A prestressed concrete pipe pile forming mold
The innovative design of the I-shaped limiting rod and limiting mechanism simplifies the connection operation of the prestressed concrete pipe pile forming mold, solves the cumbersome multi-screw installation problem in the existing technology, and improves production efficiency and forming quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YONGSHENG TECHNOLOGY (NINGXIA) CO LTD
- Filing Date
- 2025-07-01
- Publication Date
- 2026-07-21
AI Technical Summary
The existing prestressed concrete pipe pile forming mold has a complicated connection method between the semi-cylindrical upper mold and the lower mold, resulting in low production efficiency, high labor intensity for workers, and unstable connection, which affects the forming quality.
The system employs an I-shaped limiting rod and limiting mechanism. Through the design of T-slots and I-slots, combined with the pull handle, guide rod, and spring, the connection operation is simplified. The guide rod is slowly reset through the friction plate and rubber friction layer to ensure the stability and accuracy of the connection.
It significantly improves the efficiency of mold installation and disassembly, reduces the labor intensity of workers, ensures the stability and precision of mold connection, and improves molding quality.
Smart Images

Figure CN224527566U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of pipe pile forming technology, and in particular to a prestressed concrete pipe pile forming mold. Background Technology
[0002] Prestressed concrete pipe piles are an important foundation building material, widely used in various construction projects. Their molding molds are key equipment in the manufacture of pipe piles, directly affecting the quality and production efficiency.
[0003] Currently, in the common prestressed concrete pipe pile forming molds on the market, the connection between the semi-cylindrical upper mold and the semi-cylindrical lower mold is mostly achieved by using multiple screws. This traditional connection method has many inconveniences in actual operation. During installation, workers need to tighten numerous screws one by one, which is cumbersome and time-consuming, greatly reducing production efficiency. Especially in large-scale production, the frequent screw installation and disassembly operations not only increase the labor intensity of workers, but also easily lead to inconsistent screw tightening due to human factors, affecting the sealing and stability of the mold, which may in turn have an adverse effect on the forming quality of the pipe pile. Utility Model Content
[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a prestressed concrete pipe pile forming mold. In actual use, compared with the existing multi-screw installation method, this solution simplifies the connection operation between the semi-cylindrical upper mold and the semi-cylindrical lower mold, making actual operation more convenient.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A prestressed concrete pipe pile forming mold includes a semi-cylindrical upper mold and a semi-cylindrical lower mold; two T-slots are formed on opposite sides of the semi-cylindrical upper mold and the semi-cylindrical lower mold, and every two mating T-slots form an I-shaped groove. An I-shaped limiting rod is inserted into each I-shaped groove, and the left ends of the two I-shaped limiting rods pass through the corresponding I-shaped groove; a limiting mechanism is provided to limit the semi-cylindrical lower mold and the two I-shaped limiting rods.
[0007] Preferably, both sides of the semi-cylindrical lower mold are fixedly connected with sealing caps.
[0008] Preferably, the upper end of the semi-cylindrical upper mold is fixedly connected with a plurality of first connecting semi-rings, and the lower end of the semi-cylindrical lower mold is fixedly connected with a plurality of second connecting semi-rings.
[0009] Preferably, the number of the first connecting half-rings and the second connecting half-rings are the same, and they cooperate with each other.
[0010] Preferably, a pull handle is fixedly connected to the right side of each of the two I-shaped limiting rods.
[0011] Preferably, the limiting mechanism includes two fixed plates symmetrically fixedly connected to the left side of the semi-cylindrical lower mold. A guide rod is provided through both fixed plates, and each guide rod is slidably connected to the fixed plate. A pull plate is fixedly connected to the lower end of each guide rod, and each pull plate is elastically connected to the lower end of the fixed plate by a spring.
[0012] Preferably, each of the I-shaped limiting rods has a vertically penetrating limiting port, and each of the guide rods passes through the corresponding limiting port and is slidably connected.
[0013] Preferably, a positioning plate is fixedly connected to the left side of each of the two fixing plates, and the positioning plate cooperates with the limiting mechanism.
[0014] Preferably, the upper and lower ends of the two pulling plates are fixedly connected to a U-shaped connecting rod.
[0015] Preferably, a friction plate is fixedly connected to the left side of the semi-cylindrical lower mold, and a rubber friction layer is provided on the left side of the friction plate.
[0016] Compared with the prior art, the advantages of this utility model are as follows:
[0017] 1. The prestressed concrete pipe pile forming mold provided by this utility model simplifies the connection operation between the semi-cylindrical upper mold and the lower mold by innovatively designing the I-shaped limiting rod connection method and limiting mechanism. Compared with the traditional multi-screw installation, it significantly improves the installation and disassembly efficiency of the mold and reduces the labor intensity of workers.
