CN219754468U - Drill bit capable of being opened and closed - Google Patents

Abstract

The utility model discloses a drill bit capable of being opened and closed, which belongs to the technical field of building construction and comprises a drill bit, wherein a plurality of steel wire ropes are arranged on the inner wall of the drill bit, the steel wire ropes are positioned at the bottom end of the drill bit, the steel wire ropes are arranged at equal intervals along the circumferential direction of the drill bit, through holes are formed in the side wall of the drill bit, a plugging plate for plugging the through holes is arranged on the side wall of the drill bit, and a fixing piece for fixing the plugging plate is arranged on the drill bit. The utility model has the effect of improving the working efficiency of working staff to drill the pile hole through the drilling machine.

Description

Drill bit capable of being opened and closed

Technical Field

The utility model relates to the field of building construction, in particular to a drill bit capable of being opened and closed.

Background

At present, in building construction, pile holes are required to be drilled on the earth surface by using a drilling machine in a building site, pile foundation construction is carried out, in the pile hole drilling process, the situation that the soil body contains barriers such as stones is often encountered, when the pile foundation construction is carried out under the working condition, the drill bit of the drilling machine is used for drilling holes into the earth surface, the stones in the soil body obstruct the drill bit, the drill bit of the drilling machine cannot drill down, and the drill bit of the drilling machine is easy to damage in the drilling process.

When the existing drill bit encounters stones in the soil body in the process of drilling, the conventional drill bit adopts an excavator to drill deeply, replace and fill the obstacles, or adopts a rotary drilling machine to be matched with manual stone extraction, which is time-consuming and labor-consuming, so that the working efficiency of working personnel for drilling pile holes through the drilling machine is reduced.

Disclosure of Invention

In order to solve the problem of low working efficiency of working staff in drilling pile holes through a drilling machine, the utility model provides a drill bit capable of being opened and closed.

The utility model provides a drill bit capable of being opened and closed, which adopts the following technical scheme:

the utility model provides a but start-up closes drill bit, includes the drill bit, the inner wall of drill bit is provided with a plurality of wire rope, and is a plurality of wire rope is located the bottom of drill bit, a plurality of wire rope is followed the equidistant setting of circumference of drill bit, the through-hole has been seted up to the lateral wall of drill bit, be provided with on the lateral wall of drill bit and be used for the shutoff board of through-hole, be provided with on the drill bit and be used for fixing the mounting of shutoff board.

Through adopting above-mentioned technical scheme, when the rig runs into the stone in the soil body at the in-process of boring down, through using the drill bit down the stone, broken stone, the drill bit is in the in-process of boring down, broken stone passes wire rope and removes to the drill bit in, when the drill bit shifts out the earth's surface, through wire rope restriction stone falling back down, then through demolising the mounting on the shutoff board, take off the shutoff board from the drill bit, take out the stone in the drill bit from the through-hole, through the drill bit in drilling and accomplish broken stone clearance to improve staff's work efficiency of cutting the stake hole in the work progress.

Preferably, the mounting is including being fixed in two pipe one on the drill bit inner wall, two pipe one is located respectively the both sides of opening, the shutoff board is close to the side both sides of drill bit central axis all are provided with pipe two, pipe one with the central axis collineation of pipe two, two through-holes one have been seted up to the top surface of drill bit, the interpolation of through-hole one is equipped with the inserted bar, the top of inserted bar is fixed with the round bar, the bottom of inserted bar is inserted in proper order and is located pipe one with in the pipe two.

By adopting the technical scheme, the plugging plate is embedded in the through hole, the outer side surface of the plugging plate is attached to the inner side surface of the through hole, the central axis of the circular tube II is collinear with the central axis of the circular tube I, the inserted link passes through the through hole I, and the bottom ends of the inserted link are sequentially inserted into the circular tube I and the circular tube II, so that the plugging plate is fixed on the drill bit; when the stone in the drill bit needs to be cleaned, the inserted bar moves upwards, and the bottom end of the inserted bar is separated from the first round tube and the second round tube in sequence, so that the plugging plate is detached from the through hole, and the stone in the drill bit is taken out from the through hole conveniently.

Preferably, an external thread is provided on the outer circumferential surface of the insert rod, the external thread is located at one end of the insert rod, which is close to the round rod, and the external thread is in threaded connection with the inner wall of the first through hole.

Through adopting above-mentioned technical scheme, when the inserted bar passed through first through-hole and inserts in locating pipe one and pipe two in proper order, rotate the inserted bar, in the external screw thread screw in through-hole of inserted bar to fix the inserted bar on the drill bit, reduce the drill bit when drilling downwards, the possibility that the inserted bar breaks away from the drill bit.

