Multi-cross-section butt joint box type structure

Abstract

The utility model discloses a multi-cross-section butt joint box type structure which comprises a lower plate, a set of middle web plates, a bracket web plate set, an upper plate and a box type bracket plate set. A group of front inner partition plates, a variable cross-section inner partition plate group, a gusset plate and a group of tail webs are sequentially arranged on the lower plate; the middle web plate is arranged between the front inner partition plate and the gusset plate; a tail inner partition plate is arranged between the tail webs; the bracket web plate group is arranged on the two sides of the variable cross-section inner partition plate group, the gusset plate and the group of tail web plates; the upper plate is arranged on the front inner partition plate, the variable cross-section inner partition plate group, the gusset plate, the tail web plate, the middle web plate and the bracket web plate group; and the box type bracket plate group is arranged on the upper plate. According to the multi-cross-section butt joint box type structure, by designing the bracket web plate sets, the multiple box type ports are formed, and stable linkage between the truss web members and the truss lower chords is achieved; and meanwhile, the inner partition plates of two specifications are arranged, so that the connection problem of variable cross sections is solved, and the construction efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to truss installation field, especially relate to a variable cross section docking box type structure. BACKGROUND

[0002] In steel structure engineering, the connection of truss and steel beam often faces many challenges, the connection node of truss beam and column is less researched compared to solid web steel structure beam column node, and the structure is relatively complex, especially on the design of steel bar truss floor node in drop plate area, multiple factors need to be considered, such as floor height, the height of the upper surface of the upper flange of steel beam etc. The complexity of these factors leads to difficulties in the design process, and the floor on one side of the high floor needs to be raised to meet the requirement of consistent floor elevation.

[0003] Meanwhile, the beam column connecting structure in the prior art is complex, and the connecting operation is slow, which affects the construction efficiency.

[0004] Therefore, it is urgent to design a new structure to solve the above problems. INVENTION CONTENTS

[0005] The utility model discloses a variable cross section docking box type structure, which realizes stable connection with truss web member and truss lower chord through the design of bracket web plate group to form a plurality of box type ports, and solves the connection problem of variable cross section through the setting of large section inner partition plate and small section inner partition plate, thereby improving the construction efficiency.

[0006] Technical scheme: in order to realize the above object, the utility model provides a variable cross section docking box type structure, which comprises a lower plate, a group of middle web plates, a bracket web plate group, an upper plate and a box type bracket plate group, the lower plate is sequentially provided with a group of front inner partition plates, a variable cross section inner partition plate group, a node plate and a group of tail web plates, the middle web plates are arranged between the front inner partition plates and the node plate and located on both sides of the variable cross section inner partition plate group, the tail inner partition plates are arranged between the tail web plates, the bracket web plate group is arranged on both sides of the variable cross section inner partition plate group, the node plate and the group of tail web plates, the upper plate is arranged on the front inner partition plate, the variable cross section inner partition plate group, the node plate, the tail web plate, the middle web plate and the bracket web plate group and located directly above the lower plate, and the box type bracket plate group is arranged on the upper plate and located above the front inner partition plate, the bracket web plate group cooperates with the lower plate and the upper plate to realize stable connection with the truss web member, the truss lower chord, the truss upper chord and the truss column, and the design of the variable cross section inner partition plate group ensures the realization of the requirement of variable cross section.

[0007] Further, the variable cross-section inner partition plate group comprises a large cross-section inner partition plate and three small cross-section inner partition plates; the large cross-section inner partition plate is arranged on the lower plate and located between the front inner partition plate and the node plate on one side of the near front inner partition plate; the three small cross-section inner partition plates are sequentially arranged between the large cross-section inner partition plate and the node plate and connected with the lower plate. The design of the large cross-section inner partition plate and the small cross-section inner partition plate solves the connection problem of the variable cross-section; at the same time, the multiple design of the small cross-section inner partition plate provides uniform support for the connection of the upper plate and the lower plate.

