Prefabricated exterior wall panel structure and hoisting method thereof

Abstract

The present invention discloses a prefabricated exterior wall panel structure, including: a prefabricated concrete panel, wherein two first installation tubes are arranged on the inner side of the prefabricated concrete panel, one end of two first connecting members are respectively installed in the two first installation tubes, and the other end of the two first connecting members is provided with a first connecting hole; two lightweight connecting rods, wherein one end of each lightweight connecting rod is hinged to the other end of a first connecting member; at least one second installation tube, wherein the second installation tube is embedded in the top of the prefabricated concrete panel; at least one second connecting member, wherein one end of the second connecting member is installed in the second installation tube; the second connecting member and the two lightweight connecting rods are used together for the lifting connection of a crane. By applying the present invention, the lifting and temporary fixed support between the prefabricated concrete panel and the floor panel can be completed quickly and stably, with a high safety factor; at the same time, the present invention has a simple structure and is easy to produce.

Description

Technical Field

[0001] The invention relates to the technical field of building engineering, and in particular to a prefabricated exterior wall panel structure and a hoisting method thereof. Background Art

[0002] With the further development of construction engineering technology, the construction method of prefabricated buildings has also received more and more attention. Generally, various building modules such as wall panels and columns are pre-produced in the factory, transported to the construction site when construction is needed, and then hoisted by engineering equipment to complete the construction of the building. However, in the actual use of these building modules, there are still many problems, especially for the installation of prefabricated modules of exterior wall panels. The main problem is that the surface of the exterior wall panels is easily damaged during hoisting. At the same time, the overall structural stability of the hoisting is poor, and there are certain safety hazards. In addition, when the exterior wall panels are hoisted to the floor slab for installation, there is also the problem of not being able to set up temporary supports. Summary of the invention

[0003] In view of this, in order to solve the above problems, the object of the present invention is to provide a prefabricated exterior wall panel structure, comprising:

[0004] A precast concrete panel, wherein the precast concrete panel is arranged in a vertical direction and has an outer wall surface and an inner wall surface;

[0005] A steel reinforcement skeleton, wherein the steel reinforcement skeleton is arranged in the precast concrete slab;

[0006] Two first installation tubes, both of which are embedded in the inner wall surface, and both of which are arranged at the same horizontal height, and both of which have axes perpendicular to the inner wall surface, and both of which have internal threads, and both of which have one end in a closed shape, and the other end in an open shape and flush with the inner wall surface;

[0007] Two first connecting members, one end of each of the two first connecting members is provided with an external thread, one end of each of the two first connecting members is respectively installed in the two first installation tubes, and the other end of each of the two first connecting members is provided with a first connecting hole;

[0008] Two lightweight connecting rods, each of which has a second connecting hole at both ends, and one end of each lightweight connecting rod is hinged to the other end of the first connecting member;

[0009] At least one second mounting tube, the second mounting tube is embedded in the top of the precast concrete slab, the axis of the second mounting tube is arranged in the vertical direction, an internal thread is arranged in the second mounting tube, the lower end of the second mounting tube is closed, and the upper end of the second mounting tube is open and flush with the top of the precast concrete slab;

[0010] at least one second connecting member, one end of which is provided with an external thread, one end of which is installed in the second installation tube, and the other end of which is provided with a third connecting hole;

[0011] The third connection hole and two of the second connection holes are used together for the lifting connection of the crane.

[0012] In another preferred embodiment, the crane includes: a crane body, a chain end connecting part, two first chains, at least one second chain and at least three hooks, the chain end connecting part is arranged on the output end of the crane body, one end of the two first chains and one end of the second chain are connected to the chain end connecting part, the other end of the two first chains and the other end of the second chain are each provided with a hook, one of the hooks is connected to the other end of the second connecting member through the third connecting hole, and the other two hooks are connected to the other ends of the two lightweight connecting rods through the two second connecting holes, respectively.

[0013] In another preferred embodiment, the lightweight connecting rod is rotatably connected to the first connecting member.

