Light steel bar truss floor support plate with high bearing capacity

Abstract

The invention relates to the technical field of building components, in particular to a high-bearing-capacity light steel bar truss floor support plate which comprises a bottom die and a steel bar truss and further comprises a connecting assembly. During use, the main body is arranged on the bottom die, the slot at the bottom of the main body is aligned with the through hole in the bottom die, then the shell penetrates through the through hole in the bottom die to be inserted into the slot at the bottom of the main body, after the shell is inserted in place, the abutting plate abuts against the bottom surface of the bottom die, the pull rod is driven by the driving component to move at the moment, and the pull rod drives the driving seat to move downwards; when the bottom die is assembled and disassembled, the inclined plane on the driving seat abuts against the inclined planes on the locking pieces, the driving seat drives the two locking pieces to be far away from each other at the moment, the locking pieces stretch into the positioning grooves in the main body at the moment, and therefore the shell is locked on the main body, and the purpose of conveniently assembling and disassembling the bottom die is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of building components, and in particular to a lightweight steel bar truss floor deck with high bearing capacity. Background Art

[0002] Steel truss floor decking is a kind of steel truss that is welded into stress-bearing steel bars in the floor slab in the factory. The traditional steel truss floor decking connects the bottom form and the steel truss through connectors, but it is not convenient to disassemble. At the same time, the steel truss transmits the lateral force to the bottom form. Under the action of the lateral force, the bottom form is tensilely deformed, which leads to a decrease in the support stiffness, and finally affects the support effect of the bottom form.

[0003] Prior art CN109487941B discloses a steel truss floor deck, comprising a bottom form and a plurality of steel trusses arranged in parallel on the bottom form; the two ends of the web bars of the steel trusses are fixedly connected to the upper chord steel bars and the lower chord steel bars respectively; each steel truss is connected to the bottom form through a plurality of connectors located in a row; the two edges of the upper end surface of the chamfered platform-shaped body of the connector extend downward to form an arc-shaped clamping groove, the lower end surface of which is provided with a rectangular blind hole, and the inside of the connector is provided with a clamping blind hole at the end of the rectangular blind hole, the clamping blind hole is located at the center of the two long side walls of the rectangular blind hole and is perpendicular to the two long side walls; the distance between the two arc-shaped clamping grooves is the distance between the two lower chord steel bars; the two arc-shaped clamping grooves of the connector are clamped and fixed on the two lower chord steel bars of the steel truss, and the lower end of the connector is fixedly connected to the bottom form through a T-shaped fastener. The bottom form of the present invention will not produce tensile deformation after the concrete is poured, has a good supporting effect, and is simple and convenient to install and disassemble.

[0004] The above device offsets the force transmitted to the bottom mold through the connecting piece, avoiding the bottom mold from tensile deformation affecting the bearing effect. However, the connecting piece and the bottom mold are connected by fasteners and nuts, which makes the subsequent disassembly of the bottom mold more cumbersome. Summary of the invention

[0005] The purpose of the present invention is to provide a lightweight steel bar truss floor deck with high bearing capacity to solve the problem.

[0006] To achieve the above-mentioned objectives, the present invention provides a high-bearing-capacity lightweight steel truss floor deck, comprising a bottom form and a steel truss, and also comprising a connecting assembly located between the bottom form and the steel truss; the connecting assembly comprises a main body, a shell, a locking piece, a driving seat, a pull rod, an abutment plate and a driving member, the main body is connected to the steel truss and to the bottom form, and is located on one side of the bottom form, the shell penetrates the bottom form and extends into the main body, the locking piece is slidably connected to the shell and is located inside the shell, the driving seat is slidably connected to the shell and abuts against the locking piece and is located inside the shell, the pull rod is fixedly connected to the driving seat and is located on one side of the driving seat; the abutment plate is fixedly connected to the shell, slidably connected to the pull rod and abuts against the bottom form, and the driving member is arranged on the pull rod and drives the pull rod to move.

[0007] Among them, the steel truss includes upper chord steel bars, lower chord steel bars and web steel bars, the lower chord steel bars are connected to the main body and arranged on the main body; the web steel bars are fixedly connected to the lower chord steel bars and arranged on the lower chord steel bars; the upper chord steel bars are fixedly connected to the web steel bars and are located at one end of the web steel bars away from the lower chord steel bars.

[0008] Wherein, the driving component includes a rotating sleeve and a cam, the rotating sleeve is rotatably connected to the pull rod and is located on one side of the pull rod; the cam is fixedly connected to the rotating sleeve and is sleeved on the rotating sleeve.

