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CN-122007473-A - Pipe fitting drilling device and method for ship construction

CN122007473ACN 122007473 ACN122007473 ACN 122007473ACN-122007473-A

Abstract

The invention relates to the technical field of ship construction and discloses a pipe fitting drilling device and a method for ship construction, wherein the pipe fitting drilling device for ship construction comprises a base, a horizontally extending guide rail is arranged on the base, and a supporting structure for fixing a pipe fitting is arranged on the base; the drilling machine comprises a guide rail, a drill frame, a first locking component, a first clamping plate and a second locking component, wherein the drill frame is arranged on the guide rail in a sliding manner, the drill frame is provided with a drilling machine, the first locking component comprises a first driving piece, a first guide frame and a first clamping plate, the first clamping plate can synchronously move along with the drill frame through the first locking component arranged on the drill frame, before a drill bit drills a pipe fitting, the first clamping plate is driven to move downwards through the first driving piece, the pipe fitting is fixed at the position near the drilling position by the first clamping plate, then drilling operation is carried out, vibration and deformation of the pipe wall of the pipe fitting due to drilling are restrained, stability of the drilling process of the drill bit is improved, deflection and cutter yielding are avoided, and position accuracy and aperture consistency of the whole row of radial holes are ensured.

Inventors

  • CHEN SIBING
  • Peng Zhenqin
  • YE YUNLIN
  • LI MING
  • ZHANG MAO

Assignees

  • 广州文冲船厂有限责任公司

Dates

Publication Date
20260512
Application Date
20260303

Claims (10)

  1. 1. A pipe drilling device for ship building, comprising: The base (1), the base (1) is provided with a horizontally extending guide rail (2), and the base (1) is provided with a supporting structure (3) for fixing the pipe fitting (100); The drill frame (4) is arranged on the guide rail (2) in a sliding manner, and a drilling machine (5) is arranged on the drill frame (4); The first locking assembly (6) comprises a first driving piece (61), a first guide frame (62) and a first clamping plate (63), wherein the first guide frame (62) is installed on the drill frame (4) at a position close to the drilling machine (5), a first sliding groove (621) which extends vertically is formed in the first guide frame (62), the first clamping plate (63) is arranged in the first sliding groove (621) in a sliding mode, and the first driving piece (61) is connected with the first clamping plate (63); The first driving piece (61) is used for driving the first clamping plate (63) to move downwards to fix the pipe fitting (100) or driving the first clamping plate (63) to move upwards to release the pipe fitting (100).
  2. 2. A pipe drilling apparatus for ship building according to claim 1, wherein the support structure (3) comprises at least a pair of V-shaped wedges (31), two of the V-shaped wedges (31) being symmetrically disposed on the base (1) with respect to the axis of the pipe (100), each of the V-shaped wedges (31) being provided with a strap mounting portion (311) for mounting an elastic strap (312).
  3. 3. A pipe drilling device for ship building according to claim 1, characterized in that the support structure (3) comprises a second locking assembly (32), the second locking assembly (32) comprises a second driving member (321), a second guide frame (322) and a second clamping plate (323), the second guide frame (322) is slidably mounted on the guide rail (2), a second sliding groove (3221) extending vertically is arranged on the second guide frame (322), the second clamping plate (323) is slidably arranged in the second sliding groove (3221), and the second driving member (321) is connected with the second clamping plate (323); The second driving piece (321) is used for driving the second clamping plate (323) to move downwards to fix the pipe fitting (100), or driving the second clamping plate (323) to move upwards to release the pipe fitting (100).
  4. 4. A pipe drilling device for ship building according to claim 3, characterized in that the second locking assembly (32) further comprises a slide plate (324) and a first C-shaped plate (325), the slide plate (324) being provided at the bottom with a sliding groove matching the guide rail (2), the bottom of the second guide frame (322) being connected with the slide plate (324); The opening of first C template (325) is towards slide (324), the roof of first C template (325) with slide (324) are connected, be equipped with first locking bolt (326) that upwards extend on the diapire of first C template (325), the top of first locking bolt (326) be used for with base (1) butt.
  5. 5. A pipe drilling device for ship building according to claim 3, characterized in that the first guide frame (62) and the second guide frame (322) are both U-shaped guide frames, the openings of the U-shaped guide frames facing downwards; the two opposite side walls of the first guide frame (62) are respectively provided with a first chute (621) extending up and down, and two ends of the first clamping plate (63) are respectively arranged in the first chute (621) in a sliding way; The two opposite side walls of the second guide frame (322) are respectively provided with a second chute (3221) extending up and down, and two ends of the second clamping plate (323) are respectively arranged in the second chutes (3221) in a sliding manner.
  6. 6. The pipe drilling device for ship building according to claim 5, wherein the first clamping plate (63) and the second clamping plate (323) are V-shaped plates.
  7. 7. A pipe drilling device for ship building according to claim 1, characterized in that the drilling frame (4) comprises a top frame (41), a sliding assembly (42), a connecting bolt (43) and at least two vertically arranged angle steels (44); the sliding assembly (42) is arranged on the guide rail (2) in a sliding manner, the lower end of each angle steel (44) is connected with the sliding assembly (42), and a plurality of height adjusting holes (441) are formed in the side surface of each angle steel (44) at intervals along the vertical direction; A plurality of connecting holes (411) are formed in the periphery of the side wall of the top frame (41); The connecting bolt (43) passes through one of the height adjusting holes (441) and then is connected with one of the connecting holes (411) so as to fix the top frame (41) at a desired height.
  8. 8. The pipe drilling device for ship building according to claim 7, wherein a fixed baffle (413) is provided at one side of the top frame (41), and a plurality of positioning holes (412) are provided at the top of the top frame (41); The drill frame (4) further comprises a positioning bolt (46) and at least one movable baffle (45), and each movable baffle (45) is provided with a strip-shaped positioning long hole (451) respectively; The positioning bolt (46) passes through the positioning long hole (451) to be connected with one positioning hole (412) so as to lock the movable baffle plate (45) at different positions, and an installation space for accommodating and clamping the drilling machine (5) is formed between the fixed baffle plate (413) and the movable baffle plate (45).
  9. 9. A pipe drilling apparatus for ship building according to claim 7, wherein the sliding assembly (42) comprises: the U-shaped plate (421) is provided with a downward opening, and a plurality of rollers (422) matched with the guide rail (2) are rotationally arranged in the U-shaped plate (421); the second C-shaped plate (423) is provided with an opening facing the U-shaped plate (421), the inner side of the top of the second C-shaped plate (423) is connected with the outer surface of the top plate of the U-shaped plate (421), the bottom of the second C-shaped plate (423) is provided with a second locking bolt (424) extending upwards, and the top end of the second locking bolt (424) is used for being abutted to the base (1).
  10. 10. A pipe drilling method for ship building, using the pipe drilling apparatus for ship building according to any one of claims 1 to 9, comprising: s1, arranging and fixing a pipe fitting (100) on a supporting structure (3) of a base (1); S2, moving the drilling frame (4) to a target drilling position, operating the first driving piece (61) to drive the first clamping plate (63) of the first driving piece to move downwards, and clamping the pipe fitting (100) at the position near the drilling position; s3, starting the drilling machine (5) to drill holes; s4, operating the first driving piece (61) to drive the first clamping plate (63) to move upwards so that the first clamping plate (63) is separated from the pipe fitting (100); s5, repeating the steps S2 to S4.

