Framework structure for prefabricated lightweight concrete part and prefabricated lightweight concrete part

Abstract

The invention relates to the technical field of lightweight concrete, and discloses a framework structure for a prefabricated lightweight concrete part and the prefabricated lightweight concrete part, the framework structure comprises a lightweight concrete plate body, corner protectors which do not protrude out of the side wall of the lightweight concrete plate body are arranged at the corners of the lightweight concrete plate body, and mounting cavities are formed in the corner protectors; the upper end of the mounting cavity is vertically and movably connected with a supporting block capable of protruding out of the top of the lightweight concrete slab body. A splicing assembly is arranged at the end part of the lightweight concrete slab body. According to the framework structure for the prefabricated lightweight concrete part and the prefabricated lightweight concrete part, protection of corners of the lightweight concrete plate body can be achieved through the arranged angle beads, collision and damage are avoided, the supporting blocks are matched with the splicing assemblies and the linkage parts, synchronous hiding can be achieved during splicing, and protruding can be achieved during non-splicing; and therefore, the lightweight concrete slab bodies cannot be contacted and extruded during stacking, and the protection effect on the lightweight concrete slab bodies is further improved.

Description

Technical Field

[0001] The present invention relates to the technical field of lightweight concrete, and particularly relates to a skeleton structure for precast lightweight concrete components and precast lightweight concrete components. Background Art

[0002] Precast lightweight concrete slab components are concrete components that are precast and formed in a factory environment and have a relatively low unit weight. They are mainly used in non-load-bearing or secondary load-bearing parts such as walls, floors, and partition walls in buildings to achieve rapid construction, reduce the self-weight of the structure, and improve the thermal insulation performance. In order to overcome the limitation that the strength of lightweight concrete itself is relatively low and meet the mechanical requirements during transportation, hoisting, and use, a skeleton structure is usually embedded in the concrete during production, such as a steel mesh, truss reinforcement, or a small steel frame, to significantly improve the overall flexural and shear resistance and stiffness of the slab components, ensuring that they are not easily broken or deformed during handling and installation.

[0003] However, there are some obvious defects in existing precast lightweight concrete slab components. On the one hand, since the internal skeleton structure is usually arranged in the main plane area of the slab component, it is difficult to effectively extend and anchor to the corner or edge area of the slab component, resulting in a lack of sufficient reinforcement support in these areas. During handling, hoisting, or on-site splicing and installation, the corners are extremely prone to breakage and chipping due to bumping and stress concentration, affecting the integrity of the component and the installation quality. On the other hand, for the purpose of saving factory and construction site storage space, the manufactured precast lightweight concrete slab components are generally stored in a multi-layer stacked manner. In this state, the surfaces of adjacent slab components are in direct contact. Not only will the contact surface be worn due to friction during handling or vibration, but more importantly, the static load generated by stacking will cause the lower slab components, especially the bottommost slab component, to bear a huge local pressure, and its relatively fragile edge or local area is extremely prone to cracking due to compression, resulting in material loss and economic losses. Summary of the Invention

[0004] The technical problem to be solved by the present invention is that there is a disadvantage of poor protection effect in the prior art. For this reason, we propose a skeleton structure for precast lightweight concrete components and precast lightweight concrete components.

[0005] In order to achieve the above object, the present application adopts the following technical solution: A precast lightweight concrete component, including a lightweight concrete board body, a corner of the lightweight concrete board body is provided with a corner guard that does not protrude from the side wall of the lightweight concrete board body, an installation cavity is provided on the corner guard, and a support block that can protrude from the top of the lightweight concrete board body is vertically movably connected to the upper end of the installation cavity; A splicing component is provided at the end of the lightweight concrete slab body. The splicing component includes a splicing groove provided on the side wall of the lightweight concrete slab body. On the side of the lightweight concrete slab body opposite to the splicing groove, a hidden groove is provided. A splicing block that is in plug-in fit with the splicing groove is movably arranged inside the hidden groove. A driving component for driving the displacement of the splicing block is provided in the hidden groove; It further includes a linkage member. The linkage member includes a linkage arm movably arranged at one end of the installation cavity and corresponding to the support block. One end of the linkage arm extends to the inside of the splicing groove away from the support block, and the other end of the linkage arm extends to the inside of the hidden groove away from the support block. A notch corresponding to the end of the linkage arm is provided on the side wall of one end of the splicing block. One end of the notch is a slope. A stop block corresponding to the linkage arm is provided on the inner side of one end of the installation cavity. A first elastic member is provided between the inner wall of the linkage arm and the stop block. A guiding component for guiding the displacement of the support block is provided at the end of the linkage arm close to the support block.

