Marine steel plate back burning equipment

Abstract

The invention relates to the field of ship welding devices, in particular to ship steel plate back burning equipment which comprises a back burning mechanism, the back burning mechanism comprises a bottom plate supporting frame, a nozzle mounting mechanism and a back burning position adjusting mechanism, the nozzle mounting mechanism comprises a mounting base and a movable sliding block, and an arc-shaped mounting frame is mounted above the mounting base; supporting connecting rods are mounted on the upper surfaces of the two ends of the arc-shaped mounting frame, an arc-shaped sliding groove is formed in the upper surface of the mounting base, a positioning bolt is mounted in the arc-shaped sliding groove in the arc-shaped mounting frame, the back burning position adjusting mechanism comprises a first positioning swing arm and a second positioning swing arm, and an ink fountain is mounted at the end, away from the driving connecting shaft, of the first positioning swing arm. After an elastic line in the ink fountain is pulled out, the elastic line is positioned after the elastic line corresponds to the position of a steel plate needing to be sintered, the sintering position is conveniently determined, an arc-shaped mounting frame is arranged above a mounting base and matched with angle reading to be used for controlling the orientation of the arc-shaped mounting frame, and the arc-shaped mounting frame is positioned through positioning bolts; the directions of the nozzles and the water pipes can be synchronously controlled.

Description

Technical Field

[0001] The invention relates to the field of ship welding devices, in particular to ship steel plate back-burning equipment. Background Art

[0002] The hull components are made of a large number of steel materials connected together. A very high connection process is required to ensure that they have sufficient strength and good watertightness. The main connection methods for hull components are welding and riveting. Due to the rapid development of welding technology and the fact that welding has more advantages than riveting, welding is currently basically used in shipbuilding. Welding is a process of locally heating the connected components to make them reach a liquid or near-liquid state and fuse them. The main welding methods are arc welding and gas welding. Arc welding, commonly known as electric welding, uses arc as a heating source, has high work efficiency and is easy to use. It is the most widely used in shipbuilding. Gas welding uses oxyacetylene gas combustion as a heating source, and is mainly used for welding thin plates and non-ferrous metals and repairing cast steel. At present, most of the small group welding in shipyards still uses manual welding. After the steel plate is butt-welded, deformation will inevitably occur, which requires heating and watering on the back (convex surface), commonly known as "water and fire correction". Some are "thin horse deformation" after the structure is welded, which also requires "water and fire correction". Summary of the invention

[0003] In view of the existing problems, the present invention provides a ship steel plate back-burning device, which can effectively solve the problems raised in the background technology when used in combination.

[0004] To solve the above problems, the present invention adopts the following technical solutions:

[0005] The back-burning equipment of ship steel plate includes a back-burning mechanism, which includes: a bottom plate support frame, a nozzle mounting mechanism, and a back-burning adjustment mechanism. The nozzle mounting mechanism includes: a mounting base and a movable slider. An arc-shaped mounting frame is installed above the mounting base, and support connecting rods are installed on the upper surfaces of both ends of the arc-shaped mounting frame. A nozzle pipe clamp is installed above the support connecting rod. An arc-shaped slide groove is provided on the upper surface of the mounting base, and a positioning bolt is installed inside the arc-shaped slide groove on the arc-shaped mounting frame. The back-burning adjustment mechanism includes: a first positioning swing arm and a second positioning swing arm. A driving coupling is connected between the first positioning swing arm and the second positioning swing arm and is located inside the bottom plate support frame. An ink fountain is installed on the end of the first positioning swing arm away from the driving coupling, and a spring line slot is provided on the end of the second positioning swing arm away from the driving coupling.

[0006] As a further solution of the present invention: a ratchet gear is installed on the outer side of the driving shaft, close to one end of the first positioning swing arm, and one side of the ratchet gear is located on the outer side of the back-burning mechanism and is connected to a limiting ratchet pawl through an elastic rotating shaft.

[0007] As a further solution of the present invention: a longitudinal movable guide rail is installed on the upper surface of the base plate support frame below the movable slider, and a tank chain is installed on the back-burning mechanism below the nozzle mounting mechanism.