Description

Pipe fitting drilling device and method for ship construction Technical Field The invention relates to the technical field of ship construction, in particular to a pipe fitting drilling device and method for ship construction. Background In the fields of ship construction and processing, a row of radial through holes on the same straight line are required to be machined on a process steel pipe along the axial direction, in order to facilitate drilling operation, a patent application document with the application publication number of CN113976948A discloses a steel pipe drilling device for ship construction, which comprises a base, a drilling mechanism, a steel pipe fixing mechanism and a containing frame, wherein the base is hollow in the C-shaped part, the drilling mechanism is arranged on the upper surface in the base, during operation, the steel pipe is placed in the fixing frame, a connecting seat is driven to move downwards through a rotary threaded rod, two side fixing blocks are driven to retract inwards through a connecting rod, so that clamping and positioning of two ends of the steel pipe are realized, and then the drilling mechanism moves to the position above a preset hole position along a sliding groove to drill. Because steel pipe for ship construction has characteristics such as the diameter is great, length is longer, when the drill bit carries out drilling to steel pipe middle part region, the cutting load easily leads to the pipe wall of pipeline to produce slight elastic vibration and local deformation, because the device carries out the clamp to the steel pipe through the fixed block at mount both ends only, is difficult to restrain steel pipe drilling region's vibration and deformation, leads to the drill bit stability to descend in drilling process, and then influences the positional accuracy of whole row radial hole, is difficult to satisfy ship construction's technical requirement. Disclosure of Invention The steel pipe drilling device for the ship construction, which is used for solving the technical problem, has the advantages that the existing steel pipe drilling device for the ship construction, which is used for distance-moving, clamps the steel pipe only through the fixing blocks at the two ends of the fixing frame, so that the dynamic deformation of a drilling area of the steel pipe is difficult to inhibit, the stability of a drill bit is reduced in the drilling process, and the position accuracy of the whole row of radial holes is further affected. In order to solve the above technical problems, the present invention provides a pipe drilling device for ship construction, comprising: The base is provided with a horizontally extending guide rail, and is provided with a supporting structure for fixing the pipe fitting; the drill frame is arranged on the guide rail in a sliding manner, and a drilling machine is arranged on the drill frame; the first locking assembly comprises a first driving piece, a first guide frame and a first clamping plate, wherein the first guide frame is arranged at a position, close to the drilling machine, on the drilling frame, a first sliding groove which extends vertically is formed in the first guide frame, the first clamping plate is arranged in the first sliding groove in a sliding mode, and the first driving piece is connected with the first clamping plate; The first driving piece is used for driving the first clamping plate to move downwards to fix the pipe fitting or driving the first clamping plate to move upwards to release the pipe fitting. Preferably, the support structure comprises at least a pair of V-shaped wedges, the two V-shaped wedges are symmetrically arranged on the base by taking the axis of the pipe as a reference, and each V-shaped wedge is provided with a binding band installation part for installing an elastic binding band. Preferably, the support structure comprises a second locking assembly, wherein the second locking assembly comprises a second driving piece, a second guide frame and a second clamping plate, the second guide frame is slidably arranged on the guide rail, a second sliding groove which extends vertically is arranged on the second guide frame, the second clamping plate is slidably arranged in the second sliding groove, and the second driving piece is connected with the second clamping plate; The second driving piece is used for driving the second clamping plate to move downwards to fix the pipe fitting or driving the second clamping plate to move upwards to release the pipe fitting. Preferably, the second locking assembly further comprises a sliding plate and a first C-shaped plate, a sliding groove matched with the guide rail is formed in the bottom of the sliding plate, and the bottom of the second guide frame is connected with the sliding plate; The opening of first C template is towards the slide, and the roof and the slide of first C template are connected, are equipped with upwards extending first locking