[0014] In another preferred embodiment, the precast concrete slab is operably mounted on a floor slab, and two third mounting tubes are provided on the floor slab, and the axes of the two third mounting tubes are arranged in a vertical direction, and the lower ends of the two third mounting tubes are closed, and the upper ends of the two third mounting tubes are open and arranged flush with the upper surface of the floor slab, and the two third mounting tubes are respectively connected to the two third connecting members through internal threads, and the upper ends of the two third connecting members are respectively provided with a fourth connecting hole, and the other end of the lightweight connecting rod is operably separated from the hook and connected to the upper end of the third connecting member through a connecting bolt.

[0015] In another preferred embodiment, the precast concrete panel comprises: an outer wall portion and an inner wall portion, the outer wall portion and the inner wall portion are an integrally connected structure, the outer contour of the inner wall portion is smaller than the outer contour of the outer wall portion, and the first mounting tube and the second mounting tube are both arranged on the inner wall portion.

[0016] In another preferred embodiment, the outer edge of the upper surface of the floor slab is recessed to form a positive step portion, the precast concrete slab is installed at the outer edge of the upper surface of the floor slab, the lower end of the outer wall portion protrudes from the lower end of the inner wall portion, and the lower end of the precast concrete slab is formed with an inverted step portion, and the positive step portion is matched with the inverted step portion.

[0017] In another preferred embodiment, a positioning cylinder is respectively provided at the lower part of the two ends of the inner wall part. The positioning cylinder is a cylindrical structure that passes through from top to bottom. An internal thread is provided in the positioning cylinder. A support member is installed in the positioning cylinder in a spirally liftable manner, and the lower end of the support member can be operably pressed against the floor plate.

[0018] In another preferred embodiment, two grooves are provided at the edge of the floor plate, and the lower ends of the two support members are operably placed in the grooves.

[0019] In another preferred embodiment, each of the lightweight connecting rods is provided with a handle.

[0020] The present invention also provides a method for hoisting a prefabricated exterior wall panel structure, comprising the prefabricated exterior wall panel structure described in any one of the above, and specifically comprising the following steps:

[0021] Step S1, producing the prefabricated exterior wall panel structure and transporting it to a designated construction site;

[0022] Step S2, operating the crane so that the three hooks of the crane are all lowered to the ground;

[0023] Step S3, connecting the three hooks to the second connecting member and the two lightweight connecting rods respectively;

[0024] Step S4, operating the crane again to hoist the precast concrete slab to the outer wall installation location of the floor slab, and aligning the positive step portion and the reverse step portion to contact each other to form a certain support;

[0025] Step S5, the crane controls the precast concrete slab to continue to move toward the inner side of the floor slab until the precast concrete slab changes from an inclined state to a vertical state;

[0026] Step S6, disengaging the two hooks connected to the light connecting rod, and then rotating the two light connecting rods and fixedly connecting them to the two third connecting members;

[0027] Step S7, detaching the hook connected to the second connecting member, and removing the second connecting member.

[0028] Due to the adoption of the above technical solution, the present invention has the following positive effects compared with the prior art: through the application of the present invention, the hoisting and temporary fixed support between the precast concrete slab and the floor slab can be completed quickly and stably with a high safety factor; at the same time, the present invention has a simple structure and is easy to produce. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is an overall schematic diagram of a prefabricated exterior wall panel structure of the present invention;

[0030] Figure 2 The figure is a schematic diagram of the installation of a prefabricated exterior wall panel structure of the present invention.

[0031] In the attached figure:

[0032] 1. Precast concrete slab; 11. External wall; 12. Internal wall; 2. First mounting tube; 21. First connecting piece; 3. Lightweight connecting rod; 4. Second mounting tube; 41. Second connecting piece; 5. Chain end connecting part; 51. First chain; 52. Second chain; 53. Hook; 6. Third mounting tube; 61. Third connecting piece; 13. External wall; 14. Internal wall; 15. Positive step part; 7. Floor slab; 71. Inverted step part; 16. Positioning tube; 17. Support member; 72. Groove; 31. Handle. DETAILED DESCRIPTION

[0033] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.

