Prestressed prefabricated T-beam construction device

Abstract

The utility model relates to a prestressed prefabricated T-beam construction device which comprises a full-automatic movable hydraulic formwork, a T-beam pedestal, a steel formwork, a steel reinforcement framework and concrete. The full-automatic movable hydraulic formworks are symmetrically fixed to the two sides of the T-beam pedestal, and the steel formworks are arranged on the inner sides of the full-automatic movable hydraulic formworks. The device has the advantages that the bottom pull rod and the top pull rod are used for fixing and tying the full-automatic movable hydraulic formworks on the two sides, then the steel formwork of the T-shaped beam is fixed, and the concrete pouring quality and safety of the prefabricated T-shaped beam are improved; the embedded steel plate gradient bidirectional adjusting device is adopted, the position and angle of the upper steel plate are adjusted through the adjusting screw rod, the installation position of the beam bottom steel plate is accurately adjusted, and the installation and positioning accuracy of the beam bottom steel plate is improved; the position of the tensioning jack is adjusted through a prestress tensioning support, and a lifting support and a limiting wooden wedge are arranged in the middle of the prestress tensioning support to support the tensioning jack.

Description

TECHNICAL FIELD

[0001] The utility model relates to civil engineering field especially including a kind of prestressed prefabricated T beam construction device. BACKGROUND

[0002] At present, due to the needs of energy conservation and environmental protection and green development, bridge prefabricated assembly technology has been widely promoted. As a common bridge type in bridge construction, T beam, in-depth study of its corresponding prefabricated assembly technology has important theoretical value and practical value. Prefabricated segment T beam can be mass-produced, industrialized, streamlined and standardized, and transportation, matching installation and construction also become more convenient, which is more suitable for rapid construction of urban bridges.

[0003] However, the conventional T beam prefabrication construction method has the disadvantages of low template installation construction efficiency, poor concrete pouring and prestressed tension safety, etc. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the deficiencies in the prior art, and provides a prestressed prefabricated T beam construction device.

[0005] The prestressed prefabricated T beam construction device comprises a full-automatic mobile hydraulic formwork, a T beam pedestal, a steel formwork, a steel reinforcement framework and concrete; the full-automatic mobile hydraulic formwork is fixed symmetrically on both sides of the T beam pedestal, and the steel formwork is arranged inside the full-automatic mobile hydraulic formwork.

[0006] The T beam pedestal is provided with the steel reinforcement framework, the steel reinforcement framework is provided with the full-automatic mobile hydraulic formwork outside, the lower part of the full-automatic mobile hydraulic formwork is provided with traveling wheels, the full-automatic mobile hydraulic formwork is sequentially provided with outer columns, middle columns and inner columns from outside to inside, the position of the steel formwork is positioned and adjusted by the jacks, adjusting wedges and fixed supporting blocks arranged horizontally on the inner columns, the upper part of the full-automatic mobile hydraulic formwork is provided with a concrete pouring platform, and the T beam is formed by pouring concrete inside the full-automatic mobile hydraulic formwork.

[0007] Preferably, the outer side of the upper part of the T beam pedestal is provided with an edge channel steel and a foam grout stopping strip for sealing treatment of the steel formwork.

[0008] Preferably, the upper part of the T beam pedestal is provided with a pre-embedded steel plate slope two-way adjusting device, the lower part of the pre-embedded steel plate slope two-way adjusting device is provided with a lower steel plate and a lower sleeve, the upper part of the pre-embedded steel plate slope two-way adjusting device is provided with an upper steel plate and an upper sleeve, and the position and angle of the upper steel plate are adjusted by an adjusting screw rod arranged in the middle of the pre-embedded steel plate slope two-way adjusting device.

[0009] As preferred, the prestress tensioning support for T-beam prestress tensioning is also included, the prestress tensioning support comprises a bottom crossbeam, a walking wheel, an outer column and a lifting crossbeam, a lifting support and a limiting wedge are arranged in the middle of the prestress tensioning support to support the tensioning jack, and a winch and a steel wire rope are arranged on the lifting crossbeam to adjust the position of the lifting support.

[0010] As preferred, the full-automatic mobile hydraulic formwork is symmetrically arranged on the left and right sides of the T-beam, a reserved steel sleeve is horizontally arranged on the T-beam pedestal, a bottom pull rod is arranged in the reserved steel sleeve and used for fixing the full-automatic mobile hydraulic formwork on the left and right sides of the T-beam, and a top pull rod is arranged on the upper part of the outer column on the left and right sides of the full-automatic mobile hydraulic formwork.

