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CN-122007541-A - Manual cutting auxiliary device for ship construction

CN122007541ACN 122007541 ACN122007541 ACN 122007541ACN-122007541-A

Abstract

The application relates to the technical field of ship construction, in particular to a manual cutting auxiliary device for ship construction, which comprises a base body, a magnetic attraction piece, a guide piece and a locking piece, wherein the magnetic attraction piece is connected with the base body and is used for detachably connecting the base body with a segmented ship body, the guide piece is hinged with the base body and is provided with a guide surface for guiding a cutting torch, the locking piece is arranged on the base body and is used for locking the guide piece so that the inclination angle of the guide surface is the same as the welding bevel angle of the folding end of the segmented ship body, when the manual cutting auxiliary device is used, the magnetic attraction piece is used for stably adsorbing the base body of the device on the segmented ship body, then the inclination angle of the guide surface is locked into the standard angle of the welding bevel of the folding end through the locking piece, the cutting torch is cut along the guide surface, the cutting surface with high flatness and accurate angle is directly obtained, the subsequent polishing is not needed, the defect of manual cutting precision is eliminated, and the trimming operation efficiency of the folding end of the ship body segment is greatly improved.

Inventors

  • AN KAI
  • Lin Wenzuo
  • WANG XIAOXIANG
  • MIAO MINRUI
  • GONG YONGJUN

Assignees

  • 中船黄埔文冲船舶有限公司

Dates

Publication Date
20260512
Application Date
20260302

Claims (10)

  1. 1. A manual cutting assistance device for ship construction, comprising: A base body (1); The magnetic attraction piece (2) is connected to the base body (1), and the magnetic attraction piece (2) is used for detachably connecting the base body (1) to the segmented ship body; a guide (3) hinged to the base body (1), the guide (3) having a guide surface (31) for guiding a cutting torch; the locking piece (4) is arranged on the base body (1) and used for locking the guide piece (3) so that the inclination angle of the guide surface (31) is the same as the welding groove angle of the folding end of the segmented ship body.
  2. 2. Manual cutting assistance device for the construction of vessels according to claim 1, characterized in that the lower part of the guide (3) is hinged to the base body (1); The locking piece (4) comprises a swing rod (41) and a convex column (42), one end of the swing rod (41) is hinged to the upper portion of the guide piece (3), and the other end of the swing rod (41) is connected with the convex column (42); The base body (1) is provided with a positioning hole (14), and the convex column (42) is inserted into the positioning hole (14) to fix the swing rod (41) so as to fix the guide piece (3).
  3. 3. Manual cutting assistance device for the construction of vessels according to claim 2, characterized in that the positioning holes (14) are provided in a plurality, each positioning hole (14) being arranged at a distance from the centre line of rotation of the guide (3) in sequence.
  4. 4. A manual cutting assistance device for ship construction according to claim 3, wherein the upper end of the swing rod (41) is connected with a second rotating shaft (43), the second rotating shaft (43) is slidably installed on the upper portion of the guide member (3), and the swing rod (41) is moved in the axial direction of the second rotating shaft (43) to insert the boss (42) into the positioning hole (14) or to remove the boss (42) from the positioning hole (14).
  5. 5. The manual cutting assistance device for ship construction according to claim 4, wherein one end of the second rotating shaft (43) facing away from the swing rod (41) is provided with a drop-preventing portion (44) protruding outward in the radial direction of the second rotating shaft (43), and the drop-preventing portion (44) abuts against the guide member (3) when the boss (42) is dropped out of the positioning hole (14).
  6. 6. Manual cutting assistance device for the construction of ships according to claim 4, characterized in that the base body (1) is connected with a stop (5); When the convex column (42) is separated from the positioning hole (14), the swing rod (41) can be swung to be attached to the guide piece (3), the guide piece (3) can be rotated to be overlapped with the base body (1), when the guide piece (3) is overlapped with the base body (1), the stop piece (5) and the guide piece (3) are oppositely arranged at intervals, the swing rod (41) is located between the stop piece (5) and the guide piece (3), and the swing rod (41) is abutted to the stop piece (5).
  7. 7. The manual cutting auxiliary device for ship construction according to claim 1, wherein the base body (1) comprises a first supporting member (11), a second supporting member (12) and a connecting member (13), the length direction of the rotation center line of the guide member (3) is a first direction, one end of the connecting member (13) is connected with the first supporting member (11) and the other end is connected with the second supporting member (12) in the first direction, one end of the guide member (3) is rotatably connected with the first supporting member (11) and the other end is rotatably connected with the second supporting member (12), at least one magnetic member (2) is connected with the first supporting member (11), and at least one magnetic member (2) is connected with the second supporting member (12).
  8. 8. The manual cutting assistance device for ship building according to claim 7, characterized in that the connection member (13) comprises a sleeve (131) and a mandrel (132), the sleeve (131) being connected to the first support member (11), a first end of the mandrel (132) being connected to the second support member (12), a second end of the mandrel (132) being slidably inserted in the first direction in the sleeve (131), the sleeve (131) being screw-fittingly connected with a fastener (133), the fastener (133) being for fixing the mandrel (132) to the sleeve (131); The guide member (3) comprises a first guide member (32) and a second guide member (33), the first guide member (32) is connected to one of the first support member (11) and the second support member (12), the first guide member (32) is provided with a first guide surface (321) forming the guide surface (31), the first guide member (32) is further provided with a plurality of guide grooves (322), each guide groove (322) is provided with a notch at the first guide surface (321), the length direction of each guide groove (322) extends along the first direction, and each guide groove (322) is arranged at intervals in parallel; The second guide piece (33) comprises a connecting portion (331) and a plurality of guide posts (332) connected to the connecting portion (331), the connecting portion (331) is connected to the other of the first support piece (11) and the second support piece (12), first ends of the guide posts (332) are connected to the connecting portion (331), second ends of the guide posts (332) are inserted into the guide grooves (322) in a one-to-one correspondence mode, and the guide posts (332) are provided with third guide surfaces (3321) flush with the first guide surfaces (321).
  9. 9. The manual cutting assistance device for ship building according to claim 8, wherein a nut (134) is fixed to the outside of the sleeve (131), the axial direction of the nut (134) is perpendicular to the axial direction of the sleeve (131), the sleeve (131) is provided with a through hole coaxial with the nut (134), the fastener (133) is screw-fitted to the nut (134), and a screw-threaded end of the fastener (133) is configured to be able to pass through the through hole and abut against the mandrel (132).
  10. 10. The manual cutting assistance device for ship construction according to claim 7, characterized in that it comprises at least two telescopic assemblies (6), said first support (11) being connected to said magnetic attraction (2) by one of said telescopic assemblies (6), said second support (12) being connected to said magnetic attraction (2) by the other telescopic assembly (6).

