Lifting structure for mounting steel ladder in indoor narrow space

Abstract

The utility model discloses a lifting structure for mounting a steel ladder in an indoor narrow space. The lifting structure comprises a lifting device and a cable-stayed device, a through hole is formed in a floor on the upper layer of the to-be-installed steel ladder, the lifting device is installed above the through hole, and a lifting rope of the lifting device penetrates through the through hole to be connected with the to-be-installed steel ladder. The cable-stayed device is installed on the side, away from the steel ladder, of the reserved stairway opening of the upper floor, and the cable-stayed device is connected with the steel ladder to be installed. Holes are formed in the floor slab of the upper floor of the floor where the steel ladder is located, the lifting device is installed on the upper floor to complete lifting of the steel ladder, then the cable-stayed device is installed on the side, away from the steel ladder, of the reserved stairway opening, the steel ladder can be placed in place conveniently after being lifted, lifting can be completed without large lifting equipment, and the lifting efficiency is improved. And under the condition that the space is limited, the heavy-weight steel ladder can be quickly mounted.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a lifting structure used for installing a steel ladder in a narrow indoor space. Background Art

[0002] In construction, the traditional installation of prefabricated steel ladders is to install lifting rings on the steel ladder, then use large-scale lifting equipment to lift the steel ladder, and cooperate with manual calibration to complete the installation of the steel ladder.

[0003] However, in some projects, due to construction requirements, it is impossible to install all the steel ladders in the early stage. Therefore, the early construction is to fix and install a part of the steel ladder first, and the other half of the steel ladder is stacked on the installed steel ladder. However, in the subsequent construction, the surrounding buildings have been completed, and the other half of the steel ladder needs to be installed in a relatively small room. Large lifting equipment cannot enter the room to lift this part of the steel ladder. In the absence of large lifting equipment, the construction difficulty is very high. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model designs a lifting structure for installing a steel ladder in a narrow indoor space, comprising: a lifting device and an inclined-stayed device; a through hole is provided on the floor slab of the upper layer of the steel ladder to be installed, the lifting device is installed above the through hole, and the lifting rope of the lifting device passes through the through hole and is connected to the steel ladder to be installed; the inclined-stayed device is installed on the side of the reserved staircase opening of the upper layer of the floor slab away from the steel ladder, and the inclined-stayed device is connected to the steel ladder to be installed.

[0005] Preferably, a hole protection piece is provided in the through hole, and a lifting rope of the lifting device passes through the hole protection piece and is connected to the steel ladder to be installed.

[0006] Preferably, the hole protection member comprises: a first fixing member and a semicircular protection member; wherein the first fixing member is fixed on the through hole; and the semicircular protection member is fixedly arranged below the first fixing member.

[0007] Preferably, an edge guard is provided on the side of the reserved staircase opening of the upper floor slab close to the steel ladder, and the edge guard is fixedly installed on the edge of the floor slab.

[0008] Preferably, the edge protection member comprises: a second fixing member, a connecting member and a protection rotating shaft; wherein the second fixing member is fixedly installed on the edge of the floor; and the protection rotating shaft is installed at the bottom of the second fixing member through the connecting member.

[0009] Preferably, there are multiple lifting devices, and the number is at least 6.

[0010] Preferably, an auxiliary lifting device is provided on the side of the reserved staircase opening of the upper floor slab close to the steel ladder, and the auxiliary lifting device is connected to the steel ladder to be installed.

[0011] Compared with the closest prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model opens a hole on the floor slab of the upper floor where the steel ladder is located, installs a lifting device on the upper floor to complete the lifting of the steel ladder, and then installs an inclined-stayed device on the side of the reserved staircase away from the steel ladder, so that the steel ladder is conveniently put into place after lifting, and the lifting can be completed without large-scale lifting equipment. Under the condition of limited space, the heavy-weight steel ladder can be quickly installed.

[0013] 2. The hole guard and the edge guard of the utility model can reduce friction. In the process of lifting the steel ladder, the lifting rope is prevented from damaging the floor slab of the upper layer, thereby ensuring the construction quality.

[0014] 3. During the lifting process of the steel ladder, if the pulling force is insufficient due to the large angle between the lifting device and the steel ladder, an auxiliary lifting device can be arranged on the side of the reserved staircase close to the steel ladder. The auxiliary lifting device can play a major load-bearing role at this time, ensuring construction safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the lifting structure of the utility model.

[0016] Figure 2 It is a structural schematic diagram of the hole protection member of the utility model.

[0017] Figure 3 It is a structural schematic diagram of the edge protection member of the utility model.

