CN213509139U

CN213509139U - Double-deck steel truss structure of assembly type structure

Info

Publication number: CN213509139U
Application number: CN202021779965.2U
Authority: CN
Inventors: 江玉龙
Original assignee: CRECGZ Municipal and Environmental Protection Engineering Co Ltd
Current assignee: CRECGZ Municipal and Environmental Protection Engineering Co Ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-06-22
Anticipated expiration: 2030-08-24

Abstract

The utility model discloses a double-deck steel truss structure of assembly type structure relates to truss structure technical field, including first steel truss, first steel truss below is equipped with the second steel truss, the first inserted block of bottom fixedly connected with of first steel truss, first recess has been seted up to the bottom of first steel truss, the top fixedly connected with second inserted block of second steel truss, the second recess has been seted up on the top of second steel truss, first inserted block and second recess, second inserted block and first recess swing joint, the counter bore has all been seted up with one side of second steel truss to first steel truss, the inside swing joint of counter bore has the fixed pin. This double-deck steel truss structure of assembly type structure sets up through cooperation between first steel truss, second steel truss, last connecting block and the lower connecting block, has solved the problem that is difficult to dismantle the assembly, has improved work efficiency, has improved the portability of device, has improved the practicality, makes truss structure modularization.

Description

Double-deck steel truss structure of assembly type structure

Technical Field

The utility model relates to a truss technical field specifically is a double-deck steel truss structure of assembly type structure.

Background

With the development of national economy, building truss structures are widely applied to buildings, truss in the truss structures refers to truss beams, and is a lattice beam type structure, which is mostly used for roof structures of buildings, and the truss is also commonly called a roof truss, and now with the development of industry, building construction can be completed like machine production by making building components, and then the building components are transported to a construction site to be assembled.

In chinese utility model patent application no: CN201821466506.1 discloses an assembled building truss, including tee bend sleeve pipe, horizontal pole, montant, sealing member and locking Assembly, the horizontal pole runs through tee bend sleeve pipe, and the montant is inserted tee bend sheathed tube inside by the sheathed tube upper end mouth of pipe, and horizontal pole and montant form the cavity that is used for filling the mortar respectively with tee bend sheathed tube inner wall, and the sheathed tube mouth of pipe department of tee bend is equipped with the sealing member. This assembly type building truss fills the mortar through the cavity that forms between horizontal pole, montant and the tee bend sleeve pipe, makes truss stable in structure, but is difficult to dismantle the assembly, and difficult flexible lift.

Therefore, it is necessary to provide a fabricated building double-layered steel truss structure to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide a double-deck steel truss structure of assembly type structure to current building truss structure who proposes in solving above-mentioned background art is difficult to dismantle the assembly, the difficult problem of flexible lift.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a double-layer steel truss structure of an assembly type building comprises a first steel truss, wherein a second steel truss is arranged below the first steel truss, a first insert block is fixedly connected to the bottom end of the first steel truss, a first groove is formed in the bottom end of the first steel truss, a second insert block is fixedly connected to the top end of the second steel truss, a second groove is formed in the top end of the second steel truss, the first insert block and the second groove are movably connected, counter bores are formed in one sides of the first steel truss and the second steel truss, fixing pins are movably connected inside the counter bores, an upper connecting block is fixedly connected to one side of the first steel truss, a lower connecting block is fixedly connected to the side of the second steel truss, away from the upper connecting block, slide rails are fixedly connected to two sides of the top end of the first steel truss, and slide blocks are movably connected to the inner sides of the slide rails, the inside swing joint of slider has the fixed block, the top fixedly connected with top steel truss girder of fixed block, the first telescopic link of one side fixedly connected with of slider, the other end fixedly connected with fixing base of first telescopic link, the top fixedly connected with second telescopic link of fixing base.

Preferably, there are a plurality of first inserted blocks and first recess, and a plurality of first inserted blocks and first recess are equidistant linear arrangement.

Preferably, the top end of the upper connecting block is provided with an upper groove, the bottom end of the lower connecting block is provided with a lower groove, and the upper groove and the lower groove are both movably connected with connecting bolts.

Preferably, two the top steel truss roof beam is triangle-shaped, the top both sides swing joint of fixing base has fixing bolt, the top swing joint of second telescopic link has the pivot, two the top steel truss roof beam all with pivot swing joint.

Preferably, the bottom end of the first steel truss is fixedly connected with a damping layer, the top end of the second steel truss is fixedly connected with a damping layer, and the damping layer is fixedly connected with a spring inside.

Preferably, the spring has a plurality of springs, and the plurality of springs are linearly arranged at equal intervals.

Preferably, the two sides of the bottom end of the second steel truss are fixedly connected with sliding rails.

