Assembled floor system convenient to disassemble

Abstract

The utility model is applicable to the technical field of fabricated buildings, and provides a conveniently-disassembled fabricated floor system, which is characterized in that a metal truss and a strip-shaped supporting plate are assembled in a factory in advance to form an inter-beam connecting bridge frame, and the transportation difficulty is reduced by adopting a mode of separately transporting a bottom template and the inter-beam connecting bridge frame; the bottom formwork is installed between the inter-beam connecting bridge frames on a construction site, the two adjacent supporting plates are used for supporting the bottom formwork, meanwhile, after concrete pouring is completed, the bottom formwork is rapidly dismantled and recycled through the formwork quick-dismantling unit, and the formwork quick-dismantling unit is of three structures. They aim to create a gap between the bottom formwork and the concrete layer to facilitate rapid separation of the bottom formwork from the concrete layer.

Description

Technical Field

[0001] The utility model is applicable to the technical field of assembled buildings and provides a readily disassembled assembled floor slab. Background Art

[0002] In the construction field, the traditional floor construction method usually first builds a full-height scaffolding under the construction surface as a basic support, and then goes through auxiliary projects such as installing the bracket → laying the base plate → tying the steel truss → laying the pipeline, and finally pouring concrete to complete the floor construction. This method is a typical non-assembled building construction process. At present, my country has begun to vigorously promote prefabricated buildings. Prefabricated buildings refer to transferring a large number of on-site operations in traditional construction methods to factories, processing and manufacturing building components and accessories (such as floor slabs, wall panels, stairs, balconies, etc.) in the factory, transporting them to the construction site, and assembling and installing them on site through reliable connection methods. In some areas, the assembly rate of buildings is regarded as an important factor in the approval of building design. In order to meet the requirements of the indicators, the construction industry is currently shifting to prefabricated building construction, and some companies have begun to produce prefabricated floor slabs. Their usual practice is to complete the tying of the steel trusses in the factory in advance, and then fix the concrete or steel base plate of the floor slab to the steel trusses, and then transport these basic formworks to the construction site. This type of base plate is difficult to separate from the concrete layer in subsequent construction, so generally this type of base plate will eventually become part of the building and will not be demolished. However, these base plates are generally large in weight and size, which makes it very costly and difficult to transport these basic formworks, and the cost increase is also large. Compared with the construction method of non-prefabricated floor slabs, it cannot obtain good economic benefits. Utility Model Content

[0003] To this end, the utility model provides an easily disassembled assembled floor slab, in which a metal truss and a strip-shaped support plate are pre-assembled in a factory to form a connecting bridge between beams, and the bottom formwork and the connecting bridge between beams are transported separately to reduce the difficulty of transportation. At the construction site, the bottom formwork is then installed between the connecting bridges between beams, and two adjacent support plates are used to support the bottom formwork. After the concrete is poured, the bottom formwork is quickly dismantled and recycled using a formwork quick-disassembly unit.

[0004] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dismantling type assembled floor, comprising:

[0005] A plurality of inter-beam connecting bridge frames arranged in parallel and at intervals, wherein the inter-beam connecting bridge frames include a support plate, and at least one metal truss is detachably and fixedly connected to the upper end of the support plate;

[0006] A plurality of bottom templates, wherein a bottom template is arranged between every two adjacent support plates, a bottom template is also arranged between the two support plates at both ends and the left and right side beams, template support bars for supporting the bottom template from below are respectively arranged on both sides of the support plates, side support bars for supporting the bottom template from below are arranged on the side of the left and right side beams facing the bottom template, and a plurality of template quick-release units are arranged in the bottom template.

[0007] The template quick-disassembly unit includes three structures:

[0008] The structure of a template quick-release unit includes a template separation block, a separation block push rod, a separation drive handle and a limiting connecting rod, the lower end surface of the template separation block is fixedly connected to the separation block push rod, one end of the separation drive handle is rotatably connected to the separation block push rod, one end of the limiting connecting rod is rotatably connected to the bottom template, and the other end is rotatably connected to the middle position of the separation drive handle, the upper end surface of the bottom template is provided with a separation block mounting groove, a push rod mounting hole is provided between the groove bottom of the separation block mounting groove and the lower end surface of the bottom template, the outer side wall of the template separation block is slidably fitted with the inner side wall of the separation block mounting groove, and the separation block push rod is arranged below the bottom template through the push rod mounting hole at one end away from the template separation block.

