Spacing-adjustable steel box girder matching part

Abstract

The utility model discloses a spacing-adjustable steel box girder matching piece which comprises a steel box girder, angle steel seats, stiffening plates, nuts, double-thread screws, wires, pin holes, slotted holes and strain gauges. The inner wall of the angle steel base is sleeved with a double-thread screw, a slotted hole is formed in the outer wall of one side of the double-thread screw, a strain gauge is fixedly connected to the inner wall of one side of the slotted hole, and one end of the strain gauge is fixedly connected with a wire. According to the utility model, the spacing-adjustable steel box girder matching piece is designed, so that the operation process is simplified, the links of measurement and adjustment are reduced, the construction efficiency is improved, the processing amount and the material use amount are reduced, and the cost is effectively reduced; meanwhile, the strain gauge is designed, the magnitude of the residual stress can be calculated and analyzed by collecting data on the strain gauge, large displacement of the steel structure caused by the residual stress generated by welding and splicing is prevented, part of the residual stress can be released in real time, and the phenomenon of residual stress concentration of the steel structure is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of steel box beams, in particular to a steel box beam matching piece with adjustable spacing. Background Art

[0002] Steel box girder, also known as steel plate box girder, is a common structural form for long-span bridges. It is generally used on bridges with larger spans. It is called steel box girder because of its box-like appearance. Steel structure bridges are increasingly favored in the construction field due to their lightweight, fast construction and superior performance. However, the existing steel box girder segment installation process has challenges in precision adjustment, which often requires a lot of time and manpower.

[0003] At present, the traditional method cannot meet people's needs and has the following defects: First, the operation process is complicated, the measurement and adjustment links are relatively difficult, the construction efficiency is low, and the matching parts need to be connected with bolts, and the steel plates need to be processed and adjusted to meet the size requirements, which increases the construction cost and workload; Second, it is impossible to analyze the residual stress during the installation process, and it is impossible to predict possible problems. The accuracy and stability after installation cannot be guaranteed, which increases the possibility of subsequent adjustments. Utility Model Content

[0004] The utility model aims to provide a steel box beam matching piece with adjustable spacing to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a steel box girder matching part with adjustable spacing, comprising an angle steel seat, a double-headed screw is sleeved on the inner wall of the angle steel seat, a slot is opened on the outer wall of one side of the double-headed screw, a strain gauge is fixedly connected to the inner wall of one side of the slot, and a wire is fixedly connected to one end of the strain gauge.

[0006] As a further technical solution of the utility model, a pin hole is opened on the outer wall of one side of the angle steel seat, and the double-headed screw is sleeved in the pin hole.

[0007] As a further technical solution of the utility model, a nut is provided on an outer wall of one side of the angle steel seat, and a double-headed screw is sleeved in the nut.

[0008] As a further technical solution of the utility model, a stiffening plate is fixedly connected to an outer wall of one side of the angle steel seat.

[0009] As a further technical solution of the utility model, a steel box beam is fixedly connected to an outer wall on one side of the angle steel seat.

[0010] Compared with the prior art, the beneficial effect achieved by the utility model is that the utility model is designed with steel box beam matching parts with adjustable spacing, which simplifies the operation process, reduces the measurement and adjustment links, improves the construction efficiency, reduces the processing volume and material usage, effectively reduces the cost, and improves the reuse rate of resources; at the same time, it is designed with a strain gauge, which can calculate and analyze the size of the residual stress by collecting data on the strain gauge, prevent the residual stress generated by welding and assembly from causing a large displacement of the steel structure, and can also release part of the residual stress in real time, avoid the phenomenon of residual stress concentration in the steel structure, prevent the brittle failure of the structure, and at the same time improve the accuracy and stability of the steel box beam after installation, and reduce the need for adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the overall three-dimensional structure of the utility model before locking;

[0014] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of structure A in the middle;

[0015] Figure 4 It is a schematic diagram of the overall top view structure of the utility model;

[0016] Figure 5 It is a schematic diagram of the overall front view structure of the utility model.

[0017] In the figure: 1. Steel box girder; 2. Angle steel seat; 3. Stiffening plate; 4. Nut; 5. Double-headed screw; 6. Wire; 7. Pin hole; 8. Slot hole; 9. Strain gauge. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-5 The utility model provides an embodiment: a steel box beam matching part with adjustable spacing, comprising an angle steel seat 2, a stud screw 5 is sleeved on the inner wall of the angle steel seat 2, a slot hole 8 is opened on the outer wall of one side of the stud screw 5, a strain gauge 9 is fixedly connected to the inner wall of one side of the slot hole 8, and a wire 6 is fixedly connected to one end of the strain gauge 9; a pin hole 7 is opened on the outer wall of one side of the angle steel seat 2, and the stud screw 5 is sleeved in the pin hole 7, and the pin hole 7 is used to install the stud screw 5; a nut 4 is provided on the outer wall of one side of the angle steel seat 2, and the stud screw 5 is sleeved in the nut 4, and the nut 4 is used to fix the stud screw 5; a steel box beam 1 is fixedly connected to the outer wall of one side of the angle steel seat 2; a stiffening plate 3 is fixedly connected to the outer wall of one side of the angle steel seat 2, and the stiffening plate 3 is used to enhance the connection ability of the angle steel seat 2.

[0020] Working principle: When assembling and using the utility model to butt joint steel box girders, first assemble the matching parts, fix the angle steel seat 2 on the steel box girder 1 to be butt jointed, the angle steel seat 2 is located at the edge of the end of the steel box girder 1, and is connected by welding. A stiffening plate 3 is welded on the angle steel seat 2 to enhance the connection ability of the angle steel seat 2. A number of corresponding pin holes 7 are opened on the angle steel seat 2. The double-headed screw rods 5 are inserted into the corresponding pin holes 7 on the angle steel seat 2 to connect the angle steel seat 2. The nuts 4 are located on both sides of the angle steel seat 2. Through the double-headed screw rods 5 is locked, a slot hole 8 is opened in the middle of the double-headed screw 5, a strain gauge 9 is arranged in the slot hole 8, and the strain gauge 9 is connected to the wire 6, so that the stress in the double-headed screw 5 can be transmitted to the strain box to record the stress in real time. After the assembly is completed, the steel box girder 1 is connected by adjusting the locking degree of the nut 4, and the wire 6 can extend from the slot hole 8 in the double-headed screw 5 to connect with the external strain box, and collect the data on the strain box to calculate and analyze the size of the residual stress, and process it to prevent the structure of the steel box girder 1 from being damaged.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0023] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A steel box beam matching component with adjustable spacing, comprising an angle steel seat (2), characterized in that: A double-headed screw (5) is sleeved on the inner wall of the angle steel seat (2), a slot hole (8) is provided on one side outer wall of the double-headed screw (5), a strain gauge (9) is fixedly connected to one side inner wall of the slot hole (8), and a wire (6) is fixedly connected to one end of the strain gauge (9), a pin hole (7) is provided on one side outer wall of the angle steel seat (2), and the double-headed screw (5) is sleeved in the pin hole (7), and a nut (4) is provided on one side outer wall of the angle steel seat (2), and the double-headed screw (5) is sleeved in the nut (4).

2. The steel box beam matching component with adjustable spacing according to claim 1, characterized in that: A stiffening plate (3) is fixedly connected to an outer wall of one side of the angle steel seat (2).

3. The steel box beam matching member with adjustable spacing according to claim 1, characterized in that: A steel box beam (1) is fixedly connected to an outer wall on one side of the angle steel seat (2).

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