Hand-cranking telescopic embedded steel bar drilling device

Abstract

The utility model relates to the technical field of building construction, in particular to a hand-cranking telescopic steel bar planting drilling device which comprises a triangular support, a rocker arm box arranged at the top of the triangular support, a vertical rod arranged above the rocker arm box, a rocker arranged in the rocker arm box, a gear sleeved on a rocker arm body, and a rack structure arranged on a vertical rod body and matched with the gear for use. During use, an operator only needs to shake the hand rocker arm connected with the rocker to increase the height of the vertical rod, then the percussion drill is driven to drill upwards, climbing operation through a ladder is not needed, the safety coefficient is high, the structure is simple, operation is convenient, and the drilling efficiency is obviously improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a hand-cranked retractable reinforcing bar embedding drilling device. Background Art

[0002] At present, in construction site projects, most of the ceiling hangers, secondary structure rebar, etc. need to drill holes in the bottom of the slab or beam. Vertical drilling requires workers to use a stepladder and a handheld impact drill to drill holes. There is a certain risk for workers to climb up and down the stepladder, and the lifting of the impact drill is prone to fatigue, and the overall drilling efficiency is not high. Therefore, a hand-cranked retractable rebar drilling device is provided. Utility Model Content

[0003] The utility model aims to solve the above problems, thereby providing a hand-cranked retractable reinforcing bar embedding drilling device.

[0004] The utility model solves the above problems and adopts the following technical solutions:

[0005] A hand-cranked retractable rebar embedding drilling device comprises a triangular bracket, a rocker box is arranged on the top of the triangular bracket, a vertical pole is arranged above the rocker box, the bottom end of the vertical pole passes through the rocker box and extends downward, a rocker is arranged in the rocker box and on one side of the vertical pole, one end of the rocker is rotatably connected to the inner wall of the rocker box, and the other end passes through the rocker box to extend outward and is connected to a hand rocker, a gear is mounted in the rocker box and on the rocker body, a rack structure used in conjunction with the gear is arranged on the vertical pole body, an external thread structure is arranged on the top of the vertical pole, and an extension rod is connected, and a support plate for fixing the impact drill is arranged on one side of the top of the extension rod.

[0006] Compared with the prior art, the utility model adopting the above technical solution has the following outstanding features:

[0007] When the utility model is used, the operator only needs to shake the hand crank arm to raise the height of the vertical pole, thereby driving the impact drill to drill upwards, without the need to use a ladder for high-altitude operations, with a high safety factor, a simple structure, and easy operation, and the drilling efficiency is significantly improved.

[0008] As a preferred embodiment, a further technical solution of the utility model is:

[0009] The legs of the tripod are all retractable.

[0010] A plurality of springs are arranged around the top of the extension rod, one end of the spring is fixedly connected to the extension rod, and the other end of the spring extends upward at an acute angle to the extension rod.

[0011] Graduations are engraved on the body of the vertical pole and on the other side of the rack structure.

[0012] A top screw is arranged on one side of the rocker box, and the top screw is threadedly connected with the rocker box, and after being tightened, the end of the top screw abuts against the vertical rod.

[0013] The bottoms of the legs of the tripod are all provided with universal self-locking wheels. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of an embodiment of the utility model;

[0015] Figure 2 It is a front cross-sectional structural schematic diagram of the rocker box of the utility model embodiment;

[0016] Figure 3 It is a schematic diagram of the side cross-sectional structure of the rocker box of the embodiment of the utility model;

[0017] Marked in the figure are: tripod bracket 1, rocker box 2, vertical pole 3, extension rod 4, support plate 5, impact drill 6, spring 7, universal self-locking wheel 8, hand rocker 9, top screw 10, scale 11, rocker 12, gear 13, rack structure 14. DETAILED DESCRIPTION

[0018] The present invention is further described below in conjunction with embodiments, the purpose of which is only to provide a better understanding of the content of the present invention. Therefore, the examples given do not limit the protection scope of the present invention.

