Precise positioning device for beam body steel bar binding of prefabricated box beam

Abstract

The utility model relates to a prefabricated box girder body reinforcing steel bar binding accurate positioning device which comprises a plurality of U-shaped frames, a first top positioning rod, a second top positioning rod and a plurality of steel pipes, the U-shaped frames are sequentially arranged at intervals in the front-back direction, left vertical connecting arms of the U-shaped frames are arranged in a front-back corresponding mode and connected through the first top positioning rod, and right vertical connecting arms of the U-shaped frames are connected through the second top positioning rod. The right vertical connecting arms of the plurality of U-shaped frames are correspondingly arranged front and back and are connected through a second top positioning rod; the left vertical connecting arm and the right vertical connecting arm of each U-shaped frame are each provided with a plurality of steel pipes which are transversely arranged in the left-right direction, the steel pipes are sequentially arranged at intervals in the vertical direction, and the steel pipes on the left vertical connecting arm and the steel pipes on the right vertical connecting arm of each U-shaped frame are arranged in a one-to-one correspondence mode in the left-right direction. The steel pipes on the adjacent U-shaped frames are arranged in a one-to-one correspondence mode in the front-back direction. Positioning round steel is movably arranged in each steel pipe in a penetrating manner; and the transverse bottom rods of the plurality of U-shaped frames are also vertically connected with bottom positioning rods.

Description

Technical Field

[0001] This utility model relates to the field of precast box girder reinforcement binding construction technology, specifically to a precise positioning device for precast box girder reinforcement binding. Background Technology

[0002] In the construction of box girders, the steel reinforcement binding is a crucial control process. Traditionally, the steel reinforcement binding of precast box girders is carried out directly on the girder casting platform. This has disadvantages such as laborious handling of semi-finished steel reinforcement, low qualification rate of protective layer, poor steel reinforcement line shape, and uneven spacing. The subsequent adjustments take up a lot of time, which greatly restricts the construction progress of precast box girders. Utility Model Content

[0003] In order to solve one or more technical problems existing in the prior art, this utility model provides a device for precise positioning of reinforcing steel bars in precast box girder.

[0004] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A precise positioning device for binding steel bars of precast box girder includes multiple U-shaped frames, a first top positioning rod, a second top positioning rod, and multiple steel pipes. The multiple U-shaped frames are arranged sequentially at intervals along the front-back direction. Each U-shaped frame includes a left vertical connecting arm, a right vertical connecting arm, and a transverse bottom rod. The lower ends of the left and right vertical connecting arms are respectively fixedly connected to the two ends of the transverse bottom rod. The left vertical connecting arms of the multiple U-shaped frames are arranged front-back and connected by the first top positioning rod, and the right vertical connecting arms of the multiple U-shaped frames are arranged front-back and connected by the second top positioning rod.

[0005] Each U-shaped frame has multiple steel pipes arranged horizontally on its left and right vertical connecting arms. These steel pipes are arranged at intervals in the vertical direction. The steel pipes on the left and right vertical connecting arms of each U-shaped frame are arranged one-to-one in the left-right direction, and the steel pipes on adjacent U-shaped frames are arranged one-to-one in the front-back direction. Each steel pipe is fitted with a positioning round steel.

[0006] Multiple U-shaped frames are vertically connected to horizontal base rods, and multiple bottom positioning openings are provided on the bottom positioning rods. Multiple first top positioning openings are provided on the right side of the first top positioning rods, and multiple second top positioning openings are provided on the left side of the second top positioning rods, with the multiple first top positioning openings, multiple second top positioning openings, and multiple bottom positioning openings arranged correspondingly in the left-right direction.

[0007] The beneficial effects of this utility model are: the precast box girder reinforcement binding precision positioning device of this utility model can realize the precise positioning and binding of the precast box girder, which is simple to construct and has controllable quality. Moreover, the precision positioning device of this utility model can be recycled, ensuring construction quality, improving construction efficiency, and saving construction costs.

[0008] Based on the above technical solution, the present invention can be further improved as follows.

[0009] Furthermore, the top ends of the left vertical connecting arms of the multiple U-shaped frames are connected and positioned by a first top positioning rod, and the top ends of the right vertical connecting arms of the multiple U-shaped frames are connected and positioned by a second top positioning rod.

[0010] The beneficial effect of adopting the above-mentioned further solution is that by setting the first top positioning rod and the second top positioning rod on the top of the U-shaped frame respectively, the top of the precast box girder can be accurately positioned through the first top positioning opening and the second top positioning opening.

[0011] Furthermore, the first top positioning rod is a first angle steel positioning rod, the second top positioning rod is a second angle steel positioning rod, the first top positioning opening is arranged to the right, and the second top positioning opening is arranged to the left.

