CN215415159U

CN215415159U - Marine corrosion-resistant aluminum alloy material welding hot crack tendency test device

Info

Publication number: CN215415159U
Application number: CN202121117317.5U
Authority: CN
Inventors: 贾宁波; 王强; 朱海涛; 张鸿雁
Original assignee: Hubei Meike Jingyi Technology Co ltd
Current assignee: Hubei Meike Jingyi Technology Co ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2022-01-04
Anticipated expiration: 2031-05-24

Abstract

The utility model discloses a testing device for welding heat crack tendency of a marine corrosion-resistant aluminum alloy material, which belongs to the technical field of welding and comprises a shell, wherein the lower surface of the inner wall of the shell is fixedly connected with the bottom end of an electric push rod, the top end of the electric push rod is fixedly connected with the lower surface of a pressing block, and the pressing block is arranged in a first through hole. This marine corrosion-resistant aluminum alloy material welding hot crack tendency test device, through setting up the threaded rod, the nut, a bearing, slide bar and fixed block, rotate the threaded rod, make three fixed block be close to each other and then with the upper surface overlap joint of aluminum alloy sample, make three fixed block mutually support can fix the horizontal direction and the vertical direction of aluminum alloy sample simultaneously, test the device for current experiment, the device only needs to rotate the threaded rod and not only can promote the center department of fixed plate with the aluminum alloy sample, still can be quick fix the aluminum alloy sample, this aluminum alloy sample's test efficiency has been improved.

Description

Marine corrosion-resistant aluminum alloy material welding hot crack tendency test device

Technical Field

The utility model belongs to the technical field of welding, and particularly relates to a testing device for welding heat crack tendency of a marine corrosion-resistant aluminum alloy material.

Background

Welding hot cracks are a common problem in the welding process, aluminum alloy materials are more and more widely applied in production, the welding structure has very prominent heat cracking problem in the welding manufacturing process, which directly influences the service performance of the structure, when the existing aluminum alloy sample is tested, the welding heating is needed, the aluminum alloy sample generates harmful gas in the welding process, the harm to the testing personnel is easy to be caused, and after the test of the aluminum alloy sample is finished, the aluminum alloy sample needs to take longer time for natural cooling, more time is wasted, the test efficiency of the aluminum alloy sample is reduced, in addition, when the aluminum alloy sample is tested, workers need to fix the aluminum alloy sample in the horizontal direction and the vertical direction by using the fastening bolts, the operation is complicated, therefore, a marine corrosion-resistant aluminum alloy material welding hot cracking tendency testing device is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects in the prior art, the utility model provides a testing device for welding hot cracking tendency of a marine corrosion-resistant aluminum alloy material, which solves the problems that when an aluminum alloy sample is tested, workers need to fix the aluminum alloy sample by using fastening bolts in the horizontal direction and the vertical direction, the operation is complicated, and the testing efficiency of the aluminum alloy sample is reduced.

(II) technical scheme

In order to test the above purpose, the utility model provides the following technical scheme: the utility model provides a marine corrosion-resistant aluminum alloy material welding hot crack tendency test device, includes the casing, shells inner wall's lower surface and electric putter's bottom fixed connection, electric putter's top and the lower fixed surface connection of briquetting, the briquetting sets up in first through-hole, the upper surface at the fixed plate is seted up to first through-hole, the fixed plate sets up in the casing, three recess has been seted up to the upper surface of fixed plate.

The joint has slide mechanism in the recess, and three slide mechanism's upper surface all is connected with the lower fixed surface of fixed block, and the opposite face overlap joint of three fixed block has the aluminum alloy sample, the lower surface of aluminum alloy sample and the upper surface overlap joint of fixed plate, slide mechanism sets up in first cavity, and three first cavity is linked together with the second cavity, first cavity and second cavity are all seted up in the fixed plate, be provided with pushing mechanism in the second cavity, the pushing mechanism joint is in the front of fixed plate.

As a further scheme of the utility model: the equal fixedly connected with slider of the left and right sides face of briquetting, slider sliding connection is in the spout, and the opposite face at first through-hole inner wall is seted up respectively to two spouts.

As a further scheme of the utility model: the upper surface of the inner wall of the shell is provided with a welding gun, the back of the shell is connected with a plurality of fans in a clamping mode, and a plurality of second through holes are formed in the left side face and the right side face of the inner wall of the shell.

As a further scheme of the utility model: the front of the shell is hinged to the back of the door plate through two hinges, and the right side face of the door plate is connected with an observation window in a clamping mode.