[0008] Further, the bracket web group comprises a first bracket web, a second bracket web, a third bracket web, a fourth bracket web, a fifth bracket web, a sixth bracket web, a seventh bracket web, an eighth bracket web, a first bracket web partition plate and a second bracket web partition plate; the first bracket web and the second bracket web are respectively arranged on both sides of the middle small cross-section inner partition plate; the third bracket web and the fourth bracket web are respectively arranged on both sides of the end of the node plate away from the second bracket web; the fifth bracket web is arranged on one side of the small cross-section inner partition plate near the node plate and on the same side as the second bracket web; the sixth bracket web is arranged on the fifth bracket web and oppositely arranged with the second bracket web; the seventh bracket web and the eighth bracket web are respectively arranged on both sides of the tail web; the first bracket web partition plate is arranged between the first bracket web and the three bracket webs; and the second bracket web partition plate is arranged between the fifth bracket web and the eighth bracket web. The application of the modular bracket web in the large support can reduce the material consumption, save the support erection time, shorten the construction period, improve the construction efficiency and ensure the construction safety; at the same time, since the bracket web can be constructed separately from the concrete wall or column, the main structure construction progress can be accelerated and the economic benefit can be improved.

[0009] Further, the first bracket web, the third bracket web, the lower plate and the upper plate form a first box-type port; the second bracket web, the sixth bracket web, the lower plate and the upper plate form a second box-type port; the fourth bracket web, the seventh bracket web, the lower plate and the upper plate form a third box-type port; the fifth bracket web, the eighth bracket web, the lower plate and the upper plate form a fourth box-type port; and the end faces of the first box-type port, the second box-type port and the fourth box-type port are respectively provided with a sealing plate. By designing the bracket web group, a plurality of box-type ports are formed to realize stable connection with the truss web member and the truss lower chord; at the same time, the sealing plate can increase the stability of the box-type structure, improve the torsional stiffness and bending stiffness, and cope with the complex stress state.

[0010] Further, the box bracket plate set comprises a box bracket and a box bracket inner partition plate; the box bracket is arranged on the upper plate and above the front inner partition plate; and the box bracket inner partition plate is arranged in the box bracket. Due to the characteristics of the box structure, the box bracket can provide higher support strength, and meanwhile, the design of the box bracket makes it more convenient for workers to work up and down, thereby ensuring the safety of operation.

[0011] Further, the tail web plate is matched with the lower plate and the upper plate to form a fifth box type port; and the lower plate and the upper plate are provided with a field connecting plate near the fifth box type port. The field connecting plate is connected with the truss column, thereby strengthening the stability of the connection, and meanwhile, the field connecting plate has the advantages of less bolt quantity and simple component assembly.

[0012] Further, the upper plate is provided with a plurality of safety net hooks beside the box bracket plate set. The design of the safety net hooks avoids damage to the steel structure, and compared with the traditional welded hooks, the safety net hooks are safer and more economical.

[0013] Further, the lower plate is provided with a steel beam connecting plate near the front inner partition plate below. The design of the steel beam connecting plate makes the force transmission more reasonable, thereby improving the stability and safety of the structure.

[0014] The above technical scheme can achieve the following beneficial effects:

[0015] 1. The utility model discloses a multi-variable cross-section docking box type structure, which forms a plurality of box type ports through the design of bracket web plate sets, and realizes stable linkage with truss web members and truss lower chords.

[0016] 2. The utility model discloses a multi-variable cross-section docking box type structure, which is provided with two specifications of inner partition plates, i.e., large cross-section inner partition plates and small cross-section inner partition plates, thereby solving the connection problem of the multi-variable cross-section and improving construction efficiency. DRAWINGS

[0017] Figure 1 It is a structural schematic view of the multi-variable cross-section docking box type structure.

[0018] Figure 2 It is Figure 1 a structural refinement view (with the upper plate, safety net hooks and box bracket side surfaces being hidden).

[0019] Figure 3 It is a structural schematic view of the bracket web plate set in the multi-variable cross-section docking box type structure.