[0009] Wherein, the driving component also includes a wrench, which is detachably connected to the rotating sleeve and is arranged on the cam.

[0010] Wherein, the abutment plate includes a plate body and a rubber pad, the plate body is fixedly connected to the shell, and is slidably connected to the pull rod, and is sleeved on the pull rod; the rubber pad is fixedly connected to the plate body, and is located on one side of the plate body close to the bottom mold.

[0011] In which, the connecting assembly also includes a locking component, which includes a moving part, a moving shaft and a locking plate, the locking plate is slidably connected to the pull rod and is arranged on the pull rod; the moving shaft is fixedly connected to the locking plate and is arranged on the locking plate; the moving part is arranged on the pull rod and drives the moving shaft to move; a locking groove cooperating with the locking plate is provided on one side of the cam.

[0012] Wherein, the moving component includes a lifting column and a reset spring, the lifting column is slidably connected to the pull rod and is arranged on the pull rod; the two ends of the reset spring are respectively abutted against the lifting column and the pull rod, and the reset spring is sleeved on the lifting column.

[0013] The light-weight steel truss floor deck with high bearing capacity of the present invention is used to place the main body on the bottom mold, and align the slot at the bottom of the main body with the through hole on the bottom mold, and then insert the shell into the slot at the bottom of the main body through the through hole on the bottom mold. When the shell is inserted into place, the abutment plate abuts against the bottom surface of the bottom mold, and then the pull rod is driven to move by the driving member, so that the pull rod drives the driving seat to move downward, and the inclined surface on the driving seat abuts against the inclined surface on the locking member. At this time, the driving seat drives the two locking members to move against each other. Move away, at this time the locking piece extends into the positioning groove on the main body, thereby locking the shell on the main body. At this time, the bottom mold is supported by the abutment plate, and finally the steel truss is installed on the main body to complete the assembly. When the concrete pouring is completed, the pull rod is driven to move in the opposite direction by the driving component. At this time, the driving seat and the locking piece are reset. When the locking piece is re-integrated into the shell, the shell can be removed from the main body, thereby removing the bottom mold, thereby achieving the purpose of facilitating the installation and disassembly of the bottom mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0015] Figure 1 It is a schematic diagram of the overall structure of a lightweight steel truss floor deck with high bearing capacity according to the first embodiment of the present invention.

[0016] Figure 2 It is a schematic diagram of the installation structure of the main body of the first embodiment of the present invention.

[0017] Figure 3 The first embodiment of the present invention Figure 2 Enlarged view of point A.

[0018] Figure 4 It is a schematic diagram of the installation structure of the rotating sleeve of the first embodiment of the present invention.

[0019] Figure 5 2 is a schematic structural diagram of a locking groove according to a second embodiment of the present invention.

[0020] Figure 6 2 is a schematic structural diagram of a locking member according to a second embodiment of the present invention.

[0021] Figure 7 It is a schematic diagram of the installation structure of the moving shaft of the second embodiment of the present invention.

[0022] In the figure: 101-bottom mold, 102-rebar truss, 103-connecting assembly, 104-main body, 105-shell, 106-locking piece, 107-driving seat, 108-pull rod, 109-abutment plate, 110-driving member, 111-upper chord steel bar, 112-lower chord steel bar, 113-web steel bar, 114-rotating sleeve, 115-cam, 116-wrench, 117-plate body, 118-rubber pad, 119-positioning groove, 120-locking spring, 201-locking member, 202-moving part, 203-moving shaft, 204-locking plate, 205-lifting column, 206-reset spring, 207-locking groove, 208-driving groove, 209-driving column, 210-rotating block, 211-handle. DETAILED DESCRIPTION

[0023] Embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be construed as limiting the present invention.

[0024] First embodiment:

[0025] See also Figures 1 to 4 ,in Figure 1 This is the overall structural diagram of the high-bearing-capacity lightweight steel truss floor deck. Figure 2 This is a schematic diagram of the main installation structure. Figure 3 yes Figure 2 A magnified image of Figure 4 It is a schematic diagram of the installation structure of the rotating sleeve.

