CN212534549U

CN212534549U - Connecting structure of steel truss and existing beam

Info

Publication number: CN212534549U
Application number: CN202021092596.XU
Authority: CN
Inventors: 淦家闻
Original assignee: Jiangxi Juwen Engineering Technology Co ltd
Current assignee: Jiangxi Juwen Engineering Technology Co ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-02-12
Anticipated expiration: 2030-06-15

Abstract

The utility model discloses a connecting structure of a steel truss and an existing beam, which comprises a steel truss main body, a connecting device, a first connecting plate and connecting blocks, wherein the steel truss main body comprises an upper frame, a lower frame and a plurality of groups of supporting rods, the upper frame and the lower frame are arranged into rectangular plate-shaped structures with equal length, the plurality of groups of supporting rods are welded between the upper frame and the lower frame, and the top end of the upper frame is provided with three groups of connecting blocks; still symmetrical welding has first connecting plate and second connecting plate between upper bracket and the lower carriage, and first connecting plate and second connecting plate set up in the multiunit branch outside, first connecting plate lateral wall symmetrical welding has the grip block of two sets of rectangle platelike structures, and every group all seted up two sets of screw holes on the grip block, second connecting plate lateral wall is provided with connecting device. The connecting structure of the steel truss and the existing beam is simple in structure and convenient to install.

Description

Connecting structure of steel truss and existing beam

Technical Field

The utility model belongs to the technical field of the steel construction, concretely relates to connection structure of steel truss and existing roof beam.

Background

The steel truss is made of steel, and is used as a main bearing member for crane beams, bridges, hydraulic gates and the like of roof structures of the truss industry and civil buildings. Space steel trusses consisting of three-surface, four-surface or multi-surface plane trusses are commonly used for various towers such as mast towers, television towers, power transmission line towers and the like;

the steel truss need use connection structure to connect it fixedly when installing with the roof beam, and the connection structure of current steel truss and existing roof beam when carrying out fixed mounting, can not adjust the installation node position, can not satisfy operating personnel's in-service use.

Therefore, in order to meet the current situation, the design and production of a connecting structure of a steel truss and an existing beam are urgently needed to meet the requirement of practical use.

Disclosure of Invention

An object of the utility model is to provide a connection structure of steel truss and existing roof beam to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a connecting structure of a steel truss and an existing beam comprises a steel truss main body, a connecting device, a first connecting plate and connecting blocks, wherein the steel truss main body comprises an upper frame, a lower frame and a plurality of groups of supporting rods, the upper frame and the lower frame are arranged to be rectangular plate-shaped structures with equal lengths, the plurality of groups of supporting rods are welded between the upper frame and the lower frame, and the top end of the upper frame is provided with three groups of connecting blocks;

still symmetrical welding has first connecting plate and second connecting plate between upper bracket and the lower carriage, and first connecting plate and second connecting plate set up in the multiunit branch outside, first connecting plate lateral wall symmetrical welding has the grip block of two sets of rectangle platelike structures, and every group all seted up two sets of screw holes on the grip block, second connecting plate lateral wall is provided with connecting device.

Preferably, all set up the socket with cylinder looks adaptation on putting on the shelf and the undercarriage, and all fixed welding has a fixed plate, two sets of along the port department of two sets of sockets the fixed plate sets up perpendicularly, every group with putting on the shelf and the undercarriage respectively impartial distance has seted up three fixed orificess of group on the fixed plate.

Preferably, connecting device includes sleeve, inserted block and inserted bar, the fixed welding of second connecting plate lateral wall has the inserted block, and the right half of inserted block inserts in the sleeve of another group steel truss main part, the fixed welding of center department of a set of vertical inner wall of sleeve has the inserted bar, set up the jack with inserted bar looks adaptation on the inserted block, be connected through two sets of locking bolt between inserted block and the sleeve.

Preferably, a set of strip-shaped sliding grooves are formed in the top end of the upper frame, three sets of moving blocks are connected in the sliding grooves in a sliding mode, the top ends of the moving blocks are connected with supporting columns in a rotating mode, the moving blocks are fixedly welded to the bottom ends of the connecting blocks through the supporting columns, and four sets of mounting screw holes arranged in a rectangular array are formed in the top ends of the moving blocks.

