CN211257547U

CN211257547U - Steel construction of large-scale venue box truss

Info

Publication number: CN211257547U
Application number: CN201921972704.XU
Authority: CN
Inventors: 张猛; 王继伟; 孔德福; 余刚
Original assignee: Shandong Huayi Steel Machinery Co ltd
Current assignee: Shandong Huayi Steel Machinery Co ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-08-14
Anticipated expiration: 2029-11-15

Abstract

The utility model discloses a steel construction of large-scale venue box truss, including the spring frame, the central point of backup pad bottom puts fixedly connected with piston room, and the bottom sliding connection of piston room has the piston, just is located the fixed surface of piston and is connected with piston spring between the bottom of piston room and the top of clash seat, and the bottom fixedly connected with of piston clash the seat, the utility model relates to a steel construction connection technical field. This steel construction of large-scale venue box truss rotates through the connecting rod between the front of second connection piece and third connection piece and is connected with first fixed plate, rotate through the connecting rod between the front of first connecting plate and second connecting plate and be connected with the second fixed plate, can be at the truss and drop suddenly and cause the damage to the truss at the in-process of height-adjusting effectually to prevent, the life of truss has been prolonged, the dismantlement that the spare part of messenger's truss can be free simultaneously, the transportation is made things convenient for, the practicality of device has been improved.

Description

Steel construction of large-scale venue box truss

Technical Field

The utility model relates to a technical field is connected to the steel construction, specifically is a steel construction of large-scale venue box truss.

Background

The steel structure is praised as one of 'green buildings' in twenty-first century according to the comprehensive advantages of light dead weight, good anti-seismic performance, high construction speed, small environmental pollution, reduction of excess productivity and the like, the steel yield is over hundred million tons at the current stage of China, the building area is newly increased by 20 hundred million square meters every year in cities and countryside, and the steel structure building has huge development potential as the country with the largest steel yield and building scale in the world.

Most of the trusses in the prior art are not provided with the buffer structures, however, in actual operation, the trusses can be damaged due to the fact that the trusses drop suddenly when the height is adjusted, meanwhile, parts of the trusses in the prior art, such as rod pieces and connecting pieces, are usually welded and fixed together and cannot be disassembled, the structure is not suitable for occasions needing frequent repeated disassembly and assembly, and great troubles can be caused in transportation and assembly and disassembly.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a steel construction of large-scale venue box truss has solved the truss and has not set up buffer structure, and the unable problem of dismantling of truss.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a steel structure of a large-scale venue box-type truss comprises two lower supporting frames and a spring frame, wherein the tops of the two lower supporting frames are respectively connected with an upper supporting frame in a sliding manner, the bottom of the upper supporting frame penetrates through the lower supporting frames and extends into the lower supporting frames, the bottom of the spring frame is fixedly connected with a supporting plate, a piston chamber is fixedly connected to the central position of the bottom of the supporting plate, two sides of the bottom of the supporting plate are respectively and fixedly connected with a limiting plate, one opposite end of the two limiting plates is respectively provided with a sliding groove, the inside of the sliding groove is connected with an L-shaped sliding block in a sliding manner, the bottom of the piston chamber is connected with a piston in a sliding manner, the top of the piston penetrates through the piston chamber and extends into the piston chamber, the top of the inner wall of the piston chamber is fixedly connected with an upper cushion pad, the bottom of the piston is fixedly connected with a collision, the bottom of the collision seat is fixedly connected with a lower cushion pad, and two sides of the top of the collision seat are fixedly connected with the bottom of the L-shaped sliding block.

Preferably, the bottoms of the opposite sides of the two lower support frames are fixedly connected with first connecting pieces, the front sides of the two first connecting pieces are fixedly connected with first fixing blocks through bolts, and first springs are fixedly connected between the opposite sides of the two first fixing blocks.

Preferably, one side, opposite to the lower support frame, of the two lower support frames is connected with a second connecting piece in a sliding mode through a sliding rail, the top portion, opposite to the lower support frame, of the two lower support frames is fixedly connected with a third connecting piece, and a first fixing plate is rotatably connected between the front faces of the second connecting piece and the third connecting piece through a connecting rod.

Preferably, the bottom of one side opposite to the upper supporting frame is connected with a first connecting plate through a sliding rail in a sliding manner, the top of one side opposite to the upper supporting frame is connected with a second connecting plate in a fixed manner, and a second fixing plate is rotatably connected between the front surfaces of the first connecting plate and the second connecting plate through a connecting rod

Preferably, the both sides of spring frame all sliding connection have the second fixed block, two the inside that the spring frame is all run through and extend to the spring frame to the relative one side of second fixed block, two fixedly connected with second spring between the relative one side of second spring block.

Preferably, the front surface and the back surface of the lower supporting frame are provided with clamping holes matched with the second fixing blocks, the top of the upper supporting frame is fixedly connected with connecting pieces through bolts, the two sides, opposite to the connecting pieces, of the upper supporting frame are fixedly connected with third fixing blocks, and third springs are fixedly connected between the two sides, opposite to the third fixing blocks, of the upper supporting frame.

