Tunnel reinforcing mesh positioning welding frame

Abstract

The utility model belongs to the technical field of tunnel reinforcing steel bar welding, and discloses a tunnel reinforcing steel bar mesh positioning welding frame which comprises vertical reinforcing steel bars, and splicing assemblies are further arranged on the outer sides of the vertical reinforcing steel bars. The splicing assembly comprises transverse steel bars arranged on the outer sides of the vertical steel bars in a sliding mode, the left ends of the transverse steel bars are fixedly provided with inserting blocks, the inserting blocks are connected with the transverse steel bars located on the left side in an inserted mode, and the outer sides of the vertical steel bars are sleeved with fixing rings. A welding frame of a multi-channel structure can be formed, a small positioning welding frame is manufactured by welding reinforcing steel bars according to the distance between holes of a reinforcing steel bar mesh and the size of the reinforcing steel bar mesh, a reinforcing steel bar mesh raw material is laid on the positioning welding frame after being blanked, and after laying is completed and positioning is accurate, mesh reinforcing steel bar spot welding is conducted in sequence, and reinforcing steel bar mesh machining is completed. And the construction efficiency is improved while accurate positioning of the distance between holes of the reinforcing mesh is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel steel bar welding, in particular to a tunnel steel bar mesh positioning welding frame. Background Art

[0002] The welding frame is an auxiliary tool used in welding. When welding, the welding frame can be used to speed up the welding progress. Tunnel construction requires the use of steel mesh. After the reinforcement construction is completed, the strength of the tunnel structure is improved. Generally, staff are required to perform manual welding on site.

[0003] At the same time, a tunnel steel mesh welding bracket with application number CN201920356019.8 "comprises symmetrically arranged triangular brackets and quadrilateral brackets, the quadrilateral brackets are welded and fixed together with the triangular brackets, a group of supporting ribs are welded between the tops of the quadrilateral brackets on both sides, a bottom plate is welded on the supporting ribs, a group of transverse ribs are welded on the oblique sides of the triangular brackets on both sides close to the quadrilateral brackets, a group of vertical ribs perpendicular to the transverse ribs are welded on the transverse ribs, and a group of oblique ribs parallel to the bottom plate are welded on each vertical rib";

[0004] During the use of existing tunnel steel mesh welding brackets, during on-site construction, the steel mesh is generally produced horizontally on site, which makes quality control difficult and has low efficiency. The special steel mesh welding machine has high investment costs and occupies a large area, which is not conducive to project cost control.

[0005] Therefore, in view of the above problems, a tunnel steel mesh positioning welding frame is proposed. Utility Model Content

[0006] In order to solve the problems raised in the above background technology, the utility model provides a tunnel steel mesh positioning welding frame, which has the advantages of providing a steel mesh welding bracket, providing stable support, and welding multiple groups of steel meshes at the same time.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tunnel steel mesh positioning welding frame, comprising vertical steel bars, the outer side of the vertical steel bars also includes a splicing component;

[0008] The splicing assembly includes a transverse steel bar slidably arranged on the outside of the vertical steel bar, an insert block is fixedly arranged on the left end of the transverse steel bar, and the insert block is plugged with the transverse steel bar located on the left side, a fixing ring is sleeved on the outside of the vertical steel bar, a welding column is fixedly arranged on the outside of the fixing ring, and the welding column is plugged with the transverse steel bar, and the bottom end of the vertical steel bar also includes a bottom plate assembly;

[0009] The bottom plate assembly includes a base fixedly arranged at the bottom end of the vertical steel bar.

[0010] Preferably, a guide frame is fixedly provided on the outer side of the insert block, and the guide frame is plugged into the transverse steel bar.

[0011] Preferably, a positioning hole is opened inside the guide frame, a bolt is spirally arranged inside the positioning hole, the bolt passes through the transverse steel bar, and the bolt and the transverse steel bar are rotatably arranged.

[0012] Preferably, a rear frame is fixedly provided on the left side of the bottom end of the base, a pulley is rotatably provided inside the rear frame, and a bracket is fixedly provided on the right side of the bottom end of the base.

[0013] Preferably, a rotating shaft is fixedly provided at the front end of the base, a long rod is rotatably provided on the outer side of the rotating shaft, and a fixing buckle is fixedly provided at the front side of the bottom end of the base.