[0018] Reference numerals:

[0019] 1- steel ladder to be installed, 2- floor, 3- through hole, 4- hole protection piece, 41- first fixing piece, 42- semicircular protection piece, 5- side protection piece, 51- second fixing piece, 52- connecting piece, 53- protection shaft, 6- lifting device, 7- inclined pull device, 8- lifting rope. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] Example 1

[0022] like Figure 1-Figure 3As shown, the utility model provides a lifting structure for installing a steel ladder in a narrow indoor space, including: a lifting device 6 and an inclined-staying device 7; a through hole 3 is provided on the floor slab 2 of the upper layer of the steel ladder 1 to be installed, the lifting device 6 is installed above the through hole 3, and the lifting rope 8 of the lifting device 6 passes through the through hole 3 and is connected to the steel ladder 1 to be installed; the inclined-staying device 7 is installed on the side of the reserved staircase of the upper floor slab 2 away from the steel ladder, and the inclined-staying device 7 is connected to the steel ladder 1 to be installed. By opening a hole on the floor slab of the upper layer of the floor where the steel ladder is located, by installing the lifting device on the upper layer to complete the lifting of the steel ladder, and then by installing the inclined-staying device on the side of the reserved staircase away from the steel ladder, it is convenient to put the steel ladder into place after lifting, and the lifting can be completed without large-scale lifting equipment. In the case of limited space, the heavy-weight steel ladder can be quickly installed.

[0023] In a preferred embodiment, a hole protection member 4 is provided in the through hole 3, and a lifting rope 8 of a lifting device 6 passes through the hole protection member 4 and is connected to the steel ladder 1 to be installed.

[0024] In a preferred embodiment, the hole protection member 4 includes: a first fixing member 41 and a semicircular protection member 42 ; wherein the first fixing member 41 is fixed on the through hole 3 ; and the semicircular protection member 42 is fixedly disposed below the first fixing member 41 .

[0025] In a preferred embodiment, an edge guard 5 is provided on a side of a reserved staircase opening of the upper floor 2 close to the steel ladder, and the edge guard 5 is fixedly installed on the edge of the floor 2 .

[0026] In a preferred embodiment, the edge protection member 5 includes: a second fixing member 51, a connecting member 52 and a protection shaft 53; wherein the second fixing member 51 is fixedly mounted on the edge of the floor 2; and the protection shaft 53 is mounted on the bottom of the second fixing member 51 through the connecting member 52. The hole protection member and the edge protection member are arranged, and both the hole protection member and the edge protection member can play a role in reducing friction. In the process of hoisting the steel ladder, the lifting rope is prevented from damaging the floor of the upper layer, thereby ensuring the construction quality.

[0027] In a preferred embodiment, there are multiple lifting devices 6, and the number is at least 6.

[0028] In a preferred embodiment, an auxiliary lifting device is provided on the side of the reserved staircase of the upper floor 2 close to the steel ladder, and the auxiliary lifting device is connected to the steel ladder 1 to be installed. During the lifting process of the steel ladder, if the pulling force is insufficient due to the large angle between the lifting device and the steel ladder, an auxiliary lifting device can be provided on the side of the reserved staircase close to the steel ladder, and the auxiliary lifting device can play a major load-bearing role at this time, ensuring construction safety.

[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention to be approved.

Claims

1. A lifting structure for installing a steel ladder in a narrow indoor space, characterized in that: include: A lifting device (6) and a diagonal pull device (7); A through hole (3) is provided on the floor slab (2) of the upper layer where the steel ladder (1) is to be installed. The lifting device (6) is installed above the through hole (3), and the lifting rope (8) of the lifting device (6) passes through the through hole (3) and is connected to the steel ladder (1) to be installed; The inclined-stayed device (7) is installed on a side of a reserved stair opening of the upper floor slab (2) away from the steel ladder, and the inclined-stayed device (7) is connected to the steel ladder (1) to be installed.

2. The lifting structure for installing a steel ladder in a narrow indoor space as claimed in claim 1, characterized in that: A hole protection piece (4) is provided in the through hole (3), and a lifting rope (8) of the lifting device (6) passes through the hole protection piece (4) and is connected to the steel ladder (1) to be installed.

3. The lifting structure for installing a steel ladder in a narrow indoor space as claimed in claim 2, characterized in that: The hole protection member (4) comprises: a first fixing member (41) and a semicircular protection member (42); Wherein, the first fixing member (41) is fixed on the through hole (3); The semicircular protective member (42) is fixedly arranged below the first fixing member (41).

4. The lifting structure for installing a steel ladder in a narrow indoor space as claimed in claim 1, characterized in that: An edge guard (5) is provided on a side of the reserved staircase opening of the upper floor slab (2) close to the steel ladder, and the edge guard (5) is fixedly mounted on the edge of the floor slab (2).

5. The lifting structure for installing a steel ladder in a narrow indoor space as claimed in claim 4, characterized in that: The edge protection member (5) comprises: a second fixing member (51), a connecting member (52) and a protection rotating shaft (53); Wherein, the second fixing member (51) is fixedly installed on the edge of the floor slab (2); The protective rotating shaft (53) is mounted on the bottom of the second fixing member (51) via the connecting member (52).

6. The lifting structure for installing a steel ladder in a narrow indoor space as claimed in claim 1, characterized in that: The number of the lifting devices (6) is multiple, and the number is at least 6.

7. The lifting structure for installing a steel ladder in a narrow indoor space as claimed in claim 1, characterized in that: An auxiliary lifting device is also provided on the side of the reserved staircase opening of the upper floor slab (2) close to the steel ladder, and the auxiliary lifting device is connected to the steel ladder (1) to be installed.

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