Steel structure truss

Abstract

The utility model discloses a steel structure truss which comprises a T-shaped connecting piece, a longitudinal beam and a cross beam, positioning connecting blocks are arranged at the left end, the right end and the lower end of the T-shaped connecting piece, a U-shaped sinking groove is formed in the inner surface of each positioning connecting block, and a connecting bolt is arranged on the inner side of each U-shaped sinking groove. Connecting threaded holes are formed in the upper and lower ends of the longitudinal beams and the left and right ends of the cross beams; buffering pieces are fixedly installed at the left end, the right end and the lower end of the T-shaped connecting piece, each buffering piece comprises an abutting plate, an installation plate and a buffering spring, the inner diameter size of the U-shaped sinking groove is one-point two to one-point four times of the outer diameter size of the connecting bolt, and the connecting bolt slides on the inner side of the U-shaped sinking groove. According to the utility model, the length of the steel structure truss can be conveniently adjusted, the building precision and quality can be guaranteed, meanwhile, the use of constructors is facilitated, the structure is simple, the performance is excellent, the manufacturing cost is low, and the market popularization is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of trusses, in particular to a steel structure truss. Background Art

[0002] In various engineering structures, a special steel system is widely used. They are structures with unchanged geometric shape formed by some short and straight steel rods connected to each other at the ends (riveted or welded). When the connection between the steel rods can be approximately regarded as a hinge constraint, this rod system structure is called a truss. For example, bridges, roof trusses, TV towers and crane racks.

[0003] At present, trusses mainly include a variety of different modular truss components or elements, which are usually rigid structures and are used for building objects. However, during the construction of existing steel structure trusses, the length of the steel structure trusses is often adjusted according to site requirements, and traditional steel structure trusses are usually bolted or welded, which makes it difficult to adjust the steel structure trusses in the length direction. In addition, when heavy steel structure trusses are hoisted and constructed, they are easily deformed due to the large impact force, which affects the accuracy and quality of the steel structure truss construction. For this reason, we propose a steel structure truss. Utility Model Content

[0004] The utility model aims to provide a steel structure truss, which has the advantages of convenient length adjustment of the steel structure truss and guaranteed construction accuracy and quality, and solves the problem that in the existing steel structure truss construction process, the length of the steel structure truss is often adjusted according to site needs, and the traditional steel structure truss is usually connected by bolts or welding, which makes it difficult to adjust the steel structure truss in the length direction, and when the heavy steel structure truss is hoisted and constructed, it is easy to cause the constructed truss structure to deform due to the large impact force, which affects the construction accuracy and quality of the steel structure truss.

[0005] To achieve the above object, the utility model provides the following technical solutions: a steel structure truss, comprising a T-shaped connector, a longitudinal beam and a transverse beam, the left and right ends and the lower end of the T-shaped connector are both provided with positioning connection blocks, the inner surface of the positioning connection block is provided with a U-shaped recessed groove, the inner side of the U-shaped recessed groove is provided with a connecting bolt, the upper and lower ends of the longitudinal beam and the left and right ends of the transverse beam are both provided with connecting threaded holes;

[0006] The left and right ends and the lower end of the T-shaped connector are fixedly mounted with buffer components, and the buffer components include a resisting plate, a mounting plate and a buffer spring.

[0007] Preferably, both ends of the U-shaped groove are arc-shaped, the diameter of the arc at the end of the U-shaped groove is 1.2 to 1.4 times the outer diameter of the connecting bolt, and the connecting bolt slides on the inner side of the U-shaped groove.

[0008] Preferably, the inner length of the U-shaped sink is between two and six times the center distance between two adjacent connecting threaded holes, and the number of the connecting threaded holes is multiple.

[0009] Preferably, the connecting threaded hole and the connecting bolt are matched, and one end of the connecting bolt is threadedly connected to the inner side of the connecting threaded hole.

[0010] Preferably, the left and right ends of the T-shaped connector are fixedly mounted with cross beams via a buffer and a positioning connection block, and the lower end of the T-shaped connector is fixedly mounted with a longitudinal beam via a buffer and a positioning connection block.

[0011] Preferably, the mounting plate is fixedly mounted on the left and right ends and the lower end of the T-shaped connector, the buffer springs are multiple in number and are symmetrically fixedly connected to the side of the mounting plate away from the T-shaped connector, and the resistance plate is fixedly connected to the end of the buffer spring away from the mounting plate.

[0012] Preferably, the number of the positioning connection blocks is six, and the positioning connection blocks are respectively adapted to the longitudinal beam and the transverse beam. At the same time, two positioning connection blocks form a group, and an arc-shaped guide portion is correspondingly provided at one end of the positioning connection block away from the T-shaped connector.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model can, when the connecting bolts are threadedly connected through the U-shaped groove and the connecting threaded hole, enable the longitudinal beam and the cross beam to have a certain range of movement in the length direction thereof through the setting of the U-shaped groove, and can be used to adjust the length of the steel structure truss according to site needs, thereby realizing the rapid erection of the longitudinal beam and the cross beam, facilitating the use of construction personnel, and having a simple structure and good practicality.