[0014] Preferably, a diagonal rod is fixedly provided on the left side of the long rod, and the fixing buckle is arranged in an L shape.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] 1. The utility model can form a multi-channel structure welding frame through the vertical steel bars and the transverse steel bars in the splicing assembly. The spliced ​​vertical steel bars and transverse steel bar structure can form a welding frame with a multi-channel structure. The steel bars are used to weld and manufacture a small positioning welding frame according to the steel mesh hole spacing and the steel mesh size. After the steel mesh raw materials are cut, they are laid on the positioning welding frame. After the laying is completed and the positioning is accurate, the mesh steel bars are spot welded in turn to complete the steel mesh processing, thereby ensuring the accurate positioning of the steel mesh hole spacing and accelerating the construction efficiency.

[0017] 2. The utility model uses the bottom plate assembly and the long rod structure. When unloading, the inclined rod can be directly stepped on, and the fixing buckle on the base in the bottom plate assembly can be driven by the long rod, thereby controlling the deflection of the base and the vertical and horizontal steel bars, and taking out the internally formed steel mesh, which is more convenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the enlarged structure of the vertical reinforcement of the utility model;

[0020] Figure 3 For this utility model Figure 2 A schematic diagram of the structure at A;

[0021] Figure 4 This is a schematic diagram of the installation structure of the fixing ring of the utility model;

[0022] Figure 5 It is a schematic diagram of the installation structure of the rear frame of the utility model.

[0023] In the figure: 1, splicing assembly; 11, transverse reinforcement; 12, insert; 13, guide frame; 14, positioning hole; 15, bolt;

[0024] 2. Vertical reinforcement; 3. Fixing ring; 4. Welded column;

[0025] 5. Bottom plate assembly; 51. Base; 52. Rear frame; 53. Pulley; 54. Bracket;

[0026] 6. Rotating shaft; 7. Long rod; 8. Diagonal rod; 9. Fixed buckle. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0028] Example. Figures 1 to 5 As shown, the utility model provides a tunnel steel mesh positioning welding frame, including vertical steel bars 2, and the outer side of the vertical steel bars 2 also includes a splicing component 1;

[0029] The splicing assembly 1 includes a transverse steel bar 11 slidably arranged on the outside of the vertical steel bar 2, an insert block 12 is fixedly arranged at the left end of the transverse steel bar 11, and the insert block 12 is plugged with the transverse steel bar 11 located on the left side. The transverse steel bar 11 can be quickly spliced ​​by the insert block 12 to be assembled to form a longer welding frame, a fixing ring 3 is sleeved on the outside of the vertical steel bar 2, a welding column 4 is fixedly arranged on the outside of the fixing ring 3, and the welding column 4 is plugged with the transverse steel bar 11, and the bottom end of the vertical steel bar 2 also includes a bottom plate assembly 5;

[0030] The bottom plate assembly 5 includes a base 51 fixedly arranged at the bottom end of the vertical steel bar 2. The vertical steel bar 2 is more convenient to position the transverse steel bar 11 through the outer welding column 4, and at the same time, it is also directly welded through the welding column 4.

[0031] Specifically, a guide frame 13 is fixedly provided on the outer side of the insert block 12 , and the guide frame 13 is plugged into the transverse steel bars 11 . The guide frame 13 can keep the welding of the transverse steel bars 11 at both ends more stable.

[0032] Furthermore, a positioning hole 14 is opened inside the guide frame 13, and a bolt 15 is spirally arranged inside the positioning hole 14. The bolt 15 passes through the transverse steel bar 11, and the bolt 15 and the transverse steel bar 11 are rotatably arranged. The bolt 15 is used to quickly position the guide frame 13 and the insert block 12.

[0033] Furthermore, a rear frame 52 is fixedly provided on the left side of the bottom end of the base 51 , a pulley 53 is rotatably provided inside the rear frame 52 , and a bracket 54 is fixedly provided on the right side of the bottom end of the base 51 , and the base 51 can be supported by the rear frame 52 and the bracket 54 .

[0034] It is worth mentioning that a rotating shaft 6 is fixedly provided at the front end of the base 51, a long rod 7 is rotatably provided on the outer side of the rotating shaft 6, a fixing buckle 9 is fixedly provided on the front side of the bottom end of the base 51, and the long rod 7 rotates to control the fixing buckle 9 to lift, thereby controlling the base 51 to rotate.

[0035] It is worth noting that an inclined rod 8 is fixedly provided on the left side of the long rod 7, and the inclined rod 8 is convenient for controlling the rotation of the long rod 7. The fixing buckle 9 is arranged in an L shape, and the L-shaped structure makes the positioning more stable.

[0036] Among them, steel bars are existing technology and will not be described in detail; at the same time, the utility model also includes a power supply, a controller and a switch, which are not the main technical points of this patent and will not be described in detail.

