CN-121992879-A - Steel structure supporting truss

Abstract

The invention relates to the technical field of steel structures, in particular to a steel structure supporting truss, which comprises a plurality of mounting plate groups which are uniformly distributed left and right, wherein each mounting plate group comprises two mounting plates which are symmetrically distributed left and right, two chords are arranged on opposite sides of each mounting plate in a sliding mode, each chord comprises an upper chord and a lower chord, web member mounting units are arranged between each upper chord and each lower chord, the steel structure supporting truss adopts an assembled structural design, can be flexibly assembled according to different span requirements when a temporary building is built, and meanwhile can be used for quickly adjusting the distance between each upper chord and each lower chord and the inclination angle of each web member, on the premise of ensuring the overall structural strength, the on-site assembly time is shortened, the applicability of the steel structure supporting truss is further increased, the construction efficiency of the temporary building is further improved, and after the steel structure supporting truss is removed, the steel structure supporting truss can be conveniently disassembled and reassembled to adapt to new temporary building requirements, the repeated utilization ratio of materials is improved, and the resource waste and the transformation cost are effectively avoided.

Inventors

• ZHANG GUANGTAO
• ZHANG ZHENHUA
• YU YUNXIN

Assignees

• 山东鑫通钢结构工程有限公司

Dates

Publication Date

20260508

Application Date

20260325

Claims (10)

1. 1. The steel structure supporting truss is characterized by comprising a plurality of groups of mounting plate groups which are uniformly arranged left and right, wherein each mounting plate group comprises two mounting plates which are symmetrically arranged left and right, two chords are arranged on opposite sides of the two mounting plates in a sliding mode in a sharing mode, each chord comprises an upper chord and a lower chord, and a web member mounting unit is arranged between the upper chord and the lower chord; The two adjacent mounting plates corresponding to the two adjacent mounting plate groups are connected through bolts, the mounting plates are connected with the corresponding chords in an up-down sliding mode through connecting blocks, an adjusting piece is mounted between the leftmost mounting plate and the connecting block together, the left adjacent connecting block and the right adjacent connecting block are connected through a plug connector, and the adjusting piece is controlled to synchronously adjust the distance between the upper chord and the lower chord through the connecting block and the plug connector; the web member installation unit comprises an adjusting sleeve group which is sleeved on the outer side of the chord member in a sliding manner, and a plurality of web member groups which are obliquely arranged and vertically arranged are jointly installed between the two adjusting sleeve groups corresponding to the upper chord and the lower chord; The upper chord and the adjusting sleeve group on the lower chord at the left side of the lower chord are connected through the web member groups, and the two web member groups are arranged in a crossing manner so as to increase the structural stability when two adjacent mounting plate groups are connected; After the distance between the upper chord and the lower chord is adjusted, the position of the adjusting sleeve group is adjusted, so that the included angle between the web member group and the chord rod is ensured to meet the design requirement, and the overall structural stability is ensured.
2. 2. The steel structure supporting truss as recited in claim 1 wherein square holes are formed in the middle of the mounting plate, the connecting blocks are installed in the corresponding square holes in a vertically sliding mode, the adjusting piece comprises a synchronous screw installed on the mounting plate in a rotating mode, and the synchronous screw is connected with the two corresponding connecting blocks in a threaded mode.
3. 3. The steel structure supporting truss as recited in claim 1 wherein the plug connector comprises a plug rod, the left end of the left connecting block corresponding to the same mounting plate group is fixedly connected with the plug rod, the right end of the right connecting block corresponding to the same mounting plate group is provided with a plug hole, and the plug hole is used for being matched with the plug rod to enable the left connecting block and the right connecting block to move up and down synchronously.
4. 4. The steel structure supporting truss as recited in claim 1 wherein the first adjusting sleeve group comprises a first adjusting sleeve, a second adjusting sleeve and a third adjusting sleeve, the first adjusting sleeve on the upper chord and the first adjusting sleeve on the lower chord, the second adjusting sleeve on the upper chord and the second adjusting sleeve on the lower chord are all staggered left and right, the first adjusting sleeve on the upper chord and the second adjusting sleeve on the lower chord are aligned up and down, the second adjusting sleeve on the upper chord and the first adjusting sleeve on the lower chord are aligned up and down, and the third adjusting sleeve on the upper chord and the third adjusting sleeve on the lower chord are aligned up and down.
5. 5. The steel structure supporting truss as recited in claim 4 wherein the web member group comprises web members, connecting rods are detachably mounted at both ends of the web members, the middle parts of the first adjusting sleeve and the second adjusting sleeve are fixedly connected with the connecting rods, and the web members connected between the first adjusting sleeve and the second adjusting sleeve which are aligned vertically are arranged vertically.
6. 6. The steel structure supporting truss as recited in claim 5, wherein the web members commonly connected between the two adjacent adjusting sleeves one corresponding to the upper chord and the lower chord, the web members commonly connected between the adjusting sleeve one corresponding to the upper chord and the adjusting sleeve three corresponding to the lower chord are all arranged obliquely, the web members obliquely arranged are also connected between the adjusting sleeve one on the upper left side of the lower chord and the upper chord, and the web members obliquely arranged are arranged in a staggered manner while the web members connected between the adjusting sleeve three on the upper chord, the lower chord on the right side of the adjusting sleeve three on the lower chord and the upper chord on the right side of the adjusting sleeve three on the lower chord are all arranged obliquely.
7. 7. The steel structure supporting truss as recited in claim 6 wherein connecting plates are hinged on connecting rods corresponding to the web members in inclined arrangement, the first adjusting sleeve, the third adjusting sleeve, the upper chord and the lower chord are respectively and fixedly connected with the corresponding connecting plates, and a plurality of locking holes which are uniformly distributed in the circumferential direction are formed in each connecting rod and each connecting plate.
8. 8. The steel structure supporting truss as recited in claim 1 wherein the positions of the upper chord and the lower chord opposite to each other are provided with a plurality of threaded holes corresponding to the adjusting sleeve groups, and the adjusting sleeve groups are provided with round holes.
9. 9. The steel structure supporting truss as claimed in claim 1, wherein the rear end of the adjusting sleeve group is fixedly provided with a matching rod, the two opposite sides of the two corresponding mounting plates of the same mounting plate group are fixedly provided with matching plates together, the matching plates are provided with inclined matching holes corresponding to the matching rods, and the matching rods are slidably mounted in the corresponding matching holes.
10. 10. The steel structure supporting truss as claimed in claim 1, wherein the left and right ends of the upper chord and the lower chord opposite to each other are fixedly provided with reinforcing plates which are arranged in an inclined manner, and the reinforcing plates are connected with the corresponding mounting plates by means of bolts.