[0008] As a further solution of the present invention: a lateral moving guide rail is installed inside the lower part of the back-burning mechanism, a positive and negative threaded rod is installed inside the lateral moving guide rail, and one end of the positive and negative threaded rod is connected to a rotating crank.

[0009] As a further solution of the present invention: an angle reading is provided on the upper surface of the mounting base outside the arc-shaped slide groove, and a rotating shaft is installed between the arc-shaped mounting frame and the mounting base.

[0010] As a further solution of the present invention: the first positioning swing arm is fixedly connected to the second positioning swing arm via the driving coupling, and the ink fountain is rotatably connected to the first positioning swing arm.

[0011] As a further solution of the present invention: the positioning bolt is engaged and movably connected with the arc-shaped mounting frame, a positioning clip is installed at the lower end of the positioning bolt, and the mounting base is fixedly connected with the movable slider.

[0012] As a further solution of the present invention: the back-burning mechanism is movably connected with the positive and negative threaded rods in meshing engagement.

[0013] As a further solution of the present invention: the limit pawl is movably connected to the back-burning mechanism through an elastic rotating shaft, the limit pawl is meshed and engaged with the ratchet gear, and the ratchet gear is fixedly connected to the driving shaft.

[0014] As a further solution of the present invention: one end of the tank chain is fixedly connected to the nozzle mounting mechanism, and the nozzle mounting mechanism is slidably connected to the longitudinal movable guide rail.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The arc-shaped mounting frame rotates above the mounting base using a rotating shaft, and the angle reading on the mounting base is used to control the direction of the arc-shaped mounting frame. The arc-shaped mounting frame is positioned by applying torque to the positioning bolts, and the directions of the sprinkler heads and water pipes can be controlled synchronously.

[0017] 2. After pulling out the elastic line inside the ink fountain, pull one end of the line into the elastic line slot on the second positioning swing arm, and then position the elastic line at the position of the steel plate to be sintered, so as to facilitate the determination of the sintering position and ensure that the sintering points of the nozzle installation mechanism are on the same straight line when back-firing.

[0018] 3. By applying torque to the rotating crank, the forward and reverse screws can be driven to rotate. The rotating forward and reverse screws are engaged with the base plate support frame to control the overall synchronous movement of the base plate support frame above the lateral moving guide rail. The tank chain is then used to control the nozzle installation mechanism to move above the longitudinal moving guide rail, and the corresponding position of the nozzle on the nozzle pipe clamp is controlled to perform back-burning treatment.

[0019] 4. The nozzles can be installed on the two bottom plate support frames simultaneously, so the back-burning treatment of two heating reference lines is adopted. At the same time, the angle of inclination of the arc-shaped mounting frame is controlled, and the heating points can be arranged in a staggered manner on the two heating reference lines. When the back-burning is corrected, staggered point heating is performed on the heating points on the heating reference lines, which greatly reduces the operating intensity of the operators and improves the production efficiency of the pyrotechnic back-burning of small group welding components. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a structural diagram of the ship steel plate back-burning equipment;

[0021] Figure 2 This is a structural schematic diagram of the back-burning adjustment mechanism in the back-burning equipment for marine steel plates;

[0022] Figure 3 This is a schematic diagram of the structure of the nozzle installation mechanism in the ship steel plate back-burning equipment;

[0023] Figure 4 It is a top view of the back-burning mechanism in the back-burning equipment for marine steel plates;

[0024] Figure 5 It is a side view of the back-burning mechanism in the back-burning equipment for marine steel plates;

[0025] Figure 6 This is a schematic diagram of the back-firing points in the ship steel plate back-firing equipment.

