CN205438293U - Weld quality detects auxiliary fixtures - Google Patents
Weld quality detects auxiliary fixtures Download PDFInfo
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- CN205438293U CN205438293U CN201521109861.XU CN201521109861U CN205438293U CN 205438293 U CN205438293 U CN 205438293U CN 201521109861 U CN201521109861 U CN 201521109861U CN 205438293 U CN205438293 U CN 205438293U
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- framework
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- 238000003466 welding Methods 0.000 claims abstract description 97
- 238000003825 pressing Methods 0.000 claims abstract description 32
- 229920001342 Bakelite® Polymers 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 239000004637 bakelite Substances 0.000 claims description 6
- 238000012372 quality testing Methods 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 2
- 239000002023 wood Substances 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 210000001503 joint Anatomy 0.000 abstract description 13
- 238000001514 detection method Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract description 4
- 238000010030 laminating Methods 0.000 abstract description 2
- 230000007306 turnover Effects 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 description 13
- 238000003756 stirring Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Landscapes
- Butt Welding And Welding Of Specific Article (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a weld quality detects auxiliary fixtures, include: the skeleton is used for placing weld workpiece, the locating piece is used for rightly weld workpiece fixes a position, closing device be used for with weld workpiece compresses tightly, the pinched composition, the pinched composition is used for pressing from both sides tightly weld workpiece, the lead screw is constituteed, it is right that the lead screw constitution is used for weld workpiece carries out a fastening to be decided, the activity lifting hook, it is right that activity lifting hook is used for the skeleton overturns, wherein, through the locating piece closing device the pinched composition the lead screw is constituteed will weld workpiece with the skeleton laminating utilizes the activity lifting hook is right weld workpiece overturns, all -round detection weld workpiece's weld quality, so, after the welding of the butt weld of railway freight car side wall finishes, can go on swiftly the vehicle side wall, overturn safely under the cooperation of overhead traveling crane, the high -efficient turn -over detection that realizes veneer butt joint's root of weld quality.
Description
Technical Field
The utility model belongs to the technical field of the railway train machine-building, especially, relate to a welding seam quality testing auxiliary fixtures.
Background
The friction stir welding has the outstanding advantages of high quality, high efficiency, low energy consumption, small welding deformation, no pollution and the like. The friction stir welding technology is already applied to the large-scale and industrialized production of ships, aerospace and other manufacturing fields at home and abroad.
In recent years, in order to meet the requirements of heavy load and rapid development of railway trains, various railway train manufacturers begin to carry out deep research on light weight design of vehicles so as to achieve the purposes of reducing self weight and improving load. The key to reducing the occupied space of the vehicle side wall butt joint is to reduce the self weight of the vehicle and expand the volume of the vehicle, and the welding of the single plate butt joint of the vehicle side wall by using the friction stir welding technology is a common method, but the quality of the root of the welding seam of the single plate butt joint cannot be inspected in all directions after the welding is finished due to the large size of the vehicle side wall, so the application quality of the friction stir welding technology on the railway train cannot be ensured.
Based on this, need for an auxiliary fixtures at present to can be after the welding finishes, can overturn the vehicle side wall, thereby high-efficient detection that realizes butt joint's welding seam root quality.
SUMMERY OF THE UTILITY MODEL
Problem to prior art exists, the embodiment of the utility model provides a welding seam quality testing auxiliary fixtures for solve prior art, utilize the friction welding technique to finish the butt joint welding of train side wall after, can not carry out the technical problem of all-round inspection to veneer butt joint's welding seam root quality.
The utility model provides a welding seam quality testing auxiliary fixtures, the frock includes:
the framework is used for placing a welding workpiece;
the positioning blocks are arranged at two ends of the first cross beam of the framework and used for positioning the welding workpiece;
the pressing device is arranged on the welding workpiece and is used for pressing the welding workpiece;
the clamping assemblies are arranged on two sides of the framework and used for clamping the welding workpiece;
the screw rod assembly is arranged at one end of the second cross beam of the framework and used for tightly jacking and fixing the welding workpiece;
the movable lifting hook is arranged on one side of the framework and used for overturning the tool; wherein,
the movable lifting hook is utilized to overturn the welding workpiece, and the welding seam quality of the welding workpiece is detected in an all-dimensional mode.
