CN214444196U - Efficient spot welding jig for steel pipe sheets - Google Patents
Efficient spot welding jig for steel pipe sheets Download PDFInfo
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- CN214444196U CN214444196U CN202120162359.4U CN202120162359U CN214444196U CN 214444196 U CN214444196 U CN 214444196U CN 202120162359 U CN202120162359 U CN 202120162359U CN 214444196 U CN214444196 U CN 214444196U
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- connecting plates
- spot welding
- steel pipe
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Abstract
The utility model relates to a high-efficient steel-pipe piece spot welding tool, contain base, two side connecting plates and two end connecting plates; the top of the base is provided with a plurality of arched supporting plates; the supporting plates are uniformly arranged at intervals along the width direction of the base, and the two supporting plates positioned on the outer side are respectively positioned on the two side edges of the top of the base; positioning strips are arranged on the same side of the tops of the supporting plates; each positioning strip is provided with a plurality of positioning grooves which are uniformly arranged at intervals along the length direction of the base; the two side connecting plates are both arched and are respectively arranged on two sides of the top of the base; the two end connecting plates are respectively arranged at two ends of the top of the base, are radially arranged along the axis of the supporting plate and are respectively connected with two ends of the supporting plates; the utility model discloses not only improve the tailor-welding efficiency of steel-pipe piece greatly, and guaranteed the shape and the position precision of steel-pipe piece to have advantages such as simple structure, convenient operation, low in manufacturing cost.
Description
Technical Field
The utility model relates to a tunnel technical field refers in particular to a high-efficient steel-pipe piece spot welding tool.
Background
When a large-diameter tunnel is excavated in a project, due to geological conditions and the requirement on the reliability of the tunnel, a steel pipe sheet is adopted for full-end-face supporting; as shown in fig. 1 to 3, the steel pipe sheet 1 includes a frame body; the frame body consists of two side plates 11 and two end plates 12; a cover plate 13 is arranged at the upper end of the frame body 1; a plurality of transverse partition plates 16 and longitudinal partition plates 15 are arranged in the frame body 1; the cross sections of the transverse partition plate 16 and the longitudinal partition plate 15 are inverted T-shaped; at present, a manual tailor-welding method is mostly adopted in the production process of steel pipe sheets, and the method is time-consuming and labor-consuming, low in working efficiency and insufficient in positioning accuracy of transverse partition plates and longitudinal partition plates; although a tailor-welding tool is available in the market, such as a tailor-welding method for large-diameter steel pipe pieces disclosed in the prior art 202010953513.X, although the welding difficulty can be reduced and the quality of a weld joint can be improved, the structure is complex and the operation is complicated, the manufacturing cost of the tailor-welding tool is increased, and the tailor-welding efficiency of the steel pipe pieces is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art and providing a high-efficient steel-pipe piece spot welding tool.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a high-efficiency spot welding jig for steel pipe sheets comprises a base, two side connecting plates and two end connecting plates; the top of the base is provided with a plurality of arched supporting plates; the supporting plates are uniformly arranged at intervals along the width direction of the base, and the two supporting plates positioned on the outer side are respectively positioned on the two side edges of the top of the base; positioning strips are arranged on the same side of the tops of the supporting plates; each positioning strip is provided with a plurality of positioning grooves which are uniformly arranged at intervals along the length direction of the base; the two side connecting plates are both arched and are respectively arranged on two sides of the top of the base; the two end connecting plates are respectively arranged at two ends of the top of the base, are radially placed along the axis of the supporting plate and are respectively connected with two ends of the plurality of supporting plates.
Preferably, a plurality of first connecting holes which are uniformly arranged at intervals along the length direction of the base are formed in the two side connecting plates; and a plurality of second connecting holes which are uniformly arranged along the width direction of the base at intervals are formed in the two end connecting plates.
Preferably, the outer side surfaces of the two side connecting plates and the outer side surfaces of the two end connecting plates are provided with reinforcing ribs which are arranged in a criss-cross mode.
Preferably, the two side connecting plates are hinged with the two sides of the base through hinge assemblies.
Preferably, the top parts of the two end connecting plates are provided with limiting strips arranged along the width direction of the base; the limiting strip is arranged on the inner side edge of the top of the connecting plate.
Preferably, the support plate has a T-shaped cross-section.
Preferably, all be provided with the reinforcing plate that the even interval of polylith was placed along base length direction on the base between adjacent backup pad.
Preferably, a plurality of said stiffening plates are radially disposed along the axis of the support plate.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
the utility model discloses a two side connecting plates and two end connecting plates can fix a position the framework of steel-pipe piece, can fix a position longitudinal baffle through the location strip, can fix a position transverse baffle through the constant head tank, have not only improved the tailor-welding efficiency of steel-pipe piece greatly, and have guaranteed the shape and the position precision of steel-pipe piece to compare with current concatenation frock, have advantages such as simple structure, convenient operation, low in manufacturing cost.