Preferably, a moving plate is arranged in the drill bit, the outer peripheral surface of the moving plate is attached to the inner peripheral surface of the drill bit, the moving plate is located between the steel wire rope and the inner top surface of the drill bit, a plurality of push rods are fixed on the bottom surface of the moving plate, and a driving assembly used for driving the moving plate to move vertically is arranged in the drill bit.

Through adopting above-mentioned technical scheme, when taking out the stone in the drill bit, drive assembly drive movable plate moves down, and the movable plate drives the push rod and moves down, and the push rod makes the push rod pass wire rope at the in-process of moving down, and the push rod releases the stone between the wire rope to be convenient for clear up the stone between the wire rope.

Preferably, the drive assembly is including rotating set up in the sleeve of top surface in the drill bit, through-hole two has been seted up to the top surface of drill bit, telescopic central axis with the central axis collineation of through-hole two, the top surface of movable plate is fixed with the screw rod, the top of screw rod passes in proper order the sleeve with through-hole two, the screw rod with sleeve threaded connection, the screw rod passes through-hole two along vertical with drill bit sliding connection, be provided with on the drill bit and be used for the drive sleeve pivoted driving piece.

Through adopting above-mentioned technical scheme, when needs clear up the stone between the wire rope, drive assembly drive sleeve rotates, and sleeve drive screw rod is along vertical removal, and the screw rod drives the movable plate along vertical removal to make the movable plate drive the push rod along vertical removal.

Preferably, the driving piece comprises a motor arranged on the inner bottom surface of the drill bit, a belt wheel I is arranged on an output shaft of the motor, a belt wheel II is arranged on the sleeve, and a driving belt is wound on the belt wheel I and the belt wheel II.

Through adopting above-mentioned technical scheme, the motor is started, and the motor drives band pulley one and rotates, and band pulley one drives the drive belt and rotates, and the drive belt drives band pulley two and rotates, and band pulley two drives the sleeve and rotate to make sleeve drive screw rod along telescopic axial displacement.

Preferably, the outer peripheral surface of the moving plate is provided with two notches, and the first round tube and the second round tube can pass through the notches.

Through adopting above-mentioned technical scheme, through being provided with two breach at the outer peripheral face of movable plate, when the movable plate moves along vertical, make pipe one and pipe two pass the movable plate along the breach to the movable plate is convenient for move along vertical.

Preferably, the inner top surface of the drill bit is provided with a circular groove, the circular groove is communicated with the through hole, the top end of the sleeve is inserted into the circular groove, the inner circumferential surface of the circular groove is provided with an annular groove, the outer circumferential surface of the sleeve is provided with a circular ring, the circular ring is arranged in the annular groove, and the outer circumferential surface of the circular ring is attached to the inner circumferential surface of the annular groove.

By adopting the technical scheme, when the sleeve rotates, the sleeve drives the circular ring to rotate, and the circular ring rotates in the annular groove, so that the possibility that the sleeve is separated from the drill bit is reduced.

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

1. when the drilling machine encounters stones in the soil body in the process of drilling, the stones are crushed by using the drill bit, the crushed stones pass through the steel wire rope and move into the drill bit in the process of drilling, when the drill bit moves out of the ground surface, the stones are limited to fall back downwards by the steel wire rope, then the fixing piece on the plugging plate is removed, the plugging plate is taken off from the drill bit, the stones in the drill bit are taken out from the through hole, and the crushed stones are cleaned by the drill bit while drilling, so that the working efficiency of a worker in the process of drilling pile holes is improved;

2. embedding the plugging plate in the through hole, attaching the outer side surface of the plugging plate to the inner side surface of the through hole, enabling the central axis of the circular tube II to be collinear with the central axis of the circular tube I, enabling the inserted rod to pass through the through hole I, enabling the bottom end of the inserted rod to be sequentially inserted into the circular tube I and the circular tube II, and fixing the plugging plate on the drill bit; when the stone in the drill bit needs to be cleaned, the inserted link is moved upwards, and the bottom end of the inserted link is separated from the first round pipe and the second round pipe in sequence, so that the plugging plate is detached from the through hole, and the stone in the drill bit is conveniently taken out from the through hole;

3. when taking out the stone in the drill bit, the drive assembly drives the movable plate to move downwards, and the movable plate drives the push rod to move downwards, so that the push rod passes through the steel wire ropes in the process of moving downwards, and the push rod pushes out the stone between the steel wire ropes, thereby being convenient for cleaning the stone between the steel wire ropes.

Drawings

FIG. 1 is a schematic view of the overall structure of a lockable drill bit according to an embodiment of the present utility model.

Fig. 2 is a schematic diagram of a steel wire rope according to an embodiment of the present utility model.

Fig. 3 is a schematic structural view of a plugging plate according to an embodiment of the present utility model.