[0012] Furthermore, the inner side of the U-shaped frame is also provided with a first diagonal brace and a second diagonal brace. The two ends of the first diagonal brace are respectively connected and fixed to the left vertical connecting arm and the horizontal bottom rod, and the two ends of the second diagonal brace are respectively connected and fixed to the right vertical connecting arm and the horizontal bottom rod.

[0013] The beneficial effect of adopting the above-mentioned further solution is that the structure has better stability by setting diagonal bracing.

[0014] Furthermore, the steel pipe on the left vertical connecting arm is also fixed to the first diagonal brace, and the steel pipe on the right vertical connecting arm is also fixed to the second diagonal brace; multiple steel pipes on the left vertical connecting arm of each U-shaped frame are arranged at equal intervals in the vertical direction, and multiple steel pipes on the right vertical connecting arm of each U-shaped frame are arranged at equal intervals in the vertical direction.

[0015] Furthermore, the upper end of the first diagonal brace is fixedly connected to the upper end of the left vertical connecting arm, and the distance between the lower end of the first diagonal brace and the lower end of the left vertical connecting arm is not greater than 1 / 4 of the length of the transverse bottom rod; the upper end of the second diagonal brace is fixedly connected to the upper end of the right vertical connecting arm, and the distance between the lower end of the second diagonal brace and the lower end of the right vertical connecting arm is not greater than 1 / 4 of the length of the transverse bottom rod.

[0016] Furthermore, there are two bottom positioning rods, which are bottom angle steel positioning rods, and the bottom positioning opening is arranged with the opening facing upwards.

[0017] Furthermore, a first leveling rod is provided between the bottom positioning rod and the lower end of the first diagonal brace, and a second leveling rod is provided between the bottom positioning rod and the lower end of the second diagonal brace; both the first leveling rod and the second leveling rod extend forward and backward and are fixed on the transverse bottom rod of the U-shaped frame.

[0018] The beneficial effect of adopting the above-mentioned further solution is that by setting leveling rods, it is convenient to level the precast box girder body.

[0019] Furthermore, the first leveling rod is a first channel steel rod, and the second leveling rod is a second channel steel rod. The upper surfaces of the first and second channel steel rods are located on the same horizontal plane, and the upper surface of the first channel steel rod is lower than the opening end of the bottom positioning opening.

[0020] Furthermore, the positioning round steel has a hand handle at one end outside the U-shaped frame. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the main structure of the precast box girder reinforcement binding precision positioning device of this utility model;

[0022] Figure 2 This is a partial structural diagram of the bottom positioning rod of this utility model.

[0023] The attached diagram lists the components represented by each number as follows:

[0024] 1. First top positioning rod; 2. Second top positioning rod; 3. Steel pipe; 4. Left vertical connecting arm; 41. Right vertical connecting arm; 42. Horizontal bottom rod; 5. Positioning round steel; 51. Hand-held rod; 6. First diagonal brace; 61. Second diagonal brace; 7. Bottom positioning rod; 71. Bottom positioning opening; 8. First leveling rod; 81. Second leveling rod. Detailed Implementation

[0025] The principles and features of this utility model are described below with reference to the accompanying drawings. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model.

[0026] like Figure 1 and Figure 2As shown in the figure, a precast box girder reinforcement binding precision positioning device of this embodiment includes multiple U-shaped frames, a first top positioning rod 1, a second top positioning rod 2, and multiple steel pipes 3. The multiple U-shaped frames are arranged sequentially at intervals in the front-back direction. Each U-shaped frame includes a left vertical connecting arm 4, a right vertical connecting arm 41, and a transverse bottom rod 42. The lower ends of the left vertical connecting arm 4 and the right vertical connecting arm 41 are respectively fixedly connected to the two ends of the transverse bottom rod 42. The left vertical connecting arms 4 of the multiple U-shaped frames are arranged front-back and connected by the first top positioning rod 1, and the right vertical connecting arms 41 of the multiple U-shaped frames are arranged front-back and connected by the second top positioning rod 2.

[0027] Each U-shaped frame has multiple horizontally arranged steel pipes 3 on its left vertical connecting arm 4 and right vertical connecting arm 41. The multiple steel pipes 3 are arranged alternately in the vertical direction. The multiple steel pipes 3 on the left vertical connecting arm 4 and the multiple steel pipes 3 on the right vertical connecting arm 41 of each U-shaped frame are arranged one-to-one in the left-right direction. The steel pipes 3 on adjacent U-shaped frames are arranged one-to-one in the front-back direction. Each steel pipe 3 is movably inserted with a positioning round steel 5.

