Steel bar truss thin-wall plate with height-adjustable lower chord bar

Abstract

The utility model discloses a steel bar truss thin-wall plate with a height-adjustable lower chord bar, and relates to the technical field of building construction, the steel bar truss thin-wall plate comprises a supporting assembly, the supporting assembly comprises an upper chord steel bar, the lower chord steel bar, a web bar and a bottom die, the bottom die is formed by pouring concrete, the bottom of the web bar is located in the bottom die, and the upper chord steel bar is fixed to the top of the web bar; the device further comprises an adjusting assembly. The adjusting assembly comprises a fixing frame, a movable rod, a connecting rod, a fixing ring and a sliding cavity. The fixing ring is fixed to the bottom of the fixing frame, and the upper chord steel bar penetrates through the fixing ring. A sliding cavity is formed in the bottom of the fixing frame. The movable rod is slidably connected into the sliding cavity. The movable rod is a rubber rectangular rod, has certain elasticity and can be bent; the movable rods are fixed to the connecting rods, and the lower chord steel bars are located on the upper sides of the connecting rods used for supporting the lower chord steel bars. The reinforcing steel bar can be adjusted to a proper position according to the diameter of a pipeline needing to be inserted, workers can conveniently insert the pipeline, and meanwhile the construction process cannot be affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building construction, especially to a steel bar truss thin wall board with adjustable lower chord height. BACKGROUND

[0002] The thin wall board is a fabricated monolithic floor formed by stacking prefabricated boards and cast-in-place reinforced concrete layers. The thin wall board has good integrity, large rigidity, can save formwork, and the upper and lower surfaces of the board are flat, which facilitates the decoration of the finish layer and is suitable for high-rise buildings and large-bay buildings with high overall rigidity requirements.

[0003] In the production of the existing concrete board, the prefabricated board is first cast in the factory, then transported to the construction site, and then the reinforced concrete layer is cast. Various pipelines are inserted in the reinforced concrete layer. Since the diameters of different pipelines are different, the height of the steel bars cannot be adjusted after being welded and fixed, and assembling the steel bars at the construction site will affect the construction progress. UTILITY MODEL CONTENTS

[0004] The embodiment of the application provides a steel bar truss thin wall board with adjustable lower chord height, solves the problems that various pipelines are inserted in the reinforced concrete layer in the prior art, the height of the steel bars cannot be adjusted after being welded and fixed, and assembling the steel bars at the construction site will affect the construction progress, and realizes that the steel bars are installed to the specified position when the prefabricated board is manufactured, the height of the steel bars is adjusted to the appropriate position according to the diameter of the pipeline to be inserted after being transported to the construction site, workers can conveniently insert the pipeline, and meanwhile, the construction progress is not affected.

[0005] The embodiment of the application provides a steel bar truss thin wall board with adjustable lower chord height, which comprises a support assembly, the support assembly comprises upper chord steel bars, lower chord steel bars, web steel bars and a bottom die, the bottom die is formed by pouring concrete, the bottom part of the web steel bars is located in the bottom die, and the upper chord steel bars are fixed at the top part of the web steel bars.

[0006] Further comprising an adjusting assembly;

[0007] The adjusting assembly comprises a fixed frame, a movable rod, a connecting rod, a fixed ring and a sliding cavity;

[0008] The fixed ring is fixed at the bottom part of the fixed frame, and the upper chord steel bars pass through the fixed ring;

[0009] The bottom part of the fixed frame is provided with the sliding cavity, and the movable rod is slidingly connected in the sliding cavity;

[0010] The movable rod is a rubber rectangular rod, the movable rod can have a certain elasticity, and the movable rod can be bent;

[0011] The movable rod is fixed on the connecting rod, the lower chord steel bar is located on the upper side of the connecting rod, and the connecting rod is used for supporting the lower chord steel bar.

[0012] Further, the connecting rod is a rectangular rod, and a gap is left between the connecting rod and the bottom die.

[0013] The bottom of the connecting rod is provided with a circular hole, and the movable rod is fixedly connected to the upper side of the connecting rod through a screw.

[0014] Further, the connecting rod is provided with a fixed seat, and the fixed seat is used for supporting the lower chord steel bar.

[0015] The fixed seat is made of elastic rubber material, the upper side of the fixed seat is arc-shaped, and the fixed seat is attached to the side wall of the lower chord steel bar.