(III) advantageous effects

Compared with the prior art, the utility model provides a double-deck steel truss structure of assembly type structure possesses following beneficial effect:

1. this double-deck steel truss structure of assembly type structure sets up through cooperation between first steel truss, second steel truss, last connecting block and the lower connecting block, has solved the problem that is difficult to dismantle the assembly, has improved work efficiency, has improved the portability of device, has improved the practicality, makes truss structure modularization.

2. This double-deck steel truss structure of assembly type structure sets up through the cooperation between first telescopic link, second telescopic link, top steel truss roof beam and the fixing base, has solved the problem of difficult flexible lift, has improved truss structure's flexibility and practicality, has avoided highly needing to change inadequately.

Drawings

FIG. 1 is a schematic sectional view of the structure of the present invention;

fig. 2 is a schematic top sectional view of a first insert structure of the present invention;

fig. 3 is a schematic front sectional view of the upper connecting block structure of the present invention;

fig. 4 is a schematic side view of a first steel truss structure according to the present invention.

In the figure: 1. a rotating shaft; 3. a fixed block; 4. a slider; 5. a lower connecting block; 6. a slide rail; 7. a second telescopic rod; 8. a top steel truss girder; 9. fixing the bolt; 10. a fixed seat; 11. an upper groove; 12. a connecting bolt; 13. a first steel truss; 14. a second steel truss; 15. an upper connecting block; 16. a first groove; 17. a fixing pin; 18. a second insert block; 19. a counter bore; 20. a spring; 21. a shock-absorbing layer; 22. a first insert block; 23. a second groove; 24. a lower groove; 25. a first telescopic rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, an assembly type building double-layer steel truss structure includes a first steel truss 13, a shock-absorbing layer 21 fixedly connected to a bottom end of the first steel truss 13, a shock-absorbing layer 21 fixedly connected to a top end of the second steel truss 14, a plurality of springs 20 fixedly connected to an inside of the shock-absorbing layer 21, a plurality of springs 20 arranged in an equidistant linear manner, a second steel truss 14 disposed below the first steel truss 13, slide rails 6 fixedly connected to both sides of a bottom end of the second steel truss 14, a first insert 22 fixedly connected to a bottom end of the first steel truss 13, a plurality of first inserts 22 and first grooves 16, a plurality of first inserts 22 arranged in an equidistant linear manner with the first grooves 16, a first groove 16 formed at a bottom end of the first steel truss 13, a second insert 18 fixedly connected to a top end of the second steel truss 14, a second groove 23 formed at a top end of the second steel truss 14, a first insert block 22 and a second groove 23, a second insert block 18 is movably connected with a first groove 16, counterbores 19 are respectively arranged at one side of a first steel truss 13 and one side of a second steel truss 14, a fixing pin 17 is movably connected inside the counterbores 19, an upper connecting block 15 is fixedly connected with one side of the first steel truss 13, an upper groove 11 is arranged at the top end of the upper connecting block 15, a lower groove 24 is arranged at the bottom end of the lower connecting block 5, connecting bolts 12 are respectively and movably connected with the upper groove 11 and the lower groove 24, a lower connecting block 5 is fixedly connected with one side of the second steel truss 14 far away from the upper connecting block 15, the first steel truss 13 and the second steel truss 14 are aligned up and down through the first steel truss 13, then the first insert block 22 is inserted into the second groove 23, the second insert block 18 is dismounted into the first groove 16, the first steel truss 13 and the second steel truss 14 form a double layer, then the fixing pin 17 penetrates through the counterbores 19 to fix the second insert block 18 and, the first insert block 22 is fixed with the second steel truss 14, the first insert block 22 and the second insert block 18 are fixed by a fixing pin 17 without displacement, then the fixing bolt 9 is taken down to separate the top steel truss beam 8 from the first steel truss 13, then the fixing pin 17 is taken down to separate the first steel truss 13 from the second steel truss 14, if the lengthened truss is connected, the lengthened framework can be separated by taking down the connecting bolt 12, the load borne by the steel truss can be protected by a spring 20 in a damping layer 21 to reduce buffering, the problem of difficult disassembly and assembly is solved, the working efficiency is improved, the portability of the device is improved, the practicability is improved, the truss structure is modularized, the two sides of the top end of the first steel truss 13 are fixedly connected with the sliding rails 6, the inner sides of the sliding rails 6 are movably connected with the sliding blocks 4, the inner parts of the sliding blocks 4 are movably connected with the fixing blocks 3, the top ends of the fixing blocks 3 are fixedly connected with the top steel truss beams 8, two top steel truss girders 8 are triangular, both sides of the top end of a fixed seat 10 are movably connected with a fixed bolt 9, the top end of a second telescopic rod 7 is movably connected with a rotating shaft 1, both the two top steel truss girders 8 are movably connected with the rotating shaft 1, one side of a sliding block 4 is fixedly connected with a first telescopic rod 25, the other end of the first telescopic rod 25 is fixedly connected with the fixed seat 10, the top end of the fixed seat 10 is fixedly connected with a second telescopic rod 7, when the steel truss needs to be lengthened, an upper connecting block 15 and a lower connecting block 5 are fixed through a connecting bolt 12, so that the steel truss can be lengthened, the top steel truss girders 8 are driven to lift through the first telescopic rod 25 and the second telescopic rod 7 horizontally stretch, the top steel truss girders 8 can be lifted and retracted by utilizing the rotating shaft 1, the sliding block 4 and a sliding rail 6, so as to reduce and raise the problem of difficult telescopic lifting, and improve, avoiding the need for replacement due to insufficient height.