[0026] The present invention provides a light-weight steel truss floor deck with high bearing capacity, comprising a bottom mold 101, a steel truss 102 and a connecting assembly 103, wherein the connecting assembly 103 comprises a main body 104, a shell 105, a locking member 106, a driving seat 107, a tie rod 108, an abutment plate 109 and a driving member 110, wherein the steel truss 102 comprises an upper chord steel bar 111, a lower chord steel bar 112 and a web steel bar 113, wherein the driving member 110 comprises a rotating sleeve 114, a cam 115 and a wrench 116, wherein the abutment plate 109 comprises a plate body 117 and a rubber pad 118, wherein the tie rod 108 is driven to rise by the driving member 110 The driving seat 107 is lowered, thereby driving the driving seat 107 to rise and fall. When the driving seat 107 is lowered, the two locking members 106 are driven to move away from each other, so that the locking members 106 are inserted into the positioning grooves 119 on the main body 104, thereby completing the installation of the main body 104. When the driving seat 107 rises, the locking members 106 are reset. At this time, the shell 105 and the bottom mold 101 can be disassembled, thereby achieving the purpose of facilitating the installation and disassembly of the bottom mold 101. It can be understood that the above-mentioned scheme can be used to facilitate the installation and disassembly of the bottom mold 101, and can also be used to lock the pull rod 108.

[0027] According to this specific embodiment, the bottom mold 101 is provided with a through hole that matches the shell 105 , and a plurality of the steel bar trusses 102 are provided.

[0028] The main body 104 is connected to the steel bar truss 102 and to the bottom mold 101, and is located on one side of the bottom mold 101. The shell 105 penetrates the bottom mold 101 and extends into the main body 104. The locking member 106 is slidably connected to the shell 105 and is located inside the shell 105. The driving seat 107 is slidably connected to the shell 105 and abuts against the locking member 106 and is located inside the shell 105. The pull rod 108 is fixedly connected to the driving seat 107 and is located on one side of the driving seat 107. The abutment plate 109 is fixedly connected to the shell 105 and slidably connected to the pull rod 108. Abutting against the bottom mold 101, the driving member 110 is arranged on the pull rod 108 and drives the pull rod 108 to move; one of the steel trusses 102 is connected to the bottom mold 101 through multiple connecting components 103, two of the locking members 106 are arranged on a shell 105, and a positioning groove 119 cooperating with the locking member 106 is arranged inside the main body 104, and the locking member 106 and the driving seat 107 are provided with mutually cooperating inclined surfaces, and a slot cooperating with the shell 105 is arranged at the bottom of the main body 104, so that the shell 105 can be inserted into the main body 104; when in use, the main body 104 is placed on the bottom The housing 105 is inserted into the housing 104 through the through hole on the bottom mold 101. When the housing 105 is inserted into place, the abutment plate 109 abuts against the bottom surface of the bottom mold 101. At this time, the pull rod 108 is driven to move by the driving member 110, so that the pull rod 108 drives the driving seat 107 to move downward. The inclined surface on the driving seat 107 abuts against the inclined surface on the locking member 106. At this time, the driving seat 107 drives the two locking members 106 to move away from each other. At this time, the locking member 106 extends into the main body 1 04, thereby locking the shell 105 on the main body 104. At this time, the bottom mold 101 is supported by the abutment plate 109. Finally, the steel truss 102 is installed on the main body 104 to complete the assembly. After the concrete pouring is completed, the pull rod 108 is driven to move in the opposite direction by the driving member 110. At this time, the driving seat 107 and the locking member 106 are reset. When the locking member 106 is re-integrated into the shell 105, the shell 105 can be removed from the main body 104, thereby removing the bottom mold 101, thereby achieving the purpose of facilitating the installation and disassembly of the bottom mold 101.

[0029] Secondly, the connecting assembly 103 also includes a locking spring 120, the two ends of which are respectively connected to the locking piece 106 and the shell 105. When the locking piece 106 is extended, the locking spring 120 is squeezed. In this way, after the driving seat 107 is reset, the locking spring 120 releases elastic potential energy, thereby driving the locking piece 106 to reset and re-enter the shell 105.

[0030] At the same time, the lower chord steel bar 112 is connected to the main body 104 and is arranged on the main body 104; the web bar 113 is fixedly connected to the lower chord steel bar 112 and is arranged on the lower chord steel bar 112; the upper chord steel bar 111 is fixedly connected to the web bar 113 and is located at the end of the web bar 113 away from the lower chord steel bar 112; two clamping grooves are arranged on the left and right sides of the main body 104, and two lower chord steel bars 112 are arranged, and the two lower chord steel bars 112 are respectively clamped with the main body 104.

[0031] In addition, the rotating sleeve 114 is rotatably connected to the pull rod 108 and is located on one side of the pull rod 108 ; the cam 115 is fixedly connected to the rotating sleeve 114 and sleeved on the rotating sleeve 114 .

[0032] Then, the wrench 116 is detachably connected to the rotating sleeve 114 and is disposed on the cam 115 .