[0006] Preferably, the guiding component includes an inclined guide groove provided on the side wall of the end of the linkage arm close to the support block and in an inclined shape. A flat support groove is horizontally provided at the upper end of the inclined guide groove. A guide block for movably guiding connection with the inclined guide groove and the flat support groove is provided on the side wall of the lower end of the support block.

[0007] Preferably, the guiding component includes a support arm movably arranged at the end of the linkage arm close to the support block. The other end of the support arm is movably connected to the bottom of the support block. When the upper end of the support block protrudes above the top of the lightweight concrete slab body, the support arm is in an inclined shape. A blocking block for blocking the support arm is provided at one end of the bottom of the support block.

[0008] Preferably, a rotating member is rotatably arranged at the end of the linkage arm away from the support block.

[0009] Preferably, the driving component includes a gear rotatably arranged in the hidden groove. A rack meshing with the gear is provided on the side wall of one end of the splicing block. A knob that extends to the top of the lightweight concrete slab body and does not protrude from the lightweight concrete slab body is provided on the gear.

[0010] Preferably, the rotating member is a roller or a ball.

[0011] Preferably, the splicing block and the splicing groove are connected through a clamping component. The clamping component includes a locking groove provided on one side of the splicing block. A clamping block is movably arranged on the inner side of one end of the inner cavity of the splicing groove. A second elastic member is provided between the clamping block and the inner wall of the splicing groove. The clamping block is used for clamping and cooperating with the locking groove.

[0012] Preferably, a guide post movably connected to the lightweight concrete slab body is provided on the side of the clamping block away from the splicing groove. A screw or a bolt that does not protrude from the lightweight concrete slab body is threadedly connected to the end of the guide post away from the clamping block.

[0013] Preferably, a notch adapted to the corner guard is provided at the corner of the light concrete board body, the corner guard is fixed to the notch, a groove is provided on the inner wall of the notch, and a rib is provided on the side wall of the corner guard and is inserted and matched with the groove.

[0014] This application also includes an embodiment, specifically a skeleton structure, which is applied to a precast light concrete member, and is characterized in that: the skeleton structure is a steel mesh or truss steel bars or a steel frame.

[0015] The technical effects and advantages of the present invention: In the present invention, the corner guard provided can protect the corners of the light concrete board body, avoid being knocked and damaged. The supporting blocks cooperate with the splicing components and the linkage components, and can be hidden synchronously during splicing to prevent affecting other subsequent surface constructions. When not spliced, they protrude, so that the light concrete board bodies will not come into contact and extrusion during stacking, further improving the protection effect on the light concrete board body, with simple structure and convenient use. Description of the Drawings

[0016] The disclosure of the present invention will be described with reference to the accompanying drawings. It should be understood that the drawings are only for illustrative purposes and are not intended to limit the scope of protection of the present invention. In the drawings, the same reference numerals are used to refer to the same components: Figure 1 It is a schematic structural diagram when only one splicing groove and one hidden groove are provided on the light concrete board body of the present invention; Figure 2 For the present invention Figure 1 Schematic structural diagram of the other end on the basis of this; Figure 3 For the present invention Figure 1 Schematic structural diagram of the splicing state of two light concrete board bodies on the basis of this; Figure 4 It is a schematic cross-sectional structural diagram of the connection part of two light concrete board bodies of the present invention; Figure 5 It is a schematic structural diagram of the disassembled state of the present invention; Figure 6 For the present invention Figure 5 Schematic structural diagram of the other end on the basis of this; Figure 7 It is a schematic partial cross-sectional structural diagram of the splicing block of the present invention; Figure 8 It is a schematic cross-sectional structural diagram of the connection part of the linkage arm and the corner guard of the present invention; Figure 9 It is a schematic structural diagram of the second embodiment of the guiding component of the present invention; Figure 10Structural schematic diagram of the linkage arm, support block, and corner guard of the present invention in a disassembled state; Figure 11 Cross-sectional structural schematic diagram of the splicing groove of the present invention; Figure 12 Side view structural schematic diagram of the clamping block of the present invention; Figure 13 Structural schematic diagram of the present invention when a pair of splicing grooves and a pair of hidden grooves are provided on the lightweight concrete board body; Figure 14 For the present invention Figure 13 Structural schematic diagram in the splicing state on the basis.

