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CN-224223137-U - Hydro-cylinder welding auxiliary device

CN224223137UCN 224223137 UCN224223137 UCN 224223137UCN-224223137-U

Abstract

The utility model relates to the technical field of welding, in particular to an auxiliary device for welding an oil cylinder. The oil cylinder welding auxiliary device comprises a supporting component, an oil cylinder positioning piece and a big arm positioning component, wherein the supporting component comprises a bottom plate, a first supporting piece and a second supporting piece, the first supporting piece and the second supporting piece are arranged on the bottom plate, the first supporting piece is used for supporting an oil cylinder, the second supporting piece is used for supporting a big arm welded with the oil cylinder, the oil cylinder positioning piece penetrates through a positioning hole on the oil cylinder to be connected with the bottom plate in an inserting mode, the big arm positioning component is arranged on the bottom plate, and the big arm positioning component is in butt joint with the big arm to position the relative position of the big arm relative to the axial direction of the oil cylinder. The oil cylinder welding auxiliary device realizes positioning and supporting of the oil cylinder, also realizes supporting of the large arm, limits the relative position of the large arm relative to the axial direction of the oil cylinder, is convenient for realizing welding connection operation between the oil cylinder and the large arm, and also improves the accuracy of welding connection between the oil cylinder and the large arm along the axial direction of the oil cylinder.

Inventors

  • WANG HAIWEN

Assignees

  • 赛力达液压机械(昆山)有限公司

Dates

Publication Date
20260512
Application Date
20250513

Claims (10)

  1. 1. An oil cylinder welding auxiliary device, characterized by comprising: The support assembly (1), the support assembly (1) comprises a bottom plate (11), a first support piece (12) and a second support piece (13), the first support piece (12) and the second support piece (13) are both arranged on the bottom plate (11), the first support piece (12) is used for supporting an oil cylinder (20), and the second support piece (13) is used for supporting a big arm (30) welded with the oil cylinder (20); The oil cylinder positioning piece (2) passes through a positioning hole (201) on the oil cylinder (20) to be connected with the bottom plate (11) in an inserting way; The large arm positioning assembly (3), the large arm positioning assembly (3) is arranged on the bottom plate (11), and the large arm positioning assembly (3) is abutted to the large arm (30) so as to position the relative position of the large arm (30) relative to the axial direction of the oil cylinder (20).
  2. 2. The oil cylinder welding auxiliary device according to claim 1, wherein a positioning jack (111) is formed in the bottom plate (11), the oil cylinder positioning piece (2) comprises a positioning bolt, and the positioning bolt passes through a positioning hole (201) in the oil cylinder (20) to be connected with the positioning jack (111) in a plugging manner.
  3. 3. The oil cylinder welding auxiliary device according to claim 1, wherein the first supporting member (12) comprises at least two first supporting blocks (121) which are arranged at intervals along the axial direction of the oil cylinder (20), at least two first supporting blocks (121) are both arranged on the bottom plate (11), a bearing groove (1211) is formed in the first supporting block (121), and the bearing groove (1211) is used for bearing the oil cylinder (20).
  4. 4. A cylinder welding aid as claimed in claim 3, characterized in that the bearing recess (1211) is V-shaped.
  5. 5. The oil cylinder welding auxiliary device according to any one of claims 1 to 4, wherein the large arm positioning assembly (3) comprises a first positioning member (31) and a second positioning member (32), the first positioning member (31) and the second positioning member (32) are opposite to each other along the axial direction of the oil cylinder (20) and are arranged at intervals, the first positioning member (31) and the second positioning member (32) are both arranged on the bottom plate (11), the large arm (30) is located between the first positioning member (31) and the second positioning member (32), the large arm (30) is provided with a first side wall (301) and a second side wall (302) which are opposite to each other along the axial direction of the oil cylinder (20), the first positioning member (31) is elastically abutted to the first side wall (301), and the second positioning member (32) is abutted to the second side wall (302).
  6. 6. The oil cylinder welding auxiliary device according to claim 5, wherein the first positioning member (31) comprises a positioning plate and an elastic member, the positioning plate is disposed on the bottom plate (11), a first end of the elastic member is connected with the positioning plate, and a second end of the elastic member is elastically abutted against the first side wall (301).
  7. 7. The oil cylinder welding auxiliary device according to any one of claims 1 to 4, wherein two ends of the large arm (30) extending along the radial direction of the oil cylinder (20) are respectively a supporting end (303) and a welding end (304), and the second supporting piece (13) is used for bearing the supporting end (303); The oil cylinder welding auxiliary device further comprises a height adjusting assembly (4), the height adjusting assembly (4) comprises a jacking rod (41) and a limiting piece (42), the axial extension length of the jacking rod (41) is adjustable, the bottom end of the jacking rod (41) is fixedly connected with the bottom plate (11), the top end of the jacking rod (41) is abutted to the bottom of the welding end (304), the limiting piece (42) is arranged on the bottom plate (11), and the limiting piece (42) is abutted to the upper end face of the welding end (304).
  8. 8. The oil cylinder welding auxiliary device according to claim 7, wherein the limiting piece (42) comprises a mounting plate (421) and a limiting plate (422) which are connected, the mounting plate (421) is arranged on the bottom plate (11), and the limiting plate (422) is abutted with the upper end face of the welding end (304).
  9. 9. The oil cylinder welding auxiliary device according to any one of claims 1 to 4, characterized in that the large arm (30) is welded and connected to both ends of the oil cylinder (20) in the axial direction; the oil cylinder welding auxiliary device further comprises a reinforcing rod assembly (5), the reinforcing rod assembly (5) comprises two welding reinforcing rods (51), the two welding reinforcing rods (51) extend along the axial direction of the oil cylinder (20), the first end of one welding reinforcing rod (51) is welded with the upper end face of one big arm (30), the second end of the welding reinforcing rod (51) is welded with the upper end face of the other big arm (30), the first end of the welding reinforcing rod (51) is welded with the lower end face of one big arm (30), and the second end of the welding reinforcing rod (51) is welded with the lower end face of the other big arm (30).
  10. 10. The oil cylinder welding auxiliary device according to claim 9, further comprising a positioning rod assembly (6), wherein the positioning rod assembly (6) comprises at least two positioning rods (61) which are arranged at intervals along the axial direction of the oil cylinder (20), the positioning rods (61) are arranged on the bottom plate (11), and the outer peripheral walls of the at least two positioning rods (61) are in abutting connection with the outer peripheral wall of the welding reinforcing rod (51).