[0033] The cam 115 is provided with a protrusion. When driving the pull rod 108 to move, the wrench 116 is connected to the rotating sleeve 114, and then the wrench 116 is rotated to drive the rotating sleeve 114 and the cam 115 to rotate. When the protrusion on the cam 115 contacts the abutment plate 109, the rotation of the cam 115 drives the rotating sleeve 114 to move, and then the rotating sleeve 114 drives the pull rod 108 to move, thereby achieving the purpose of driving the pull rod 108 to move.

[0034] Finally, the plate body 117 is fixedly connected to the shell body 105, and is slidably connected to the pull rod 108, and is sleeved on the pull rod 108; the rubber pad 118 is fixedly connected to the plate body 117, and is located on the side of the plate body 117 close to the bottom mold 101; the elasticity of the rubber pad 118 allows the rubber pad 118 to be compressed, which makes it convenient to install bottom molds 101 of different thicknesses.

[0035] Second embodiment:

[0036] Based on the first embodiment, please refer to Figures 5 to 7 , Figure 5is a schematic structural diagram of the locking groove of the second embodiment, Figure 6 is a schematic structural diagram of a locking member according to a second embodiment, Figure 7 It is a schematic diagram of the installation structure of the moving shaft of the second embodiment. The connecting assembly 103 of this embodiment also includes a locking member 201, and the locking member 201 includes a moving part 202, a moving shaft 203 and a locking plate 204. The moving part 202 includes a lifting column 205 and a return spring 206. The wrench 116 includes a driving column 209, a rotating block 210 and a handle 211.

[0037] According to this specific embodiment, the locking plate 204 is slidably connected to the pull rod 108 and is arranged on the pull rod 108; the movable shaft 203 is fixedly connected to the locking plate 204 and is arranged on the locking plate 204; the movable component 202 is arranged on the pull rod 108 and drives the movable shaft 203 to move; a locking groove 207 cooperating with the locking plate 204 is provided on one side of the cam 115.

[0038] The lifting column 205 is slidably connected to the pull rod 108 and is disposed on the pull rod 108 ; two ends of the return spring 206 are respectively in contact with the lifting column 205 and the pull rod 108 , and the return spring 206 is sleeved on the lifting column 205 .

[0039] The lifting column 205 is provided with a driving groove 208 that cooperates with the moving shaft 203. The driving groove 208 is inclined. When the lifting column 205 moves, it drives the driving groove 208 to move. The driving groove 208 drives the moving shaft 203 to move left and right, and then drives the locking plate 204 to move left and right, so that the locking plate 204 extends into or out of the locking groove 207 on the cam 115, thereby locking and unlocking the cam 115.

[0040] Secondly, the driving column 209 is detachably connected to the pull rod 108 and is located inside the pull rod 108; the rotating block 210 is fixedly connected to the driving column 209 and is located at one end of the driving column 209; the handle 211 is fixedly connected to the rotating block 210 and is located on the side of the rotating block 210 away from the driving column 209; a rectangular groove is provided on the rotating sleeve 114 to cooperate with the rotating block 210, the driving column 209 is cylindrical, and a conical surface is provided at the end, and an inclined surface is provided at the lower end of the lifting column 205. When in use, the driving column 209 is passed through the The rectangular groove on the rotating sleeve 114 extends into the interior of the pull rod 108, and the driving column 209 drives the lifting column 205 to rise during the extension process, so that the driving groove 208 on the lifting seat drives the moving shaft 203 to move, and the moving shaft 203 drives the locking plate 204 to be retracted into the pull rod 108, so that the locking plate 204 cannot interfere with the rotation of the cam 115, and then the rotating block 210 is embedded in the rectangular groove on the rotating sleeve 114. At this time, rotating the handle 211 drives the rotating block 210 and the rotating sleeve 114 to rotate, thereby driving the cam 115 to rotate.

