Special tool for installing expansion bolt suspender on lower bottom surface of roof plate

Abstract

The utility model discloses a special tool for installing an expansion bolt suspender on the lower bottom surface of a roof plate, which realizes the installation of the expansion bolt suspender on a floor plate on the ground. An L-shaped rotating handle (10) is connected to the lower end of the ejector rod (9), an upper annular plate (11) and a lower annular plate (12) are fixedly arranged on the ejector rod (9) above the L-shaped rotating handle at intervals, and a sleeve handle (13) is movably connected between the upper annular plate (11) and the lower annular plate (12) in a sleeving mode; a top end sleeve (6) is connected to the upper end of the ejector rod, a wrench sleeve (5) is fixedly connected to the upper end of the top end sleeve, the lower end of a ceiling expansion bolt (3) is inserted into the wrench sleeve and the top end sleeve (6), a nut (4) on the ceiling expansion bolt is embedded and clamped into the wrench sleeve (5), and the upper end of the ceiling expansion bolt (3) is inserted into an expansion bolt insertion hole (2); the risk of climbing operation is avoided, and the installation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a drilling tool, in particular to a special tool for installing expansion bolt suspender on the lower bottom surface of the floor slab. BACKGROUND

[0002] In modern civil buildings and industrial buildings, a large number of cable bridges, air conditioning ducts and other indoor equipment are provided, and the cable bridges and air conditioning ducts are generally hung and arranged below the floor slab, and the installation needs to be performed after the installation of the equipment hanger, the root point of the hanger is arranged on the floor slab, and the hanger is hung on the floor slab through the ceiling expansion bolt, the floor slab is high, and a large amount of time and manpower is consumed for the installation of the hanger; in the prior art, the ceiling expansion bolt is inserted into the hole punched in advance, and the installation of the ceiling expansion bolt is completed by rotating the fixing nut on the ceiling expansion bolt; this construction method has the defects that the scaffold on the ground needs to be frequently moved along with the installation position, a lot of time and manpower are consumed, and there is a great safety hazard in high-altitude operation. SUMMARY

[0003] The utility model provides a special tool for installing expansion bolt suspender on the lower bottom surface of the floor slab, realizes the installation of the expansion bolt suspender on the floor slab on the ground.

[0004] The utility model solves the above technical problems through the following technical scheme:

[0005] A special tool for installing expansion bolt suspender on the lower bottom surface of the floor slab, including floor slab, ceiling expansion bolt and top rod, be provided with expansion bolt insertion hole on the lower bottom surface of floor slab, be connected with L shape rotating handle on the lower end of top rod, the top rod is fixedly provided with upper annular plate and lower annular plate in the interval on the top rod above L shape rotating handle, the sleeve handle is movably sleeved between upper annular plate and lower annular plate, be connected with top end sleeve on the upper end of top rod, the wrench sleeve is fixedly connected with wrench sleeve on the upper end of top end sleeve, and the lower end of ceiling expansion bolt is inserted in wrench sleeve and top end sleeve, and the nut on ceiling expansion bolt is embedded and clamped in wrench sleeve, and the upper end of ceiling expansion bolt is inserted in expansion bolt insertion hole.

[0006] The outer thread is arranged on the upper end of the top rod, the inner thread is arranged in the lower end port of the top end sleeve, and the top rod is connected in the lower end port of the top end sleeve through the cooperation of the outer thread and the inner thread.

[0007] The utility model realizes that the construction personnel can install the suspender expansion bolt on the floor top plate on the ground, avoids the risk of climbing operation, and improves the installation efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0008] Figure 1 is a structural schematic view of the utility model. DETAILED DESCRIPTION

[0009] The utility model will be explained in detail in connection with the drawings:

[0010] A special tool for installing expansion bolt suspender on the lower bottom surface of roof slab, including roof slab 1, ceiling expansion bolt 3 and top rod 9, set up expansion bolt insertion hole 2 on the lower bottom surface of roof slab 1, the lower end of top rod 9 is connected with L-shaped rotary handle 10, the top rod 9 above L-shaped rotary handle 10 is fixedly provided with upper annular plate 11 and lower annular plate 12 at intervals, sleeve handle 13 is movably sleeved between upper annular plate 11 and lower annular plate 12, the operator holds sleeve handle 13 with left hand, holds L-shaped rotary handle 10 with right hand, can realize the rotation of top rod 9 in sleeve handle 13, the upper end of top rod 9 is connected with top end sleeve 6, top end sleeve 6 is fixedly connected with spanner sleeve 5 on the upper end of top end sleeve 6, top end sleeve 6 and spanner sleeve 5 are communicated together, provide passageway for the insertion of the lower end of ceiling expansion bolt 3, the lower end of ceiling expansion bolt 3 is inserted in spanner sleeve 5 and top end sleeve 6, and ceiling expansion bolt upper nut 4 is embedded and clamped in spanner sleeve 5, so that ceiling expansion bolt upper nut 4 rotates together with spanner sleeve 5 and top end sleeve 6, the upper end of ceiling expansion bolt 3 is inserted in expansion bolt insertion hole 2.

[0011] External thread 8 is arranged on the upper end of top rod 9, internal thread 7 is arranged in the lower end port of top end sleeve 6, top rod 9 is connected in the lower end port of top end sleeve 6 through the cooperation of external thread 8 and internal thread 7, different specifications of top end sleeve 6 and spanner sleeve 5 can be replaced according to different specifications of ceiling expansion bolt 3, so that the tool can adapt to different installation environments.

[0012] During on-site construction, according to the size of expansion bolt insertion hole 2 on roof slab 1, select appropriate top end sleeve 6 and spanner sleeve 5, screw top rod 9 and top end sleeve 6 together, then insert pre-installed ceiling expansion bolt 3 in spanner sleeve 5, so that ceiling expansion bolt upper nut 4 is embedded and clamped in spanner sleeve 5, the operator holds top rod 9, places top rod 9 vertically, moves to the directly below of expansion bolt insertion hole 2 on the ground, inserts the upper part of ceiling expansion bolt 3 on the top end of top rod 9 into expansion bolt insertion hole 2, then the operator holds sleeve handle 13 with left hand, rotates L-shaped rotary handle 10 with right hand, makes top rod 9 rotate counterclockwise, top end sleeve 6 and spanner sleeve 5 also rotate counterclockwise with top rod 9, spanner sleeve 5 drives ceiling expansion bolt upper nut 4 to rotate, makes the expansion bolt top end fin open, completes the installation of ceiling expansion bolt.

Claims

1. A special tool for installing an expansion bolt suspender on the lower surface of a floor slab, comprising a floor slab (1), a suspended expansion bolt (3) and a top rod (9), an expansion bolt insertion hole (2) is arranged on the lower surface of the floor slab (1); characterized in that, L-shaped rotating handle (10) is connected to the lower end of the jacking rod (9), the jacking rod (9) is fixedly provided with upper and lower annular plates (11) and (12) above the L-shaped rotating handle (10) at intervals, and a sleeve handle (13) is movably sleeved between the upper and lower annular plates (11) and (12); a top end sleeve (6) is connected to the upper end of the jacking rod (9), a wrench sleeve (5) is fixedly connected to the upper end of the top end sleeve (6), the lower end of the ceiling expansion bolt (3) is inserted into the wrench sleeve (5) and the top end sleeve (6), and the upper nut (4) of the ceiling expansion bolt is embedded and clamped in the wrench sleeve (5), and the upper end of the ceiling expansion bolt (3) is inserted into the expansion bolt insertion hole (2).

2. A tool for installing an expansion bolt hanger on the underside of a roof deck according to claim 1, wherein, An external thread (8) is arranged at the upper end of the jacking rod (9), and an internal thread (7) is arranged in the lower end of the top end sleeve (6), and the jacking rod (9) is connected in the lower end of the top end sleeve (6) through the cooperation of the external thread (8) and the internal thread (7).

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