CN210703369U - Sectional type steel pipe ring welding frock - Google Patents
Sectional type steel pipe ring welding frock Download PDFInfo
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- CN210703369U CN210703369U CN201921861070.0U CN201921861070U CN210703369U CN 210703369 U CN210703369 U CN 210703369U CN 201921861070 U CN201921861070 U CN 201921861070U CN 210703369 U CN210703369 U CN 210703369U
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Abstract
The utility model provides a sectional type steel pipe girth welding frock. Comprises a working platform, an end positioning device, a jacking device and a height adjusting device; the end positioning device and the abutting device are arranged on the working platform, a positioning plate of the end positioning device is attached to one end face of the workpiece, and the abutting device is attached to the other side faces of the abutting workpiece to realize positioning and fixing of the workpiece in the welding process; the height adjusting device is installed on the working platform, and the workpiece is placed at the top of the height adjusting device and used for adjusting the misalignment of the upper end face and the lower end face of the workpiece. The utility model discloses a marking off on work platform, including the positioning action of tip positioner and the tight device in top to the work piece, in addition the height of terminal surface about the high adjusting device adjusts the work piece, can make the work piece location reliable, the unfitness of butt joint of terminal surface about the reducible work piece improves the assembly precision of work piece, reduces the condition of reprocessing, is favorable to improving the precision of whole ring concatenation, reduces energy, equipment and artificial waste.
Description
Technical Field
The utility model relates to a pipeline manufacturing field, concretely relates to sectional type steel pipe ring welding frock.
Background
During pipeline construction, in order to meet use requirements, the size of a pipeline is gradually increased, and for solving the strength and construction problems of large-size pipelines, a sectional steel pipe ring is provided, the steel pipe ring is composed of a plurality of independent steel pipe blocks, each steel pipe block comprises parts such as an inner arc plate, an outer arc plate, a connecting plate and a circumferential rib plate, and each part needs to be connected through welding. The existing welding mode is that manual marking and lofting are carried out and then manual assembly is carried out, so that the welding processing of each steel pipe block is relatively large in arbitrariness, relatively poor in stability, unnecessary positioning and anti-deformation measures during welding are caused, welding stress is released randomly, welding deformation is serious, errors can occur during final ring assembly, the phenomena that the roundness of a whole ring is seriously out of tolerance, assembly gaps among the steel pipe blocks are large, the wrong edge amount is out of tolerance, the process requirements and the like are unqualified are caused, in order to meet design requirements, repair is often needed, the repair amount is large, the labor intensity of workers is large, and unnecessary waste is caused.
In conclusion, a sectional type steel pipe ring welding tool is urgently needed to solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sectional type steel pipe ring welding frock to solve jumbo size steel pipe piece welding problem.
In order to achieve the purpose, the utility model provides a sectional type steel pipe ring welding tool, which comprises a working platform, an end positioning device and a jacking device; the end positioning device and the jacking device are installed on the working platform, the positioning plate of the end positioning device is attached to one end face of the workpiece, and the jacking device is attached to other side faces of the jacking workpiece and used for positioning and fixing the workpiece in the welding process.
Preferably, the jacking device comprises an outer arc surface jacking device, an inner arc surface jacking device and an end surface jacking device; at least three outer arc surface jacking devices are tightly attached to and jacked against the outer arc surface of the workpiece; the inner arc surface jacking device is tightly attached to and jacked against the inner arc surface of the workpiece; and at least one end face jacking device is tightly jacked with the end face of the workpiece.
Preferably, the working platform is provided with positioning scale marks for assisting in realizing the positioning of the workpiece; and the working platform is provided with a positioning pin hole and a threaded hole for realizing the installation of the end positioning device and the jacking device.
Preferably, the end positioning device further comprises a base and a reinforcing rib plate; the positioning plate is vertically arranged on the base, the bottom of the reinforcing rib plate is connected with the base, and one side surface of the reinforcing rib is connected with the positioning plate to enhance the structural stability of the end positioning device; the base is provided with a positioning pin hole and a threaded hole and is used for being connected with the working platform.