As a further scheme of the utility model: slide mechanism includes the sliding sleeve, the sliding sleeve joint is at the left surface of recess inner wall, sliding connection has the slide bar in the sliding sleeve, the upper surface of slide bar and the lower fixed surface of fixed block are connected, the left end of slide bar and the right flank fixed connection of first piston, first piston sliding connection is in first cavity, the spring has been cup jointed to the surface of slide bar, the both ends of spring respectively with the opposite face fixed connection of sliding sleeve and fixed block.

As a further scheme of the utility model: pushing mechanism includes the nut, the nut joint is at the back of second cavity inner wall, nut female connection has the threaded rod, the one end joint at the threaded rod back is in the bearing, the bearing joint is in the front of second piston inner wall, second piston sliding connection is in the second cavity.

As a further scheme of the utility model: the lower surface of the fixed block is arranged to be inclined, and the upper surface of the aluminum alloy sample is arranged to be inclined.

(III) advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

1. the testing device for welding hot crack tendency of the marine corrosion-resistant aluminum alloy material is characterized in that the threaded rod, the nut, the bearing, the first piston, the second piston, the sliding rod and the fixed blocks are arranged, when an aluminum alloy sample needs to be fixed, the aluminum alloy sample is placed between the three fixed blocks, the threaded rod is rotated, the second piston moves in the second cavity, the first piston arranged in the first cavity drives the three fixed blocks to be close to each other through the sliding rod, the lower surfaces of the three fixed blocks are in lap joint with the upper surface of the aluminum alloy sample, the lower surfaces of the fixed blocks and the upper surface of the aluminum alloy sample are both arranged in an inclined shape, the three fixed blocks are mutually matched and can simultaneously fix the horizontal direction and the vertical direction of the aluminum alloy sample, and compared with the existing testing device, the device can push the aluminum alloy sample to the center of the fixed plates only by rotating the threaded rod, the aluminum alloy sample can be quickly fixed, the operation is simple, and the test efficiency of the aluminum alloy sample is improved.

2. This marine corrosion-resistant aluminum alloy material welding hot crack tendency test device, through setting up fan and second through-hole, when control welder carries out the electric welding to the upper surface of aluminum alloy sample, control fan reversal, make the fan of reversal can extract the gas that welder during operation produced, make harmful substance be difficult for causing the injury to staff's healthy, when needs remove experimental aluminum alloy sample, control fan corotation, make the fan produce the velocity of flow that the air can accelerate around the aluminum alloy sample at the during operation, make the temperature of aluminum alloy sample can reduce fast, make the aluminum alloy sample after the staff can be quick detect experimental aluminum alloy sample.

3. This marine corrosion-resistant aluminum alloy material welding hot crack tendency test device through setting up slider and spout, because of slider sliding connection in the spout for slider and spout are mutually supported and can be carried on spacingly to the briquetting, make the briquetting can not take place to rock when the motion, make the briquetting can be accurate exert ascending power to the center of aluminum alloy sample.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the front view of the present invention;

FIG. 3 is a schematic top view of the sliding mechanism of the present invention;

FIG. 4 is a schematic top view of the fixing block of the present invention;

FIG. 5 is a schematic top view of a fixing plate according to the present invention;

FIG. 6 is a schematic perspective view of a pushing mechanism according to the present invention;

in the figure: the device comprises a shell 1, an electric push rod 2, a press block 3, a first through hole 4, a fixing plate 5, a fixing block 6, a sliding mechanism 7, a sliding sleeve 71, a sliding rod 72, a spring 73, a first piston 74, a groove 8, a sliding block 9, a sliding chute 10, an aluminum alloy sample 11, a first cavity 12, a second cavity 13, a pushing mechanism 14, a nut 141, a threaded rod 142, a bearing 143, a second piston 144, a welding gun 15, a second through hole 16, a fan 17, a door panel 18 and an observation window 19.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to specific test embodiments.

As shown in fig. 1 to 6, the present invention provides a technical solution: the utility model provides a marine corrosion-resistant aluminum alloy material welding hot crack tendency test device, which comprises a housin 1, the lower surface of casing 1 inner wall and electric putter 2's bottom fixed connection, electric putter 2's top and the lower fixed surface of briquetting 3 are connected, through setting up electric putter 2, make electric putter 2 can drive briquetting 3 downstream, and then extrude aluminum alloy sample 11, briquetting 3 sets up in first through-hole 4, the upper surface at fixed plate 5 is seted up to first through-hole 4, fixed plate 5 sets up in casing 1, three recess 8 has been seted up to the upper surface of fixed plate 5.

The joint has slide mechanism 7 in the recess 8, the upper surface of three slide mechanism 7 all is connected with the lower fixed surface of fixed block 6, the opposite face overlap joint of three fixed block 6 has aluminum alloy sample 11, aluminum alloy sample 11's lower surface and fixed plate 5's upper surface overlap joint, slide mechanism 7 sets up in first cavity 12, three first cavity 12 is linked together with second cavity 13, first cavity 12 and second cavity 13 are all seted up in fixed plate 5, be provided with pushing mechanism 14 in the

second cavity

13, 14 joints of pushing mechanism are in the front of fixed plate 5.

