Steel bar positioning structure for building construction

Abstract

A reinforcing steel bar positioning structure for building construction effectively solves the positioning problem of vertically crossed reinforcing steel bars. Comprising a base, a support is arranged on the base, a fixing frame is arranged at the top of the support, a first moving frame and a second moving frame are arranged on the support in a sliding mode, a first lead screw and a second lead screw are vertically and rotatably arranged on the base, the pitch ratio of the first lead screw to the second lead screw is 1: 2, and the first lead screw is in threaded connection with the first moving frame. The second lead screw is in threaded connection with the second moving frame, mounting holes are formed in the outer sides of the fixed frame, the first moving frame and the second moving frame, limiting pieces are detachably connected in the mounting holes, and the limiting pieces can be in a horizontal state and a vertical state in the mounting holes; the steel reinforcement cage welding device is simple and ingenious in structure and convenient to use, a plurality of movable frames are arranged, a plurality of steel reinforcements can be positioned in the parallel or perpendicular crossing direction at the same time, and therefore steel reinforcement cage welding with different requirements is completed.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a steel bar positioning structure for building construction. Background Art

[0002] In construction, steel cages are often used for support and then poured. When welding, the steel cages often need to position and support the steel bars so that they can be welded at designated positions. In the prior art, a steel bar positioning structure is generally used to assist. In the utility model patent with patent number 202322161944.4, a steel bar positioning structure is disclosed. By setting a fixed frame and a movable frame, two steel bars can be positioned at the same time to achieve the positioning of two parallel steel bars, thereby completing the welding. However, in actual use, when welding steel bars, there are not only parallel steel bars, but more often steel bars that are perpendicular to each other are welded. The positioning structure cannot meet the use requirements. Utility Model Content

[0003] In order to overcome the defects of the prior art, the utility model provides a steel bar positioning structure for construction, which effectively solves the positioning problem of vertically intersecting steel bars.

[0004] The technical solution to the technical problem is: a steel bar positioning structure for construction, including a base, a bracket is provided on the base, a fixed frame is provided on the top of the bracket, a first movable frame and a second movable frame are slidably provided on the bracket, a first screw and a second screw are vertically rotatably provided on the base, the pitch ratio of the first screw and the second screw is 1:2, the first screw is threadedly connected to the first movable frame, the second screw is threadedly connected to the second movable frame, mounting holes are provided on the outer sides of the fixed frame, the first movable frame and the second movable frame, a detachable connection limit member is provided in the mounting hole, and the limit member can have two states, horizontal and vertical, in the mounting hole.

[0005] Preferably, a worm is rotatably arranged on the top of the bracket, a first worm wheel meshing with the worm is arranged on the upper end of the first lead screw, and a second worm wheel meshing with the worm is arranged on the upper end of the second lead screw.

[0006] Preferably, the first worm gear is identical to the second worm gear.

[0007] Preferably, a hand wheel is provided at the end of the worm.

[0008] Preferably, the bracket is provided with a slide groove, and the first movable frame and the second movable frame slide in the slide groove.

[0009] Preferably, the mounting holes are four countersunk holes symmetrically arranged, two latches are provided on the back side of the limiting member, a fixed sleeve is provided at the front end of the limiting member, a movable sleeve is hinged at the end of the fixed sleeve, and the fixed sleeve and the movable sleeve form a complete annular structure.

[0010] Preferably, a screw is provided above the movable sleeve.

[0011] Preferably, a limiting rod is provided above the movable sleeve, a limiting hole is provided on the limiting member, and the limiting rod is inserted into the limiting hole to fix the position of the movable sleeve.

[0012] The utility model has a simple and ingenious structure and is easy to use. A plurality of movable frames are arranged, and a plurality of steel bars can be positioned in parallel or perpendicular to each other at the same time, thereby completing the welding of steel cages with different requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model.

[0014] Figure 2 It is a structural schematic diagram of the limiting member in the utility model.

[0015] Figure 3 This utility model Figure 1 Enlarged structural diagram at A in the middle. DETAILED DESCRIPTION

[0016] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.

[0017] Depend on Figures 1 to 3 It can be seen that a steel bar positioning structure for construction includes a base 1, a bracket 2 is provided on the base 1, a fixed frame 3 is provided on the top of the bracket 2, a first movable frame 4 and a second movable frame 5 are slidably provided on the bracket 2, a first screw 6 and a second screw 7 are vertically rotatably provided on the base 1, the pitch ratio of the first screw 6 and the second screw 7 is 1:2, the first screw 6 is threadedly connected to the first movable frame 4, the second screw 7 is threadedly connected to the second movable frame 5, and mounting holes 8 are opened on the outer sides of the fixed frame 3, the first movable frame 4 and the second movable frame 5, and a detachable limit member 9 is provided in the mounting hole 8, and the limit member 9 can have two states, horizontal and vertical, in the mounting hole 8.

[0018] When the utility model is used in a specific way,

[0019] According to the situation of the steel cage, adjust the direction of the limiter 9, place the steel bar on the limiter 9 for fixing, and then adjust the relative position of the steel bar. After the adjustment, it is convenient to carry out welding construction.

