CN220150679U

CN220150679U - Large-span steel structure truss

Info

Publication number: CN220150679U
Application number: CN202321434975.6U
Authority: CN
Inventors: 许成凯; 罗小龙; 李卫永; 唐跃欣
Original assignee: China Construction Second Engineering Bureau Co Ltd; First Construction Engineering Co Ltd of China Construction Second Engineering Bureau Co Ltd
Current assignee: China Construction Second Engineering Bureau Co Ltd; First Construction Engineering Co Ltd of China Construction Second Engineering Bureau Co Ltd
Priority date: 2023-06-07
Filing date: 2023-06-07
Publication date: 2023-12-08
Anticipated expiration: 2033-06-07

Abstract

The utility model discloses a large-span steel structure truss, which belongs to the field of steel structure trusses and comprises an underframe and a top frame, wherein a connecting structure is arranged between the underframe and the top frame, the number of the connecting structure is a plurality of groups, the connecting structure comprises connecting rods, mounting plates and reinforcing components, two connecting rods in the same group are respectively mounted on the underframe and the top frame through the two mounting plates, and the two connecting rods in the same group are connected. Utilize connection structure to carry out the connection of chassis and roof-rack, can adjust the relative position of two connection structure of connecting from top to bottom as required, and then change the interval of chassis and roof-rack, improve the connection flexibility, set up the enhancement subassembly on the connecting rod, can improve the stability of whole truss, ensure the result of use of truss, set up fixed knot at the chassis tip and construct, can finely tune the position of connecting square pipe, the structure that the adaptation that the through-hole on the assurance bottom plate can be better is used for the installation, improve the installation suitability, guaranteed the normal clear of installation work.

Description

Large-span steel structure truss

Technical Field

The utility model relates to the field of steel structure trusses, in particular to a large-span steel structure truss.

Background

Steel truss is a truss manufactured by connecting steel materials, and is often used for buildings with large internal spaces such as exhibition centers. For a building of a exhibition type, a large-span steel structure truss is generally adopted due to a large internal space.

In the existing steel structure truss, the truss is formed by combining a bottom rod and a top rod with a connecting rod, because the length of the connecting rod is fixed, after the bottom rod is connected with the top rod by utilizing the connecting rod, the distance between the bottom rod and the top rod is fixed, when the connecting rod is connected, corresponding adjustment cannot be carried out according to actual conditions, if the connecting rod needs to be connected into trusses of other sizes, connecting rods of other lengths need to be additionally prepared, the flexibility in the connecting process is low, and the use cost is increased, and the steel structure truss is connected through the end part of the truss during installation, because the end part connecting part is fixed, if the installation part is misaligned, normal connection of the truss is affected during installation, and the suitability is poor during installation.

Disclosure of Invention

The utility model mainly aims to provide a large-span steel structure truss which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a large-span steel construction truss, includes chassis and roof-rack, be equipped with connection structure between chassis and the roof-rack, and connection structure's quantity is a plurality of groups, connection structure includes connecting rod, mounting panel and enhancement subassembly, two with the group the connecting rod is installed on chassis and roof-rack through two mounting panels respectively, and is connected between two connecting rods with the group, the enhancement subassembly is connected on adjacent connecting rod, the tip of chassis is equipped with fixed knot constructs, and fixed knot constructs including connecting square pipe, bracing piece and bottom plate, connecting square pipe connects the end at the chassis, the bottom plate passes through the bracing piece and connects the lower extreme at connecting square pipe.

Preferably, the underframe and the top frame are both provided with fixing rods, the top frame is positioned right above the underframe, and the fixing structures are symmetrically arranged on the underframe.

Preferably, the connecting structure further comprises a mounting bolt, a round hole and a connecting screw, wherein the mounting bolt is arranged on the mounting plate, the two mounting plates in the same group are respectively fixed on the bottom frame and the top frame through the mounting bolts, the round hole is formed in the connecting rod, the connecting screw penetrates through the round hole, and a locking nut is arranged at the tail end of the connecting screw.

Preferably, the reinforcing component comprises a screw rod, a reinforcing plate, a waist-shaped hole and a fixing nut, wherein the screw rod is fixed on the connecting rod, the waist-shaped hole is formed in the reinforcing plate, the reinforcing plate is connected onto the screw rod through the waist-shaped hole, and the fixing nut is in threaded connection onto the screw rod.

Preferably, the fixing structure further comprises a fixing screw, a transverse plate and a through hole, wherein the fixing screw is in threaded connection with the connecting square tube, the tail end of the fixing screw is propped against the underframe, the transverse plate is connected between the two connecting square tubes, and the through hole is formed in the bottom plate.