[0037] Working principle and process:

[0038] The staff plugs the multiple transverse steel bars 11 in the splicing assembly 1 together through the plug block 12 and the guide frame 13 to form a longer transverse steel bar 11, inserts the bolt 15 into the inside of the guide frame 13, assembles and fixes the two transverse steel bars 11, inserts the welding column 4 outside the fixing ring 3 outside the vertical steel bar 2 into the through hole of the transverse steel bar 11, and performs preliminary positioning, and uses a welding gun to weld the welding column 4 outside the fixing ring 3 to the inside of the transverse steel bar 11, so as to form a cross splicing assembly, repeats the above operation, assembles the transverse steel bar 11 and the vertical steel bar 2 into a welded frame structure, and the staff uses sixteen steel bars to weld and make a steel mesh positioning welding frame according to the spacing of the steel mesh holes. The positioning welding frame is provided with longitudinal and transverse horizontal steel bars and vertical frame steel bars according to the spacing of the steel mesh holes to be processed, and the steel bars are spot welded firmly to avoid deformation. After the steel mesh raw materials are uniformly cut and cut, the steel mesh is longitudinally and transversely placed into the transverse steel bars 11 and the vertical steel bars 2, and laid on the processed steel mesh positioning welding frame;

[0039] The L-shaped steel plates on the sides and bottom are used to align the steel bars. After the steel bars are installed, knock the steel bars from the other end against the steel plates to ensure that the upper and lower steel bar ends are fully aligned.

[0040] Manually use a small welding machine to spot weld the mesh reinforcement intersections in sequence to complete the mesh reinforcement processing;

[0041] After each batch of mesh steel bars is processed, they are uniformly removed from the positioning welding frame, stacked together, and the next batch of mesh processing is continued. Each batch can process 20 steel meshes, which greatly improves the welding progress. After welding is completed, the inclined rod 8 can be stepped on to rotate and lift the long rod 7 on the outside of the rotating shaft 6 on the outside of the base 51, and the fixing buckle 9 is controlled to drive the base 51 to deflect, and the transverse steel bars 11 and the vertical steel bars 2 are deflected to an inclined state, so that the internal steel mesh can be taken out.

[0042] The above is only a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes according to the technical solution and concept of the present application within the technical scope disclosed in the present application, which should be covered by the protection scope of the present application.

Claims

1. A tunnel steel mesh positioning welding frame, comprising vertical steel bars (2), characterized in that: The outer side of the vertical steel bar (2) further includes a splicing assembly (1); the splicing assembly (1) includes a transverse steel bar (11) slidably arranged on the outer side of the vertical steel bar (2); an insert block (12) is fixedly arranged at the left end of the transverse steel bar (11); the insert block (12) is plugged into the transverse steel bar (11) located on the left side; a fixing ring (3) is sleeved on the outer side of the vertical steel bar (2); a welding column (4) is fixedly arranged on the outer side of the fixing ring (3); the welding column (4) is plugged into the transverse steel bar (11); the bottom end of the vertical steel bar (2) further includes a bottom plate assembly (5); the bottom plate assembly (5) includes a base (51) fixedly arranged at the bottom end of the vertical steel bar (2).

2. A tunnel steel mesh positioning welding frame according to claim 1, characterized in that: A guide frame (13) is fixedly arranged on the outer side of the insert block (12), and the guide frame (13) is plugged into the transverse steel bar (11).

3. A tunnel steel mesh positioning welding frame according to claim 2, characterized in that: A positioning hole (14) is provided inside the guide frame (13), a bolt (15) is spirally arranged inside the positioning hole (14), the bolt (15) penetrates the transverse steel bar (11), and the bolt (15) and the transverse steel bar (11) are rotatably arranged.

4. A tunnel steel mesh positioning welding frame according to claim 1, characterized in that: A rear frame (52) is fixedly disposed on the left side of the bottom end of the base (51), a pulley (53) is rotatably disposed inside the rear frame (52), and a bracket (54) is fixedly disposed on the right side of the bottom end of the base (51).

5. The tunnel steel mesh positioning welding frame according to claim 1, characterized in that: A rotating shaft (6) is fixedly provided at the front end of the base (51), a long rod (7) is rotatably provided outside the rotating shaft (6), and a fixing buckle (9) is fixedly provided at the front side of the bottom end of the base (51).

6. A tunnel steel mesh positioning welding frame according to claim 5, characterized in that: An oblique rod (8) is fixedly arranged on the left side of the long rod (7), and the fixing buckle (9) is arranged in an L shape.

Images