CN214532827U - Be used for garrulous soil structure on drilling bored concrete pile drilling rod - Google Patents

Abstract

The utility model belongs to the technical field of civil engineering and specifically relates to a hack structure on being used for drilling bored concrete pile drilling rod is related to, and it is including being fixed in the broken stick on the drilling rod, be equipped with a plurality of broken board on the broken stick, a plurality of broken board sets up along the length direction of broken stick, and the one end that broken stick was kept away from to the broken board is equipped with the spine that is used for broken clod. The construction period is shortened.

Description

Be used for garrulous soil structure on drilling bored concrete pile drilling rod

Technical Field

The application relates to the field of civil engineering, in particular to a soil breaking structure for a drill pipe of a cast-in-situ bored pile.

Background

Various geological environments are easy to encounter in civil engineering, and reasonable measures are taken aiming at different geological environments, so that the engineering construction efficiency can be greatly improved. The cast-in-situ bored pile is a foundation structure form widely used in engineering, and is always favored by the engineering industry because the construction has the characteristics of simple operation and strong applicability. The cast-in-situ bored pile can be suitable for various soil layers such as rock strata, sand layers, clay layers, silty clay, silt, mucky soil layers and the like, and drill bits selected for different soil layers have different forms.

Chinese patent with publication number CN108915601A discloses a bored pile drill bit, including a horizontal ring, a drill point and a drill rod, one end of the drill rod is penetrated through the horizontal ring, the other end of the drill rod is located below the horizontal ring and connected with the drill point, a flow channel is provided inside the drill rod, and one end of the drill rod close to the drill point is provided with a discharge port communicated with the flow channel, a plurality of horizontal rods are arranged at intervals, each horizontal rod is connected between the inner wall surface of the horizontal ring and the outer wall surface of the drill rod, a plurality of connecting rods are arranged at intervals, each connecting rod is connected between one end of the horizontal rod far away from the drill rod and the other end of the drill rod, and a plurality of first tooth-shaped structures are provided on the outer wall surface of the connecting rod, wherein the cross-sectional shapes of the horizontal ring, the drill rod, the horizontal rod and the connecting rod are circular or elliptical. The drill bit can timely smash large soil blocks in a soil layer with strong adhesiveness.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: during the use, the area of contact of broken stick and clod is great, and consequently broken stick receives the extrusion force of horizontal direction great, and deformation takes place easily after the broken stick receives the extrusion force, and the operator need shut down and change broken stick, and then has prolonged construction period.

SUMMERY OF THE UTILITY MODEL

In order to shorten construction period, the application provides a hack structure on being used for drilling bored concrete pile drilling rod.

The application provides a be used for garrulous soil structure on drilling bored concrete pile drilling rod adopts following technical scheme:

the utility model provides a hack structure on being used for drilling bored concrete pile drilling rod, is including being fixed in the broken stick on the drilling rod, be equipped with a plurality of breaker on the broken stick, a plurality of the breaker sets up along the length direction of broken stick, the one end that broken stick was kept away from to the breaker is equipped with the spine that is used for broken clod.

Through adopting above-mentioned technical scheme, during the use, when the drilling rod during operation, circular motion is simultaneously done to broken stick along with the drilling rod, and then makes the breaker rotate together, and the spine on the breaker contacts the clod at first to with the clod breakage, and then reduced the clod to the ascending extrusion force of broken stick horizontal direction, and then reduced broken stick damaged possibility, consequently reduced the operator and shut down the possibility of maintaining or changing broken stick, to sum up, construction period can be shortened in this application.

Optionally, a plurality of said breaker plates are arranged annularly about the axis of the breaker bar.

Through adopting above-mentioned technical scheme, during the use, the crushing plate that is the annular setting makes the spine be the annular setting, and when the drilling rod is reciprocating, the spine that the annular set up can contact soil block all around at first, and then has reduced the crushing stick and has received the extrusion force of soil block all around to the crushing stick, and then has reduced the damaged possibility of crushing stick.

Optionally, an accommodating groove is formed in the side wall of the crushing rod, the crushing plate is inserted into the accommodating groove and is in sliding fit with the accommodating groove, and a fixing assembly for fixing the crushing plate is arranged in the accommodating groove.

Through adopting above-mentioned technical scheme, the repetitious usage of drilling rod, there is the possibility of damaging in the spine on the broken stick, and after the spine damaged, the operator demolishs fixed subassembly, takes out the crushing plate from accommodating the inslot, conveniently changes the spine.

Optionally, the fixed subassembly includes electro-magnet and iron plate, the electro-magnet inlays the cell body of establishing at the holding tank, the iron plate inlays to be established on the crushing plate, and when circular telegram the electro-magnet, the electro-magnet adsorbs the iron plate.