Preferably, the outer arc surface jacking device comprises a limiting base frame, a jacking screw rod and a jacking block; at least three jacking screw rods are arranged on the limiting base frame along the height direction; the jacking block is arranged at the front end of the jacking screw rod and used for jacking the outer arc surface of the workpiece.
Preferably, the inner arc surface jacking device comprises a bottom plate, a vertical plate, a reinforcing plate and a lifting lug; at least three vertical plates are arranged along the arc length direction of the workpiece and are vertically arranged on the bottom plate; the reinforcing plate is horizontally arranged, and two end faces of the reinforcing plate are connected with the adjacent vertical plates so as to enhance the structural stability of the inner arc surface jacking device; the lifting lugs are symmetrically arranged at the top of the inner arc surface jacking device and used for realizing the hoisting and moving of the inner arc surface jacking device.
Preferably, the maximum outer diameter of the intrados jacking device is matched with the radius of the intrados of the workpiece.
Preferably, the end face jacking device comprises a jacking base frame, a compression screw and a compression screw sleeve; the pressing threaded sleeve is fixedly arranged on the tightly-pushing base frame; the compression screw is in threaded connection with the compression threaded sleeve and used for tightly supporting the end face of the workpiece.
Preferably, the segmented steel pipe ring welding tool further comprises a height adjusting device; the height adjusting device is installed on the working platform, and the workpiece is placed at the top of the height adjusting device and used for adjusting the misalignment of the upper end face and the lower end face of the workpiece.
Preferably, the height adjusting device comprises a mounting base and an adjusting block; the bottom of the mounting base is provided with a positioning pin hole and a threaded hole for mounting the height adjusting device on the working platform; the bottom of the adjusting block is provided with a screw rod, and the screw rod is in threaded connection with the mounting base and used for achieving height adjustment of the adjusting block.
Use the technical scheme of the utility model, following beneficial effect has:
(1) the utility model discloses in, through drawing a line on work platform, in addition tip positioner and the tight device in intrados top are to the positioning action of work piece to and the height of terminal surface about the high adjusting device adjusts the work piece, can make the work piece location reliable, the unfitness of butt joint of terminal surface about the reducible work piece simultaneously improves the assembly precision of work piece, reduces the condition of reprocessing, is favorable to improving the precision of whole ring concatenation, reduces energy, equipment and artificial waste.
(2) The utility model discloses in, through outer cambered surface and the terminal surface of the tight work piece in outer cambered surface top tight device and terminal surface top tight device top, fix the work piece, can play the effect of anti-deformation in the welding process simultaneously.
(3) The utility model discloses in, through setting up the lug to the tight device in the great intrados top of quality, can use engineering machine tool to hang to the tight device in intrados top, reduced artifical handling device's intensity of labour.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
FIG. 1 is a schematic view of a block type steel pipe ring welding tool used in cooperation with a workpiece;
FIG. 2 is a schematic view of the end positioning device;
FIG. 3 is a schematic structural view of an outer arc surface jacking device;
FIG. 4 is a schematic structural view of an intrados jacking device;
FIG. 5 is a schematic view of the structure of the end face tightening device;
FIG. 6 is a schematic view of the height adjustment mechanism;
fig. 7 is a partially enlarged view of a portion a in fig. 1.
Wherein, 1, work platform, 2, tip positioner, 2.1, the locating plate, 2.2, the base, 2.3, deep floor, 3, the tight device in top, 3.1, the tight device in extrados top, 3.1.1, spacing bed frame, 3.1.2, the tight screw rod in top, 3.1.3, the tight piece in top, 3.2, the tight device in intrados top, 3.2.1, the bottom plate, 3.2.2, the riser, 3.2.3, the reinforcing plate, 3.2.4, the lug, 3.3, the tight device in terminal surface top, 3.3.1, the tight bed frame in top, 3.3.2, the compression screw rod, 3.3.3, the compression barrel, 4, height adjusting device, 4.1, the installation base, 4.2, the regulating block, 5, the work piece.
Detailed Description
The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Referring to fig. 1 to 7, the embodiment of the invention relates to a sectional type steel pipe ring welding tool applied to sectional type steel pipe ring welding.