[0041] When using the high-bearing-capacity lightweight steel truss floor decking of the present invention, the main body 104 is placed on one side of the bottom mold 101, and then the shell 105 is extended into the inside of the main body 104 through the through hole on the bottom mold 101, so that the abutment plate 109 abuts against the bottom mold 101. At this time, the staff extends the driving column 209 and the rotating block 210 into the pull rod 108 and the rotating sleeve 114 respectively, and the driving column 209 drives the lifting column 205 to rise, thereby driving the driving slot 208 to rise, so that the driving slot 208 drives the moving shaft 203 to move. The movable shaft 203 drives the locking plate 204 to be retracted into the pull rod 108. At this time, the handle 211 is rotated to drive the rotating block 210, the rotating sleeve 114 and the cam 115 to rotate, so that the cam 115 drives the pull rod 108 to move, and the pull rod 108 drives the driving seat 107 to descend, so that the driving seat 107 drives the two locking members 106 to move away, so that the locking members 106 extend into the positioning groove 119 on the main body 104. When the cam 115 is rotated into place, the locking groove 207 on the cam 115 and the locking plate 204 are locked. 04, then pull out the driving column 209 and the rotating block 210, at this time the lifting column 205 is reset under the action of the reset spring 206, thereby driving the moving shaft 203 and the locking plate 204 to reset, so that the locking plate 204 is re-extended, thereby extending into the locking groove 207 to lock the cam 115, at this time the cam 115 cannot rotate under the limit of the locking plate 204, thereby completing the installation of the bottom mold 101; when disassembling, again extend the driving column 209 and the rotating block 210 into the pull rod 108 and the rotating sleeve 114 , and rotate the handle 211. During the extension of the driving column 209, the locking plate 204 moves out of the locking groove 207. At this time, the cam 115 rotates in the opposite direction, thereby resetting the pull rod 108 and the driving seat 107. After the driving seat 107 is reset, the locking member 106 is reset under the action of the locking spring 120, thereby moving the locking member 106 out of the positioning groove 119. At this time, the shell 105 and the bottom mold 101 can be disassembled for convenient reuse. The present invention can achieve the purpose of facilitating the staff to install and disassemble the bottom mold 101.

[0042] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A lightweight steel truss floor deck with high bearing capacity, comprising a bottom form and a steel truss, characterized in that: Also included is a connection assembly between the bottom form and the steel bar truss; The connecting assembly includes a main body, a shell, a locking piece, a driving seat, a pull rod, an abutment plate and a driving member. The main body is connected to the steel truss and to the bottom mold, and is located on one side of the bottom mold. The shell penetrates the bottom mold and extends into the main body. The locking piece is slidably connected to the shell and is located inside the shell. The driving seat is slidably connected to the shell and abuts against the locking piece and is located inside the shell. The pull rod is fixedly connected to the driving seat and is located on one side of the driving seat; the abutment plate is fixedly connected to the shell, slidably connected to the pull rod and abuts against the bottom mold. The driving member is arranged on the pull rod and drives the pull rod to move.

2. The high-bearing-capacity lightweight steel truss floor deck as claimed in claim 1, characterized in that: The steel bar truss includes an upper chord steel bar, a lower chord steel bar and a web bar steel bar, wherein the lower chord steel bar is connected to the main body and arranged on the main body; the web bar steel bar is fixedly connected to the lower chord steel bar and arranged on the lower chord steel bar; the upper chord steel bar is fixedly connected to the web bar steel bar and is located at one end of the web bar steel bar away from the lower chord steel bar.

3. The high-bearing-capacity lightweight steel truss floor deck as claimed in claim 1, characterized in that: The driving component comprises a rotating sleeve and a cam. The rotating sleeve is rotatably connected to the pull rod and is located on one side of the pull rod. The cam is fixedly connected to the rotating sleeve and is sleeved on the rotating sleeve.

4. The high-bearing-capacity lightweight steel truss floor deck as claimed in claim 3, characterized in that: The driving component also includes a wrench, which is detachably connected to the rotating sleeve and is arranged on the cam.

5. The light-weight steel truss floor deck with high bearing capacity as claimed in claim 1, characterized in that: The abutment plate includes a plate body and a rubber pad. The plate body is fixedly connected to the shell, slidably connected to the pull rod, and sleeved on the pull rod; the rubber pad is fixedly connected to the plate body and is located on a side of the plate body close to the bottom mold.

6. The high-bearing-capacity lightweight steel truss floor deck as claimed in claim 3, characterized in that: The connecting assembly also includes a locking component, which includes a moving part, a moving shaft and a locking plate. The locking plate is slidably connected to the pull rod and is arranged on the pull rod; the moving shaft is fixedly connected to the locking plate and is arranged on the locking plate; the moving part is arranged on the pull rod and drives the moving shaft to move; a locking groove that cooperates with the locking plate is provided on one side of the cam.

7. The high-bearing-capacity lightweight steel truss floor deck as claimed in claim 6, characterized in that: The moving component comprises a lifting column and a return spring. The lifting column is slidably connected to the pull rod and is arranged on the pull rod. Two ends of the return spring are respectively in contact with the lifting column and the pull rod. The return spring is sleeved on the lifting column.

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