Prestress tensioning construction device for house building project

By combining the threaded column and the lifting mechanism, the position and height of the hydraulic cylinder can be flexibly adjusted, solving the problem that the position and height of the hydraulic cylinder cannot be adjusted in the existing technology, and improving the ease of use and safety of the equipment.

CN224259911UActive Publication Date: 2026-05-19HUBEI XINSHENG HONGFENG CONSTR CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUBEI XINSHENG HONGFENG CONSTR CO LTD
Filing Date
2025-04-16
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

Existing prestressed tensioning construction devices cannot adjust the position and height of the hydraulic cylinder according to the position of the steel strand, making them inconvenient to use.

Method used

The hydraulic cylinder moves horizontally within the slot by moving the support plate and fixed column via the threaded column, and the height of the fixed box is adjusted by the lifting mechanism, thus achieving synchronous adjustment of the position and height of the hydraulic cylinder.

Benefits of technology

It enables flexible adjustment of the position and height of the hydraulic cylinder, improving the ease of use and safety of the equipment, and preventing damage to the hydraulic cylinder due to high temperature.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224259911U_ABST
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Abstract

The utility model provides a house building project prestress tension construction device which comprises a fixed box, a movable box is movably installed on the top of the fixed box, a hydraulic pump is fixedly installed in the movable box, a switch is fixed to the top of the movable box, an open groove is formed in the fixed box, a hydraulic cylinder is movably installed in the open groove, and the hydraulic cylinder is fixedly installed in the open groove. A groove is formed in one end of the hydraulic cylinder, a movable disc is movably installed in the groove, an open hole is formed in the movable disc, a conical seat is movably installed in the open hole, and a steel strand is movably installed in the conical seat. When the house building project prestress tensioning construction device is used, a threaded column drives a supporting plate and a fixing column to move, the fixing column moves to push a hydraulic cylinder to horizontally move in an open groove, the hydraulic cylinder horizontally moves to adjust the position of a tensioning point, and in addition, a lifting mechanism and a supporting base are matched to adjust the overall height of a fixing box; therefore, synchronous adjustment of the height of the hydraulic cylinder is completed.
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Description

Technical Field

[0001] This utility model relates to the field of tensioning construction equipment, specifically a prestressed tensioning construction device for building construction. Background Technology

[0002] A prestressed tensioning construction device is a piece of equipment used in building construction to tension prestressed components. It is usually a prestressed tensioning machine, which typically consists of one or more hydraulic cylinders. The tension force is generated by the pressure provided by the hydraulic system. Prestressed tensioning machines usually have adjustable tension force and tensioning speed to meet the needs of different projects.

[0003] According to the patent document CN221168738U, a prestressed tensioning construction device for building construction includes a main body. A screen is provided on one side of the top of the main body. A limiting block is installed on one side of the top of the main body. A first bolt is installed on one side of the inner surface of the limiting block. A fixing frame is installed on one side of the limiting block. A slide is provided on one side of the inner surface of the fixing frame. A cleaning frame is installed on one side of the slide. In use, this technical solution achieves portable cleaning of the screen by setting a fixing frame and installing a cleaning frame and cleaning brush at the screen, avoiding dust accumulation on the screen due to the dusty environment in which the device is used. However, although this technical solution completes the cleaning of the screen, it cannot adjust the position and height of the hydraulic cylinder according to the position of the steel strand during use, which is inconvenient. Utility Model Content

[0004] To address the shortcomings of existing technologies, the purpose of this utility model is to provide a prestressed tensioning construction device for building construction, thereby solving the problems mentioned in the background technology. This utility model has a novel structure. In use, the threaded column drives the support plate and the fixed column to move. The movement of the fixed column pushes the hydraulic cylinder to move horizontally inside the slot. The horizontal movement of the hydraulic cylinder adjusts the position of the tensioning point. In addition, the lifting mechanism cooperates with the support seat to adjust the overall height of the fixed box, thereby completing the synchronous adjustment of the height of the hydraulic cylinder.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a prestressed tensioning construction device for building construction, comprising a fixed box, a movable box movably mounted on the top of the fixed box, a hydraulic pump fixedly mounted inside the movable box, a switch fixedly mounted on the top of the movable box, a slot on the fixed box, a hydraulic cylinder movably mounted inside the slot, a groove on one end of the hydraulic cylinder, a movable disc movably mounted inside the groove, an opening on the movable disc, a conical seat movably mounted inside the opening, and a steel strand movably mounted inside the conical seat.

[0006] Furthermore, the fixed box has a fixing hole on its side, and a fixing column is movably installed inside the fixing hole. A support plate is welded to one end of the fixing column.

[0007] Furthermore, a threaded column is rotatably mounted on the support plate, one end of the threaded column is mounted on the side of the fixed box via a bearing, and one end of the fixed column is fixedly mounted on the hydraulic cylinder.

[0008] Furthermore, the top of the fixed box has a fixing groove, and an oil pipe is movably installed inside the fixing groove. One end of the oil pipe is fixed to the hydraulic cylinder, and the other end of the oil pipe is fixed to the hydraulic pump.