[0019] See also Figure 1-Figure 3 A hand-cranked retractable rebar embedding drilling device comprises a triangular bracket 1, a rocker box 2 is arranged on the top of the triangular bracket 1, a vertical pole 3 is arranged above the rocker box 2, the bottom end of the vertical pole 3 passes through the rocker box 2 and extends downward, a rocker 12 is arranged in the rocker box 2 and on one side of the vertical pole 3, one end of the rocker 12 is rotatably connected to the inner wall of the rocker box 2, and the other end passes through the side wall of the rocker box 2 and extends outward and is connected to a hand crank 9, a gear 13 is set on the rocker box 2 and on the rod body of the rocker 12, a rack structure 14 used in conjunction with the gear 13 is arranged on the rod body of the vertical pole 3, an external thread structure is arranged on the top of the vertical pole 3, and an extension rod 4 is connected, and a support plate 5 for fixing an impact drill 6 is arranged on one side of the top of the extension rod 4.

[0020] The legs of the tripod support 1 are all retractable; the vertical pole 3 can be kept vertical by adjusting the length of the legs respectively, and the height of the drill bit of the tied impact drill 6 can be adjusted at the same time.

[0021] A plurality of springs 7 are provided around the top of the extension rod 4, one end of the spring 7 is fixedly connected to the extension rod 4, and the other end extends upward at an acute angle to the extension rod 4; the spring 7 rises with the vertical pole 3 and the extension rod 4, and after rising, it contacts and is fixed with the bottom of the beam or the bottom of the plate, thereby ensuring the stability of the overall device during the drilling process.

[0022] A scale 11 is engraved on the rod body of the vertical rod 3 and on the other side of the rack structure 14, so that the drilling depth can be observed intuitively.

[0023] A top screw 10 is provided on one side of the rocker box 2, and the top screw 10 is threadedly connected to the rocker box 2. After tightening, the end of the top screw 10 abuts against the vertical rod 3; the tightness of the vertical movement of the vertical rod 3 can be controlled by rotating the top screw 10.

[0024] The bottom of the legs of the tripod bracket 1 are all provided with universal self-locking wheels 8; after the drilling is completed, it is convenient to move to the bottom of the next drilling point.

[0025] When the utility model is used, the operator only needs to shake the hand crank arm to raise the height of the vertical pole, thereby driving the impact drill to drill upwards, without the need to use a ladder for high-altitude operations, with a high safety factor, a simple structure, and easy operation, and the drilling efficiency is significantly improved.

[0026] The above description is only a preferred feasible embodiment of the present utility model, and does not limit the scope of rights of the present utility model. All equivalent changes made using the contents of the present utility model specification and its drawings are included in the scope of rights of the present utility model.

Claims

1. A hand-cranked retractable reinforcing bar drilling device, comprising a tripod support, characterized in that: A rocker box is provided on the top of the tripod bracket, and a vertical pole is provided above the rocker box. The bottom end of the vertical pole passes through the rocker box and extends downward. A rocker is provided in the rocker box and on one side of the vertical pole. One end of the rocker is rotatably connected to the inner wall of the rocker box, and the other end passes through the rocker box and extends outward and is connected to a hand rocker. Gears are provided in the rocker box and on the rocker body, and a rack structure used in conjunction with the gear is provided on the vertical pole body. An external thread structure is provided on the top of the vertical pole and is connected to an extension rod. A support plate for fixing the impact drill is provided on one side of the top of the extension rod.

2. A hand-operated retractable reinforcing bar embedding drilling device according to claim 1, characterized in that: The legs of the tripod are all retractable.

3. A hand-operated retractable reinforcing bar drilling device according to claim 1, characterized in that: A plurality of springs are arranged around the top of the extension rod, one end of the spring is fixedly connected to the extension rod, and the other end of the spring extends upward at an acute angle to the extension rod.

4. A hand-operated retractable reinforcing bar embedding drilling device according to claim 1, characterized in that: Graduations are engraved on the body of the vertical pole and on the other side of the rack structure.

5. The hand-operated retractable reinforcing bar embedding drilling device according to claim 1 is characterized in that: A top screw is arranged on one side of the rocker box, and the top screw is threadedly connected with the rocker box, and after being tightened, the end of the top screw abuts against the vertical rod.

6. A hand-operated retractable reinforcing bar embedding drilling device according to claim 1, characterized in that: The bottoms of the legs of the tripod are all provided with universal self-locking wheels.

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