Rail transit prefabricated top beam connecting steel bar protective sleeve

Abstract

The utility model discloses a rail transit prefabricated top beam connecting reinforcing steel bar protective sleeve which comprises a binding belt, a telescopic reinforcing steel bar protective sleeve and a fixator at the end of the telescopic reinforcing steel bar protective sleeve. The binding belt is arranged in a channel at the end part of the telescopic reinforcing steel bar protective sleeve, and the telescopic reinforcing steel bar protective sleeve is fixed on the fixer by tightening the binding belt so as to ensure the leakproofness of the protective space; the fixer consists of a fixer upper half part at the end part of the telescopic reinforcing steel bar protective sleeve, a rubber sealing ring in the fixer at the end part of the telescopic reinforcing steel bar protective sleeve, a fixer lower half part at the end part of the telescopic reinforcing steel bar protective sleeve and a fastening bolt; according to the method, the connecting steel bars are protected in the splicing, construction and recycling processes of the recoverable rail transit prefabricated top beam structure, the problem of concrete pollution caused by the fact that the connecting steel bars of the recoverable rail transit prefabricated top beam are affected by construction is solved, and the recycling value of the recoverable rail transit prefabricated top beam is effectively protected.

Description

TECHNICAL FIELD

[0001] The utility model belongs to rail transit prefabricated crown beam structure assembly, construction technical field, concretely relates to a rail transit prefabricated crown beam connecting reinforcing steel protection sleeve. BACKGROUND

[0002] The recyclable rail transit prefabricated crown beam connecting process is made by cast-in-place construction mode, and the connecting reinforcing steel and reinforcing steel connector are usually not protected, so that the connecting reinforcing steel and reinforcing steel connector cannot be effectively protected when the rail transit prefabricated crown beam is dismantled and recycled, and the reuse of the rail transit prefabricated crown beam is affected.The use of the rail transit prefabricated crown beam connecting reinforcing steel protection sleeve effectively protects the recycling value of the rail transit prefabricated crown beam. SUMMARY

[0003] The utility model aims at providing a rail transit prefabricated crown beam connecting reinforcing steel protection sleeve to solve the problems in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A rail transit prefabricated crown beam connecting reinforcing steel protection sleeve, comprising: a cable tie, a telescopic reinforcing steel protection sleeve, and a fixer at the end of the telescopic reinforcing steel protection sleeve; wherein,

[0006] The cable tie is arranged in the channel at the end of the telescopic reinforcing steel protection sleeve, and the telescopic reinforcing steel protection sleeve is fixed on the fixer by tightening the cable tie to ensure the airtightness of the protection space.

[0007] The fixer is composed of a fixer upper half at the end of the telescopic reinforcing steel protection sleeve, a rubber sealing ring inside the fixer at the end of the telescopic reinforcing steel protection sleeve, a fixer lower half at the end of the telescopic reinforcing steel protection sleeve, and a fastening bolt; the fixer upper half and the fixer lower half are connected by the fastening bolt, and the rubber sealing ring is arranged between the fixer upper half and the fixer lower half.

[0008] Compared with the prior art, the utility model has the advantages of:

[0009] The application realizes the protection of the connecting reinforcing steel during the assembly, construction, and recycling of the recyclable rail transit prefabricated crown beam structure, effectively protects the recyclable rail transit prefabricated crown beam from concrete pollution caused by construction, and effectively protects the recycling value of the recyclable rail transit prefabricated crown beam. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1The utility model discloses a connecting structure diagram of cable tie and telescopic reinforcing steel bar protection sleeve.

[0011] Figure 2 The utility model discloses a structure diagram of fixer.

[0012] Figure 3 The utility model discloses a structure diagram of protection sleeve pipe use state.

[0013] In the drawing: cable tie 1, telescopic reinforcing steel bar protection sleeve 2, fixer upper half 3, rubber sealing ring 4, fixer lower half 5, fastening bolt 6, fixer 7, reinforcing steel bar adapter 8, rail transit prefabricated crown beam 9. DETAILED DESCRIPTION

[0014] In order to more clearly explain the whole idea of the utility model, the following in conjunction with the drawing of the specification is explained in the way of example in detail.

[0015] It is stated that in the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description, therefore, the protection scope of the utility model is not limited by the following disclosed specific embodiments.

[0016] Please refer to the accompanying Figure 1 to the accompanying Figure 2 The utility model provides a rail transit prefabricated crown beam connecting reinforcing steel bar protection sleeve pipe, which comprises a cable tie 1, a telescopic reinforcing steel bar protection sleeve 2 and a fixer 7 at the end of the telescopic reinforcing steel bar protection sleeve, wherein

[0017] The cable tie 1 is arranged in the channel at the end of the telescopic reinforcing steel bar protection sleeve 2, and the telescopic reinforcing steel bar protection sleeve 2 is fixed on the fixer 7 by tightening the cable tie 1, so as to ensure the airtightness of the protection space.

[0018] The fixer 7 is composed of a fixer upper half 3 at the end of the telescopic reinforcing steel bar protection sleeve, a rubber sealing ring 4 inside the fixer at the end of the telescopic reinforcing steel bar protection sleeve, a fixer lower half 5 at the end of the telescopic reinforcing steel bar protection sleeve and a fastening bolt 6; the fixer upper half 3 and the fixer lower half 5 are connected through the fastening bolt 6, and the rubber sealing ring 4 is arranged between the fixer upper half 3 and the fixer lower half 5.