Through adopting above-mentioned technical scheme, during the use, when the spine is changed to needs, the operator makes the electro-magnet outage, takes out the holding tank with the breaker and changes, inserts back in the holding tank as the breaker that the operator will be changed, electro-magnet and iron plate contact, and the operator switches on the electro-magnet, makes the electro-magnet adsorb the iron plate, and then realizes being connected convenient operation of spine and broken stick.

Optionally, the side wall of the crushing plate is provided with a guide strip, the side wall of the accommodating groove is provided with a guide strip, and the guide strip is inserted into the guide groove and is in sliding fit with the guide groove.

Through adopting above-mentioned technical scheme, during the use, the operator inserts the guide way with the gib block in, the sliding fit of gib block and guide way plays the effect of direction to the breaker, and then has reduced the breaker and has taken place the possibility that the card went on when inserting the holding tank, has practiced thrift the time that the breaker inserted in the holding tank.

Optionally, the two inner side walls opposite to the accommodating groove are respectively provided with an elastic piece, and the elastic pieces are abutted against the crushing plate.

Through adopting above-mentioned technical scheme, in the operator inserts the crushing plate holding tank, the lateral wall of elasticity piece extrusion crushing plate has further improved the stability that crushing plate and broken stick are connected.

Optionally, the crushing rods are provided in plurality, and the crushing rods are annularly arranged on the side wall of the drill rod.

Through adopting above-mentioned technical scheme, during the use, the broken stick that a plurality of annulars set up rotates simultaneously, has improved the efficiency to the clod is broken.

Optionally, a reinforcing rib is connected between the crushing rod and the drill rod.

Through adopting above-mentioned technical scheme, during the use, the strengthening rib can improve the stability that broken stick and drilling rod are connected, has reduced broken cracked possibility of broken stick.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the crushing rod, the crushing plate and the sharp thorn are arranged, when the drill rod works, the drill rod rotates to drive the crushing plate to rotate so as to drive the sharp thorn to rotate, the sharp thorn firstly contacts with the soil block, and the soil block is crushed by the sharp thorn, so that the extrusion force of the soil block on the crushing rod in the horizontal direction is reduced, the possibility that the crushing rod is damaged is reduced, the possibility that an operator stops for maintenance or replaces the crushing rod is reduced, and the construction period can be shortened;

2. this application is through setting up electro-magnet and iron plate, and during the use, the operator makes iron plate and electro-magnet contact in inserting the holding tank with the crushing plate, and the operator is to the electro-magnet circular telegram, and the electro-magnet adsorbs the iron plate, and then makes broken stick and drilling rod stable connection.

Drawings

Fig. 1 is a schematic structural diagram of a soil crushing structure on a drill stem for a cast-in-situ bored pile according to an embodiment of the present invention.

Fig. 2 is a sectional view of an electromagnet structure for embodying the embodiment.

Fig. 3 is a sectional view of an elastic sheet structure used in the embodiment.

Description of reference numerals: 1. a drill stem; 2. crushing the rods; 3. accommodating grooves; 4. a breaker plate; 5. pricking with a sharp point; 6. a guide strip; 7. a guide groove; 8. an electromagnet; 9. an iron block; 10. an elastic sheet; 11. and (5) reinforcing ribs.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a soil breaking structure for a drill pipe of a cast-in-situ bored pile. Referring to fig. 1, a soil crushing structure for a drill pipe of a cast-in-situ bored pile includes a plurality of crushing rods 2 (three shown) welded to a side wall of a drill pipe 1, wherein the plurality of crushing rods 2 are uniformly arranged in a ring shape around an axis of the drill pipe 1.

Referring to fig. 1 and fig. 2, a plurality of groups holding tank 3 have been seted up on broken stick 2, every group holding tank 3 includes a plurality of holding tanks 3, a plurality of holding tanks 3 use broken stick 2's axis to distribute on broken stick 2's lateral wall as central annular, and a plurality of groups holding tank 3 set up along broken stick 2's length direction, sliding connection has breaker 4 in holding tank 3, breaker 4 is square setting, the one end welding that 3 tank bottoms of holding tank were kept away from to breaker 4 has spine 5, spine 5 and breaker 4 integrated into one piece.

Referring to fig. 1 and 2, when the operator inserts the crushing plate 4 into the accommodating groove 3, there is a possibility of occurrence of jamming, and further the time of installation is increased, in order to solve the above problems, the guide strip 6 is welded on the side wall of the crushing plate 4, the guide groove 7 is provided on the side wall of the accommodating groove 3, the guide strip 6 is in sliding fit with the guide groove 7, when the operator inserts the crushing plate 4 into the accommodating groove 3, the guide strip 6 and the guide groove 7 are in sliding fit to play a guiding role for the crushing plate 4, the possibility of occurrence of jamming when inserting is reduced, and further the time of inserting the crushing plate 4 into the accommodating groove 3 is saved.