[0009] Furthermore, the template quick-release unit also includes a reset spring, which is arranged in the separation block mounting groove, and the two ends of the reset spring are respectively fixedly connected to the template separation block and the bottom template, and the inner side wall of the separation block mounting groove is provided with a separation block limiting step. When the lower end face of the template separation block is in contact with the separation block limiting step, the upper end face of the template separation block is flush with the upper end face of the bottom template.

[0010] The structure two template quick-release unit includes a template spiral separation block, a separation block driving rod and a driving wheel. The upper end surface of the bottom template is provided with a separation block mounting groove, and a driving rod mounting hole is provided between the groove bottom of the separation block mounting groove and the lower end surface of the bottom template. The outer wall of the template spiral separation block is slidably fitted with the inner wall of the separation block mounting groove, the separation block driving rod is threadedly screwed with the driving rod mounting hole, and the separation block driving rod is fixedly connected to the driving wheel at one end away from the template spiral separation block.

[0011] The structural three-template quick-release unit includes an air connection port and a high-pressure air duct that passes through the upper and lower end surfaces of the bottom template. An air inlet and an air outlet are respectively provided at both ends of the high-pressure air duct. The air inlet is arranged on the lower end surface of the bottom template, and the air outlet is arranged on the upper end surface of the bottom template. The air connection port is connected to the air inlet.

[0012] Furthermore, the cross-sectional shape of the support plate is a "J" shape, and a plurality of back reinforcement blocks are fixedly provided on the side of the support plate facing away from the metal truss, and the back reinforcement blocks are fitted with the lower side wall of the support plate, and a plurality of support columns are fixedly provided at the lower end of the inter-beam connecting bridge frame, and the bottom template and the support plate are detachably fixedly connected by a fastening connection device, and the metal truss and the support plate are detachably fixedly connected by a fastening connection device.

[0013] At the same time, the utility model also provides a construction method for a dismantled assembled floor, comprising the following steps:

[0014] S1. Place several inter-beam connecting bridges in parallel and at intervals in a frame structure composed of multiple beams, and then fix the two ends of the metal truss to the beams on both sides to achieve the fixation of the inter-beam connecting bridges;

[0015] S2. Install the bottom template, install a bottom template from above to two adjacent support plates, support the lower end surface of the bottom template from both sides through the template support strips of the two adjacent support plates, and then detachably and fixedly connect the support plate and the bottom template together through the fastening connection device, and then install the bottom template between every two adjacent support plates and between the support plates at both ends and the beams on both sides in the same way;

[0016] S3. Pour cement from top to bottom until the cement layer reaches the specified thickness. When the disassembly requirements are met, remove the fastening connection devices between the bottom formwork and the support plate and between the metal truss and the support plate, and remove the support plate downwards to separate it from the bottom formwork and the metal truss. Then use the formwork quick-release unit to remove the bottom formwork downwards, and finally recycle the support plate, bottom formwork and fastening connection devices for reuse.

[0017] Furthermore, in the S3 step, the above-mentioned structure-a template quick-release unit is adopted. When the bottom template is removed downward by using the structure-a template quick-release unit, the separation drive handle is rotated to make the separation block push rod move upward, and the separation block push rod is used to drive the template separation block upward, so that a gap is finally generated between the upper end surface of the bottom template and the lower end surface of the cement layer at this position. Multiple template quick-release units repeat this step, and finally the bottom template is separated from the cement layer.

[0018] Furthermore, in the S3 step, the above-mentioned structure two template quick-release unit is used. When the bottom template is removed downward by using the structure two template quick-release unit, the separation block driving rod is rotated by driving the rotating wheel, and the threaded connection between the separation block driving rod and the driving rod mounting hole is used to make the separation block driving rod drive the template spiral separation block upward, thereby finally creating a gap between the upper end surface of the bottom template and the lower end surface of the cement layer at this position. Multiple template quick-release units repeat this step, and finally the bottom template is separated from the cement layer.

[0019] Furthermore, in the S3 step, the above-mentioned structural three-template quick-release unit is used. When the bottom template is removed downward by using the structural three-template quick-release unit, high-pressure gas is connected to the gas inlet and outlet, and the high-pressure gas is filled into the space between the upper end surface of the bottom template and the lower end surface of the cement layer through the gas outlet, thereby eventually creating a gap between the upper end surface of the bottom template and the lower end surface of the cement layer at this position. Multiple template quick-release units repeat this step, and eventually the bottom template is separated from the cement layer.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] 1. In the utility model, the bottom formwork and the connecting bridge between beams are separately arranged, and the connecting bridge between beams is pre-assembled in the factory to form the connecting bridge between beams. After the connecting bridge between beams is installed at the construction site, the bottom formwork is laid. This construction method meets the requirements of prefabricated floor construction. This method of decomposition and transportation and on-site assembly is more convenient and has lower costs.