Preferably, a plurality of groups of the supporting rods, the upper frame and the lower frame form a plurality of triangular structures, and the connecting blocks are arranged to be H-shaped structures.

The utility model discloses a technological effect and advantage: the connecting structure of the steel truss and the existing beam is in sliding connection with the moving groove on the upper frame through the moving block, and meanwhile, the connecting block is in rotating connection with the moving block through the support column, so that the steel truss and the beam are connected at different positions and in different directions through the connecting block, the actual requirements of operators are met, and the mounting efficiency is improved; through the arranged connecting device, the inserting block is inserted into the sleeve on the other group of steel truss main bodies, the inserting rod in the sleeve is inserted into the inserting hole in the inserting block, and the inserting rod in the sleeve is fixed by two groups of locking bolts, so that the two groups of steel truss main bodies are convenient to weld, and the connecting strength between the two groups of steel truss main bodies is enhanced; the steel truss main body is sleeved on the column body through the inserting openings of the upper frame and the lower frame, the fixing piece on the column body is fixed with the two groups of clamping plates through bolts, and meanwhile, the two groups of fixing plates are connected with the column body through bolts, so that the stability of the whole body is ensured; the connecting structure of the steel truss and the existing beam is simple in structure and convenient to install.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged view of the structure a in fig. 1 according to the present invention;

fig. 3 is a schematic structural diagram of the connecting device of the present invention.

In the figure: the steel truss comprises a steel truss main body 1, an upper frame 11, a lower frame 12, a support rod 13, a connecting device 2, a sleeve 21, an insertion block 22, an insertion rod 23, a first connecting plate 3, a second connecting plate 31, a fixing plate 4, a clamping plate 5, a moving block 6 and a connecting block 7.

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.

Unless defined otherwise, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the invention is applied, and all references are hereby incorporated herein by reference.

The utility model provides a connection structure of a steel truss and an existing beam as shown in figures 1-3, which comprises a steel truss main body 1, a connection device 2, a first connection plate 3 and connection blocks 7, wherein the steel truss main body 1 comprises an upper frame 11, a lower frame 12 and a plurality of groups of support rods 13, the upper frame 11 and the lower frame 12 are arranged into rectangular plate-shaped structures with equal length, the plurality of groups of support rods 13 are welded between the upper frame 11 and the lower frame 12, and the top end of the upper frame 11 is provided with three groups of connection blocks 7;

go up between 11 and the lower carriage 12 still symmetrical welding have first connecting plate 3 and second connecting plate 31, and first connecting plate 3 and second connecting plate 31 set up in the 13 outsides of multiunit branch, 3 lateral wall symmetrical welding of first connecting plate have grip block 5 of two sets of rectangle platelike structures, and every group all seted up two sets of screw holes on the grip block 5, second connecting plate 31 lateral wall is provided with connecting device 2.

Specifically, all set up the socket with cylinder looks adaptation on upper bracket 11 and the lower carriage 12, and all fixed welding has fixed plate 4, two sets of along the port department of two sets of sockets fixed plate 4 sets up perpendicularly with upper bracket 11 and lower carriage 12 respectively, every group equidistance has seted up three fixed orificess on the fixed plate 4.

Specifically, connecting device 2 includes sleeve 21, inserted block 22 and inserted bar 23, the fixed welding of second connecting plate 31 lateral wall has inserted block 22, and the right half of inserted block 22 inserts in the sleeve 21 on another group of steel truss main part 1, the fixed welding of center department of a set of vertical inner wall of sleeve 21 has inserted bar 23, set up the jack with inserted bar 23 looks adaptation on the inserted block 22, through two sets of locking bolted connection between inserted block 22 and the sleeve 21.