Description

Steel structure supporting truss Technical Field The invention relates to the technical field of steel structures, in particular to a steel structure support truss. Background The steel structure support truss is a bearing member widely applied in the fields of constructional engineering, bridge construction, temporary building erection and large equipment installation support, is a core component for realizing load transmission and structural support in various projects by virtue of the characteristics of strong bearing capacity and good structural stability, and can effectively transmit the load acted on the steel structure support truss to a lower supporting structure, so that a stable and reliable integral building space is formed, and the steel structure support truss plays an irreplaceable supporting role in the scenes of assembly type building construction, foundation pit temporary support, temporary stand construction and the like, and is directly related to the safety and stability of engineering construction. The existing steel structure supporting truss mainly comprises an upper chord member, a lower chord member and a web member connected between the upper chord member and the lower chord member, and a triangular or lattice stress system is formed by connecting the web member and the chord member, so that the structural strength of the truss is ensured; under the application scene of temporary construction, two construction modes mainly exist for the steel structure support truss adopted, one is a rigid truss produced in advance according to engineering design requirements in a factory, the chord member distance and the web member and chord member connection angle are fixed in the factory, the whole construction is only needed on site, the other is a truss constructed temporarily according to the actual working condition requirements on site, and after the prefabricated chord member, web member and other parts are transported to the site by constructors, the site measurement, connection and assembly operation is carried out to form the required truss. The existing steel structure support truss has the following problems that for a factory prefabricated rigid truss, because structural parameters such as chord intervals, web angles and the like are fixed, the factory prefabricated rigid truss can only adapt to specific temporary building construction requirements, after a temporary building is dismantled, different spans and load requirements of a new temporary building are difficult to directly adapt, the subsequent repeated utilization rate is low, the truss is required to be cut, reformed and welded again to be used again, material waste is caused, and reconstruction cost is increased. Disclosure of Invention The steel structure supporting truss comprises a plurality of mounting plate groups which are uniformly distributed left and right, wherein each mounting plate group comprises two mounting plates which are symmetrically distributed left and right, two chord members are arranged on opposite sides of each mounting plate in a sliding mode, each chord member comprises an upper chord and a lower chord, a web member mounting unit is arranged between each upper chord and each lower chord member in a sliding mode, two adjacent mounting plates corresponding to each mounting plate group are connected through bolts, the mounting plates are connected with the corresponding chord members in a sliding mode up and down through connecting blocks, an adjusting piece is arranged between the leftmost mounting plate and the connecting blocks in a sliding mode, the left adjacent connecting block and the right adjacent connecting block are connected through plug connectors, the adjusting piece is used for adjusting the distance between the upper chord member and the lower chord member synchronously through the connecting blocks, each web member mounting unit comprises an adjusting sleeve group which is arranged on the outer side of the chord member in a sliding mode, a plurality of web member groups which are obliquely arranged and vertically arranged are arranged between the two adjusting sleeve groups corresponding to each upper chord member and the lower chord member, the upper chord member and the lower chord member are arranged on the left side, the adjusting sleeve group and the lower chord member are arranged on the left side of the lower chord member are connected with the upper chord member, the upper chord member and the lower chord member are arranged between the upper chord member and the lower chord member respectively, the two chord member groups are connected through the adjusting sleeve and the upper chord members, and the chord members are arranged between the chord members respectively, the two chord members are arranged in the adjusting sleeve and the chord members respectively, the chord members are arranged in the adjusting sleeve and the chord member are arranged in a position and the chor