[0022] 2. After the concrete pouring is completed, the template quick-disassembly units of various structures can quickly separate the bottom template from the concrete layer by creating a gap between the bottom template and the concrete layer, which facilitates the rapid disassembly of the bottom template and improves the recycling efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the structure of a readily dismantled assembled floor mentioned in Example 1;

[0024] Figure 2 for Figure 1 A local enlarged schematic diagram of the middle A;

[0025] Figure 3 This is a schematic diagram of the structure of a readily dismantled assembled floor mentioned in Example 1 after being installed on a beam;

[0026] Figure 4 for Figure 3 A partial enlarged schematic diagram of point B in the middle;

[0027] Figure 5 for Figure 1 A schematic diagram of the structure of the back of a readily dismantled assembled floor mentioned in the text;

[0028] Figure 6 It is a structural schematic diagram of the template quick-disassembly unit mentioned in Example 1;

[0029] Figure 7 It is a schematic diagram of the internal assembly between the template quick-release unit and the bottom template mentioned in Example 1;

[0030] Figure 8 It is a schematic diagram of the internal assembly between the template quick-release unit and the bottom template mentioned in Example 2;

[0031] Fig. 9 This is a schematic diagram of the internal assembly between the template quick-release unit and the bottom template mentioned in Example 3.

[0032] In the figure:

[0033] 100, connecting bridge between beams, 110, supporting plate, 111, formwork supporting strip, 120, metal truss, 130, back reinforcement block, 140, supporting column;

[0034] 200, bottom template;

[0035] 300, structure one template quick-release unit, 310, template separation block, 320, separation block push rod, 330, separation drive handle, 340, limit connecting rod, 350, reset spring;

[0036] 410, template spiral separation block, 420, separation block driving rod, 430, driving wheel;

[0037] 510, high-pressure air duct, 520, air outlet, 530, air inlet, 540, air connection port; 600, room beam, 610, side support bar. DETAILED DESCRIPTION

[0038] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0039] Example 1, refer to the attached Figure 1 ~Attached Figure 4, the present utility model provides a detachable prefabricated floor slab, which includes several beam - to - beam connection bridge frames arranged in parallel at intervals and several bottom formworks. The beam - to - beam connection bridge frame includes a support plate. At least one metal truss is detachably and fixedly connected to the upper end of the support plate, and the two are connected by fastening connection devices such as bolt mechanisms, which is convenient for subsequent disassembly. A bottom formwork is arranged between every two adjacent support plates, and a bottom formwork is also arranged between the two support plates at both ends and the left and right side beams. Template support strips for supporting the bottom formwork from below are respectively arranged on both sides of the support plate, and side support strips for supporting the bottom formwork from below are arranged on the sides of the left and right side beams facing the bottom formwork. The cross - sectional shape of the support plate is "J" - shaped. Refer to the appendix Figure 5 shown. A number of back strengthening blocks are fixedly arranged on the side of the support plate facing away from the metal truss. The back strengthening blocks are adapted and fitted to the lower side wall of the support plate, and the back strengthening blocks are used to increase the lateral strength of the support plate. Several support columns are fixedly arranged at the lower end of the beam - to - beam connection bridge frame. The support columns can provide auxiliary support for the entire floor slab and are set according to the total weight of the upper concrete layer. The bottom formwork and the support plate are detachably and fixedly connected by a fastening connection device, which is convenient for subsequent disassembly. A number of formwork quick - disassembly units are arranged in the bottom formwork. The formwork quick - disassembly units are used to quickly separate the bottom formwork from the concrete layer. The formwork quick - disassembly unit adopted in this embodiment is called the structure - one formwork quick - disassembly unit. As shown in appendix Figure 6 ~appendix Figure 7As shown, the structure of a template quick-disassembly unit includes a template separation block, a separation block push rod, a separation drive handle and a limiting connecting rod, the lower end surface of the template separation block is fixedly connected to the separation block push rod, one end of the separation drive handle is rotatably connected to the separation block push rod, one end of the limiting connecting rod is rotatably connected to the bottom template, and the other end is rotatably connected to the middle position of the separation drive handle, the upper end surface of the bottom template is provided with a separation block mounting groove, the groove bottom of the separation block mounting groove is provided with a push rod mounting hole and the lower end surface of the bottom template, the outer side wall of the template separation block is slidably fitted with the inner side wall of the separation block mounting groove, the separation block push rod is away from one end of the template separation block and is arranged below the bottom template through the push rod mounting hole, the separation block push rod, the separation drive handle and the limiting connecting rod The connecting rod forms a three-link driving mechanism, which can more easily push the template separation block by utilizing the lever principle. At the same time, the template quick-release unit also includes a reset spring, which is arranged in the separation block mounting groove. The two ends of the reset spring are respectively fixedly connected to the template separation block and the bottom template. The inner side wall of the separation block mounting groove is provided with a separation block limiting step. When the lower end face of the template separation block is in contact with the separation block limiting step, the upper end face of the template separation block is flush with the upper end face of the bottom template. The reset spring can be used to make the upper end face of the template separation block flush with the upper end face of the bottom template when the template separation block is not subjected to external force. This ensures the flatness of the upper end face of the bottom template, and also makes the lower end face of the concrete pouring layer flat.