[0009] Furthermore, a lifting mechanism is fixed on the fixed box, a slider is fixed on the lifting mechanism, and a groove is opened at the bottom of the movable box, with the slider movably installed inside the groove.

[0010] Furthermore, a movable column is installed on the lifting mechanism, and a support base is fixed to one end of the movable column. The support base is movably installed at the bottom of the fixed box.

[0011] Furthermore, a sealing ring is fixed inside the hydraulic cylinder, and a piston rod is movably installed between the sealing ring and the hydraulic cylinder, with a limit plate movably installed at one end of the piston rod.

[0012] Furthermore, the hydraulic cylinder has an oil chamber inside, and the piston rod is movably installed inside the oil chamber.

[0013] The beneficial effects of this utility model are:

[0014] 1. In the prestressed tensioning construction device for this building construction project, the threaded column drives the support plate and fixed column to move during use. The movement of the fixed column pushes the hydraulic cylinder to move horizontally inside the slot. The horizontal movement of the hydraulic cylinder adjusts the position of the tensioning point. In addition, the lifting mechanism cooperates with the support seat to adjust the overall height of the fixed box, thereby completing the synchronous adjustment of the height of the hydraulic cylinder.

[0015] 2. The prestressed tensioning construction device for this building project has a hydraulic pump fixedly installed inside the movable box. The hydraulic pump moves simultaneously with the hydraulic cylinder, and the fixed box and movable box are used to move the equipment simultaneously while providing shielding protection for the equipment.

[0016] 3. In the prestressed tensioning construction device of this building project, the movable box and the fixed box are misaligned in the later stage. After the movable box is moved and misaligned, the cooling fan is opened. The cooling fan blows air into the slot, and the airflow cools the hydraulic cylinder as a whole, effectively avoiding damage to the hydraulic cylinder caused by high temperature. Attached Figure Description

[0017] Figure 1This is a schematic diagram of the prestressed tensioning construction device for building construction according to this utility model;

[0018] Figure 2 This is a schematic diagram of the movable box of the prestressed tensioning construction device for building construction after it has been moved.

[0019] Figure 3 This is a schematic diagram of the lifting mechanism of the prestressed tensioning construction device for building construction according to this utility model;

[0020] Figure 4 This is a side view sectional structural diagram of the fixing box of the prestressed tensioning construction device for building construction according to this utility model;

[0021] In the diagram: 1. Fixed box; 2. Movable box; 3. Switch; 4. Slot; 5. Hydraulic cylinder; 6. Groove; 7. Support plate; 8. Threaded column; 9. Fixed column; 10. Fixed groove; 11. Lifting mechanism; 12. Slider; 13. Movable column; 14. Support base; 15. Oil pipe; 16. Movable disc; 17. Opening; 18. Conical seat; 19. Steel strand; 20. Oil chamber; 21. Piston column; 22. Sealing ring; 23. Limiting disc. Detailed Implementation

[0022] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0023] Please see Figures 1 to 4 This utility model provides a technical solution: a prestressed tensioning construction device for building construction, including a fixed box 1, a movable box 2 movably installed on the top of the fixed box 1, a hydraulic pump fixedly installed inside the movable box 2, a switch 3 fixedly installed on the top of the movable box 2, a slot 4 opened on the fixed box 1, a hydraulic cylinder 5 movably installed inside the slot 4, a groove 6 opened at one end of the hydraulic cylinder 5, a movable disc 16 movably installed inside the groove 6, an opening 17 opened on the movable disc 16, a conical seat 18 movably installed inside the opening 17, a steel strand 19 movably installed inside the conical seat 18, a fixing hole opened on the side of the fixed box 1, a fixing column 9 movably installed inside the fixing hole, a support plate 7 welded to one end of the fixing column 9, and subsequent movement of the support plate 7 drives the fixing column 9 to move, which in turn drives the hydraulic cylinder 5 to adjust its horizontal position inside the slot 4.

[0024] In this embodiment, a threaded column 8 is rotatably mounted on the support plate 7. One end of the threaded column 8 is mounted on the side of the fixed box 1 via a bearing. One end of the fixed column 9 is fixedly mounted on the hydraulic cylinder 5. A fixed groove 10 is opened on the top of the fixed box 1. An oil pipe 15 is movably installed inside the fixed groove 10. One end of the oil pipe 15 is fixed to the hydraulic cylinder 5, and the other end of the oil pipe 15 is fixed to the hydraulic pump. A lifting mechanism 11 is fixed on the fixed box 1. A slider 12 is fixed on the lifting mechanism 11. A sliding groove is opened at the bottom of the movable box 2. The slider 12 is movably installed inside the sliding groove. The lifting mechanism 11 is a linear reciprocating electric push rod. The lifting mechanism 11 pushes the support seat 14 to contact the ground. After the support seat 14 moves downward, the fixed box 1 moves upward. The upward movement of the fixed box 1 completes the adjustment of the height of the hydraulic cylinder 5.

