Floor support plate bottom die and preparation method thereof

Abstract

The floor support plate bottom die comprises a concrete layer, a supporting framework, a metal framework, first steel bars and second steel bars, the metal framework is arranged at the bottom of the supporting framework, the concrete layer wraps the metal framework, the supporting framework is arranged on the metal framework in a snake shape, the first steel bars are fixedly connected to the top of the supporting framework, and the second steel bars are fixedly connected to the bottom of the supporting framework. The second reinforcements are fixedly connected to the bottom of the supporting framework; the structural strength of the floor support plate can be effectively improved.

Description

Technical Field

[0001] The invention belongs to the technical field of construction, and in particular relates to a floor deck bottom formwork and a preparation method thereof. Background Art

[0002] With the development of my country's construction economy, the demand for steel truss floor decking has gradually increased. Steel truss floor decking is widely used in the construction industry, generally used in large steel structure buildings. Steel truss floor decking is a composite floor decking in which the steel bars in the floor slab are processed into trusses in the factory and the trusses are connected to the bottom formwork into one.

[0003] The base membrane is generally cast by concrete. The ordinary concrete structure has low strength, which makes the floor building have safety hazards. The trusses connected to the concrete are prone to cracking of the concrete layer, which in turn affects the structural quality of the entire floor deck. Summary of the invention

[0004] The content of this application is used to introduce concepts in a brief form, which will be described in detail in the detailed implementation section below. The content of this application is not intended to identify the key features or essential features of the technical solution claimed for protection, nor is it intended to limit the scope of the technical solution claimed for protection.

[0005] In order to overcome the deficiencies of the prior art, the present invention provides a floor deck bottom formwork and a preparation method thereof.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a floor deck bottom formwork, including a concrete layer, a supporting frame, a metal frame, a first steel bar and a second steel bar, the metal frame is arranged at the bottom of the supporting frame, the concrete layer is coated on the metal frame, the supporting frame is arranged on the metal frame in a serpentine shape, the first steel bar is fixedly connected to the top of the supporting frame, and the second steel bar is fixedly connected to the bottom of the supporting frame.

[0007] Furthermore, the metal frame is a frame structure.

[0008] Furthermore, the supporting frame includes a first bending portion, a second bending portion and a connecting portion, the first bending portion protrudes above the concrete layer, the second bending portion is attached to the surface of the concrete layer, the first steel bar is fixedly connected to the first bending portion, and the second steel bar is fixedly connected to the second bending portion.

[0009] Furthermore, the first steel bar and the second steel bar are both fixedly connected to the supporting frame by welding.

[0010] Furthermore, both ends of the second steel bar protrude from the plane where the end surface of the concrete layer is located.

[0011] As another aspect of the present application, a method for preparing the above-mentioned floor deck bottom formwork is also disclosed, comprising the following steps:

[0012] a. Weld and manufacture the metal frame according to the required floor deck size;

[0013] b. Bend the steel bars to make a supporting frame, and weld the supporting frame to the metal frame;

[0014] c. After cutting the steel bars into the specified length, weld them to the supporting frame;

[0015] d. placing the metal frame welded with the supporting frame into the casting pool for concrete pouring;

[0016] e. After the concrete solidifies, take out the finished product and obtain the bottom formwork of the floor deck.

[0017] Furthermore, the specific operation of step c is: placing the steel bar on the cutting machine so that one end of the steel bar is against the baffle of the cutting machine, fixing the steel bar and then flipping down the cutter to complete the cutting of the steel bar.

[0018] Furthermore, the cutting machine includes a base, a cutter mounting frame, a cutter, a motor, a pad and a baffle, the motor is arranged on the base, the cutter mounting frame is rotatably connected to the motor, the cutter is on the cutter mounting frame, and the motor can drive the cutter to rotate; the pad is on one side of the motor, a guide rod is provided on the baffle, a guide groove for the guide rod to move is provided on the base, and the baffle is at one end of the pad.

[0019] Furthermore, a positioning groove is provided on the pad block, a first fixed groove is provided on the side wall on one side of the positioning groove, a first movable groove is provided on the side wall on the other side of the positioning groove, a first connecting rod is provided in the first movable groove, a clamp is provided at one end of the first connecting rod, and the first connecting rod can move in the first movable groove so that the clamp pushes the steel bar into the first fixed groove.