Advantageous effects

The utility model provides a steel construction of large-scale venue box truss. Compared with the prior art, the method has the following beneficial effects:

(1) this steel construction of large-scale venue box truss, central point through backup pad bottom puts fixedly connected with piston chamber, the bottom sliding connection of piston chamber has the piston, the blotter on the top fixedly connected with of piston chamber inner wall, the bottom fixedly connected with of piston collides the seat, the fixed surface who just is located the piston between the bottom of piston chamber and the top of colliding the seat is connected with piston spring, the bottom fixedly connected with who collides the seat is blotter down, can be at the truss in the in-process of height-adjusting effectually prevent that the truss from dropping suddenly and cause the damage to the truss, the life of truss has been prolonged, the practicality of device has been improved.

(2) This steel construction of large-scale venue box truss rotates through the connecting rod between the front of second connection piece and third connection piece and is connected with first fixed plate, rotates through the connecting rod between the front of first connecting plate and second connecting plate and is connected with the second fixed plate, can make the dismantlement that the spare part of truss can be free, has made things convenient for the transportation, has improved the practicality of device.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view of the lower support frame structure of the present invention;

FIG. 3 is a sectional view of the upper supporting frame structure of the present embodiment;

FIG. 4 is a top view of the internal structure of the connector of the present invention;

fig. 5 is a schematic view of the connection structure of the first fixing block and the first spring of the present invention.

In the figure: the device comprises a lower support frame 1, a spring frame 2, an upper support frame 3, a support plate 4, a piston chamber 5, a limit plate 6, a sliding chute 7, a piston 8, a lower buffer pad 9, a collision seat 10, an upper buffer pad 11, a piston spring 12, a first connecting plate 13, a first fixing block 14, a first spring 15, a second connecting plate 16, a third connecting plate 17, a first fixing plate 18, a first connecting plate 19, a second connecting plate 20, a second fixing plate 21, a third fixing block 22, a sliding block 23L-shaped, a second spring 24, a connecting piece 25, a third fixing block 26 and a third spring 27.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a steel structure of a large-scale venue box-type truss comprises two lower supporting frames 1 and a spring frame 2, wherein the front and the back of each lower supporting frame 1 are respectively provided with a clamping hole matched with a second fixing block 22, so that the height of the truss is adjusted, the bottoms of the two sides of each lower supporting frame 1 are respectively and fixedly connected with a first connecting piece 13, the two sides of each lower supporting frame 1 are respectively and fixedly connected with a second connecting piece 16, the tops of the two sides of each lower supporting frame 1 are respectively and fixedly connected with a third connecting piece 17, so that the width of the truss is conveniently enlarged, the top of each upper supporting frame 3 is fixedly connected with a connecting piece 25 through bolts, each connecting piece 25 is composed of four pieces, and can be disassembled through fixed connection of the bolts, one side opposite to the two connecting pieces 25 is respectively and fixedly connected with a third fixing block 26, and a third spring 27 is fixedly connected between one side, the third spring 27 can adjust the width of the connecting piece 25 according to the requirement, the two sides of the spring frame 2 are both connected with the second fixed blocks 22 in a sliding way, the opposite sides of the two second fixed blocks 22 both penetrate through the spring frame 2 and extend into the spring frame 2, the second spring 24 is fixedly connected between the opposite sides of the two third fixed blocks 26, the opposite sides of the two lower supporting frames 1 are both connected with the second connecting piece 16 in a sliding way through a sliding rail, the top parts of the opposite sides of the two lower supporting frames 1 are both fixedly connected with the third connecting piece 17, the first fixing plates 18 are rotatably connected between the second connecting piece 16 and the front surface of the third connecting piece 17 through connecting rods, the two first fixing plates 18 are rotatably connected in a crossed way through bolts, the first fixing plates 18 can be disassembled, the bottom parts of the opposite sides of the two lower supporting frames 1 are both fixedly connected with the first connecting pieces 13, the front surfaces of the two first connecting, a first spring 15 is fixedly connected between opposite sides of the two first fixing blocks 14, the first spring 15 can adjust the distance between the two lower supporting frames 1, the tops of the two lower supporting frames 1 are both connected with the upper supporting frame 3 in a sliding manner, the bottoms of the opposite sides of the two upper supporting frames 3 are both connected with a first connecting plate 19 in a sliding manner through sliding rails, the tops of the opposite sides of the two upper supporting frames 3 are both fixedly connected with a second connecting plate 20, a second fixing plate 21 is rotatably connected between the front sides of the first connecting plate 19 and the second connecting plate 20 through a connecting rod, the second fixing plate 21 can be disassembled, the bottom of the upper supporting frame 3 penetrates through the lower supporting frames 1 and extends into the lower supporting frames 1, the bottom of the spring frame 2 is fixedly connected with a supporting plate 4, a piston chamber 5 is fixedly connected at the center position of the bottom of the supporting plate 4, and limiting plates, spout 7 has all been seted up to the relative one end of two limiting plates 6, the inside sliding connection of spout 7 has L shape slider 23, the bottom sliding connection of piston chamber 5 has piston 8, piston chamber 5 is run through and extends to piston chamber 5's inside at piston 8's top, blotter 11 is gone up to the top fixedly connected with of piston chamber 5 inner wall, piston 8's bottom fixedly connected with collides seat 10, between piston chamber 5's the bottom and the top of colliding seat 10 and be located piston 8's fixed surface is connected with piston spring 12, blotter 9 under colliding seat 10's the bottom fixedly connected with, both sides and L shape slider 23's the bottom fixed connection at colliding seat 10 top.