[0016] Further, the fixed frame is a bent rectangular rod, and the two ends of the fixed frame are bent downward by 45 degrees.

[0017] The bottom surface of the fixed frame is parallel to the upper side of the connecting rod.

[0018] The fixed ring is located at the middle position of the bottom of the fixed frame.

[0019] Further, the sliding cavity is a rectangular hole, and the depth of the sliding cavity is less than the length of the movable rod.

[0020] The upper side of the movable rod is perpendicular to the upper side of the connecting rod, and the movable rod can be inclined by 45 degrees towards the middle position.

[0021] The side wall of the movable rod and the side wall of the connecting rod are located on the same plane.

[0022] Further, the diameter of the circular hole on the fixed ring is the same as the diameter of the upper chord steel bar.

[0023] The fixed ring is fixed on the bottom of the fixed frame through a fixed pin, and the fixed ring can be detached from the fixed frame.

[0024] The fixed ring can be replaced with a fixed ring having the same diameter as the upper chord steel bar according to the diameter of the upper chord steel bar.

[0025] Further, the adjusting assembly is provided with a plurality of adjusting assemblies, and the adjusting assemblies are connected in pairs on the upper chord steel bar close to the two end positions through the fixed frame.

[0026] The height of the fixed frame is higher than the height of the top of the web.

[0027] Further, the height from the bottom surface of the connecting rod to the top of the fixed frame is greater than the height of the external web of the bottom die.

[0028] A gap is left between the lower chord steel bar and the movable rod, and the fixed seat is fixedly attached to the connecting rod.

[0029] The fixed seat can adjust its position on the connecting rod according to the diameter of the lower chord steel bar.

[0030] Further, the web bar bottom and the steel mesh are welded and fixed together, the steel mesh is composed of cross-welded steel bars, and the steel mesh is located inside the bottom mold.

[0031] The one or more technical solutions provided in the embodiments of the application have at least the following technical effects or advantages:

[0032] The fixed frame is connected to the upper chord steel bar through the fixing ring, the movable rod is inserted into the fixed frame, the connecting rod fixed at the bottom of the movable rod supports the lower chord steel bar, the distance between the lower chord steel bar and the bottom mold is adjusted by moving the movable rod in the fixed frame, the height of the lower chord steel bar is adjusted according to the diameter of the pipe to be inserted, the pipe is conveniently inserted by workers, and the construction progress is not affected. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 It is a whole structure schematic view of the steel bar truss thin-wall plate with adjustable height of lower chord steel bar.

[0034] Figure 2 It is a front view structure schematic view of the steel bar truss thin-wall plate with adjustable height of lower chord steel bar. Figure 1

[0035] It is a side view structure schematic view of the steel bar truss thin-wall plate with adjustable height of lower chord steel bar. Figure 3 Figure 1 It is a structure schematic view of the adjusting assembly of the steel bar truss thin-wall plate with adjustable height of lower chord steel bar.

[0036] Figure 4 It is a sectional view structure schematic view of the steel bar truss thin-wall plate with adjustable height of lower chord steel bar.

[0037] Figure 5 Figure 4 It is a structure schematic view of the supporting assembly of the steel bar truss thin-wall plate with adjustable height of lower chord steel bar.

[0038] Figure 6 It is a structure schematic view of the supporting assembly of the steel bar truss thin-wall plate with adjustable height of lower chord steel bar.

[0039] Figure 7 It is a structure schematic view of the steel mesh and web bar connection relationship of the steel bar truss thin-wall plate with adjustable height of lower chord steel bar. ​​

[0040] Figure 8 Figure is the connecting rod structure schematic diagram of the steel bar truss thin wall board with adjustable lower chord steel bar height of the utility model.

[0041] In the drawing: 100, support assembly; 101, upper chord steel bar; 102, lower chord steel bar; 103, web steel bar; 104, base mould; 105, steel mesh sheet;

[0042] 200, adjusting assembly; 201, fixed frame; 202, movable rod; 203, connecting rod; 204, fixed ring; 205, fixed seat; 206, sliding cavity. DETAILED DESCRIPTION

[0043] In order to facilitate the understanding of the utility model, the following will be described more comprehensively with reference to the relevant drawings; the preferred embodiments of the utility model are shown in the drawings, however, the utility model can be realized in many different forms, and is not limited to the embodiments described herein; on the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0044] It should be noted that the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are only for the purpose of illustration, and are not the only embodiment.