[0034] like Figure 1 and Figure 2 As shown, a prefabricated exterior wall panel structure of a preferred embodiment is shown, comprising:

[0035] A precast concrete panel 1 is arranged in a vertical direction and has an outer wall surface 11 and an inner wall surface 12;

[0036] A steel frame, the steel frame is arranged in the precast concrete slab 1;

[0037] Two first installation tubes 2, both of which are embedded in the inner wall surface 12, and both of which are arranged at the same horizontal height. The axes of both of which are arranged perpendicular to the inner wall surface 12, and both of which are arranged with internal threads, and one end of both of which is closed, and the other end of both of which is opened and flush with the inner wall surface 12;

[0038] Two first connecting members 21, one end of each of the two first connecting members 21 is provided with an external thread, one end of each of the two first connecting members 21 is respectively installed in the two first installation tubes 2, and the other end of each of the two first connecting members 21 is provided with a first connecting hole;

[0039] Two lightweight connecting rods 3, each lightweight connecting rod 3 is provided with a second connecting hole at both ends, and one end of each lightweight connecting rod 3 is hinged to the other end of a first connecting member 21;

[0040] At least one second mounting tube 4, the second mounting tube 4 is embedded in the top of the precast concrete slab 1, the axis of the second mounting tube 4 is arranged in the vertical direction, an internal thread is arranged in the second mounting tube 4, the lower end of the second mounting tube 4 is closed, and the upper end of the second mounting tube 4 is open and flush with the top of the precast concrete slab 1;

[0041] At least one second connecting member 41, one end of the second connecting member 41 is provided with an external thread, one end of the second connecting member 41 is installed in the second installation tube 4, and the other end of the second connecting member 41 is provided with a third connecting hole;

[0042] The third connection hole and two of the second connection holes are used together for the lifting connection of the crane.

[0043] Further, as a preferred embodiment, the second installation tube 4 and the first installation tube 2 are pre-welded to the steel frame, and the outer side is cast by a model to form the above-mentioned precast concrete slab 1

[0044] Further, as a preferred embodiment, the crane includes: a crane body, a chain end connection part 5, two first chains 51, at least one second chain 52 and at least three hooks 53, the chain end connection part 5 is arranged on the output end of the crane body, one end of the two first chains 51 and one end of the second chain 52 are connected to the chain end connection part 5, the other end of the two first chains 51 and the other end of the second chain 52 are each provided with a hook 53, one of the hooks 53 is connected to the other end of the second connecting member 41 through the third connecting hole, and the other two hooks 53 are respectively connected to the other ends of the two lightweight connecting rods 3 through the two second connecting holes.

[0045] Furthermore, as a preferred embodiment, the hook 53 can adopt a mechanical automatic hook mechanism, that is, under the control of the mechanical structure, the construction personnel can transmit the communication signal remotely to make the hook 53 automatically unlock or lock. When the hook 53 is locked, it is in the shape of a closed ring, and when the hook 53 is unlocked, it is in the shape of an open ring.

[0046] Further, as a preferred embodiment, the lightweight connecting rod 3 is rotatably connected to the first connecting member 21 .

[0047] Furthermore, as a preferred embodiment, the lightweight connecting rod 3 and the first connecting member 21 can be connected by nuts and bolts and other common connecting structures, and the bolts can be adjusted so that the lightweight connecting rod 3 and the first connecting member 21 are in a fixed state or a free state. When in the free state, the lightweight connecting rod 3 can rotate relative to the precast concrete slab 1, and when in the fixed state, the angle between the lightweight connecting rod 3 and the concrete slab is fixed.

[0048] Further, as a preferred embodiment, the precast concrete slab 1 can be operably mounted on the floor slab 7, and two third mounting tubes 6 are provided on the floor slab 7, and the axes of the two third mounting tubes 6 are arranged in the vertical direction, the lower ends of the two third mounting tubes 6 are closed, and the upper ends of the two third mounting tubes 6 are open and arranged flush with the upper surface of the floor slab 7, the two third mounting tubes 6 are respectively connected to the two third connecting members 61 through internal threads, and the upper ends of the two third connecting members 61 are respectively provided with a fourth connecting hole, and the other end of the lightweight connecting rod 3 can be operably separated from the hook 53 and connected to the upper end of the third connecting member 61 through a connecting bolt.