[0015] 2. The utility model can play the role of guiding and limiting when the longitudinal beams and the cross beams are erected through the arrangement of the buffer parts and the arc-shaped guide parts, and can play the role of buffering and isolating the large impact force generated by the hoisting and erection of the longitudinal beams and the cross beams, and ensures the strength and stability of the steel structure truss after erection. It has excellent performance, low production cost, and is conducive to market promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the T-shaped connector of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the positioning connection block of the utility model;

[0019] Figure 4 This is a schematic diagram of the beam structure of the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the buffer component of the utility model.

[0021] In the figure: 1. T-shaped connecting piece; 2. buffer piece; 201. contact plate; 202. mounting plate; 203. buffer spring; 3. positioning connecting block; 4. longitudinal beam; 5. cross beam; 6. U-shaped sink groove; 7. connecting bolt; 8. arc-shaped guide part; 9. connecting threaded hole. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0023] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" 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 an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] The T-shaped connector 1, buffer 2, abutment plate 201, mounting plate 202, buffer spring 203, positioning connection block 3, longitudinal beam 4, cross beam 5, U-shaped recessed groove 6, connecting bolt 7, arc-shaped guide portion 8 and connecting threaded hole 9 of the present application are all universal standard parts or parts known to technical personnel in this field, and their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods.

[0026] Embodiment 1

[0027] See also Figure 1-Figure 4 As shown, the utility model provides a technical solution: a steel structure truss, including a T-shaped connector 1, a longitudinal beam 4 and a cross beam 5, the left and right ends and the lower end of the T-shaped connector 1 are provided with positioning connection blocks 3, the inner surface of the positioning connection block 3 is provided with a U-shaped sinking groove 6, the inner side of the U-shaped sinking groove 6 is provided with a connecting bolt 7, and the upper and lower ends of the longitudinal beam 4 and the left and right ends of the cross beam 5 are provided with connecting threaded holes 9;

[0028] The inner ends of the U-shaped groove 6 are both arc-shaped, and the diameter of the arc at the end of the U-shaped groove 6 is 1.2 to 1.4 times the outer diameter of the connecting bolt 7, and the connecting bolt 7 slides on the inner side of the U-shaped groove 6; the inner length of the U-shaped groove 6 is between two and six times the center distance between two adjacent connecting threaded holes 9, and the number of the connecting threaded holes 9 is multiple;

[0029] Through the above technical solution Figure 1-Figure 4 As shown, by providing the U-shaped sink groove 6, the longitudinal beam 4 and the transverse beam 5 can have a certain range of movement in the length direction when they are locked and positioned, so that the length of the steel structure truss can be adjusted according to site requirements.

[0030] The connecting threaded hole 9 is matched with the connecting bolt 7 , and one end of the connecting bolt 7 is threadedly connected to the inner side of the connecting threaded hole 9 .

[0031] Through the above technical solution Figure 1-Figure 4 As shown, after the connecting bolts 7 are threadedly connected through the U-shaped recessed grooves 6 and the connecting threaded holes 9 and are tightened, the longitudinal beams 4 and the cross beams 5 can be quickly erected.

[0032] The technical solution is arranged that when the connecting bolt 7 is threadedly connected through the U-shaped groove 6 and the connecting threaded hole 9, the setting of the U-shaped groove 6 can enable the longitudinal beam 4 and the cross beam 5 to have a certain range of movement in the length direction thereof, and can be used to adjust the length of the steel structure truss according to site requirements, thereby realizing the rapid construction of the longitudinal beam 4 and the cross beam 5.

[0033] Embodiment 2

[0034] On the basis of embodiment 1, the present invention is as follows Figure 1-Figure 5As shown, a buffer member 2 is fixedly installed at both left and right ends and the lower end of the T-shaped connector 1, and the buffer member 2 includes a contact plate 201, a mounting plate 202 and a buffer spring 203;

[0035] The left and right ends of the T-shaped connector 1 are fixedly mounted with a crossbeam 5 through a buffer 2 and a positioning connection block 3, and the lower end of the T-shaped connector 1 is fixedly mounted with a longitudinal beam 4 through a buffer 2 and a positioning connection block 3; the mounting plate 202 is fixedly mounted on the left and right ends and the lower end of the T-shaped connector 1, the number of the buffer springs 203 is multiple, and they are symmetrically fixedly connected to the side of the mounting plate 202 away from the T-shaped connector 1, and the contact plate 201 is fixedly connected to the end of the buffer spring 203 away from the mounting plate 202;

[0036] Through the above technical solution Figure 1-Figure 5 As shown, by setting the buffer member 2, it can buffer and isolate the larger impact force generated during hoisting and construction, thereby avoiding deformation of the constructed truss structure due to the larger impact force, which affects the construction accuracy and quality of the steel structure truss.