[0011] The beneficial effects of the utility model are as follows:

[0012] 1) The utility model adopts the bottom pull rod and the top pull rod to fix and pull the full-automatic mobile hydraulic formwork on the two sides, and then fixes the steel formwork of the T-beam, improves the quality and safety of the prefabricated T-beam concrete pouring.

[0013] 2) The utility model adopts the pre-buried steel plate slope two-way adjusting device, adjusts the position and angle of the upper steel plate through the adjusting screw, accurately adjusts the installation position of the beam bottom steel plate, and improves the installation positioning precision of the beam bottom steel plate.

[0014] 3) The utility model adopts the prestress tensioning support to adjust the position of the tensioning jack, the lifting support and the limiting wedge are arranged in the middle of the prestress tensioning support to support the tensioning jack, the winch and the steel wire rope are arranged on the lifting crossbeam to adjust the position of the lifting support, and the construction efficiency of the T-beam prestress tensioning is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a prestress prefabricated T-beam construction structure diagram;

[0016] Figure 2 It is a T-beam pedestal structure diagram;

[0017] Figure 3 It is a pre-buried steel plate slope two-way adjusting device structure diagram;

[0018] Figure 4 It is a prestress tensioning support structure diagram.

[0019] Explanation of reference numerals in the attached drawings: 1. Fully automatic mobile hydraulic formwork; 2. External column; 3. Attached vibrator; 4. Distribution beam; 5. Bottom beam; 6. Traveling wheel; 7. Bottom tie rod; 8. Reserved steel sleeve; 9. T-beam platform; 10. Middle column; 11. Adjusting wedge; 12. Fixed support block; 13. Jack; 14. Top beam; 15. Fixing bolt; 16. Shim; 17. T-beam; 18. Inner column; 19. Top tie rod; 20. Steel formwork; 21. Side channel steel; 22. Foam grout-stopping strip; 23. Embedded steel plate slope bidirectional adjustment device; 24. Lower steel plate; 25. Lower sleeve; 26. Adjusting screw; 27. Upper steel plate; 28. Upper sleeve; 29. ​​Prestressed tensioning bracket; 30. Steel wire rope; 31. Lifting bracket; 32. Limiting wooden wedge; 33. Tensioning jack; 34. Steel strand; 35. Prestressed duct; 36. Winch; 37. Lifting beam; 38. Reinforcing steel cage; 39. Concrete; 40. Concrete pouring platform. Detailed Implementation

[0020] The present invention will be further described below with reference to embodiments. The description of the embodiments below is only for the purpose of helping to understand the present invention. It should be noted that, for those skilled in the art, several modifications can be made to the present invention without departing from the principle of the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

[0021] As one example, such as Figures 1 to 4 As shown, this prestressed precast T-beam construction device mainly includes a fully automatic mobile hydraulic formwork 1, an attached vibrator 3, traveling wheels 6, a bottom tie rod 7, a reserved steel sleeve 8, a T-beam platform 9, an adjusting wedge 11, a fixed support block 12, a jack 13, a T-beam 17, a top tie rod 19, a steel formwork 20, a steel reinforcement cage 38, and concrete 39.

[0022] like Figure 1 As shown, the fully automatic mobile hydraulic formwork 1 is symmetrically fixed on both sides of the T-beam platform 9, and the steel formwork 20 is set inside the fully automatic mobile hydraulic formwork 1. The fully automatic mobile hydraulic formwork 1 is symmetrically set on the left and right sides of the T-beam 17. A reserved steel sleeve 8 is horizontally set on the T-beam platform 9, and a bottom tie rod 7 is installed through the reserved steel sleeve 8 to fix the fully automatic mobile hydraulic formwork 1 on the left and right sides of the T-beam 17. A top tie rod 19 is set on the upper part of the outer columns 2 on both sides of the fully automatic mobile hydraulic formwork 1 for connection.

