Centrifugal forming device for concrete hollow square pile

By designing a concrete hollow square pile centrifugal molding device including a driving pulley driven by the first motor and a forward and reverse threaded screw, as well as a driving gear driven by the second motor and an auxiliary roller, the inconvenient mold installation and low centrifugal efficiency are solved. Problem, more efficient mold installation and production process is achieved.

CN222450836UActive Publication Date: 2025-02-11ZHEJIANG ZHONGCHENG CEMENT PIPE & PILE CO LTD
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Patent Information

Application Number
CN202420687775.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-07
Publication Date
2025-02-11
Estimated Expiration
2034-04-07

AI Technical Summary

Technical Problem

During the production process of existing concrete hollow square piles, the mold is inconvenient to install, resulting in low filling efficiency of steel bars and concrete, increasing weight after mold filling, and reducing centrifugal efficiency.

Method used

A concrete hollow square pile centrifugal molding device is designed, and the active pulley and the forward and reverse threaded screw are driven by the first motor to quickly install and fix the mold; the second motor drives the active gear and auxiliary roller to improve the centrifugal efficiency of the mold.

Benefits of technology

It improves the installation speed and safety of the mold, improves the centrifugal efficiency and production speed of concrete hollow square piles, and solves the problems of inconvenient mold installation and low centrifugal efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a concrete hollow square pile centrifugal forming device, which relates to the technical field of engineering construction and comprises a supporting plate, two first supports are fixedly connected to the top wall of the supporting plate, a first base is fixedly connected to one sides of the surface walls of the two first supports, and a first motor is arranged on one side of the surface wall of the first base. The output end of the first motor is provided with a driving belt wheel, one side of the surface wall of the driving belt wheel is sleeved with a belt, one side of the inner wall of the belt is sleeved with a driven belt wheel, one side of the surface wall of the driving belt wheel and one side of the surface wall of the driven belt wheel are provided with right-hand and left-hand threaded lead screws correspondingly, and the surface walls of the right-hand and left-hand threaded lead screws are in threaded connection with two movable plates. The output end of the first motor rotates to drive the two right-hand and left-hand thread lead screws to rotate, so that the two movable plates are driven to move, a mold is connected under the action of the rotating shaft and the connecting plate, the mold mounting speed is increased, and meanwhile the situation that the safety of constructors is affected due to mold falling is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of engineering construction, in particular to a centrifugal forming device for concrete hollow square piles. Background Art

[0002] Concrete hollow square piles are precast concrete components made by applying centrifugal force to the mold. The centrifuge drives the mold to rotate at high speed. The concrete inside the mold will be formed along the square inner cavity of the mold under the action of centrifugal force, and the center is hollow under the action of centrifugal force. Prestressed square piles are hollow cylindrical slender concrete precast components made by prestressed technology and centrifugal forming. They are mainly composed of square pile bodies, end plates and steel sleeves. The use of hollow square piles will be accepted by the market and promoted due to its many advantages. Compared with other pile types, especially prestressed concrete pipe piles, hollow square piles can obtain greater bearing capacity than pipe piles under the same geological conditions, saving a lot of basic funds for the project.

[0003] However, in the production process of existing hollow square concrete piles, the installation of the mold is inconvenient, resulting in low efficiency in filling steel bars and concrete, and the weight of the mold increases after filling, resulting in reduced efficiency of centrifugal operation. Therefore, it is necessary to propose a new type of centrifugal forming device for hollow square concrete piles. Utility Model Content

[0004] The utility model aims to solve the problems that the installation process of the mold is inconvenient, the filling efficiency of concrete and steel bars is reduced, and the weight of the mold after filling increases and the centrifugal efficiency is reduced, and a concrete hollow square pile centrifugal forming device is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a centrifugal forming device for hollow square piles of concrete, comprising a support plate, the top wall of the support plate is fastened to two first brackets, one side of the surface wall of the two first brackets is fastened to a first base, one side of the surface wall of the first base is installed with a first motor, a driving pulley is installed on the output end of the first motor, a belt is sleeved on one side of the surface wall of the driving pulley, a driven pulley is sleeved on one side of the inner wall of the belt, positive and negative threaded screws are respectively installed on one side of the surface wall of the driving pulley and the driven pulley, the surface walls of the positive and negative threaded screws are threadedly connected to two movable plates, and a rotating shaft is installed on one side of the surface wall of the two movable plates.

[0006] Preferably, a connecting plate is installed on one side of the surface wall of the rotating shaft, and a mold is installed on one side of the surface wall of the connecting plate.

[0007] Preferably, two guide rails are installed on one side of the top wall of the support plate, and the two guide rails are slidably connected to the movable plate.

[0008] Preferably, a feed port is installed on one side of the surface wall of the mold, and two second brackets are fastened to one side of the top wall of the support plate.