[0026] In the figure: 1. back-burning mechanism; 2. bottom plate support frame; 3. longitudinal moving guide rail; 4. nozzle mounting mechanism; 5. back-burning adjustment mechanism; 6. transverse moving guide rail; 7. tank chain; 401. mounting base; 402. moving slider; 403. arc-shaped slide groove; 404. arc-shaped mounting frame; 405. positioning bolt; 406. supporting connecting rod; 407. nozzle pipe clamp; 501. first positioning swing arm; 502. second positioning swing arm; 503. ink fountain; 504. driving coupling; 505. elastic line slot; 506. ratchet gear; 507. limit pawl; 601. positive and negative threaded rod; 602. rotating crank. DETAILED DESCRIPTION

[0027] The present invention is further described below in conjunction with specific inventions, and the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the protection scope of the present invention.

[0028] In the description of this specification, the description with reference to the terms "this embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example, and the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0029] like Figure 1-3As shown, the present embodiment provides a back-burning device for a marine steel plate, comprising a back-burning mechanism 1, the back-burning mechanism 1 comprising: a bottom plate support frame 2, a nozzle mounting mechanism 4, a back-burning positioning mechanism 5, the nozzle mounting mechanism 4 comprising: a mounting base 401, a movable slider 402, the mounting base 401 is fixedly connected to the movable slider 402, an arc-shaped mounting frame 404 is mounted above the mounting base 401, a rotating shaft is mounted between the arc-shaped mounting frame 404 and the mounting base 401, support connecting rods 406 are mounted on the upper surfaces of both ends of the arc-shaped mounting frame 404, a nozzle pipe clamp 407 is mounted above the support connecting rod 406, an arc-shaped slide groove 403 is provided on the upper surface of the mounting base 401, and an angle is arranged on the outer side of the arc-shaped slide groove 403 on the upper surface of the mounting base 401. Reading, a positioning bolt 405 is installed inside the arc slide 403 on the arc mounting frame 404, the positioning bolt 405 is engaged and movably connected with the arc mounting frame 404, and a positioning clip is installed at the lower end of the positioning bolt 405. The back-burning adjustment mechanism 5 includes: a first positioning swing arm 501, a second positioning swing arm 502, and a driving shaft 504 is connected inside the bottom plate support frame 2 between the first positioning swing arm 501 and the second positioning swing arm 502. The first positioning swing arm 501 and the second positioning swing arm 502 are fixedly connected through the driving shaft 504. An ink fountain 503 is installed at one end of the first positioning swing arm 501 away from the driving shaft 504. The ink fountain 503 is rotatably connected to the first positioning swing arm 501, and the second positioning swing arm 502 is located away from the driving shaft 504. One end of the connecting shaft 504 is provided with an elastic line slot 505, and a ratchet gear 506 is installed at one end of the outer side of the driving connecting shaft 504 close to the first positioning swing arm 501. The ratchet gear 506 is fixedly connected to the driving connecting shaft 504, and one side of the ratchet gear 506 is located on the outer side of the back-burning mechanism 1 and is connected to a limiting pawl 507 through an elastic rotating shaft. The limiting pawl 507 is meshed and engaged with the ratchet gear 506, and the limiting pawl 507 is movably connected to the back-burning mechanism 1 through an elastic rotating shaft. The arc-shaped mounting frame 404 is rotated above the mounting base 401 by the rotating shaft, and the angle reading on the mounting base 401 is used to control the direction of the arc-shaped mounting frame 404, and the arc-shaped mounting frame 404 is positioned by applying torque to the positioning bolt 405 The first and second positioning swing arms 501 and 502 can be rotated as a whole inside the back-firing mechanism 1 by driving the connecting shaft 504, and the first and second positioning swing arms 501 and 502 can be synchronously controlled in their overall direction. After the elastic line inside the ink fountain 503 is pulled out, one end of the line is pulled into the elastic line slot 505 on the second positioning swing arm 502, and the elastic line is positioned at the position of the steel plate to be sintered, so as to facilitate the determination of the sintering position. At the same time, the limit pawl 507 is used to rotate the elastic shaft to control the limit fixation of the ratchet gear 506, so as to control the direction of the back-firing adjustment mechanism 5 as a whole to prevent affecting the back-firing process.

