Prestress sleeper tensioning force control device

Abstract

The utility model discloses a prestress sleeper tensioning force control device which comprises a tensioning end beam, a forming steel die, two tensioning rods, two connecting frames, a movable block and a control panel, the forming steel die is arranged in the tensioning end beam, the two tensioning rods are movably arranged on one side of the tensioning end beam through two tensioning boxes, the number of the connecting frames is two, and the movable block is arranged on the control panel. The two connecting frames are detachably connected to one side of the tensioning end beam through the two supporting seats, the moving blocks are movably arranged on the connecting frames through the pushing seats, moving openings for the moving blocks to move are formed in the connecting frames, and the control plates are movably arranged on one sides of the connecting frames through the adjusting assemblies. Damping pads are fixedly connected to the sides, close to each other, of the two control plates, control grooves matched with the tensioning rods are formed in the two damping pads, and the control plates can support and control the tensioning rods. The prestress sleeper tensioning force control device is convenient for reducing the prestress deviation condition occurring when the prestress steel wire is tensioned.

Description

Technical Field

[0001] The utility model relates to the technical field of control devices, and particularly relates to a prestressed sleeper tensile force control device. Background Technique

[0002] The prestressed concrete sleeper is a sleeper that replaces the material with concrete and applies prestress on the basis of a wooden sleeper. During the production process, it is necessary to tension the steel bars embedded in the sleeper, so that the steel bars generate prestress, and then pour concrete into the mold and vibrate it. After steam curing, the tension is released, the formwork is removed, and the demolding is completed, thus completing the production of the prestressed sleeper. The structure size of the traditional prestressed concrete sleeper tension screw is relatively large, which has a greater impact on each link of the production line;

[0003] After retrieval, a utility model of a prestressed concrete sleeper tensioning device with the patent publication number CN206030219U, the inner contour of the forming steel mold is adapted to the outer contour of the prestressed concrete sleeper. The two ends of the forming steel mold are respectively a fixed end and a tensioning end, and two sets of tensioning components are arranged in the gap. The tensioning components are arranged horizontally in parallel. Each set of tensioning components consists of a tensioning box, a tensioning rod and a locking nut. The tensioning box is located in the gap between the tensioning end of the forming steel mold and the tensioning end beam. Although it is convenient to reduce the structure size of the prestressed concrete sleeper tension screw, during the tensioning process, the tensioning degree of each prestressed steel wire is prone to differences, forming prestress deviation, which is likely to cause longitudinal cracks at the end of the sleeper after production, and will affect the production quality and service life of the sleeper. Content of the Utility Model

[0004] (1) Technical Problems to be Solved

[0005] Aiming at the deficiencies of the prior art, the utility model provides a prestressed sleeper tensile force control device to solve the problem of prestress deviation that easily occurs when prestressed steel wires are tensioned in the background technique.

[0006] (2) Technical Solutions

[0007] To achieve the above object, the utility model provides the following technical solutions: A prestressed sleeper tensile force control device, including a tensioning end beam, a forming steel mold, a tensioning rod, a connecting frame, a moving block and a control board;

[0008] The forming steel mold is arranged inside the tensioning end beam;

[0009] Two tensioning rods are provided, and the two tensioning rods are movably arranged on one side of the tensioning end beam through two tensioning boxes;

[0010] Two connecting frames are provided, and the two connecting frames are detachably connected to one side of the tensioning end beam through two support seats;

[0011] The moving block is movably arranged on each of the connecting frames through a pushing seat, and a moving port for the moving block to move is formed in the connecting frame;

[0012] The control board is movably arranged on one side of each of the connecting frames through an adjusting assembly.

[0013] Furthermore, the adjusting assembly includes:

[0014] An adjusting screw rod which is rotatably connected to the adjacent moving block;

[0015] An adjusting column which is threadedly connected to the adjusting screw rod, and the adjusting column is fixedly connected to the control board;

[0016] Two adjusting cylinders which are symmetrically connected to the moving block;

[0017] An adjusting frame which is slidably connected through each of the adjusting cylinders, and the adjusting frame is fixedly connected to the adjusting column.