[0018] 2. A positioning plate is set on the left side of the fixed plate to cooperate with the limiting mechanism. This helps the guide rod to be accurately inserted into the limiting port, improves the limiting accuracy of the limiting mechanism, and further ensures the accuracy of the mold connection position.
[0019] 3. The pull plate is connected to the U-shaped connecting rod, and the lower mold is equipped with a friction plate with a rubber friction layer. When the I-shaped limit rod is taken out or put in, the friction force makes the guide rod slowly return to its original position, which saves time for the operator and greatly facilitates the operation, avoiding the interference of the operation by the rapid return of the guide rod. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the structure of Embodiment 1 of the present invention;
[0021] Figure 2 for Figure 1 Enlarged view of point A;
[0022] Figure 3 for Figure 1 Left side image;
[0023] Figure 4 for Figure 3 Enlarged view of point B;
[0024] Figure 5 This is a schematic diagram of the structure of Embodiment 2 of this utility model;
[0025] Figure 6 This is a schematic diagram of the structure of Embodiment 3 of this utility model;
[0026] Figure 7 for Figure 6 Enlarged view of point C.
[0027] In the diagram: 1. Semi-cylindrical upper mold, 2. Semi-cylindrical lower mold, 3. First connecting semi-ring, 4. Second connecting semi-ring, 5. Sealing cap, 6. T-slot, 7. I-shaped limiting rod, 8. Pull handle, 9. Fixing plate, 10. Guide rod, 11. Pulling plate, 12. Spring, 13. Limiting port, 14. U-shaped connecting rod, 15. Friction plate, 16. Positioning plate. Detailed Implementation
[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0029] Example 1
[0030] Reference Figure 1-4 A prestressed concrete pipe pile forming mold includes a semi-cylindrical upper mold 1 and a semi-cylindrical lower mold 2, with sealing caps 5 fixedly connected to both sides of the semi-cylindrical lower mold 2.
[0031] Among them, two T-slots 6 are opened on the opposite sides of the semi-cylindrical upper mold 1 and the semi-cylindrical lower mold 2. Each pair of mating T-slots 6 forms an I-shaped groove. An I-shaped limiting rod 7 is inserted into each I-shaped groove. A pull handle 8 is fixedly connected to the right side of each of the two I-shaped limiting rods 7. The left end of each of the two I-shaped limiting rods 7 passes through the corresponding I-shaped groove.
[0032] Among them, the upper end of the semi-cylindrical upper mold 1 is fixedly connected with multiple first connecting semi-rings 3, and the lower end of the semi-cylindrical lower mold 2 is fixedly connected with multiple second connecting semi-rings 4. The number of first connecting semi-rings 3 and second connecting semi-rings 4 is the same, and they cooperate with each other. The first connecting semi-rings 3 and second connecting semi-rings 4 form a connecting ring. The connecting ring is used to connect with the subsequent rotating device to realize the forming of the pipe pile. This is the prior art and will not be described in detail here.
[0033] The system also includes a limiting mechanism for limiting the semi-cylindrical lower mold 2 and two I-shaped limiting rods 7. The limiting mechanism includes two fixed plates 9 symmetrically fixedly connected to the left side of the semi-cylindrical lower mold 2. Guide rods 10 are provided through the two fixed plates 9. Each guide rod 10 is slidably connected to the fixed plate 9. A pull plate 11 is fixedly connected to the lower end of each guide rod 10. Each pull plate 11 is elastically connected to the lower end of the fixed plate 9 through a spring 12. Each I-shaped limiting rod 7 is provided with a limiting port 13 vertically. Each guide rod 10 passes through the corresponding limiting port 13 and is slidably connected.
[0034] In use, the semi-cylindrical upper mold 1 and semi-cylindrical lower mold 2 are aligned so that the T-slots 6 on opposite sides of the two fit together to form an I-shaped groove. Then, two I-shaped limiting rods 7 are inserted into the corresponding I-shaped grooves respectively. The right end of the I-shaped limiting rod 7 is fixedly connected to a pull handle 8, which is convenient for the operator to hold and push. During the insertion of the I-shaped limiting rod 7, its left end passes through the corresponding I-shaped groove, realizing the initial connection and positioning of the semi-cylindrical upper mold 1 and semi-cylindrical lower mold 2.
[0035] After the I-shaped limiting rod 7 is inserted into place, the limiting mechanism is used to limit the semi-cylindrical lower mold 2 and the I-shaped limiting rod 7. The operator first pulls down the pulling plate 11, which moves the guide rod 10 down and stretches the spring 12. After the I-shaped limiting rod 7 is inserted, the pulling plate 11 is released. Under the elastic force of the spring 12, the guide rod 10 slides upward. Since the I-shaped limiting rod 7 has a vertically penetrating limiting port 13, the guide rod 10 will pass through the corresponding limiting port 13 after sliding upward, thus limiting the I-shaped limiting rod 7 and preventing it from coming out of the I-shaped groove, thereby ensuring the stability of the connection between the semi-cylindrical upper mold 1 and the semi-cylindrical lower mold 2.
