Auxiliary device for welding test

Abstract

The utility model relates to an auxiliary device for a welding test. The auxiliary device comprises a base, a longitudinal sleeve, a vertical rod, a horizontal sleeve, a fan-shaped disc, a horizontal rotating rod, a flat plate test piece clamp and a round pipe test piece clamp, the longitudinal sleeve is coaxially and fixedly connected to the middle of the upper end face of the base. The vertical rod moving pair is connected into the longitudinal sleeve; the upper end of the vertical rod is fixedly connected with the middle of the lower side of the horizontal sleeve; the horizontal rotating rod revolute pairs are connected to the left side and the right side in the horizontal sleeve; the fan-shaped discs are fixedly connected to the outer end parts of the horizontal rotating rods on the two sides; the interior of the fan-shaped disc is of a hollow structure, and fixing holes are evenly distributed in the outer circumferential surfaces of the end faces of the two sides in the circumferential direction. The flat plate test piece clamp is mounted on the fan-shaped disc on one side through a fixing bolt I; the circular tube test piece clamp is mounted on the fan-shaped disc on the other side through a fixing bolt I; the device is simple in structure and high in reliability, the test piece to be welded can be adjusted to a fixed angle by rotating the horizontal rotating rod, all-position welding is achieved, the application range is wide, the angle is accurate, and standardization and fairness of an examination can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of welding auxiliary tooling, in particular to an auxiliary device used for welding examinations. Background Art

[0002] With the continuous development of petrochemical and various welding-related manufacturing industries, the demand for welding operators is increasing. Therefore, to ensure the safety of operators, pre-job training and examination of welders are particularly critical.

[0003] During welding tests, all-position welding is often required, which requires the welding specimen to be flexible and adjustable to change the position and angle of the weld.

[0004] Most of the existing welding examination auxiliary tooling cannot achieve all-position welding, and welders cannot adjust the test piece to their own accustomed angle for welding, and cannot achieve accurate angles, which makes it impossible to ensure the standardization and fairness of the examination. Summary of the Invention

[0005] In response to the above problems, the purpose of the present utility model is to provide an auxiliary device for welding examinations, which can realize all-position welding, expand the scope of application, and the precise angle can ensure the standardization and fairness of the examination.

[0006] The technical solutions adopted in this utility model are as follows:

[0007] The utility model proposes an auxiliary device for welding examination, comprising a base, a longitudinal sleeve, a vertical pole, a horizontal sleeve, a fan-shaped disk, a horizontal rotating rod, a flat specimen clamp and a round tube specimen clamp; the longitudinal sleeve is coaxially fixed to the middle part of the upper end face of the base; the vertical pole moving pair is connected to the inside of the longitudinal sleeve; the upper end of the vertical pole is fixed to the middle part of the lower side of the horizontal sleeve; the horizontal rotating rod is respectively connected to the left and right sides of the inside of the horizontal sleeve by a rotating pair; the fan-shaped disk is respectively fixed to the outer end parts of the horizontal rotating rods on both sides; the interior of the fan-shaped disk is a hollow structure, and the outer circumferential surfaces of the end faces on both sides are evenly distributed with fixing holes; the flat specimen clamp is installed on the fan-shaped disk on one side by a fixing bolt I; the round tube specimen clamp is installed on the fan-shaped disk on the other side by a fixing bolt I.

[0008] Furthermore, the fan-shaped disk is a semicircular structure, and the middle part of its diameter side is vertically fixed to the outer end of the horizontal rotating rod; there are five fixing holes evenly distributed on the circumference of its outer circumference, and the angles between each fixing hole and its center are 0°, 45 degrees, 90°, 135° and 180° respectively.

[0009] Furthermore, the flat specimen fixture includes a groove profile, a rotating bracket I and a clamping bolt I; the outer end of the rotating bracket I is fixedly connected to the middle of the closed end of the groove profile, and the inner surface of the rotating bracket I is provided with a screw hole corresponding to the fixing hole, and the rotating bracket I and the fan-shaped disk are fixed by a fixing bolt I; the clamping bolt I is correspondingly arranged on one side end face of the open end of the groove profile.

[0010] Furthermore, the round tube specimen fixture includes a rotating bracket II, a three-jaw chuck and a clamping bolt II; the outer end of the rotating bracket II is coaxially fixed to the bottom surface of the three-jaw chuck, and the inner surface of the rotating bracket II is provided with a screw hole corresponding to the fixing hole, and the rotating bracket II and the fan-shaped disk are fixed by a fixing bolt I; three clamping bolts II are correspondingly provided and are evenly distributed around the circumference and installed on the upper end surface of the three-jaw chuck.