[0018] Furthermore, the pushing seat includes:

[0019] A protective box which is fixedly connected to one side of the connecting frame;

[0020] An electric cylinder which is installed in the protective box, and the output end of the electric cylinder is connected through the protective box;

[0021] A pushing plate which is fixedly connected between the output end of the electric cylinder and the moving block.

[0022] Furthermore, the support seat includes:

[0023] A support frame which is fixedly connected to one side of the connecting frame;

[0024] A support screw which is threadedly connected between the support frame and the tension end beam;

[0025] A support plate which is fixedly connected to one side of the support frame, and the connecting frame is located at the top of the support plate.

[0026] Furthermore, a rotating plate is fixedly connected to one side of the adjusting screw rod, a rotating ball is fixedly connected to the rotating plate, a positioning frame is fixedly connected to one side of the rotating plate, a positioning screw is threadedly connected between the positioning frame and the moving block, and a plurality of positioning screw holes matching the positioning screw are formed in the moving block.

[0027] Furthermore, shock pads are fixedly connected to the sides of the two control boards that are close to each other, and control grooves matching the tension rods are formed in the two shock pads.

[0028] (III) Advantageous Effects

[0029] Compared with the prior art, the present utility model provides a prestressed sleeper tension control device, which has the following advantageous effects:

[0030] 1. In the present utility model, through the cooperation of the tension end beam, the forming steel mold, the two tension boxes and the two tension rods, the tension of the prestressed sleeper can be controlled.

[0031] 2. In the present utility model, through the cooperation of the tension end beam and the two support seats, it is convenient to install the two connecting frames. Through the cooperation of the connecting frame and the pushing seat, the moving block can be pushed, so as to push the control board through the adjusting assembly, and thus the control position of the control board can be adjusted.

[0032] 3. In the present utility model, through the adjusting assembly, it is convenient to push the control board, so as to enable the control board to support and control the tension rod, thereby facilitating the reduction of the prestress deviation when the prestressed steel wire is tensioned. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 is a three-dimensional structural schematic diagram of the whole application;

[0034] Figure 2 is a structural schematic diagram of the cooperation of the connecting frame, the control board and the adjusting column of the application;

[0035] Figure 3 is a structural schematic diagram of the cooperation of the moving block, the rotating ball and the sliding block of the application;

[0036] Figure 4 is a cross-sectional structural schematic diagram of the cooperation of the adjusting cylinder, the adjusting frame and the limiting block of the application.

[0037] In the figure: 1, tension end beam; 2, forming steel mold; 3, tension rod; 4, connecting frame; 5, moving block; 6, control board; 7, adjusting screw; 8, adjusting column; 9, adjusting cylinder; 10, adjusting frame; 11, protective box; 12, electric cylinder; 13, pushing plate; 14, support frame; 15, support screw; 16, support plate; 17, rotating plate; 18, rotating ball; 19, positioning frame; 20, positioning screw; 21, shock pad; 22, sliding block; 23, limiting block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0038] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0039] Please refer to Figures 1 to 4 , a prestressed sleeper tensile force control device, including a tension end beam 1, a forming steel mold 2, a tension rod 3, a connecting frame 4, a moving block 5 and a control board 6. The forming steel mold 2 is arranged inside the tension end beam 1. There are two tension rods 3, and the two tension rods 3 are movably arranged on one side of the tension end beam 1 through two tension boxes. Through the cooperation of the tension end beam 1, the forming steel mold 2, the two tension boxes and the two tension rods 3, the tensile force of the prestressed sleeper can be controlled. There are two connecting frames 4, and the two connecting frames 4 are detachably connected to one side of the tension end beam 1 through two support seats. The moving block 5 is movably arranged on each connecting frame 4 through a pushing seat, and a moving port for the moving block 5 to move is opened on the connecting frame 4. The control board 6 is movably arranged on one side of each connecting frame 4 through an adjusting assembly. Shock pads 21 are fixedly connected to the mutually approaching sides of the two control boards 6, and control grooves matching the tension rods 3 are opened on the two shock pads 21, which can enable the control board 6 to support and control the tension rods 3, so as to reduce the prestress deviation when the prestressed steel wire is stretched.