[0049] Furthermore, as a preferred embodiment, the precast concrete panel 1 includes: an outer wall portion 13 and an inner wall portion 14, the outer wall portion 13 and the inner wall portion 14 are an integrated connection structure, the outer contour of the inner wall portion 14 is smaller than the outer contour of the outer wall portion 13, and the first mounting tube 2 and the second mounting tube 4 are both arranged on the inner wall portion 14.

[0050] Furthermore, as a preferred embodiment, a weight-reducing cavity is provided in the inner wall portion 14 .

[0051] Further, as a preferred embodiment, the outer edge of the upper surface of the floor slab 7 is recessed to form a positive step portion 15, the precast concrete slab 1 is installed at the outer edge of the upper surface of the floor slab 7, the lower end of the outer wall portion 13 protrudes from the lower end of the inner wall portion 14, and the lower end of the precast concrete slab 1 is formed with an inverted step portion 71, and the positive step portion 15 is matched with the inverted step portion 71.

[0052] Furthermore, as a preferred embodiment, the protruding positions of the positive step portion 15 and the reverse step portion 71 may be designed to be inclined to facilitate matching during installation.

[0053] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention.

[0054] The present invention also has the following implementation modes on the basis of the above:

[0055] In a further embodiment of the present invention, a positioning cylinder 16 is respectively provided at the lower part of both ends of the inner wall portion 14. The positioning cylinder 16 is a cylindrical structure that passes through from top to bottom. An internal thread is provided in the positioning cylinder 16. A support member 17 is installed in the positioning cylinder 16 in a spirally liftable manner. The lower end of the support member 17 can be operably rested on the floor plate 7.

[0056] In a further embodiment of the present invention, two grooves 72 are provided at the edge of the floor plate 7 , and the lower ends of the two support members 17 are operably abutted in the grooves 72 .

[0057] In a further embodiment of the present invention, each lightweight connecting rod 3 is provided with a handle 31 .

[0058] The present invention shows a method for hoisting a prefabricated exterior wall panel structure, including any one of the prefabricated exterior wall panel structures described above, and specifically includes the following steps:

[0059] Step S1, producing a prefabricated exterior wall panel structure and transporting it to a designated construction site;

[0060] Step S2, operating the crane so that the three hooks 53 of the crane are all lowered to the ground;

[0061] Step S3, connecting the three hooks 53 to the second connecting member 41 and the two lightweight connecting rods 3 respectively;

[0062] Step S4, operate the crane again to hoist the precast concrete slab 1 to the outer wall installation location of the floor slab 7, and align the positive step portion 15 and the negative step portion 71 to form a certain support;

[0063] Step S5, the crane controls the precast concrete slab 1 to continue to move toward the inner side of the floor slab 7 until the precast concrete slab 1 changes from an inclined state to a vertical state;

[0064] Step S6, disengage the two hooks 53 connected to the light connecting rod 3, and then rotate the two light connecting rods 3 and fix them to the two third connecting members 61;

[0065] Step S7 , detaching the hook 53 connected to the second connecting member 41 , and removing the second connecting member 41 .

[0066] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A prefabricated exterior wall panel structure, characterized in that: include: A precast concrete panel, wherein the precast concrete panel is arranged in a vertical direction and has an outer wall surface and an inner wall surface; A steel reinforcement skeleton, wherein the steel reinforcement skeleton is arranged in the precast concrete slab; Two first installation tubes, both of which are embedded in the inner wall surface, and both of which are arranged at the same horizontal height, and both of which have axes perpendicular to the inner wall surface, and both of which have internal threads, and both of which have one end in a closed shape, and the other end in an open shape and flush with the inner wall surface; Two first connecting members, one end of each of the two first connecting members is provided with an external thread, one end of each of the two first connecting members is respectively installed in the two first installation tubes, and the other end of each of the two first connecting members is provided with a first connecting hole; Two lightweight connecting rods, each of which has a second connecting hole at both ends, and one end of each lightweight connecting rod is hinged to the other end of the first connecting member; At least one second mounting tube, the second mounting tube is embedded in the top of the precast concrete slab, the axis of the second mounting tube is arranged in the vertical direction, an internal thread is arranged in the second mounting tube, the lower end of the second mounting tube is closed, and the upper end of the second mounting tube is open and flush with the top of the precast concrete slab; at least one second connecting member, one end of which is provided with an external thread, one end of which is installed in the second installation tube, and the other end of which is provided with a third connecting hole; The third connection hole and two of the second connection holes are used together for lifting connection of a crane; Wherein, the second installation tube and the first installation tube are both pre-welded to the steel frame, and the outer side is cast by a model to form the precast concrete slab.