Drawings
The technical scheme of the utility model is further explained by combining the attached drawings as follows:
FIG. 1 is a schematic structural diagram of a steel pipe sheet;
FIG. 2 is a schematic structural diagram of a steel pipe sheet with a cover plate removed;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
fig. 4 is a schematic structural view of the high-efficiency spot welding jig for steel pipes of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4 at B;
FIG. 6 is a schematic structural view of the utility model after the installation of the frame body and the transverse and longitudinal partition plates;
FIG. 7 is an enlarged view of a portion of FIG. 6 at C;
figure 8 is the structure schematic diagram of the steel pipe sheet after the splicing welding of the utility model.
Wherein: 1. steel pipe sheets; 11. a side plate; 12. an end plate; 13. a cover plate; 14. a through hole; 15. a longitudinal partition; 16. a transverse partition; 2. spot welding jigs; 21. a base; 22. a side connection plate; 221. a first connection hole; 23. an end connection plate; 231. a limiting strip; 24. a support plate; 25. a positioning bar; 251. positioning a groove; 26. reinforcing ribs; 27. A hinge assembly; 28. a reinforcing plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 4-8 show a high-efficiency spot welding jig for steel pipes according to the present invention, which comprises a base 21, two side connection plates 22 and two end connection plates 23; a plurality of arched support plates 24 are arranged at the top of the base 21; the supporting plates 24 are uniformly arranged at intervals along the width direction of the base 21, and the two supporting plates 24 positioned at the outer side are respectively positioned at the two side edges of the top of the base 21; the same side of the tops of the supporting plates 24 is provided with a positioning strip 25; each positioning strip 25 is provided with a plurality of positioning grooves 251 which are uniformly arranged at intervals along the length direction of the base 21; the two side connecting plates 22 are both arched and are respectively arranged on two sides of the top of the base 21; the two end connecting plates 23 are respectively arranged at two ends of the top of the base 21, are radially arranged along the axis of the supporting plate 24, and are respectively connected with two ends of the supporting plates 24; when in work: firstly, placing two end plates 12 of a frame body on a support plate 24, and respectively attaching the two end plates to two end connecting plates 23; then, the two side plates 11 of the frame body are respectively arranged on the two support plates 24 positioned at the outer sides and are respectively attached to the two side connecting plates 22, and the two ends of the side plates 11 are respectively attached to the two end plates 12, so that the frame body of the steel pipe sheet 1 is formed; then, a plurality of longitudinal partition plates 15 are respectively arranged on the rest support plates 24, one side of each longitudinal partition plate is tightly attached to the positioning strip 25, and two ends of each longitudinal partition plate are respectively attached to the two end plates 12, so that the longitudinal partition plates 15 are positioned, and the cross sections of the longitudinal partition plates 15 are inverted T-shaped, so that the longitudinal partition plates 15 cannot be laterally inverted; then, a plurality of transverse partition plates 16 are placed between the adjacent longitudinal partition plates 15, and the bottoms of the transverse partition plates 16 are inserted into the positioning grooves 251, so that the transverse partition plates 16 are positioned, and the transverse partition plates 16 are not laterally inverted due to the inverted T-shaped cross section; then spot welding is carried out through spot welding equipment, so that the frame body, the transverse partition plates 16 and the longitudinal partition plates 15 are fixed; then, covering the cover plate 13, and performing spot welding through spot welding equipment to finally form the steel pipe sheet 1; high-efficient steel-pipe piece spot welding tool 2 not only improved steel-pipe piece 1's tailor-welding efficiency greatly, and guaranteed steel-pipe piece 1's shape and position precision to compare with current concatenation frock, have simple structure, convenient operation, low in manufacturing cost's advantage.
Furthermore, a plurality of first connecting holes 221 which are uniformly arranged along the length direction of the base 21 at intervals are formed in each of the two side connecting plates 22; the two end connecting plates 23 are respectively provided with a plurality of second connecting holes which are uniformly arranged at intervals along the width direction of the base 21; after the two end plates 12 of the frame body are respectively attached to the two end connecting plates 23, the end plates 12 can be firmly fixed on the end connecting plates 23 by the bolt assemblies penetrating through the second connecting holes and the through holes 14 on the end plates 12; similarly, after two blocks of curb plates 11 of framework laminate with two side connecting plates 22 respectively, accessible bolt assembly passes through-hole 14 on first connecting hole 221 and the curb plate 11, firmly fixes the orifice plate on the hole connecting plate, can not only avoid end plate 12 and curb plate 11 to take place the condition such as the side falls, and can further guarantee the shape precision of steel-pipe piece 1.
