Prefabricated stair protection rapid installation device

Abstract

The utility model discloses a quick installation device for prefabricated stair protection, and belongs to the technical field of assembly type building structure auxiliary installation equipment. The prefabricated stairway comprises a prefabricated stairway, a hoisting embedded part and a plurality of bolt sleeves are arranged on the prefabricated stair; one end of the bolt sleeve extends outwards from the side part of the prefabricated stair; a positioning plate is detachably mounted at the bolt sleeve; a vertical rod is arranged on the positioning plate; a lifting lug is arranged at the upper top of the vertical rod, and a connecting rod is detachably mounted on the vertical rod; every two adjacent vertical rods on the same side of the prefabricated stair are connected through a connecting rod. The problems that a prefabricated stair structure is damaged to a certain extent when a temporary stair is used for protection conventionally, and construction temporary protection cannot be carried out in time are effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary installation equipment for prefabricated building structures, and particularly relates to a quick installation device for prefabricated stair protection. Background Technique

[0002] During the construction process of prefabricated buildings, after the prefabricated stairs are hoisted, due to the untimely connection of processes, floor operators often immediately use the prefabricated stairs as a passage between the upper and lower floors, which results in a lag in the construction of stair protection and poses a great safety hazard. Traditional protection mostly uses expansion bolts for fixation, which requires drilling holes in the prefabricated stairs, thereby affecting the structural safety of the prefabricated stairs; and this is also the technical problem to be solved in this application. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is: to provide a quick installation device for prefabricated stair protection to solve the problems of certain damage to the structure of prefabricated stairs during the use of temporary stair protection and the inability to carry out temporary construction protection in a timely manner.

[0004] To solve the above problems, the utility model provides the following technical solutions:

[0005] A quick installation device for prefabricated stair protection; it includes a prefabricated stair; hoisting embedded parts and a plurality of bolt sleeves are arranged on the prefabricated stair; one end of the bolt sleeve extends outwards from the side of the prefabricated stair; a positioning plate is detachably installed at the bolt sleeve; a vertical rod is arranged on the positioning plate; a lifting lug is arranged at the upper top of the vertical rod, and a connecting rod is also detachably installed on the vertical rod; two adjacent vertical rods on the same side of the prefabricated stair are connected by the connecting rod.

[0006] Preferably, the positioning plate is an L-shaped plate; the two end faces of the positioning plate are respectively attached to the step plane and the side plane of the prefabricated stair; the vertical rod and the bolt sleeve are respectively arranged on the two side plates of the positioning plate; and there is no interference between the positioning plate and the hoisting embedded parts.

[0007] Furthermore, a back plate is also arranged on the positioning plate; the back plate is attached to the step vertical surface of the prefabricated stair.

[0008] Furthermore, a support platform is installed at the rear side of the top surface of the positioning plate; a threaded through hole is opened on the support platform; the axis of the threaded through hole is parallel to the top surface of the positioning plate, and a threaded ejector rod is detachably installed at the threaded through hole through screw transmission; the back plate is installed at the end position on the side of the prefabricated stair step vertical surface towards which the threaded ejector rod faces; there is no interference between the threaded ejector rod and the vertical rod.

[0009] Preferably, positioning holes consistent with the size of the bolt sleeve are provided on the positioning plate; the bolt sleeve is installed on the positioning plate through fixing bolts and gaskets.

[0010] Preferably, a threaded sleeve is also installed on the positioning plate; the lower part of the vertical rod is a threaded section structure that matches the threaded sleeve.

[0011] Preferably, a communicating positioning groove and threaded hole are provided on the side wall of the vertical rod; one end of the connecting rod of the threaded hole is inserted into the positioning groove for setting; the connecting rod and the vertical rod are detachably connected through a hand-tightening bolt at the threaded hole.

[0012] Preferably, the length of the connecting rod is adjustable.

[0013] Advantages of the present utility model:

[0014] The present utility model notices that during the production process of traditional precast stairs, the bolt sleeve and the hoisting embedded parts become ineffective after the production and hoisting of the precast stairs; for this reason, a protection device is designed, which installs a positioning plate based on the two bolt sleeves on the precast stairs; and further sets up mechanisms such as connecting rods and lifting lugs for protection through the vertical rods on the positioning plate, thus constituting the protection of the precast stairs during the construction process; the present utility model has a high adaptability with the structure of the precast stairs itself; it can be installed and used without affecting the structural safety of the precast stairs, and its installation is rapid and disassembly is convenient, which can greatly improve the construction efficiency and project quality. Description of the drawings

[0015] Figure 1 is a schematic structural diagram of the present utility model in the embodiment;

[0016] Figure 2 is a downward view schematic diagram of the precast stairs in this embodiment;

[0017] Figure 3 is a side view schematic diagram of the precast stairs in this embodiment;

[0018] Figure 4 is an installation schematic diagram of the threaded rod at the support position in this embodiment;

[0019] Description of the reference numerals: 1, positioning plate; 2, threaded sleeve; 3, side plate; 4, gasket; 5, bolt; 6, vertical rod; 7, hand-tightening bolt; 8, connecting rod; 9, lifting lug; 10, bolt sleeve; 11, hoisting embedded part, 12, precast stairs, 13, support, 14, threaded rod. Detailed implementation manners

[0020] The present utility model will be further introduced below in conjunction with the drawings and specific embodiments:

[0021] Embodiment 1:

[0022] Referring to Figure 1 , this embodiment provides a rapid installation device for precast staircase protection; it includes a precast staircase 12; hoisting embedded parts 11 and a plurality of bolt sleeves 10 are arranged on the precast staircase 12; one end of the bolt sleeve 10 extends outward from the side of the precast staircase 12; a positioning plate 1 is detachably installed at the bolt sleeve 10; a vertical rod 6 is arranged on the positioning plate 1; a lifting lug 9 is arranged at the upper top of the vertical rod 6, and a connecting rod 8 is also detachably installed on the vertical rod 6; two adjacent vertical rods 6 on the same side of the precast staircase 12 are connected by the connecting rod 8.