2. The prefabricated exterior wall panel structure according to claim 1, characterized in that: The crane includes: a crane body, a chain end connecting part, two first chains, at least one second chain and at least three hooks, the chain end connecting part is arranged on the output end of the crane body, one end of the two first chains and one end of the second chain are connected to the chain end connecting part, the other end of the two first chains and the other end of the second chain are each provided with a hook, one of the hooks is connected to the other end of the second connecting member through the third connecting hole, and the other two hooks are connected to the other ends of the two lightweight connecting rods through the two second connecting holes, respectively.

3. The prefabricated exterior wall panel structure according to claim 2, characterized in that: The lightweight connecting rod is rotatably connected to the first connecting member.

4. The prefabricated exterior wall panel structure according to claim 3, characterized in that: The precast concrete slab can be operably mounted on the floor slab, and two third mounting tubes are arranged on the floor slab, and the axes of the two third mounting tubes are arranged in the vertical direction, and the lower ends of the two third mounting tubes are closed, and the upper ends of the two third mounting tubes are open and arranged flush with the upper surface of the floor slab, and the two third mounting tubes are respectively connected to the two third connecting members through internal threads, and the upper ends of the two third connecting members are respectively provided with a fourth connecting hole, and the other end of the lightweight connecting rod can be operably separated from the hook and connected to the upper end of the third connecting member through a connecting bolt.

5. The prefabricated exterior wall panel structure according to claim 4, characterized in that: The precast concrete slab comprises an outer wall portion and an inner wall portion, wherein the outer wall portion and the inner wall portion are an integrally connected structure, wherein the outer contour of the inner wall portion is smaller than the outer contour of the outer wall portion, and the first mounting tube and the second mounting tube are both arranged on the inner wall portion.

6. The prefabricated exterior wall panel structure according to claim 5, characterized in that: The outer edge of the upper surface of the floor slab is concave to form a positive step portion, the precast concrete slab is installed at the outer edge of the upper surface of the floor slab, the lower end of the outer wall portion protrudes from the lower end of the inner wall portion, and the lower end of the precast concrete slab is formed with an inverted step portion, and the positive step portion is matched with the inverted step portion.

7. The prefabricated exterior wall panel structure according to claim 6, characterized in that: A positioning cylinder is respectively arranged at the lower part of both ends of the inner wall part. The positioning cylinder is arranged in a cylindrical structure which passes through from top to bottom. An internal thread is arranged in the positioning cylinder. A support member is installed in the positioning cylinder so as to be spirally lifted and lowered. The lower end of the support member can be operably pressed against the floor plate.

8. The prefabricated exterior wall panel structure according to claim 7, characterized in that: Two grooves are arranged at the edge of the floor plate, and the lower ends of the two support members can be respectively operably pressed against the grooves.

9. The prefabricated exterior wall panel structure according to claim 8, characterized in that: Each of the light connecting rods is provided with a handle.

10. A method for hoisting a prefabricated exterior wall panel structure, comprising the prefabricated exterior wall panel structure according to any one of claims 6 to 9, characterized in that: The steps include: Step S1, producing the prefabricated exterior wall panel structure and transporting it to a designated construction site; Step S2, operating the crane so that the three hooks of the crane are all lowered to the ground; Step S3, connecting the three hooks to the second connecting member and the two lightweight connecting rods respectively; Step S4, operating the crane again to hoist the precast concrete slab to the outer wall installation location of the floor slab, and aligning the positive step portion and the reverse step portion to contact each other to form a certain support; Step S5, the crane controls the precast concrete slab to continue to move toward the inner side of the floor slab until the precast concrete slab changes from an inclined state to a vertical state; Step S6, disengaging the two hooks connected to the light connecting rod, and then rotating the two light connecting rods and fixedly connecting them to the two third connecting members; Step S7, detaching the hook connected to the second connecting member, and removing the second connecting member.

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