[0017] Legend: 1. Lightweight concrete board body; 2. Corner guard; 3. Support block; 4. Splicing block; 5. Knob; 6. Splicing groove; 7. Hidden groove; 8. Linkage arm; 9. Gear; 10. Convex rib; 11. Notch; 12. Rack; 13. Locking groove; 14. Gap; 15. Groove; 16. Rotating part; 17. Installation cavity; 18. Inclined guide groove; 19. Flat support groove; 20. Guide block; 21. First elastic member; 22. Stop block; 23. Second elastic member; 24. Support arm; 25. Blocking block; 26. Clamping block; 27. Guide post. Detailed implementation manners

[0018] It is easy to understand that according to the technical solution of the present invention, without changing the essential spirit of the present invention, those of ordinary skill in the art can propose various structural ways and implementation ways that can be mutually replaced. Therefore, the following detailed implementation manners and drawings are only exemplary descriptions of the technical solution of the present invention, and should not be regarded as all of the present invention or regarded as a limitation or restriction on the technical solution of the present invention.

[0019] Refer to Figures 1-7 、 Figures 11-14As shown in the figure, a precast lightweight concrete component includes a lightweight concrete slab body 1. A splicing component is provided at the end of the lightweight concrete slab body 1. The splicing component includes a splicing groove 6 provided on the side wall of the lightweight concrete slab body 1. On the side of the lightweight concrete slab body 1 opposite to the splicing groove 6, a hidden groove 7 is provided. It is possible to set only one hidden groove 7 and one splicing block 4 on one lightweight concrete slab body 1. At this time, the head-to-tail splicing of multiple lightweight concrete slab bodies 1 can be realized. It is also possible to set two hidden grooves 7 and two splicing grooves 6 on one lightweight concrete slab body 1. The two splicing grooves 6 are arranged adjacent to each other, and the two hidden grooves 7 are arranged adjacent to each other. At this time, the rectangular array splicing of multiple lightweight concrete slab bodies 1 can be realized. A splicing block 4 that is in plug-in fit with the splicing groove 6 is movably arranged inside the hidden groove 7. A driving component for driving the displacement of the splicing block 4 is provided in the hidden groove 7. As a preferred embodiment, the driving component includes a gear 9 rotatably arranged in the hidden groove 7. A rack 12 that meshes with the gear 9 is provided on one end side wall of the splicing block 4. A knob 5 that extends to the top of the lightweight concrete slab body 1 and does not protrude from the lightweight concrete slab body 1 is provided on the gear 9. The knob 5 is controlled to rotate by a wrench. In order to achieve the stability of the plug-in connection between the splicing block 4 and the splicing groove 6, the splicing block 4 and the splicing groove 6 are connected by a clamping component. The clamping component includes a locking groove 13 provided on one side of the splicing block 4. A clamping block 26 is movably arranged on the inner side of one end of the inner cavity of the splicing groove 6. One side of the clamping block 26 is an inclined surface. A second elastic member 23 is provided between the clamping block 26 and the inner wall of the splicing groove 6. The second elastic member 23 is preferably a spring. The clamping block 26 is used for clamping and cooperating with the locking groove 13. In order to facilitate subsequent disassembly, a guide post 27 that is movably connected to the lightweight concrete slab body 1 is provided on the side of the clamping block 26 away from the splicing groove 6. And a screw or bolt that does not protrude from the lightweight concrete slab body 1 is threadedly connected to one end of the guide post 27 away from the clamping block 26. This setting can be used to screw the screw or bolt at one end of the guide post 27 by a tool when it is necessary to disassemble the lightweight concrete slab body 1. Screw one end of the screw or bolt to protrude from the lightweight concrete slab body 1, and then the screw or bolt can be pulled to drive the guide post 27 and the clamping block 26 to displace, so that one end of the clamping block 26 is separated from the locking groove 13.