[0045] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs; the terms used in the specification of the utility model herein are only for the purpose of describing the specific embodiments, and are not intended to limit the utility model; the term "and / or" used herein includes any and all combinations of one or more related listed items.

[0046] As Figures 1 to 8As shown, the application provides a steel truss thin-wall plate with adjustable lower chord height, which comprises a support assembly 100, the support assembly 100 comprises upper chord steel bars 101, lower chord steel bars 102, web steel bars 103 and a bottom mold 104, the bottom mold 104 is formed by pouring concrete, the bottom part of the web steel bars 103 is located in the bottom mold 104, the upper half of the web steel bars 103 extends out of the bottom mold 104, and the upper chord steel bars 101 are fixed on the top of the web steel bars 103; the steel truss thin-wall plate further comprises an adjusting assembly 200; the adjusting assembly 200 comprises a fixed frame 201, a movable rod 202, a connecting rod 203, a fixed ring 204 and a sliding cavity 206; the fixed ring 204 is fixed on the bottom of the fixed frame 201, and the upper chord steel bars 101 pass through the fixed ring 204; the bottom of the fixed frame 201 is provided with the sliding cavity 206, the movable rod 202 is slidingly connected in the sliding cavity 206, and the movable rod 202 can drive the connecting rod 203 to move up and down when the movable rod 202 moves in the sliding cavity 206; the movable rod 202 is a rubber rectangular rod, the sliding cavity 206 extends obliquely upward, the movable rod 202 can have a certain elasticity, and the movable rod 202 can be bent, so that the movable rod 202 can be conveniently inserted into the sliding cavity 206, and after the movable rod 202 is inserted into the sliding cavity 206, the movable rod 202 is fixed in the sliding cavity 206 under the action of its own elasticity, so that the friction between the movable rod 202 and one side wall of the sliding cavity 206 is increased, and the lower chord steel bars 102 are fixed at a specified height after the movable rod 202 is inserted into the sliding cavity 206 and then fixed in the sliding cavity 206; the movable rod 202 is fixed on the connecting rod 203, the lower chord steel bars 102 are located on the upper side of the connecting rod 203, and the connecting rod 203 is used for supporting the lower chord steel bars 102.

[0047] Preferably, the connecting rod 203 is a rectangular rod, and a gap is left between the connecting rod 203 and the bottom mold 104; a circular hole is formed in the bottom of the connecting rod 203, a screw passes through the circular hole in the bottom of the connecting rod 203, and the movable rod 202 is fixedly connected to the upper side of the connecting rod 203 through the screw.

[0048] Preferably, a fixed seat 205 is fixed on the connecting rod 203, and the fixed seat 205 is used for supporting the lower chord steel bars 102; the fixed seat 205 is made of elastic rubber material, the upper side of the fixed seat 205 is arc-shaped, the fixed seat 205 is attached to the side wall of the lower chord steel bars 102, and the lower chord steel bars 102 can be attached to the fixed seat 205 when moving on the fixed seat 205, so that the lower chord steel bars 102 are prevented from moving on the connecting rod 203.

[0049] Preferably, the fixed frame 201 is a bent rectangular rod, the two ends of the fixed frame 201 are bent downward by 45 degrees, the movable rod 202 is attached to the side wall of the fixed frame 201 under the elasticity of the movable rod 202 after being inserted into the fixed frame 201, so that the movable rod 202 is fixed in the fixed frame 201; the bottom surface of the fixed frame 201 is parallel to the upper surface of the connecting rod 203; and the fixed ring 204 is located at the middle position of the bottom of the fixed frame 201.

[0050] Preferably, the sliding cavity 206 is a rectangular hole, the depth of the sliding cavity 206 is less than the length of the movable rod 202, when the movable rod 202 and the bottom of the sliding cavity 206 are in contact, part of the movable rod 202 is still outside the sliding cavity 206, the lower chord steel bar 102 is at the included angle formed by the movable rod 202 and the connecting rod 203, the upper side of the lower chord steel bar 102 is attached to the movable rod 202, under the joint action of the movable rod 202 and the fixed seat 205, the lower chord steel bar 102 is fixed to avoid deviation of the lower chord steel bar 102 during movement; the upper sides of the movable rod 202 and the connecting rod 203 are perpendicular, the movable rod 202 can be inclined by 45 degrees towards the middle position, thereby facilitating the connection of the movable rod 202 to the fixed frame 201; the side walls of the movable rod 202 and the connecting rod 203 are located on the same plane.