[0020] Furthermore, a second movable groove is provided at the bottom of the first fixed groove, a fixed block is provided in the second movable groove, a push block and a transmission plate are provided on the base, one end of the transmission plate is rotatably connected to the fixed block, and the other end is rotatably connected to the push block, a connecting plate is also provided on the base, the middle part of the transmission plate is rotatably connected to the connecting plate, and a first return spring is provided at the bottom of the push block.

[0021] The invention is beneficial in that it provides a floor deck bottom mold and a preparation method thereof which can effectively increase the structural strength of the floor deck. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The drawings constituting a part of this application are used to provide a further understanding of this application, so that other features, purposes and advantages of this application become more obvious. The drawings and descriptions of the exemplary embodiments of this application are used to explain this application and do not constitute an improper limitation on this application.

[0023] In addition, throughout the drawings, the same or similar reference numerals represent the same or similar elements. It should be understood that the drawings are schematic and that the components and elements are not necessarily drawn to scale.

[0024] In the attached picture:

[0025] Figure 1 It is a schematic structural diagram of an uncast concrete layer of a floor deck bottom formwork in an embodiment of the present invention.

[0026] Figure 2 It is a schematic structural diagram of a floor deck bottom formwork for casting a concrete layer in one embodiment of the present invention.

[0027] Figure 3 The figure is a schematic diagram of the structure of a cutting machine in one embodiment of the present invention.

[0028] Figure 4 for Figure 3 A cross-sectional view of a spacer block of a cutting machine in the illustrated embodiment.

[0029] Figure 5 for Figure 4 Enlarged view of point A in .

[0030] Figure 6 for Figure 3 A cross-sectional view of the fourth connecting rod of the cutting machine in the illustrated embodiment.

[0031] Figure 7 for Figure 3 A cross-sectional view of a second connecting rod of the cutting machine in the illustrated embodiment.

[0032] Figure 8 for Figure 7 Enlarged view of point B in .

[0033] The meanings of the reference numerals in the figures are as follows:

[0034] 1. Support frame; 11. First bending portion; 12. Second bending portion; 13. Connecting portion; 2. First steel bar; 3. Second steel bar; 4. Metal frame; 5. Concrete layer;

[0035] 101, base; 102, cutter mounting bracket; 103, cutter; 104, motor; 105, cushion block; 1051, positioning groove; 106, push block; 107, first return spring; 108, connecting plate; 109, second push plate; 110, baffle plate; 111, fixed block; 112, transmission plate; 113, first rubber pad; 114, second rubber pad; 115, movable rod; 116, first connecting rod; 1161, slider; 117, clamping plate; 118, protrusion; 119, limit block; 1191, second connecting spring; 120, first connecting spring; 121, second connecting rod; 122, first push plate; 123, fourth connecting rod; 124, third return spring; 125, second connecting rod; 1251, second fixed groove; 126, movable block; 1261, positioning block; 1262, handle. DETAILED DESCRIPTION

[0036] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as being limited to the embodiments set forth herein. On the contrary, these embodiments are provided to provide a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are only for exemplary purposes and are not intended to limit the scope of protection of the present disclosure.

[0037] It should also be noted that, for ease of description, only the parts related to the invention are shown in the drawings. In the absence of conflict, the embodiments and features in the embodiments of the present disclosure can be combined with each other.

[0038] It should be noted that the concepts such as "first" and "second" mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0039] It should be noted that the modifications of "one" and "plurality" mentioned in the present disclosure are illustrative rather than restrictive, and those skilled in the art should understand that unless otherwise clearly indicated in the context, it should be understood as "one or more".

[0040] The names of the messages or information exchanged between multiple devices in the embodiments of the present disclosure are only used for illustrative purposes and are not used to limit the scope of these messages or information.

[0041] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0042] like Figure 1-2As shown, a floor deck bottom formwork includes a concrete layer 5, a support frame 1, a metal frame 4, a first steel bar 2 and a second steel bar 3. The metal frame 4 is a frame structure, which is arranged at the bottom of the support frame 1. The concrete layer 5 is coated on the metal frame 4. The support frame 1 is arranged on the metal frame 4 in a serpentine shape. The first steel bar 2 is fixedly connected to the top of the support frame 1, and the second steel bar 3 is fixedly connected to the bottom of the support frame 1. The metal frame 4 is used to increase the structural strength of the concrete layer 5, and provide supporting force for the concrete layer 5 from the inside. By first fixing the support frame 1 on the metal frame 4, the concrete layer 5 and the support frame 1 are doubly connected, thereby reinforcing the connection effect between the support frame 1 and the concrete layer 5 and ensuring the structural strength of the floor deck.