[0019] The cable tie 1 of the application is a disposable consumable material for fixing the crown beam main reinforcement in the steel reinforcement protective sleeve. The telescopic steel reinforcement protective sleeve 2 is a disposable consumable material for protecting the crown beam main reinforcement and the steel reinforcement connector. The two ends are softened and have grooves matched with the cable tie 1. After the cable tie 1 is tightened, the protection space is ensured to be airtight, thereby ensuring that the crown beam main reinforcement and the steel reinforcement connector are not polluted by later grouting. The problem of concrete pollution caused by the influence of construction on the recycled precast concrete structure connecting steel reinforcement is solved, and the recycling value of the precast concrete structure is effectively protected.

[0020] The upper half 3 of the telescopic steel reinforcement protective sleeve end fixing device and the lower half 5 of the telescopic steel reinforcement protective sleeve end fixing device are connected by a fastening bolt 6, and an internal telescopic steel reinforcement protective sleeve end fixing device internal rubber sealing ring 4 is arranged inside to form a telescopic steel reinforcement protective sleeve end fixing device 7, which is a fixing device for the two ends of the telescopic steel reinforcement protective sleeve 2.

[0021] The telescopic steel reinforcement protective sleeve end fixing device internal rubber sealing ring 4 is arranged inside the telescopic steel reinforcement protective sleeve end fixing device 7 and plays a sealing role to ensure the airtightness of the protection space, thereby ensuring that the precast crown beam main reinforcement and the steel reinforcement connector are not polluted by later grouting. The problem of concrete pollution caused by the influence of construction on the recycled track precast crown beam connecting steel reinforcement is solved, and the recycling value of the track precast crown beam is effectively protected.

[0022] The fastening bolt 6 is a material that combines the upper half 3 of the telescopic steel reinforcement protective sleeve end fixing device and the lower half 5 of the telescopic steel reinforcement protective sleeve end fixing device.

[0023] Preferably, the cable tie 1 in the application is a commonly used fastening consumable, and other items or equipment can be used as substitutes, such as metal clamps, ropes, and other fastening tools, which are still within the protection scope of the patent.

[0024] Preferably, the telescopic steel reinforcement protective sleeve 2 is an upgrade of the corrugated pipe, which mainly provides a fixed binding position for the cable tie 1 and forms a sealed space. The outer shape or form can be changed, such as changing the round sleeve to a square sleeve or changing the material to a flexible material, which is still within the protection scope of the patent.

[0025] The telescopic steel reinforcement protective sleeve end fixing device 7 mainly provides a fixed sealing support for the telescopic steel reinforcement protective sleeve 2. The material and shape can be changed, such as changing the material to plastic or changing the shape to a square, which is still within the protection scope of the patent.

[0026] The device can be changed to other application scenarios, such as changing the precast crown beam to a precast pile, without changing the actual function of the device, which is still within the protection scope of the patent.

[0027] Please refer to the attached Figure 3 As shown in the figure, in use, first, two fixers 7 are respectively installed at the positions where the steel bars and the steel bar connectors 8 are connected with the rail transit prefabricated crown beams 9 on both sides, then the end of the stretchable steel bar protection sleeve 2 with the cable tie 1 is connected and fixed with one of the fixers 7 before the two steel bars are connected by the steel bar connector 8, then the steel bar connector 8 connects the two steel bars together, finally, the stretchable steel bar protection sleeve 2 is pulled through the steel bar and the steel bar connector 8 and fixed with the other fixer, thereby completing the protection of the rail transit prefabricated crown beam connecting steel bars and steel bar connectors.

[0028] Compared with the prior art, the beneficial technical effects of the utility model mainly include:

[0029] 1. Fast installation speed, simple cable tie operation, strong sleeve stretchability and low cost.

[0030] 2. High airtightness, good steel bar protection effect, good protection of the steel bars and the connectors in the two stages of pouring and breaking the concrete, and effective protection of the recycling value of the rail transit prefabricated crown beam.

[0031] 3. Strong universality, suitable for all scenes of rail transit prefabricated crown beam assembly application requiring recycling.

[0032] Those skilled in the art will understand that the discussion of the above any embodiment is only exemplary and is not intended to imply that the scope (including claims) of the utility model is limited to these examples; under the idea of the utility model, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the utility model as described above, which are not provided in details for the sake of brevity.

[0033] The utility model aims to cover all such alternatives, modifications and variations falling within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. made in the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A rail transit prefabricated crown beam connecting steel reinforcement protection sleeve, characterized in that, The utility model relates to a kind of flexible reinforcing bar protection sleeve and fixing device, including: Binding strap (1), flexible reinforcing bar protection sleeve (2) and the fixer (7) of flexible reinforcing bar protection sleeve end;Wherein, The binding strap (1) is arranged in the channel of the end of the flexible reinforcing bar protection sleeve (2), and the flexible reinforcing bar protection sleeve (2) is fixed on the fixer (7) by tightening the binding strap (1), to ensure the airtightness of the protection space; The fixer (7) is composed of the upper half (3) of the fixer at the end of the flexible reinforcing bar protection sleeve, the rubber sealing ring (4) inside the fixer at the end of the flexible reinforcing bar protection sleeve, the lower half (5) of the fixer at the end of the flexible reinforcing bar protection sleeve and the fastening bolt (6);The upper half (3) of the fixer and the lower half (5) of the fixer are connected by the fastening bolt (6), and the rubber sealing ring (4) is arranged between the upper half (3) of the fixer and the lower half (5) of the fixer.

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