[0009] Preferably, one side of the top wall of the support portion is fastened with a second base, and one side of the top wall of the second base is mounted with a second motor.

[0010] Preferably, a driving gear is installed at the output end of the second motor, and a toothed belt is meshedly connected to one side of the surface wall of the driving gear.

[0011] Preferably, one side of the inner wall of the toothed belt is meshedly connected with a driven gear, and one side of the surface wall of the driving gear and the driven gear are respectively installed with auxiliary rollers.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, the output end of the first motor rotates to drive the two positive and negative threaded screws to rotate, thereby driving the two movable plates to move, and the mold is connected under the action of the rotating shaft and the connecting plate, thereby increasing the speed of mold installation and preventing the mold from falling off and affecting the safety of construction workers.

[0014] 2. In the utility model, by starting the second motor, the output end of the second motor rotates to drive the two auxiliary rollers to rotate, and the rotation of the two auxiliary rollers drives the mold to rotate, thereby improving the centrifugal efficiency of the hollow square concrete piles and increasing the production speed of the hollow square concrete piles. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model provides a three-dimensional structural schematic diagram of a centrifugal forming device for hollow square concrete piles;

[0016] Figure 2 The utility model provides a top-view stereoscopic structural schematic diagram of a centrifugal forming device for hollow square concrete piles;

[0017] Figure 3 The utility model provides a schematic diagram of the internal cross-sectional structure of a centrifugal forming device for hollow square concrete piles;

[0018] Figure 4 The utility model provides a partial structural schematic diagram of a centrifugal forming device for hollow square concrete piles.

[0019] Legend: 1. Support plate; 2. First bracket; 3. First motor; 4. First base; 5. Driven pulley; 6. Driving pulley; 7. Belt; 8. Positive and negative threaded screw; 9. Movable plate; 10. Guide rail; 11. Second bracket; 12. Rotating shaft; 13. Connecting plate; 14. Mould; 15. Feed port; 16. Second base; 17. Second motor; 18. Driven gear; 19. Driving gear; 20. Toothed belt; 21. Auxiliary roller. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0022] Example 1

[0023] like Figure 1-Figure 4 As shown, the utility model provides a technical solution: a concrete hollow square pile centrifugal forming device, comprising a support plate 1, the top wall of the support plate 1 is fastened with two first brackets 2, one side of the surface wall of the two first brackets 2 is fastened with a first base 4, one side of the surface wall of the first base 4 is installed with a first motor 3, an output end of the first motor 3 is installed with a driving pulley 6, one side of the surface wall of the driving pulley 6 is sleeved with a belt 7, one side of the inner wall of the belt 7 is sleeved with a driven pulley 5, one side of the surface wall of the driving pulley 6 and the driven pulley 5 is respectively installed with positive and negative threaded screw rods 8, the surface wall of the positive and negative threaded screw rods 8 are threadedly connected with two movable plates 9, one side of the surface wall of the two movable plates 9 is installed with a rotating shaft 12, one side of the surface wall of the rotating shaft 12 is installed with a connecting plate 13, one side of the surface wall of the connecting plate 13 is installed with a mold 14, one side of the top wall of the support plate 1 is installed with two guide rails 10, the two guide rails 10 and the movable plate 9 are slidably connected, and one side of the surface wall of the mold 14 is installed with a feed port 15.

[0024] In this embodiment, the user removes the mold 14, opens the mold 14 and adds steel bars therein, and pours concrete under the action of the feed port 15. Then the user starts the first motor 3 installed on the first base 4. Under the action of the first motor 3, the output end of the first motor 3 rotates to drive the active pulley 6 to rotate, the active pulley 6 rotates to drive the belt 7 to rotate, the belt 7 rotates to drive the driven pulley 5 to rotate, the active pulley 6 and the driven pulley 5 rotate to drive the two positive and negative threaded screw rods 8 to rotate, and under the action of the guide rail 10 installed on the support plate 1, the two positive and negative threaded screw rods 8 rotate to drive the two movable plates 9 to move on the guide rail 10. Then, the user installs the mold 14 under the action of the rotating shaft 12 and the connecting plate 13 installed on the movable plate 9, thereby increasing the speed of installing the mold 14 and preventing the mold 14 from falling off and affecting the safety of the construction workers. The first bracket 2 supports the first base 4.

[0025] Example 2

[0026] like Figure 1-Figure 4 As shown, two second brackets 11 are fastened to one side of the top wall of the support plate 1, a second base 16 is fastened to one side of the top wall of the support portion, a second motor 17 is installed on one side of the top wall of the second base 16, a driving gear 19 is installed on the output end of the second motor 17, a toothed belt 20 is meshedly connected to one side of the surface wall of the driving gear 19, a driven gear 18 is meshedly connected to one side of the inner wall of the toothed belt 20, and auxiliary rollers 21 are respectively installed on one side of the surface wall of the driving gear 19 and the driven gear 18.

