CN112207411B

CN112207411B - Aluminum steel transition joint explosive welding vacuum device for ships

Info

Publication number: CN112207411B
Application number: CN202011058011.7A
Authority: CN
Inventors: 王强; 贾宁波; 朱海涛; 杨成林; 皮勇
Original assignee: Hubei Meike Jingyi Technology Co ltd
Current assignee: Hubei Meike Jingyi Technology Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2022-05-17
Anticipated expiration: 2040-09-30
Also published as: CN112207411A

Abstract

The invention discloses an aluminum steel transition joint explosion welding vacuum device for ships, which comprises a fort, wherein a film covering mechanism is arranged in the middle position of the upper surface of the fort, stand columns are vertically connected to four corners of the upper surface of the fort, sealing mechanisms are horizontally connected between the upper ends of the four stand columns, and first L-shaped blocks are arranged on two sides of the rear part of a container frame. The invention relates to the technical field of explosive welding vacuum, and discloses an aluminum steel transition joint explosive welding vacuum device for ships.

Description

Aluminum steel transition joint explosive welding vacuum device for ships

Technical Field

The invention relates to the technical field of explosive welding vacuum, in particular to an aluminum steel transition joint explosive welding vacuum device for ships.

Background

When designing and manufacturing high-speed ships and warships, in order to reduce the center of gravity of the ship body and improve the speed and navigation stability of the ship, the upper building usually adopts an aluminum alloy structure, the main ship body is a steel structure, and the main ship body are connected by adopting an aluminum steel transition joint, so that the structure effectively reduces the center of gravity of the ship body, improves the navigation performance of the ship and reduces energy consumption, the aluminum steel transition joint is generally manufactured in an explosion welding mode, the aluminum steel transition joint produced by the process has high bonding strength and is not easy to corrode, but in the actual production, large-area plate explosion welding is carried out in the open air, because the interface air is almost subjected to adiabatic compression to generate heat in the explosion welding process, and metal jet flow is generated on the surface of a double plate in the explosion welding process, the combined action of the factors enables active components in pure aluminum and aluminum alloy to react with the components in the air to produce oxides, Nitride, carbide, hydride and the like, which are gathered at the aluminum steel bonding interface to influence the bonding strength of the interface and have potential safety hazard, so that the aluminum steel is usually subjected to explosive welding in vacuum to eliminate the influence of air on the explosive welding.

The invention discloses a local vacuum explosive welding method with Chinese patent number CN101462199A, belongs to the field of metal composite plate manufacturing, and relates to an explosive welding method for forming local vacuum in a gap between a base plate and a composite plate to produce the composite plate. The method is characterized in that an air bag, film bonding, mechanical clamping and elastic sealing strip are adopted to seal a gap space between a substrate and a compound plate, the gap space is pumped into negative pressure through an air pumping hole, then explosive is detonated, and explosive welding is implemented. The invention has the advantages that the sealed space containing the gap between the substrate and the compound plate is formed in an economical and simple one-time sealing mode.

However, when the welding device is used, although the flexible material is adopted to realize vacuum sealing, the sealing cost and the explosion risk are reduced, the flexible sealing is disposable sealing, manual sealing needs to be carried out again after each explosion, which is very troublesome, and the defect is not correspondingly improved.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an aluminum steel transition joint explosion welding vacuum device for ships, which solves the problem that when the welding device is used, although flexible materials are adopted to realize vacuum sealing, the sealing cost and the explosion risk are reduced, the flexible sealing is one-time sealing, and manual sealing is needed again after each explosion, which is very troublesome.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a naval vessel is with aluminium steel transition joint explosive welding vacuum apparatus, includes the fort, the upper surface intermediate position department of fort is provided with covering membrane mechanism, and four corners of the upper surface of fort all are connected with the stand perpendicularly, four horizontally connect has sealing mechanism between the upper end of stand.