When the truss height-adjusting device is used, the distance between the upper supporting frame 3 and the lower supporting frame 1 is adjusted by adjusting the second fixing block 22, the height of a truss is adjusted according to the distance, the first fixing plate 18 is connected with the second connecting piece 16 and the third connecting piece 17 through bolts, the second fixing plate 21 is connected with the first connecting plate 19 and the second connecting plate 20 through bolts, the first connecting piece 13 is fixedly connected with the first fixing block 14 through bolts, at the moment, the distance between the upper supporting frame 3 and the lower supporting frame 1 can be freely adjusted through the first spring 15 and the second connecting piece 16 and the second connecting plate 20 which are slidably connected with the sliding rails, if the truss needs to be heightened, the connecting piece 25 is fixedly connected with the upper supporting frame 3 through bolts to adjust the height, when the truss drops suddenly during height adjustment, the lower cushion 3 firstly contacts the ground to play a role in buffering for the truss 1, and when the lower supporting frame collides with the collision seat 10, the piston 7 fixed on the top of the colliding seat 10 can slowly press towards the piston chamber 5, the piston spring 12 is compressed and deformed by pressure, when the piston 8 is pressed to the top of the piston chamber 5, the piston collides with the upper cushion pad 11 on the top of the piston chamber 5, the falling of the truss plays a buffering role, and when the truss is normally used, the limiting plate 6 and the colliding seat 10 are restored to the original position by the resilience force of the piston spring 12.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 steel construction of large-scale venue box truss, includes two under bracing frames (1) and spring frame (2), its characterized in that: the top of the two lower support frames (1) is connected with an upper support frame (3) in a sliding manner, the bottom of the upper support frame (3) penetrates through the lower support frames (1) and extends to the inside of the lower support frames (1), the bottom of the spring frame (2) is fixedly connected with a support plate (4), a piston chamber (5) is fixedly connected to the center position of the bottom of the support plate (4), limiting plates (6) are fixedly connected to the two sides of the bottom of the support plate (4), sliding grooves (7) are formed in the two opposite ends of the limiting plates (6), L-shaped sliding blocks (23) are connected to the inside of the sliding grooves (7) in a sliding manner, pistons (8) are connected to the bottom of the piston chamber (5) in a sliding manner, the top of the pistons (8) penetrates through the piston chamber (5) and extends to the inside of the piston chamber (5), and upper cushion pads (11) are fixedly, the bottom of the piston (8) is fixedly connected with an impact seat (10), a piston spring (12) is fixedly connected between the bottom of the piston chamber (5) and the top of the impact seat (10) and positioned on the surface of the piston (8), a lower cushion pad (9) is fixedly connected to the bottom of the impact seat (10), and two sides of the top of the impact seat (10) are fixedly connected with the bottom of the L-shaped sliding block (23).

2. The steel structure of a large stadium box truss of claim 1, wherein: two equal fixedly connected with first connecting piece (13) in bottom of lower carriage (1) relative one side, two the front of first connecting piece (13) all is through first fixed block of bolt fixedly connected with (14), two first spring (15) of fixedly connected with between the relative one side of first fixed block (14).

3. The steel structure of a large stadium box truss of claim 1, wherein: two one side that lower carriage (1) is relative all has second connection piece (16), two through slide rail sliding connection the equal fixedly connected with third connection piece (17) in top of one side that lower carriage (1) is relative, rotate through the connecting rod between the front of second connection piece (16) and third connection piece (17) and be connected with first fixed plate (18).

4. The steel structure of a large stadium box truss of claim 1, wherein: two the bottom of going up the relative one side of carriage (3) all has first connecting plate (19), two through slide rail sliding connection go up the equal fixedly connected with second connecting plate (20) in top of the relative one side of carriage (3), rotate through the connecting rod between the front of first connecting plate (19) and second connecting plate (20) and be connected with second fixed plate (21).

5. The steel structure of a large stadium box truss of claim 1, wherein: the both sides of spring frame (2) are all sliding connection has second fixed block (22), two one side that second fixed block (22) is relative all runs through spring frame (2) and extends to the inside of spring frame (2).

6. The steel structure of a large stadium box truss of claim 1, wherein: the front and the back of under bracing frame (1) all set up the block hole with second fixed block (22) looks adaptation, bolt fixedly connected with connecting piece (25), two are passed through at the top of going up braced frame (3) the equal fixedly connected with third fixed block (26) in one side that connecting piece (25) are relative, two fixedly connected with second spring (24), two between the relative one side of third fixed block (26) fixedly connected with third spring (27) between the relative one side of third fixed block (26).