[0027] In this embodiment, after the user installs the mold 14, the second motor 17 installed on the second base 16 is started, and the output end of the second motor 17 rotates to drive the driving gear 19 to rotate, the driving gear 19 rotates the pulley toothed belt 20 to rotate, and the toothed belt 20 rotates to drive the driven gear 18 to rotate, and the second bracket 11 supports the two auxiliary rollers 21, and the driving gear 19 and the driven gear 18 rotate to drive the two auxiliary rollers 21 to rotate. Under the action of the rotating shaft 12, the two auxiliary rollers 21 rotate to drive the mold 14 to rotate, thereby improving the centrifugal efficiency of the hollow square concrete piles and improving the production speed of the hollow square concrete piles.

[0028] The working principle of this embodiment is as follows: when in use, first connect the power supply, the user removes the mold 14, opens the mold 14 and adds steel bars inside it, pours concrete under the action of the feed port 15, and the user starts the first motor 3 installed on the first base 4, the output end of the first motor 3 rotates to drive the active pulley 6 to rotate, the active pulley 6 rotates to drive the belt 7 to rotate, the belt 7 rotates to drive the driven pulley 5 to rotate, the active pulley 6 and the driven pulley 5 rotate to drive the two positive and negative threaded screws 8 to rotate, then, under the action of the guide rail 10 installed on the support plate 1, the two positive and negative threaded screws 8 rotate to drive the two movable plates 9 to move on the guide rail 10, The user installs the mold 14 through the action of the rotating shaft 12 and the connecting plate 13 installed on the movable plate 9, and the first bracket 2 supports the first base 4. Then, the second motor 17 installed on the second base 16 is started, and the output end of the second motor 17 rotates to drive the driving gear 19 to rotate, and the driving gear 19 rotates the pulley toothed belt 20 to rotate, and the toothed belt 20 rotates to drive the driven gear 18 to rotate. The second bracket 11 supports the two auxiliary rollers 21, and the driving gear 19 and the driven gear 18 rotate to drive the two auxiliary rollers 21 to rotate. Under the action of the rotating shaft 12, the two auxiliary rollers 21 rotate to drive the mold 14 to rotate.

[0029] The wiring diagram of the first motor 3 and the second motor 17 in the present invention is common knowledge in the art, and its working principle is a known technology. The model is selected according to the actual use, so the control method and wiring arrangement of the first motor 3 and the second motor 17 are not explained in detail.

[0030] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A centrifugal forming device for hollow square concrete piles, characterized in that: The invention comprises a support plate (1), wherein the top wall of the support plate (1) is fastened with two first brackets (2), one side of the surface wall of the two first brackets (2) is fastened with a first base (4), one side of the surface wall of the first base (4) is mounted with a first motor (3), an output end of the first motor (3) is mounted with a driving pulley (6), one side of the surface wall of the driving pulley (6) is sleeved with a belt (7), one side of the inner wall of the belt (7) is sleeved with a driven pulley (5), one side of the surface wall of the driving pulley (6) and the driven pulley (5) are respectively mounted with positive and negative threaded screw rods (8), the surface wall of the positive and negative threaded screw rods (8) are threadedly connected with two movable plates (9), and one side of the surface wall of the two movable plates (9) is mounted with a rotating shaft (12).

2. The centrifugal forming device for hollow square concrete piles according to claim 1, characterized in that: A connecting plate (13) is installed on one side of the surface wall of the rotating shaft (12), and a mold (14) is installed on one side of the surface wall of the connecting plate (13).

3. The centrifugal forming device for hollow square concrete piles according to claim 2, characterized in that: Two guide rails (10) are installed on one side of the top wall of the support plate (1), and the two guide rails (10) are slidably connected to the movable plate (9).

4. The centrifugal forming device for hollow square concrete piles according to claim 3 is characterized in that: A feed port (15) is installed on one side of the surface wall of the mold (14), and two second brackets (11) are firmly connected to one side of the top wall of the support plate (1).

5. The centrifugal forming device for hollow square concrete piles according to claim 4, characterized in that: A second base (16) is fastened to one side of the top wall of the support plate, and a second motor (17) is mounted on one side of the top wall of the second base (16).

6. The centrifugal forming device for hollow square concrete piles according to claim 5, characterized in that: A driving gear (19) is installed at the output end of the second motor (17), and a toothed belt (20) is meshedly connected to one side of the surface wall of the driving gear (19).

7. The centrifugal forming device for hollow square concrete piles according to claim 6, characterized in that: One side of the inner wall of the toothed belt (20) is meshedly connected with a driven gear (18), and one side of the surface wall of the driving gear (19) and the driven gear (18) are respectively installed with auxiliary rollers (21).