Auxiliary lifting appliance for prefabricated floor slab
By designing an auxiliary spreader for prefabricated floor slabs, the problem of prefabricated floor slabs falling during the lifting process is solved, and the stability and safety of the lifting process are significantly improved.
Patent Information
- Application Number
- CN202421562686.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-04
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-07-04
AI Technical Summary
During the lifting operation of prefabricated floor slabs, the corners of prefabricated floor slabs are easily cut off, resulting in the drop of prefabricated floor slabs and causing accidents to occur.
An auxiliary spreader for prefabricated floor slabs is designed. By loading the prefabricated floor slabs onto the load plate, clamping and fixing it with a clamping plate, then rotating the winding plate to release the fixing belt, connecting it to the fixing rod through a buckle, re-fixing of the prefabricated floor slabs is achieved, and finally lifting and moving the auxiliary spreader to a suitable position through a lifting ring.
It effectively avoids the prefabricated floor slabs falling during the lifting process due to cutting the lifting belt, improving the stability and safety of the lifting process.
Smart Images
Figure CN222684069U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building hoisting equipment, in particular to an auxiliary hoisting device for prefabricated floor slabs. Background Art
[0002] Prefabricated floor slabs are the most widely used assembly parts in the current construction field. They can be prefabricated in advance according to project requirements or relevant standards, and can be directly hoisted and used during the construction process, saving costs and shortening construction time.
[0003] During the hoisting operation of the existing prefabricated floor slab, a fixing rope is first passed through the bottom of the prefabricated floor slab to temporarily fix the prefabricated floor slab, and then the lifting ring is hung to lift the prefabricated floor slab to complete the hoisting process of the prefabricated floor slab. During the hoisting operation of the prefabricated floor slab, the edges and corners of the prefabricated floor slab are easy to cut the wire rope or canvas lifting belt, so that the prefabricated floor slab falls, causing accidents.
[0004] In view of the above problems, the utility model provides an auxiliary hanger for a prefabricated floor slab. Utility Model Content
[0005] The utility model aims to provide an auxiliary lifting device for prefabricated floor slabs, which loads the prefabricated floor slabs onto a load-bearing plate, and then the clamping plates on both sides of the prefabricated floor slabs begin to approach the prefabricated floor slabs to clamp and fix the prefabricated floor slabs, then rotate the winding drum to release a fixing belt of sufficient length, and then move one end of the fixing belt through the upper end of the prefabricated floor slab and connect it to the fixing rod through a hook, so as to achieve re-fixation of the prefabricated floor slabs, and finally lift the auxiliary lifting device through the lifting ring and move it to a suitable position, thereby avoiding the prefabricated floor slabs from falling due to cutting of the wire rope or the canvas lifting belt during the lifting process, enhancing the stability of the lifting process of the prefabricated floor slabs, thereby greatly improving the safety of the lifting process of the prefabricated floor slabs, and solving the problems in the background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an auxiliary hanger for prefabricated floor slabs, comprising a load-bearing plate, the load-bearing plate is used to place the prefabricated floor slabs, a baffle is arranged at one end of the load-bearing plate, a plurality of evenly distributed first grooves are arranged on the inner side surface of the baffle, a winding drum is arranged inside the first groove, a fixing belt is arranged on the surface of the winding drum, the winding drum can rotate, a hook is arranged at one end of the fixing belt, a fixing rod is arranged at the end of the load-bearing plate away from the baffle, the hook can be connected to the fixing rod, and mutually symmetrical clamping plates are arranged on both sides of the prefabricated floor slabs, and the clamping plates can make reciprocating linear motion in the horizontal direction.
[0007] Furthermore, a rectangular cavity is provided on one side of the baffle, and a horizontal rotating shaft is provided inside the baffle. The rotating shaft passes through the inside of the first groove, and is rotatably connected to the inner wall of the first groove through a bearing. The rotating shaft is fixedly connected to the winding reel, and one end of the rotating shaft extends outward into the rectangular cavity and is fixedly installed with a worm gear, which is meshed with a worm, and both ends of the worm are rotatably connected to the inner wall of the rectangular cavity through bearings.
[0008] Furthermore, symmetrical rectangular plates are fixedly connected to both sides of the upper end of the supporting plate, a threaded hole is opened in the middle of the side of the rectangular plate, the threaded hole is threadedly connected to a threaded rod, one end of the threaded rod is rotatably connected to the side of the clamping plate through a bearing, and the other end of the threaded rod extends to the outside of the rectangular plate and is fixedly connected to a second rotating handle.
[0009] Furthermore, a second groove corresponding to the first groove is formed at one end of the bearing plate away from the baffle, and a transverse fixing rod is fixedly connected inside the second groove.
[0010] Furthermore, four evenly distributed and mutually symmetrical lifting rings are fixedly connected to both sides of the bearing plate.
[0011] Furthermore, one end of the worm extends outward to the outside of the baffle and is fixedly connected to the first rotating handle.
[0012] Furthermore, a rubber layer is fixedly connected to a side of the clamping plate away from the threaded rod.
[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0014] The utility model provides an auxiliary hoist for prefabricated floor slabs. Before hoisting the prefabricated floor slabs, the prefabricated floor slabs are first loaded onto the bearing plate, and then the clamping plates on both sides of the prefabricated floor slabs begin to approach the prefabricated floor slabs to clamp and fix the prefabricated floor slabs, then the winding drum is rotated to release a fixing belt of sufficient length, and then one end of the fixing belt is moved to pass through the upper end of the prefabricated floor slab and connected to the fixing rod through a hook, so as to realize the re-fixation of the prefabricated floor slabs, and finally the auxiliary hoist is hoisted and moved to a suitable position through the lifting ring. The purpose of this design is to load the prefabricated floor slabs onto the bearing plate, and then After that, the clamping plates on both sides of the prefabricated floor slab begin to approach the prefabricated floor slab, clamp the prefabricated floor slab and fix it. Then, the winding drum is rotated to release a fixing belt of sufficient length. Then, one end of the fixing belt is moved through the upper end of the prefabricated floor slab and connected to the fixing rod through a hook, so as to fix the prefabricated floor slab again. Finally, the auxiliary lifting device is lifted and moved to a suitable position through the lifting ring, which avoids the prefabricated floor slab from falling due to cutting of the wire rope or canvas lifting belt during the lifting process, enhances the stability of the prefabricated floor slab lifting process, and thus greatly improves the safety of the prefabricated floor slab lifting process. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 It is a structural schematic diagram of the first groove in the utility model;
[0017] Figure 3 It is a schematic diagram of the structure of the rectangular cavity in the utility model;
[0018] Figure 4 for Figure 1 A schematic diagram of the structure enlargement at point A;
[0019] Figure 5 It is a structural schematic diagram of the rubber layer in the utility model.
[0020] In the figure: 1, bearing plate; 2, prefabricated floor; 3, baffle; 4, first groove; 5, winding drum; 6, fixing belt; 7, hook; 8, rotating shaft; 9, rectangular cavity; 10, worm gear; 11, worm; 12, first rotating handle; 13, clamping plate; 14, rubber layer; 15, rectangular plate; 16, threaded hole; 17, threaded rod; 18, second rotating handle; 19, second groove; 20, fixing rod; 21, lifting ring. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] In order to solve the technical problem that during the hoisting operation of prefabricated floor slabs, the corners of prefabricated floor slabs are easy to cut the wire rope or canvas lifting belt, causing the prefabricated floor slabs to fall and cause accidents, such as Figure 1-5 As shown, the following preferred technical solutions are provided:
[0023] An auxiliary hanger for prefabricated floor slabs comprises a bearing plate 1, the bearing plate 1 is used to place a prefabricated floor slab 2, a baffle plate 3 is arranged at one end of the bearing plate 1, a plurality of evenly distributed first grooves 4 are arranged on the inner side surface of the baffle plate 3, a winding drum 5 is arranged inside the first groove 4, a fixing belt 6 is arranged on the surface of the winding drum 5, the winding drum 5 can rotate, a hook 7 is arranged at one end of the fixing belt 6, a fixing rod 20 is arranged at one end of the bearing plate 1 away from the baffle plate 3, the hook 7 can be connected to the fixing rod 20, and mutually symmetrical clamping plates 13 are arranged on both sides of the prefabricated floor slab 2, and the clamping plates 13 can make reciprocating linear motion in the horizontal direction.
