Conversion frame body for construction of cantilever eave structure

Abstract

The utility model relates to the related technical field of constructional engineering structures, in particular to a conversion frame body for construction of a cantilever eave structure. The top of the bottom plate is fixedly connected with four supporting rods, the top ends of the four supporting rods are all fixedly connected with a top plate, a lifting bridge box is arranged among the four supporting rods, and the top of the lifting bridge box is fixedly connected with two portal frames. Under the matching action of the bottom plate, the supporting rods, the top plate, the lifting bridge box, the portal frame, the limiting box and the labor-saving mechanism, after a worker enters the lifting bridge box, the device controls the lifting bridge box to do lifting motion, and then the worker is automatically carried to a construction site of a building; the problems that an existing conversion frame body for cantilever eave structure construction does not have the lifting function, workers need to climb on a scaffold when the workers conduct construction on the high position of a building, labor is wasted, and the working efficiency of the workers is reduced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field related to building engineering structures, in particular to a conversion frame used for the construction of cantilevered eaves structures. Background Art

[0002] In the field of construction, many buildings feature wide eaves to preserve traditional architectural culture and reflect the solemnity of the building structure. However, due to the long eaves, the construction process is complicated. To ensure construction safety and meet construction design requirements, scaffolding is indispensable.

[0003] The utility model patent with announcement number CN216810956U discloses a conversion frame for cantilever eaves structure construction, which belongs to the technical field related to building engineering structure. It solves the problem that the scaffolding in the existing technology is usually set about 300mm outside the building structure, but when constructing to the eaves, the scaffolding interferes with the eaves formwork support. It is necessary to first dismantle the scaffolding, then set up the eaves formwork support, and then re-erect the scaffolding. The construction process is relatively cumbersome, there are many repeated constructions, which is time-consuming and wasteful, affecting the construction progress and increasing the construction cost. It includes a conversion frame body, an adjustment base, and an inner formwork frame. The utility model comprises a conversion frame body, an eaves formwork, a protective frame body, an adjustable top support, and a scaffolding board. The lower end of the conversion frame body is adjustably mounted on the ground via a plurality of adjustable bases. The conversion frame body is erected upward along the inner formwork frame of the building structure to the bottom of the eaves formwork. The inner side of the conversion frame body can be fixedly connected to the inner formwork frame of the building structure. The eaves formwork is adjustably mounted on the top of the conversion frame body via a plurality of adjustable top supports and is tilted downward toward the outside of the inner formwork frame. The protective frame body is fixedly mounted on the top of the conversion frame body and is located outside the cornice formwork of the eaves formwork. The scaffolding board is installed within the conversion frame body and is located at the working surface. This utility model can avoid repeated construction of the cornice area of the cantilevered eaves, thereby improving construction efficiency.

[0004] However, the above patent still has shortcomings: although the patent can avoid repeated construction of the cantilevered eaves, it does not have the function of lifting and lowering, resulting in workers needing to climb on scaffolding when carrying out construction at higher places of the building, which is more laborious and poses a safety hazard, reducing the workers' work efficiency. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a conversion frame for the construction of cantilevered eaves structures, so as to solve the problem proposed in the above background technology that the existing conversion frame for the construction of cantilevered eaves structures does not have the lifting function, resulting in workers needing to climb on the scaffolding when carrying out construction at higher places of the building, which is more laborious and poses a safety hazard, thereby reducing the work efficiency of the workers.

[0006] The technical solution of the utility model is:

[0007] A conversion frame for the construction of a cantilevered eaves structure, comprising: a base plate; four support rods are fixedly connected to the top of the base plate, the top ends of the four support rods are fixedly connected to the top plate, a lifting bridge box is provided between the four support rods, two gantries are fixedly connected to the top of the lifting bridge box, and the tops of the two gantries are fixedly connected via a limit box; a labor-saving mechanism for controlling the rapid lifting of the lifting bridge box is provided on one side of the lifting bridge box; a limiting mechanism is provided between the two gantries to prevent the lifting bridge box from falling rapidly.

[0008] The transmission mechanism that this second end faces the rotation of described supporting ram and the supporting ram is that the cam is connected with the said supporting ram of the said motor to the said lifting gear.

