Vibrating rod limiting device

By designing a vibrator limiting device, the problems of concrete appearance quality and formwork damage caused by the vibrator hitting the bottom were solved, thus achieving the effects of increasing the service life of the formwork and reducing capital investment.

CN223707142UActive Publication Date: 2025-12-23CHINA STATE CONSTR HARBOR CONSTR
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Patent Information

Application Number
CN202520214566.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-11
Publication Date
2025-12-23
Estimated Expiration
2035-02-11

AI Technical Summary

Technical Problem

During concrete construction, contact between the vibrator and the bottom formwork causes white bumps to appear on the concrete surface, affecting the appearance quality, damaging the formwork, and reducing its service life.

Method used

Design a vibratory rod limiting device, including an upper plate, a lower plate, a vibratory rod connecting assembly, an upper and lower plate connecting assembly, and an upper and lower plate damping assembly. The vibratory rod is fixed by a fixing bayonet block and a manganese steel spring protective cylinder to prevent the vibratory rod from touching the bottom, reduce operator fatigue, and eliminate vibration through the damping assembly.

Benefits of technology

It improves the appearance quality of concrete, prevents damage to formwork, extends the service life of formwork, and reduces the project's capital investment in formwork.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a vibrating rod limiting device which comprises an upper plate, a lower plate, a vibrating rod connecting assembly, an upper plate and lower plate connecting assembly and an upper plate and lower plate damping assembly. Through holes are formed in the middle of the upper plate and the middle of the lower plate, and the two through holes are concentric; the upper plate and the lower plate are connected through the upper and lower plate connecting assembly, and the upper and lower plate damping assembly is arranged between the upper plate and the lower plate. The vibrating rod connecting assembly is arranged on the upper end face of the upper plate. The vibrating rod penetrates through the through holes of the upper plate and the lower plate and is fixed through the vibrating rod connecting assembly. The vibrating rod connecting assembly comprises two fixing bayonet blocks, one fixing bayonet block is connected to the upper end face of the upper plate in a welded mode and located at the edge of the through hole, the vibrating rod limiting device aims at overcoming the existing defects, the service life of a template is prolonged, the structure is simple, the cost is low, and the working efficiency is improved. And the investment of the project on template funds is reduced.
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Description

Technical Field

[0001] This utility model relates to a vibratory rod limiting device. Background Technology

[0002] A vibrator is a tool used in concrete construction, mainly for vibrating concrete to make it denser.

[0003] The vibrator is driven by a motor or other power device to rotate an internal eccentric block at high speed. The rotation of the eccentric block generates centrifugal force, which causes the vibrator body to vibrate at high frequency. During vibration, the vibrator is inserted into the concrete, and the vibrational energy is transferred to the concrete, causing the particles in the concrete to move closer together under the vibration, thereby expelling air and excess moisture from the concrete and achieving a compaction effect.

[0004] With the continuous improvement of the appearance and solid quality of concrete during construction site construction, there are instances where the vibrator comes into contact with the bottom formwork during the concrete pouring and vibration process. This results in a large number of white bumps on the concrete surface, causing poor concrete appearance quality and varying degrees of damage to the corresponding formwork, affecting the secondary use of the formwork.

[0005] Therefore, a vibratory rod limiting device is proposed to address the above problems. Utility Model Content

[0006] The purpose of this utility model is to overcome the existing defects and provide a vibratory rod limiting device to improve the service life of the formwork and reduce the project's investment in formwork funds.

[0007] The technical solution to achieve the above objective is: a vibratory rod limiting device, comprising an upper plate, a lower plate, a vibratory rod connecting assembly, an upper and lower plate connecting assembly, and an upper and lower plate shock absorption assembly;

[0008] Both the upper plate and the lower plate have through holes in their middle sections, and the two through holes are concentric. The upper plate and the lower plate are connected by the upper and lower plate connecting assembly, and the upper and lower plate shock absorption assembly is disposed between the upper plate and the lower plate. The vibrating rod connecting assembly is disposed on the upper end face of the upper plate. The vibrating rod passes through the through holes of the upper plate and the lower plate, and the vibrating rod connecting assembly fixes the vibrating rod.

[0009] Preferably, the vibratory rod connection assembly includes two fixing bayonet blocks, one of which is welded to the upper end face of the upper plate and located at the edge of the through hole, and the other fixing bayonet block is connected to the welded fixing bayonet block by two first bolts.

[0010] Preferably, the upper and lower plate connecting assembly includes four second bolts, which are respectively connected to the four corners of the lower plate, and the upper ends of the four second bolts are respectively connected to the four corners of the lower plate.

[0011] Preferably, the upper and lower plate shock absorption assembly includes four spring protection cylinders and four manganese steel springs; the four spring protection cylinders are connected to the lower end face of the upper plate, and the four manganese steel springs are respectively connected inside the four spring protection cylinders, with the lower ends of the four manganese steel springs connected to the upper end face of the lower plate.

[0012] Preferably, the upper plate is a steel plate.

[0013] Preferably, the lower plate is a nylon plate.

[0014] The beneficial effects of this utility model are as follows: This vibratory rod limiting device connects the vibratory rod through a fixed locking block. The installation position of the vibratory rod limiting device can be adjusted according to the structural thickness, preventing the vibratory rod from hitting the bottom and damaging the formwork. It can reduce the fatigue of workers holding the vibratory rod for extended periods, prevent the vibratory rod from hitting the bottom and damaging the formwork, thereby improving the surface quality of concrete and the turnover rate of formwork. It also extends the service life of the formwork and reduces the project's capital investment in formwork. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the vibratory rod limiting device of this utility model.