In the above scheme, the tool further comprises: the glue wood pad is arranged on the pressing device and used for preventing the welding workpiece from sliding off.
In the above-mentioned scheme, the closing device includes: the carrying pole is compressed.
In the above scheme, the pressing devices comprise eight pressing devices.
In the scheme, six bakelite pads are arranged on each pressing device.
In the above scheme, the positioning blocks include four positioning blocks.
In the above aspect, the welding workpiece includes: railway freight car side wall structure, subway side wall structure and passenger train side wall structure.
In the above scheme, the tool further comprises: and the fixed lifting hook is arranged on the other side of the framework.
The utility model provides a welding seam quality testing auxiliary fixtures, the frock includes: the framework is used for placing a welding workpiece; the positioning blocks are arranged at two ends of the first cross beam of the framework and used for positioning the welding workpiece; the pressing device is arranged on the welding workpiece and is used for pressing the welding workpiece; the clamping assemblies are arranged on two sides of the framework and used for clamping the welding workpiece; the screw rod assembly is arranged at one end of the second cross beam of the framework and used for tightly jacking and fixing the welding workpiece; the movable lifting hook is arranged on one side of the framework and used for overturning the framework; the welding workpiece is attached to the framework through the positioning block, the pressing device, the clamping assembly and the screw rod assembly, the welding workpiece is turned over through the movable lifting hook, and the weld joint quality of the welding workpiece is detected in an all-dimensional mode; therefore, after the butt joint of the railway side wall is welded, the vehicle side wall can be quickly and safely turned over under the cooperation of the crown block, and the detection of the quality of the root of the welding seam of the single-plate butt joint is efficiently realized.
Drawings
Fig. 1 is a top view of an auxiliary tool provided in an embodiment of the present invention;
fig. 2 is a first left side view of the auxiliary tool provided in the embodiment of the present invention;
fig. 3 is a second left side view of the auxiliary tool provided in the embodiment of the present invention;
fig. 4 is the overall structure schematic diagram when the side wall structure of the railway wagon provided by the embodiment of the utility model is attached to the auxiliary tool.
Description of reference numerals:
1-a framework; 2-positioning blocks; 3-a pressing device; 4-a bakelite pad; 5-clamping; 6-lead screw composition; 7-a movable hook; 8-fixing the hook.
Detailed Description
In order to finish after the butt joint welding of railway side wall finishes, can swiftly, overturn safely to the vehicle side wall, the high-efficient detection of realizing the welding seam root quality to butt joint, the utility model provides a welding seam quality detection auxiliary fixtures, the frock includes: the framework is used for placing a welding workpiece; the positioning blocks are arranged at two ends of the first cross beam of the framework and used for positioning the welding workpiece; the pressing device is arranged on the welding workpiece and is used for pressing the welding workpiece; the clamping assemblies are arranged on two sides of the framework and used for clamping the welding workpiece; the screw rod assembly is arranged at one end of the second cross beam of the framework and used for tightly jacking and fixing the welding workpiece; the movable lifting hook is arranged on one side of the framework and used for overturning the framework; the positioning block, the pressing device, the clamping assembly and the lead screw assembly are used for jointing the welding workpiece with the framework, the movable lifting hook is used for overturning the welding workpiece, and the welding seam quality of the welding workpiece is detected in an all-dimensional mode.
The technical solution of the present invention is further described in detail with reference to the accompanying drawings and specific embodiments.
This embodiment provides a welding seam quality testing auxiliary fixtures, as shown in fig. 1, the frock includes: the device comprises a framework 1, a positioning block 2 and a pressing device 3; wherein, the figure 1 is an 1/2 view of the auxiliary tool.
The framework 1 is used for placing a welding workpiece; the welding workpiece may specifically include: the side wall structure of the railway wagon, the side wall structure of the subway and the side wall structure of the railway passenger car are welded by using aluminum alloy friction stir welding. After the butt joint of the welding workpiece is welded, the welding workpiece is placed on the framework 1, and the positioning block 2 is used for positioning the welding workpiece.
Here, the positioning blocks 2 are provided at both ends of the first beam of the framework 1. The first cross beam comprises two, and the positioning blocks 2 comprise four. The inner side distance of skeleton 1 support is 2900cm, the outer side distance of skeleton 1 support is 3100cm, the outer wide maximum size in 1 middle part of skeleton is 500 cm.