[0009] Preferably, the limiting mechanism includes: two L-shaped rods are arranged between the two gantries, the middle parts of the L-shaped rods are rotatably connected to the third rotating shaft, and the two ends of the third rotating shaft are respectively fixedly connected to the gantry; limiting plates are provided on the opposite sides of the two L-shaped rods, the two ends of the limiting plates are respectively fixedly connected to the top plate and the bottom plate, the side of the L-shaped rod close to the limiting plate is fixedly connected to the limiting buckle, and the limiting plate is provided with a corresponding limiting groove near the limiting buckle; a lifting mechanism connected to the first fixed plate is provided between the two L-shaped rods.

[0010] Preferably, the lifting mechanism includes: a counterweight block is arranged between the two L-shaped rods, cylindrical rods are fixedly connected to both sides of the L-shaped rod close to one end of the counterweight block, and the counterweight block is fixedly connected to the first fixed plate; and corresponding travel grooves are provided on the counterweight blocks close to the cylindrical rods.

[0011] Preferably, sliding rods are provided on both sides of the limit plate, and the two ends of the sliding rods are fixedly connected to the top plate and the bottom plate respectively. The outer surfaces of the sliding rods are slidably connected to lifting blocks, and the lifting blocks are fixedly connected to the gantry respectively.

[0012] Preferably, universal wheels with braking function are provided at the four corners of the bottom of the base plate, and the universal wheels are fixedly connected to the base plate.

[0013] Preferably, a controller with a battery inside is provided on a side of the winding wheel away from the motor, the controller is fixedly connected to the base plate, and the motor is electrically connected to the controller.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] Firstly, the utility model, through the cooperation of the bottom plate, support rods, top plate, lifting bridge box, gantry, limit box and labor-saving mechanism, allows workers to enter the lifting bridge box, which is then controlled by the device to perform lifting and lowering movements, thereby automatically carrying the workers to the construction site of the building. This solves the problem that the existing conversion frame used for the construction of cantilevered eaves structures does not have the lifting function, resulting in workers having to climb on the scaffolding when constructing at higher places of the building, which is more laborious and reduces the workers' work efficiency.

[0016] Secondly, the utility model can perform emergency braking on the lifting bridge box when the lifting bridge box falls rapidly through the coordinated action of the bottom plate, support rod, top plate, lifting bridge box, gantry, limit box and limit mechanism, so as to avoid injuries to workers inside the lifting bridge box, improve safety, and solve the problem that the existing conversion frame used for the construction of cantilevered eaves structures requires workers to climb on the scaffolding, which poses a safety hazard. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of a conversion frame used for the construction of a cantilevered eaves structure according to the present invention;

[0018] Figure 2 This is a schematic side sectional structural diagram of a conversion frame used for cantilever eaves structure construction of the present invention;

[0019] Figure 3 For the utility model Figure 2 A in the middle is an enlarged structural diagram;

[0020] Figure 4 This is a schematic diagram of the connection structure between the lifting bridge box and the gantry frame of the utility model;

[0021] Figure 5 This is a schematic structural diagram of the labor-saving mechanism of the utility model;

[0022] Figure 6 This is a schematic structural diagram of the limiting mechanism of the present utility model.

[0023] In the picture:

[0024] 1. Bottom plate; 2. Support rod; 3. Top plate; 4. Lifting bridge box; 5. Gantry; 6. Limit box; 7. Labor-saving mechanism; 8. Limit mechanism; 9. Motor seat; 10. Motor; 11. Winding wheel; 12. Wire rope; 13. Movable pulley; 14. First rotating shaft; 15. First fixed plate; 16. Fixed pulley; 17. Second rotating shaft; 18. Second fixed plate; 19. Through hole; 20. Rectangular groove; 21. L-shaped rod; 22. Third rotating shaft; 23. Limit plate; 24. Limit buckle; 25. Limit groove; 26. Lifting mechanism; 27. Counterweight block; 28. Cylindrical rod; 29. Travel groove; 30. Sliding rod; 31. Lifting block; 32. Universal wheel; 33. Controller. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] See also Figures 1 to 6 The present invention describes the above technical solution in detail through the following embodiments:

[0027] A conversion frame for the construction of cantilevered eaves structures, comprising: a base plate 1; four support rods 2 are fixedly connected to the top of the base plate 1, the top ends of the four support rods 2 are fixedly connected to the top plate 3, a lifting bridge box 4 is arranged between the four support rods 2, two gantries 5 are fixedly connected to the top of the lifting bridge box 4, and the tops of the two gantries 5 are fixedly connected through a limit box 6; a labor-saving mechanism 7 for controlling the rapid lifting of the lifting bridge box 4 is arranged on one side of the lifting bridge box 4; a limiting mechanism 8 is arranged between the two gantries 5 to prevent the lifting bridge box 4 from falling rapidly, so that workers can enter the interior of the lifting bridge box 4, and then control the lifting bridge box 4 to perform stable vertical lifting movement inside the device through the labor-saving mechanism 7, thereby bringing the workers to a suitable height, thereby achieving the purpose of automatically driving the workers to lift and lower.