The film covering mechanism comprises a container frame, wherein first L-shaped blocks are arranged on two sides of the rear of the container frame, two second L-shaped blocks are symmetrically arranged on the front surface of the container frame, a scroll is connected between the first L-shaped blocks in a rotating mode, a film is wound on the outer surface of the scroll, two lead screws are connected between the second L-shaped blocks and the two first L-shaped blocks in a rotating mode, two concave rods matched with the lead screws in a sleeved mode are arranged between the lead screws, the rear surfaces of the two sides of each concave rod are connected with clips, and an air suction opening communicated with the concave rods is formed in a position, close to the lower portion of the lead screws, of one side face of the rear of the container frame.

Preferably, the front surfaces of the two second L-shaped blocks are respectively embedded with a transmission wheel in a rotating manner, the two transmission wheels are in transmission connection through a transmission belt, and the front surface of one of the transmission wheels is provided with a first servo motor.

Preferably, the distance between two of said clips is equal to the width of the film, said width of the film being greater than the width of the container frame.

Preferably, a PLC controller is fixedly installed at a position, close to the lower position of the screw rod, of one side face in front of the container frame, an air pressure sensor is installed at a position, close to the rear position of the PLC controller, of one side face of the container frame in an embedded mode, and an alarm is fixedly installed at a position, close to one side of the film covering mechanism, of the upper surface of the fort.

Preferably, the output end of the air pressure sensor is electrically connected with the input end of the PLC controller through a wire, and the output end of the PLC controller is electrically connected with the input end of the alarm through a wire.

Preferably, the sealing mechanism comprises a support plate, the front and rear upper surfaces of the support plate are symmetrically provided with two sliding shafts in a penetrating and sliding manner, a pressing part is fixedly connected between the lower ends of the sliding shafts, two limiting plates are horizontally connected between the upper ends of the sliding shafts and the other two sliding shafts, racks are vertically connected to the middle positions of the lower surfaces of the two limiting plates, the lower ends of the two racks are respectively arranged on the front and rear upper surfaces of the support plate in a penetrating and sliding manner, and sliding grooves matched with the racks are formed in the front and rear upper surfaces of the support plate.

Preferably, the lower surfaces of the front side and the rear side of the support plate are respectively provided with a convex block, a second servo motor is embedded into the front surface of one of the convex blocks, an output shaft of the second servo motor is horizontally connected with a rotating shaft, one end of the rotating shaft is rotatably connected with the front surface of the other convex block, gears corresponding to the two racks are sleeved on the outer surfaces of the two ends of the rotating shaft, and one sides of the two gears are respectively meshed with one side of the lower ends of the two racks.

Preferably, the pressing member comprises a rectangular frame, the length and the width of the rectangular frame are respectively equal to those of the container frame, the lower ends of the four sliding shafts are respectively connected to four corners of the upper surface of the rectangular frame, arc-shaped strips are uniformly connected between the upper surfaces of two sides of the rectangular frame, the distance between the arc-shaped strips is smaller than the size of explosive fragments, and a rubber pad is fixedly bonded to the lower surface of the rectangular frame.

Advantageous effects

The invention provides an aluminum steel transition joint explosive welding vacuum device for ships, which has the following beneficial effects compared with the prior art:

(1) this naval vessel is with aluminium steel transition joint explosive welding vacuum apparatus, through setting up covering membrane mechanism, when needs welding, under first servo motor's rotation, two drive wheels can drive two lead screws and rotate, can make it drive the spill pole like this and remove, fix the clip on the spill pole on the film, then can realize automatic covering membrane work, overlap the upper surface at container frame with the film, need not artifical covering membrane, not only reduced artificial intensity of labour, but also improved work efficiency.

(2) This naval vessel is with aluminium steel transition joint explosive welding vacuum apparatus through setting up sealing mechanism, under second servo motor's rotation, lets make the epaxial gear of commentaries on classics drive the rack and remove, and the rectangle frame can press the film at container frame's upper surface like this, has guaranteed sealing performance, and under the stopping of each arc strip, when the welding explodes, the arc strip can play the guard action, prevents that the piece of explosion from causing the damage of equipment.

