Tool for adjusting distance between reinforcing steel bars and protective layer of anti-collision wall

Abstract

The utility model belongs to the field of bridge guardrails, and particularly relates to an anti-collision wall steel bar spacing and protective layer adjusting tool which comprises a transverse rod, a middle rod horizontally fixed to the side face of the transverse rod, a vertical rod vertically fixed to the upper surface of the transverse rod and a contrast steel bar arranged over the middle rod. The first end of the middle rod is perpendicularly fixed to the middle of the transverse rod so that the transverse rod and the middle rod can form a T shape, and an adjusting rod penetrating through the middle rod in a threaded mode is arranged at the position, close to the second end of the middle rod, of the middle rod. The auxiliary binding tool is used for assisting in binding of bridge guardrail main reinforcements, is simple in structure and practical in function, when used, the adjusting tool jumps to be horizontal, the guardrail main reinforcements are aligned with contrast reinforcements on the adjusting tool and then welded to embedded reinforcements on a bridge floor to be fixed, use is convenient and fast, the binding efficiency and accuracy of the bridge guardrail main reinforcements can be improved, and the binding efficiency of the bridge guardrail main reinforcements can be improved. And the thickness and the linear beauty of the bridge guardrail protection layer are ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of bridge guardrails, and in particular relates to a tool for adjusting the spacing between steel bars and a protective layer of a crash barrier. Background Art

[0002] Bridge guardrails are common concrete components. Construction begins by welding the guardrail's main reinforcement to pre-embedded steel bars in the bridge deck. The guardrail is then cast using the guardrail's concrete formwork. During welding, workers position the guardrail's main reinforcement based on visual inspection or experience, which doesn't guarantee the thickness of the steel cover or the precise placement of the main reinforcement. While auxiliary methods like tension wires are currently available, these wires are easily disturbed, affecting accuracy.

[0003] Therefore, it is necessary to provide an improved technical solution to the above-mentioned deficiencies in the prior art. Utility Model Content

[0004] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a tool for adjusting the spacing between steel bars and the protective layer of a crash barrier.

[0005] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0006] A tool for adjusting the spacing and protective layer of steel bars in a crash wall, comprising a cross bar, a middle bar horizontally fixed to the side of the cross bar, a vertical bar vertically fixed to the upper surface of the cross bar, and a control steel bar arranged directly above the middle bar; the first end of the middle bar is vertically fixed to the middle of the cross bar so that the cross bar and the middle bar form a T shape, and an adjustment rod with a thread passing through the middle bar is provided on the middle bar near its second end.

[0007] Furthermore, the control steel bar is an inverted U-shape having the same shape as the inner and outer sides of the main reinforcement of the guardrail.

[0008] Furthermore, the control steel bar is provided with a plurality of control rods perpendicular to the plane where the control steel bar is located, and at least one control rod is fixed on the upper part and the lower part of the control steel bar.

[0009] Furthermore, the control steel bar is composed of a vertical portion, a transition portion and an inclined portion that are connected in sequence, and the control rod is arranged on a side of the inclined portion facing the vertical rod.

[0010] Furthermore, the bottom end of the control steel bar is fixed to the middle rod through a fixed reinforcement column, and the fixed reinforcement column is closer to the second end of the middle rod than the adjustment rod.

[0011] Furthermore, the side of the control steel bar facing the vertical pole is fixed to the vertical pole through a plurality of fixed reinforcement rods.

[0012] Furthermore, at least three level bubbles are provided on the vertical pole, and the movable directions of the bubbles in the three level bubbles are different.

[0013] Furthermore, a level ruler is detachably provided on the vertical pole.

[0014] Furthermore, a plurality of foot rods are fixed to the side of the cross bar facing away from the middle bar, and the bottom ends of the foot rods are coplanar with the bottom surface of the cross bar.

[0015] Furthermore, the crossbar, middle bar and vertical bar are made of angle steel or square tube.

[0016] The beneficial effects of the utility model are:

[0017] The utility model is used to assist in the tying of the main reinforcement of the bridge guardrail. It has a simple structure and practical functions. When in use, the adjusting tool is leveled, and the main reinforcement of the guardrail is aligned with the control reinforcement on the adjusting tool, and then welded to the pre-buried reinforcement of the bridge deck for fixation. It is easy to use, can improve the efficiency and accuracy of tying the main reinforcement of the bridge guardrail, and ensure the thickness and linear beauty of the protective layer of the bridge guardrail.

[0018] The adjusting tool of the utility model can be made of steel bars, angle steels, nuts and other materials at the construction site, which are easy to obtain and can be directly welded and processed on site, with low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings constituting part of this application are intended to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are intended to explain the present invention and do not constitute an improper limitation of the present invention.