[0040] Refer to Figure 2 , the adjusting assembly includes an adjusting screw 7, an adjusting column 8, an adjusting cylinder 9 and an adjusting frame 10. The adjusting screw 7 is rotatably connected to the adjacent moving block 5. The adjusting column 8 is threadedly connected to the adjusting screw 7, and the adjusting column 8 is fixedly connected to the control board 6. There are two adjusting cylinders 9, and the two adjusting cylinders 9 are symmetrically connected to the moving block 5. The adjusting frame 10 is slidably connected through each adjusting cylinder 9, and the adjusting frame 10 is fixedly connected to the adjusting column 8. Two sliding blocks 22 are symmetrically connected to the adjusting frame 10, and sliding grooves for the sliding blocks 22 to slide are opened on the adjusting cylinder 9, which can increase the stability of the adjusting frame 10 sliding in the adjusting cylinder 9;

[0041] By rotating the adjusting screw 7, the adjusting column 8 can be moved on one side of the connecting frame 4. At the same time, through the cooperation of the two adjusting cylinders 9 and the two adjusting frames 10, it is convenient to limit the movement of the adjusting column 8, so as to limit the movement of the control board 6, so that the control board 6 and the shock pad 21 can stably support and control the tension rod 3.

[0042] Refer to Figure 2, the pushing seat includes a protective box 11, an electric cylinder 12 and a pushing plate 13. The protective box 11 is fixedly connected to one side of the connecting frame 4. The electric cylinder 12 is installed inside the protective box 11, and the output end of the electric cylinder 12 is connected through the protective box 11. A protective opening is provided on one side of the protective box 11, and a protective plate is detachably connected at the protective opening. By opening the protective plate, the electric cylinder 12 can be repaired. The pushing plate 13 is fixedly connected between the output end of the electric cylinder 12 and the moving block 5. Two limiting blocks 23 are symmetrically connected to the moving block 5, and a limiting groove for the limiting block 23 to slide is provided on the connecting frame 4, which is convenient for increasing the sliding stability of the moving block 5 in the moving opening;

[0043] By pushing the pushing plate 13 through the electric cylinder 12, the moving block 5 can be moved in the moving opening, so that the adjusting screw 7 and the adjusting column 8 can drive the control board 6 to move, and thus the control position of the control board 6 can be adjusted.

[0044] Reference Figure 2 , the supporting seat includes a supporting frame 14, a supporting screw 15 and a supporting plate 16. The supporting frame 14 is fixedly connected to one side of the connecting frame 4. The supporting screw 15 is threadedly connected between the supporting frame 14 and the tensioning end beam 1. The supporting plate 16 is fixedly connected to one side of the supporting frame 14, and the connecting frame 4 is located at the top of the supporting plate 16;

[0045] Through the supporting plate 16, the connecting frame 4 can be stably supported. Through the supporting screw 15, the supporting frame 14 can be stably installed on the tensioning end beam 1, so as to stably install the connecting frame 4.

[0046] Reference Figure 2 , a rotating plate 17 is fixedly connected to one side of the adjusting screw 7. A rotating ball 18 is fixedly connected to the rotating plate 17. A positioning frame 19 is fixedly connected to one side of the rotating plate 17. A positioning screw 20 is threadedly connected between the positioning frame 19 and the moving block 5. A plurality of positioning screw holes matching the positioning screw 20 are provided on the moving block 5;

[0047] By rotating the rotating plate 17, the adjusting screw 7 can be rotated. When the adjusting screw 7 is rotated to a suitable position, by connecting the positioning frame 19 with the corresponding positioning screw hole through the positioning screw 20, the positioning frame 19 can be fixed on the moving block 5, so that the rotating plate 17, the adjusting screw 7 and the adjusting column 8 can be fixed.

