CN209811565U - Welding angle deformation control tool for steel pipe combined column - Google Patents
Welding angle deformation control tool for steel pipe combined column Download PDFInfo
- Publication number
- CN209811565U CN209811565U CN201920370990.6U CN201920370990U CN209811565U CN 209811565 U CN209811565 U CN 209811565U CN 201920370990 U CN201920370990 U CN 201920370990U CN 209811565 U CN209811565 U CN 209811565U
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- bolt
- shaped
- steel
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 134
- 239000010959 steel Substances 0.000 title claims abstract description 134
- 238000003466 welding Methods 0.000 title claims abstract description 60
- 230000006835 compression Effects 0.000 claims abstract description 10
- 238000007906 compression Methods 0.000 claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000004513 sizing Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000000844 transformation Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
Landscapes
- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model discloses a welding angle deformation control tool of a steel pipe combination column in the field of steel structure manufacturing, which comprises a boat-shaped bracket, a lower bolt tensioner and an upper bolt tensioner, wherein the backs of two steel pipe combination column limbs are oppositely arranged on the boat-shaped bracket, the cross section of the steel pipe combination column is in an L shape and is composed of a first steel pipe with a rectangular cross section, the cross section of the second steel pipe is square, the two parallel steel connecting plates are used for connecting the first steel pipe and the second steel pipe, the upper surface of the boat-shaped support is L-shaped, the cross section of the lower bolt tensioner is U-shaped, the two upper ends of the U-shaped support are fixedly connected with the outer sides of the lower ends of the first steel pipes of the two steel pipe combination columns respectively, a bolt telescopic adjusting device is arranged at the bottom of the U-shaped support, the cross section of the upper bolt tensioner is inverted U-shaped, bolt screwing-in compression rods are arranged at the two lower ends of the inverted U-shaped support, and the inner ends of the bolt screwing-in compression rods are abutted against the outer ends of. The utility model discloses a frock can effective control steel pipe combination post welding deformation, guarantee welding quality.
Description
Technical Field
The utility model belongs to the technical field of steel construction manufacturing and specifically relates to a steel pipe combination column's welding angle deformation control frock is related to.
Background
At present, rectangular pipe combined special-shaped columns are often adopted in assembly type buildings, and the purpose is to embed the columns in a wall body, so that the practical area of a house can be particularly enlarged. Because the combined column with the L-shaped section belongs to a neutral axis asymmetric structure, the deformation can not be controlled by the common symmetric welding process, the correction after the welding deformation is very difficult, the metallographic structure of steel can be damaged by flame correction, and the mechanical property of a component is damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can control welding deformation, guarantee welding quality's steel pipe combination column's welding angle deformation control frock.
The purpose of the utility model is realized like this: a welding angle deformation control tool for a steel pipe combination column comprises a boat-shaped support, a lower bolt tensioner and an upper bolt tensioner, wherein two steel pipe combination column limbs are oppositely arranged on the boat-shaped support, the cross section of the steel pipe combination column is L-shaped and comprises a first steel pipe with a rectangular cross section, a second steel pipe with a square cross section and two parallel connecting steel plates for connecting the first steel pipe and the second steel pipe, the upper surface of the boat-shaped support is L-shaped and comprises a first supporting surface for supporting the first steel pipe and a second supporting surface perpendicular to the first supporting surface, a supporting column is fixed on the surface of the second supporting surface and vertically abutted against the outer sides of the connecting steel plates of the adjacent steel pipe combination columns, the cross section of the lower bolt tensioner is U-shaped, the two upper ends of the U-shaped are respectively fixedly connected with the outer sides of the lower ends of the first steel pipes of the two steel pipe combination columns, and a bolt expansion adjusting device is arranged at the bottom of the U-shaped support, the cross section of the upper bolt tensioner is in an inverted U shape, two lower ends of the inverted U shape are provided with bolt screwing-in compression rods, and the inner ends of the bolt screwing-in compression rods are abutted to the outer ends of the second steel pipes of the two steel pipe combination columns.
The utility model discloses a welding angle deformation control frock of steel pipe combination post is used for steel pipe combination post welding, and bolt strainer produces crooked compressive stress in steel pipe combination post below down, goes up bolt strainer and produces crooked tensile stress in steel pipe combination post top, and steel pipe combination post is being drawn the district welding, and bolt strainer's external force has weakened the degree of being obstructed of thermal energy, and plastic district compressive deformation reduces, and the residual deformation is also little naturally after the cooling. On the contrary, in the welding of the compression zone, the external force strengthens the degree of resistance of the metal to thermal expansion, the welding plastic deformation is increased, and the residual deformation is also large after cooling, namely, in the thermal expansion stage, the stress of the tension zone offsets a part of the stress, thereby reducing the welding deformation reaching the yield limit. Therefore, the utility model discloses a welding angle deformation control frock of steel pipe combination column can effective control welding deformation, guarantee welding quality.