[0020] In the drawing:

[0021] 1 - lower plate; 11 - field connecting plate; 12 - steel beam connecting plate;

[0022] 2-front inner partition;

[0023] 3-variable cross-section inner partition group; 31-large cross-section inner partition; 32-small cross-section inner partition;

[0024] 4-node plate;

[0025] 5-tail web plate; 51-tail inner partition;

[0026] 6-middle web plate;

[0027] 7- corbel web plate group; 71-first corbel web plate; 72-second corbel web plate; 73-third corbel web plate; 74-fourth corbel web plate; 75-fifth corbel web plate; 76-sixth corbel web plate; 77-seventh corbel web plate; 78-eighth corbel web plate; 79-first corbel web plate partition; 710-second corbel web plate partition; 711-enclosing plate;

[0028] 8-upper plate; 81-safety net hook;

[0029] 9-box corbel plate group;

[0030] 91-box corbel; 92-box corbel inner partition. DETAILED DESCRIPTION

[0031] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application. EMBODIMENT

[0032] In the embodiment, as Figure 1 and Figure 2 The present application discloses a multi-variable cross-section docking box structure, comprising a lower plate 1, a group of middle web plates 6, a corbel web plate group 7, an upper plate 8 and a box corbel plate group 9; a group of front inner partitions 2, a variable cross-section inner partition group 3, a node plate 4 and a group of tail web plates 5 are sequentially arranged on the lower plate 1; the middle web plates 6 are arranged between the front inner partitions 2 and the node plate 4, and are located on both sides of the variable cross-section inner partition group 3; the tail inner partitions 51 are arranged between the tail web plates 5; the corbel web plate group 7 is arranged on both sides of the variable cross-section inner partition group 3, the node plate 4 and the group of tail web plates 5; the upper plate 8 is arranged on the front inner partitions 2, the variable cross-section inner partition group 3, the node plate 4, the tail web plates 5, the middle web plates 6 and the corbel web plate group 7, and is located directly above the lower plate 1; the box corbel plate group 9 is arranged on the upper plate 8 and above the front inner partitions 2.

[0033] Specifically, the middle web plate 6 is fully penetrated with the lower plate 1 and the upper plate 8, and is welded using a backing plate; the tail web plate 5 is fully penetrated with the lower plate 1 and the upper plate 8, and is welded using a backing plate, with the bevel facing outwards.

[0034] Specifically, the node plate 4 is fully welded to the lower plate 1 and the upper plate 8, using a backing plate weld with the bevel facing outwards.

[0035] Specifically, the front inner partition 2 is welded with full penetration backing plates on all four sides; the rear inner partition 51 is welded with full penetration backing plates on all four sides.

[0036] In this embodiment, as Figure 1 and Figure 2 The variable cross-section inner partition 3 includes a large cross-section inner partition 31 and three small cross-section inner partitions 32; the large cross-section inner partition 31 is disposed on the lower plate 1 and is located on one side of the front inner partition 2 between the front inner partition 2 and the node plate 4; the three small cross-section inner partitions 32 are disposed sequentially between the large cross-section inner partition 31 and the node plate 4 and are connected to the lower plate 1.

[0037] Specifically, the large cross-section inner partition 31, the small cross-section inner partition 32 on the side, the lower plate 1, the upper plate 8, and the middle web plate 6 are partially melted through, and a single-sided bevel of 40° is opened, leaving a root of t / 3.

[0038] In this embodiment, as Figure 1 and Figure 3 The cow leg ventral plate group 7 includes a first cow leg ventral plate 71, a second cow leg ventral plate 72, a third cow leg ventral plate 73, a fourth cow leg ventral plate 74, a fifth cow leg ventral plate 75, a sixth cow leg ventral plate 76, a seventh cow leg ventral plate 77, an eighth cow leg ventral plate 78, a first cow leg ventral plate partition 79, and a second cow leg ventral plate partition 710; the first cow leg ventral plate 71 and the second cow leg ventral plate 72 are respectively disposed on both sides of the partition 32 in the middle small cross section; the third cow leg ventral plate 73 and the fourth cow leg ventral plate 74 are respectively disposed at the end of the node plate 4 away from the second cow leg ventral plate 72. The fifth cow leg plate 75 is located on one side of the small cross-section inner partition 32 near the node plate 4, and is on the same side as the second cow leg plate 72; the sixth cow leg plate 76 is located on the fifth cow leg plate 75, and is opposite to the second cow leg plate 72; the seventh cow leg plate 77 and the eighth cow leg plate 78 are respectively located on both sides of the tail plate 5; the first cow leg plate partition 79 is located between the first cow leg plate 71 and the third cow leg plate 73; the second cow leg plate partition 710 is located between the fifth cow leg plate 75 and the eighth cow leg plate 78.

[0039] Specifically, the third corbel web 73 and the fourth corbel web 74 are connected to the node plate 4 by full penetration root cleaning welding; the third corbel web 73 and the fourth corbel web 74 are connected to the lower plate 1 and the upper plate 8 by full penetration backing plate welding.

[0040] Specifically, the first corbel web plate 79, the third corbel web plate 73, and the fourth corbel web plate 74 are partially welded, with a single-sided bevel of 40° and a root t / 3 left; the second corbel web plate 710, the fifth corbel web plate 75, and the eighth corbel web plate 78 are fully welded, using backing plate welding.

[0041] In this embodiment, as Figure 1 and Figure 3 The first and third bull leg belly plates 71 and 73, together with the lower plate 1 and the upper plate 8, form a first box-shaped port; the second and sixth bull leg belly plates 72 and 76, together with the lower plate 1 and the upper plate 8, form a second box-shaped port; the fourth and seventh bull leg belly plates 74 and 77, together with the lower plate 1 and the upper plate 8, form a third box-shaped port; the fifth and eighth bull leg belly plates 75 and 78, together with the lower plate 1 and the upper plate 8, form a fourth box-shaped port; and the end faces of the first, second, and fourth box-shaped ports are all provided with sealing plates 711.

[0042] Specifically, the sealing plate 711 is partially melted through to the lower plate 1 and the upper plate 8, and a single-sided bevel of 40° is opened, leaving a root of t / 3.

[0043] In this embodiment, as Figure 1 and Figure 2 The box-shaped bracket assembly 9 includes a box-shaped bracket 91 and a box-shaped bracket inner partition 92; the box-shaped bracket 91 is disposed on the upper plate 8 and located above the front inner partition 2; the box-shaped bracket inner partition 92 is disposed inside the box-shaped bracket 91.

[0044] Specifically, the box-type bracket 91 is spliced ​​with full penetration and uses backing plate welding; when the natural angle is greater than or equal to 35°, the U-shape needs to be spliced ​​first, and then the outer web plate is covered; the inner partition 92 of the box-type bracket uses three-sided backing plate welding, one-sided electroslag welding, and the outermost part 800mm from the port uses four-sided backing plate welding.

[0045] In this embodiment, as Figure 1 and Figure 2 The tail section 5, together with the lower plate 1 and the upper plate 8, forms a fifth box-shaped port; the lower plate 1 and the upper plate 8 are provided with field connection plates 11 near the fifth box-shaped port.

[0046] Specifically, the connection between the field connection plate 11 and the truss column is achieved by field welding of the backing plate.

[0047] In this embodiment, as Figure 1 and Figure 2 Several safety net hooks 81 are provided on the side of the upper plate 8 and the box-shaped bracket plate group 9.

[0048] Specifically, safety nets are hung on hook 81 to ensure the safety of personnel during construction.

[0049] In this embodiment, as Figure 1 and Figure 2 The steel beam connecting plate 12 is arranged at the inner partition plate 2 of the front part below the lower plate 1.

[0050] Specifically, the steel beam connecting plate 12 is used for connecting with the steel beam, and is partially fused with the lower plate 1, and adopts a T-shaped weld.

[0051] The working principle of the above embodiment is as follows:

[0052] The utility model discloses a multi-variable cross section butt joint box type structure, and the box type port of the both sides of front inner partition plate 2 is connected with truss top chord, and first box type port and second box type port are connected with truss web member, and third box type port and fourth box type port are connected with truss bottom chord, and fifth box type port is connected with truss column, and box type bracket 91 is connected with steel beam, realize the connection between steel beam and truss.

[0053] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled person in the art, on the premise of not departing from the principle of the utility model, a number of improvements can be made, and these improvements should also be regarded as the protection scope of the utility model.

Claims

1. A multi-variable cross-section docking box type structure, characterized by: The utility model relates to a kind of box-type bracket plate groups (9), the box-type bracket plate groups (9) are equipped on upper plate (8), and are located above front inner partition (2). The utility model relates to the variable cross-section inner partition group (3) including large cross-section inner partition (31) and three small cross-section inner partitions (32); The large cross-section inner partition (31) is equipped on lower plate (1), and is located between front inner partition (2) and node plate (4) one side near front inner partition (2);Three small cross-section inner partitions (32) are sequentially arranged between large cross-section inner partition (31) and node plate (4), and are connected with lower plate (1). The utility model relates to the bracket web group (7) including first bracket web (71), second bracket web (72), third bracket web (73), fourth bracket web (74), fifth bracket web (75), sixth bracket web (76), seventh bracket web (77), eighth bracket web (78), first bracket web partition (79) and second bracket web partition (710); First bracket web (71) and second bracket web (72) are respectively equipped on both sides of the small cross-section inner partition (32) in the middle;Third bracket web (73) and fourth bracket web (74) are respectively equipped on both sides of the end of node plate (4) away from second bracket web (72);Fifth bracket web (75) is equipped on one side of small cross-section inner partition (32) near node plate (4), and is on the same side with second bracket web (72);Sixth bracket web (76) is equipped on fifth bracket web (75), and is oppositely arranged with second bracket web (72);Seventh bracket web (77) and eighth bracket web (78) are respectively equipped on both sides of tail web (5);First bracket web partition (79) is equipped between first bracket web (71) and three bracket webs (73);Second bracket web partition (710) is equipped between fifth bracket web (75) and eighth bracket web (78). ​ ​ 2. The multi-variable cross-section docking box type structure according to claim 1, characterized in that: ​ ​ 3. The multi-variable cross-section docking box type structure according to claim 2, characterized in that: ​ ​ 4. The multi-variable cross-section docking box type structure according to claim 3, characterized in that: The first bracket web plate (71), the third bracket web plate (73) and the lower plate (1) and the upper plate (8) cooperate to form a first box type port; the second bracket web plate (72), the sixth bracket web plate (76) and the lower plate (1) and the upper plate (8) cooperate to form a second box type port; the fourth bracket web plate (74), the seventh bracket web plate (77) and the lower plate (1) and the upper plate (8) cooperate to form a third box type port; the fifth bracket web plate (75), the eighth bracket web plate (78) and the lower plate (1) and the upper plate (8) cooperate to form a fourth box type port; the end surface of the first box type port, the second box type port and the fourth box type port is provided with a sealing plate (711).

5. The multi-variable cross-section docking box type structure according to claim 1, characterized in that: The box type bracket plate group (9) comprises a box type bracket (91) and a box type bracket inner partition plate (92); The box type bracket (91) is arranged on the upper plate (8) and above the front inner partition plate (2); the box type bracket inner partition plate (92) is arranged in the box type bracket (91).

6. The multi-variable cross-section docking box type structure according to claim 1, characterized in that: The tail web plate (5) and the lower plate (1) and the upper plate (8) cooperate to form a fifth box type port; the lower plate (1) and the upper plate (8) are provided with a field connection plate (11) near the fifth box type port.

7. The multi-variable cross-section docking box type structure according to claim 1, characterized in that: The upper plate (8) is provided with a plurality of safety net hooks (81) beside the box type bracket plate group (9).

8. The multi-variable cross-section docking box type structure according to claim 1, characterized in that: The lower plate (1) is provided with a steel beam connecting plate (12) below the front inner partition plate (2).

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