Compared with the prior art, the utility model has the following beneficial effects: this large-span steel construction truss utilizes connection structure to carry out the connection of chassis and roof-rack, can adjust the relative position of two connection structure that connect from top to bottom as required, and then change the interval of chassis and roof-rack, improve the connection flexibility, set up the reinforcing component on the connecting rod, can improve the stability of whole truss, guarantee the result of use of truss sets up fixed knot structure at the chassis tip, can finely tune the position of connecting square pipe, the structure that the adaptation that the through-hole on the assurance bottom plate can be better is used for the installation improves the installation suitability, the normal clear of installation work has been ensured.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged view of the utility model at A in FIG. 1;

FIG. 3 is a schematic structural view of the reinforcement assembly of the present utility model;

fig. 4 is a schematic structural view of the fixing structure of the present utility model.

In the figure: 1. a chassis; 2. a top frame; 3. a connection structure; 301. a connecting rod; 302. a mounting plate; 303. installing a bolt; 304. a round hole; 305. a connecting screw; 306. a reinforcement assembly; 3061. a screw; 3062. a reinforcing plate; 3063. a waist-shaped hole; 3064. a fixing nut; 4. a fixed structure; 401. connecting square tubes; 402. a fixing screw; 403. a cross plate; 404. a support rod; 405. a bottom plate; 406. a through hole; 5. and a fixing rod.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, a large-span steel structure truss comprises an underframe 1 and a top frame 2, wherein a connecting structure 3 is arranged between the underframe 1 and the top frame 2, the number of the connecting structures 3 is a plurality of groups, the end parts of the underframe 1 are provided with fixing structures 4, the underframe 1 and the top frame 2 are respectively provided with a fixing rod 5, the top frame 2 is positioned right above the underframe 1, and the fixing structures 4 are symmetrically arranged on the underframe 1.

When carrying out the setting installation of steel construction truss, be in the same place through connection structure 3 between chassis 1 and the roof-rack 2, be provided with dead lever 5 on chassis 1 and roof-rack 2, carry out the installation of whole structure through the fixed knot of chassis 1 tip construct 4, this in-process can finely tune fixed knot construct 4's position, after adjusting, be connected fixed knot construct 4 with the structure of installation site to accomplish the installation of whole steel construction truss, carry out follow-up building construction after the steel construction truss is installed can.

Through the above embodiment, the connection structure 3 includes the connecting rod 301, the mounting panel 302 and the reinforcing component 306, install on chassis 1 and roof-rack 2 through two mounting panels 302 respectively with two connecting rods 301 of group, and be connected between two connecting rods 301 of group, reinforcing component 306 connects on adjacent connecting rod 301, the connection structure 3 still includes mounting bolt 303, round hole 304 and connecting screw 305, mounting bolt 303 sets up on mounting panel 302, two mounting panels 302 of group pass through mounting bolt 303 to be fixed respectively on chassis 1 and roof-rack 2, round hole 304 is seted up on connecting rod 301, connecting screw 305 runs through in round hole 304, and the end of connecting screw 305 is equipped with lock nut, reinforcing component 306 includes screw 3061, reinforcing plate 3062, waist type hole 3063 and fixation nut 3064, screw 3063 is seted up on reinforcing plate 2, and reinforcing plate 3062 is connected on screw 3061 through waist type hole 3063, fixation nut 3064 threaded connection is on screw 3061, utilize connection structure 3 to carry out chassis 1 and roof-rack 2's connection respectively, can be according to the connection of connecting structure 3 on chassis 1 and roof-rack 2, can be to two positions that connect with the connecting rod 3 can be changed on the corresponding truss, and the truss can be used to the position of connecting rod 2, and the truss can be changed, and the stability is improved, and the truss can be used to the relative to the truss is set up to the truss 2.

After the connection structure 3 is utilized to carry out the installation connection of the underframe 1 and the top frame 2, the two connection structures 3 of the same group are contacted together, at this time, the connection rod 301 is contacted, the relative position of the connection rod 301 is adjusted, and then the whole length of the connection rod 301 of the same group is changed, then the connection screw 305 is inserted into the round holes 304 on the two connection rods 301, so that the connection screw 305 simultaneously passes through the two connection rods 301, the locking nut is installed at the tail end of the connection screw 305, thereby fixing the two connection structures 3 of the same group together, after all the connection structures 3 of the required group are spliced together, the lower connection structure 3 is contacted with the underframe 1, the lower mounting plate 302 is fixed with the underframe 1 through the mounting bolt 303, then the top frame 2 is placed on the upper connection structure 3, at this time, the top frame 2 is contacted with the upper mounting plate 302, and the top frame 2 are fixed together through the mounting bolt 303, thereby the top frame 2 is installed together with the underframe 1, then the installation connection of the reinforcing component 306 is carried out, in the connection process, the two connection structures 3 are selected to be matched with the waist-shaped screw 3061, the adjacent screw 3062 is installed on the adjacent screw 3064, and the screw 3064 can be further installed on the adjacent screw 3062, and the screw 3062 is not normally, the screw 3062 is installed, and the screw 3062 is fixed on the adjacent screw 3062.