[0043] The supporting frame 1 includes a first bending portion 11, a second bending portion 12 and a connecting portion 13. The first bending portion 11 protrudes above the concrete layer 5, the second bending portion 12 is attached to the surface of the concrete layer 5, the first steel bar 2 is fixedly connected to the first bending portion 11, and the second steel bar 3 is fixedly connected to the second bending portion 12.

[0044] The first steel bar 2 and the second steel bar 3 are both fixedly connected to the supporting frame 1 by welding; the two ends of the second steel bar 3 protrude from the plane where the end face of the concrete layer 5 is located, so that the second steel bar 3 can be against the pouring pool when the concrete layer 5 is poured, thereby keeping the metal frame in a suspended state and ensuring that the concrete layer 5 can completely cover the metal frame 4.

[0045] As another aspect of the present application, a method for preparing the above-mentioned floor deck bottom formwork is also disclosed, comprising the following steps:

[0046] a. Weld and manufacture the metal frame according to the required floor deck size;

[0047] b. Bend the steel bars to make a supporting frame, and weld the supporting frame to the metal frame;

[0048] c. After cutting the steel bars into the specified length, weld them to the supporting frame;

[0049] d. placing the metal frame welded with the supporting frame into the casting pool for concrete pouring;

[0050] e. After the concrete solidifies, take out the finished product and obtain the bottom formwork of the floor deck.

[0051] Specifically, the specific operation of step c is: placing the steel bar on the cutting machine so that one end of the steel bar is against the baffle of the cutting machine, fixing the steel bar and then flipping down the cutter to complete the cutting of the steel bar.

[0052] More specifically, Figure 3-8As shown, the cutting machine includes a base 101, a cutter 103 mounting frame 102, the cutter 103, a motor 104, a cushion block 105 and a baffle 110. The motor 104 is arranged on the base 101, the cutter 103 mounting frame 102 is rotatably connected to the motor 104, the cutter 103 is on the cutter 103 mounting frame 102, the motor 104 can drive the cutter 103 to rotate, and the connection and cooperation between the cutter 103 and the motor 104 is the same as the electric saw transmission structure on the cutting machine in the prior art; the cushion block 105 is located on one side of the motor 104, a guide rod is provided on the baffle 110, a guide groove for the guide rod to move is provided on the base 101, and the baffle 110 is located at one end of the cushion block 105.

[0053] A second connecting rod 125121 is also provided on the baffle 110, and a third movable groove is provided on the side wall of the base 101. The second connecting rod 125121 is inserted into the third movable groove. The second connecting rod 125121 is marked with a scale. An observation window is provided on the third movable groove. The scale is in the observation window. The distance between the baffle 110 and the connecting seat can be controlled by checking the scale through the observation window to cut the steel bars of a specified length.

[0054] The second connecting rod 125121 is provided with a plurality of second fixed grooves 1251, a through groove is provided at the top of the third movable groove, a groove is provided at the top of the through groove, a movable block 126 is passed through the through groove, a positioning block 1261 corresponding to the second fixed groove 1251 is provided at the bottom of the movable block 126, a handle 1262 corresponding to the groove is provided at the top of the movable block 126, and a groove is provided on the side wall of the groove so as to push out the handle 1262 in the groove; after the position of the baffle 110 is adjusted, the second connecting rod 125121 is fixed in the third movable groove by utilizing the cooperation of the positioning block 1261 and the second fixed groove 1251, thereby fixing the baffle 110 and completing the position adjustment of the baffle 110.

[0055] A positioning groove 1051 is provided on the pad 105, a first fixed groove is provided on one side wall of the positioning groove 1051, a first movable groove is provided on the other side wall of the positioning groove 1051, a first connecting rod 116 is provided in the first movable groove, a clamping plate 117 is provided at one end of the first connecting rod 116, and the first connecting rod 116 can move in the first movable groove so that the clamping plate 117 pushes the steel bar into the first fixed groove.

