Building roof truss

Abstract

The utility model provides a building roof truss which comprises supporting vertical rods, a first supporting truss, a second supporting truss, truss connecting seats and a connection reinforcing truss, the supporting vertical rods are parallel to each other, the truss connecting seats are fixedly installed at the outer ends of the first supporting truss and the second supporting truss, and the truss connecting seats are fixedly installed at the outer ends of the first supporting truss and the second supporting truss. The outer ends of the first supporting truss and the second supporting truss are fixedly installed on the inner sides of the two sets of supporting vertical rods through truss connecting bases. The connection reinforcing truss is installed between the first supporting truss and the second supporting truss in a sliding mode. Due to the arrangement of the supporting vertical rods and the connection reinforcing trusses, the mechanical bearing capacity is high, the overall anti-seismic capacity is high, and errors generated in the construction process are small.

Description

TECHNICAL FIELD

[0001] The utility model relates to truss technical field especially relates to a kind of building roof truss. BACKGROUND

[0002] Truss structure, as important bearing system in building field, is by straight pole through node connection and is made into lattice type force system, and its basic principle is to transform load into the axial force of bar by the combination of triangular stable unit, so as to give full play to material strength advantage.Structure form such as steel truss, space truss commonly seen in modern engineering, with the characteristics of light weight, large span, flexible modeling, has been widely used in large space buildings such as gymnasium, airport terminal building, industrial plant.

[0003] However, the existing truss technology still has the following outstanding defects in practical application: mechanical property limitation: traditional truss adopts statically determinate structure design, and load transmission path is single; Seismic adaptability is insufficient: current seismic design relies on increasing component section, which increases the structure weight by 35%; Construction precision defect: size cumulative error during on-site installation is difficult to eliminate.

[0004] Therefore, it is very necessary to invent a kind of building roof truss. SUMMARY

[0005] In order to solve the above technical problems, the utility model provides a kind of building roof truss to solve the problem that the existing truss structure still has poor mechanical bearing capacity, poor overall seismic capacity and prone to error in construction.A kind of building roof truss, including support vertical pole, first support truss, second support truss, truss connecting seat and link strengthening truss, wherein: support vertical pole is parallel to each other, and the outer end of first support truss and second support truss is fixedly installed with truss connecting seat, and the outer end of the first support truss and the second support truss is fixedly installed in the inner side of two groups of support vertical pole through truss connecting seat;The link strengthening truss is slidably installed between first support truss and second support truss.

[0006] Supporting crossbeam is fixedly installed in the middle position of the inner side of support vertical pole, and the two groups of support vertical pole are connected together by supporting crossbeam.

[0007] Support vertical pole includes vertical pole, upper end connecting seat and lower end connecting seat, and the upper end connecting seat is fixedly installed in the top end of the inner side of vertical pole, and truss connecting seat is fixedly installed in it;The lower end connecting seat is fixedly installed in the middle position of the inner side of vertical pole, and supporting crossbeam is fixedly installed in it.

[0008] First pull rod and second pull rod are fixedly installed in the upper and lower ends of the inner side of vertical pole.

[0009] The connecting reinforced truss comprises a lower chord, reinforced inclined rods, an upper chord and compensation bases, the reinforced inclined rods are fixedly installed between the lower chord and the upper chord, the two ends of the lower chord and the upper chord are fixedly installed with the compensation bases, and the compensation bases are slidably installed at the inner ends of the first support truss and the second support truss and are fixed through bolts.

[0010] The lower end of the reinforced pull rod is fixedly installed in the inner portion of the support cross beam.

[0011] The support vertical rods adopt two groups which are parallel to each other, the upper end connecting seat and the lower end connecting seat adopt two pairs of steel metal seats, the first pull rod and the second front pull rod adopt two groups of steel metal rods which are parallel to each other, the two ends of the first pull rod and the second front pull rod are provided with threads, the threaded rods at the two ends of the first pull rod and the second front pull rod penetrate the vertical rods, and the two ends of the first pull rod and the second front pull rod are provided with inward pulling force through nuts.

[0012] The connecting reinforced truss, the first support truss and the second support truss jointly form an arched support structure, the connecting reinforced truss can generate downward pressure through the reinforced pull rod, the connecting reinforced truss exerts pressure on the first support truss and the second support truss through the downward pressure, and the first support truss and the second support truss also exert horizontal thrust on the connecting reinforced truss, the compensation bases adopt a pair of hard rubber blocks, the compensation bases are deformed after being pressed, the compensation bases are provided with connecting holes in the inner portions, and the two ends of the connecting reinforced truss, the first support truss and the second support truss are connected into an integrated whole through bolts and nuts.

[0013] Compared with the prior art, the connecting reinforced truss has the following beneficial effects:

[0014] 1. The support vertical rods are used as the core load-bearing component of the roof truss system and mainly undertake three functions, that is, as a vertical support main body, connecting the truss connecting seat and the support cross beam through the upper end connecting seat and the lower end connecting seat to form a stable rigid frame, generating pulling force through the first pull rod and the second front pull rod to enhance the overall anti-deformation capacity, and as a mechanical conduction center to transmit the horizontal thrust generated by the connecting reinforced truss to the foundation to realize efficient distribution of the pressure of the arched structure.