[0023] For prestressed prefabricated T-beam 17 construction, install reinforcing cage 38 on T-beam pedestal 9, install full-automatic mobile hydraulic formwork 1 outside reinforcing cage 38, set bottom cross beam 5 and traveling wheel 6 at lower part of full-automatic mobile hydraulic formwork 1, set outer vertical column 2, middle vertical column 10, inner side vertical column 18, distribution cross beam 4 and top cross beam 14 at middle part of full-automatic mobile hydraulic formwork 1, set reserved steel sleeve 8 on T-beam pedestal 9, set bottom tie rod 7 at middle part of full-automatic mobile hydraulic formwork 1 for fixing, set jack 13, adjusting wedge 11 and fixed support block 12 on full-automatic mobile hydraulic formwork 1 for positioning and adjusting position of steel formwork 20, set top tie rod 19, fixed bolt 15 and gasket 16 on upper part of full-automatic mobile hydraulic formwork 1 for fixing outer vertical column 2, set concrete pouring platform 40 on upper part of full-automatic mobile hydraulic formwork 1, and pour concrete 39 in inner side of full-automatic mobile hydraulic formwork 1 to form T-beam 17.

[0024] As shown in Figure 2 , set side channel steel 21 and foam gasket strip 22 on outer side of upper part of T-beam pedestal 9 for sealing treatment of steel formwork 20.

[0025] As shown in Figure 3 , set embedded steel plate slope two-way adjusting device 23 on upper part of T-beam pedestal 9, set lower steel plate 24 and lower sleeve 25 at lower part of embedded steel plate slope two-way adjusting device 23, set upper steel plate 27 and upper sleeve 28 at upper part of embedded steel plate slope two-way adjusting device 23, and set adjusting screw 26 at middle part of embedded steel plate slope two-way adjusting device 23 for adjusting position and angle of upper steel plate 27.

[0026] As shown in Figure 4 , use prestressed tensioning support 29 for prestressed tensioning of T-beam 17, set bottom cross beam 5, traveling wheel 6, outer vertical column 2 and lifting cross beam 37 on prestressed tensioning support 29, set lifting support 31 and limiting wooden wedge 32 at middle part of prestressed tensioning support 29 for supporting tensioning jack 33, and set winch 36 and steel wire rope 30 on lifting cross beam 37 for adjusting position of lifting support 31.

Claims

1. A prestressed precast T-beam construction device, characterized by: The full-automatic mobile hydraulic template, the T-beam pedestal, the steel template, the reinforcing cage and the concrete are included; the full-automatic mobile hydraulic template is symmetrically fixed on the two sides of the T-beam pedestal, and the steel template is arranged inside the full-automatic mobile hydraulic template; The reinforcing cage is installed on the T-beam pedestal, the full-automatic mobile hydraulic template is installed outside the reinforcing cage, the walking wheels are arranged at the lower part of the full-automatic mobile hydraulic template, the outer column, the middle column and the inner column are arranged in the full-automatic mobile hydraulic template from outside to inside, the position of the steel template is adjusted by the jacks, the adjusting wedge and the fixed support block arranged horizontally on the inner column, the concrete pouring platform is arranged at the upper part of the full-automatic mobile hydraulic template, and the T-beam is formed by pouring the concrete inside the full-automatic mobile hydraulic template.

2. The prestressed precast T-beam construction device according to claim 1, characterized in that: The side groove steel and the foam stop strip are arranged at the outer side of the upper part of the T-beam pedestal, and the steel template is sealed.

3. The prestressed precast T-beam construction device of claim 1, wherein: The embedded steel plate slope two-way adjusting device is arranged in the upper part of the T-beam pedestal, the lower steel plate and the lower sleeve are arranged at the lower part of the embedded steel plate slope two-way adjusting device, the upper steel plate and the upper sleeve are arranged at the upper part of the embedded steel plate slope two-way adjusting device, and the adjusting screw is arranged in the middle of the embedded steel plate slope two-way adjusting device to adjust the position and the angle of the upper steel plate.

4. The prestressed precast T-beam construction device of claim 1, wherein: The prestressed tensioning support for the prestressed tensioning of the T-beam is further included, the prestressed tensioning support includes the bottom beam, the walking wheel, the outer column and the lifting beam, the lifting support and the limiting wedge are arranged in the middle of the prestressed tensioning support to support the tensioning jack, and the winch and the steel wire rope are arranged on the lifting beam to adjust the position of the lifting support.

5. The prestressed precast T-beam construction device of claim 1, wherein: The full-automatic mobile hydraulic template is symmetrically arranged on the left and right sides of the T-beam, the reserved steel sleeve is horizontally arranged on the T-beam pedestal, the bottom pull rod is arranged in the reserved steel sleeve, and the full-automatic mobile hydraulic template on the left and right sides of the T-beam is fixed; the top pull rod is arranged on the upper part of the outer column on the two sides of the full-automatic mobile hydraulic template.

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