Protective device for exposed steel bars
A protective device and steel bar technology, which is applied in the processing of building materials, construction, building construction, etc., can solve the problem that the mortar cannot be reused, and achieve the effect of improving the sealing performance and reducing the occurrence of corrosion
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Embodiment 1
[0045] refer to figure 2 and image 3 , a protective device for exposed steel bars includes a base 1 , a first sealing ring 2 , a vacuum pump 3 , a detection assembly 4 and a sealing cover 5 .
[0046] refer to image 3 and Figure 4 , the base 1 is disc-shaped, the axis of the base 1 is set vertically, the top wall of the base 1 is coaxially penetrated with a through hole 11 along the vertical direction; the inner wall of the through hole 11 is welded with a drying box 111, and the side wall of the drying box 111 is penetrated and opened There are multiple drying holes 1111, and a desiccant 1112 is placed in the drying box 111. In this embodiment, the desiccant 1112 is a quicklime desiccant. In other embodiments, the desiccant 1112 can also be a silica gel desiccant.
[0047] refer to image 3 , the top wall of the base 1 is provided with two ventilation holes 12, and the ventilation holes 12 communicate with the through hole 11. The inner wall is threadedly connected; wh...
Embodiment 2
[0053] refer to Figure 5 The difference between this embodiment and Embodiment 1 is that the sealing cover 5 is different, and the sealing cover 5 includes three splicing retaining rings 53 .
[0054] refer to Figure 5 , the splicing retaining ring 53 is cylindrical with a vertical axis, the splicing retaining ring 53 is coaxially arranged with the base 1, the three splicing retaining rings 53 are distributed along the vertical direction, and the top wall of the splicing retaining ring 53 far away from the base 1 is welded with an end Cover 531, end cover 531 will be away from the top of splicing retaining ring 53 of base 1 and close, end cover 531 top is welded with counterweight 5311, the material of counterweight 5311 is iron in the present embodiment, and the weight of counterweight 5311 is 1Kg.
[0055] refer to Figure 5 and Figure 6 One end of the splicing retaining ring 53 close to the base 1 is provided with an annular groove 532, the annular groove 532 is coax...
Embodiment 3
[0063] refer to Figure 8 and Figure 9 The difference between this embodiment and Embodiment 2 is that the driver 62 is different. In this embodiment, the driver 62 includes a stud 624 and a handle 625, and the side wall of the splicing retaining ring 53 is provided with a screw hole 536, and the stud One end of 624 is welded with the insertion rod 61, and the other end passes through the screw hole 536 and extends to the outside of the splicing retaining ring 53. The stud 624 is threadedly connected with the screw hole 536, and the handle 625 is welded to the end of the stud 624 away from the insertion rod 61. .
[0064] The implementation principle of Embodiment 2 is: when in use, the personnel holds the handle 625 and turns the handle 625, while turning the handle 625 drives the stud 624 and the insertion rod 61 to rotate synchronously, because the stud 624 is threadedly connected in the screw hole 536 Therefore, during the process of rotating the stud 624, the stud 624 ...
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