Hoisting device for prefabricated platform plate

Abstract

The utility model discloses a hoisting device for a prefabricated platform plate, which comprises a sling, a hoisting mechanism is arranged at the top end of the sling and used for hoisting the prefabricated platform plate, and the hoisting mechanism comprises an adjusting assembly arranged on the top surface of the sling and used for adjusting and fixing the position of a hoisting point at the top end of the sling, the utility model relates to the technical field of hoisting devices for prefabricated platform plates. According to the hoisting device for the prefabricated platform plate, a hoisting point at the top end of a sling can be adjusted and fixed through an adjusting plate and a limiting bolt, during use, a user adjusts the size specification of the prefabricated platform plate, and during adjustment, a handle is pulled to drive the adjusting plate to pass through a mounting block, and a connecting ring moves; and then the connecting ring drives the top end of the sling to move to change a lifting point, then a limiting bolt is rotated to be inserted into a limiting groove to fix the position of an adjusting plate, then subsequent lifting operation can be carried out, shaking or inclination in the lifting process is avoided, and the stability during lifting is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hoisting devices for prefabricated platform plates, in particular to a hoisting device for prefabricated platform plates. Background Art

[0002] The lifting device for prefabricated platform panels refers to the equipment and tools used to lift and fix objects or equipment. They play an important role in various industrial and commercial fields. In the construction of subway stations, prefabricated platform panels, as a key structural element, have an important impact on the performance and quality of the station. Prefabricated platform panels need to be installed accurately during the construction process to ensure the stability and safety of the platform, which requires the use of lifting devices for prefabricated platform panels for installation.

[0003] The existing hoisting device for prefabricated platform panels still has the following problems. The existing device generally installs a lifting lug on the prefabricated panel before hoisting. Referring to the patent application with publication number CN215479212U, a clamping device and a fixing device for hoisting a concrete prefabricated panel are disclosed. The patent application also discloses a fixing device for hanging the concrete prefabricated panel. The clamping device and the fixing device of the application can simply and efficiently hoist the concrete prefabricated panel, reduce the difficulty of hoisting, and improve the hoisting efficiency.

[0004] However, the above technology uses a clamp to fix the prefabricated panel and then hoist it with a wire rope. The top of the wire rope of the existing device is generally concentrated on one lifting point and is not convenient to adjust. This makes the prefabricated panel easy to shake or tilt during the hoisting process. Under improper operation, this instability may cause the prefabricated panel to collide with the surrounding structure, causing damage or safety accidents, and the safety is generally average. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a lifting device for prefabricated platform panels, which solves the problem that the top of the steel wire rope of the existing lifting device for prefabricated platform panels is generally concentrated on one lifting point and is inconvenient to adjust, making the prefabricated panels prone to shaking or tilting during the lifting process and having poor safety.

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: a hoisting device for prefabricated platform panels, including a sling, a hoisting mechanism is provided at the top of the sling for hoisting the prefabricated platform panels, and the hoisting mechanism includes:

[0007] An adjusting component is arranged on the top surface of the sling for adjusting and fixing the position of the top hanging point of the sling, the adjusting component comprises a connecting ring fixedly installed on the top of the sling, a mounting block is fixedly installed on the top surface of the connecting ring, a fixing plate is movably installed on the top surface of the fixing block, a moving component is arranged inside the fixing plate for facilitating the adjustment of the position of the top hanging point of the sling, and a limiting component is arranged on the top surface of the fixing plate for fixing the position of the top hanging point of the sling;

[0008] The clamping assembly is arranged on the top surface of the fixing plate to facilitate fixing with the crane hook.

[0009] Preferably, the movable component includes four adjustment grooves opened on the bottom surface of the fixed plate, and the four adjustment grooves are each movably equipped with an adjustment plate, and a handle is fixedly installed at one end of the adjustment plate. The fixed component includes four limit bolts threadedly installed on the top surface of the fixed plate, and the top surface of the adjustment plate is provided with a plurality of limit grooves, and the top surface of the mounting block passes through the interior of the four adjustment grooves and is fixedly installed on the bottom surface of the adjustment plate.

[0010] Preferably, one end of the adjustment plate movably passes through the inside of the four adjustment slots and is fixedly installed on one side of the handle, and the bottom end threads of the four limit bolts pass through the top surface of the fixed plate and extend to the inside of several limit slots.

[0011] Preferably, the clamping assembly includes a mounting column fixedly mounted on the top surface of the fixed plate, a mounting ring fixedly mounted on the top of the mounting column, an arc-shaped plate movably mounted on the inner side of the mounting ring, a limiting plate fixedly mounted on the top surface of the arc-shaped plate, slots are provided on the left and right sides of the inner cavity of the mounting ring, a clamping plate is movably hinged inside the slot, a movable groove is provided on the front side of the clamping plate, connecting grooves are provided on the left and right sides of the arc-shaped plate, and a movable rod is fixedly mounted inside the connecting groove.

[0012] Preferably, the top end of the limit plate movably passes through the inner side of the mounting ring and extends to the top surface of the mounting ring, and the rear side of the movable groove passes through the front side of the clamping plate and extends to the rear side of the clamping plate.

[0013] Preferably, one end of the clamping plate movably passes through the interior of the connecting groove and extends to the inner side of the arc-shaped plate, and the front end of the movable rod movably passes through the rear side of the clamping plate and is fixedly installed on the front side of the connecting groove.

[0014] Preferably, the prefabricated platform plate includes a prefabricated panel 3 and a supporting member 5 for providing support for the prefabricated panel 3; the supporting member 5 is composed of a prefabricated platform wall 51, a composite longitudinal beam 52 and a prefabricated column 53, the composite longitudinal beam 52 is arranged on the top of the prefabricated column 53, and the two ends of the prefabricated panel 3 are respectively mounted on the prefabricated platform wall 51 and the composite longitudinal beam 52; the prefabricated panel 3, the prefabricated platform wall 51, the composite longitudinal beam 52 and the prefabricated column 53 are all movably installed with lifting ears 4 for use with the sling 1.

[0015] Beneficial Effects

[0016] The utility model provides a hoisting device for prefabricated platform plates. Compared with the prior art, it has the following beneficial effects:

[0017] (1) The lifting device for prefabricated platform slabs can adjust and fix the lifting point at the top of the sling cable through the provided adjustment plate and limit bolts. When in use, the user adjusts the prefabricated platform slab according to the size specifications. When adjusting, the handle is pulled to drive the adjustment plate to move through the mounting block when the connecting ring moves. Then the connecting ring will drive the top of the sling cable to move and change the lifting point. Then the limit bolt is rotated and inserted into the limit groove to fix the position of the adjustment plate. Then, subsequent lifting operations can be carried out to avoid shaking or tilting during the lifting process, thereby improving the stability during lifting and improving safety.

[0018] (2) The hoisting device for prefabricated platform panels is conveniently fixed to the crane hook by means of the provided clamping plate and the arc plate. When in use, the crane hook is passed through the interior of the mounting ring and then the crane hook is raised. Then the crane hook drives the arc plate to rise. At this time, the arc plate drives the bottom end of the clamping plate to rise through the movable rod to clamp the hook, thereby improving the stability of the connection between the mounting ring and the hook, improving the stability during hoisting, and having good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional appearance schematic diagram of the utility model;

[0020] Figure 2 For the utility model Figure 1 The enlarged appearance diagram at A in the middle;

[0021] Figure 3 This is a three-dimensional appearance diagram of the adjustment component of the utility model;

[0022] Figure 4 This is a schematic diagram of the cross-sectional three-dimensional appearance of the adjustment component of the utility model;

[0023] Figure 5 This is a three-dimensional appearance diagram of the clamping assembly of the utility model;

[0024] Figure 6It is a schematic diagram of the three-dimensional appearance of the cross section of the clamping assembly of the utility model;

[0025] Figure 7 It is a schematic diagram of the overall structure of the prefabricated platform plate and supporting components of the utility model.

[0026] In the figure: 1-sling, 2-lifting mechanism, 21-adjusting assembly, 211-fixed plate, 212-handle, 213-limiting bolt, 214-adjusting plate, 215-limiting groove, 216-mounting block, 217-adjusting groove, 218-connecting ring, 22-clamping assembly, 221-mounting column, 222-mounting ring, 223-movable groove, 224-clamping plate, 225-notch, 226-movable rod, 227-connecting groove, 228-arc plate, 229-limiting plate, 3-prefabricated platform plate body, 4-lifting ear, 5-supporting member, 51-prefabricated platform wall, 52-composite longitudinal beam, 53-prefabricated column. DETAILED DESCRIPTION

[0027] 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 of 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.

[0028] The utility model discloses a hoisting device for prefabricated platform plates, and provides the following two technical solutions:

[0029] Figure 1-Figure 4 The first embodiment is shown: a hoisting device for a prefabricated platform plate, comprising a sling 1, a hoisting mechanism 2 is provided at the top of the sling 1 for hoisting the prefabricated platform plate, and the hoisting mechanism 2 comprises:

[0030] An adjusting component 21 is arranged on the top surface of the sling 1 and is used to adjust and fix the position of the top hanging point of the sling 1. The adjusting component 21 includes a connecting ring 218 fixedly installed on the top of the sling 1. A mounting block 216 is fixedly installed on the top surface of the connecting ring 218. A fixing plate 211 is movably installed on the top surface of the mounting block 216. A moving component is arranged inside the fixing plate 211 to facilitate the adjustment of the position of the top hanging point of the sling 1. A limiting component is arranged on the top surface of the fixing plate 211 to fix the position of the top hanging point of the sling 1.

[0031] The clamping assembly 22 is arranged on the top surface of the fixed plate 211 for convenient fixing with the crane hook. The movable assembly includes four adjustment grooves 217 opened on the bottom surface of the fixed plate 211. The insides of the four adjustment grooves 217 are all movably installed with adjustment plates 214. A handle 212 is fixedly installed at one end of the adjustment plate 214. The fixing assembly includes four limit bolts 213 threadedly installed on the top surface of the fixed plate 211, and the four limit bolts 213 are evenly distributed on the top surface of the fixed plate 211 in a circumferential manner. The top surface of the adjustment plate 214 is provided with a plurality of limit grooves 215, and the plurality of limit grooves 215 are linearly evenly distributed on the top surface of the adjustment plate 214. The top surface of the mounting block 216 passes through the interior of the four adjustment grooves 217 and is fixedly mounted on the bottom surface of the adjustment plate 214. One end of the adjustment plate 214 movably passes through the interior of the four adjustment grooves 217 and is fixedly mounted on one side of the handle 212. Pulling the handle 212 can drive the adjustment plate 214 to move, and then the adjustment plate 214 will adjust the position of the connecting ring 218 through the mounting block 216. The bottom end threads of the four limiting bolts 213 pass through the top surface of the fixed disk 211 and extend to the interior of several limiting grooves 215. The position of the adjustment plate 214 can be fixed by rotating the four limiting bolts 213 and inserting them into the interior of several limiting grooves 215.

[0032] The lifting point at the top of the sling 1 can be adjusted and fixed by the provided adjusting plate 214 and the limiting bolt 213. During use, the user adjusts it according to the size specifications of the prefabricated platform plate. During adjustment, the handle 212 is pulled to drive the adjusting plate 214 to pass through the mounting block 216 and the connecting ring 218 moves. Then the connecting ring 218 will drive the top of the sling 1 to move and change the lifting point. Then the limiting bolt 213 is rotated and inserted into the limiting groove 215 to fix the position of the adjusting plate 214. Then the subsequent lifting operation can be carried out to avoid shaking or tilting during the lifting process, thereby improving the stability during lifting and having good safety.

[0033] Figure 1 and Figure 5-Figure 7A second embodiment is shown, which is mainly different from the first embodiment in that: the clamping assembly 22 includes a mounting column 221 fixedly mounted on the top surface of the fixing plate 211, a mounting ring 222 is fixedly mounted on the top of the mounting column 221, an arc plate 228 is movably mounted on the inner side of the mounting ring 222, a limit plate 229 is fixedly mounted on the top surface of the arc plate 228, notches 225 are provided on both sides of the inner cavity of the mounting ring 222, a clamping plate 224 is movably hinged inside the notch 225, a movable groove 223 is provided on the front side of the clamping plate 224, a connecting groove 227 is provided on both sides of the arc plate 228, and a movable rod 22 is fixedly mounted inside the connecting groove 227. 6. The top end of the limit plate 229 movably passes through the inner side of the mounting ring 222 and extends to the top surface of the mounting ring 222, and the limit plate 229 can limit the lifting and lowering trajectory of the arc plate 228. The rear side of the movable groove 223 passes through the front side of the clamping plate 224 and extends to the rear side of the clamping plate 224. One end of the clamping plate 224 movably passes through the interior of the connecting groove 227 and extends to the inner side of the arc plate 228. The front end of the movable rod 226 movably passes through the rear side of the clamping plate 224 and is fixedly installed on the front side of the connecting groove 227. When the crane hook drives the arc plate 228 to rise, the movable rod 226 can drive the bottom end of the clamping plate 224 to lift and clamp the hook, thereby improving the stability during lifting.

[0034] The provided clamping plate 224 and the arc plate 228 are convenient for fixing with the crane hook. When in use, the crane hook is passed through the inside of the mounting ring 222 and then the crane hook is raised. Then the crane hook will drive the arc plate 228 to rise. At this time, the arc plate 228 can drive the bottom end of the clamping plate 224 to lift up and clamp the hook through the movable rod 226, thereby improving the stability of the connection between the mounting ring 222 and the hook, and improving the stability during lifting, which has good practicality.

[0035] The prefabricated platform plate includes a prefabricated panel 3 and a supporting member 5 for providing support for the prefabricated panel 3; the supporting member 5 is composed of a prefabricated platform wall 51, a composite longitudinal beam 52 and a prefabricated column 53, the composite longitudinal beam 52 is arranged on the top of the prefabricated column 53, and the two ends of the prefabricated panel 3 are respectively mounted on the prefabricated platform wall 51 and the composite longitudinal beam 52; the prefabricated panel 3, the prefabricated platform wall 51, the composite longitudinal beam 52 and the prefabricated column 53 are all movably installed with a lifting lug 4 used in conjunction with the sling 1, and the movable connection between the lifting lug 4 and the prefabricated panel 3, the prefabricated platform wall 51, the composite longitudinal beam 52 and the prefabricated column 53 can be achieved by a threaded connection method, threaded holes are pre-arranged on the prefabricated panel 3, the prefabricated platform wall 51, the composite longitudinal beam 52 and the prefabricated column 53, and then the lifting lug adopts a threaded structure and is fixed by rotating into the threaded hole, thereby achieving a convenient lifting effect.

[0036] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0037] When hoisting the prefabricated platform panel body 3, the user installs the lifting ear 4 on the top surface of the prefabricated platform panel body 3, then connects the bottom end of the sling 1 with the lifting ear 4, and then connects the top end of the sling 1 with the connecting ring 218. Then the user adjusts it according to the size specifications of the prefabricated platform panel. When adjusting, pull the handle 212 to drive the adjusting plate 214 to pass through the mounting block 216 and the connecting ring 218 moves, and then the connecting ring 218 will drive the top end of the sling 1 to move and change the lifting point, and then rotate the limit bolt 213 to insert the inside of the limit groove 215 to adjust the position of the adjusting plate 214. The crane hook passes through the inside of the mounting ring 222 and then lifts the crane hook. Then the crane hook will drive the arc plate 228 to rise. At this time, the arc plate 228 can drive the bottom end of the clamping plate 224 to lift up and clamp the hook through the movable rod 226, and then the prefabricated platform panel body 3 can be driven to perform hoisting operations.