[0036] Example 2
[0037] Reference Figure 5 The difference between this embodiment and embodiment 1 is that a positioning plate 16 is fixedly connected to the left side of each of the two fixing plates 9, and the positioning plate 16 cooperates with the limiting mechanism.
[0038] The positioning plate 16 serves as an auxiliary positioning or guide to ensure that the guide rod 10 can be accurately inserted into the limiting port 13, thereby improving the limiting accuracy of the limiting mechanism.
[0039] Example 3
[0040] Reference Figure 6-7The difference between this embodiment and embodiment 2 is that the upper and lower ends of the two pulling plates 11 are fixedly connected to a U-shaped connecting rod 14, and a friction plate 15 is fixedly connected to the left side of the semi-cylindrical lower mold 2. A rubber friction layer is provided on the left side of the friction plate 15. By using the U-shaped connecting rod 14 and the friction plate 15, when it is necessary to remove or insert the two I-shaped limiting rods 7, first pull the U-shaped connecting rod 14 down to move the two guide rods 10 down. After releasing the U-shaped connecting rod 14, under the action of the spring 12 and the friction force, the two guide rods 10 will slowly move up. It takes a certain amount of time for them to move up to the insertion limiting port 13. This period of time facilitates the removal or insertion of the I-shaped limiting rods 7.
[0041] In this invention, when it is necessary to remove or insert the two I-shaped limiting rods 7, the U-shaped connecting rod 14 is first pulled down, which causes the two guide rods 10 to move down, stretching the spring 12. At this time, due to the action of the rubber friction layer of the friction plate 15, after the U-shaped connecting rod 14 is released, the elastic force of the spring 12 and the friction force of the rubber friction layer partially cancel each other out, causing the two guide rods 10 to slowly move up. It takes a certain amount of time for them to move up into the insertion limiting port 13. This period of time facilitates the removal or insertion of the I-shaped limiting rods 7 and avoids interfering with the operator due to the rapid reset of the guide rods 10.
[0042] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A prestressed concrete pipe pile forming mold, characterized in that, include: Semi-cylindrical upper mold (1) and semi-cylindrical lower mold (2); Two T-slots (6) are opened on the opposite sides of the semi-cylindrical upper mold (1) and the semi-cylindrical lower mold (2). Each pair of T-slots (6) forms an I-shaped groove. An I-shaped limiting rod (7) is inserted into each I-shaped groove. The left ends of the two I-shaped limiting rods (7) pass through the corresponding I-shaped groove. A limiting mechanism is provided for limiting the semi-cylindrical lower mold (2) and the two I-shaped limiting rods (7).
2. The prestressed concrete pipe pile forming mold according to claim 1, characterized in that, Both sides of the semi-cylindrical lower mold (2) are fixedly connected with sealing caps (5).
3. The prestressed concrete pipe pile forming mold according to claim 1, characterized in that, The upper end of the semi-cylindrical upper mold (1) is fixedly connected with a plurality of first connecting semi-rings (3), and the lower end of the semi-cylindrical lower mold (2) is fixedly connected with a plurality of second connecting semi-rings (4).
4. The prestressed concrete pipe pile forming mold according to claim 3, characterized in that, The number of the first connecting half-ring (3) and the second connecting half-ring (4) are the same, and they cooperate with each other.
5. A prestressed concrete pipe pile forming mold according to claim 1, characterized in that, A pull handle (8) is fixedly connected to the right side of each of the two I-shaped limiting rods (7).
6. The prestressed concrete pipe pile forming mold according to claim 1, characterized in that, The limiting mechanism includes two fixed plates (9) symmetrically fixedly connected to the left side of the semi-cylindrical lower mold (2). Guide rods (10) are provided through both fixed plates (9). Each guide rod (10) is slidably connected to the fixed plate (9). A pull plate (11) is fixedly connected to the lower end of each guide rod (10). Each pull plate (11) is elastically connected to the lower end of the fixed plate (9) by a spring (12).
7. A prestressed concrete pipe pile forming mold according to claim 6, characterized in that, Each of the I-shaped limiting rods (7) has a vertically penetrating limiting port (13), and each of the guide rods (10) passes through the corresponding limiting port (13) and is slidably connected.
8. A prestressed concrete pipe pile forming mold according to claim 6, characterized in that, A positioning plate (16) is fixedly connected to the left side of each of the two fixed plates (9), and the positioning plate (16) cooperates with the limiting mechanism.
9. A prestressed concrete pipe pile forming mold according to claim 6, characterized in that, The upper and lower ends of the two pull plates (11) are fixedly connected to a U-shaped connecting rod (14).
10. A prestressed concrete pipe pile forming mold according to claim 9, characterized in that, A friction plate (15) is fixedly connected to the left side of the semi-cylindrical lower mold (2), and a rubber friction layer is provided on the left side of the friction plate (15).