[0037] There are six positioning connection blocks 3, and the positioning connection blocks 3 are respectively matched with the longitudinal beam 4 and the cross beam 5. At the same time, two positioning connection blocks 3 form a group, and an arc-shaped guide portion 8 is correspondingly provided at the end of the positioning connection block 3 away from the T-shaped connector 1.

[0038] Through the above technical solution Figure 2-Figure 3 As shown, by setting the arc-shaped guide part 8, it can play the role of guiding and limiting when the longitudinal beam 4 and the cross beam 5 are erected, thereby improving the erection speed of the steel structure truss and ensuring the strength and stability of the steel structure truss after erection.

[0039] This technical solution adopts the setting of the buffer part 2 and the arc-shaped guide part 8, which can play the role of guiding and limiting when the longitudinal beam 4 and the cross beam 5 are erected, and can buffer and isolate the large impact force generated by the hoisting and erection of the longitudinal beam 4 and the cross beam 5, and ensure the strength and stability of the steel structure truss after erection.

[0040] Working principle: The buffer 2 and the arc-shaped guide part 8 are arranged to play the role of guiding and limiting when the longitudinal beam 4 and the cross beam 5 are erected, and to buffer and isolate the large impact force generated by the hoisting and erection of the longitudinal beam 4 and the cross beam 5. When the connecting bolt 7 is threadedly connected through the U-shaped groove 6 and the connecting threaded hole 9, the U-shaped groove 6 can be arranged to enable the longitudinal beam 4 and the cross beam 5 to have a certain range of movement in the length direction thereof, and can be used to adjust the length of the steel structure truss according to the needs of the site, thereby realizing the rapid erection of the longitudinal beam 4 and the cross beam 5.

[0041] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and ratio of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), installation arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0042] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A steel structure truss, comprising a T-shaped connector (1), a longitudinal beam (4) and a transverse beam (5), wherein the left and right ends and the lower end of the T-shaped connector (1) are both provided with positioning connection blocks (3), the inner surface of the positioning connection block (3) is provided with a U-shaped recessed groove (6), the inner side of the U-shaped recessed groove (6) is provided with a connecting bolt (7), and the upper and lower ends of the longitudinal beam (4) and the left and right ends of the transverse beam (5) are both provided with connecting threaded holes (9); Features: The left and right ends and the lower end of the T-shaped connecting piece (1) are both fixedly mounted with a buffer piece (2), and the buffer piece (2) comprises a contact plate (201), a mounting plate (202) and a buffer spring (203).

2. A steel structure truss according to claim 1, characterized in that: Both ends of the U-shaped groove (6) are arc-shaped, and the diameter of the arc at the end of the U-shaped groove (6) is 1.2 to 1.4 times the outer diameter of the connecting bolt (7), and the connecting bolt (7) slides on the inner side of the U-shaped groove (6).

3. The steel structure truss according to claim 1, characterized in that: The inner length of the U-shaped sink groove (6) is between two and six times the center distance between two adjacent connecting threaded holes (9), and the number of the connecting threaded holes (9) is multiple.

4. The steel structure truss according to claim 1, characterized in that: The connecting threaded hole (9) is matched with the connecting bolt (7), and one end of the connecting bolt (7) is threadedly connected to the inner side of the connecting threaded hole (9).

5. The steel structure truss according to claim 1, characterized in that: The left and right ends of the T-shaped connector (1) are both fixedly mounted with a cross beam (5) via a buffer (2) and a positioning connector block (3), and the lower end of the T-shaped connector (1) is fixedly mounted with a longitudinal beam (4) via a buffer (2) and a positioning connector block (3).

6. The steel structure truss according to claim 1, characterized in that: The mounting plate (202) is fixedly mounted on the left and right ends and the lower end of the T-shaped connector (1); the buffer springs (203) are multiple in number and are symmetrically fixedly connected to the side of the mounting plate (202) away from the T-shaped connector (1); and the contact plate (201) is fixedly connected to the end of the buffer spring (203) away from the mounting plate (202).

7. The steel structure truss according to claim 1, characterized in that: The number of the positioning connection blocks (3) is six, and the positioning connection blocks (3) are respectively adapted to the longitudinal beam (4) and the transverse beam (5). At the same time, two positioning connection blocks (3) form a group, and an arc-shaped guide portion (8) is correspondingly provided at one end of the positioning connection block (3) away from the T-shaped connection piece (1).

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