Positioning and clamping device for splicing cement precast slabs

By designing a positioning and clamping device for splicing precast concrete slabs, the automatic positioning and clamping of precast slabs is achieved by utilizing the friction between the guide groove and the clamping plate. This solves the problems of manual support and fine-tuning in existing technologies, and improves construction efficiency and installation accuracy.

CN224106931UActive Publication Date: 2026-04-10ZHANGZHOU WOFA BUILDING MATERIALS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHANGZHOU WOFA BUILDING MATERIALS CO LTD
Filing Date
2025-05-06
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

In existing technologies, the installation of precast concrete slabs relies on manual support and fine-tuning, which cannot achieve effective clamping and fixing, resulting in low construction efficiency and low installation accuracy.

Method used

A positioning and clamping device for splicing precast concrete slabs was designed, including a concrete column, a guide groove, a shell, a clamping plate, and an elastic component. The guide groove guides the precast slabs to be installed vertically, and the friction between the shell and the clamping plate is used to achieve clamping and fixing, reducing manual intervention.

Benefits of technology

It enables automatic positioning and clamping of precast concrete slabs, improving installation accuracy and construction efficiency, reducing manual intervention, and ensuring the structural stability and neatness of the wall.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224106931U_ABST
    Figure CN224106931U_ABST
Patent Text Reader

Abstract

The utility model provides a positioning and clamping device for splicing cement precast slabs, which relates to the technical field of cement precast slabs and comprises a concrete upright post, the concrete upright post comprises a post body and guide grooves, and the guide grooves are arranged on two sides of the post body. According to the positioning and clamping device for splicing the cement precast slabs, the precast slabs can be positioned in the horizontal direction through the shell, a rotating rod and a second rotating seat can be driven by elastic force of a spring to abut against a clamping plate, the clamping plate drives a friction block to abut against the precast slabs, and the precast slabs are located at the clamping position at the moment; the opposite force of the prefabricated slab enables the rotation angle of the friction block and the clamping plate to change, then the pressure for clamping the prefabricated slab is increased, the prefabricated slab is fixed in the longitudinal direction through the friction block, the prefabricated slab can be guided in the installation process through the guide shell, manual intervention is reduced, and the installation efficiency is improved. And meanwhile, the prefabricated slab can be clamped and fixed.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a positioning and clamping device, in particular to a positioning and clamping device for cement precast slab splicing belongs to cement precast slab technical field. BACKGROUND

[0002] Cement precast slab is widely used in the construction of the fence because of its high strength, convenient installation and short construction period. The fence is usually spliced and installed vertically by multiple cement precast slabs, and is transported and fixed by mechanical equipment.

[0003] In the construction process, in order to ensure the structural stability and joint neatness of the fence, a clamping device is needed to effectively position and clamp the cement precast slab. The positioning device can provide auxiliary support and accurate guidance during installation, improve construction efficiency and installation accuracy, and is an important auxiliary equipment in the installation process of the fence precast slab

[0004] In the prior art, the positioning and installation of cement precast slab is usually realized by setting a concrete column with a guide groove. The guide groove is usually set on both sides of the column to embed the edge of the precast slab, realize the guidance and limiting in the vertical direction, and help to improve the overall flatness and stability of the fence installation.

[0005] However, the positioning by the concrete column with the guide groove in the prior art can realize the basic guidance and limiting function, but the size of the guide groove of the concrete column is small, and the precast slab needs to be supported and adjusted by manual intervention during installation, and cannot be clamped and fixed. Therefore, a positioning and clamping device for cement precast slab splicing is proposed. CONTENT OF THE UTILITY MODEL

[0006] The utility model provides a positioning and clamping device for cement precast slab splicing, which can guide the precast slab during installation, reduce manual intervention, and fix the precast slab.

[0007] The utility model is implemented by the following technical scheme: a positioning and clamping device for cement precast slab splicing, including a concrete column, the concrete column includes a column body and a guide groove, the guide groove is opened on both sides of the column body, the column body provides support and installation of the basis of the precast slab, the guide groove is set on both sides of the column body, used for guiding the correct positioning of the precast slab, and ensuring that the precast slab remains vertical during installation.

[0008] The fixing component is arranged on the concrete column, and comprises a shell, a clamping plate and a guide shell, the shell and the guide shell are arranged on the concrete column, the guide shell is fixed on the shell and the column, the guide shell is used for guiding the prefabricated plate, the upper end of the guide shell is large, and the lower end is small, and when the prefabricated plate is installed, the prefabricated plate can be conveniently aligned with the guide groove.

[0009] The shell is fixed in the guide groove, the clamping plate is rotationally arranged in the shell, and a friction block is arranged on the clamping plate, so that the friction between the clamping plate and the prefabricated plate is increased.

[0010] The shell is fixed with a first rotating seat, the clamping plate is fixed with a second rotating seat, and an elastic component is arranged between the first rotating seat and the second rotating seat.

[0011] The elastic component comprises a rotating cylinder and a rotating rod, the rotating cylinder is rotationally connected to the first rotating seat, the rotating rod is rotationally connected to the second rotating seat, the rotating rod is slidingly connected in the rotating cylinder, a spring is arranged between the rotating cylinder and the rotating rod, and when the rotating rod moves in the rotating cylinder, the spring in the rotating cylinder is deformed.