Furthermore, the outer side surfaces of the two side connecting plates 22 and the two end connecting plates 23 are provided with reinforcing ribs 26 which are arranged in a criss-cross manner, so that the supporting and reinforcing effects are achieved.
Furthermore, the two side connecting plates 22 are hinged with two sides of the base 21 through hinge assemblies 27; after the steel pipe sheet 1 is spliced and welded, the two side connecting plates 22 can be turned outwards, so that the steel pipe sheet 1 can be taken out conveniently.
Furthermore, the top of the two end connecting plates 23 is provided with a limiting strip 231 arranged along the width direction of the base 21; the limiting strip 231 is arranged at the inner side edge of the top of the connecting plate; because still need carry out spot welding after covering apron 13 and fix, so the up end of two side connecting plates 22 and two end connecting plates 23 is slightly less than the up end of two blocks of curb plates 11 and two end plates 12, but steel-pipe sheet 1 is the arch, and it is easy to slide toward both ends after covering apron 13, through increasing spacing 231, can effectively fix a position apron 13, further improves work efficiency.
Further, the cross section of the support plate 24 is T-shaped, so that the bearing capacity can be improved.
Furthermore, a plurality of reinforcing plates 28 which are uniformly arranged at intervals along the length direction of the base 21 are arranged between the adjacent supporting plates 24 on the base 21; the reinforcing plate 28 is added to play a role in reinforcing and preventing the supporting plate 24 from deforming, so that the position accuracy of the plurality of transverse partition plates 16 and the plurality of longitudinal partition plates 15 in the steel pipe sheet 1 is improved.
Further, a plurality of said reinforcing plates 28 are radially placed along the axis of the supporting plate 24; because the steel pipe sheet 1 is arched, the stress is better.
The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides a high-efficient steel-pipe piece spot welding tool which characterized in that: comprises a base, two side connecting plates and two end connecting plates; the top of the base is provided with a plurality of arched supporting plates; the supporting plates are uniformly arranged at intervals along the width direction of the base, and the two supporting plates positioned on the outer side are respectively positioned on the two side edges of the top of the base; positioning strips are arranged on the same side of the tops of the supporting plates; each positioning strip is provided with a plurality of positioning grooves which are uniformly arranged at intervals along the length direction of the base; the two side connecting plates are both arched and are respectively arranged on two sides of the top of the base; the two end connecting plates are respectively arranged at two ends of the top of the base, are radially placed along the axis of the supporting plate and are respectively connected with two ends of the plurality of supporting plates.
2. The efficient spot welding jig for the steel pipe sheets according to claim 1, wherein: a plurality of first connecting holes which are uniformly arranged at intervals along the length direction of the base are formed in the two side connecting plates; and a plurality of second connecting holes which are uniformly arranged along the width direction of the base at intervals are formed in the two end connecting plates.
3. The efficient spot welding jig for the steel pipe sheets according to claim 2, wherein: and reinforcing ribs which are arranged in a criss-cross mode are arranged on the outer side surfaces of the two side connecting plates and the two end connecting plates.
4. The efficient spot welding jig for the steel pipe sheets according to claim 3, wherein: and the two side connecting plates are hinged with the two sides of the base through hinge assemblies.
5. The efficient spot welding jig for the steel pipe sheets according to claim 4, wherein: the tops of the two end connecting plates are provided with limiting strips arranged along the width direction of the base; the limiting strip is arranged on the inner side edge of the top of the connecting plate.
6. The high-efficiency spot welding jig for steel pipes according to any one of claims 1 to 5, comprising: the cross section of the supporting plate is T-shaped.
7. The efficient spot welding jig for the steel pipe sheets according to claim 6, wherein: all be provided with the reinforcing plate that the polylith was placed along base length direction evenly spaced on the base between adjacent backup pad.
8. The efficient spot welding jig for the steel pipe sheets according to claim 7, wherein: the reinforcing plates are radially arranged along the axis of the supporting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120162359.4U CN214444196U (en) | 2021-01-21 | 2021-01-21 | Efficient spot welding jig for steel pipe sheets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120162359.4U CN214444196U (en) | 2021-01-21 | 2021-01-21 | Efficient spot welding jig for steel pipe sheets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214444196U true CN214444196U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120162359.4U Active CN214444196U (en) | 2021-01-21 | 2021-01-21 | Efficient spot welding jig for steel pipe sheets |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214444196U (en) |
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2021
- 2021-01-21 CN CN202120162359.4U patent/CN214444196U/en active Active
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