[0024] Specifically, before hoisting the precast floor slab 2, first load the precast floor slab 2 onto the bearing plate 1, then the clamping plates 13 on both sides of the precast floor slab 2 begin to approach the precast floor slab 2 to clamp and fix the precast floor slab 2, then rotate the winding drum 5 to release a fixing belt 6 of sufficient length, then move one end of the fixing belt 6 through the upper end of the precast floor slab 2 and connect it to the fixing rod 20 through the hook 7, so as to achieve the re-fixation of the precast floor slab 2, and finally lift the auxiliary hoisting device through the lifting ring 21 and move it to a suitable position. The purpose of this design is to load the precast floor slab 2 onto the bearing plate 1, and then the two sides of the precast floor slab 2 The clamping plate 13 on the side begins to approach the precast floor 2 to clamp and fix the precast floor 2, then the winding drum 5 is rotated to release a fixing belt 6 of sufficient length, and then one end of the fixing belt 6 is moved to pass through the upper end of the precast floor 2 and connected to the fixing rod 20 through the hook 7, so as to achieve the re-fixation of the precast floor 2, and finally the auxiliary lifting device is lifted and moved to a suitable position through the lifting ring 21, which avoids the precast floor 2 from falling due to cutting of the wire rope or canvas lifting belt during the lifting process, enhances the stability of the lifting process of the precast floor 2, and thus greatly improves the safety of the lifting process of the precast floor 2.
[0025] Further, such as Figure 1 , Figure 2 and Figure 3 As shown, the following preferred technical solutions are provided:
[0026] A rectangular cavity 9 is provided on one side of the baffle 3, and a horizontal rotating shaft 8 is provided inside the baffle 3. The rotating shaft 8 passes through the first groove 4, and the rotating shaft 8 is rotatably connected to the inner wall of the first groove 4 through a bearing. The rotating shaft 8 is fixedly connected to the winding drum 5, and one end of the rotating shaft 8 extends outward into the rectangular cavity 9 and is fixedly installed with a worm wheel 10, which is meshed and connected to a worm 11, and both ends of the worm 11 are rotatably connected to the inner wall of the rectangular cavity 9 through bearings. The purpose of such a design is to drive the rotation of the worm wheel 10 through the rotation of the worm 11, and the rotation of the worm wheel 10 drives the rotation of the rotating shaft 8, so that the winding drum 5 rotates to adjust the length of the fixed belt 6, and the worm wheel 10 and the worm 11 are self-locking to prevent the winding drum 5 from automatically rotating.
[0027] Further, such as Figure 1 As shown, the following preferred technical solutions are provided:
[0028] Symmetrical rectangular plates 15 are fixedly connected to both sides of the upper end of the bearing plate 1. A threaded hole 16 is opened in the middle of the side of the rectangular plate 15, and the threaded hole 16 is threadedly connected to a threaded rod 17. One end of the threaded rod 17 is rotatably connected to the side of the clamping plate 13 through a bearing, and the other end of the threaded rod 17 extends to the outside of the rectangular plate 15 and is fixedly connected to a second rotating handle 18. The purpose of this design is to drive the threaded rod 17 to rotate by rotating the second rotating handle 18. When the threaded rod 17 rotates, since the threaded rod 17 is threadedly connected to the threaded hole 16, the threaded rod 17 is rotatably connected to the clamping plate 13, so the threaded rod 17 drives the clamping plate 13 to move closer to or away from the prefabricated floor 2, so that the position of the prefabricated floor 2 on the bearing plate 1 remains fixed, thereby improving the stability of the prefabricated floor 2 during the lifting process.
[0029] Further, such as Figure 1 and Figure 4 As shown, the following preferred technical solutions are provided:
[0030] A second groove 19 corresponding to the first groove 4 is formed at one end of the load-bearing plate 1 away from the baffle plate 3, and a horizontal fixing rod 20 is fixedly connected to the inside of the second groove 19. The purpose of this design is to firmly fix the fixing belt 6 to the upper end of the prefabricated floor 2 through the hook 7 and the matching fixing rod 20, thereby achieving vertical fixation of the prefabricated floor 2 and enhancing the stability of the prefabricated floor 2 during the lifting process.
[0031] Further, such as Figure 1 As shown, the following preferred technical solutions are provided:
[0032] Four evenly distributed and mutually symmetrical lifting rings 21 are fixedly connected to both sides of the load-bearing plate 1. The purpose of this design is to lift the auxiliary lifting device through multiple evenly distributed lifting rings 21, thereby evenly applying force to the entire auxiliary lifting device, so that the entire auxiliary lifting device can remain stable during lifting and transportation.
[0033] Further, such as Figure 1 As shown, the following preferred technical solutions are provided:
[0034] One end of the worm 11 extends outward to the outside of the baffle 3 and is fixedly connected to a first rotating handle 12 . The purpose of this design is to improve the convenience of rotating the worm 11 through the first rotating handle 12 .
[0035] Further, such as Figure 5 As shown, the following preferred technical solutions are provided:
[0036] The side of the clamping plate 13 away from the threaded rod 17 is fixedly connected with a rubber layer 14. The purpose of this design is to increase the friction between the clamping plate 13 and the prefabricated floor slab 2 through the rubber layer 14, thereby preventing the prefabricated floor slab 2 from slipping during hoisting, thereby improving the safety of the hoisting process of the prefabricated floor slab 2.
[0037] In summary, before hoisting the prefabricated floor 2, first load the prefabricated floor 2 onto the bearing plate 1, then the clamping plates 13 on both sides of the prefabricated floor 2 begin to approach the prefabricated floor 2 to clamp and fix the prefabricated floor 2, then rotate the winding drum 5 to release a fixing belt 6 of sufficient length, then move one end of the fixing belt 6 through the upper end of the prefabricated floor 2 and connect it to the fixing rod 20 through the hook 7, so as to achieve the re-fixation of the prefabricated floor 2, and finally lift the auxiliary hoist through the lifting ring 21 and move it to a suitable position. The purpose of this design is to load the prefabricated floor 2 onto the bearing plate 1, and then the two sides of the prefabricated floor 2 The clamping plate 13 on the side begins to approach the precast floor 2 to clamp and fix the precast floor 2, then the winding drum 5 is rotated to release a fixing belt 6 of sufficient length, and then one end of the fixing belt 6 is moved to pass through the upper end of the precast floor 2 and connected to the fixing rod 20 through the hook 7, so as to achieve the re-fixation of the precast floor 2, and finally the auxiliary lifting device is lifted and moved to a suitable position through the lifting ring 21, which avoids the precast floor 2 from falling due to cutting of the wire rope or canvas lifting belt during the lifting process, enhances the stability of the lifting process of the precast floor 2, and thus greatly improves the safety of the lifting process of the precast floor 2.
[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An auxiliary hanger for a prefabricated floor, comprising a load-bearing plate (1), characterized in that: The bearing plate (1) is used for placing a prefabricated floor slab (2); a baffle (3) is arranged at one end of the bearing plate (1); a plurality of evenly distributed first grooves (4) are arranged on the inner side surface of the baffle (3); a winding drum (5) is arranged inside the first groove (4); a fixing belt (6) is arranged on the surface of the winding drum (5); the winding drum (5) can rotate; a hook (7) is arranged at one end of the fixing belt (6); a fixing rod (20) is arranged at one end of the bearing plate (1) away from the baffle (3); the hook (7) can be connected to the fixing rod (20); mutually symmetrical clamping plates (13) are arranged on both sides of the prefabricated floor slab (2); and the clamping plates (13) can perform reciprocating linear motion in a horizontal direction.
2. The auxiliary hanger for prefabricated floor slab according to claim 1, characterized in that: A rectangular cavity (9) is provided on one side of the baffle (3), a horizontal rotating shaft (8) is provided inside the baffle (3), the rotating shaft (8) passes through the inside of the first groove (4), the rotating shaft (8) is rotatably connected to the inner wall of the first groove (4) through a bearing, the rotating shaft (8) is fixedly connected to the winding reel (5), one end of the rotating shaft (8) extends outward into the rectangular cavity (9) and is fixedly installed with a worm wheel (10), the worm wheel (10) is meshedly connected to a worm (11), and both ends of the worm (11) are rotatably connected to the inner wall of the rectangular cavity (9) through bearings.
3. The auxiliary hanger for prefabricated floor slab according to claim 1, characterized in that: The upper ends of the carrier plate (1) are fixedly connected with mutually symmetrical rectangular plates (15), the middle of the side faces of the rectangular plates (15) are provided with threaded holes (16), the threaded holes (16) are threadedly connected with threaded rods (17), one end of the threaded rod (17) is rotatably connected to the side faces of the clamping plate (13) through a bearing, and the other end of the threaded rod (17) extends to the outside of the rectangular plates (15) and is fixedly connected with a second rotating handle (18).
4. The auxiliary hanger for prefabricated floor slab according to claim 1, characterized in that: A second groove (19) corresponding to the first groove (4) is formed at one end of the carrier plate (1) away from the baffle plate (3), and a transverse fixing rod (20) is fixedly connected inside the second groove (19).
5. The auxiliary hanger for prefabricated floor slab according to claim 1, characterized in that: Four evenly distributed and mutually symmetrical hanging rings (21) are fixedly connected to both sides of the bearing plate (1).
6. The auxiliary hanger for prefabricated floor slab according to claim 2, characterized in that: One end of the worm (11) extends outward to the outside of the baffle (3) and is fixedly connected to a first rotating handle (12).
7. The auxiliary hanger for prefabricated floor slab according to claim 1, characterized in that: A rubber layer (14) is fixedly connected to the side of the clamping plate (13) away from the threaded rod (17).