After the welding workpiece is placed on the framework 1, the pressing device 3 is used for pressing the welding workpiece, namely the pressing device 3 is positioned at a pressing limit position in the framework 1; wherein, the pressing device 3 specifically includes: the carrying pole is pressed, and the pressing devices 3 comprise eight. Six bakelite pads 4 are further arranged on each pressing device 3, the bakelite pads 4 are attached to the surfaces of the welding workpieces, the welding workpieces are prevented from sliding off, the aluminum alloy welding workpieces are protected, and the workpieces are prevented from being damaged due to direct contact with the framework 1.
Further, as shown in fig. 2, the tool further includes: a clamping assembly 5; the clamping component 5 is arranged on the long edges of the two sides of the framework 1, and when the pressing device 3 is attached to the welding workpiece, the clamping component 5 is used for clamping the welding workpiece. Specifically, after the workpiece is located, the 5 tightly-pushing workpiece is formed by adopting the lead screws, the lead screws are manually rotated to realize downward spinning of the lead screws through the lead screw supporting structure welded on the framework 1, so that two ends of the pressing carrying pole are pressed downwards to press the workpiece, the workpiece is fastened with the framework 1, and the stable overturning is ensured. Wherein, the clamping component 5 comprises sixteen groups, and eight groups are respectively arranged on the long sides of two sides of the framework 1.
Further, as shown in fig. 3, the tool further includes: the lead screw is formed into 6, the lead screw is formed into 6 and is set up the one end of 1 second crossbeam of skeleton, and when it will to press from both sides tight 3 of group welding work piece after compressing tightly, the lead screw is formed into 6 and is used for right welding work piece carries out the top tightly fixedly. Here, since the welding workpiece is generally smaller than the frame 1 in size, the screw assembly 6 is required to tightly hold the welding workpiece so that the welding workpiece is attached to the entire tool. Specifically, after the workpiece falls on the framework 1, the screw rod is pushed inwards by rotating the screw rod, so that the workpiece is tightly pushed, and the workpiece is attached to the positioning block 2 on the other side. The screw rod assemblies 6 comprise two groups, and the two groups of screw rod assemblies 6 are symmetrical about the length center line of the framework 1.
The distance between the inner side face of the threaded sleeve of the screw rod assembly 6 and the inner side face of the framework 1 is 2708cm, the distance between one end of the screw rod assembly 6 and one side of the framework 1, namely the maximum turning width, is 2650cm, the distance between one end of the screw rod assembly 6 and the other side of the framework 1, namely the minimum turning width, is 2440cm, and the distance between the lower plane of the cross beam of the framework 1 and the lower part of the support of the framework 1 is 110 cm.
Here, the tool further includes: a movable hook 7 and a fixed hook 8; the movable lifting hooks 7 comprise four parts and are all arranged on the long edge on one side of the framework 1 and used as lifting points to turn over the tool by utilizing a crown block. The fixed lifting hooks 8 comprise four fixed lifting hooks, are arranged on the long edge of the other side of the framework 1 and are used for turning over supporting points of the tool. Specifically, when the welding workpiece presss from both sides the back of fixing in the frock, utilize movable lifting hook 7 and fixed lifting hook 8 are used for right the frock overturns, in order to realize the upset of welding workpiece carries out all-round detection to the welding seam.
During practical application, when the welding workpiece is of a side wall structure of a railway wagon, the side wall structure of the railway wagon can be turned over through the following steps, and weld quality detection is carried out:
Step 1, placing the auxiliary tool on the ground with the right side up, loosening the pressing device 3 and the screw rod assembly 6, and taking out the pressing device 3.
And 2, hoisting the side wall structure of the railway wagon to be inspected to an auxiliary tool by utilizing the cooperation of the crown block, and picking off a lifting hook of the crown block to separate the lifting hook from a welding workpiece after the lifting hook is stably placed as shown in figure 4. The side wall structure of the railway wagon is hung to an auxiliary tool in the 1/2 view shown in fig. 4.
And 3, arranging the pressing device 3 on the side wall structure of the railway wagon, fixing the pressing device 3 at a pressing limit position in the framework 1, and ensuring that the bakelite pad 4 is in contact with the side wall structure of the railway wagon.