[0020] Figure 1 It is a structural schematic diagram of an embodiment of the present utility model.

[0021] Figure 2 This is a structural diagram of another perspective of an embodiment of the utility model.

[0022] Figure 3 This is a schematic diagram of the usage state of an embodiment of the utility model.

[0023] In the figure: 1- horizontal bar, 2- vertical bar, 3- control steel bar, 4- middle bar, 5- nut, 6- adjustment bar, 7- fixed reinforcement column, 8- control bar, 9- fixed reinforcement bar, 10- foot bar, 11- level ruler, 100- guardrail main reinforcement, 200- embedded steel bar, 300- surface reinforcement. DETAILED DESCRIPTION

[0024] The following is a clear and complete description of the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of the present invention.

[0025] In the description of the present invention, the terms "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention. The terms "connected" and "connected" used in the present invention should be understood in a broad sense. For example, they can be fixed connections or detachable connections; they can be directly connected or indirectly connected through intermediate components. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0026] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present invention can be combined with each other.

[0027] like Figures 1 to 2 As shown, a tool for adjusting the spacing and protective layer of steel bars of a crash barrier comprises a cross bar 1, a middle bar 4 fixed horizontally to the side of the cross bar 1, a vertical bar 2 fixed vertically to the upper surface of the cross bar 1, and a control steel bar 3 arranged just above the middle bar 4; the first end of the middle bar 4 is vertically fixed to the middle part of the cross bar 1 so that the cross bar 1 and the middle bar 4 form a T shape, and an adjusting rod 6 with a thread passing through the middle bar 4 is provided on the middle bar 4 near its second end, and the adjusting rod 6 adjusts the verticality of the vertical bar 2 by adjusting the protruding length of the lower end, and a horizontal bubble is required to assist in the adjustment; the Several foot rods 10 are fixed to the side of the crossbar 1 facing away from the center rod 4. The bottom ends of the foot rods 10 are coplanar with the bottom surface of the crossbar 1, so that the crossbar 1 and the foot rods 10 form a simple plane perpendicular to the vertical rod 2. The control steel bars 3 are in an inverted U-shape with the same shape as the inner and outer sides of the guardrail main bars 100. The control steel bars 3 are provided with several control rods 8 perpendicular to the plane where the control steel bars 3 are located, and at least one control rod 8 is fixed to the upper and lower parts of the control steel bars 3. The guardrail main bars 100 can be quickly aligned with the control steel bars 3 by placing them against the control rods 8. The crossbar 1, center rod 4 and vertical rods 2 are made of angle steel or square tubes; the materials are easily obtained at the construction site, and the adjustment tooling can be directly welded and processed at the construction site.

[0028] Specifically, such as Figures 1 to 2As shown, a through hole is provided on the middle rod 4, a nut 5 is welded on the through hole, the adjusting rod 6 is threaded steel or a screw, and the adjusting rod 6 is threadedly connected to the nut 5 to realize the adjustment function of the adjusting rod 6; a short steel bar is welded on the top of the adjusting rod 6 as a handle.

[0029] like Figures 1 to 2 As shown, the control steel bar 3 has the same shape as the upper portion of the guardrail main reinforcement 100. Specifically, it is composed of a vertical portion, a transition portion, and an inclined portion connected in sequence from the outside to the inside of the bridge deck. The control rod 8 is arranged on the side of the inclined portion facing the vertical pole 2. Specifically, the bottom end of the control steel bar 3 is fixed to the center pole 4 via a fixed reinforcement column 7. The fixed reinforcement column 7 is closer to the second end of the center pole 4 than the adjustment rod 6. The side of the control steel bar 3 facing the vertical pole 2 is fixed to the vertical pole 2 via a plurality of fixed reinforcement rods 9. The fixed reinforcement column 7 and the fixed reinforcement rods 9 are both auxiliary structures used to fix the control steel bar 3.

[0030] like Figures 1 to 2 As shown, at least three level bubbles are provided on the vertical pole 2, and the movable directions of the bubbles in the three level bubbles are different; for the convenience of manufacturing, preferably, a level ruler 11 is detachably provided on the vertical pole 2, and the water pool on the level ruler 11 has a level bubble for only horizontality, a level bubble for only verticality and a 45° level bubble; one side of the level ruler 11 is against the vertical pole 2, and then fixed by a tape or a binding strap. After the use of this adjustment tool is completed, the tape or the binding strap is directly removed and the level ruler 11 is recovered.

