steel or the "T" type piece panel as the stress point, realizes the rapid construction, and avoids damaging the ship body.

[0046] The above is only the preferred embodiment of the utility model, it should be pointed out that for those skilled in the art, without departing from the structure of the utility model, still can make a number of deformation and improvement, these will not affect the effect and the practicality of the patent of the utility model implementation.

Claims

1. An auxiliary hull firework correction tool, characterized in that, The utility model provides a kind of tensioning device, including crossbeam (1), jack (2) and two tensioning components (3), the tensioning component (3) includes pull plate (31), pressing plate (32) and two clamping plates (33), two corresponding pull plate (31) of the two tensioning components (3) are slidably sleeved on crossbeam (1), the jack (2) is movably placed below crossbeam (1) between two tensioning components (3), and the output end of the jack (2) is detachably installed with extrusion plate (4), both sides of the extrusion plate (4) are equipped with position adjustable electric heater (5), two clamping plates (33) are arranged in the lower part of pull plate (31) from bottom to top, and the lower part of the pull plate (31) is equipped with at least two parallel arranged screw rods (6), the screw rod (6) is penetrated between two clamping plates (33) and is screw-connected with locking nut (7), and the pressing plate (32) is movably sleeved on the screw rod (6) between clamping plate (33) and locking nut (7).

2. The tooling for assisting the correction of a ship's body defect by using explosive according to claim 1, wherein, The electric heater (5) is located above the bottom surface of the extrusion plate (4), and the electric heater (5) and the extrusion plate (4) are provided with an adjusting mechanism for adjusting the distance of the electric heater (5) relative to the extrusion plate (4).

3. The tooling for assisting the correction of a ship's body work according to claim 2, characterized in that, The adjusting mechanism includes a stud (8) and a guide rod (9), one end of the guide rod (9) is fixedly connected with the electric heater (5), the other end is slidably inserted into the extrusion plate (4), one end of the stud (8) is rotatably mounted on the electric heater (5) through a bearing, and the other end is screw-connected with a threaded groove provided in the extrusion plate (4).

4. The tooling for assisting the correction of a ship's body work according to claim 1, characterized in that, The length of the lower clamping plate (33) is less than that of the upper clamping plate (33).

5. The tooling for assisting the correction of a ship's body work according to claim 4, characterized in that, The end surface of the lower clamping plate (33) is further provided with a pad (10) through a plurality of countersunk head screws.

6. The tooling for assisting the correction of a ship's bodywork according to claim 1, characterized in that, The middle position of the clamping plate (33) is further provided with a clamping groove (11), and the width of the clamping groove (11) of the upper clamping plate (33) is less than that of the lower clamping plate (33).

7. The tooling for assisting the correction of a ship's body work according to claim 1, characterized in that, The screw rod (6) and the pull plate (31) are screw-connected, and a limiting nut (12) is further screw-connected on the screw rod (6) opposite to the clamping plate (33).

8. The tooling for straightening a ship body explosive according to any one of claims 1-7, characterized in that, The crossbeam (1) is further provided with a handle (13).

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