CN211115798U

CN211115798U - Novel punching bored concrete pile percussion bit

Info

Publication number: CN211115798U
Application number: CN201922113570.2U
Authority: CN
Inventors: 倪力新; 付仁
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-07-28
Anticipated expiration: 2029-12-02

Abstract

The utility model discloses a novel punching bored concrete pile percussion bit relates to the bored concrete pile percussion bit field, and to the problem that current punching bored concrete pile percussion bit efficiency of construction is low, drill bit life is short, the following scheme is put forward now, and it includes hollow tubular drill bit, the solid drill bit of cross, the surface of hollow tubular drill bit has cup jointed and has increased the pterygoid lamina, increase the first bottom cast steel position reinforcement of downside fixedly connected with of pterygoid lamina, the vertical pterygoid lamina that increases of last side fixedly connected with that increases of pterygoid lamina, it strengthens the pterygoid lamina to increase fixedly connected with between the surface of pterygoid lamina inner wall and hollow tubular drill bit, strengthen the vertical pterygoid lamina reinforcement of central fixedly connected with of pterygoid lamina, a plurality of first hammer tooth of lower terminal surface fixedly connected with. The device has the characteristics of long service life, high efficiency of salvaging the drill bit, simple and quick preliminary judgment of the soil layer and the like.

Description

Novel punching bored concrete pile percussion bit

Technical Field

The utility model relates to a bored concrete pile percussion bit field especially relates to a novel punching bored concrete pile percussion bit.

Background

At present, the percussion drill bit of the punching cast-in-place pile commonly used for construction mainly comprises a cross-shaped solid drill bit and a hollow tubular drill bit. The hollow tubular drill bit is suitable for soil layer construction, and the cross-shaped solid drill bit is suitable for various strata. The two kinds of drill bits have the structural characteristics that: the bottom ends of the drill bits are flat surfaces; the bottom end of the drill bit is cast steel within the range of 50cm, and the rest is cast iron; only the upper part of the drill bit is provided with a hanging ring for hoisting.

Generally, in order to improve the construction efficiency to the maximum extent, the two drill bits are used in a mode that a tubular hollow drill bit is used firstly, namely a cross solid drill bit is adopted when the drill bit is about to enter a rock, and a large number of construction practices show that the existing drill bits have the problems of low construction efficiency, short service life of the drill bit and the like, because the bottom end of each drill bit is a flat surface, the punching speed is low, and the size progress cannot be guaranteed; the range of 50cm at the bottom end of the drill bit is cast steel, the rest is cast iron, the impact resistance at the end part is good, but the position is only about 50cm, the damage is easy, and the service life of the drill bit is short; when the drill falls to the bottom of the hole, once the drill cannot be lifted, a professional diver needs to hook, although the upper part of the drill is provided with the hanging ring, the hanging ring is small, the position where the drill can be lifted is limited, and the danger of the diver is greatly increased; when punching, no corresponding device takes sediment when the drill bit is lifted by the steel wire rope, soil layers and rock layers are simply judged, construction quality cannot be timely and effectively controlled, and construction efficiency cannot be improved. Therefore, a novel impact drill bit for punching cast-in-place piles is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel punching bored concrete pile percussion bit has solved the problem that current punching bored concrete pile percussion bit efficiency of construction is low, drill bit life is short.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a novel punching bored concrete pile percussion bit comprises a hollow tubular drill bit and a cross solid drill bit, wherein a heightening wing plate is sleeved on the outer surface of the hollow tubular drill bit, the lower side surface of the heightening wing plate is fixedly connected with a first bottom cast steel part reinforcing member, the upper side surface of the heightening wing plate is fixedly connected with a vertical heightening wing plate, a strengthening wing plate is fixedly connected between the inner wall of the heightening wing plate and the outer surface of the hollow tubular drill bit, the center of the strengthening wing plate is fixedly connected with a vertical wing plate reinforcing member, the lower end surface of the hollow tubular drill bit is fixedly connected with a plurality of first hammer teeth, the outer side surface of the cross solid drill bit is fixedly connected with a plurality of second bottom cast steel part reinforcing members, the upper end of the cross solid drill bit is fixedly connected with a drill bit fishing ring, the, and a slag dragging barrel is arranged in the cross-shaped solid drill bit.