As a further improvement of the utility model, lower bolt tensioner includes left part and the right part that the symmetry set up, and the left part is passed through bolt flexible adjusting device with the right part and is connected, and bolt flexible adjusting device left and right sides both ends are equipped with the screw hole, and left part and right part cross-section are the L type, L type one end and first steel pipe lower extreme outside fixed connection, and the L type other end stretches into in the screw hole and threaded connection with it. The lower bolt tensioner is simple in structure and convenient to manufacture, and the connecting difficulty of the steel pipe combined column is simplified.
As a further improvement, the bolt telescopic adjusting device is provided with openings at the front and the rear ends, so that the distance between the two first steel pipes can be adjusted through the openings.
As a further improvement, the utility model is provided with a sizing block between two steel pipe combination columns, and the sizing block is arranged at the connecting position of the first steel pipe and the connecting steel plate and the connecting position of the second steel pipe and the connecting steel plate. A gap exists between the two steel pipe combined columns through the sizing block, and interference to the adjacent position of the other steel pipe combined column on the inner side when a certain position of the steel pipe combined column on the outer side is welded is prevented.
As the utility model discloses a further improvement, lower bolt tensioner is three groups at least with last bolt tensioner, sets up both ends and the middle part at the steel pipe combination post respectively to exert sufficient power in order to counter balance welding deformation to the steel pipe combination post in welding process.
As a further improvement, the ship-shaped support adopts frame construction, and slotted steel welding forms, adopts frame construction, can reduce frock material cost, also is convenient for make, conveniently forms dead slot with the holding bolt strainer under in first holding surface simultaneously.
Drawings
Fig. 1 is a schematic diagram of the welding angle deformation control tool for the steel pipe combined column of the present invention.
Fig. 2 is a schematic view of the welding sequence of the steel pipe combined column of the present invention.
The device comprises a boat-shaped support 1, a first supporting surface 1A of the support 1A, a second supporting surface 1B of the support 1C, a supporting column 1C, a bolt tensioner 2 below, a left part 2A, a right part 2B, a bolt telescopic adjusting device 2C, a bolt tensioner 3 above, a bolt 3A screwing-in compression rod 4A, a first steel pipe 4B, a second steel pipe 4C, a connecting steel plate 4C and an iron pad 5.
Detailed Description
The welding angle deformation control tool for the steel pipe combined column shown in fig. 1 comprises a boat-shaped support 1, a lower bolt tensioner 2 and an upper bolt tensioner 3, wherein the backs of two steel pipe combined column limbs are oppositely arranged on the boat-shaped support 1. The cross section of the steel tube combined column is L-shaped and consists of a first steel tube 4A with a rectangular cross section, a second steel tube 4B with a square cross section and two parallel connecting steel plates 4C for connecting the first steel tube and the second steel tube. Be equipped with parallels piece 5 between two steel pipe combination columns, parallels piece 5 sets up in first steel pipe 4A and connecting steel plate 4C hookup location and second steel pipe 4B and connecting steel plate 4C hookup location. A gap exists between the two steel pipe combined columns through the iron pad 5, and interference to the adjacent position of the other steel pipe combined column on the inner side when a certain position of the steel pipe combined column on the outer side is welded is prevented.
The upper surface of the ship-shaped support 1 is L-shaped and comprises a first supporting surface 1A for supporting a first steel pipe 4A and a second supporting surface 1B perpendicular to the first supporting surface 1A, a supporting column 1C is fixed on the surface of the second supporting surface 1B, and the supporting column 1C is perpendicularly abutted to the outer side of a connecting steel plate 4C of an adjacent steel pipe combined column. The ship-shaped support adopts a frame structure, is formed by welding slotted steel, can reduce the material cost of the tool when providing stable support for the steel pipe combined column, is convenient to manufacture, and simultaneously conveniently forms a hollow groove in the first support surface 1A to hold the lower bolt tensioner 2.
The cross section of the lower bolt tensioner 2 is U-shaped and comprises a left part 2A and a right part 2B which are symmetrically arranged, and the left part 2A and the right part 2B are connected through a bolt telescopic adjusting device 2C. Both ends are equipped with the screw hole about bolt telescoping adjustment device 2C, and left part 2A and right part 2B cross-section are the L type, and L type one end and first steel pipe 4A lower extreme outside fixed connection, the L type other end stretch into in the bolt telescoping adjustment device 2C screw hole and threaded connection with it. The front end and the rear end of the bolt telescopic adjusting device 2C are provided with openings, so that the distance between the two first steel pipes 4A can be conveniently adjusted through the openings.
The cross section of the upper bolt tensioner 3 is in an inverted U shape, threaded holes are formed in two lower ends of the inverted U shape, the bolt screwing-in pressing rod 3A penetrates through the threaded holes to be fixed on the upper bolt tensioner 3, and the inner end of the bolt screwing-in pressing rod 3A is abutted to the outer ends of the second steel pipes 4B of the two steel pipe combination columns.
In this embodiment, the lower bolt tensioner 2 and the upper bolt tensioner 3 are provided in three groups, which are respectively disposed at two ends and a middle position of the steel pipe composite column, so as to apply enough force to the steel pipe composite column to counter the welding deformation during the welding process. In practical implementation, the lower bolt tensioner 2 and the upper bolt tensioner 3 may also exceed 3 groups, and besides the two groups of lower bolt tensioners 2 and the upper bolt tensioner 3 located at the end portions, the other groups of lower bolt tensioners 2 and the upper bolt tensioner 3 are evenly distributed between the two groups of lower bolt tensioners 2 and the upper bolt tensioner 3 located at the end portions, so as to provide uniform anti-deformation force.
Referring to fig. 2, in order to overcome the distortion in the welding process of the steel pipe composite column, the welding process includes the following steps:
(1) welding straight welding seams L1 at two ends of the two steel pipe combined columns;
(2) welding the welding seam on the outer side of the steel pipe combined column on the outer side:
A. welding a welding seam L2 between the second steel pipe 4B and the connecting steel plate 4C of the steel pipe combined column except for the connecting position of the upper bolt tensioner 3;
B. welding an inner angle welding seam L3 between the first steel pipe 4A of the steel pipe combined column and the connecting steel plate 4C;
(3) rotating the direction of the two steel pipe combined columns by adopting a lifting appliance, rotating the steel pipe combined column positioned on the inner side to the outer side, and repeating the A-B welding operation in the step (2);
(4) and (3) dismantling the upper bolt tensioner 3 and cutting the lower bolt tensioner 2 to separate the two steel pipe combined columns, welding two butt welding seams L4 on the vertical sides of the steel pipe combined columns, and performing repair welding on the welding seam at the connecting position of the upper bolt tensioner 3.
According to the influence principle of the stress state on welding deformation: the welding deformation forming process is that metal thermal expansion is blocked to form compressive stress during welding, and when the compressive stress exceeds an elastic range, the metal enters a high-temperature plastic state. The metal shrinks and deforms upon cooling, and the weld deformation is therefore related to the original stress state of the workpiece at the time of welding.
According to the principle, the welding angular deformation is easy to generate by considering the asymmetry of the section and the axis of the steel pipe combination column. In the embodiment, two steel pipe combination columns which are assembled and not welded are padded with the iron pad, the steel pipe combination columns are pressurized at two ends and the middle part by using bolt tensioners (a lower bolt tensioner 2 and an upper bolt tensioner 3) to form bending moment, the lower bolt tensioner 2 generates bending compressive stress below the steel pipe combination columns, the upper bolt tensioner 3 generates bending tensile stress above the steel pipe combination columns, the steel pipe combination columns are welded in a tension area, the external force of the bolt tensioners weakens the blocking degree of thermal expansion, the plastic area compression deformation is reduced, and the residual deformation after cooling is naturally small. On the contrary, in the welding of the compression zone, the external force strengthens the degree of resistance of the metal to thermal expansion, the welding plastic deformation is increased, and the residual deformation is also large after cooling, namely, in the thermal expansion stage, the stress of the tension zone offsets a part of the stress, thereby reducing the welding deformation reaching the yield limit.
The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.
Claims (6)
1. The utility model provides a welding angle deformation control frock of steel pipe combination column which characterized in that: the steel pipe combination column comprises a boat-shaped support, a lower bolt tensioner and an upper bolt tensioner, wherein two steel pipe combination column limbs are oppositely arranged on the boat-shaped support, the cross section of each steel pipe combination column is L-shaped, each steel pipe combination column comprises a first steel pipe with a rectangular cross section, a second steel pipe with a square cross section and two parallel connecting steel plates for connecting the first steel pipe and the second steel pipe, the upper surface of the boat-shaped support is L-shaped and comprises a first supporting surface for supporting the first steel pipe and a second supporting surface vertical to the first supporting surface, a supporting column is fixed on the surface of the second supporting surface and vertically abutted against the outer sides of the connecting steel plates of the adjacent steel pipe combination columns, the cross section of the lower bolt tensioner is U-shaped, the upper ends of the U-shaped section are respectively fixedly connected with the outer sides of the lower ends of the first steel pipes of the two steel pipe combination columns, and a bolt telescopic adjusting device is arranged at the bottom of the U, the cross section of the upper bolt tensioner is in an inverted U shape, bolt screwing-in compression rods are arranged at the two lower ends of the inverted U shape, and the inner ends of the bolt screwing-in compression rods are abutted to the outer ends of the second steel pipes of the two steel pipe combination columns.