[0015] 2. The utility model discloses a reinforced truss connection setting, through its sliding connection structure and elastic compensation mechanism, the vertical pressure of reinforced pull rod is converted into horizontal thrust and is transmitted to first support truss and second support truss, and simultaneously with the aid of the elastic deformation of compensation base, load impact is absorbed and construction error is adjusted, and then the triangular stable unit that lower chord, upper chord and reinforced inclined rod constitute ensures structural rigidity and improves overall seismic performance and construction convenience, realizes the efficient stress of large-span roof structure and optimization construction. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structural schematic diagram of the utility model.

[0017] Figure 2 It is the A place enlarged view of the utility model.

[0018] Figure 3 It is the B place enlarged view of the utility model.

[0019] Figure 4 It is the position relation schematic diagram of the first pull rod and reinforced pull rod of the utility model.

[0020] In the drawing:

[0021] Support vertical pole 1, support crossbeam 2, first support truss 3, second support truss 4, truss connecting seat 5, connection reinforced truss 6, vertical rod 11, upper end connecting seat 12, lower end connecting seat 13, first pull rod 14, second front pull rod 15, lower chord 61, reinforced inclined rod 62, upper chord 63, compensation base 64, reinforced pull rod 65. DETAILED DESCRIPTION

[0022] In order to make the personnel in the technical field better understand the utility model scheme, the technical scheme in the embodiment of the utility model will be described clearly and completely below, obviously, the described embodiment only is a part of the embodiment of the utility model, but not all. Based on the embodiment in the utility model, all other embodiments that the person skilled in the art obtains without making creative labor should belong to the scope of protection of the utility model.

[0023] As shown in the accompanying Figure 1 To the accompanying Figure 4 As shown.

[0024] The utility model provides a kind of building roof truss, including support vertical pole 1, first support truss 3, second support truss 4, truss connecting seat 5 and link-up reinforcing truss 6, wherein: support vertical pole 1 between each other parallel, and the outer end of first support truss 3 and second support truss 4 are fixedly installed with truss connecting seat 5, and the outer end of this first support truss 3 and second support truss 4 are fixedly installed in the inside of two groups of support vertical pole 1 by truss connecting seat 5;The link-up reinforcing truss 6 is slidably installed between first support truss 3 and second support truss 4.

[0025] Supporting crossbeam 2 is fixedly installed in the middle position of the inside of support vertical pole 1, and support vertical pole 1 is connected together by supporting crossbeam 2.

[0026] Support vertical pole 1 includes vertical pole 11, upper end connecting seat 12 and lower end connecting seat 13, and upper end connecting seat 12 is fixedly installed in the top of the inside of vertical pole 11, and truss connecting seat 5 is fixedly installed in its inside;The lower end connecting seat 13 is fixedly installed in the middle position of the inside of vertical pole 11, and supporting crossbeam 2 is fixedly installed in its inside.

[0027] First pull rod 14 and second front pull rod 15 are fixedly installed in the upper and lower ends of the inside of vertical pole 11.

[0028] Link-up reinforcing truss 6 includes lower chord 61, reinforcing inclined pole 62, upper chord 63 and compensation base 64, and reinforcing inclined pole 62 is fixedly installed between lower chord 61 and upper chord 63, and compensation base 64 is fixedly installed in the two ends of lower chord 61 and upper chord 63;Compensation base 64 is slidably installed in the inner end of first support truss 3 and second support truss 4, and is fixed by bolt.

[0029] Reinforcing pull rod 65 is fixedly installed below lower chord 61, and the lower end of reinforcing pull rod 65 is fixedly installed in the inside of supporting crossbeam 2.

[0030] Support vertical pole 1 adopts two groups, and each other parallel between them, and upper end connecting seat 12 and lower end connecting seat 13 adopt two pairs of steel metal seats;First pull rod 14 and second front pull rod 15 adopt two groups of steel metal rods that each other parallel, and the two ends of first pull rod 14 and second front pull rod 15 are provided with thread, and the threaded rod of the two ends of first pull rod 14 and second front pull rod 15 penetrates vertical pole 11, and makes the two ends of first pull rod 14 and second front pull rod 15 generate inward tension by nut.

[0031] The whole of the connecting and reinforcing truss 6 and the first supporting truss 3 and the second supporting truss 4 jointly form an arched supporting structure, and the whole of the connecting and reinforcing truss 6 can generate downward pressure through the reinforcing pull rod 65, the connecting and reinforcing truss 6 exerts pressure on the first supporting truss 3 and the second supporting truss 4 through its own downward pressure, and the first supporting truss 3 and the second supporting truss 4 also exert horizontal thrust on the connecting and reinforcing truss 6; the compensation base 64 adopts a pair of hard rubber blocks, and the compensation base 64 will be deformed after being compressed, the compensation base 64 is internally provided with a connecting hole, and the two ends of the connecting and reinforcing truss 6 and the first supporting truss 3 and the second supporting truss 4 are connected into an integrated whole through bolts and nuts.