Through the above-mentioned embodiment, fixed knot constructs 4 including connecting square pipe 401, bracing piece 404 and bottom plate 405, connect square pipe 401 and connect the end at chassis 1, bottom plate 405 passes through bracing piece 404 and connects the lower extreme at connecting square pipe 401, fixed knot constructs 4 still includes set screw 402, diaphragm 403 and through-hole 406, set screw 402 threaded connection is on connecting square pipe 401, and the end of set screw 402 supports on chassis 1, diaphragm 403 connects between two connecting square pipes 401, through-hole 406 is seted up on bottom plate 405, set up fixed knot constructs 4 at chassis 1 tip, can finely tune the position of connecting square pipe 401, guarantee the structure that through-hole 406 on the bottom plate 405 can be better adaptation is used for the installation, the installation suitability is improved, the normal clear of installation work has been ensured.

When the whole steel structure truss is installed, the position of the connecting square tube 401 is finely adjusted according to actual conditions, then the connecting square tube is fixed by the fixing screws 402, the truss is supported by the bottom plate 405 and the supporting rods 404, the bottom plate 405 is connected to a structure for connection of an installation part through the through holes 406, the whole truss is installed at the corresponding position through the fixing structure 4, and after the steel structure truss is installed, subsequent building construction is performed.

The foregoing has described the principles, features and advantages of the present utility model. It will be apparent to those skilled in the art from this disclosure that the foregoing is not a limitation of the utility model, and that the foregoing embodiments and descriptions illustrate the basic principles and features of the utility model, but that various modifications can be made therein without departing from the spirit of the utility model, and that such modifications are intended to be within the scope of the utility model as claimed.

Claims

1. The utility model provides a large-span steel construction truss, includes chassis (1) and roof-rack (2), its characterized in that: the utility model discloses a frame, including chassis (1), roof-rack (2), connection structure (3), and connection structure (3)'s quantity is a plurality of groups, connection structure (3) include connecting rod (301), mounting panel (302) and enhancement subassembly (306), two with the connecting rod (301) of group are installed on chassis (1) and roof-rack (2) respectively through two mounting panels (302), and are connected between two connecting rods (301) of same group, enhancement subassembly (306) are connected on adjacent connecting rod (301), the tip of chassis (1) is equipped with fixed knot constructs (4), and fixed knot constructs (4) including connecting square pipe (401), bracing piece (404) and bottom plate (405), connecting square pipe (401) connect the end at chassis (1), bottom plate (405) are connected the lower extreme at connecting square pipe (401) through bracing piece (404).

2. A long span steel structural truss as defined in claim 1 wherein: the novel lifting device is characterized in that fixing rods (5) are arranged on the bottom frame (1) and the top frame (2), the top frame (2) is located right above the bottom frame (1), and the fixing structures (4) are symmetrically arranged on the bottom frame (1).

3. A long span steel structural truss as defined in claim 2 wherein: the connecting structure (3) further comprises a mounting bolt (303), a round hole (304) and a connecting screw (305), the mounting bolt (303) is arranged on the mounting plate (302), the two mounting plates (302) in the same group are respectively fixed on the bottom frame (1) and the top frame (2) through the mounting bolts (303), the round hole (304) is formed in the connecting rod (301), the connecting screw (305) penetrates through the round hole (304), and a locking nut is arranged at the tail end of the connecting screw (305).

4. A long span steel structural truss according to claim 3 wherein: the reinforcing component (306) comprises a screw (3061), a reinforcing plate (3062), a waist-shaped hole (3063) and a fixing nut (3064), the screw (3061) is fixed on the connecting rod (301), the waist-shaped hole (3063) is formed in the reinforcing plate (3062), the reinforcing plate (3062) is connected to the screw (3061) through the waist-shaped hole (3063), and the fixing nut (3064) is connected to the screw (3061) in a threaded mode.

5. The long span steel structural truss of claim 4 wherein: the fixing structure (4) further comprises fixing screws (402), a transverse plate (403) and a through hole (406), the fixing screws (402) are in threaded connection with the connecting square tubes (401), the tail ends of the fixing screws (402) are abutted to the underframe (1), the transverse plate (403) is connected between the two connecting square tubes (401), and the through hole (406) is formed in the bottom plate (405).