[0051] Preferably, the diameter of the circular hole of the fixed ring 204 is the same as the diameter of the upper chord steel bar 101, so that the side wall of the upper chord steel bar 101 can be attached to the side wall of the circular hole of the fixed ring 204, the upper chord steel bar 101 is a threaded steel bar, and a rubber ring is arranged in the fixed ring 204, thereby increasing the friction between the upper chord steel bar 101 and the fixed ring 204 to prevent the fixed ring 204 from sliding on the upper chord steel bar 101; the fixed ring 204 is fixed to the bottom of the fixed frame 201 by a fixed pin, and the fixed ring 204 can be detached from the fixed frame 201; the diameters of the various steel bars inside the thin-walled plate of different sizes are different, the diameters of the various steel bars inside the longer thin-walled plate are larger, the fixed ring 204 can be replaced with a fixed ring 204 having the same diameter as the upper chord steel bar 101 according to the diameter of the upper chord steel bar 101, thereby facilitating the reuse of the adjusting assembly 200 to adapt to thin-walled plates with different steel bar sizes.

[0052] Preferably, a plurality of adjusting assemblies 200 are provided, the adjusting assemblies 200 are connected in pairs on the upper chord steel bar 101 near the two end portions by the fixed frame 201, when adjusting the height of the lower chord steel bar 102, two workers simultaneously adjust the position of the movable rod 202 in the sliding cavity 206, thereby moving the connecting rod 203 and the lower chord steel bar 102; the height of the fixed frame 201 is slightly higher than the top of the abdomen, and the fixed frame 201 can be embedded in the concrete during pouring of the concrete.

[0053] Preferably, after the height adjustment of the lower chord steel bar 102 is completed, the movable rod 202 can be pulled out of the fixed frame 201, then the fixed frame 201 and the fixed ring 204 are separated, and the fixed ring 204 is poured into the concrete layer during pouring of the concrete layer, the fixed ring 204 is made of plastic material and will not affect the overall strength of the concrete layer after the pouring of the concrete layer is completed, and the fixed frame 201, the movable rod 202 and the connecting rod 203 can be reused.

[0054] The bottom of the web 103 and the steel mesh 105 are preferably welded together, and the steel mesh 105 is composed of steel bars cross-welded together and located inside the bottom mold 104.

[0055] Preferably, the height of the bottom surface of the connecting rod 203 to the top of the fixing frame 201 is greater than the height of the web 103 outside the bottom mold 104; a gap is left between the lower chord steel bar 102 and the movable rod 202, and the fixing seat 205 is fixedly attached to the connecting rod 203; the fixing seat 205 can adjust its position on the connecting rod 203 according to the diameter of the lower chord steel bar 102, so that the lower chord steel bar 102 can always be attached to the fixing seat 205.

[0056] The lower chord steel bar height-adjustable steel truss thin-wall slab of the embodiment of the present application has the following advantages in actual use:

[0057] First, the fixing ring 204 and the fixing frame 201 are fixed together, the upper chord steel bar 101 is passed through the fixing ring 204, and then the movable rod 202 and the connecting rod 203 are fixed, and the movable rod 202 is inserted into the sliding cavity 206, so that the lower chord steel bar 102 is attached to the fixing seat 205 on the connecting rod 203; after the thin-wall slab is transported to the construction site, the worker adjusts the movable rod 202 in the sliding cavity 206 according to the construction requirement, moves the connecting rod 203 through the movable rod 202, and drives the lower chord steel bar 102 to move up and down, so as to adjust the height of the lower chord steel bar 102; after the lower chord steel bar 102 is adjusted to the appropriate height, the lower chord steel bar 102 and the web 103 are welded together, and then the adjusting assembly 200 is disassembled, and the concrete layer is poured on the bottom mold 104.