A sectional type steel pipe ring welding tool comprises a working platform 1, an end positioning device 2 and a jacking device 3; the end positioning device 2 and the tightening device 3 are mounted on the working platform 1, referring to fig. 1, a positioning plate 2.1 of the end positioning device 2 abuts against one side end face of the workpiece 5, and in the embodiment, the end positioning device 2 is arranged at the right side end face of the workpiece 5; the jacking device 3 is abutted against other side surfaces of the jacking workpiece 5 to realize the positioning and fixing of the workpiece 5 in the welding process and realize the anti-deformation function in the welding process.
Referring to fig. 1, the tightening device 3 comprises an outer arc surface tightening device 3.1, an inner arc surface tightening device 3.2 and an end surface tightening device 3.3; at least three external arc surface jacking devices 3.1 are tightly attached to and jacked against the external arc surface of the workpiece 5; the inner arc surface jacking device 3.2 is tightly attached to and jacked up the inner arc surface of the workpiece 5; at least one end face jacking device 3.3 is tightly jacked with the end face of the workpiece 5; in the embodiment, seven outer arc surface jacking devices 3.1 are arranged and uniformly distributed on one side of the outer arc surface of the workpiece 5 so as to uniformly support the outer arc surface of the workpiece 5; in this embodiment, two end face abutting devices 3.3 are disposed at one end of the workpiece 5, and are used for being matched with the end positioning device 2 to support two end faces of the workpiece 5.
The working platform 1 is provided with positioning scale marks which comprise inner and outer arc radius scale marks and end face scale marks of the workpiece 5 and are used for assisting in realizing the positioning of the workpiece 5 and reducing the welding error of the workpiece; and the working platform 1 is provided with a positioning pin hole and a threaded hole for mounting the end positioning device 2 and the jacking device 3.
Referring to fig. 2, the end positioning device 2 further includes a base 2.2 and a reinforcing rib plate 2.3; the positioning plate 2.1 is vertically arranged on the base 2.2, the bottom of the reinforcing rib plate 2.3 is connected with the base 2.2, one side surface of the reinforcing rib 2.3 is connected with the positioning plate 2.1, and the structural stability of the end positioning device 2 is enhanced; the base 2.2 is provided with a positioning pin hole and a threaded hole for connecting with the working platform 1.
Referring to fig. 3, the extrados surface jacking device 3.1 comprises a limiting base frame 3.1.1, a jacking screw rod 3.1.2 and a jacking block 3.1.3; at least three jacking screws 3.1.2 are arranged on the limiting base frame 3.1.1 along the height direction; the jacking block 3.1.3 is arranged at the front end of the jacking screw rod 3.1.2 and used for jacking the outer arc surface of the workpiece 5.
In the embodiment, an L-shaped jacking screw rod 3.1.2 installation groove is arranged on the limiting base frame 3.1.1, and when the jacking screw rod 3.1.2 is installed, a rectangular block in the middle of the jacking screw rod 3.1.2 is horizontally placed in a groove and then vertically placed in a clamping groove, so that the installation of the jacking screw rod 3.1.2 can be completed; when the jacking screw rod 3.1.2 is not needed, the screw rod can be taken out, so that the occupied space of the device is reduced.
Referring to fig. 4, the intrados jacking device 3.2 comprises a bottom plate 3.2.1, a vertical plate 3.2.2, a reinforcing plate 3.2.3 and a lifting lug 3.2.4; at least three vertical plates 3.2.2 are arranged along the arc length direction of the workpiece and are vertically arranged on the bottom plate 3.2.1; the reinforcing plate 3.2.3 is horizontally arranged, and two end faces of the reinforcing plate 3.2.3 are connected with the adjacent vertical plate 3.2.2 to enhance the structural stability of the inner arc surface jacking device 3.2; the lifting lugs 3.2.4 are symmetrically arranged at the top of the inner arc surface jacking device 3.2, so that the inner arc surface jacking device 3.2 can be hoisted and moved, and the labor intensity of workers is reduced.
Referring to fig. 1, the maximum outer diameter of the intrados jacking device 3.2 is matched with the radius of the intrados of the workpiece 5, so that the intrados jacking device 3.2 can be tightly attached to the intrados of the workpiece 5.