[0030] like Figure 2-4 As shown, in this embodiment, a longitudinal moving guide rail 3 is installed on the upper surface of the bottom plate support frame 2 below the moving slider 402, and the nozzle mounting mechanism 4 is slidably connected to the longitudinal moving guide rail 3. A tank chain 7 is installed on the back burning mechanism 1 below the nozzle mounting mechanism 4, and one end of the tank chain 7 is fixedly connected to the nozzle mounting mechanism 4. A transverse moving guide rail 6 is installed inside the lower part of the back burning mechanism 1, and a positive and negative threaded rod 601 is installed inside the transverse moving guide rail 6. The back burning mechanism 1 is engaged and movably connected with the positive and negative threaded rod 601, and one end of the positive and negative threaded rod 601 is connected to a rotating crank 602. The bottom plate support frame 2 is limitedly arranged above the transverse moving guide rail 6 as a whole, and the positive and negative threaded rod 601 can be driven to rotate when a torque is applied to the rotating crank 602. The rotating positive and negative threaded rod 601 is engaged with the bottom plate support frame 2 to control the bottom plate support frame 2 to move synchronously above the transverse moving guide rail 6 as a whole. When the small group back burning is performed, the reinforcing ribs are moved from the bow to the ship. All the members from the stern to the end are backburned in the small group. The longitudinal web stiffeners of the deck, horizontal girder, longitudinal bulkhead, longitudinal girder, etc. are all backburned in the small group stage. When backburning in the middle assembly, all the frame materials at 800mm~1000mm away from the block closing edge are backburned. The first longitudinal bone or rib must be backburned and meet the construction standard of block anti-deformation. When backburning in the large assembly, the same backburning standard as the middle assembly backburning is adopted, and the selection of backburning depth is determined according to the following formula : d = 2 / 3t (d: backburn depth; t: plate thickness). When performing the step of selecting flame characteristics, a slightly oxygenated flame between a neutral flame and an oxygenated flame is selected. The slightly oxygenated flame is composed of a flame core, an inner flame and an outer flame. When the plate thickness is less than 3 mm, a No. 1 flame spray nozzle is used; when the plate thickness is between 3 and 5 mm, a No. 2 flame spray nozzle is used; when the plate thickness is between 6 and 12 mm, a No. 2 or No. 3 flame spray nozzle is used; when the plate thickness is greater than 12 mm, a No. 4 flame spray nozzle is used.

[0031] The working principle of the present invention is: when in use, the bottom plate support frame 2 is placed as a whole below the plate to be back-burned, and the arc-shaped mounting frame 404 is rotated above the mounting base 401 by using the rotating shaft, and the angle reading on the mounting base 401 is used to control the direction of the arc-shaped mounting frame 404, and the arc-shaped mounting frame 404 is positioned by applying torque to the positioning bolt 405, and the corresponding nozzle and water pipe are installed on the nozzle pipe clamp 407. At the same time, the first positioning swing arm 501 and the second positioning swing arm 502 can be rotated as a whole inside the back-burning mechanism 1 by using the driving shaft 504 to control the synchronous direction of the first positioning swing arm 501 and the second positioning swing arm 502 as a whole, and after the elastic line inside the ink fountain 503 is pulled out, one end of the line is pulled out Pull it to the inside of the elastic line slot 505 on the second positioning swing arm 502, and then position the elastic line at the position of the steel plate that needs to be sintered, so as to facilitate the determination of the sintering position. At the same time, the limit pawl 507 is used to control the limit fixation of the ratchet gear 506 by utilizing the rotation of the elastic shaft, so as to control the direction of the back-burning adjustment mechanism 5 as a whole to prevent affecting the back-burning process. When the torque is applied to the rotating crank 602, the forward and reverse screw rods 601 can be driven to rotate, and the rotating forward and reverse screw rods 601 are engaged with the base plate support frame 2 to control the base plate support frame 2 to move synchronously as a whole above the lateral moving guide rail 6, and then the nozzle mounting mechanism 4 is controlled as a whole to move above the longitudinal moving guide rail 3 through the tank chain 7, so as to control the corresponding position of the nozzle on the nozzle tube clamp 407 to perform back-burning process.