[0012] The adjusting component is arranged on the fixing component, the adjusting component comprises an adjusting groove, the adjusting groove is formed in the clamping plate, a moving rod is slidingly connected in the adjusting groove, an L-shaped plate is fixed on the moving rod, a threaded rod is rotationally connected to the upper end of the moving rod, the threaded rod is screwedly connected to the top of the shell, the threaded rod penetrates through the shell and extends upwards above the shell, and a rotating rod is fixed to the upper end of the threaded rod.

[0013] Specifically, when the prefabricated plate needs to be maintained or replaced, the rotating rod is driven to rotate by the rotating rod, the rotating of the threaded rod drives the moving rod to slide in the adjusting groove, and the moving rod also drives the L-shaped plate to push the clamping plate, so that the clamping plate pushes the rotating rod through the second rotating seat, the rotating rod extrudes the spring, at this time, the friction block no longer abuts against the prefabricated plate, and the prefabricated plate can be disassembled by the hoisting equipment.

[0014] The utility model provides a kind of positioning clamping device for cement prefabricated plate splicing, it has the beneficial effects as follows:

[0015] 1. The positioning and clamping device for cement prefabricated slab splicing can position the prefabricated slab in the horizontal direction through the shell, and the elastic force of the spring can drive the rotating rod and the second rotating seat against the clamping plate, so that the clamping plate drives the friction block against the prefabricated slab, at this time, the prefabricated slab is in a clamped position, when the prefabricated slab is subjected to external force and attempts to move upward, the reverse force of the prefabricated slab will change the rotating angle of the friction block and the clamping plate, thereby increasing the pressure for clamping the prefabricated slab, and then the prefabricated slab is fixed in the longitudinal direction through the friction block, the device can guide the prefabricated slab during installation through the guide shell, reduce manual intervention, and also can clamp and fix the prefabricated slab. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0017] Figure 2 It is a three-dimensional structure schematic view of the utility model; Figure 1 It is an enlarged schematic view of structure A;

[0018] Figure 3 It is a sectional view of the internal structure of the column of the utility model;

[0019] Figure 4 It is a sectional view of the internal structure of the shell of the utility model.

[0020] BRIEF DESCRIPTION OF DRAWINGS

[0021] 1. Concrete column; 101, column; 102, guide groove;

[0022] 2. Fixed component; 201, shell; 202, clamping plate; 203, guide shell; 204, friction block; 205, first rotating seat; 206, second rotating seat; 207, rotating cylinder; 208, rotating rod;

[0023] 3. Adjusting component; 301, adjusting groove; 302, moving rod; 303, L-shaped plate; 304, threaded rod; 305, rotating rod;

[0024] 4. Prefabricated slab. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. 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 without creative labor fall within the protection scope of the present application.

[0026] Please refer to Figures 1-4The utility model provides an implementation scheme as follows: A positioning and clamping device for cement prefabricated slab splicing, including concrete stand column 1, concrete stand column 1 includes cylinder 101 and guide groove 102, guide groove 102 is set up in the both sides of cylinder 101, cylinder 101 provides support and installs the basis of prefabricated slab 4, guide groove 102 is arranged at the both sides of cylinder 101, is used for guiding the correct positioning of prefabricated slab 4, ensures that prefabricated slab 4 keeps vertical during installation process.

[0027] Please refer to Figure 1 、 Figure 3 and Figure 4 , also include fixed component 2, fixed component 2 sets up on concrete stand column 1, fixed component 2 includes shell 201, clamping plate 202 and guide shell 203, shell 201 and guide shell 203 set up on concrete stand column 1.

[0028] Guide shell 203 is fixed on shell 201 and cylinder 101, guide shell 203 is used for guiding prefabricated slab 4, and the upper end of guide shell 203 is large, and the lower end is small, when prefabricated slab 4 is installed, it is convenient to align prefabricated slab 4 with guide groove 102.

[0029] Shell 201 is fixed in guide groove 102, clamping plate 202 is rotatably arranged in shell 201, clamping plate 202 is rotatably connected in shell 201 by pivot, and friction block 204 is arranged on clamping plate 202, and friction block 204 can increase the friction between clamping plate 202 and prefabricated slab 4.

[0030] First rotating seat 205 is fixed on shell 201, second rotating seat 206 is fixed on clamping plate 202, and elastic component is arranged between first rotating seat 205 and second rotating seat 206.

[0031] Please refer to Figure 3 and Figure 4 , the elastic component includes rotating cylinder 207 and rotating rod 208, rotating cylinder 207 is rotatably connected on first rotating seat 205, rotating rod 208 is rotatably connected on second rotating seat 206, rotating rod 208 is slidably connected in rotating cylinder 207, spring is arranged between rotating cylinder 207 and rotating rod 208, when rotating rod 208 moves in rotating cylinder 207, the spring in rotating cylinder 207 will be deformed.