[0011] Furthermore, a fixing bolt II is vertically provided on the side wall of the longitudinal sleeve; the inner end of the fixing bolt II abuts against the side wall of the vertical pole.

[0012] Furthermore, fixing bolts III are vertically provided on the left and right side walls of the upper portion of the horizontal sleeve; the inner ends of the fixing bolts III abut against the side walls of the horizontal rotating rod.

[0013] Furthermore, the entire device is made of metal.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] The utility model has the advantages of simple structure, high reliability and good economy. The angle and direction of the test piece can be changed by rotating the horizontal rotating rod and the rotating bracket, thereby achieving the purpose of all-position welding. The holes at specific angles on the sector disk enable the angle between the test piece to be welded and the horizontal rotating rod to be accurately controlled at 0°, 45° and 90°, providing a fair and just examination environment. The vertical pole can be adjusted up and down to change the height of the test piece, so that welders of different heights can take the test at the most suitable height. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 Schematic diagram of the flat welding effect of plate butt test piece;

[0018] Figure 3 This is a schematic diagram of the effect of horizontal welding of plate butt test pieces;

[0019] Figure 4 This is a schematic diagram of the effect of vertical welding of plate butt joint specimens;

[0020] Figure 5 This is a schematic diagram of the effect of overhead welding of plate butt joint specimens;

[0021] Figure 6 Schematic diagram of the welding effects of horizontal rotation, horizontal fixation upward, and horizontal fixation downward of the pipe butt joint specimen;

[0022] Figure 7 This is a schematic diagram of the effect of vertical fixed welding of pipe butt joint specimens;

[0023] Figure 8 This is a schematic diagram of the effect of 45° fixed vertical welding of pipe butt joint specimens.

[0024] Among them, the figure markings are: 1-base, 2-longitudinal sleeve, 3-fixing bolt II, 4-vertical pole, 5-horizontal sleeve, 6-groove-shaped part, 7-clamping bolt I, 8-rotating bracket I, 9-fixing bolt I, 10-fan-shaped disk, 11-horizontal rotating rod, 12-fixing bolt III, 13-clamping bolt II, 14-three-jaw chuck, 15-flat specimen, 16-flat specimen weld, 17-circular tube specimen, 18-rotating bracket II, 19-circular tube specimen weld. DETAILED DESCRIPTION

[0025] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0026] It should be noted that, in the description of the present invention, the terms "upper", "lower", "top", "bottom", "one side", "the other side", "left", "right", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not mean that the device or element must have a specific orientation, be constructed and operated in a specific orientation.

[0027] See attached Figure 1 The utility model proposes an auxiliary device for welding examination, which includes a disc-structured base 1, a longitudinal sleeve 2, a vertical rod 4, a horizontal sleeve 5, a fan-shaped disk 10, a horizontal rotating rod 11, a flat specimen clamp and a round tube specimen clamp.

[0028] Among them, the longitudinal sleeve 2 is coaxially welded to the middle part of the upper end surface of the base 1; the movable pair of the vertical pole 4 is connected to the inside of the longitudinal sleeve 2, and relative sliding can be generated between the longitudinal sleeves 2, thereby adjusting the height of the vertical pole 4. In this embodiment, three longitudinally evenly distributed fixing bolts II3 are vertically arranged on the side wall of the longitudinal sleeve 2, and the inner ends of the fixing bolts II3 are respectively abutted against the side walls of the vertical pole 4, which fixes the vertical pole 4 and further ensures the stability of the vertical pole 4 after the height is adjusted.

[0029] The upper end of the vertical pole 4 is fixedly connected to the middle part of the lower side wall of the horizontal sleeve 5; the horizontal rotating rod 11 is respectively connected to the left and right sides of the inside of the horizontal sleeve 5 by a rotating pair, and can be freely rotated relative to the horizontal sleeve 5 to adjust the angle. In this embodiment, two fixing bolts III12 are respectively vertically provided on the side walls on the left and right sides of the upper part of the horizontal sleeve 5, and the inner ends of the fixing bolts III12 are respectively abutted against the side walls of the horizontal rotating rods 11 on both sides, thereby fixing the horizontal rotating rod 11 and further ensuring the stability of the horizontal rotating rod 11 after the angle is adjusted.

[0030] The fan-shaped disk 10 is respectively fixedly connected to the outer end portions of the horizontal rotating rods 11 on both sides. In this embodiment, the fan-shaped disk 10 is a semicircular structure with a hollow interior, and the middle portion of its diameter side is vertically fixedly connected to the outer end portion of the horizontal rotating rod 11, and five fixing holes are evenly distributed on the circumference of the outer circumferential surface of the end faces of both sides of the fan-shaped disk 10, and the angles between each fixing hole and its center are 0°, 45 degrees, 90°, 135° and 180° respectively; the flat plate specimen fixture is installed on the fan-shaped disk 10 on one side by the fixing bolt I9; the round tube specimen fixture is installed on the fan-shaped disk 10 on the other side by the fixing bolt I9.