[0032] The building roof truss takes two groups of parallel supporting vertical rods 1 as the main load-bearing framework, and the upper end connecting seat 12, the lower end connecting seat 13, the truss connecting seat 5 and the supporting cross beam 2 jointly form a stable frame structure. When bearing the roof load, the first supporting truss 3 and the second supporting truss 4 transmit the load to the truss connecting seat 5, and then disperse to the vertical rods 11 of the supporting vertical rods 1. In this process, the connecting and reinforcing truss 6 plays a key role, and its unique arched structure converts the vertical load into downward pressure through the reinforcing pull rod 65 and acts on the supporting cross beam 2, and simultaneously generates horizontal thrust and reacts on the first supporting truss 3 and the second supporting truss 4, forming an efficient bidirectional stress system. The first pull rod 14 and the second pull rod 15 arranged in the supporting vertical rod 1 generate continuous inward force through threaded pre-tightening, and form dynamic balance with the horizontal thrust generated by the connecting and reinforcing truss 6; the elastic deformation characteristics of the compensation base 64 can effectively absorb impact; at the same time, the lower chord 61, the upper chord 63 and the reinforcing inclined rod 62 form a stable triangular structure. The device is significantly superior to the traditional truss structure in terms of load-bearing performance, seismic capacity, construction convenience and use reliability.

[0033] The technical scheme of the utility model, or the technical scheme of the utility model inspired by the skilled person in the art, designs similar technical schemes, and achieves the above technical effects, which falls within the protection scope of the utility model.

Claims

1. A building roof truss, characterised in that: The utility model provides a support vertical pole (1), first support truss (3), second support truss (4), truss connecting seat (5) and linkage reinforcing truss (6) are included, wherein: support vertical pole (1) between each other parallel, and the outer end of first support truss (3) and second support truss (4) are fixedly installed with truss connecting seat (5), and the outer end of this first support truss (3) and second support truss (4) are fixedly installed in the inside of two groups of support vertical pole (1) through truss connecting seat (5);Linkage reinforcing truss (6) is slidably installed between first support truss (3) and second support truss (4).

2. A building roof truss as claimed in claim 1 wherein: Support crossbeam (2) is fixedly installed in the middle position of the inside of support vertical pole (1), and support crossbeam (2) connects two groups of support vertical pole (1) together.

3. A building roof truss as claimed in claim 1 wherein: Support vertical pole (1) includes vertical pole (11), upper end connecting seat (12) and lower end connecting seat (13), and upper end connecting seat (12) is fixedly installed in the top of the inside of vertical pole (11), and truss connecting seat (5) is fixedly installed in the inside thereof;Lower end connecting seat (13) is fixedly installed in the middle position of the inside of vertical pole (11), and support crossbeam (2) is fixedly installed in the inside thereof.

4. A building roof truss as claimed in claim 3 wherein: First pull rod (14) and second pull rod (15) are fixedly installed in the upper and lower ends of the inside of vertical pole (11).

5. A building roof truss as claimed in claim 1 wherein: Linkage reinforcing truss (6) includes lower chord (61), reinforcing inclined pole (62), upper chord (63) and compensation base (64), and reinforcing inclined pole (62) is fixedly installed between lower chord (61) and upper chord (63), and compensation base (64) is fixedly installed in the two ends of lower chord (61) and upper chord (63);Compensation base (64) is slidably installed in the inner end of first support truss (3) and second support truss (4) and is fixed through bolt.

6. A building roof truss as claimed in claim 5 wherein: Reinforcing pull rod (65) is fixedly installed below lower chord (61), and the lower end of reinforcing pull rod (65) is fixedly installed in the inside of support crossbeam (2).

7. A building roof truss as claimed in claim 4 wherein: Support vertical pole (1) adopts two groups, and each other parallel, and upper end connecting seat (12) and lower end connecting seat (13) adopt two pairs of steel metal seats;First pull rod (14) and second pull rod (15) adopt two groups of steel metal rods that each other parallel, and the two ends of first pull rod (14) and second pull rod (15) are provided with thread, and the threaded rod of the two ends of first pull rod (14) and second pull rod (15) penetrates vertical pole (11), and makes the two ends of first pull rod (14) and second pull rod (15) generate the inward tension of nut.

8. A building roof truss as claimed in claim 6 wherein: The connecting reinforcing truss (6) is integrally connected with the first supporting truss (3) and the second supporting truss (4) to form an arched supporting structure, and the connecting reinforcing truss (6) can generate downward pressure through the reinforcing pull rod (65), the connecting reinforcing truss (6) applies pressure to the first supporting truss (3) and the second supporting truss (4) through the downward pressure, and the first supporting truss (3) and the second supporting truss (4) also apply horizontal thrust to the connecting reinforcing truss (6); the compensation base (64) is made of a pair of hard rubber blocks, and the compensation base (64) is deformed after being compressed, the compensation base (64) is internally provided with a connecting hole, and the two ends of the connecting reinforcing truss (6) are connected with the first supporting truss (3) and the second supporting truss (4) through bolts and nuts.

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