[0058] The above description is only the preferred embodiments of the present application, and is not used to limit the present application; for those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A steel bar truss thin-walled slab with adjustable lower chord bar height, comprising a support assembly (100), the support assembly (100) comprising an upper chord steel bar (101), a lower chord steel bar (102), a web steel bar (103) and a bottom mold (104), the bottom mold (104) being formed by pouring concrete, the web steel bar (103) being located at the bottom of the bottom mold (104), and the upper chord steel bar (101) being fixed at the top of the web steel bar (103); characterized in that further comprising an adjusting assembly (200); the adjusting assembly (200) comprising a fixed frame (201), a movable rod (202), a connecting rod (203), a fixed ring (204) and a sliding cavity (206); the fixed ring (204) being fixed at the bottom of the fixed frame (201), and the upper chord steel bar (101) passing through the fixed ring (204); the bottom of the fixed frame (201) being provided with the sliding cavity (206), and the movable rod (202) being slidingly connected in the sliding cavity (206); the movable rod (202) being a rubber rectangular rod, the movable rod (202) being capable of having a certain elasticity, and the movable rod (202) being capable of being bent; the movable rod (202) being fixed on the connecting rod (203), the lower chord steel bar (102) being located on the upper side of the connecting rod (203), and the connecting rod (203) being used for supporting the lower chord steel bar (102).

2. The height-adjustable bottom chord reinforced truss thin-wall slab according to claim 1, characterized in that, the connecting rod (203) being a rectangular rod, and a gap being left between the connecting rod (203) and the bottom mold (104); a circular hole being formed at the bottom of the connecting rod (203), and the movable rod (202) being fixedly connected on the upper side of the connecting rod (203) by means of a screw.

3. The height-adjustable bottom chord reinforced truss thin-wall slab according to claim 2, characterized in that, the connecting rod (203) being fixed with a fixed seat (205), and the fixed seat (205) being used for supporting the lower chord steel bar (102); the fixed seat (205) being made of elastic rubber material, the upper side of the fixed seat (205) being arc-shaped, and the fixed seat (205) being attached to the side wall of the lower chord steel bar (102).

4. The height-adjustable bottom chord reinforced truss thin-wall slab according to claim 1, characterized in that, the fixed frame (201) being a bent rectangular rod, and the two ends of the fixed frame (201) being bent downward by 45 degrees; the bottom surface of the fixed frame (201) being parallel to the upper side surface of the connecting rod (203); the fixed ring (204) being located at the middle position of the bottom of the fixed frame (201).

5. The height-adjustable bottom chord reinforced truss thin-wall slab according to claim 1, characterized in that, the sliding cavity (206) being a rectangular hole, and the depth of the sliding cavity (206) being less than the length of the movable rod (202); the upper side surface of the movable rod (202) being perpendicular to the upper side surface of the connecting rod (203), and the movable rod (202) being capable of being inclined by 45 degrees toward the middle position; the side wall of the movable rod (202) and the side wall of the connecting rod (203) being located on the same plane.

6. The height-adjustable bottom chord reinforced truss thin-wall slab according to claim 1, characterized in that, the diameter of the circular hole of the fixed ring (204) being the same as the diameter of the upper chord steel bar (101); the fixed ring (204) being fixed on the bottom of the fixed frame (201) by means of a fixed pin, and the fixed ring (204) being capable of being detached from the fixed frame (201); the fixed ring (204) being capable of being replaced by a fixed ring (204) with the same diameter as the upper chord steel bar (101) according to the diameter of the upper chord steel bar (101).

7. The height-adjustable bottom chord reinforced truss thin-wall slab according to claim 1, characterized in that, The adjusting assembly (200) is provided with a plurality of pairs of the adjusting assembly (200) is connected on the upper chord steel bar (101) through the fixing frame (201) near the both end positions; The height of the fixing frame (201) is higher than the top of the abdomen.

8. The height-adjustable bottom chord reinforced truss thin-wall slab according to claim 3, characterized in that, The height from the bottom surface of the connecting rod (203) to the top of the fixing frame (201) is greater than the height of the outer web (103) of the bottom die (104); The gap is left between the lower chord steel bar (102) and the movable rod (202), and the fixing seat (205) is pasted and fixed on the connecting rod (203); The fixing seat (205) can adjust the position thereof on the connecting rod (203) according to the diameter of the lower chord steel bar (102).

9. The height-adjustable bottom chord reinforced truss thin-wall slab according to claim 1, characterized in that, The bottom of the web (103) and the steel mesh (105) are welded and fixed together, the steel mesh (105) is composed of steel bars cross-welded, and the steel mesh (105) is located in the inside of the bottom die (104).

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