[0031] In this embodiment, the flat specimen fixture includes a groove profile 6, a rotating bracket I8 and a clamping bolt I7; the outer end of the rotating bracket I8 is fixedly connected to the middle of the closed end of the groove profile 6, and the inner surface of the rotating bracket I8 is provided with a screw hole corresponding to the fixing hole. The screw hole on the rotating bracket I8 corresponds to the fixing hole of the corresponding angle on the fan-shaped disk 10 and is fixed by a fixing bolt I9; two clamping bolts I7 are provided, which are screwed inward from the outer side of the end surface of one side of the open end of the groove profile.

[0032] The round tube specimen fixture includes a rotating bracket II18, a three-jaw chuck 14 and a clamping bolt II13; the outer end of the rotating bracket II18 is coaxially fixed to the bottom surface of the three-jaw chuck 14, and the inner surface of the rotating bracket II18 is provided with a screw hole corresponding to the fixing hole. The screw hole on the rotating bracket II18 corresponds to the fixing hole of the corresponding angle on the fan-shaped disk 10 and is fixed by the fixing bolt I9; three clamping bolts II13 are correspondingly provided, which are evenly distributed around the circumference and installed on the upper end surface of the three-jaw chuck 14, and can be screwed radially outward or inward respectively.

[0033] The device is made entirely of metal.

[0034] The working principle of this utility model is:

[0035] Flat welding of plate butt test piece: Figure 2 As shown, first rotate the rotating bracket I8 on the flat plate welding fixture side to the 0° position and position it with the fixing bolt I9; then place the flat plate welding specimen 15 in the groove profile 6, tighten the flat plate clamping bolt I7 to fix the flat plate specimen 15; finally, rotate the horizontal rotating rod 11 to make the flat plate specimen 15 horizontal and the flat plate specimen weld bead 16 horizontally upward and tighten the fixing bolt III12 to fix the horizontal rotating rod 11, and tighten the fixing bolt II3 to fix the vertical pole 4.

[0036] Horizontal welding of plate butt test piece: Figure 3 As shown, first rotate the rotating bracket I8 on the flat plate welding fixture side to the -90° (180°) position and position it with the fixing bolt I9; then place the flat plate welding specimen 15 in the groove profile 6, tighten the flat plate clamping bolt I7 to fix the flat plate specimen 15; finally, rotate the horizontal rotating rod 11 so that the flat plate specimen 15 is in a vertical state and the flat plate specimen weld 16 is horizontally outward and tighten the fixing bolt III12 to fix the horizontal rotating rod 11, and tighten the fixing bolt II3 to fix the vertical pole 4.

[0037] Plate butt test piece vertical welding: Figure 4 As shown, first rotate the rotating bracket I8 on the flat plate welding fixture side to the 0° position and position it with the fixing bolt I9; then place the flat plate welding specimen 15 in the groove profile 6, tighten the flat plate clamping bolt I7 to fix the flat plate specimen 15; finally, rotate the horizontal rotating rod 11 so that the flat plate specimen 15 is in a vertical state and the flat plate specimen weld 16 is vertically outward and tighten the fixing bolt III12 to fix the horizontal rotating rod 11, and tighten the fixing bolt II3 to fix the vertical pole 4.

[0038] Overhead welding of plate butt test piece: Figure 5 As shown, first rotate the rotating bracket I8 on the flat plate welding fixture side to the 0° position and position it with the fixing bolt I9; then place the flat plate welding specimen 15 in the groove part 6, tighten the flat plate clamping bolt I7 to fix the flat plate specimen 15; finally, rotate the horizontal rotating rod 11 to make the flat plate specimen 15 horizontal and the flat plate specimen weld bead 16 horizontally downward and tighten the fixing bolt III12 to fix the horizontal rotating rod 11, and tighten the fixing bolt II3 to fix the vertical pole 4.

[0039] Horizontal rotation welding, horizontal fixed upward welding, horizontal fixed downward welding of pipe butt test pieces: Figure 6As shown, first rotate the rotating bracket II18 on the side of the round tube welding fixture to the 0° position and position it with the fixing bolt I9; screw the three clamping bolts II13 outward, then coaxially place one side of the round tube welding specimen 17 in the three-jaw chuck 14, and then tighten the three round tube clamping bolts II13 inward to fix the round tube specimen 17 so that the round tube specimen 17 is in a horizontal state; finally, tighten the fixing bolts III12 to fix the horizontal rotating rod 11, and tighten the fixing bolts II3 to fix the vertical pole 4.