[0028] Multiple U-shaped frame transverse base rods 42 are vertically connected to bottom positioning rods 7. Each bottom positioning rod 7 has multiple bottom positioning openings 71 arranged at equal intervals along the front-to-back direction. The right side of the first top positioning rod 1 has multiple first top positioning openings arranged at equal intervals along the front-to-back direction, and the left side of the second top positioning rod 2 has multiple second top positioning openings arranged at equal intervals along the front-to-back direction. The multiple first top positioning openings, multiple second top positioning openings, and multiple bottom positioning openings are arranged correspondingly in the left-to-right direction. The bottom positioning rods 7 are arranged perpendicularly to the transverse base rods 42 and are used to connect the multiple transverse base rods 42.

[0029] like Figure 1 As shown, in this embodiment, the top ends of the left vertical connecting arms 4 of the multiple U-shaped frames are connected and positioned by the first top positioning rod 1, and the top ends of the right vertical connecting arms 41 of the multiple U-shaped frames are connected and positioned by the second top positioning rod 2. By setting the first top positioning rod and the second top positioning rod on the top of the U-shaped frame respectively, the top of the precast box girder can be accurately positioned through the first top positioning opening and the second top positioning opening.

[0030] like Figure 1 and Figure 2 As shown, in this embodiment, the first top positioning rod 1 is a first angle steel positioning rod, and the second top positioning rod 2 is a second angle steel positioning rod. The first top positioning opening is arranged to the right, and the second top positioning opening is arranged to the left.

[0031] like Figure 1As shown, the inner side of the U-shaped frame in this embodiment is also provided with a first diagonal brace 6 and a second diagonal brace 61. The two ends of the first diagonal brace 6 are respectively connected and fixed to the left vertical connecting arm 4 and the horizontal bottom rod 42, and the two ends of the second diagonal brace 61 are respectively connected and fixed to the right vertical connecting arm 41 and the horizontal bottom rod 42. By setting diagonal braces, the structural stability is better.

[0032] like Figure 1 As shown, in this embodiment, the steel pipe 3 on the left vertical connecting arm 4 is also fixed on the first diagonal brace 6, and the steel pipe 3 on the right vertical connecting arm 41 is also fixed on the second diagonal brace 61; the multiple steel pipes 3 on the left vertical connecting arm 4 of each U-shaped frame are arranged at equal intervals in the vertical direction, and the multiple steel pipes 3 on the right vertical connecting arm 41 of each U-shaped frame are arranged at equal intervals in the vertical direction.

[0033] like Figure 1 As shown, in this embodiment, the upper end of the first diagonal brace 6 is fixedly connected to the upper end of the left vertical connecting arm 4, and the distance between the lower end of the first diagonal brace 6 and the lower end of the left vertical connecting arm 4 is not greater than 1 / 4 of the length of the transverse bottom rod 42; the upper end of the second diagonal brace 61 is fixedly connected to the upper end of the right vertical connecting arm 41, and the distance between the lower end of the second diagonal brace 61 and the lower end of the right vertical connecting arm 41 is not greater than 1 / 4 of the length of the transverse bottom rod.

[0034] like Figure 1 and Figure 2 As shown, in this embodiment, there are two bottom positioning rods 7, which are bottom angle steel positioning rods. The bottom positioning opening 71 is arranged with its opening facing upward and is open from left to right.

[0035] like Figure 1 As shown, in this embodiment, a first leveling rod 8 is provided between the bottom positioning rod 7 and the lower end of the first diagonal brace 6, and a second leveling rod 81 is provided between the bottom positioning rod 7 and the lower end of the second diagonal brace 61; the first leveling rod 8 and the second leveling rod 81 both extend forward and backward and are fixed on the transverse bottom rod 42 of the U-shaped frame. By setting the leveling rods, it is convenient to level the precast box girder body.

[0036] like Figure 1 As shown, in this embodiment, the first leveling rod 8 is a first channel steel rod, and the second leveling rod 81 is a second channel steel rod. The upper surface of the first channel steel rod and the upper surface of the second channel steel rod are located on the same horizontal plane, and the upper surface of the first channel steel rod is lower than the opening end of the bottom positioning opening 71.

[0037] like Figure 1 As shown, in this embodiment, the positioning round steel 5 has a hand handle 51 at one end outside the U-shaped frame. Multiple positioning round steels 5 can share a single hand handle 51.

[0038] The precise positioning device for tying the reinforcing bars of the precast box girder in this embodiment can achieve precise positioning and tying of the precast box girder. The construction is simple, the quality is controllable, and the precise positioning device in this embodiment can be recycled to ensure construction quality, improve construction efficiency, and save construction costs.

