CN209793003U - Elbow fixing device for integral build-up welding of 90-degree elbow inner wall - Google Patents
Elbow fixing device for integral build-up welding of 90-degree elbow inner wall Download PDFInfo
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- CN209793003U CN209793003U CN201920436424.0U CN201920436424U CN209793003U CN 209793003 U CN209793003 U CN 209793003U CN 201920436424 U CN201920436424 U CN 201920436424U CN 209793003 U CN209793003 U CN 209793003U
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Abstract
The utility model provides an elbow fixing device for integral build-up welding of 90-degree elbow inner wall, which comprises a position changer and a fixing part, wherein the fixing part is arranged on a disc of the position changer; the fixing piece comprises a supporting plate and a fixing plate, and the supporting plate and the fixing plate are installed together through a second fixing bolt; the supporting plate is perpendicular to the surface of the disc and connected to the disc, and a semi-arc-shaped groove is formed in one side, parallel to the disc, of the supporting plate; the fixing plate is in a semicircular arc shape, the supporting plate and the fixing plate form a group to form a circular cavity for accommodating the elbow, and the diameter of the circular cavity is the same as that of the elbow circular tube. The device can fix the 90-degree elbow and adjust the angle of the elbow, and the elbow rotates around the rotating shaft in the surfacing process to complete the integral surfacing of the 90-degree elbow.
Description
Technical Field
The utility model belongs to the elbow field of making, concretely relates to welder supports elbow fixing device for 90 elbow inner wall build-up welding.
Background
The surfacing of the inner wall of the 90-degree elbow is one of the manufacturing difficulties of petrochemical hydrogenation reaction equipment. The 90-degree elbow is divided into 2 sections and more than 2 sections, surfacing is carried out by adopting Shielded Metal Arc Welding (SMAW), the sections are assembled together after surfacing respectively, and then assembly welding and surfacing are carried out on a connecting welding seam. The process is not only complicated, increases the circumferential weld, but also has the quality which is not easy to control.
Each standard equal-diameter 90-degree elbow has the following characteristics: (1) the inner wall surface of each 90-degree elbow can be regarded as formed by rotating a circle by 90 degrees around a straight line; (2) no matter where the elbow is located, the lowest point of each circular section of the elbow is on one plane; (3) the plane where the lowest point of each circular section is positioned is vertical to the rotating shaft of the elbow; (4) the curve formed by the lowest point of each circular section is a circular arc line. Therefore, the inner wall overlaying of the 90-degree elbow can be regarded as overlaying of a strip of arc surfaces, and the central axes of the arc surfaces are the rotating shafts of the elbow.
When the inner wall of the 90-degree elbow is subjected to integral surfacing, a special elbow fixing device is needed to ensure that the elbow rotates around a rotating shaft, the integral surfacing work is completed by matching with a surfacing welding machine, and no fixing device specially aiming at the 90-degree elbow exists at present.
SUMMERY OF THE UTILITY MODEL
The utility model provides an elbow fixing device for 90 elbow inner wall build-up welding fixes 90 elbows on the machine disc of shifting, at the in-process of carrying out the build-up welding, makes 90 elbows revolute the rotation to realize the build-up welding of monoblock pitch arc.
In order to achieve the purpose, the invention adopts the following technical scheme:
An elbow fixing device for integral build-up welding of the inner wall of a 90-degree elbow comprises a positioner and a fixing piece, wherein the fixing piece is arranged on a disc of the positioner; the fixing piece comprises a supporting plate and a fixing plate, and the supporting plate and the fixing plate are installed together through a second fixing bolt; the supporting plate is perpendicular to the surface of the disc and connected to the disc, and a semi-arc-shaped groove is formed in one side, parallel to the disc, of the supporting plate; the fixing plate is in a semicircular arc shape, the supporting plate and the fixing plate form a group to form a circular cavity for accommodating the elbow, and the diameter of the circular cavity is the same as that of the elbow circular tube.
The elbow is fixed on the disc by the fixing plate and the supporting plate, and the circular section of the elbow circular tube is vertical to the disc.
Preferably, the fixing member comprises three sets of supporting plates and fixing plates, and the three sets of supporting plates and fixing plates jointly form a channel for accommodating the elbow.
Preferably, one end of the supporting plate-fixing plate points to the circle center, and the included angle between the straight lines of the adjacent groups of supporting plates-fixing plates is 60 degrees.
Preferably, the disc is provided with clamping grooves uniformly distributed along the circumference, and the angle between straight lines of adjacent clamping grooves is 60 degrees; the length and the width of the clamping groove are the same as those of the supporting plate, and the lower end of the supporting plate is inserted into the clamping groove.
Preferably, mounting panels are arranged at two ends of the upper groove of the supporting plate, mounting panels are arranged at two ends of the arc of the fixing plate, and bolt holes are formed in the corresponding positions of the lower mounting panel and the upper mounting panel.