[0028] like Figure 5As shown, the labor-saving mechanism 7 includes: a motor base 9 is provided on one side of the lifting bridge box 4, and a corresponding motor 10 is provided inside the motor base 9. The output end of the motor 10 is fixedly connected to a winding wheel 11, and the outer surface of the winding wheel 11 is fixedly connected to a wire rope 12. The end of the wire rope 12 away from the winding wheel 11 is fixedly connected to the top plate 3; a movable pulley 13 is provided inside the limit box 6, and the center of the movable pulley 13 is fixedly connected to a first rotating shaft 14, and both ends of the first rotating shaft 14 are rotatably connected to a first fixed plate 15, and a fixed pulley 16 is provided on one side of the top plate 3. The center of the fixed pulley 16 is fixedly connected to a second rotating shaft 17, and both ends of the second rotating shaft 17 are rotatably connected to a second fixed plate 18, and the bottom ends of the two second fixed plates 18 are fixedly connected to the top plate 3, and the fixed pulley 16 and the movable pulley 13 cooperate with the wire rope 12. A through hole 19 is opened on the top plate 3 near the wire rope 12, and the limit box 6 is close to the movable pulley 13 The first fixed plate 15 is provided with a corresponding rectangular groove 20, and the motor 10 is started. The output end of the motor 10 drives the winding wheel 11 to rotate. The winding wheel 11 rotates while winding one end of the wire rope 12, so that the length of the wire rope 12 is shortened. The wire rope 12 drives the fixed pulley 16 while winding. The fixed pulley 16 rotates through the cooperation of the second rotating shaft 17 and the second fixed plate 18, and then pulls the movable pulley 13 to rise. The movable pulley 13 rotates while rising through the cooperation of the first rotating shaft 14 and the first fixed plate 15, driving the lifting bridge box 4 to rise inside the device, which can automatically carry the workers to the construction site of the building, solving the problem that the existing conversion frame for the construction of cantilevered eaves structures does not have the lifting function, resulting in workers needing to climb on the scaffolding when constructing at higher places of the building, which is more laborious and reduces the work efficiency of the workers.

[0029] like Figure 1 、 Figure 2 and 6 As shown, the limiting mechanism 8 includes: two L-shaped rods 21 are arranged between the two gantries 5, the middle part of the L-shaped rod 21 is rotatably connected to the third rotating shaft 22, and the two ends of the third rotating shaft 22 are respectively fixedly connected to the gantry 5; the two L-shaped rods 21 are provided with a limiting plate 23 on the opposite side, and the two ends of the limiting plate 23 are respectively fixedly connected to the top plate 3 and the bottom plate 1, and the side of the L-shaped rod 21 close to the limiting plate 23 is fixedly connected to the limiting buckle 24, and the limiting plate 23 is close to the limiting plate 23. Matching limit slots 25 are provided near the limit buckles 24; a lifting mechanism 26 connected to the first fixed plate 15 is provided between the two L-shaped rods 21, and the first fixed plate 15 drives one end of the L-shaped rod 21 through the lifting mechanism 26, so that the L-shaped rod 21 rotates with the third rotating shaft 22 as the center of the circle. When the L-shaped rod 21 rotates, it drives the limit buckle 24, so that the limit buckle 24 is separated from the limit slot 25 on the limit plate 23 to control the lifting and lowering of the lifting bridge box 4.

[0030] like Figure 6 As shown, the lifting mechanism 26 includes: a counterweight 27 is provided between the two L-shaped rods 21, and cylindrical rods 28 are fixedly connected on both sides of the L-shaped rod 21 near one end of the counterweight 27, and the counterweight 27 is fixedly connected to the first fixed plate 15; the counterweight 27 is provided with an adaptive stroke groove 29 near the cylindrical rod 28, and the first fixed plate 15 drives the counterweight 27 to move upward to the limit box 6. While the counterweight 27 rises, it drives the cylindrical rod 28 through the stroke groove 29, and the cylindrical rod 28 drives one end of the L-shaped rod 21. When the wire rope 12 breaks, the top tension of the counterweight 27 disappears, and the elastic sheets on both sides of the top of the counterweight 27 push the counterweight 27 to move downward. When the weight block 27 moves downward, it squeezes the cylindrical rod 28 through the travel groove 29. The cylindrical rod 28 squeezes one end of the L-shaped rod 21, so that the L-shaped rod 21 is reset with the third rotating shaft 22 as the center of the circle. When the L-shaped rod 21 is reset, it drives the limit buckle 24, so that the limit buckle 24 is stuck in the limit groove 25 inside the limit plate 23, and the lifting bridge box 4 can be controlled to stop suddenly. When the lifting bridge box 4 falls rapidly, the lifting bridge box 4 can be emergency braked to avoid injuries to the workers inside the lifting bridge box 4, thereby improving safety and solving the problem that the existing conversion frame used for the construction of cantilevered eaves structures requires workers to climb on the scaffolding, which poses a safety hazard.

[0031] like Figure 1 As shown, sliding rods 30 are provided on both sides of the limit plate 23, and the two ends of the sliding rods 30 are fixedly connected to the top plate 3 and the bottom plate 1 respectively. The outer surface of the sliding rods 30 is slidably connected with lifting blocks 31, and the lifting blocks 31 are fixedly connected to the gantry 5 respectively, which can limit the lifting bridge box 4 so that the lifting bridge box 4 can perform vertical lifting movements inside the device.

[0032] like Figure 1 As shown, universal wheels 32 with braking function are provided at the four corners of the bottom of the base plate 1, and the universal wheels 32 are fixedly connected to the base plate 1, so as to facilitate the user to move and fix the device.

[0033] like Figure 1 As shown, a controller 33 with a battery inside is provided on the side of the winding wheel 11 away from the motor 10. The controller 33 is fixedly connected to the base plate 1, and the motor 10 is electrically connected to the controller 33, which can provide power for the motor 10, and the battery inside the controller 33 can also be connected to the power source through wires, thereby improving the flexibility of the device.

[0034] Working principle: workers can enter the interior of the lifting bridge box 4 and then start the motor 10. The output end of the motor 10 drives the winding wheel 11 to rotate. The winding wheel 11 rotates while winding one end of the wire rope 12, so that the length of the wire rope 12 is shortened. The wire rope 12 drives the fixed pulley 16 while winding. The fixed pulley 16 rotates through the cooperation of the second rotating shaft 17 and the second fixed plate 18, and then pulls the movable pulley 13 to rise. The movable pulley 13 rotates while rising through the cooperation of the first rotating shaft 14 and the first fixed plate 15, and then pulls the counterweight block 27 to move upward to the limit box 6. The counterweight block 2 As the lift rises, the cylindrical rod 28 is driven through the travel slot 29, and the cylindrical rod 28 drives one end of the L-shaped rod 21, so that the L-shaped rod 21 rotates with the third rotating shaft 22 as the center. As the L-shaped rod 21 rotates, it drives the limiting buckle 24, so that the limiting buckle 24 is separated from the limiting slot 25 on the limiting plate 23, thereby controlling the lifting bridge box 4 to move up and down, and automatically carrying workers to the construction site of the building, thereby solving the problem that the existing conversion frame for the construction of cantilevered eaves structures does not have the lifting function, resulting in the workers having to climb on the scaffolding when constructing at higher places of the building, which is more laborious and reduces the workers' work efficiency.

[0035] When the wire rope 12 breaks, the top tension of the counterweight 27 disappears, and the elastic sheets on both sides of the top of the counterweight 27 push the counterweight 27 to move downward. While the counterweight 27 moves downward, it squeezes the cylindrical rod 28 through the travel groove 29. The cylindrical rod 28 squeezes one end of the L-shaped rod 21, so that the L-shaped rod 21 is reset with the third rotating shaft 22 as the center of the circle. While the L-shaped rod 21 is reset, it drives the limit buckle 24 so that the limit buckle 24 is stuck in the limit groove 25 inside the limit plate 23, which can control the lifting bridge box 4 to stop urgently. The lifting bridge box 4 can be emergency braked while it falls rapidly to avoid injuries to the workers inside the lifting bridge box 4, thereby improving safety and solving the problem that the existing conversion frame for the construction of cantilevered eaves structures requires workers to climb on the scaffolding, which poses a safety hazard.