Preferably, the heightening wing plate is fixedly connected with the outer surface of the hollow tubular drill through the reinforcing wing plate.

Preferably, the vertical wing plate reinforcing member is fixedly connected in the middle of the reinforcing wing plate and arranged between the inner diameter of the heightening wing plate and the outer surface of the hollow tubular drill bit.

Preferably, the lower end of the vertical heightening wing plate is fixedly connected with the upper end face of the heightening wing plate.

Preferably, the upper end of the vertical heightening wing plate is fixedly connected with the upper surface of the hollow tubular drill bit.

Preferably, the slag dragging barrel is fixedly connected to the cross center in the middle of the cross solid drill bit and the connection part of the outer surface of the hollow tubular drill bit and the vertical wing plate reinforcing part.

Compared with the prior art, the beneficial effects of the utility model are that:

the device can greatly prolong the service life of the drill bit by locally reinforcing the drill bit through a first bottom-end cast steel part reinforcing piece, a heightening wing plate, a vertical heightening wing plate, a reinforcing wing plate, a vertical wing plate reinforcing piece, a first hammer, a second bottom-end cast steel part reinforcing piece, a drill bit fishing ring, a second hammer and a slag fishing barrel; the cutting force of the drill bit cutting into the soil layer/rock stratum is enhanced through the arrangement of the hammer teeth at the bottom of the drill bit, and the punching efficiency is greatly improved; the current impact stratum property can be rapidly and preliminarily judged through the arrangement of the slag dragging barrel, so that the construction quality is timely and effectively controlled, and the construction efficiency is improved; through the arrangement of the drill bit salvaging ring, the success rate of drill bit hoisting is increased, and the method is an effective measure for ensuring the salvaging operation of the drill bit; the improved materials are all waste products which are recycled, so that the aim of saving resources is fulfilled.

The device has the characteristics of long service life, high efficiency of salvaging the drill bit, simple and quick preliminary soil layer judgment and the like.

Drawings

Fig. 1 is a cross-sectional view of the hollow tubular drill head structure of the novel percussion drill for punching cast-in-place piles of the present invention.

Fig. 2 is a cross-sectional view of the hollow tubular drill bit overlooking structure of the novel percussion drill bit for punching cast-in-place piles of the present invention.

Fig. 3 is the cross-sectional view of the cross solid drill structure of the novel percussion drill for punching cast-in-place pile of the present invention.

Fig. 4 is the cross-sectional view of the overlooking structure of the cross solid drill of the novel percussion drill for punching cast-in-place pile of the present invention.

Fig. 5 is a structural view of the slag scoop tube of the impact drill bit of the punching cast-in-place pile of the utility model.

Reference numbers in the figures: 1 hollow tube drill bit, 2 solid drill bits of cross, 3 first bottom cast steel position reinforcements, 4 increase the pterygoid lamina, 5 vertical wing plates that increase, 6 enhancement pterygoid lamina, 7 vertical pterygoid lamina reinforcements, 8 first hammers, 9 second bottom cast steel position reinforcements, 10 drill bit salvage rings, 11 second hammers, 12 bailing sediment section of thick bamboos.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, a novel percussion drill for punching bored concrete pile comprises a hollow tubular drill bit 1 and a cross solid drill bit 2, wherein a heightening wing plate 4 is sleeved on the outer surface of the hollow tubular drill bit 1, a first bottom cast steel part reinforcing member 3 is fixedly connected to the lower side surface of the heightening wing plate 4, a vertical heightening wing plate 5 is fixedly connected to the upper side surface of the heightening wing plate 4, a reinforcing wing plate 6 is fixedly connected between the inner wall of the heightening wing plate 4 and the outer surface of the hollow tubular drill bit 1, a vertical wing plate reinforcing member 7 is fixedly connected to the center of the reinforcing wing plate 6, a plurality of first hammer teeth 8 are fixedly connected to the lower end surface of the hollow tubular drill bit 1, a plurality of second bottom cast steel part reinforcing members 9 are fixedly connected to the outer side surface of the cross solid drill bit 2, a drill bit fishing ring 10 is fixedly connected to the, a slag salvaging barrel 12 is arranged in the cross-shaped solid drill bit 2.