[0040] At the same time, the construction method of the easily disassembled assembled floor in this embodiment includes the following steps:

[0041] S1. Place several inter-beam connecting bridges in parallel and at intervals in a frame structure composed of multiple beams, and then fix the two ends of the metal truss to the beams on both sides to achieve the fixation of the inter-beam connecting bridges;

[0042] S2. Install the bottom formwork, install one bottom formwork from above to two adjacent support plates, support the lower end surface of the bottom formwork from both sides through the formwork support bars of the two adjacent support plates, and then detachably and fixedly connect the support plate and the bottom formwork together through the fastening connection device, and then install the bottom formwork between every two adjacent support plates and between the support plates at both ends and the beams on both sides in the same way, and then lay pipelines and surface steel bars on the top of the bottom formwork and on the connecting bridge between beams according to design requirements;

[0043] S3. Pour cement from top to bottom until the cement layer is poured to a specified thickness. After the disassembly requirements are met, remove the fastening connection device between the bottom template and the support plate and the fastening connection device between the metal truss and the support plate, and remove the support plate downward to separate it from the bottom template and the metal truss. Then use the template quick-release unit to remove the bottom template downward. In this embodiment, the above-mentioned structure-template quick-release unit is adopted. When the bottom template is removed downward by using the structure-template quick-release unit, the separation drive handle is rotated to make the separation block push rod move upward, and the separation block push rod is used to drive the template separation block upward, so that a gap is finally generated between the upper end face of the bottom template and the lower end face of the cement layer at this position. Multiple template quick-release units repeat this step, and finally the bottom template is separated from the cement layer, and finally the support plate, the bottom template and the fastening connection device are recycled and reused.

[0044] Embodiment 2, as attached Figure 8 As shown, the difference from Example 1 is that the template quick-release unit in Example 2 adopts a structure two template quick-release unit, and the structure two template quick-release unit includes a template spiral separation block, a separation block driving rod and a driving wheel. The upper end surface of the bottom template is provided with a separation block mounting groove, and a driving rod mounting hole is provided between the groove bottom of the separation block mounting groove and the lower end surface of the bottom template. The outer wall of the template spiral separation block is slidably fitted with the inner wall of the separation block mounting groove, the separation block driving rod is threadedly screwed with the driving rod mounting hole, and the separation block driving rod is fixedly connected to the driving wheel at one end away from the template spiral separation block.

[0045] The construction method of a detachable prefabricated floor associated with the present embodiment differs from that of embodiment 1 in that, in the step S3, the second formwork quick-release unit of the above-mentioned structure is adopted. When the bottom formwork is removed downward by using the formwork quick-release unit, the separation block driving rod is rotated by driving the rotating wheel. The threaded connection between the separation block driving rod and the driving rod mounting hole is utilized to make the separation block driving rod drive the formwork spiral separation block upward, thereby finally generating a gap between the upper end surface of the bottom formwork and the lower end surface of the cement layer at this position. Multiple formwork quick-release units repeat this step, and finally the bottom formwork is separated from the cement layer.

[0046] Embodiment 3, as attached Fig. 9 As shown, the difference from Example 1 and Example 2 is that the template quick-release unit in Example 3 adopts a structural three-template quick-release unit, and the structural three-template quick-release unit includes an air connection port and a high-pressure air duct arranged through the upper and lower end surfaces of the bottom template, and an air inlet and an air outlet are respectively arranged at both ends of the high-pressure air duct, the air inlet is arranged on the lower end surface of the bottom template, and the air outlet is arranged on the upper end surface of the bottom template, and the air connection port is connected to the air inlet.