Description

Manual cutting auxiliary device for ship construction Technical Field The application relates to the technical field of ship construction, in particular to a manual cutting auxiliary device for ship construction. Background When the segmented ship body is folded, the folding ends of the segmented ship body need to be trimmed, most trimming positions are welding seams, and the trimming quality requirement is high. In the prior art, when trimming the folding end of the segmented ship body, a manual cutting torch is required to cut the folding end, and when cutting the folding end, the flatness of a cutting seam is poor, so that the welding requirement before final folding is required to be met by polishing the cutting position after the folding end is manually cut. Resulting in a lower efficiency of the trimming operation for the folded ends of the hull sections. Disclosure of Invention The application aims to solve the technical problems, and aims to provide a manual cutting auxiliary device for ship construction, which comprises the following components: A base; The magnetic attraction piece is connected to the base body and is used for detachably connecting the base body to the segmented ship body; A guide member hinged to the base body, the guide member having a guide surface for guiding a cutting torch; The locking piece is arranged on the base body and used for locking the guide piece, so that the inclination angle of the guide surface is the same as the welding groove angle of the folding end of the segmented ship body. Alternatively, the lower part of the guide is hinged to the base; the locking piece comprises a swing rod and a convex column, one end of the swing rod is hinged to the upper part of the guide piece, and the other end of the swing rod is connected with the convex column; The base body is provided with a positioning hole, and the convex column is inserted into the positioning hole to fix the swing rod so as to fix the guide piece. Alternatively, the plurality of positioning holes are provided, and each of the positioning holes is arranged at intervals in sequence from a direction close to the rotation center line of the guide member to a direction away from the rotation center line of the guide member. Alternatively, the upper end of the swing rod is connected with a second rotating shaft, the second rotating shaft is arranged on the upper portion of the guide piece in a sliding penetrating mode, and the swing rod is moved along the axial direction of the second rotating shaft, so that the convex column can be inserted into the positioning hole or can be separated from the positioning hole. As an alternative scheme, the second pivot deviate from the one end of pendulum rod is equipped with the anticreep portion of radial outside protrusion of second pivot, the projection is deviate from when the locating hole, anticreep portion with the guide butt. Alternatively, the base body is connected with a stop member; When the guide piece is overlapped with the base body, the stop piece and the guide piece are arranged at opposite intervals, the swing rod is positioned between the stop piece and the guide piece, and the swing rod is abutted with the stop piece. The base body comprises a first supporting piece, a second supporting piece and a connecting piece, wherein the length direction of the rotation center line of the guide piece is a first direction, one end of the connecting piece is connected with the first supporting piece, the other end of the connecting piece is connected with the second supporting piece in the first direction, one end of the guide piece is rotatably connected with the first supporting piece, the other end of the guide piece is rotatably connected with the second supporting piece, the first supporting piece is at least connected with one magnetic attraction piece, and the second supporting piece is at least connected with one magnetic attraction piece. As an alternative, the connecting piece comprises a sleeve and a mandrel, the sleeve is connected with the first supporting piece, the first end of the mandrel is connected with the second supporting piece, the second end of the mandrel is slidably inserted into the sleeve in the first direction, and a fastener is connected with the sleeve in a threaded matching way and used for fixing the mandrel to the sleeve; The guide piece comprises a first guide piece and a second guide piece, the first guide piece is connected to one of the first support piece and the second support piece, the first guide piece is provided with a first guide surface forming the guide surface, the first guide piece is further provided with a plurality of guide grooves, each guide groove is provided with a notch at the first guide surface, the length direction of each guide groove extends along the first direction, and the guide grooves are arranged at intervals in parallel; The second guide piece comprises a connecting part and a plurality of guide