[0020] Furthermore, as Figures 1-10As shown, a corner of the light concrete board body 1 is provided with a corner guard 2 that does not protrude from the side wall of the light concrete board body 1. The corner guard 2 is in an "L" shape. Specifically, a notch 14 adapted to the corner guard 2 is provided at the corner of the light concrete board body 1. The corner guard 2 is fixed in the notch 14. A groove 15 is provided on the inner wall of the notch 14, and a rib 10 that is inserted and matched with the groove 15 is provided on the side wall of the corner guard 2, which facilitates the quick installation and positioning of the corner guard 2 and the notch 14 and prevents relative displacement between the corner guard 2 and the notch 14. An installation cavity 17 is provided on the corner guard 2. A support block 3 that can protrude from the top of the light concrete board body 1 is vertically movably connected to the upper end of the installation cavity 17, and the protruding part of the support block 3 is a detachable structure, which can be specifically disassembled by bolts or screws. In order to realize the displacement of the support block 3, a linkage member is also provided. The linkage member includes a linkage arm 8 that is movably arranged at one end of the installation cavity 17 and corresponds to the support block 3. One pair of linkage arms 8 at one end extends to the inside of the splicing groove 6 away from the support block 3, and the other pair of linkage arms 8 at the other end extends to the inside of the hidden groove 7 away from the support block 3. It should be noted that one end of the two pairs of linkage arms 8 on one light concrete board body 1 only extends into one set of relatively arranged splicing grooves 6 and hidden grooves 7 on the light concrete board body 1. For the remaining set of relatively arranged splicing grooves 6 and hidden grooves 7 on the light concrete board body 1 that can be arrayed and spliced, no linkage arms 8 are provided. A notch 11 corresponding to the end of the linkage arm 8 is provided on the side wall of one end of the splicing block 4. One end of the notch 11 is a slope. Initially, the end of one of the linkage arms 8 just corresponds to the notch 11, and the slope can push the linkage arm 8 to displace. In order to reduce friction, a rotating member 16 is rotatably arranged at the end of the linkage arm 8 away from the support block 3. The rotating member 16 is preferably a roller or a ball. A stop block 22 corresponding to the linkage arm 8 is provided on the inner side of one end of the installation cavity 17. A first elastic member 21 is provided between the inner wall of the linkage arm 8 and the stop block 22. The first elastic member 21 is preferably a spring, which facilitates the automatic pop-up of the support block 3 in the non-spliced state. A guiding component is provided at the end of the linkage arm 8 close to the support block 3 for guiding the displacement of the support block 3; As Figure 8 , Figure 10 shown, as the first embodiment of the guiding component, the guiding component includes an inclined guide groove 18 that is provided on the side wall of the linkage arm 8 close to the support block 3 and is inclined. A flat support groove 19 is horizontally provided at the upper end of the inclined guide groove 18. A guide block 20 for movably guiding connection with the inclined guide groove 18 and the flat support groove 19 is provided on the lower side wall of the support block 3. When the support block 3 is in the protruding state, the guide block 20 is located inside the flat support groove 19.

[0021] As Figure 9As shown, as the second embodiment of the guiding component, the guiding component includes a supporting arm 24 movably arranged at one end of the linkage arm 8 close to the supporting block 3. The other end of the supporting arm 24 is movably connected to the bottom of the supporting block 3. When the upper end of the supporting block 3 protrudes from the top of the lightweight concrete slab body 1, the supporting arm 24 is in an inclined state. One end of the bottom of the supporting block 3 is provided with a blocking block 25 for blocking the supporting arm 24. The blocking block 25 can limit the supporting arm 24 to only tilt greatly towards one side and cannot tilt greatly when supporting the supporting block 3.

[0022] In addition, the present application also relates to an embodiment, specifically a framework structure for the above-mentioned precast lightweight concrete member. The framework structure is arranged inside the lightweight concrete slab body 1, and the framework structure is a steel mesh or truss steel or steel frame, etc. The framework structure adopts conventional technologies and will not be elaborated too much.