Specifically, as shown in fig. 2, the left and right sides of the pressing block 3 are fixedly connected with sliders 9, the sliders 9 are slidably connected in the sliding grooves 10, the two sliding grooves 10 are respectively arranged on the opposite surfaces of the inner wall of the first through hole 4, the upper surface of the inner wall of the casing 1 is provided with a welding gun 15, the welding gun 15 can heat the upper surface of the aluminum alloy sample 11 by arranging the welding gun 15, the back of the casing 1 is clamped with a plurality of fans 17, the left and right sides of the inner wall of the casing 1 are respectively provided with a plurality of second through holes 16, the front of the casing 1 is hinged with the back of the door panel 18 by two hinges, the right side of the door panel 18 is clamped with an observation window 19, by arranging the observation window 19, because the material of the observation window 19 is transparent glass, the worker can observe the aluminum alloy sample 11 in the casing 1 through the observation window 19, the lower surface of the fixing block 6 is arranged in an inclined shape, the upper surface of the aluminum alloy sample 11 was set to be inclined.

Specifically, as shown in fig. 3 and 4, the sliding mechanism 7 includes a sliding sleeve 71, the sliding sleeve 71 is fastened to the left side of the inner wall of the groove 8, a sliding rod 72 is slidably connected in the sliding sleeve 71, by arranging the sliding sleeve 71 and the sliding rod 72, the sliding sleeve 71 can limit the sliding rod 72 because the sliding sleeve 71 is slidably connected in the sliding sleeve 71, so that the sliding rod 72 can not shake during movement, so that the sliding rod 72 can drive the fixed block 6 to move stably, the upper surface of the sliding rod 72 is fixedly connected with the lower surface of the fixed block 6, the left end of the sliding rod 72 is fixedly connected with the right side of the first piston 74, by arranging the first piston 74, because the outer surface of the first piston 74 is provided with a rubber sleeve, the first piston 74 is in close contact with the inner wall of the first cavity 12, the first piston 74 is slidably connected in the first cavity 12, the outer surface of the sliding rod 72 is sleeved with a spring 73, and two ends of the spring 73 are respectively fixedly connected with the opposite surfaces of the sliding sleeve 71 and the fixed block 6, by providing the spring 73, when the worker reverses the threaded rod 142, the fixing block 6 is allowed to move leftward by the elastic force of the spring 73.

Specifically, as shown in fig. 5 and 6, the pushing mechanism 14 includes a nut 141, the nut 141 is clamped on the back surface of the inner wall of the second cavity 13, a threaded rod 142 is connected to the nut 141 through an internal thread, the threaded rod 142 is connected to the nut 141 through an internal thread, so that the threaded rod 142 and the nut 141 are matched with each other to push the bearing 143 to move, one end of the back surface of the threaded rod 142 is clamped in the bearing 143, the bearing 143 is arranged to prevent the second piston 144 from rotating in the second cavity 13 when the rotating threaded rod 142 drives the second piston 144 to move through the bearing 143, the bearing 143 is clamped on the front surface of the inner wall of the second piston 144, the second piston 144 is tightly contacted with the inner wall of the second cavity 13 due to the rubber sleeve arranged on the outer surface of the second piston 144, the second piston 144 is slidably connected in the second cavity 13, and by arranging the first piston 74 and the second piston 144, the second piston 144 has a larger cross-sectional dimension than the first piston 74, such that the first piston 74 moves a greater distance within the first cavity 12 than the second piston 144 moves within the second cavity 13.

The working principle of the utility model is as follows:

s1, when the test device needs to be used, a worker places the aluminum alloy sample 11 among the three fixing blocks 6, rotates the threaded rod 142, enables the rotated threaded rod 142 and the nut 141 to be mutually matched and can drive the second piston 144 to move in the second cavity 13 through the bearing 143 due to the fact that the threaded rod 142 is connected with the nut 141 in an internal thread mode, enables the first pistons 74 arranged in the three first cavities 12 to be mutually close due to the fact that the second cavity 13 is communicated with the three first cavities 12, enables the three first pistons 74 to drive the three fixing blocks 6 to be mutually close through the sliding rod 72, enables the three fixing blocks 6 to be in contact with the aluminum alloy sample 11, enables the aluminum alloy sample 11 to move to the center of the fixing plate 5, and enables the lower surfaces of the three fixing blocks 6 to be in lap joint with the upper surface of the aluminum alloy sample 11;