[0056] Specifically, a movable rod 115 is provided in the first movable groove, a connecting spring is provided on the side wall of the movable rod 115, and one end of the connecting spring is connected to the inner wall of the first movable groove; a slider 1161 is provided at one end of the first connecting rod 116, and a sliding groove for the slider 1161 to move is provided on the movable rod 115.

[0057] A fourth movable groove is provided at the bottom of the first movable groove, a limit block 119 is provided in the fourth movable groove, an inclined groove is provided on the limit block 119, a second return spring is provided at the bottom of the limit block 119, and the bottom end of the second return spring is fixedly connected to the bottom surface of the fourth movable groove; a protrusion 118 is provided on the movable rod 115, and a limit groove corresponding to the limit block 119 is provided on the protrusion 118; an movable cavity is provided on the side wall of the fourth movable groove, and the movable cavity is an L-shaped structure, a third connecting rod is provided on the limit block 119, and the third connecting rod is also an L-shaped structure, the top end of the third connecting rod passes through the movable cavity, and the top end of the third connecting rod is provided with a first push plate 122.

[0058] A transmission cavity is provided at the bottom of the first movable groove, a fourth connecting rod 123 is provided at the bottom of the movable rod 115, one end of the fourth connecting rod 123 passes through the transmission cavity, a second push plate 109 is provided at the end of the fourth connecting rod 123 passing through the transmission cavity, a third return spring 124 is provided on the fourth connecting rod 123, and one end of the third return spring 124 rests on the inner wall of the transmission cavity.

[0059] A second movable groove is provided at the bottom of the first fixed groove, a fixed block 111 is provided in the second movable groove, a push block 106 and a transmission plate 112 are provided on the base 101, one end of the transmission plate 112 is rotatably connected to the fixed block 111, and the other end is rotatably connected to the push block 106, a connecting plate 108 is also provided on the base 101, the middle part of the transmission plate 112 is rotatably connected to the connecting plate 108, a first return spring 107 is provided at the bottom of the push block 106, and the transmission plate 112 is a telescopic plate.

[0060] A first mounting groove is provided on the top of the first fixing groove, a first rubber pad 113 is provided in the first mounting groove, a second mounting groove is provided on the top of the fixing block 111, a second rubber pad 114 is provided in the second mounting groove, and the friction between the fixing block 111 and the steel bar is increased by the arrangement of the first rubber pad 113 and the second rubber pad 114, thereby providing a good fixing effect for the steel bar.

[0061] The pad 105 is provided with a recess corresponding to the cutter 103 ; the bottom of the base 101 is provided with an anti-skid pad to increase the friction between the base 101 and the ground so as to fix the base 101 on the ground.

[0062] When cutting the steel bar, first adjust the distance between the baffle plate 110 and the base 101, put the steel bar into the positioning groove 1051 and make one end of the steel bar rest on the baffle plate 110, locate the cutting point of the steel bar, push the first push plate 122, the first push plate 122 drives the limit block 119 to move, the limit block 119 moves out of the limit groove, the clamping plate 117 pushes the steel bar in the positioning groove 1051 to move into the first fixed groove, the steel bar enters the first fixed groove and is on the fixed block 111, step on the push block 106, the push block 106 pushes the transmission plate 112 to rotate, and the transmission plate 112 pushes the fixed block 111 Move to the top of the first fixed groove, the fixed block 111 pushes the steel bar to rise and press the steel bar against the top surface of the first fixed groove, the steel bar is clamped and fixed by the fixed block 111 and the inner wall of the first fixed groove, and the cutter 103 is turned down to cut the steel bar; after the steel bar is cut, the push block 106 is released, and the first reset spring 107 pushes the push block 106 to reset, the fixed block 111 descends, and pushes the second push plate 109 to move, the second push plate 109 drives the movable rod 115 to move, and the clamping plate 117 enters the first movable groove, and the steel bar is moved out of the first fixed groove, and the cut steel bar can be directly taken out from the positioning groove 1051.

[0063] When the fixed block 111 pushes the steel bar to rise, the fixed block 111 abuts against the clamping plate 117, the fixed block 111 pushes the clamping plate 117 to move, and the slider 1161 moves in the slide groove, so that the fixed block 111 rises normally.