[0023] Working principle: In the initial state, the splicing block 4 is in a hidden state, and one end of the supporting block 3 is in a protruding state. When stacking, the protruding supporting block 3 supports the lightweight concrete slab body 1. The supporting block 3 transmits the acting force to the linkage arm 8, and the linkage arm 8 transmits it to the corner guard 2, and the lightweight concrete slab body 1 will not be stressed; There are two splicing forms during splicing. One way is that multiple lightweight concrete slab bodies 1 are spliced end to end. At this time, only one splicing groove 6 and one splicing block 4 are arranged on the lightweight concrete slab body 1, and they are arranged opposite to each other. During splicing, align the splicing block 4 at one end of a lightweight concrete slab body 1 with the splicing groove 6 at one end of another lightweight concrete slab body 1, and turn the knob 5 corresponding to the splicing block 4. The knob 5 drives the displacement of the splicing block 4 through the cooperation of the gear 9 and the rack 12. Initially, one end of the linkage arm 8 corresponding to the hidden groove 7 just corresponds to the notch 11. Therefore, when the splicing block 4 is displaced, it can push the rotating member 16 at one end of the linkage arm 8 through the slope at one end of the notch 11. Then, the rotating member 16 drives the displacement of the linkage arm 8. When the linkage arm 8 is displaced, the first elastic member 21 is compressed. One end of the linkage arm 8 guides the protruding supporting block 3 into the installation cavity 17 through the guiding component. When one end of the splicing block 4 enters the splicing groove 6, it can also recover the two supporting blocks 3 at the end of the other lightweight concrete slab body 1 through the slope, the linkage arm 8, and the guiding component. Moreover, when one end of the splicing block 4 enters the splicing groove 6, it will squeeze the clamping block 26, and the clamping block 26 compresses the second elastic member 23 and hides. When the clamping block 26 coincides with the locking groove 13, the clamping block 26 can automatically pop into the locking groove 13 under the restoring force of the second elastic member 23 to achieve clamping, thereby realizing the splicing of the lightweight concrete slab body 1. The same principle applies when multiple lightweight concrete slab bodies 1 are spliced end to end. Since the supporting blocks 3 located on the periphery are in a protruding state after splicing and there is no splicing block 4 cooperating with the splicing groove 6 to hide them, finally, the protruding part at the end of the outermost supporting block 3 needs to be removed. Another splicing method is rectangular array splicing. At this time, a pair of splicing blocks 4 and a pair of splicing grooves 6 are provided on the main body 1 of the lightweight concrete slab. The pair of splicing blocks 4 are arranged on two adjacent sides, and the pair of splicing grooves 6 are arranged on the other two adjacent sides. The splicing is similar to the head-to-tail splicing method, and the splicing is realized by screwing the knob 5 to make the splicing block 4 enter the splicing groove 6. There is no need to elaborate here. Finally, the protruding part at the end of the support block 3 on the periphery can be removed in the same way. It should be noted that in this splicing state, the position arrangement of the linkage arm 8 is the same as that in the head-to-tail splicing state, and it is only arranged on both sides of one set of relatively arranged splicing grooves 6 and hidden grooves 7. The other set of splicing grooves 6 and hidden grooves 7 do not participate in controlling the displacement of the support block 3.

[0024] In addition, there are two embodiments of the guiding component. In the first embodiment, when in use, the guide block 20 at the lower end of the support block 3 in the non-splicing state is located in the flat support groove 19, and the support of the support block 3 is realized by the cooperation of the guide block 20 and the flat support groove 19. When the linkage arm 8 is pushed by the slope at one end of the notch 11, the guide block 20 slides down the inclined guide groove 18, so that the support block 3 is hidden. In the second embodiment, when in use, the support arm 24 at the lower end of the support block 3 in the non-splicing state is slightly inclined to one side, and one side of the upper end is blocked by the blocking block 25. At this time, the support block 3 is supported by the support arm 24. When the slope in the notch 11 pushes the linkage arm 8 to displace, the support arm 24 first becomes vertical and then inclines to the other side, and the support block 3 is gradually hidden.