The working principle is as follows: firstly, aligning a first steel truss 13 and a second steel truss 14 up and down, then inserting a first insert block 22 into a second groove 23, detaching a second insert block 18 into a first groove 16, so that the first steel truss 13 and the second steel truss 14 form a double layer, fixing the second insert block 18 and the first steel truss 13 by using a fixing pin 17 to pass through a counter bore 19, fixing the first insert block 22 and the second steel truss 14, fixing the first insert block 22 and the second insert block 18 by using the fixing pin 17 without displacement, fixing an upper connecting block 15 and a lower connecting block 5 by using a connecting bolt 12 when the steel truss needs to be lengthened, namely lengthening the steel truss, driving a top steel truss beam 8 to lift and horizontally stretch by using a first telescopic rod 25, and using a rotating shaft 1, a sliding block 4 and a sliding rail 6 to enable the top steel truss beam 8 to stretch and lift so as to lower and lift, when detaching is needed, the fixing bolt 9 is firstly taken down to separate the top steel truss girder 8 from the first steel truss 13, then the fixing bolt 17 is taken down to separate the first steel truss 13 from the second steel truss 14, if the lengthened truss is connected, the lengthened framework can be separated by taking down the connecting bolt 12, and the spring 20 in the shock absorption layer 21 can protect the load borne by the steel truss and reduce the buffer.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a double-deck steel truss structure of prefabricated building, includes first steel truss (13), its characterized in that: a second steel truss (14) is arranged below the first steel truss (13), a first insert block (22) is fixedly connected to the bottom end of the first steel truss (13), a first groove (16) is formed in the bottom end of the first steel truss (13), a second insert block (18) is fixedly connected to the top end of the second steel truss (14), a second groove (23) is formed in the top end of the second steel truss (14), the first insert block (22) and the second groove (23) are connected, the second insert block (18) is movably connected with the first groove (16), counter bores (19) are formed in one sides of the first steel truss (13) and the second steel truss (14), a fixing pin (17) is movably connected to the inside of each counter bore (19), an upper connecting block (15) is fixedly connected to one side of the first steel truss (13), a lower connecting block (5) is fixedly connected to one side of the second steel truss (14) far away from the upper connecting block (15), the equal fixedly connected with slide rail (6) in top both sides of first steel truss (13), the inboard swing joint of slide rail (6) has slider (4), the inside swing joint of slider (4) has fixed block (3), the top fixedly connected with top steel truss roof beam (8) of fixed block (3), the first telescopic link of one side fixedly connected with (25) of slider (4), the other end fixedly connected with fixing base (10) of first telescopic link (25), the top fixedly connected with second telescopic link (7) of fixing base (10).

2. The fabricated building double-layered steel truss structure according to claim 1, wherein: the first inserting blocks (22) and the first grooves (16) are multiple, and the first inserting blocks (22) and the first grooves (16) are linearly arranged at equal intervals.

3. The fabricated building double-layered steel truss structure according to claim 1, wherein: an upper groove (11) is formed in the top end of the upper connecting block (15), a lower groove (24) is formed in the bottom end of the lower connecting block (5), and the upper groove (11) and the lower groove (24) are both movably connected with a connecting bolt (12).

4. The fabricated building double-layered steel truss structure according to claim 1, wherein: two top steel truss roof beam (8) are triangle-shaped, the top both sides swing joint of fixing base (10) has fixing bolt (9), the top swing joint of second telescopic link (7) has pivot (1), two top steel truss roof beam (8) all with pivot (1) swing joint.

5. The fabricated building double-layered steel truss structure according to claim 1, wherein: the bottom end of the first steel truss (13) is fixedly connected with a damping layer (21), the top end of the second steel truss (14) is fixedly connected with a damping layer (21), and the inside of the damping layer (21) is fixedly connected with a spring (20).

6. The fabricated building double-layered steel truss structure of claim 5, wherein: the spring (20) is provided with a plurality of springs (20), and the springs (20) are linearly arranged at equal intervals.

7. The fabricated building double-layered steel truss structure according to claim 1, wherein: and two sides of the bottom end of the second steel truss (14) are fixedly connected with sliding rails (6).