[0016] In the diagram: 1. Upper plate; 2. Lower plate; 3. Through hole; 4. Fixing bayonet block; 5. First bolt; 6. Second bolt; 7. Spring protection cylinder; 8. Manganese steel spring. Detailed Implementation

[0017] The technical solution of this utility model will now be clearly and completely described in conjunction with the accompanying drawings. In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0018] The present invention will be further described below with reference to the accompanying drawings.

[0019] like Figure 1As shown, a vibratory rod limiting device includes an upper plate 1, a lower plate 2, a vibratory rod connecting assembly, an upper and lower plate connecting assembly, and an upper and lower plate shock absorption assembly. Both the upper plate 1 and the lower plate 2 have through holes 3 in their middle portions, and the two through holes 3 are concentric. The upper plate 1 and the lower plate 2 are connected by the upper and lower plate connecting assembly, and the upper and lower plate shock absorption assembly is disposed between the upper plate 1 and the lower plate 2. The vibratory rod connecting assembly is disposed on the upper end face of the upper plate 1. The vibratory rod passes through the through holes 3 of the upper plate 1 and the lower plate 2, and the vibratory rod connecting assembly fixes the vibratory rod.

[0020] Specifically, the vibratory rod connection assembly includes two fixing bayonet blocks 4. One fixing bayonet block 4 is welded to the upper end face of the upper plate 1 and located at the edge of the through hole 3. The other fixing bayonet block 4 is connected to the welded fixing bayonet block 4 by two first bolts 5.

[0021] Specifically, the upper and lower plate connecting assembly includes four second bolts 6, which are respectively connected to the four corners of the lower plate 2, and the upper ends of the four second bolts 6 are respectively connected to the four corners of the lower plate 2.

[0022] Specifically, the upper and lower plate shock absorption assembly includes four spring protection cylinders 7 and four manganese steel springs 8; the four spring protection cylinders 7 are connected to the lower end face of the upper plate 1, and the four spring protection cylinders 7 are respectively connected to the four manganese steel springs 8, and the lower ends of the four manganese steel springs 8 are connected to the upper end face of the lower plate 2.

[0023] Specifically, the upper plate 1 is a steel plate, a 16*16cm square steel plate with a thickness of 5mm. The lower plate 2 is a nylon plate, a 16*16cm square nylon plate with a thickness of 2cm. Both the nylon plate and the steel plate have a 7cm diameter hole in the center for easy insertion of the vibrator, while the upper steel plate has a 5cm diameter hole for easier fixing of the vibrator. The upper and lower holes are concentric circles to ensure the vibrator is perpendicular. Four manganese steel springs with a diameter of 3*16*100mm are evenly arranged in the center of the vibrator limiting device to counteract the vibration generated during operation and prevent the clips from loosening due to prolonged use.

[0024] Specifically, the vibrator is inserted through the through hole 3 in the upper plate 1 and the lower plate 2, and the lower end is adjusted to a suitable extension length. Then, the first bolt 5 is tightened, causing the two fixing blocks 4 to close and clamp the vibrator. This reduces fatigue for workers holding the vibrator for extended periods and prevents damage to the formwork caused by errors in the vibrator's descent length, thus improving the surface quality of the concrete and protecting the formwork. Four manganese steel springs 8 are used to counteract the vibration generated by the vibrator during operation and prevent the clamps from loosening due to prolonged use.

[0025] This vibrator limiting device connects the vibrator via a fixed locking block. The installation position of the limiting device can be adjusted according to the structural thickness to prevent the vibrator from bottoming out and damaging the formwork. It reduces fatigue for workers holding the vibrator for extended periods, prevents damage to the formwork, and thus improves concrete surface quality and formwork turnover rate. This extends the lifespan of the formwork and reduces the project's financial investment in formwork.

[0026] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A vibratory rod limiting device, characterized in that, Includes an upper plate (1), a lower plate (2), a vibrating rod connecting assembly, an upper and lower plate connecting assembly, and an upper and lower plate damping assembly; Both the upper plate (1) and the lower plate (2) have through holes (3) in the middle, and the two through holes (3) are concentric; the upper plate (1) and the lower plate (2) are connected by the upper and lower plate connecting assembly, and the upper and lower plate shock absorption assembly is disposed between the upper plate (1) and the lower plate (2); the vibrating rod connecting assembly is disposed on the upper end face of the upper plate (1); the vibrating rod passes through the through holes (3) of the upper plate (1) and the lower plate (2), and the vibrating rod connecting assembly fixes the vibrating rod.

2. The vibratory rod limiting device according to claim 1, characterized in that, The vibrating rod connection assembly includes two fixing bayonet blocks (4), one of which is welded to the upper end face of the upper plate (1) and located at the edge of the through hole (3), and the other fixing bayonet block (4) is connected to the welded fixing bayonet block (4) by two first bolts (5).

3. The vibratory rod limiting device according to claim 1, characterized in that, The upper and lower plate connecting assembly includes four second bolts (6), which are respectively connected to the four corners of the lower plate (2), and the upper ends of the four second bolts (6) are respectively connected to the four corners of the lower plate (2).

4. The vibratory rod limiting device according to claim 1, characterized in that, The upper and lower plate shock absorption assembly includes four spring protection cylinders (7) and four manganese steel springs (8); the four spring protection cylinders (7) are connected to the lower end face of the upper plate (1), and the four manganese steel springs (8) are respectively connected inside the four spring protection cylinders (7), and the lower ends of the four manganese steel springs (8) are connected to the upper end face of the lower plate (2).

5. The vibratory rod limiting device according to claim 1, characterized in that, The upper plate (1) is a steel plate.

6. The vibratory rod limiting device according to claim 1, characterized in that, The lower plate (2) is a nylon plate.