[0023] The positioning plate 1 is an L-shaped plate; the two end faces of the positioning plate 1 are respectively attached to the step plane and the side plane of the precast staircase 12; the vertical rod 6 and the bolt sleeve 10 are respectively arranged on the two side plates of the positioning plate 1; and there is no interference between the positioning plate 1 and the hoisting embedded part 11.

[0024] A back plate 3 is also arranged on the positioning plate 1; the back plate 3 is attached to the step vertical surface of the precast staircase 12.

[0025] A positioning hole with the same size as the bolt sleeve 10 is opened on the positioning plate 1; the bolt sleeve 10 is installed on the positioning plate 1 through a fixing bolt 5 and a gasket 4.

[0026] A threaded sleeve 2 is also installed on the positioning plate 1; the lower part of the vertical rod 6 is a threaded section structure that matches the threaded sleeve 2. The vertical rod and the threaded sleeve are connected by threads

[0027] A positioning groove and a threaded hole are opened on the side wall of the vertical rod 6; one end of the connecting rod 8 of the threaded hole is inserted into the positioning groove; the connecting rod 8 and the vertical rod 6 are detachably connected through a hand-tightening bolt at the threaded hole. In this embodiment, the axis of the threaded hole is perpendicular to the extension direction of the positioning groove.

[0028] The length of the connecting rod 8 is adjustable. Considering the differences in the lengths of different staircases, the connecting rod can be set to a telescopic structure or a multi-section spliced connecting rod type.

[0029] Embodiment 2

[0030] The other structures of this embodiment are the same as those of Embodiment 1, and the main difference between the two is referred to Figure 4 , in this embodiment, a support platform 13 is installed at the rear side of the top surface of the positioning plate 1; a threaded through hole is opened on the support platform 13; the axis of the threaded through hole is parallel to the top surface of the positioning plate 1, and a threaded ejector rod 14 is detachably installed at the threaded through hole through thread transmission; the back plate 3 is installed at the end position on the side of the step vertical surface of the precast staircase 12 facing the threaded ejector rod 14; there is no interference between the threaded ejector rod 14 and the vertical rod 6.

[0031] When using the utility model device in this embodiment, after the precast stairs are hoisted, the protection device can be assembled and hoisted immediately, so that the bolt 5 is connected to the bolt sleeve 10 in place, and then the purpose of rapid installation of the stair protection can be achieved.

Claims

1. A prefabricated staircase protection quick installation device, comprising a prefabricated staircase (12); a hoisting embedded part (11) and a plurality of bolt sleeves (10) are arranged on the prefabricated staircase (12); one end of the bolt sleeve (10) protrudes outward from the side of the prefabricated staircase (12); characterized in that: A positioning plate (1) is detachably mounted on the bolt sleeve (10); a vertical pole (6) is arranged on the positioning plate (1); a lifting lug (9) is arranged on the upper top of the vertical pole (6), and a connecting rod (8) is also detachably mounted on the vertical pole (6); two adjacent vertical poles (6) on the same side of the prefabricated staircase (12) are connected via the connecting rod (8).

2. A prefabricated staircase protection quick installation device according to claim 1, characterized in that: The positioning plate (1) is an L-shaped plate; two end surfaces of the positioning plate (1) are respectively attached to the step plane and the side plane of the prefabricated staircase (12); the upright pole (6) and the bolt sleeve (10) are respectively arranged on the two side plates of the positioning plate (1); and the positioning plate (1) and the hoisting embedded parts (11) do not interfere with each other.

3. A prefabricated staircase protection quick installation device according to claim 1 or 2, characterized in that: A back plate (3) is also provided on the positioning plate (1); the back plate (3) is attached to the step facade of the prefabricated staircase (12).

4. A prefabricated staircase protection quick installation device according to claim 3, characterized in that: A support platform (13) is installed on the rear side of the top surface of the positioning plate (1); a threaded through hole is opened on the support platform (13); the axis of the threaded through hole is arranged parallel to the top surface of the positioning plate (1), and a threaded push rod (14) is detachably installed at the threaded through hole through thread transmission; the back plate (3) is installed on the threaded push rod (14) at an end position on the side of the step facade of the prefabricated staircase (12); the threaded push rod (14) does not interfere with the vertical rod (6).

5. The prefabricated staircase protection quick installation device according to claim 1 is characterized by: A positioning hole having a size consistent with that of the bolt sleeve (10) is opened on the positioning plate (1); the bolt sleeve (10) is mounted on the positioning plate (1) via a fixing bolt (5) and a gasket (4).

6. The prefabricated staircase protection quick installation device according to claim 1 is characterized by: A threaded sleeve (2) is also mounted on the positioning plate (1); the lower portion of the vertical rod (6) is a threaded section structure that matches the threaded sleeve (2).

7. The prefabricated staircase protection quick installation device according to claim 1 is characterized by: A communicating positioning groove and threaded hole are provided on the side wall of the vertical pole (6); one end of the connecting rod (8) in the threaded hole is inserted into the positioning groove for setting; the connecting rod (8) and the vertical pole (6) are detachably connected at the threaded hole by means of a hand-tightened bolt.

8. The prefabricated staircase protection quick installation device according to claim 1 is characterized by: The length of the connecting rod (8) is adjustable.

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