s2, secondly, controlling the welding gun 15 to work, enabling the welding gun 15 to perform welding heating to provide a high-temperature condition for generating welding hot cracks on the aluminum alloy sample 11, then controlling the electric push rod 2 to work, enabling the electric push rod 2 to drive the pressing block 3 to move upwards, enabling the pressing block 3 to be in contact with the aluminum alloy sample 11, enabling the center of the aluminum alloy sample 11 to form a large tensile strain field along the circumferential direction, and enabling the aluminum alloy sample 11 to generate hot cracks after high-temperature welding and top deformation;

s3, finally, when the aluminum alloy sample 11 with the hot cracks needs to be moved out of the shell 1, the fan 17 is controlled to rotate forwards, so that the high temperature on the surface of the aluminum alloy sample 11 is rapidly discharged through the second through hole 16, when the aluminum alloy sample 11 recovers to the proper temperature, the threaded rod 142 is rotated backwards, the three fixing blocks 6 move mutually under the action of the elastic force of the spring 73, the three fixing blocks 6 are separated from the aluminum alloy sample 11, a worker moves the aluminum alloy sample 11 forwards, and the aluminum alloy sample 11 is moved out of the shell 1.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred test embodiments of the present patent have been described in detail, the present patent is not limited to the above test embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a marine corrosion-resistant aluminium alloy material welding hot crack tendency test device, includes casing (1), its characterized in that: the lower surface of the inner wall of the shell (1) is fixedly connected with the bottom end of the electric push rod (2), the top end of the electric push rod (2) is fixedly connected with the lower surface of the pressing block (3), the pressing block (3) is arranged in the first through hole (4), the first through hole (4) is formed in the upper surface of the fixing plate (5), the fixing plate (5) is arranged in the shell (1), and three grooves (8) are formed in the upper surface of the fixing plate (5);

the utility model discloses a fixed plate, including recess (8), recess (8) inside joint have slide mechanism (7), and the upper surface of three slide mechanism (7) all is connected with the lower fixed surface of fixed block (6), and the opposite face overlap joint of three fixed block (6) has aluminum alloy sample (11), the lower surface of aluminum alloy sample (11) and the upper surface overlap joint of fixed plate (5), slide mechanism (7) set up in first cavity (12), and three first cavity (12) are linked together with second cavity (13), first cavity (12) and second cavity (13) are all seted up in fixed plate (5), be provided with in second cavity (13) pushing mechanism (14), pushing mechanism (14) joint is in the front of fixed plate (5).

2. The marine corrosion-resistant aluminum alloy material welding thermal crack tendency test device of claim 1, characterized in that: the equal fixedly connected with slider (9) of the left and right sides face of briquetting (3), slider (9) sliding connection is in spout (10), and the opposite face at first through-hole (4) inner wall is seted up respectively in two spouts (10).

3. The marine corrosion-resistant aluminum alloy material welding thermal crack tendency test device of claim 1, characterized in that: the welding gun is characterized in that a welding gun (15) is arranged on the upper surface of the inner wall of the shell (1), a plurality of fans (17) are connected to the back surface of the shell (1) in a clamping mode, and a plurality of second through holes (16) are formed in the left side surface and the right side surface of the inner wall of the shell (1).

4. The marine corrosion-resistant aluminum alloy material welding thermal crack tendency test device of claim 1, characterized in that: the front surface of the shell (1) is hinged with the back surface of the door panel (18) through two hinges, and the right side surface of the door panel (18) is connected with an observation window (19) in a clamping mode.

5. The marine corrosion-resistant aluminum alloy material welding thermal crack tendency test device of claim 1, characterized in that: slide mechanism (7) are including sliding sleeve (71), sliding sleeve (71) joint is at the left surface of recess (8) inner wall, sliding sleeve (71) sliding connection has slide bar (72), the upper surface of slide bar (72) and the lower fixed surface of fixed block (6) are connected, the left end of slide bar (72) and the right flank fixed connection of first piston (74), first piston (74) sliding connection is in first cavity (12), spring (73) have been cup jointed to the surface of slide bar (72), the both ends of spring (73) respectively with the opposite face fixed connection of sliding sleeve (71) and fixed block (6).

6. The marine corrosion-resistant aluminum alloy material welding thermal crack tendency test device of claim 1, characterized in that: push mechanism (14) include nut (141), nut (141) joint is at the back of second cavity (13) inner wall, nut (141) internal thread connection has threaded rod (142), the one end joint at the back of threaded rod (142) is in bearing (143), bearing (143) joint is in the front of second piston (144) inner wall, second piston (144) sliding connection is in second cavity (13).

7. The marine corrosion-resistant aluminum alloy material welding thermal crack tendency test device of claim 1, characterized in that: the lower surface of the fixed block (6) is arranged to be inclined, and the upper surface of the aluminum alloy sample (11) is arranged to be inclined.