[0039] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0040] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0041] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0042] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0043] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0044] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A precise positioning device for tying reinforcing bars in a precast box girder, characterized in that, It includes multiple U-shaped frames, a first top positioning rod, a second top positioning rod, and multiple steel pipes. The multiple U-shaped frames are arranged sequentially at intervals along the front-to-back direction. Each U-shaped frame includes a left vertical connecting arm, a right vertical connecting arm, and a horizontal bottom rod. The lower ends of the left and right vertical connecting arms are respectively fixedly connected to the two ends of the horizontal bottom rod. The left vertical connecting arms of the multiple U-shaped frames are arranged front-to-back and connected by the first top positioning rod, and the right vertical connecting arms of the multiple U-shaped frames are arranged front-to-back and connected by the second top positioning rod. Each U-shaped frame has multiple steel pipes arranged horizontally on its left and right vertical connecting arms. These steel pipes are arranged at intervals in the vertical direction. The steel pipes on the left and right vertical connecting arms of each U-shaped frame are arranged one-to-one in the left-right direction, and the steel pipes on adjacent U-shaped frames are arranged one-to-one in the front-back direction. Each steel pipe is fitted with a positioning round steel. Multiple U-shaped frames are vertically connected to horizontal base rods, and multiple bottom positioning openings are provided on the bottom positioning rods. Multiple first top positioning openings are provided on the right side of the first top positioning rods, and multiple second top positioning openings are provided on the left side of the second top positioning rods, with the multiple first top positioning openings, multiple second top positioning openings, and multiple bottom positioning openings arranged correspondingly in the left-right direction.

2. The precise positioning device for tying reinforcing bars of a precast box girder as described in claim 1, characterized in that, The top ends of the left vertical connecting arms of multiple U-shaped frames are connected and positioned by a first top positioning rod, and the top ends of the right vertical connecting arms of multiple U-shaped frames are connected and positioned by a second top positioning rod.

3. The precise positioning device for tying reinforcing bars of a precast box girder according to claim 1, characterized in that, The first top positioning rod is a first angle steel positioning rod, and the second top positioning rod is a second angle steel positioning rod. The first top positioning opening is arranged to the right, and the second top positioning opening is arranged to the left.

4. The precise positioning device for tying reinforcing bars of a precast box girder according to claim 1, characterized in that, The inner side of the U-shaped frame is also provided with a first diagonal brace and a second diagonal brace. The two ends of the first diagonal brace are respectively connected and fixed to the left vertical connecting arm and the horizontal bottom rod, and the two ends of the second diagonal brace are respectively connected and fixed to the right vertical connecting arm and the horizontal bottom rod.

5. The precise positioning device for tying reinforcing bars of a precast box girder according to claim 4, characterized in that, The steel pipe on the left vertical connecting arm is also fixed to the first diagonal brace, and the steel pipe on the right vertical connecting arm is also fixed to the second diagonal brace; the multiple steel pipes on the left vertical connecting arm of each U-shaped frame are arranged at equal intervals in the vertical direction, and the multiple steel pipes on the right vertical connecting arm of each U-shaped frame are arranged at equal intervals in the vertical direction.

6. The precise positioning device for tying reinforcing bars of a precast box girder according to claim 4, characterized in that, The upper end of the first diagonal brace is fixedly connected to the upper end of the left vertical connecting arm, and the distance between the lower end of the first diagonal brace and the lower end of the left vertical connecting arm is not greater than 1 / 4 of the length of the horizontal base rod; the upper end of the second diagonal brace is fixedly connected to the upper end of the right vertical connecting arm, and the distance between the lower end of the second diagonal brace and the lower end of the right vertical connecting arm is not greater than 1 / 4 of the length of the horizontal base rod.

7. The precise positioning device for tying reinforcing bars of a precast box girder according to claim 4, characterized in that, There are two bottom positioning rods, which are bottom angle steel positioning rods, and the bottom positioning openings are arranged with the openings facing upwards.

8. The precise positioning device for tying reinforcing bars of a precast box girder according to claim 4, characterized in that, A first leveling rod is provided between the bottom positioning rod and the lower end of the first diagonal brace, and a second leveling rod is provided between the bottom positioning rod and the lower end of the second diagonal brace; the first leveling rod and the second leveling rod both extend forward and backward and are fixed on the transverse bottom rod of the U-shaped frame.

9. The precise positioning device for tying reinforcing bars of a precast box girder according to claim 8, characterized in that, The first leveling rod is a first channel steel rod, and the second leveling rod is a second channel steel rod. The upper surfaces of the first channel steel rod and the second channel steel rod are located on the same horizontal plane, and the upper surface of the first channel steel rod is lower than the opening end of the bottom positioning opening.

10. The precise positioning device for tying reinforcing bars of a precast box girder according to claim 1, characterized in that, The positioning round steel has a hand-held handle at one end outside the U-shaped frame.

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