The supporting plate and the fixing plate are connected together through the second fixing bolt and the bolt hole. When the angle of the elbow needs to be adjusted, the second fixing bolt is loosened, the elbow is adjusted to a proper position, and then the bolt is screwed down, so that the adjustment of the angle of the elbow is completed. The supporting plate and the lower mounting plate are integrally connected, and the fixing plate and the upper mounting plate are integrally connected.
Preferably, the machine of shifting includes the base, is equipped with the support on the base, the support is two risers that set up relatively, be equipped with first pivot between two risers, be connected with the workstation in the first pivot, first pivot level sets up. The rotary table is characterized in that a second rotating shaft is arranged on the working table and perpendicular to the surface of the working table, a disc is further connected to the tail end of the second rotating shaft, and the surface of the disc is parallel to the surface of the working table. The first rotating shaft is used for enabling the disc to turn around the first rotating shaft so as to realize bead-by-bead welding; the second rotating shaft is used for enabling the disc to rotate around the second rotating shaft, and single surfacing is achieved.
The embodiment of the utility model provides an one or several technical scheme have following effect at least:
the angle of the elbow can be adjusted by fixing the 90-degree elbow, the elbow rotates around the rotating shaft in the surfacing process, and the integral surfacing welding of the 90-degree elbow is completed by matching with a surfacing welding machine.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure of the elbow fixing device of the present invention;
fig. 2 is a schematic view of the front view structure of the elbow fixing device of the present invention;
FIG. 3 is a schematic top view of the elbow fixing device of the present invention;
Fig. 4 is a schematic view of the fixing member structure of the elbow fixing device of the present invention.
Reference numerals: 401-a base; 402-a stent; 403-a first shaft; 404-a workbench; 405-a second spindle; 406-a disc; 407-pallet; 408-a fixed plate; 409-a second fixing bolt; 410-an upper mounting plate; 411-lower mounting plate.
Detailed Description
example 1
as shown in fig. 1 to 3, an elbow fixing device for integral build-up welding of an inner wall of a 90-degree elbow according to an embodiment of the present invention includes a positioner and a fixing member, wherein the fixing member is mounted on a disc 406 of the positioner; the fixing member includes a supporting plate 407 and a fixing plate 408; the supporting plate 407 and the fixing plate 408 are mounted together by a second fixing bolt 409; the supporting plate 407 is perpendicular to the surface of the disc 406 and is connected to the disc 406, and a semicircular arc-shaped groove is formed in one side of the supporting plate 407, which is parallel to the disc 406; the fixing plate 408 is in a semicircular arc shape, and the supporting plate-fixing plate form a group to form a circular cavity for accommodating the elbow, and the diameter of the circular cavity is the same as that of the elbow pipe. The fixed plate 408 and the support plate 407 fix the elbow to the disk 406, and the circular section of the elbow pipe is perpendicular to the disk 406.
The fixing piece comprises three groups of supporting plates and fixing plates, and the three groups of supporting plates and the fixing plates jointly form a channel for accommodating the elbow. One end of the supporting plate-fixing plate points to the circle center, and the included angle between the straight lines of the adjacent groups of supporting plates-fixing plates is 60 degrees.
The positioner comprises a base 401, a support 402 is arranged on the base 401, the support 402 is two opposite vertical plates, a first rotating shaft 403 is arranged between the two vertical plates, a workbench 404 is connected to the first rotating shaft 403, and the first rotating shaft 403 is horizontally arranged. The workbench 404 is provided with a second rotating shaft 405, the second rotating shaft 405 is perpendicular to the surface of the workbench 404, the tail end of the second rotating shaft 405 is also connected with a disc 406, and the surface of the disc 406 is parallel to the surface of the workbench 404. The first rotating shaft 403 is used for turning the disc 406 around the first rotating shaft 403 to realize bead-by-bead welding; the second rotating shaft 405 is used for enabling the disc 406 to rotate around the second rotating shaft 405, and single bead welding is achieved.
Example 2
The utility model discloses an elbow fixing device for integral build-up welding of 90-degree elbow inner wall, which comprises a position changing machine and a fixing part, wherein the fixing part is arranged on a disc 406 of the position changing machine; the fixing member includes a supporting plate 407 and a fixing plate 408; the supporting plate 407 and the fixing plate 408 are mounted together by a second fixing bolt 409; the supporting plate 407 is perpendicular to the surface of the disc 406 and is connected to the disc 406, and a semicircular arc-shaped groove is formed in one side of the supporting plate 407, which is parallel to the disc 406; the fixing plate 408 is in a semicircular arc shape, and the supporting plate-fixing plate form a group to form a circular cavity for accommodating the elbow, and the diameter of the circular cavity is the same as that of the elbow pipe. The fixed plate 408 and the support plate 407 fix the elbow to the disk 406, and the circular section of the elbow pipe is perpendicular to the disk 406.
The fixing piece comprises three groups of supporting plates and fixing plates, and the three groups of supporting plates and the fixing plates jointly form a channel for accommodating the elbow. One end of the supporting plate-fixing plate points to the circle center, and the included angle between the straight lines of the adjacent groups of supporting plates-fixing plates is 60 degrees.