And 4, screwing the screw rod assembly 6 to tightly push the side wall structure of the railway wagon, and screwing the clamping screw rod of the clamping assembly 5 to tightly press the side wall structure of the railway wagon so as to attach and fix the side wall structure of the railway wagon to the whole tool.
And 5, carrying out visual detection, penetrant inspection and ultrasonic inspection on the weld joint of the front single plate of the side wall structure of the wagon, wherein inspection items can be determined according to the importance degree of the weld joint. And marking the positions of the welding seams which do not meet the standard or have defects after the inspection is finished, and performing rework treatment. After the rework treatment, the inspection is repeated according to the same method until the product is qualified.
Step 6, after the side wall structure of the railway wagon is firmly clamped, the movable lifting hook 7 is used as a lifting point, the fixed lifting hook 8 is matched as a fulcrum, a crown block is tightly tied with the movable lifting hook 7 through a lifting belt, the crown block lifting tool is lifted until the whole auxiliary tool is in a vertical state, the crown block is slowly moved, after the whole auxiliary tool is driven by the lifting belt or the lifting tool to be inclined for a certain angle, the crown block lifting tool is slowly lowered until the back side of the whole auxiliary tool is placed on a plane, and the whole overturning is completed; wherein the angle is generally controlled to be 5 to 10 degrees.
And 7, carrying out visual inspection, penetrant inspection and ultrasonic inspection on the welding seam at the single plate joint on the back side of the side wall structure of the railway wagon, wherein inspection items can be determined according to the importance degree of the welding seam, marking the position of the welding seam which does not meet the standard or has a defect after the inspection is finished, and carrying out rework treatment. After the rework treatment, the inspection is repeated according to the same method until the product is qualified.
The utility model provides an auxiliary fixtures passes through the locating piece 2 closing device 3 press from both sides tight group 5 become 6 will the lead screw is constituteed welding workpiece with 1 laminating of skeleton, utilization 7 cooperation fixed lifting hooks 8 of activity lifting hook are right welding workpiece overturns, swiftly, carries out all-round inspection to the veneer butt joint welding seam quality of train side wall safely, has improved inspection efficiency and welding seam quality.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. The utility model provides a welding seam quality testing auxiliary fixtures which characterized in that, the frock includes:
the framework is used for placing a welding workpiece;
the positioning blocks are arranged at two ends of the first cross beam of the framework and used for positioning the welding workpiece;
the pressing device is arranged on the welding workpiece and is used for pressing the welding workpiece;
the clamping assemblies are arranged on two sides of the framework and used for clamping the welding workpiece;
the screw rod assembly is arranged at one end of the second cross beam of the framework and used for tightly jacking and fixing the welding workpiece;
the movable lifting hook is arranged on one side of the framework and used for overturning the tool; wherein,
the movable lifting hook is utilized to overturn the welding workpiece, and the welding seam quality of the welding workpiece is detected in an all-dimensional mode.
2. The tooling of claim 1, further comprising: the glue wood pad is arranged on the pressing device and used for preventing the welding workpiece from sliding off.
3. The tooling of claim 1 or 2, wherein the compression device comprises: the carrying pole is compressed.
4. The tooling of claim 1 or 2, wherein the hold-down devices comprise eight.
5. The tooling of claim 2, wherein six bakelite pads are provided on each of the hold-down devices.
6. The tooling of claim 1, wherein the positioning blocks comprise four.
7. The tooling of claim 1, wherein the welding workpiece comprises: railway freight car side wall structure, subway side wall structure and passenger train side wall structure.
8. The tooling of claim 1, further comprising: and the fixed lifting hook is arranged on the other side of the framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521109861.XU CN205438293U (en) | 2015-12-25 | 2015-12-25 | Weld quality detects auxiliary fixtures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521109861.XU CN205438293U (en) | 2015-12-25 | 2015-12-25 | Weld quality detects auxiliary fixtures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205438293U true CN205438293U (en) | 2016-08-10 |
Family
ID=56571484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521109861.XU Expired - Fee Related CN205438293U (en) | 2015-12-25 | 2015-12-25 | Weld quality detects auxiliary fixtures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205438293U (en) |
-
2015
- 2015-12-25 CN CN201521109861.XU patent/CN205438293U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20181225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |