Large workpiece hoisting and stacking device

By combining the gantry frame, drive frame, and balance bar structure, the problems of cumbersome operation and low precision in adjusting the direction of slab concrete workpieces in traditional equipment are solved, thereby improving stability and safety and reducing production costs.

CN223722574UActive Publication Date: 2025-12-26CHINA RAILWAY NO 9 GRP NO 3 CONSTR CO LTD
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Patent Information

Application Number
CN202522516272.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-27
Publication Date
2025-12-26
Estimated Expiration
2035-11-27

AI Technical Summary

Technical Problem

Traditional equipment is cumbersome and has low precision when adjusting the orientation of slab-shaped concrete workpieces, which can easily lead to workpiece tilting and damage, posing safety hazards.

Method used

The structure employs a gantry frame, drive frame, and balance bar, combined with a rotary drive mechanism and stop rings, to ensure the stability and precise adjustment of the workpiece lifting fixture.

Benefits of technology

It improves the stability and safety of the palletizing process, avoids workpiece shaking and displacement, improves adjustment accuracy, and reduces production costs and maintenance difficulty.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of workpiece stacking equipment, and particularly relates to a large workpiece hoisting and stacking device which is characterized in that a portal frame is arranged between a stacking station and a workpiece conveying channel in a spanning manner; the driving frame is slidably assembled along a main beam of the portal frame, a driving rod is arranged on the driving frame, a rotary driving mechanism is arranged at the bottom of the driving rod, and the rotary driving mechanism is correspondingly connected with the workpiece hoisting clamp; the two balance rods are arranged on the two sides of the driving frame and are symmetrically distributed relative to the driving rod, a stop ring corresponding to the rotary driving mechanism is arranged below the two balance rods, and the lower surface of the stop ring is a flat surface corresponding to a workpiece hoisting clamp. The device is simple in overall structure, a complex circuit system is not needed, the production cost and the maintenance difficulty are reduced, the balance rods are symmetrically arranged on the two sides of the driving frame, the stop ring is arranged below the balance rods, and when the workpiece hoisting clamp hoists a workpiece and adjusts the direction, the flat face of the stop ring can make close contact with the upper surface of the clamp, and therefore the workpiece hoisting efficiency is improved. And stable support is provided.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of workpiece stacking equipment, and particularly relates to a large workpiece hoisting and stacking device. BACKGROUND

[0002] Under the background of rapid development of the fabricated building industry, the production scale of prefabricated concrete components continues to expand. Plate-shaped concrete generally has the characteristics of large volume and heavy weight. In the production process of plate-shaped concrete workpieces, the placing direction of the plate-shaped concrete workpiece stacking often needs to be adjusted according to the size of the storage rack or the specifications of the vehicle compartment. The traditional equipment needs to be adjusted by rotating the crane boom combined with manually pulling the rope, which is not only complicated to operate and has low adjustment accuracy, but also prone to tilting of the workpiece due to uneven stress, causing damage problems such as corner knocking and surface cracking of the plate-shaped concrete workpiece, which poses a great safety hazard.

[0003] Therefore, it is necessary to provide an improved technical solution for the above-mentioned deficiencies of the prior art. UTILITY MODEL CONTENT

[0004] The utility model discloses a large workpiece hoisting and stacking device.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A large workpiece hoisting and stacking device comprises:

[0007] A portal frame is arranged between the stacking station and the workpiece transportation channel.

[0008] A drive frame is slidably assembled along the main beam of the portal frame. A drive rod is arranged on the drive frame. A rotary drive mechanism is arranged at the bottom of the drive rod. The rotary drive mechanism is connected to the workpiece hoisting clamp.

[0009] Two balance rods are arranged on both sides of the drive frame and symmetrically distributed about the drive rod. A stop ring corresponding to the rotary drive mechanism is arranged below the two balance rods. The lower surface of the stop ring is a flat surface corresponding to the workpiece hoisting clamp.

[0010] Preferably, the main beam of the portal frame comprises two square columns arranged in parallel. A sliding rail is arranged on the upper surface of each of the two square columns. The drive frame is slidably assembled with the two sliding rails through two sliding blocks.

[0011] Preferably, an installation station corresponding to the drive rod is arranged in the middle of the drive frame. An installation station corresponding to the balance rod is arranged on each side of the drive frame.

[0012] Preferably, the rotary drive mechanism comprises a main plate and a drive motor; the main plate is fixedly connected with the workpiece hoisting clamp through a force adding rod, the drive rod is rotatably connected with the main plate, a driven gear is arranged on the drive rod, and the drive motor is correspondingly assembled on the main plate and meshes with the driven gear through a drive gear.

[0013] Preferably, the force adding rod is a square steel which is fixed on the upper surface of the main body of the workpiece hoisting clamp in a detachable manner through bolts.

[0014] The inner diameter of the stop ring is greater than the diameter of the corresponding circumscribed circle of the force adding rod.

[0015] Preferably, one of the square columns is provided with a rack extending along the length direction thereof, and the drive frame is provided with a traveling motor which meshes with the rack through a driving gear.

[0016] Beneficial effects: the overall structure of the device is simple, without complex circuit system, thereby reducing the production cost and maintenance difficulty; the balance rods are symmetrically arranged on both sides of the drive frame, and the stop ring is arranged below the balance rods; during the hoisting and direction adjusting of the workpiece hoisting clamp, the flat surface of the stop ring can be in close contact with the upper surface of the clamp, thereby providing stable support and ensuring the balance of the clamp, avoiding the shaking and deviation of the workpiece, and improving the stacking accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings accompanying the specification provide further understanding of the present application. The schematic embodiments of the present application and the description thereof are used to explain the present application, and do not constitute an improper limitation on the present application. Among them:

[0018] Fig. 1 The figure is a structure diagram of the stacking device in the specific embodiment provided by the present application;

[0019] Fig. 2 The figure is a structure diagram of the rotary drive mechanism in the specific embodiment provided by the present application;

[0020] Fig. 3 The figure is an assembly schematic view of the workpiece hoisting clamp in the specific embodiment provided by the present application.

[0021] In the figure: 1, gantry frame; 2, slide rail; 3, drive frame; 4, balance rod; 5, drive rod; 6, traveling motor; 7, stop ring; 8, force adding rod; 9, main plate; 10, drive motor; 11, drive gear; 12, driven gear; 13, workpiece hoisting clamp. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art belong to the protection scope of the present application.

[0023] In the description of the present application, the orientations or positional relationships indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom" and the like are the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application, and are not required to construct and operate the present application in a particular orientation, therefore, cannot be understood as a limitation on the present application. The terms "connected", "connected" used in the present application should be understood broadly, for example, can be fixed connection, can also be detachable connection; can be directly connected, can also be indirectly connected through intermediate components, for those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0024] The present application will be described in detail below with reference to the drawings and in combination with the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0025] As shown in Figs. 1-3 A large workpiece hoisting and stacking device, comprising a portal frame 1, a drive frame 3 and a balance bar 4, the portal frame 1 is arranged across between a stacking station and a workpiece transportation channel, the stacking station and the workpiece transportation channel are close to each other, the portal frame 1 is used as a support structure of the whole device, the span ensures that the complete transfer path of the workpiece from production off-line to stacking storage can be covered, the drive frame 3 is slidingly assembled along the main beam of the portal frame 1, a drive rod 5 is arranged on the drive frame 3, a rotary drive mechanism is arranged at the bottom of the drive rod 5, the rotary drive mechanism is connected with a workpiece hoisting clamp 13 correspondingly, the workpiece hoisting clamp 13 is adjusted according to actual requirements, but the main frame is a square frame or the upper surface thereof should be located on the same horizontal plane. The rotary drive mechanism can realize the rotary motion of the workpiece hoisting clamp 13, thereby meeting the requirement of angle adjustment of the workpiece.

[0026] Two balance bars 4 are arranged on both sides of the driving frame 3 and symmetrically distributed about the driving bar 5. A stop ring 7 corresponding to the rotary driving mechanism is arranged below the two balance bars 4, which ensures that the stop ring 7 can be smoothly supported on the upper surface of the workpiece lifting clamp 13 when needed. The lower surface of the stop ring 7 is a flat surface corresponding to the workpiece lifting clamp 13. Stable contact is formed between the flat surface of the lower surface of the stop ring 7 and the upper surface of the workpiece lifting clamp 13, so that the angle adjustment of the stop ring 7 after the stop ring 7 touches the workpiece lifting clamp 13 is not affected. When the workpiece lifting clamp 13 needs to be adjusted in direction, effective support is provided, which significantly improves the stability and safety of the stacking process and can effectively prevent the workpiece from shaking during direction adjustment.

[0027] In the embodiment, the balance bar 4 and the driving bar 5 are both hydraulic cylinders.

[0028] In an optional embodiment, the main beam of the gantry 1 includes two square columns arranged in parallel, the two ends of the two square columns are fixed on the vertical columns, and a sliding rail 2 is arranged on the upper surface of each of the two square columns. The sliding rail 2 extends along the length direction of the corresponding square column. The driving frame 3 is slidably assembled with the two sliding rails 2, so that the driving frame 3 can stably displace along the gantry 1 and correspondingly span the two square columns. The driving frame 3 is made of square steel by welding. A mounting station corresponding to the driving bar 5 is arranged at the middle part of the driving frame 3. The spacing between the two square columns is adapted to the driving bar 5. A mounting station corresponding to the balance bar 4 is arranged on each side of the driving frame 3.

[0029] One of the square columns is provided with a rack (not shown in the figure) extending along the length direction thereof. A traveling motor 6 is arranged on the driving frame 3 and engages the rack through a driving gear. The traveling of the driving frame 3 is driven by the traveling motor 6. The driving gear of the traveling motor 6 engages the rack on the square column, so as to realize the accurate positioning and movement of the driving frame 3 along the main beam of the gantry 1.

[0030] In an optional embodiment, the rotary driving mechanism includes a main plate 9 and a driving motor 10. The main plate 9 is a square steel plate. The main plate 9 is fixedly connected with the workpiece lifting clamp 13 through a force adding rod 8. When it is needed to adjust the direction of the workpiece, the rotary driving mechanism is started to rotate the workpiece lifting clamp 13 through gear transmission.

[0031] The driving bar 5 is rotationally connected with the main plate 9. A driven gear 12 is coaxially fixed on the driving bar 5. The driving motor 10 is correspondingly arranged on the main plate 9 and engages the driven gear 12 through a driving gear 11. The gear transmission structure ensures the accuracy and reliability of the direction adjustment.

[0032] The force adding rod 8 is a square steel, and is used as a component of the workpiece hoisting clamp 13, and is detachably fixed on the upper surface of the main body of the workpiece hoisting clamp 13 through bolts, so that different workpiece hoisting clamps 13 can be replaced according to actual requirements, and the modular design is adopted, so that the workpiece hoisting clamp 13 does not need to be excessively modified, and the inner diameter of the stop ring 7 is greater than the diameter of the corresponding circumscribed circle of the force adding rod 8, so as to ensure that the stop ring 7 can be smoothly supported on the upper surface of the workpiece hoisting clamp 13 when needed.

[0033] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application is within the protection scope of the pending claims of the present application.

Claims

1. A large workpiece hoisting and stacking device, characterized by, The utility model relates to a kind of automatic palletizing device, including: Gantry, the gantry is set between palletizing station and workpiece transport channel; Driving frame, the driving frame is slidably assembled along the main beam of the gantry, driving rod is provided on driving frame, the bottom of the driving rod is provided with rotary drive mechanism, the rotary drive mechanism is connected with workpiece hoisting clamp correspondingly; Two balance bars, two the balance bars are arranged on the two sides of the driving frame, and are symmetrically distributed about the driving rod, the stop ring corresponding to the rotary drive mechanism is provided below two The balance bar, the lower surface of the stop ring is the flat surface corresponding to workpiece hoisting clamp.

2. The large workpiece hoist and stacker apparatus of claim 1, wherein, The main beam of the gantry includes two square columns distributed in parallel, sliding rail is provided on the upper surface of two The square column, the driving frame is slidably assembled two The sliding rail by two sliding blocks respectively.

3. The large workpiece hoist and stacker apparatus of claim 2, wherein, Mounting station corresponding to driving rod is provided in the middle of the driving frame, mounting station corresponding to the balance bar is respectively provided on the two sides of the driving frame.

4. The large workpiece hoist and stacker apparatus of claim 1, wherein, The rotary drive mechanism includes main plate and drive motor;The main plate is fixedly connected with workpiece hoisting clamp by force bar, the driving rod is rotatably connected with the main plate, driving gear is provided on the driving rod, the drive motor is correspondingly assembled on the main plate, and driving gear is correspondingly engaged with the driving gear by driving gear.

5. The large workpiece hoist and stacker apparatus of claim 4, wherein, The force bar is square steel, and is detachably fixed on the upper surface of the main body of workpiece hoisting clamp by bolt; The inner diameter of the stop ring is greater than the diameter of the circumscribed circle corresponding to the force bar.

6. The large workpiece hoist and stacker apparatus of claim 2, wherein, One of the square columns is provided with a rack extending along the length direction thereof, and the driving frame is provided with a traveling motor engaged with the rack by a driving gear.