The disc 406 is provided with clamping grooves which are uniformly distributed along the circumference, and the angle between the straight lines of adjacent clamping grooves is 60 degrees; the length and width of the slot are the same as those of the support plate 407, and the lower end of the support plate 407 is inserted into the slot to connect the support plate 407 and the disk 406.
Mounting panel 411 is equipped with down at the recess both ends on the layer board 407, fixed plate 408 circular arc both ends are equipped with mounting panel 410, the relevant position of mounting panel 411 and last mounting panel 410 is equipped with the bolt hole down. The retainer plate 407 and the fixing plate 408 are coupled together by second fixing bolts 409 and bolt holes. When the angle of the elbow needs to be adjusted, the second fixing bolt 409 is loosened, the elbow is adjusted to a proper position, and then the bolt is screwed down, so that the adjustment of the angle of the elbow is completed. The supporting plate 407 is integrally connected with the lower mounting plate 411, and the fixing plate 408 is integrally connected with the upper mounting plate 410.
The positioner comprises a base 401, a support 402 is arranged on the base 401, the support 402 is two opposite vertical plates, a first rotating shaft 403 is arranged between the two vertical plates, a workbench 404 is connected to the first rotating shaft 403, and the first rotating shaft 403 is horizontally arranged. The workbench 404 is provided with a second rotating shaft 405, the second rotating shaft 405 is perpendicular to the surface of the workbench 404, the tail end of the second rotating shaft 405 is also connected with a disc 406, and the surface of the disc 406 is parallel to the surface of the workbench 404. The first rotating shaft 403 is used for turning the disc 406 around the first rotating shaft 403 to realize bead-by-bead welding; the second rotating shaft 405 is used for enabling the disc 406 to rotate around the second rotating shaft 405, and single bead welding is achieved.
Claims (6)
1. The elbow fixing device for the integral build-up welding of the inner wall of a 90-degree elbow is characterized by comprising a positioner and a fixing piece, wherein the fixing piece is arranged on a disc of the positioner; the fixing piece comprises a supporting plate and a fixing plate, and the supporting plate and the fixing plate are installed together through a second fixing bolt; the supporting plate is perpendicular to the surface of the disc and connected to the disc, and a semi-arc-shaped groove is formed in one side, parallel to the disc, of the supporting plate; the fixing plate is in a semicircular arc shape, the supporting plate and the fixing plate form a group to form a circular cavity for accommodating the elbow, and the diameter of the circular cavity is the same as that of the elbow circular tube.
2. The elbow fixing device for the integral surfacing welding of the inner wall of the 90-degree elbow according to claim 1, wherein the fixing piece comprises three groups of supporting plate-fixing plates, and the three groups of supporting plate-fixing plates jointly form a channel for accommodating the elbow.
3. The elbow fixing device for the integral surfacing welding of the inner wall of the 90-degree elbow according to claim 2, wherein one end of the supporting plate-fixing plate points to the circle center, and the included angle between the straight lines of the adjacent groups of the supporting plate-fixing plate is 60 degrees.
4. The elbow fixing device for the integral surfacing welding of the inner wall of the 90-degree elbow according to claim 2, wherein clamping grooves are uniformly distributed along the circumference of the disc, and the angle between the straight lines of the adjacent clamping grooves is 60 degrees; the length and the width of the clamping groove are the same as those of the supporting plate, and the lower end of the supporting plate is inserted into the clamping groove.
5. The elbow fixing device for 90-degree elbow inner wall integral surfacing according to claim 2, wherein the supporting plate is provided with lower mounting plates at two ends of the upper groove, the fixing plate is provided with upper mounting plates at two ends of the arc, and bolt holes are formed in the corresponding positions of the lower mounting plates and the upper mounting plates.
6. The elbow fixing device for the integral surfacing welding of the inner wall of the 90-degree elbow according to any one of claims 1 to 5, wherein the positioner comprises a base, a support is arranged on the base, the support is two vertical plates which are arranged oppositely, a first rotating shaft is arranged between the two vertical plates, the first rotating shaft is connected with a workbench, and the first rotating shaft is horizontally arranged; the rotary table is characterized in that a second rotating shaft is arranged on the working table and perpendicular to the surface of the working table, a disc is further connected to the tail end of the second rotating shaft, and the surface of the disc is parallel to the surface of the working table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920436424.0U CN209793003U (en) | 2019-04-01 | 2019-04-01 | Elbow fixing device for integral build-up welding of 90-degree elbow inner wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920436424.0U CN209793003U (en) | 2019-04-01 | 2019-04-01 | Elbow fixing device for integral build-up welding of 90-degree elbow inner wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209793003U true CN209793003U (en) | 2019-12-17 |
Family
ID=68827678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920436424.0U Active CN209793003U (en) | 2019-04-01 | 2019-04-01 | Elbow fixing device for integral build-up welding of 90-degree elbow inner wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209793003U (en) |
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2019
- 2019-04-01 CN CN201920436424.0U patent/CN209793003U/en active Active
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