[0048] In summary, when the prestressed sleeper tension control device needs to support and control the tension rod 3, the corresponding electric cylinder 12 is activated, so that the electric cylinder 12 moves the pushing plate 13, so as to drive the moving block 5 to drive the adjusting screw rod 7, the adjusting column 8 and the control plate 6 to move, so that the position of the control plate 6 can be adjusted. After the control plate 6 moves to a suitable position, the rotating plate 17 drives the adjusting screw rod 7 to rotate, so as to drive the adjusting column 8 to drive the control plate 6 to move, so that the control plate 6 and the shock pad 21 can support and control the tension rod 3. Then, the positioning screw 20 is rotated into the positioning frame 19 and the corresponding positioning screw holes, and the positioning frame 19 can be fixed on the moving block 5, so as to increase the stability of the support and control of the tension rod 3 by the control plate 6.

[0049] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A prestressed sleeper tensile force control device, including a tension end beam (1), characterized in that, It further includes: A forming steel mold (2), which is arranged inside the tension end beam (1); Tension rods (3), two tension rods (3) are provided, and the two tension rods (3) are movably arranged on one side of the tension end beam (1) through two tension boxes; Connecting frames (4), two connecting frames (4) are provided, and the two connecting frames (4) are detachably connected to one side of the tension end beam (1) through two support seats; Moving blocks (5), the moving blocks (5) are movably arranged on each connecting frame (4) through a pushing seat, and a moving opening for the moving block (5) to move is provided on the connecting frame (4); Control plates (6), the control plates (6) are movably arranged on one side of each connecting frame (4) through an adjusting assembly.

2. The prestressed sleeper tensile force control device according to claim 1, characterized in that, The adjusting assembly includes: Adjusting screws (7), the adjusting screws (7) are rotatably connected to the adjacent moving blocks (5); Adjusting columns (8), the adjusting columns (8) are threadedly connected to the adjusting screws (7), and the adjusting columns (8) are fixedly connected to the control plates (6); Adjusting cylinders (9), two adjusting cylinders (9) are provided, and the two adjusting cylinders (9) are symmetrically connected to the moving blocks (5); Adjusting frames (10), the adjusting frames (10) are slidably connected through each adjusting cylinder (9), and the adjusting frames (10) are fixedly connected to the adjusting columns (8).

3. The prestress sleeper tensile force control device according to claim 2, characterized in that, The pushing seat includes: A protective box (11), the protective box (11) is fixedly connected to one side of the connecting frame (4); An electric cylinder (12), the electric cylinder (12) is installed inside the protective box (11), and the output end of the electric cylinder (12) penetrates through the protective box (11); A pushing plate (13), the pushing plate (13) is fixedly connected between the output end of the electric cylinder (12) and the moving block (5).

4. A prestressed sleeper tensile force control device according to claim 3, characterized in that, The support seat includes: A support frame (14), the support frame (14) is fixedly connected to one side of the connecting frame (4); Support screws (15), the support screws (15) are threadedly connected between the support frame (14) and the tension end beam (1); A support plate (16), the support plate (16) is fixedly connected to one side of the support frame (14), and the connecting frame (4) is located at the top of the support plate (16).

5. The prestressed sleeper tensile force control device according to claim 4, characterized in that, One side of the adjusting screw (7) is fixedly connected with a rotating plate (17), a rotating ball (18) is fixedly connected to the rotating plate (17), a positioning frame (19) is fixedly connected to one side of the rotating plate (17), a positioning screw (20) is threadedly connected between the positioning frame (19) and the moving block (5), and a plurality of positioning screw holes matching the positioning screws (20) are provided on the moving block (5).

6. The prestressed sleeper tensile force control device according to claim 5, characterized in that, Shock pads (21) are fixedly connected to the mutually approaching sides of the two control plates (6), and control grooves matching the tension rods (3) are provided on the two shock pads (21).

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