[0031] like Figure 3 As shown, when the adjustment tool of the utility model is used:

[0032] (1) Figure 3 As shown, first place the crossbar 1 and footbar 10 of the device at the edge of the bridge deck pavement layer, and insert the middle bar 4 between two adjacent embedded steel bars 200 on the prefabricated T-beam; then refer to the level 11 and adjust the extension length of the lower end of the adjusting rod 6, and adjust the vertical bar 2 to be vertical. At this time, the reference steel bar 3 is in the expected position; Figure 3 The figure schematically shows the bridge deck pavement layer and the surface layer steel bars 300 therein, the prefabricated T-beam and the vertical embedded steel bars 200 therein.

[0033] (2) Take a bridge guardrail main reinforcement 100, align it with the reference steel bar 3, and weld it to the embedded steel bar 200; then, after several embedded steel bars 200, fix another guardrail main reinforcement 100 on the bridge deck, and then fix two more guardrail main reinforcements 100 using the same method. Tie and fix three square tubes to the four fixed guardrail main reinforcements 100, and these three square tubes are located at the top, middle and upper outer part of the bridge main reinforcement respectively.

[0034] (3) Using these three square tubes as the alignment reference for the main reinforcement of the bridge guardrail 100, weld and fix the other guardrail main reinforcements 100 to the embedded steel bars 200 until all the bridge guardrail main reinforcements 100 within the range of the square tubes are fixed; then remove the square tubes.

[0035] (4) Use this adjustment tool to accurately locate the four bridge guardrail main reinforcements 100 of the next (square tube) section, then tie and fix three square tubes on these four bridge guardrail main reinforcements 100, and then use these three square tubes as the alignment reference of the bridge guardrail main reinforcement 100 to fix the other bridge guardrail main reinforcements 100 of this (square tube) section, and repeat this process until the construction of the bridge guardrail main reinforcement 100 of the bridge guardrail is completed.

[0036] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention are within the scope of protection of the pending claims of the present invention.

Claims

1. A tool for adjusting the spacing and protective layer of steel bars in a crash wall, characterized by: The invention comprises a cross bar (1), a middle bar (4) fixed horizontally on the side of the cross bar (1), a vertical bar (2) fixed vertically on the upper surface of the cross bar (1), and a control steel bar (3) arranged directly above the middle bar (4); the first end of the middle bar (4) is fixed vertically on the middle part of the cross bar (1) so that the cross bar (1) and the middle bar (4) form a T-shape, and an adjusting rod (6) with a thread passing through the middle bar (4) is provided on the middle bar (4) near its second end.

2. The tool for adjusting the spacing between steel bars and the protective layer of a crash barrier according to claim 1 is characterized by: The control steel bar (3) is an inverted U-shaped bar with the same shape as the inner and outer sides of the guardrail main bar (100).

3. The tool for adjusting the spacing and protective layer of steel bars of a crash barrier according to claim 1 is characterized in that: The control steel bar (3) is provided with a plurality of control rods (8) perpendicular to the plane where the control steel bar (3) is located, and at least one control rod (8) is fixed on the upper part and the lower part of the control steel bar (3).

4. The tool for adjusting the spacing and protective layer of steel bars of a crash barrier according to claim 3 is characterized by: The control steel bar (3) is composed of a vertical portion, a transition portion and an inclined portion that are connected in sequence, and the control rod (8) is arranged on a side of the inclined portion facing the vertical rod (2).

5. The tool for adjusting the spacing and protective layer of steel bars of a crash barrier according to claim 1 is characterized in that: The bottom end of the control steel bar (3) is fixed to the middle rod (4) via a fixed reinforcement column (7), and the fixed reinforcement column (7) is closer to the second end of the middle rod (4) than the adjustment rod (6).

6. The tool for adjusting the spacing and protective layer of steel bars of a crash barrier according to claim 1 is characterized by: The side of the control steel bar (3) facing the vertical bar (2) is fixed to the vertical bar (2) via a plurality of fixed reinforcement bars (9).

7. The tool for adjusting the spacing and protective layer of steel bars of a crash barrier according to claim 1 is characterized in that: At least three horizontal bubbles are arranged on the vertical rod (2), and the movable directions of the bubbles in the three horizontal bubbles are different.

8. The tool for adjusting the spacing and protective layer of steel bars of a crash barrier according to claim 1 is characterized by: A level ruler (11) is detachably provided on the vertical pole (2).

9. The tool for adjusting the spacing and protective layer of steel bars of a crash barrier according to claim 1, characterized in that: A plurality of foot rods (10) are fixed to the side of the cross bar (1) facing away from the middle bar (4), and the bottom ends of the foot rods (10) are coplanar with the bottom surface of the cross bar (1).

10. The tool for adjusting the spacing and protective layer of steel bars of a crash barrier according to claim 1, characterized in that: The crossbar (1), middle bar (4) and vertical bar (2) are made of angle steel or square tube.

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