[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A conversion frame for cantilever eaves structure construction, comprising: Bottom plate (1); The invention is characterized in that the top of the bottom plate (1) is fixedly connected with four support rods (2), the top ends of the four support rods (2) are fixedly connected with the top plate (3), a lifting bridge box (4) is provided between the four support rods (2), the top of the lifting bridge box (4) is fixedly connected with two gantries (5), and the tops of the two gantries (5) are fixedly connected via a limit box (6); A labor-saving mechanism (7) for controlling the rapid lifting of the lifting bridge box (4) is provided on one side of the lifting bridge box (4); A limiting mechanism (8) is provided between the two gantries (5) to prevent the lifting bridge box (4) from falling rapidly.

2. The conversion frame for cantilever eaves structure construction according to claim 1, characterized in that: The labor-saving mechanism (7) comprises: A motor seat (9) is provided on one side of the lifting bridge box (4), a matching motor (10) is provided inside the motor seat (9), an output end of the motor (10) is fixedly connected to a winding wheel (11), an outer surface of the winding wheel (11) is fixedly connected to a steel wire rope (12), and an end of the steel wire rope (12) away from the winding wheel (11) is fixedly connected to the top plate (3); A movable pulley (13) is provided inside the limit box (6), and a first rotating shaft (14) is fixedly connected to the center of the movable pulley (13), and both ends of the first rotating shaft (14) are rotatably connected to a first fixed plate (15). A fixed pulley (16) is provided on one side of the top of the top plate (3), and a second rotating shaft (17) is fixedly connected to the center of the fixed pulley (16), and both ends of the second rotating shaft (17) are rotatably connected to a second fixed plate (18). The bottom ends of the two second fixed plates (18) are fixedly connected to the top plate (3), and the fixed pulley (16) and the movable pulley (13) are both matched with the steel wire rope (12). A through hole (19) is provided on the top plate (3) near the steel wire rope (12), and a matching rectangular groove (20) is provided on the limit box (6) near the movable pulley (13) and the first fixed plate (15).

3. The conversion frame for cantilever eaves structure construction according to claim 1, characterized in that: The limiting mechanism (8) comprises: Two L-shaped rods (21) are provided between the two gantries (5), the middle portions of the L-shaped rods (21) are rotatably connected to a third rotating shaft (22), and both ends of the third rotating shaft (22) are fixedly connected to the gantries (5) respectively; A limiting plate (23) is provided on one side opposite to the two L-shaped rods (21), and two ends of the limiting plate (23) are fixedly connected to the top plate (3) and the bottom plate (1) respectively. A limiting buckle (24) is fixedly connected to one side of the L-shaped rod (21) close to the limiting plate (23), and a matching limiting groove (25) is provided on the limiting plate (23) close to the limiting buckle (24). A lifting mechanism (26) connected to the first fixing plate (15) is provided between the two L-shaped rods (21).

4. The conversion frame for cantilever eaves structure construction according to claim 3, characterized in that: The lifting mechanism (26) comprises: A counterweight (27) is provided between the two L-shaped rods (21), and cylindrical rods (28) are fixedly connected to both sides of one end of the L-shaped rod (21) close to the counterweight (27), and the counterweight (27) is fixedly connected to the first fixing plate (15); The counterweight blocks (27) are each provided with a corresponding travel groove (29) near the cylindrical rod (28).

5. The conversion frame for cantilever eaves structure construction according to claim 3, characterized in that: Slide rods (30) are provided on both sides of the limit plate (23), and the two ends of the slide rods (30) are fixedly connected to the top plate (3) and the bottom plate (1) respectively. The outer surface of the slide rods (30) is slidably connected to lifting blocks (31), and the lifting blocks (31) are fixedly connected to the gantry (5).

6. The conversion frame for cantilever eaves structure construction according to claim 1, characterized in that: Universal wheels (32) with a braking function are provided at the four corners of the bottom of the base plate (1), and the universal wheels (32) are fixedly connected to the base plate (1).

7. The conversion frame for cantilever eaves structure construction according to claim 2, characterized in that: A controller (33) with a battery inside is provided on a side of the winding wheel (11) away from the motor (10); the controller (33) is fixedly connected to the bottom plate (1); and the motor (10) is electrically connected to the controller (33).

Images