Referring to fig. 5, the end face tightening device 3.3 includes a tightening base frame 3.3.1, a compression screw 3.3.2 and a compression screw sleeve 3.3.3; the pressing threaded sleeve 3.3.3 is fixedly arranged on the tightly-pushing base frame 3.3.1; the compression screw 3.3.2 is in threaded connection with the compression screw sleeve 3.3.3, and the compression screw 3.3.2 is screwed in or out of the compression screw sleeve 3.3.3 to tightly push the left end face of the workpiece 5.
Referring to fig. 6 and 7, the sectional type steel pipe ring welding tool further comprises a height adjusting device 4; the height adjusting devices 4 are installed on the working platform 1, a plurality of height adjusting devices 4 are evenly arranged along the arc length direction of the workpiece 5, the workpiece 5 is stably supported, and the workpiece 5 is placed at the tops of the height adjusting devices 4 and used for adjusting the misalignment amount of the upper end face and the lower end face of the workpiece 5.
Referring to fig. 6, the height adjusting device 4 includes a mounting base 4.1 and an adjusting block 4.2; the installation base 4.1 bottom is equipped with locating pin hole and screw hole for install high adjusting device 4 on work platform 1, regulating block 4.2 bottom is equipped with the screw rod, and the screw rod is connected with installation base 4.1 threaded connection, adjusts the high altitude that is used for realizing the altitude mixture control to the outer arc board in 5 work pieces through rotatory regulating block 4.2, reduces the unfitness of butt joint of terminal surface about the outer arc board in 5 work pieces.
The work flow of the sectional type steel pipe ring welding tool is as follows: firstly, hoisting a workpiece 5 onto a height adjusting device 4, aligning a positioning plate 2.1 of an end positioning device 2 with scale marks on the inner arc end face and the outer arc end face of the workpiece 5 scribed on a working platform 1, and installing the end positioning device 2 by using a positioning pin and a bolt; then aligning the maximum outer diameter surface of the inner arc plate jacking device 3.2 with the inner arc radius scale mark of the workpiece 5 drawn on the working platform 1, and installing the inner arc plate jacking device 3.2 by using a positioning pin and a bolt; then, the workpiece 5 is hoisted to be adjusted, so that the end face of one end of the workpiece 5 is tightly attached to the positioning plate 2.1 of the end positioning device 2, and meanwhile, the inner arc plate of the workpiece 5 is tightly attached to the inner arc plate jacking device 3.2; then, the height adjusting device 4 is adjusted to enable the misalignment of the upper end surface and the lower end surface of the inner arc plate and the outer arc plate of the workpiece 5 to meet the requirement; and finally, installing an outer arc surface jacking device 3.1 and an end surface jacking device 3.3 through a positioning pin and a bolt, adjusting a jacking screw rod 3.1.2 of the outer arc surface jacking device 3.1 and a compression screw rod 3.3.2 of the end surface jacking device 3.3, and positioning and fixing the workpiece 5.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A sectional type steel pipe ring welding tool is characterized by comprising a working platform (1), an end positioning device (2) and a jacking device (3); the end positioning device (2) and the jacking device (3) are installed on the working platform (1), the positioning plate (2.1) of the end positioning device (2) is attached to one end face of a workpiece, and the jacking device (3) is attached to other side faces of the jacking workpiece, so that positioning and fixing in the welding process of the workpiece are realized.
2. The block type steel pipe ring welding tool according to claim 1, wherein the jacking device (3) comprises an outer arc surface jacking device (3.1), an inner arc surface jacking device (3.2) and an end surface jacking device (3.3); at least three external arc surface jacking devices (3.1) are tightly attached to and jacked against the external arc surface of the workpiece; the inner arc surface jacking device (3.2) is tightly attached to and jacked against the inner arc surface of the workpiece; at least one end face abutting device (3.3) abuts against the end face of the workpiece.
3. The sectional type steel pipe ring welding tool according to claim 1, wherein a positioning scale mark is arranged on the working platform (1) to assist in positioning a workpiece; and the working platform (1) is provided with a positioning pin hole and a threaded hole for mounting the end positioning device (2) and the jacking device (3).