[0040] Vertical fixed welding of pipe butt test piece: Figure 7 As shown, first rotate the rotating bracket II18 on the side of the round tube welding fixture to the -90° (180°) position and position it with the fixing bolt I9; screw the three clamping bolts II13 outward, then coaxially place one side of the round tube welding specimen 17 in the three-jaw chuck 14, and then tighten the three round tube clamping bolts II13 inward to fix the round tube specimen 17 so that the round tube specimen 17 is in a vertical state; finally, tighten the fixing bolts III12 to fix the horizontal rotating rod 11, and tighten the fixing bolts II3 to fix the vertical rod 4.

[0041] 45° fixed vertical upward and 45° fixed vertical downward welding of pipe butt test pieces: Figure 8 As shown, first rotate the rotating bracket II18 on the side of the round tube welding fixture to a 45° or -45° (135 degrees) position and position it with the fixing bolt I9; screw the three clamping bolts II13 outward, then coaxially place one side of the round tube welding specimen 17 in the three-jaw chuck 14, and then tighten the three round tube clamping bolts II13 inward to fix the round tube specimen 17, so that the round tube specimen 17 is at a 45° angle to the horizontal rotating rod 11; finally, tighten the fixing bolts III12 to fix the horizontal rotating rod 11, and tighten the fixing bolts II3 to fix the vertical pole 4.

[0042] Matters not described in detail in this utility model are known technologies.

[0043] The embodiments described above are merely descriptions of preferred implementation methods of the present invention and do not limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the scope of protection determined by the claims of the present invention.

Claims

1. An auxiliary device for welding examination, characterized by: The device includes a base, a longitudinal sleeve, a vertical pole, a horizontal sleeve, a fan-shaped disk, a horizontal rotating rod, a flat specimen fixture and a circular tube specimen fixture; the longitudinal sleeve is coaxially fixed to the middle part of the upper end face of the base; the vertical pole moving pair is connected to the inside of the longitudinal sleeve; the upper end of the vertical pole is fixed to the middle part of the lower side of the horizontal sleeve; the horizontal rotating rod is respectively connected to the left and right sides of the inside of the horizontal sleeve with a rotating pair; the fan-shaped disk is respectively fixed to the outer end parts of the horizontal rotating rods on both sides; the interior of the fan-shaped disk is a hollow structure, and the outer circumferential surfaces of the end faces on both sides are evenly distributed with fixing holes; the flat specimen fixture is installed on the fan-shaped disk on one side by a fixing bolt I; the circular tube specimen fixture is installed on the fan-shaped disk on the other side by a fixing bolt I.

2. The auxiliary device for welding examination according to claim 1, characterized in that: The fan-shaped disk is a semicircular structure, and the middle of its diameter side is vertically fixed to the outer end of the horizontal rotating rod; there are five fixing holes evenly distributed on the circumference of its outer circumference, and the angles between each fixing hole and its center are 0°, 45 degrees, 90°, 135° and 180° respectively.

3. The auxiliary device for welding examination according to claim 1, characterized in that: The flat specimen fixture includes a groove profile, a rotating bracket I and a clamping bolt I; the outer end of the rotating bracket I is fixedly connected to the middle of the closed end of the groove profile, and the inner surface of the rotating bracket I is provided with a screw hole corresponding to the fixing hole, and the rotating bracket I is fixed to the fan-shaped disk by a fixing bolt I; the clamping bolt I is correspondingly arranged on one side end face of the open end of the groove profile.

4. The auxiliary device for welding examination according to claim 1, characterized in that: The round tube specimen fixture includes a rotating bracket II, a three-jaw chuck and a clamping bolt II; the outer end of the rotating bracket II is coaxially fixed to the bottom surface of the three-jaw chuck, and the inner surface of the rotating bracket II is provided with a screw hole corresponding to the fixing hole, and the rotating bracket II and the fan-shaped disk are fixed by a fixing bolt I; three clamping bolts II are correspondingly provided and are evenly distributed around the circumference and installed on the upper end surface of the three-jaw chuck.

5. The auxiliary device for welding examination according to claim 1, characterized in that: A fixing bolt II is vertically arranged on the side wall of the longitudinal sleeve; the inner end of the fixing bolt II abuts against the side wall of the vertical pole.

6. The auxiliary device for welding examination according to claim 1, characterized in that: Fixing bolts III are vertically arranged on the left and right side walls of the upper portion of the horizontal sleeve; the inner ends of the fixing bolts III abut against the side walls of the horizontal rotating rod.

7. The auxiliary device for welding examination according to claim 1, characterized in that: The entire device is made of metal.

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