[0025] In this embodiment, a movable column 13 is installed on the lifting mechanism 11. A support base 14 is fixed to one end of the movable column 13. The support base 14 is movably installed at the bottom of the fixed box 1. A sealing ring 22 is fixed inside the hydraulic cylinder 5. A piston column 21 is movably installed between the sealing ring 22 and the hydraulic cylinder 5. A limit plate 23 is movably installed at one end of the piston column 21. An oil chamber 20 is opened inside the hydraulic cylinder 5. The piston column 21 is movably installed inside the oil chamber 20. The hydraulic oil moves inside the oil chamber 20, and the hydraulic oil drives the piston column 21 to move back and forth. The back and forth movement of the piston column 21 pushes the limit plate 23. The limit plate 23 drives the steel strand 19 to move back and forth to complete the subsequent tensioning construction.

[0026] When using this device, the fixed box 1 is moved to the usage position. Then, the position of the hydraulic cylinder 5 is adjusted according to the position of the steel strand 19. The threaded column 8 is rotated to move the support plate 7. The movement of the support plate 7 causes the fixed column 9 to move as well. The movement of the fixed column 9 pushes the hydraulic cylinder 5 to slide horizontally inside the slot 4. The horizontal sliding of the hydraulic cylinder 5 adjusts the usage position. After the usage position of the hydraulic cylinder 5 is determined, the lifting mechanism 11 is activated to adjust the overall height of the fixed box 1. The lifting mechanism 11 pushes the support base 14 downward, and the fixed box 1 rises upward. After the height adjustment of the hydraulic cylinder 5 is completed, the steel strand 19 is installed on the movable plate 16 through the conical seat 18. One end of the steel strand 19 passes through the hydraulic cylinder 5, and the other end of the steel strand 19 is installed on the limit plate 23 through the conical seat 18. The movable plate 1... 6. The device is installed inside the groove 6 for limiting and fixing. The hydraulic pump inside the movable box 2 is started. The hydraulic pump sends high-pressure oil into the oil chamber 20 to push the piston column 21. The piston column 21 pushes the limiting plate 23 to move. When the limiting plate 23 moves, the steel strand 19 is limited by the conical seat 18. As the limiting plate 23 moves, the steel strand 19 is stretched. Then the limiting plate 23 moves on the steel strand 19 through the conical seat 18. The conical seat 18 completes the unidirectional movement on the steel strand 19. The unidirectional movement causes the limiting plate 23 to move back to one end of the piston column 21. The reciprocating tensioning of the steel strand 19 is completed by the piston column 21 to complete the construction. After the tensioning construction, the limiting plate 23 is removed. The steel strand 19 on the side of the movable plate 16 is cut. The steel strand 19 and the movable plate 16 are then cast into the wall for permanent fixation.

[0027] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0028] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A prestressed tensioning construction device for housing construction projects, comprising a fixed box (1), characterized in that: A movable box (2) is movably installed on the top of the fixed box (1). A hydraulic pump is fixedly installed inside the movable box (2). A switch (3) is fixed on the top of the movable box (2). A slot (4) is opened on the fixed box (1). A hydraulic cylinder (5) is movably installed inside the slot (4). A groove (6) is opened at one end of the hydraulic cylinder (5). A movable disc (16) is movably installed inside the groove (6). An opening (17) is opened on the movable disc (16). A conical seat (18) is movably installed inside the opening (17). A steel strand (19) is movably installed inside the conical seat (18).

2. The prestress tension construction device for building engineering according to claim 1, characterized in that: The fixed box (1) has a fixing hole on its side, and a fixing column (9) is movably installed inside the fixing hole. A support plate (7) is welded to one end of the fixing column (9).

3. The prestress tension construction device for building engineering according to claim 2, characterized in that: A threaded column (8) is rotatably mounted on the support plate (7). One end of the threaded column (8) is mounted on the side of the fixed box (1) via a bearing. One end of the fixed column (9) is fixedly mounted on the hydraulic cylinder (5).

4. The prestress tension construction device for building engineering according to claim 1, characterized in that: The top of the fixed box (1) has a fixed groove (10), and an oil pipe (15) is movably installed inside the fixed groove (10). One end of the oil pipe (15) is fixed to the hydraulic cylinder (5), and the other end of the oil pipe (15) is fixed to the hydraulic pump.

5. The prestress tension construction device for building engineering according to claim 1, characterized in that: A lifting mechanism (11) is fixed on the fixed box (1), and a slider (12) is fixed on the lifting mechanism (11). A sliding groove is opened at the bottom of the movable box (2), and the slider (12) is movably installed inside the sliding groove.

6. The prestress tension construction device for building engineering according to claim 5, characterized in that: The lifting mechanism (11) is equipped with a movable column (13), and a support base (14) is fixed at one end of the movable column (13). The support base (14) is movably installed at the bottom of the fixed box (1).

7. The prestress tension construction device for building engineering according to claim 1, characterized in that: A sealing ring (22) is fixed inside the hydraulic cylinder (5), and a piston rod (21) is movably installed between the sealing ring (22) and the hydraulic cylinder (5). A limit plate (23) is movably installed at one end of the piston rod (21).

8. The prestress tension construction device for building engineering according to claim 7, characterized in that: The hydraulic cylinder (5) has an oil chamber (20) inside, and the piston rod (21) is movably installed inside the oil chamber (20).