Referring to fig. 1 and 2, be equipped with the fixed subassembly that is used for fixed crushing plate 4 in the holding tank 3, fixed subassembly includes electro-magnet 8 and iron plate 9, electro-magnet 8 inlays the tank bottom of establishing at holding tank 3, iron plate 9 inlays to be established on the lateral wall that the spine 5 was kept away from to crushing plate 4, when the operator inserts crushing plate 4 in holding tank 3, electro-magnet 8 and the contact of iron plate 9, the operator is to electro-magnet 8 circular telegram, make electro-magnet 8 adsorb iron plate 9, and then realized crushing plate 4 and the stable connection of crushing rod 2, spine 5's long-time use, produce wearing and tearing easily, when the operator changes the spine 5 of damage, with electro-magnet 8 circular telegram, then change the spine 5 of damage, and convenient operation.

Referring to fig. 1 and 3, in order to further improve the stability of the connection between the crushing plate 4 and the crushing rod 2, the opposite side walls of the accommodating groove 3 are all bonded with elastic pieces 10, and the two elastic pieces 10 jointly support the crushing plate 4, thereby realizing the stable connection between the crushing plate 4 and the crushing rod 2. The reinforcing rib 11 is welded at the joint of the crushing rod 2 and the drill rod 1, and the crushing rod 2, the drill rod 1 and the reinforcing rib 11 are arranged in a triangular mode, so that the connection stability is improved.

The implementation principle that is used for hack structure on drilling bored concrete pile drilling rod 1 of this application embodiment does: during the use, the rotation of drilling rod 1 drives the rotation of broken stick 2, and a plurality of spine 5 is at first with the clod contact and with the clod breakage on the broken stick 2, has reduced the clod to the ascending extrusion force of broken stick 2 horizontal direction, and then has reduced the possibility that broken stick 2 damaged, has consequently reduced the operator and has shut down the maintenance or change the possibility of broken stick 2, consequently this application can shorten construction period.

When the drilling rod 1 rises or descends, the spikes 5 arranged in an annular shape can firstly contact the soil blocks and can firstly contact the soil blocks, the soil blocks can be crushed, the extrusion force of the soil blocks on the crushing rod 2 is reduced, and the effect of protecting the crushing rod 2 is achieved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a hack structure on being used for drilling bored concrete pile drilling rod, is including being fixed in broken stick (2) on drilling rod (1), its characterized in that: the soil breaking device is characterized in that a plurality of breaking plates (4) are arranged on the breaking rod (2), the breaking plates (4) are arranged along the length direction of the breaking rod (2), and sharp spines (5) used for breaking soil blocks are arranged at one ends, far away from the breaking rod (2), of the breaking plates (4).

2. The soil crushing structure for the drill rod of the cast-in-situ bored pile as claimed in claim 1, wherein: the plurality of crushing plates (4) are annularly arranged by taking the axis of the crushing rod (2) as the center.

3. The soil crushing structure for the drill rod of the cast-in-situ bored pile as claimed in claim 1, wherein: the crushing rod is characterized in that an accommodating groove (3) is formed in the side wall of the crushing rod (2), the crushing plate (4) is inserted into the accommodating groove (3) and is in sliding fit with the accommodating groove (3), and a fixing assembly for fixing the crushing plate (4) is arranged in the accommodating groove (3).

4. The soil crushing structure for the drill rod of the cast-in-situ bored pile as claimed in claim 3, wherein: fixed subassembly includes electro-magnet (8) and iron plate (9), electro-magnet (8) inlay the cell body of establishing in holding tank (3), iron plate (9) inlay and establish on crushing board (4), when circular telegram to electro-magnet (8), electro-magnet (8) adsorb iron plate (9).

5. The soil crushing structure for the drill rod of the cast-in-situ bored pile as claimed in claim 3, wherein: the side wall of the crushing plate (4) is provided with a guide strip (6), the side wall of the accommodating groove (3) is provided with a guide strip (6), and the guide strip (6) is inserted into the guide groove (7) and is in sliding fit with the guide groove (7).

6. The soil crushing structure for the drill rod of the cast-in-situ bored pile as claimed in claim 3, wherein: the two opposite inner side walls of the accommodating groove (3) are respectively provided with an elastic sheet (10), and the elastic sheets (10) are abutted against the crushing plate (4).

7. The soil crushing structure for the drill rod of the cast-in-situ bored pile as claimed in claim 1, wherein: the crushing rods (2) are arranged in a plurality of numbers, and the crushing rods (2) are annularly arranged on the side wall of the drill rod (1).

8. The soil crushing structure for the drill rod of the cast-in-situ bored pile as claimed in claim 1, wherein: and a reinforcing rib (11) is connected between the crushing rod (2) and the drill rod (1).

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