In the present embodiment, the raising wing plate 4 is fixedly connected to the outer surface of the hollow tubular drill 1 via the reinforcing wing plate 6.

In this embodiment, the vertical wing plate reinforcement 7 is fixedly connected to the middle of the reinforcing wing plate 6 and is disposed between the inner diameter of the heightening wing plate 4 and the outer surface of the hollow pipe drill 1.

In the present embodiment, the lower end of the vertical raising wing plate 5 is fixedly connected to the upper end surface of the raising wing plate 4.

In this embodiment, the upper end of the vertical heightening wing plate 5 is fixedly connected to the upper surface of the hollow tubular drill 1.

In the embodiment, the slag salvaging barrel 12 is fixedly connected at the cross center of the cross solid drill bit 2 and the connection part of the outer surface of the hollow tubular drill bit 1 and the vertical wing plate reinforcing part 7.

The working principle is as follows: when the punching cast-in-place pile is impacted to form a hole, the improved hollow tubular drill bit 1 is used for punching, the soil layer property is quickly and simply judged through the slag salvaging barrel 12, and the cross-shaped solid drill bit 2 is timely replaced to punch the hole in the rock stratum when the rock is input. During the whole construction process, the cast steel part of the drill bit is reinforced by the first bottom cast steel part reinforcing member 3 and the second bottom cast steel part reinforcing member 9, so that the service life of the drill bit is greatly prolonged. The first hammer teeth 8 and the second hammer teeth 11 at the bottom of the drill bit enhance the cutting force of the drill bit into the soil layer/rock stratum, and the punching efficiency is greatly improved. The slag ladle 12 can rapidly and preliminarily judge the current impact stratum properties, and the construction efficiency is improved. Through the arrangement of the drill bit fishing ring 10, the success rate of drill bit hoisting is increased, and the method is an effective measure for ensuring the fishing operation of the drill bit. The improved materials are all waste products which are recycled, so that the aim of saving resources is fulfilled.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a novel punching bored concrete pile percussion bit, includes hollow tubular drill bit (1), cross solid bit (2), its characterized in that, the surface of hollow tubular drill bit (1) has cup jointed and has increased pterygoid lamina (4), the downside fixedly connected with first bottom cast steel position reinforcement (3) that increases pterygoid lamina (4), the side fixedly connected with vertical pterygoid lamina (5) that increases of the side of increasing pterygoid lamina (4), it strengthens pterygoid lamina (6) to increase fixedly connected with between pterygoid lamina (4) inner wall and the surface of hollow tubular drill bit (1), the center fixedly connected with vertical pterygoid lamina reinforcement (7) of strengthening pterygoid lamina (6), the lower terminal surface fixedly connected with of hollow tubular drill bit (1) is a plurality of first hammer tooth (8), the lateral surface fixedly connected with a plurality of second bottom cast steel position reinforcement (9) of cross solid bit (2), the upper end fixedly connected with drill bit salvage ring (10) of cross solid drill bit (2), a plurality of second hammer teeth (11) of lower terminal surface fixedly connected with of cross solid drill bit (2), be provided with in the cross solid drill bit (2) and drag for a sediment section of thick bamboo (12).

2. A new type of percussion drill bit for punching piles according to claim 1, characterized in that the said heightening wing plate (4) is fixedly connected to the outer surface of the hollow tubular drill bit (1) by means of the reinforcement wing plate (6).

3. A new type of percussion drill bit for punched piles according to claim 1, characterized in that the vertical wing reinforcement (7) is fixedly connected in the middle of the reinforcement wing (6) and is placed between the inner diameter of the heightening wing (4) and the outer surface of the hollow tubular drill bit (1).

4. A new type of percussion drill bit for bored concrete piles according to claim 1, characterized in that the lower end of the vertical heightening wing plate (5) is fixedly connected to the upper end face of the heightening wing plate (4).

5. A novel percussion drill bit for punching piles according to claim 1, characterized in that the upper end of the vertical heightening wing plate (5) is fixedly connected with the upper surface of the hollow tubular drill bit (1).

6. A novel percussion drill bit for punching and pouring piles according to claim 1, characterized in that said slag canister (12) is fixedly connected to the cross center in the middle of the cross-shaped solid drill bit (2) and to the connection of the outer surface of the hollow tubular drill bit (1) with the vertical wing reinforcement (7).