[0032] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A back-burning device for ship steel plates, comprising a back-burning mechanism (1), characterized in that: The back-burning mechanism (1) comprises: a base support frame (2), a nozzle mounting mechanism (4), and a back-burning positioning mechanism (5); the nozzle mounting mechanism (4) comprises: a mounting base (401) and a movable slider (402); an arc-shaped mounting frame (404) is mounted above the mounting base (401); support connecting rods (406) are mounted on the upper surfaces of both ends of the arc-shaped mounting frame (404); a nozzle pipe clamp (407) is mounted above the support connecting rod (406); an arc-shaped sliding groove (403) is provided on the upper surface of the mounting base (401); a movable slider (402) is mounted on the movable slider (402); an arc-shaped mounting frame (404) is mounted on the upper surface of both ends of the arc-shaped mounting frame (404); a nozzle pipe clamp (407) is mounted on the upper surface of the movable slider (402); a movable slider (402) is mounted on ...) A positioning bolt (405) is installed inside the arc-shaped slide groove (403), and the back-burning adjustment mechanism (5) includes: a first positioning swing arm (501) and a second positioning swing arm (502), and a driving shaft (504) is connected between the first positioning swing arm (501) and the second positioning swing arm (502) inside the bottom plate support frame (2), and the first positioning swing arm (501) is located at an end away from the driving shaft (504) and is installed with an ink fountain (503), and the second positioning swing arm (502) is located at an end away from the driving shaft (504) and is provided with an elastic line slot (505).

2. The ship steel plate back-burning equipment according to claim 1, characterized in that: A ratchet gear (506) is installed on the outer side of the driving shaft (504) at one end close to the first positioning swing arm (501), and one side of the ratchet gear (506) is located on the outer side of the back-burning mechanism (1) and is connected to a limiting ratchet pawl (507) via an elastic rotating shaft.

3. The ship steel plate back-burning equipment according to claim 1, characterized in that: A longitudinal moving guide rail (3) is installed on the upper surface of the bottom plate support frame (2) below the moving slider (402), and a tank chain (7) is installed on the back-burning mechanism (1) below the nozzle mounting mechanism (4).

4. The ship steel plate back-burning equipment according to claim 1, characterized in that: A lateral moving guide rail (6) is installed inside the lower part of the back-burning mechanism (1), a positive and negative threaded rod (601) is installed inside the lateral moving guide rail (6), and one end of the positive and negative threaded rod (601) is connected to a rotating crank (602).

5. The ship steel plate back-burning equipment according to claim 1, characterized in that: An angle reading is provided on the upper surface of the mounting base (401) outside the arc-shaped slide groove (403), and a rotating shaft is installed between the arc-shaped mounting frame (404) and the mounting base (401).

6. The ship steel plate back-burning equipment according to claim 1, characterized in that: The first positioning swing arm (501) and the second positioning swing arm (502) are fixedly connected via the driving coupling (504), and the ink fountain (503) is rotationally connected to the first positioning swing arm (501).

7. The ship steel plate back-burning equipment according to claim 1, characterized in that: The positioning bolt (405) is engaged and movably connected with the arc-shaped mounting frame (404), a positioning clip is installed at the lower end of the positioning bolt (405), and the mounting base (401) is fixedly connected with the movable slider (402).

8. The ship steel plate back-burning equipment according to claim 4, characterized in that: The back-burning mechanism (1) is movably connected to the forward and reverse threaded rods (601) in meshing engagement.

9. The ship steel plate back-burning equipment according to claim 2, characterized in that: The limiting pawl (507) is movably connected to the back-burning mechanism (1) via an elastic rotating shaft, the limiting pawl (507) is meshed and engaged with the ratchet gear (506), and the ratchet gear (506) is fixedly connected to the driving shaft (504).

10. The ship steel plate back-burning equipment according to claim 3, characterized in that: One end of the tank chain (7) is fixedly connected to the nozzle mounting mechanism (4), and the nozzle mounting mechanism (4) is slidably connected to the longitudinal movable guide rail (3).

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