[0025] The technical scope of the present invention is not limited to the content described above. Those skilled in the art can make various deformations and modifications to the above embodiments without departing from the technical idea of the present invention, and these deformations and modifications should all fall within the protection scope of the present invention.

Claims

1. A precast lightweight concrete component, characterized in that, It includes a lightweight concrete slab body, and corner protectors that do not protrude from the side walls of the lightweight concrete slab body are provided at the corners of the lightweight concrete slab body. An installation cavity is provided on the corner protectors, and a support block that can protrude from the top of the lightweight concrete slab body is vertically movably connected to the upper end of the installation cavity; A splicing assembly is provided at the end of the lightweight concrete slab body. The splicing assembly includes a splicing groove provided on the side wall of the lightweight concrete slab body. A hidden groove is provided on the side of the lightweight concrete slab body opposite to the splicing groove. A splicing block that is in plug-in fit with the splicing groove is movably provided inside the hidden groove, and a driving assembly for driving the displacement of the splicing block is provided in the hidden groove; It further includes a linkage member. The linkage member includes linkage arms that are movably provided at one end of the installation cavity and correspond to the support block. The end of the linkage arm at one end away from the support block extends to the inside of the splicing groove, and the end of the linkage arm at the other end away from the support block extends to the inside of the hidden groove. A notch corresponding to the end of the linkage arm is provided on the side wall of one end of the splicing block. One end of the notch is a slope. A stop block corresponding to the linkage arm is provided on the inner side of one end of the installation cavity. A first elastic member is provided between the inner wall of the linkage arm and the stop block. A guiding assembly for guiding the displacement of the support block is provided at the end of the linkage arm close to the support block.

2. The precast lightweight concrete member according to claim 1, wherein: The guiding assembly includes an inclined guide groove provided on the side wall of the end of the linkage arm close to the support block and is inclined. A flat support groove is horizontally provided at the upper end of the inclined guide groove. A guide block for movably guiding connection with the inclined guide groove and the flat support groove is provided on the side wall of the lower end of the support block.

3. The precast lightweight concrete member according to claim 1, characterized in that: The guiding assembly includes a support arm movably provided at the end of the linkage arm close to the support block. The other end of the support arm is movably connected to the bottom of the support block. When the upper end of the support block protrudes from the top of the lightweight concrete slab body, the support arm is inclined. A blocking block for blocking the support arm is provided at one end of the bottom of the support block.

4. The precast lightweight concrete member according to claim 1 or 2, characterized in that: A rotating member is rotatably provided at the end of the linkage arm away from the support block.

5. The precast lightweight concrete member according to claim 1, characterized in that: The driving assembly includes a gear rotatably provided in the hidden groove. A rack that meshes with the gear is provided on the side wall of one end of the splicing block. A knob that extends to the top of the lightweight concrete slab body and does not protrude from the lightweight concrete slab body is provided on the gear.

6. The precast lightweight concrete member according to claim 4, characterized in that: The rotating member is a roller or a ball.

7. The precast lightweight concrete member according to claim 1, characterized in that: The splicing block and the splicing groove are connected by a clamping assembly. The clamping assembly includes a locking groove provided on one side of the splicing block. A clamping block is movably provided on the inner side of one end of the inner cavity of the splicing groove. A second elastic member is provided between the clamping block and the inner wall of the splicing groove. The clamping block is used for clamping and fitting with the locking groove.

8. The precast lightweight concrete member according to claim 7, characterized in that: A guide post movably connected to the lightweight concrete slab body is provided on the side of the clamping block away from the splicing groove, and a screw or bolt that does not protrude from the lightweight concrete slab body is threadedly connected to the end of the guide post away from the clamping block.

9. The precast lightweight concrete member according to claim 1, characterized in that: A notch adapted to the corner protector is provided at the corner of the lightweight concrete slab body. The corner protector is fixed to the notch. A groove is provided on the inner wall of the notch. A convex rib that is in plug-in fit with the groove is provided on the side wall of the corner protector.

10. A framework structure, which is applied to the precast lightweight concrete member described in any one of claims 1-9, and is characterized in that: The skeleton structure is a steel mesh or truss reinforcement or a steel frame.

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