(3) This naval vessel is with aluminium steel transition joint explosive welding vacuum apparatus through setting up pressure sensor, when giving the evacuation in with the container frame, pressure sensor can detect the inside pressure condition of container frame, if when taking place the gas leakage condition, can make the siren take place the sound and remind the staff, makes the staff in time make corresponding measure.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a schematic structural view of the film covering mechanism of the present invention;

FIG. 3 is a schematic structural exploded view of the sealing mechanism of the present invention;

FIG. 4 is a schematic connection diagram of the gear structure of the present invention;

FIG. 5 is a schematic view of a compression element configuration of the present invention.

In the figure: 1. a fort; 101. an alarm; 2. a film covering mechanism; 21. a container frame; 2101. a PLC controller; 2102. an air pressure sensor; 22. a first L-shaped block; 23. a second L-shaped block; 231. a driving wheel; 232. a transmission belt; 233. a first servo motor; 24. a reel; 25. a film; 26. a screw rod; 27. a concave rod; 28. a clip; 29. an air extraction opening; 3. a column; 4. a sealing mechanism; 41. a support plate; 42. a slide shaft; 43. pressing parts; 431. a rectangular frame; 432. an arc-shaped strip; 433. a rubber pad; 44. a limiting plate; 45. a rack; 46. a sliding groove; 47. a bump; 48. a second servo motor; 49. a rotating shaft; 410. a gear.

Detailed Description

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

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a naval vessel is with aluminium steel transition joint explosive welding vacuum apparatus, includes fort 1, and the upper surface intermediate position department of fort 1 is provided with mantle mechanism 2, and four corners of the upper surface of fort 1 all are connected with stand 3 perpendicularly, and horizontally connect has sealing mechanism 4 between the upper end of four stands 3.

Referring to fig. 2, the film covering mechanism 2 includes a container frame 21, first L-shaped blocks 22 are disposed on two rear sides of the container frame 21, two second L-shaped blocks 23 are symmetrically disposed on a front surface of the container frame 21, a reel 24 is rotatably connected between the two first L-shaped blocks 22, a film 25 is wound on an outer surface of the reel 24, a lead screw 26 is rotatably connected between the two second L-shaped blocks 23 and the two first L-shaped blocks 22, a concave rod 27 adapted to the two lead screws 26 is sleeved between the two lead screws 26, clamps 28 are connected to rear surfaces of two sides of the concave rod 27, an air suction opening 29 communicated with the lead screw 26 is disposed at a position on a rear side surface of the container frame 21 close to a lower portion of the lead screw 26, driving wheels 231 are rotatably mounted on the front surfaces of the two second L-shaped blocks 23, the two driving wheels 231 are rotatably connected by a driving belt 232, and a first servo motor 233 is disposed on a front surface of one of the driving wheels 231, when the first servomotor 233, model MHMD082P1U, is rotated, the distance between the two clamps 28 is equal to the width of the film 25, the width of the film 25 is greater than the width of the container frame 21, in order that the film 25 can cover the container frame 21, a PLC controller 2101 is fixedly installed at a lower position of the front side surface of the container frame 21 near the screw rod 26, and a position of one side of container frame 21 near the rear of PLC controller 2101 is embedded with baroceptor 2102, a position of one side of upper surface of fort 1 near covering membrane mechanism 2 is fixed with alarm 101, the output of baroceptor 2102 passes through wire and input electric connection of PLC controller 2101, the output of PLC controller 2101 passes through wire and alarm 101's input electric connection, the model of PLC controller 2101 is KG316T220XK, the model of baroceptor 2102 is SBT.