Description

Hydro-cylinder welding auxiliary device Technical Field The utility model relates to the technical field of welding, in particular to an auxiliary device for welding an oil cylinder. Background In the related art, the hydraulic cylinder and the large arm are required to be welded and connected, so that the normal operation of the hydraulic cylinder is ensured. But in the welding connection process of the hydraulic cylinder and the big arm, the relative positions of the hydraulic cylinder and the big arm cannot be effectively fixed, so that in the welding process, the hydraulic cylinder and the big arm are easy to deviate, the difficulty of the welding connection is greatly increased, and the accuracy of the welding connection between the hydraulic cylinder and the big arm along the axial direction of the hydraulic cylinder cannot be ensured. Therefore, there is a need for an auxiliary device for welding an oil cylinder to solve the above problems. Disclosure of utility model The utility model aims to provide an auxiliary welding device for an oil cylinder, which is convenient for realizing the welding connection operation between the oil cylinder and a large arm and improving the accuracy of the welding connection between the oil cylinder and the large arm along the axial direction of the oil cylinder. To achieve the purpose, the utility model adopts the following technical scheme: An oil cylinder welding auxiliary device, comprising: The support assembly comprises a bottom plate, a first support piece and a second support piece, wherein the first support piece and the second support piece are both arranged on the bottom plate, the first support piece is used for bearing an oil cylinder, and the second support piece is used for bearing a big arm welded and connected with the oil cylinder; The oil cylinder positioning piece penetrates through the positioning hole on the oil cylinder and is connected with the bottom plate in an inserting mode; The big arm positioning assembly is arranged on the bottom plate and is in butt joint with the big arm so as to position the relative position of the big arm relative to the axial direction of the oil cylinder. As an alternative scheme, a positioning jack is formed in the bottom plate, the oil cylinder positioning piece comprises a positioning bolt, and the positioning bolt penetrates through the positioning hole in the oil cylinder to be connected with the positioning jack in a plug-in mode. As an alternative scheme, the first support piece includes at least two first supporting pieces that follow the axial direction interval of hydro-cylinder and arrange, at least two first supporting pieces all set up in the bottom plate, be provided with the bearing recess on the first supporting piece, the bearing recess is used for the bearing the hydro-cylinder. Alternatively, the bearing groove is V-shaped. As an alternative scheme, big arm locating component includes first setting element and second setting element, first setting element with the second setting element is followed the axial direction of hydro-cylinder is relative and the interval is arranged, first setting element with the second setting element all set up in the bottom plate, big arm is located first setting element with between the second setting element, big arm is followed the axial direction of hydro-cylinder has relative first lateral wall and second lateral wall, first setting element with first lateral wall elasticity butt, second setting element with second lateral wall butt. Alternatively, the first positioning member includes a positioning plate and an elastic member, where the positioning plate is disposed on the bottom plate, a first end of the elastic member is connected to the positioning plate, and a second end of the elastic member is elastically abutted to the first side wall. As an alternative scheme, two ends of the large arm extending along the radial direction of the oil cylinder are respectively a supporting end and a welding end, and the second supporting piece is used for bearing the supporting end; The oil cylinder welding auxiliary device further comprises a height adjusting assembly, the height adjusting assembly comprises a jacking rod and a limiting piece, the axial extension length of the jacking rod is adjustable, the bottom end of the jacking rod is fixedly connected with the bottom plate, the top end of the jacking rod is abutted to the bottom of the welding end, the limiting piece is arranged on the bottom plate, and the limiting piece is abutted to the upper end face of the welding end. As an alternative, the limiting piece comprises a mounting plate and a limiting plate which are connected, the mounting plate is arranged on the bottom plate, and the limiting plate is abutted with the upper end face of the welding end. As an alternative scheme, the large arms are welded and connected to two ends of the oil cylinder in the axial direction; The oil cylinder welding auxiliary de