4. The block type steel pipe ring welding tool according to claim 1, wherein the end positioning device (2) further comprises a base (2.2) and a reinforcing rib plate (2.3); the positioning plate (2.1) is vertically arranged on the base (2.2), the bottom of the reinforcing rib plate (2.3) is connected with the base (2.2), one side surface of the reinforcing rib plate (2.3) is connected with the positioning plate (2.1) so as to enhance the structural stability of the end positioning device (2); the base (2.2) is provided with a positioning pin hole and a threaded hole for connecting with the working platform (1).
5. The block type steel pipe ring welding tool according to claim 2, wherein the extrados face tightening device (3.1) comprises a limiting base frame (3.1.1), a tightening screw rod (3.1.2) and a tightening block (3.1.3); at least three jacking screws (3.1.2) are arranged on the limiting base frame (3.1.1) along the height direction; the jacking block (3.1.3) is arranged at the front end of the jacking screw rod (3.1.2) and used for jacking the outer cambered surface of the workpiece.
6. The block type steel pipe ring welding tool according to claim 2, wherein the intrados jacking device (3.2) comprises a bottom plate (3.2.1), a vertical plate (3.2.2), a reinforcing plate (3.2.3) and a lifting lug (3.2.4); at least three vertical plates (3.2.2) are arranged along the arc length direction of the workpiece and are vertically arranged on the bottom plate (3.2.1); the reinforcing plate (3.2.3) is horizontally arranged, and two end faces of the reinforcing plate are connected with the adjacent vertical plates (3.2.2) so as to enhance the structural stability of the inner arc surface jacking device (3.2); the lifting lugs (3.2.4) are symmetrically arranged at the top of the inner arc surface jacking device (3.2) and used for realizing the hoisting and moving of the inner arc surface jacking device (3.2).
7. The block type steel pipe ring welding tool according to claim 6, wherein the maximum outer diameter of the intrados jacking device (3.2) is matched with the radius of the intrados of the workpiece.
8. The sectional type steel pipe ring welding tool according to claim 2, wherein the end face jacking device (3.3) comprises a jacking base frame (3.3.1), a compression screw rod (3.3.2) and a compression screw sleeve (3.3.3); the pressing threaded sleeve (3.3.3) is fixedly arranged on the tightly-pushing base frame (3.3.1); the compression screw (3.3.2) is in threaded connection with the compression screw sleeve (3.3.3) to realize the tight jacking of the end face of the workpiece.
9. The block type steel pipe ring welding tool according to claim 1, further comprising a height adjusting device (4); the height adjusting device (4) is installed on the working platform (1), and the workpiece is placed at the top of the height adjusting device (4) and used for adjusting the misalignment of the upper end face and the lower end face of the workpiece.
10. The block type steel pipe ring welding tool according to claim 9, wherein the height adjusting device (4) comprises a mounting base (4.1) and an adjusting block (4.2); the bottom of the mounting base (4.1) is provided with a positioning pin hole and a threaded hole for mounting the height adjusting device (4) on the working platform (1); the bottom of the adjusting block (4.2) is provided with a screw rod, and the screw rod is in threaded connection with the mounting base (4.1) and used for realizing height adjustment of the adjusting block (4.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921861070.0U CN210703369U (en) | 2019-10-31 | 2019-10-31 | Sectional type steel pipe ring welding frock |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921861070.0U CN210703369U (en) | 2019-10-31 | 2019-10-31 | Sectional type steel pipe ring welding frock |
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| CN210703369U true CN210703369U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921861070.0U Active CN210703369U (en) | 2019-10-31 | 2019-10-31 | Sectional type steel pipe ring welding frock |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113125079A (en) * | 2021-04-09 | 2021-07-16 | 上海易流机电设备有限公司 | Semi-automatic air tightness detection equipment |
-
2019
- 2019-10-31 CN CN201921861070.0U patent/CN210703369U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113125079A (en) * | 2021-04-09 | 2021-07-16 | 上海易流机电设备有限公司 | Semi-automatic air tightness detection equipment |
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