Referring to fig. 3-5, the sealing mechanism 4 includes a supporting plate 41, two sliding shafts 42 are symmetrically installed on the front and rear upper surfaces of the supporting plate 41 in a penetrating and sliding manner, a pressing member 43 is fixedly connected between the lower ends of each sliding shaft 42, a limiting plate 44 is horizontally connected between the upper ends of the two sliding shafts 42 and the other two sliding shafts 42, racks 45 are vertically connected to the middle positions of the lower surfaces of the two limiting plates 44, the lower ends of the two racks 45 are respectively installed on the front and rear upper surfaces of the supporting plate 41 in a penetrating and sliding manner, sliding grooves 46 matched with the racks 45 are respectively formed on the front and rear upper surfaces of the supporting plate 41, bumps 47 are respectively formed on the front and rear lower surfaces of the supporting plate 41, a second servo motor 48 is embedded in the front surface of one of the bumps 47, a rotating shaft 49 is horizontally connected to an output shaft of the second servo motor 48, and one end of the rotating shaft 49 is rotatably connected to the front surface of the other bump 47, and the outer surfaces of both ends of the rotating shaft 49 are respectively provided with a gear 410 corresponding to the two racks 45 in a sleeved mode, one side of each gear 410 is respectively meshed with one side of the lower end of each rack 45, in order to firmly press the film 25 on the container frame 21 and play a role in sealing, the model of the second servo motor 48 is MHMD082P1U, the pressing piece 43 comprises a rectangular frame 431, the length and the width of the rectangular frame 431 are respectively equal to the length and the width of the container frame 21, the lower ends of the four sliding shafts 42 are respectively connected to four corners of the upper surface of the rectangular frame 431, arc-shaped bars 432 are uniformly connected between the upper surfaces of two sides of the rectangular frame 431, the distance between each arc-shaped bar 432 is smaller than the size of explosive fragments, and the lower surface of the rectangular frame 431 is fixedly bonded with a rubber pad 433 in order to prevent the explosive fragments from being ejected.

And those not described in detail in this specification are well within the skill of those in the art.

Film covering work: the power of the first servo motor 233 is switched on, under the transmission of the transmission belt 232, the first servo motor 233 can enable the two transmission wheels 231 to drive the two screw rods 26 to rotate, the two screw rods 26 drive the concave rod 27 to move, the concave rod 27 is firstly moved to the position of the first L-shaped block 22, then the two clamps 28 on the concave rod 27 clamp two sides of the film 25, then the first servo motor 233 is made to rotate reversely, the clamps 28 on the concave rod 27 drive the film 25 to move, and the film 25 covers the upper surface of the container frame 21.

Sealing operation: after the container frame 21 is covered by the film 25, the power supply of the second servo motor 48 is connected, so that the second servo motor 48 drives the two gears 410 on the rotating shaft 49 to rotate, the two gears 410 drive the rack 45 engaged with the gears to move, so that the rack 45 drives the sliding shaft 42 on the limiting plate 44 to slide downwards, the sliding shaft 42 drives the pressing piece 43 to slide downwards, the rubber pads 433 on the lower surface of the rectangular frame 431 are made to firmly press the film 25 on the upper surface of the container frame 21 by the elasticity of the rubber pads 433, this ensures the sealing properties, after which air can be drawn in the suction opening 29 in the container frame 21, after which the explosive welding operation can be carried out, after which, if the membrane 25 breaks, under the blocking of each arc-shaped strip 432, fragments generated by explosion can be prevented from being ejected, and further the protection effect on equipment is achieved.

And (3) pressure detection: during welding, the pressure sensor 2102 detects the pressure inside the container frame 21, and if the pressure inside the container frame 21 is abnormal, the pressure sensor 2102 transmits information to the PLC controller 2101, and the PLC controller 2101 causes the alarm 101 to sound to remind a worker.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a naval vessel is with aluminium steel transition joint explosive welding vacuum apparatus, includes fort (1), its characterized in that: a film covering mechanism (2) is arranged in the middle of the upper surface of the gun platform (1), stand columns (3) are vertically connected to four corners of the upper surface of the gun platform (1), and sealing mechanisms (4) are horizontally connected among the upper ends of the four stand columns (3);

the film covering mechanism (2) comprises a container frame (21), two sides at the rear of the container frame (21) are respectively provided with a first L-shaped block (22), two second L-shaped blocks (23) are symmetrically arranged on the front surface of the container frame (21), a reel (24) is rotatably connected between the two first L-shaped blocks (22), a film (25) is wound and installed on the outer surface of the scroll (24), lead screws (26) are rotatably connected between the two second L-shaped blocks (23) and the two first L-shaped blocks (22), a concave rod (27) matched with the lead screws (26) is sleeved between the two lead screws (26), the rear surfaces of two sides of the concave rod (27) are connected with clamps (28), and an air suction opening (29) communicated with the rear side surface of the container frame (21) is formed in the position, close to the lower portion of the screw rod (26), of one side surface of the rear portion of the container frame.