[0032] Please refer to Figure 3 and Figure 4 , also include adjusting component 3, adjusting component 3 sets up on fixed component 2, adjusting component 3 includes adjusting groove 301, adjusting groove 301 is set up on clamping plate 202, and mobile rod 302 is slidably connected in adjusting groove 301, and L-shaped plate 303 is fixed on mobile rod 302.

[0033] The upper end of the moving rod 302 is rotationally connected with a threaded rod 304, the threaded rod 304 is threadedly connected with the top of the shell 201, the threaded rod 304 penetrates through the shell 201 and extends above the shell 201, and the upper end of the threaded rod 304 is fixed with a rotating rod 305.

[0034] Please refer to Figure 1 、 Figure 3 and Figure 4 , specifically, when the prefabricated plate 4 needs to be maintained or replaced, the threaded rod 304 is driven to rotate by the rotating rod 305, and the rotation of the threaded rod 304 will drive the moving rod 302 to slide in the adjusting groove 301.

[0035] At the same time, the moving rod 302 will also drive the L-shaped plate 303 to push the clamping plate 202, so that the clamping plate 202 pushes the rotating rod 208 through the second rotating seat 206, and the rotating rod 208 will be pressed against the spring, at this time, the friction block 204 no longer abuts against the prefabricated plate 4, and the prefabricated plate 4 can be disassembled through hoisting equipment.

[0036] Working principle: when the prefabricated plate 4 is installed, the prefabricated plate 4 is first hoisted above the two guide shells 203 by hoisting equipment, the upper end opening of the guide shell 203 is larger than the upper end opening of the guide groove 102, and the prefabricated plate 4 is guided through the guide shell 203, facilitating the installation of the prefabricated plate 4.

[0037] After the prefabricated plate 4 is installed, the prefabricated plate 4 can be positioned in the horizontal direction through the shell 201, the rotating rod 208 and the second rotating seat 206 can be driven to abut against the clamping plate 202 through the elastic force of the spring, so that the clamping plate 202 drives the friction block 204 to abut against the prefabricated plate 4, at this time, the prefabricated plate 4 is in a clamped position, when the prefabricated plate 4 is subjected to an external force and attempts to move upward, the reverse force of the prefabricated plate 4 will change the rotation angle of the friction block 204 and the clamping plate 202, thereby increasing the clamping pressure of the prefabricated plate 4, and then the prefabricated plate 4 is fixed in the longitudinal direction through the friction block 204, the device can guide the prefabricated plate 4 during installation through the guide shell 203, reducing manual intervention, and the prefabricated plate 4 can also be clamped and fixed.

[0038] The basic principle and main features of the present application are shown and described above, and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, the above examples and descriptions in the specification are only to illustrate the principle of the present application, without departing from the spirit and scope of the present application, the present application can also have various changes and improvements, these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A positioning and clamping device for cement precast slab splicing, comprising a concrete stand (1), characterized in that: a fixing component (2) is arranged on the concrete stand (1); the fixing component (2) comprises a shell (201), a clamping plate (202) and a guide shell (203), the shell (201) and the guide shell (203) are arranged on the concrete stand (1), the guide shell (203) is used for guiding a precast slab (4), the clamping plate (202) is rotatably arranged in the shell (201), and a friction block (204) is arranged on the clamping plate (202). The concrete stand (1) comprises a column body (101) and a guide groove (102), and the guide groove (102) is arranged on both sides of the column body (101). A first rotating seat (205) is fixed on the shell (201), a second rotating seat (206) is fixed on the clamping plate (202), and an elastic component is arranged between the first rotating seat (205) and the second rotating seat (206).

2. The positioning and clamping device for the cement precast slab according to claim 1, characterized in that: The elastic component comprises a rotating cylinder (207) and a rotating rod (208), the rotating cylinder (207) is rotatably connected to the first rotating seat (205), the rotating rod (208) is rotatably connected to the second rotating seat (206), the rotating rod (208) is slidably connected in the rotating cylinder (207), and a spring is arranged between the rotating cylinder (207) and the rotating rod (208).

3. The positioning and clamping device for the cement precast slab according to claim 1, characterized in that: An adjusting component (3) is arranged on the fixing component (2), the adjusting component (3) comprises an adjusting groove (301), the adjusting groove (301) is arranged on the clamping plate (202), a moving rod (302) is slidably connected in the adjusting groove (301), an L-shaped plate (303) is fixed on the moving rod (302), a threaded rod (304) is rotatably connected to the upper end of the moving rod (302), and the threaded rod (304) is threadedly connected to the top of the shell (201).

4. The positioning and clamping device for the cement precast slab according to claim 3, characterized in that: The threaded rod (304) penetrates through the shell (201) and extends above the shell (201), and a rotating rod (305) is fixed on the upper end of the threaded rod (304).

5. The positioning and clamping device for the cement precast slab according to claim 1, characterized in that: The guide shell (203) is fixed on the shell (201) and the column body (101), and the shell (201) is fixed in the guide groove (102).

6. The positioning and clamping device for the cement precast slab according to claim 5, characterized in that: ​ 7. The positioning and clamping device for the cement precast slab according to claim 2, characterized in that: ​