Specifically, a set of long strip-shaped sliding grooves are formed in the top end of the upper frame 11, three sets of moving blocks 6 are connected in the sliding grooves in a sliding mode, a supporting column is connected to the top end of each moving block 6 in a rotating mode, the moving blocks 6 are fixedly welded to the bottom end of the connecting block 7 through the supporting columns, and four sets of mounting screw holes arranged in a rectangular array are formed in the top end of each moving block 6.

Specifically, a plurality of groups of supporting rods 13, an upper frame 11 and a lower frame 12 form a plurality of triangular structures, the steel truss main body is shown to have good supporting strength, and the connecting block 7 is arranged to be of an H-shaped structure and is convenient to mount.

Working principle, this connection structure of steel truss and existing roof beam, when using, establish steel truss main part 1 cover on the cylinder through the socket of upper bracket 11 and lower bracket 12, carry out the bolt fastening through mounting and two sets of grip blocks 5 on the cylinder, two sets of fixed plate 4 carry out bolted connection with the cylinder simultaneously, then through the shifting chute sliding connection on movable block 6 and the upper bracket 1, connecting block 7 rotates with movable block 6 through the pillar to be connected, thereby make connecting block 7 different positions and different directions be connected the steel truss with the roof beam, insert in the sleeve 21 on another set of steel truss main part with inserted block 22 at last, the inserted bar 23 in the sleeve 21 inserts in the inserted block 22 simultaneously, and utilize two sets of locking bolt to fix it, make things convenient for the welding of two sets of steel truss main parts, strengthened the joint strength between two sets of steel truss main parts simultaneously.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a connection structure of steel truss and existing roof beam, includes steel truss main part (1), connecting device (2), first connecting plate (3) and connecting block (7), its characterized in that: the steel truss main body (1) comprises an upper frame (11), a lower frame (12) and a plurality of groups of supporting rods (13), the upper frame (11) and the lower frame (12) are arranged to be rectangular plate-shaped structures with equal lengths, the plurality of groups of supporting rods (13) are welded between the upper frame (11) and the lower frame (12), and three groups of connecting blocks (7) are arranged at the top end of the upper frame (11);

go up between frame (11) and lower carriage (12) still symmetrical welding have first connecting plate (3) and second connecting plate (31), and first connecting plate (3) and second connecting plate (31) set up in multiunit branch (13) outside, first connecting plate (3) lateral wall symmetrical welding has grip block (5) of two sets of rectangle platelike structures, and every group all seted up two sets of screw holes on grip block (5), second connecting plate (31) lateral wall is provided with connecting device (2).

2. The connecting structure of a steel truss and an existing beam according to claim 1, wherein: the socket with cylinder looks adaptation is all seted up on upper bracket (11) and lower carriage (12), and all fixed welding has fixed plate (4), two sets of along the port department of two sets of sockets fixed plate (4) respectively with upper bracket (11) and lower carriage (12) perpendicular setting, every group the equidistance has been seted up three fixed orificess on fixed plate (4).

3. The connecting structure of a steel truss and an existing beam according to claim 1, wherein: connecting device (2) include sleeve (21), inserted block (22) and inserted bar (23), the fixed welding of second connecting plate (31) lateral wall has inserted block (22), and inserts in sleeve (21) on another group steel truss main part (1) right half of inserted block (22), the fixed welding of center department of a set of vertical inner wall of sleeve (21) has inserted bar (23), set up the jack with inserted bar (23) looks adaptation on inserted block (22), through two sets of locking bolted connection between inserted block (22) and sleeve (21).

4. The connecting structure of a steel truss and an existing beam according to claim 1, wherein: a set of long banding sliding tray has been seted up on upper bracket (11) top, and sliding tray sliding connection has three group movable blocks (6) of group, and every group the movable block (6) top all rotates and is connected with the pillar, movable block (6) are through pillar and connecting block (7) bottom mounting welding, the installation screw that four group rectangle arrays were arranged is seted up on movable block (6) top.

5. The connecting structure of a steel truss and an existing beam according to claim 1, wherein: a plurality of groups of the supporting rods (13), the upper frame (11) and the lower frame (12) form a plurality of triangular structures, and the connecting block (7) is arranged to be of an H-shaped structure.