2. The aluminum steel transition joint explosive welding vacuum device for the ships and warships of claim 1, characterized in that: the front surfaces of the two second L-shaped blocks (23) are respectively embedded with a driving wheel (231) in a rotating mode, the two driving wheels (231) are in transmission connection through a transmission belt (232), and a first servo motor (233) is arranged on the front surface of one of the driving wheels (231).

3. The aluminum steel transition joint explosive welding vacuum device for the ships and warships of claim 1, characterized in that: the distance between the two clips (28) is equal to the width of the film (25), the width of the film (25) being greater than the width of the container frame (21).

4. The aluminum steel transition joint explosive welding vacuum device for the ships and warships of claim 1, characterized in that: a PLC (programmable logic controller) 2101 is fixedly installed at a position, close to the lower portion of the screw rod (26), of one side face in front of the container frame (21), an air pressure sensor (2102) is installed at a position, close to the rear portion of the PLC 2101, of one side face of the container frame (21) in an embedded mode, and an alarm (101) is fixedly installed at a position, close to the film covering mechanism (2), of the upper surface of the gun platform (1).

5. The aluminum steel transition joint explosive welding vacuum device for ships and warships of claim 4, characterized in that: the output end of the air pressure sensor (2102) is electrically connected with the input end of the PLC (2101) through a lead, and the output end of the PLC (2101) is electrically connected with the input end of the alarm (101) through a lead.

6. The aluminum steel transition joint explosive welding vacuum device for the ships and warships of claim 1, characterized in that: sealing mechanism (4) are including extension board (41), the equal symmetry of passing through slidable mounting in the front and back side upper surface of extension board (41) has two slide shafts (42), each fixedly connected with casting die (43) between the lower extreme of slide shaft (42), and two equal horizontally connect with limiting plate (44) between the upper end of slide shaft (42) and two other slide shafts (42), two the lower surface intermediate position department of limiting plate (44) all is connected with rack (45) perpendicularly, two the lower extreme of rack (45) passes through slidable mounting respectively in the front and back side upper surface of extension board (41), all set up with rack (45) assorted sliding tray (46) on the front and back side upper surface of extension board (41).

7. The aluminum steel transition joint explosive welding vacuum device for the ships and warships of claim 6, characterized in that: the lower surface of the front side and the rear side of the support plate (41) are respectively provided with a convex block (47), a second servo motor (48) is embedded into the front surface of one convex block (47), an output shaft of the second servo motor (48) is horizontally connected with a rotating shaft (49), one end of the rotating shaft (49) is rotatably connected with the front surface of the other convex block (47), the outer surfaces of the two ends of the rotating shaft (49) are respectively sleeved with gears (410) corresponding to the two racks (45), and one side of each gear (410) is respectively meshed with one side of the lower end of each rack (45).

8. The aluminum steel transition joint explosive welding vacuum device for the ships and warships of claim 6, characterized in that: the pressing piece (43) comprises a rectangular frame (431), the length and the width of the rectangular frame (431) are respectively equal to those of the container frame (21), the lower ends of the four sliding shafts (42) are respectively connected to four corners of the upper surface of the rectangular frame (431), arc-shaped strips (432) are uniformly connected between the upper surfaces of two sides of the rectangular frame (431), the distance between the arc-shaped strips (432) is smaller than the size of explosive fragments, and rubber pads (433) are fixedly bonded to the lower surface of the rectangular frame (431).