[0020] Since the pitch ratio of the first lead screw 6 and the second lead screw 7 is 1:2, when the first lead screw 6 and the second lead screw 7 rotate synchronously, the moving distance of the first movable frame 4 is half of the second movable frame 5, and the second movable frame 5 is always in the middle position between the fixed frame 3 and the first movable frame 4, ensuring that the first movable frame 4 and the second movable frame 5 will not interfere with each other.

[0021] The limiting member 9 is outside the fixed frame 3, the first movable frame 4 and the second movable frame 5, and can have two installation states: horizontal and vertical, so as to realize horizontal and vertical positioning of the steel bars.

[0022] A worm 10 is rotatably provided at the top of the bracket 2, a first worm wheel 11 meshing with the worm 10 is provided at the upper end of the first lead screw 6, a second worm wheel 12 meshing with the worm 10 is provided at the upper end of the second lead screw 7, the first worm wheel 11 is exactly the same as the second worm wheel 12, a hand wheel 13 is provided at the end of the worm 10, and the hand wheel 13 is turned to drive the worm 10 to rotate, and the worm 10 drives the first lead screw 6 and the second lead screw 7 to rotate synchronously through the first worm wheel 11 and the second wheel, and the rotation speed is the same.

[0023] The bracket 2 is provided with a slide groove 14, and the first movable frame 4 and the second movable frame 5 slide in the slide groove 14 to keep them stable.

[0024] The mounting holes 8 are four symmetrically arranged countersunk holes, two pins 15 are provided on the back side of the limit member 9, a fixed sleeve 16 is provided at the front end of the limit member 9, a movable sleeve 17 is hinged at the end of the fixed sleeve 16, and the fixed sleeve 16 and the movable sleeve 17 form a complete annular structure. The pins 15 on the back of the limit member 9 are inserted into appropriate countersunk holes as needed, so that the annular structure formed by the fixed sleeve 16 and the movable sleeve 17 in front of the limit member 9 is in a horizontal or vertical state, so as to realize the horizontal or vertical positioning of the steel bars.

[0025] A screw 18 is provided above the movable sleeve 17, and a limit rod 19 is provided above the movable sleeve 17. A limit hole 20 is provided on the limit piece 9. The limit rod 19 is inserted into the limit hole 20 to fix the position of the movable sleeve 17. The screw 18 is used to lock the internal steel bars so that they are fixed on the limit piece 9. The limit rod 19 is inserted into the limit hole 20 to fix the position of the movable sleeve 17, and the steel bars will not fall out of the annular structure of the fixed sleeve 16 and the movable sleeve 17.

[0026] Compared with the prior art, the utility model has the following beneficial effects: a fixed frame and multiple movable frames are provided, and the limiting members on the outside can have two states, horizontal and vertical, to achieve horizontal or vertical positioning of the steel bars, so as to meet the welding positioning requirements of different steel cages.

Claims

1. A steel bar positioning structure for construction, characterized in that: The invention comprises a base (1), wherein a bracket (2) is provided on the base (1), a fixed frame (3) is provided on the top of the bracket (2), a first movable frame (4) and a second movable frame (5) are slidably provided on the bracket (2), a first lead screw (6) and a second lead screw (7) are vertically rotatably provided on the base (1), the pitch ratio of the first lead screw (6) to the second lead screw (7) is 1:2, the first lead screw (6) is threadedly connected to the first movable frame (4), the second lead screw (7) is threadedly connected to the second movable frame (5), the fixed frame (3), the first movable frame (4) and the second movable frame (5) are all provided with mounting holes (8) on the outside, and a detachable limit member (9) is provided in the mounting hole (8), and the limit member (9) can be in two states, horizontal and vertical, in the mounting hole (8).

2. A steel bar positioning structure for construction according to claim 1, characterized in that: A worm (10) is rotatably arranged on the top of the bracket (2), a first worm wheel (11) meshing with the worm (10) is arranged on the upper end of the first lead screw (6), and a second worm wheel (12) meshing with the worm (10) is arranged on the upper end of the second lead screw (7).

3. A steel bar positioning structure for construction according to claim 2, characterized in that: The first worm gear (11) and the second worm gear (12) are completely identical.

4. A steel bar positioning structure for construction according to claim 2, characterized in that: A hand wheel (13) is provided at the end of the worm (10).

5. A steel bar positioning structure for construction according to claim 1, characterized in that: The support (2) is provided with a slide groove (14), and the first movable frame (4) and the second movable frame (5) slide in the slide groove (14).

6. A steel bar positioning structure for construction according to claim 1, characterized in that: The mounting holes (8) are four countersunk holes arranged symmetrically, two latches (15) are arranged on the back side of the limiting member (9), a fixing sleeve (16) is arranged at the front end of the limiting member (9), a movable sleeve (17) is hinged at the end of the fixing sleeve (16), and the fixing sleeve (16) and the movable sleeve (17) form a complete annular structure.

7. A steel bar positioning structure for construction according to claim 6, characterized in that: A screw rod (18) is provided above the movable sleeve (17).

8. A steel bar positioning structure for construction according to claim 6, characterized in that: A limiting rod (19) is provided above the movable sleeve (17), a limiting hole (20) is provided on the limiting member (9), and the limiting rod (19) is inserted into the limiting hole (20) to fix the position of the movable sleeve (17).

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