[0038] Similarly, the principles and steps for hoisting the prefabricated platform wall 51, the composite longitudinal beam 52 and the prefabricated column 53 are the same as the principles for hoisting the prefabricated platform slab body 3 described above.

[0039] 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.

[0040] Although embodiments of the present invention have been shown and described, it will be understood 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 the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lifting device, comprising a lifting rope (1), characterized in that: The top end of the sling (1) is provided with a hoisting mechanism (2) for hoisting the prefabricated platform slab, and the hoisting mechanism (2) comprises: An adjusting component (21) is arranged on the top surface of the sling (1) and is used to adjust and fix the position of the top hanging point of the sling (1). The adjusting component (21) comprises a connecting ring (218) fixedly installed on the top of the sling (1). A mounting block (216) is fixedly installed on the top surface of the connecting ring (218). A fixing plate (211) is movably installed on the top surface of the fixing block (216). A moving component is arranged inside the fixing plate (211) to facilitate adjusting the position of the top hanging point of the sling (1). A limiting component is arranged on the top surface of the fixing plate (211) and is used to fix the position of the top hanging point of the sling (1). The clamping assembly (22) is arranged on the top surface of the fixing plate (211) to facilitate fixing with the crane hook.

2. A lifting device according to claim 1, characterized in that: The movable assembly comprises four adjustment slots (217) provided on the bottom surface of the fixed plate (211), an adjustment plate (214) is movably installed inside each of the four adjustment slots (217), a handle (212) is fixedly installed at one end of the adjustment plate (214), the limiting assembly comprises four limiting bolts (213) threadedly installed on the top surface of the fixed plate (211), a plurality of limiting slots (215) are provided on the top surface of the adjustment plate (214), and the top surface of the mounting block (216) passes through the inside of the four adjustment slots (217) and is fixedly installed on the bottom surface of the adjustment plate (214).

3. A lifting device according to claim 2, characterized in that: One end of the adjustment plate (214) movably passes through the interior of the four adjustment slots (217) and is fixedly mounted on one side of the handle (212); the bottom end threads of the four limiting bolts (213) pass through the top surface of the fixing plate (211) and extend to the interior of the plurality of limiting slots (215).

4. A lifting device according to claim 1, characterized in that: The clamping assembly (22) comprises a mounting column (221) fixedly mounted on the top surface of the fixing plate (211); a mounting ring (222) is fixedly mounted on the top of the mounting column (221); an arc plate (228) is movably mounted on the inner side of the mounting ring (222); a limiting plate (229) is fixedly mounted on the top surface of the arc plate (228); notches (225) are provided on the left and right sides of the inner cavity of the mounting ring (222); a clamping plate (224) is movably hinged inside the notch (225); a movable groove (223) is provided on the front side of the clamping plate (224); connecting grooves (227) are provided on the left and right sides of the arc plate (228); a movable rod (226) is fixedly mounted inside the connecting groove (227).

5. A lifting device according to claim 4, characterized in that: The top end of the limiting plate (229) movably penetrates the inner side of the mounting ring (222) and extends to the top surface of the mounting ring (222), and the rear side of the movable groove (223) penetrates the front side of the clamping plate (224) and extends to the rear side of the clamping plate (224).

6. A lifting device according to claim 4, characterized in that: One end of the clamping plate (224) movably passes through the interior of the connecting groove (227) and extends to the inner side of the arc-shaped plate (228), and the front end of the movable rod (226) movably passes through the rear side of the clamping plate (224) and is fixedly mounted on the front side of the connecting groove (227).

7. A prefabricated platform slab, comprising the sling (1) according to claim 1, characterized in that: The bottom end of the sling (1) is fixedly mounted with a lifting ear (4), the bottom end of the lifting ear (4) is movably mounted with a prefabricated platform board body (3), and the bottom end thread of the lifting ear (4) penetrates the top surface of the prefabricated platform board body (3) and extends to the interior of the prefabricated platform board body (3).

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