2. The welding angle deformation control tool of the steel pipe combined column according to claim 1, characterized in that: the lower bolt tensioner comprises a left part and a right part which are symmetrically arranged, the left part and the right part are connected through the bolt telescopic adjusting device, threaded holes are formed in the left end and the right end of the bolt telescopic adjusting device, the cross sections of the left part and the right part are L-shaped, one end of each L-shaped part is fixedly connected with the outer side of the lower end of the first steel pipe, and the other end of each L-shaped part extends into the threaded hole and is in threaded connection with the threaded hole.
3. The welding angle deformation control tool of the steel pipe combined column according to claim 2, characterized in that: the front end and the rear end of the bolt telescopic adjusting device are opened.
4. The welding angle deformation control tool of the steel pipe combined column according to claim 1, characterized in that: be equipped with the washer iron piece between two steel pipe combination posts, the washer iron piece sets up at first steel pipe and connecting steel plate hookup location and second steel pipe and connecting steel plate hookup location.
5. The welding angle deformation control tool of the steel pipe combined column according to claim 1, characterized in that: the lower bolt tensioners and the upper bolt tensioners are at least three groups and are respectively arranged at two ends and the middle part of the steel pipe combined column.
6. The welding angle deformation control tool for the steel pipe combined column according to any one of claims 1 to 5, characterized in that: the ship-shaped support is of a frame structure and is formed by welding slotted steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920370990.6U CN209811565U (en) | 2019-03-22 | 2019-03-22 | Welding angle deformation control tool for steel pipe combined column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920370990.6U CN209811565U (en) | 2019-03-22 | 2019-03-22 | Welding angle deformation control tool for steel pipe combined column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209811565U true CN209811565U (en) | 2019-12-20 |
Family
ID=68876837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920370990.6U Withdrawn - After Issue CN209811565U (en) | 2019-03-22 | 2019-03-22 | Welding angle deformation control tool for steel pipe combined column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209811565U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109848626A (en) * | 2019-03-22 | 2019-06-07 | 宝胜系统集成科技股份有限公司 | A kind of Welding Angular Deformation control tooling of built up column |
-
2019
- 2019-03-22 CN CN201920370990.6U patent/CN209811565U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109848626A (en) * | 2019-03-22 | 2019-06-07 | 宝胜系统集成科技股份有限公司 | A kind of Welding Angular Deformation control tooling of built up column |
| CN109848626B (en) * | 2019-03-22 | 2023-10-31 | 宝胜系统集成科技股份有限公司 | Welding angle deformation control tool for steel pipe combined column |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203621716U (en) | H-shaped steel welding jig frame | |
| CN209811565U (en) | Welding angle deformation control tool for steel pipe combined column | |
| CN109848626B (en) | Welding angle deformation control tool for steel pipe combined column | |
| CN109848636B (en) | Welding method of steel pipe combined column | |
| CN208317217U (en) | A kind of enclosed type frame section bar | |
| CN207464543U (en) | A kind of welding handgrip of highly automated adjusting | |
| CN106346156B (en) | The method deformed in control condenser water box manufacture | |
| CN206200425U (en) | A kind of tubular type sofa handrail apparatus for welding and positioning | |
| CN206912516U (en) | A kind of device that stainless steel welded deformation is adjusted using jack | |
| CN212656374U (en) | Building steel construction that intensity is high | |
| CN210615663U (en) | Cylinder centering device of wind power tower cylinder | |
| CN203031173U (en) | Clamp used for clamping exhaust pipe of combustion pressure unit | |
| CN210254813U (en) | Rapid clamping and welding device for multi-workpiece support | |
| CN109868986A (en) | A kind of bilateral pull rod and its production technology on scaffold | |
| CN207447691U (en) | The auxiliary device of header welding | |
| CN210878338U (en) | Automatic assembling machine for H-shaped steel | |
| CN219588422U (en) | Multi-section supporting anti-damage welded pipe | |
| CN216590284U (en) | Pipe fitting installation fixing device | |
| CN104475928A (en) | Boiler steel structure superposed beam manufacturing process | |
| CN214384278U (en) | Water heating pipe installation support for building | |
| CN219561947U (en) | Auxiliary device for assembly welding of throttle plate | |
| CN214347843U (en) | Anti-fatigue one-step forming gyroscope tube for vibrating screen | |
| CN218904052U (en) | V-shaped round tube column foot node | |
| CN216617391U (en) | Special window protective fence of bank | |
| CN112355501B (en) | Deformation-preventing single-side assembling method for steel member |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191220 Effective date of abandoning: 20231031 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20191220 Effective date of abandoning: 20231031 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |