Cross-steel-beam continuous laminated slab

Abstract

The utility model relates to the technical field of building materials, and discloses a cross-steel-beam continuous laminated slab which comprises a laminated slab body, the laminated slab body comprises a concrete bottom slab and a plurality of prestressed reinforcements, a gland and a supporting bottom are arranged on the two side faces, perpendicular to the prestressed reinforcements, of the concrete bottom slab respectively, and the two side faces of the concrete bottom slab are each provided with a gland and a supporting bottom. The two ends of each prestressed steel bar extend to the corresponding pressing cover and the corresponding supporting bottom correspondingly, the faces, connected with the prestressed steel bars in a penetrating mode, of the pressing covers and the faces, connected with the supporting bottoms in a penetrating mode, of the supporting bottoms and the pressing covers are obliquely arranged, and during connection, the pressing covers and the supporting bottoms of every two adjacent laminated slab bodies are correspondingly clamped. The problem that manual adjustment of the position of the laminated slab is time-consuming and labor-consuming during hoisting is solved, clamping guide structures are arranged in the transverse direction and the longitudinal direction of the connecting face, positioning during hoisting is facilitated, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building materials, and more specifically, to a continuous composite plate spanning a steel beam. Background Art

[0002] The continuous composite slab across the steel beam is a precast concrete base plate with stiffening ribs. After being assembled on site, reinforcement is arranged on the precast base plate, and the composite floor slab is formed by post-poured concrete on site. It has moderate rigidity, requires no or little support, has a wide range of applications, and can be flexibly selected.

[0003] When in use, large lifting equipment is required to transport it to the appropriate position, and then check the width of the joint. According to the check result, the position of the composite plate is adjusted to the appropriate joint size to ensure the stability of the connection after the joint is cast. However, the composite plate is heavy, and manual operation is difficult, time-consuming and labor-intensive during adjustment. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model aims to provide a continuous composite plate across steel beams that is easy to join.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A continuous composite slab across steel beams, comprising a composite slab body, the composite slab body comprising a concrete bottom plate and a plurality of prestressed steel bars, a gland and a bottom support are respectively arranged on two side surfaces of the concrete bottom plate perpendicular to the prestressed steel bars, the two ends of the prestressed steel bars extend to the gland and the bottom support respectively, the surfaces of the gland and the bottom support that are connected to the prestressed steel bars are arranged in an inclined shape, when connected, the glands and the bottom support of two adjacent composite slab bodies are correspondingly engaged, the bottom surface of the bottom support is flush with the bottom surface of the concrete bottom plate, and a boss 2 is arranged on one end of the bottom support that is away from the corresponding concrete bottom plate, so that The second boss is arranged on the upper end surface of the support, and a groove one is formed between the second boss, the support and the concrete bottom plate. The cross-sections of the second boss and the groove one are both trapezoidal, and the short side of the trapezoid of the second boss faces upward. The pressure cover is arranged in the middle position of the concrete bottom plate, and the end of the pressure cover away from the corresponding concrete bottom plate is provided with a boss one, and the first boss is arranged on the lower end surface of the pressure cover, and a groove two is formed between the first boss, the pressure cover and the concrete bottom plate. The first boss of two adjacent composite plate bodies is pressed together with the groove one, and the second boss of two adjacent composite plate bodies is pressed together with the groove two.

[0007] The utility model is further configured as follows: the two ends of the prestressed steel bar are respectively extended to connect with the boss one and the boss two, the part of the prestressed steel bar in the groove two is cast by concrete on the groove bottom of the groove two, and forms a tenon two, and a plurality of tenon grooves two are correspondingly opened on the boss two, and the tenon two is engaged with the tenon groove two, and the part of the prestressed steel bar in the groove one is cast by concrete on the groove bottom of the groove one, and forms a tenon one, and a plurality of tenon grooves one are correspondingly opened on the boss one, and the tenon one is engaged with the tenon groove one.

[0008] The utility model is further configured as follows: the cross sections of the tenon 1 and the tenon groove 1 as well as the tenon 2 and the tenon groove 2 are all triangular.

[0009] The utility model is further configured as follows: a plurality of connection holes 1 are opened through the upper surface of the pressure cover in the vertical direction, a plurality of connection holes 2 are opened through the upper surface of the support bottom in the vertical direction, and the plurality of connection holes 1 correspond one-to-one with the connection holes 2 of the adjacent composite plate bodies and are commonly connected with a plurality of fixing parts.

[0010] The utility model is further configured as follows: the fixing member includes a cross bar, a plurality of placement grooves are provided on both sides of the upper end surface of the concrete bottom plate, the placement grooves relative to each other of two adjacent composite plate bodies are connected to the cross bar, a plurality of connecting rods are vertically connected to the cross bar, and the connecting rods are simultaneously inserted into the corresponding connecting hole one and connecting hole two.

[0011] The advantages of the utility model are:

[0012] 1. A gland and a bottom support are provided at both ends of the composite board body. Both the gland and the bottom support are composed of a groove and a boss. The cross-sections of the groove and the boss are both set to be trapezoidal, which has a certain guiding effect. During hoisting, the gland of the subsequent composite board body falls on the bottom support, driven by the boss and the groove until the gland and the bottom support are correspondingly engaged. At this time, the two composite board bodies are placed in place, and there is no need to repeatedly adjust the joints, which is convenient to operate;

[0013] 2. The engagement between the gland and the bottom supports forms a maze structure. When pouring concrete later, there will be no leakage from the joints, and there is no need to add an additional bottom plate, which improves the operation efficiency.

[0014] 3. The prestressed steel bars extend to the boss position on both sides, and are cast with concrete at the bottom of the groove to form a tenon. A corresponding tenon groove is opened on the boss. The cross-sections of the tenon and the tenon groove are triangular, which has a certain guiding effect. When the adjacent pressure covers and the bottom support are engaged, the tenon and the tenon groove are engaged respectively, thereby realizing the lateral positioning of the composite plate body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of an embodiment of the utility model;

[0016] Figure 2 For along Figure 1 The AA line section is shown;

[0017] Figure 3 For along Figure 1 The BB line cross-section is shown;

[0018] Figure 4 For along Figure 1 The CC line cross-section is shown;

[0019] Figure 5 This is a schematic diagram of the bottom supporting structure of the utility model;

[0020] Figure 6 This is a schematic diagram of the gland structure of the utility model;

[0021] In the figure: 1. composite slab body; 11. concrete bottom plate; 12. prestressed steel bar; 13. placement groove; 2. gland; 21. boss one; 22. mortise one; 23. tenon two; 24. connecting hole one; 25. groove two; 3. bottom support; 31. boss two; 32. mortise two; 33. tenon one; 34. connecting hole two; 35. groove one; 4. fixing piece; 41. cross bar; 42. connecting rod. DETAILED DESCRIPTION

[0022] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0023] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0024] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0025] See also Figure 1-6 , the utility model provides the following technical solutions:

[0026] A continuous composite plate across a steel beam comprises a composite plate body 1, wherein the composite plate body 1 comprises a concrete bottom plate 11 and a plurality of prestressed steel bars 12, a gland 2 and a support 3 are respectively arranged on two side surfaces perpendicular to the concrete bottom plate 11 and the prestressed steel bars 12, and two ends of the prestressed steel bars 12 extend to the gland 2 and the support 3 respectively to improve the strength of the gland 2 and the support 3, when two composite plate bodies 1 are connected, the relative glands 2 and the support 3 are correspondingly engaged, and the surfaces where the gland 2 and the support 3 are connected with the prestressed steel bars 12 are arranged in an inclined shape, which has a certain guiding effect when the two composite plate bodies 1 are spliced ​​with each other, and is convenient for positioning and installation.

[0027] The bottom surface of the support base 3 is flush with the bottom surface of the concrete bottom plate 11, and a boss 2 31 is provided at one end of the support base 3 away from the corresponding concrete bottom plate 11. The boss 2 31 is provided on the upper end surface of the support base 3, and a groove 1 35 is formed between the boss 2 31, the support base 3 and the concrete bottom plate 11. The cross-sections of the boss 2 31 and the groove 1 35 are both trapezoidal, and the short side of the trapezoid of the boss 2 31 faces upward. The gland 2 is provided in the middle position of the concrete bottom plate 11, and a boss 21 is provided at one end of the gland 2 away from the corresponding concrete bottom plate 11. The boss 21 is provided on the lower end surface of the gland 2, and the boss 21 and the gland 2 are in a A groove 25 is formed between the concrete base plate 11, the boss 21 of two adjacent composite plate bodies 1 is pressed into the groove 35, and the boss 31 of two adjacent composite plate bodies 1 is pressed into the groove 25. During hoisting, the trapezoidal structure of the boss and the groove can guide the composite plate body 1 placed later to move to a mutually engaged position, which can ensure that the joints are tightly fitted with each other for easy hoisting. When the pressure cover 2 is engaged with the bottom support 3, the connection surface forms a maze structure, which can prevent the overflow of concrete during the subsequent pouring process without the need to install an additional base plate structure, thereby reducing workload and improving work efficiency.

[0028] The two ends of the prestressed steel bar 12 extend to connect with the boss 1 21 and the boss 2 31 respectively. The part of the prestressed steel bar 12 in the groove 25 is cast by concrete on the bottom of the groove 25 to form the tenon 23. The boss 2 31 is provided with a plurality of tenon grooves 32. The part of the prestressed steel bar 12 in the groove 35 is cast by concrete on the bottom of the groove 35 to form the tenon 33. The boss 1 21 is provided with a plurality of tenon grooves 22. The cross sections of the tenon 33 and the tenon groove 22 and the tenon 23 and the tenon groove 22 are all triangular.

[0029] During hoisting, all tenons 23 and tenons 32 as well as tenons 33 and tenons 22 are correspondingly engaged, and the triangular structure has a certain guiding effect, which is convenient for accurate connection during hoisting; and the prestressed steel bars 12 on both sides can be engaged with each other, thereby improving the strength of the connection between the two composite plate bodies 1 and improving its bearing capacity.

[0030] A plurality of connection holes 24 are formed on the gland 2 in the vertical direction, and a plurality of connection holes 34 are formed on the bottom 3 in the vertical direction. The plurality of connection holes 24 correspond to the connection holes 34 of the adjacent composite plate body 1 one by one, and are connected to a plurality of fixing members 4.

[0031] The fixing member 4 includes a cross bar 41. A plurality of placement grooves 13 are provided on both sides of the upper end surface of the concrete base plate 11. The placement grooves 13 opposite to each other of the two adjacent composite plate bodies 1 are connected to the cross bar 41. A plurality of connecting rods 42 are vertically connected to the cross bar 41. The connecting rods 42 are simultaneously inserted into the corresponding connecting hole 1 24 and the connecting hole 2 34. The fixing member 4 enhances the stability and strength of the connection between the two composite plate bodies 1.

[0032] Specifically, a pressure cap 2 and a supporting bottom 3 are provided at both ends of the composite board body 1. The pressure cap 2 and the supporting bottom 3 are both composed of a groove and a boss. The cross-sections of the groove and the boss are both set to be trapezoidal, which has a certain guiding effect. When hoisting, the pressure cap 2 of the subsequent composite board body 1 falls on the supporting bottom 3, driven by the boss and the groove until the pressure cap 2 and the supporting bottom 3 are correspondingly engaged. At this time, the two composite board bodies 1 are placed in place without repeatedly adjusting the seam, and the operation is convenient;

[0033] The engagement of the gland 2 and the support bottom 3 forms a maze structure, so that when pouring concrete later, there will be no leakage from the joints downwards, and no additional bottom plate is required, thereby improving the operation efficiency;

[0034] The prestressed steel bars 12 extend to the boss position on both sides and are cast with concrete at the bottom of the groove to form a tenon. A corresponding tenon groove is provided on the boss. The cross-sections of the tenon and the tenon groove are both triangular, which has a certain guiding effect. When the adjacent pressure covers 2 and the bottom supports 3 are engaged, the tenons and the tenons grooves are engaged respectively, thereby realizing the lateral positioning of the composite plate body 1.

[0035] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0036] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0037] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar opposites, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0038] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A continuous composite plate across a steel beam, comprising a composite plate body (1), characterized in that: The composite plate body (1) comprises a concrete base plate (11) and a plurality of prestressed steel bars (12). A pressure cap (2) and a support base (3) are respectively arranged on two side surfaces of the concrete base plate (11) perpendicular to the prestressed steel bars (12). The two ends of the prestressed steel bars (12) extend to the pressure cap (2) and the support base (3) respectively. The surfaces of the pressure cap (2) and the support base (3) penetrating the prestressed steel bars (12) are arranged in an inclined shape. When connected, the pressure caps (2) and the support base (3) of two adjacent composite plate bodies (1) are correspondingly engaged. The bottom surface of the support base (3) is flush with the bottom surface of the concrete base plate (11). The end of the support base (3) away from the corresponding concrete base plate (11) is provided with a second boss (31). The second boss (31) is arranged on the upper end surface of the support base (3). A groove (35) is formed between the boss (31) and the support (3) and the concrete bottom plate (11); the cross-sections of the boss (31) and the groove (35) are both trapezoidal; the short side of the trapezoid of the boss (31) faces upward; the gland (2) is arranged at the middle position of the concrete bottom plate (11); a boss (21) is arranged at one end of the gland (2) away from the corresponding concrete bottom plate (11); the boss (21) is arranged on the lower end surface of the gland (2); a groove (25) is formed between the boss (21) and the gland (2) and the concrete bottom plate (11); the bosses (21) and the groove (35) of two adjacent composite plate bodies (1) are pressed together; and the bosses (31) and the groove (25) of two adjacent composite plate bodies (1) are pressed together.

2. The continuous composite slab across steel beams according to claim 1, characterized in that: The two ends of the prestressed steel bar (12) extend to connect with the boss one (21) and the boss two (31) respectively; the part of the prestressed steel bar (12) in the groove two (25) is cast by concrete on the groove bottom of the groove two (25) to form the tenon two (23); the boss two (31) is correspondingly provided with a plurality of tenon grooves two (32); the tenon two (23) is engaged with the tenon groove two (32); the part of the prestressed steel bar (12) in the groove one (35) is cast by concrete on the groove bottom of the groove one (35) to form the tenon one (33); the boss one (21) is correspondingly provided with a plurality of tenon grooves one (22); the tenon one (33) is engaged with the tenon groove one (22).

3. The continuous composite slab across steel beams according to claim 2, characterized in that: The cross sections of the tenon 1 (33) and the tenon groove 1 (22) as well as the tenon 2 (23) and the tenon groove 2 (32) are all triangular.

4. The continuous composite slab across steel beams according to claim 1, characterized in that: The pressure cover (2) is provided with a plurality of connection holes (24) extending through it in the vertical direction, and the support base (3) is provided with a plurality of connection holes (34) extending through it in the vertical direction. The plurality of connection holes (24) correspond one-to-one to the connection holes (34) of the adjacent composite plate body (1) and are connected together with a plurality of fixing members (4).

5. The continuous composite slab across steel beams according to claim 4, characterized in that: The fixing member (4) comprises a cross bar (41), and a plurality of placement grooves (13) are provided on both sides of the upper end surface of the concrete base plate (11), and the placement grooves (13) opposite to each other of two adjacent composite plate bodies (1) are connected to the cross bar (41) in common, and a plurality of connecting rods (42) are vertically connected to the cross bar (41), and the connecting rods (42) are simultaneously inserted into the corresponding connecting hole 1 (24) and the corresponding connecting hole 2 (34).

Images