[0064] The baffle 110 can be used to accurately control the cutting length of the steel bars, reduce the measurement process, and make steel bar cutting more convenient; the fixing block 111 and the clamping plate 117 are used to provide a good fixing effect for the steel bars, prevent the steel bars from moving during cutting, and ensure the steel bar cutting effect; the fixing block 111 is pushed to move and the clamping plate 117 is reset by stepping on the foot, freeing both hands and making the steel bar cutting operation smoother.

[0065] The above descriptions are only some preferred embodiments of the present disclosure and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the embodiments of the present disclosure is not limited to the technical solutions formed by a specific combination of the above-mentioned technical features, but should also cover other technical solutions formed by any combination of the above-mentioned technical features or their equivalent features without departing from the above-mentioned inventive concept. For example, the above-mentioned features are replaced with the technical features with similar functions disclosed in the embodiments of the present disclosure (but not limited to) and the technical solutions formed.

Claims

1. A floor deck bottom formwork, characterized in that: It includes a concrete layer, a supporting frame, a metal frame, a first steel bar and a second steel bar. The metal frame is arranged at the bottom of the supporting frame, the concrete layer is coated on the metal frame, the supporting frame is arranged on the metal frame in a serpentine shape, the first steel bar is fixedly connected to the top of the supporting frame, and the second steel bar is fixedly connected to the bottom of the supporting frame.

2. The floor deck bottom formwork according to claim 1, characterized in that: The metal skeleton is a frame structure.

3. The floor deck bottom formwork according to claim 1, characterized in that: The support frame includes a first bending portion, a second bending portion and a connecting portion, the first bending portion protrudes above the concrete layer, the second bending portion is attached to the surface of the concrete layer, the first steel bar is fixedly connected to the first bending portion, and the second steel bar is fixedly connected to the second bending portion.

4. The floor deck bottom formwork according to claim 1, characterized in that: The first steel bar and the second steel bar are both fixedly connected to the supporting frame by welding.

5. The floor deck bottom formwork according to claim 1, characterized in that: Both ends of the second steel bar protrude from the plane where the end surface of the concrete layer is located.

6. A method for preparing a floor deck bottom formwork as claimed in any one of claims 1 to 5, characterized in that: The following steps are involved: a. Weld and manufacture the metal frame according to the required floor deck size; b. bending the steel bars to form a supporting frame, and welding the supporting frame to the metal frame; c. After cutting the steel bars into the specified length, weld them to the supporting frame; d. placing the metal frame welded with the supporting frame into the casting pool for concrete pouring; e. After the concrete solidifies, take out the finished product and obtain the bottom formwork of the floor deck.

7. The method for preparing a floor deck bottom formwork according to claim 6, characterized in that: The specific operation of step c is: placing the steel bar on the cutting machine so that one end of the steel bar is against the baffle of the cutting machine, fixing the steel bar and then flipping down the cutter to complete the cutting of the steel bar.

8. The method for preparing a floor deck bottom formwork according to claim 7, characterized in that: The cutting machine includes a base, a cutter mounting frame, a cutter, a motor, a cushion block and a baffle, wherein the motor is arranged on the base, the cutter mounting frame is rotatably connected to the motor, the cutter is located on the cutter mounting frame, and the motor can drive the cutter to rotate; the cushion block is located on one side of the motor, a guide rod is provided on the baffle plate, a guide groove for the guide rod to move is provided on the base, and the baffle plate is located at one end of the cushion block.

9. The method for preparing a floor deck bottom formwork according to claim 8, characterized in that: A positioning groove is provided on the pad block, a first fixed groove is provided on a side wall on one side of the positioning groove, a first movable groove is provided on a side wall on the other side of the positioning groove, a first connecting rod is provided in the first movable groove, a clamping plate is provided at one end of the first connecting rod, and the first connecting rod can move in the first movable groove so that the clamping plate pushes the steel bar into the first fixed groove.

10. The method for preparing a floor deck bottom formwork according to claim 9, characterized in that: A second movable groove is provided at the bottom of the first fixed groove, a fixed block is provided in the second movable groove, a push block and a transmission plate are provided on the base, one end of the transmission plate is rotatably connected to the fixed block, and the other end is rotatably connected to the push block, a connecting plate is also provided on the base, the middle part of the transmission plate is rotatably connected to the connecting plate, and a first return spring is provided at the bottom of the push block.

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