[0047] The difference between the construction method of a detachable prefabricated floor associated with the present embodiment and embodiments 1 and 2 is that in the step S3, the three-template quick-release unit of the above-mentioned structure is adopted. When the bottom template is removed downward by using the template quick-release unit, high-pressure gas is connected to the gas inlet and outlet, and the high-pressure gas is filled into the space between the upper end surface of the bottom template and the lower end surface of the cement layer through the gas outlet, thereby finally generating a gap between the upper end surface of the bottom template and the lower end surface of the cement layer at this position. Multiple template quick-release units repeat this step, and finally the bottom template is separated from the cement layer.

[0048] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present invention. The directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0049] The above are only preferred embodiments of the present invention. Any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the above technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the present invention shall fall within the scope of protection claimed by the present invention.

Claims

1. A detachable assembled floor, characterized in that: Including: Several beam - to - beam connecting bridge frames arranged at parallel intervals. The beam - to - beam connecting bridge frame includes a support plate, and at least one metal truss is detachably and fixedly connected to the upper end of the support plate. Several bottom formworks. One bottom formwork is arranged between every two adjacent support plates, and one bottom formwork is also arranged between the two support plates at both ends and the left and right side beams. Template support bars for supporting the bottom formwork from below are respectively arranged on both sides of the support plate, and side support bars for supporting the bottom formwork from below are arranged on the sides of the left and right side beams facing the bottom formwork. A number of formwork quick - release units are arranged inside the bottom formwork.

2. The easily dismantled assembled floor according to claim 1 is characterized in that: The formwork quick - release unit includes a formwork separation block, a separation block push rod, a separation drive handle, and a limit connecting rod. The lower end surface of the formwork separation block is fixedly connected to the separation block push rod. One end of the separation drive handle is rotatably connected to the separation block push rod. One end of the limit connecting rod is rotatably connected to the bottom formwork, and the other end is rotatably connected to the middle position of the separation drive handle. A separation block installation groove is arranged on the upper end surface of the bottom formwork, and a push rod installation hole is arranged between the bottom of the separation block installation groove and the lower end surface of the bottom formwork. The outer side wall of the formwork separation block is slidably fitted with the inner side wall of the separation block installation groove, and the end of the separation block push rod away from the formwork separation block passes through the push rod installation hole and is arranged below the bottom formwork.

3. The easily dismantled assembled floor according to claim 2 is characterized in that: The formwork quick - release unit further includes a return spring. The return spring is arranged in the separation block installation groove, and both ends of the return spring are respectively fixedly connected to the formwork separation block and the bottom formwork. A separation block limit step is arranged on the inner side wall of the separation block installation groove. When the lower end surface of the formwork separation block is in contact with the separation block limit step, the upper end surface of the formwork separation block is flush with the upper end surface of the bottom formwork.

4. The easily dismantled assembled floor according to claim 1 is characterized in that: The formwork quick - release unit includes a formwork spiral separation block, a separation block drive rod, and a drive runner. A separation block installation groove is arranged on the upper end surface of the bottom formwork, and a drive rod installation hole is arranged between the bottom of the separation block installation groove and the lower end surface of the bottom formwork. The outer side wall of the formwork spiral separation block is slidably fitted with the inner side wall of the separation block installation groove. The separation block drive rod is threadedly connected to the drive rod installation hole, and the end of the separation block drive rod away from the formwork spiral separation block is fixedly connected to the drive runner.

5. The easily dismantled assembled floor according to claim 1 is characterized in that: The formwork quick - release unit includes an air - connection port and a high - pressure air duct penetrating the upper and lower end surfaces of the bottom formwork. Both ends of the high - pressure air duct are respectively provided with an air inlet and an air outlet. The air inlet is arranged on the lower end surface of the bottom formwork, and the air outlet is arranged on the upper end surface of the bottom formwork. The air - connection port is communicated with the air inlet.

6. The easily dismantled assembled floor according to claim 1 is characterized in that: The cross - sectional shape of the support plate is "U" - shaped. A number of back strengthening blocks are fixedly arranged on the side of the support plate facing away from the metal truss. The back strengthening blocks are adaptively fitted with the lower side wall of the support plate. A number of support columns are fixedly arranged at the lower end of the beam - to - beam connecting bridge frame. The bottom formwork and the support plate are detachably and fixedly connected through a fastening connection device, and the metal truss and the support plate are detachably and fixedly connected through a fastening connection device.

Images