Fig. 4 is a cross-sectional view of a drill bit in an embodiment of the present utility model.

Reference numerals: 1. a drill bit; 11. a wire rope; 12. a through port; 13. a plugging plate; 14. a round tube I; 15. a second round tube; 16. a first through hole; 17. a rod; 18. a round bar; 19. an external thread; 2. a moving plate; 21. a notch; 22. a push rod; 23. a screw; 24. a sleeve; 25. a circular groove; 26. an annular groove; 27. a circular ring; 28. a second through hole; 3. a motor; 31. a belt wheel I; 32. a belt wheel II; 33. a driving belt.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-4.

The embodiment of the utility model discloses a drill bit capable of being opened and closed.

Referring to fig. 1 and 2, a closable drill includes a drill 1, a plurality of wire ropes 11 are fixed to an inner circumferential surface of the drill 1, the plurality of wire ropes 11 are positioned at a bottom end of the drill 1, and the plurality of wire ropes 11 are disposed at equal intervals along a circumferential direction of the drill 1.

Referring to fig. 1 and 3, a through hole 12 is formed in the outer circumferential surface of the drill bit 1, and the through hole 12 is located above the wire rope 11. The through hole 12 is embedded with a plugging plate 13, and the outer side wall of the plugging plate 13 is attached to the inner side surface of the through hole 12. The inner peripheral surface of the drill bit 1 is fixedly provided with two circular tubes 14, the central axis of the two circular tubes 14 is parallel to the central axis of the drill bit 1, and the two circular tubes 14 are respectively positioned at two sides of the through hole 12. Two circular tubes II 15 are fixed on two sides of the side face of the plugging plate 13, which is close to the central axis of the drill bit 1, the circular tube I14 is positioned between the two circular tubes II 15, and the central axis of the circular tube II 15 is collinear with the central axis of the circular tube I14.

Referring to fig. 1 and 3, two through holes 16 are formed in the inner top surface of the drill bit 1, and the central axes of the two through holes 16 are respectively collinear with the central axes of the two round tubes 14. The first through hole 16 is internally provided with a plug rod 17, the top end of the plug rod 17 is fixedly provided with a round rod 18, and the bottom end of the plug rod 17 sequentially penetrates through the second round tube 15 and the first round tube 14. The external screw thread 19 is offered to the outer peripheral face of inserted bar 17, and external screw thread 19 is located the one end that inserted bar 17 is close to round bar 18, and external screw thread 19 and the inner wall threaded connection of through-hole two 28.

Referring to fig. 1 and 4, a moving plate 2 is slidably disposed in a drill bit 1 along a vertical direction, an outer circumferential surface of the moving plate 2 is attached to an inner circumferential surface of the drill bit 1, a plurality of push rods 22 are fixed to a bottom surface of the moving plate 2, and a bottom end of each push rod 22 is a tip. Two notches 21 are formed in the outer peripheral surface of the moving plate 2, the two notches 21 correspond to the two first round tubes 14 respectively, the bottom end of the inserted rod 17 penetrates through the notches 21 to be inserted into the first round tube 14 and the second round tube 15, and the first round tube 14 and the second round tube 15 can penetrate through the notches 21. The inner bottom surface of the drill bit 1 is rotatably provided with two sleeves 24, and the two sleeves 24 are symmetrically arranged along the axis of the drill bit 1. Two circular grooves 25 are formed in the inner bottom surface of the drill bit 1, and the top ends of the two sleeves 24 are respectively inserted into the two circular grooves 25. An annular groove 26 is formed in the inner peripheral surface of the circular groove 25, a circular ring 27 is fixedly sleeved on the outer peripheral surface of the circular ring 27, the top surface of the circular ring 27 is coplanar with the top surface of the sleeve 24, the circular ring 27 is arranged in the annular groove 26, and the outer peripheral surface of the circular ring 27 is attached to the inner peripheral surface of the annular groove 26.

Referring to fig. 1 and 4, a second through hole 28 is formed in the inner top surface of the circular groove 25, and the central axis of the second through hole 28 is collinear with the central axis of the sleeve 24. The top surface of the movable plate 2 is fixed with two screws 23, the top ends of the two screws 23 are respectively inserted into the two sleeves 24, the top ends of the screws 23 penetrate through the second through holes 28, the screws 23 are in threaded connection with the first sleeves 24, and the screws 23 are vertically and slidably connected with the drill bit 1 through the second through holes 28. The motor 3 is fixed on the inner bottom surface of the drill bit 1, the first belt wheels 31 are sleeved and fixed on the output shaft of the motor 3, the second belt wheels 32 are sleeved and fixed on the outer peripheral surfaces of the two sleeves 24, and the transmission belt 33 is wound on the second belt wheels 32 and the first belt wheels 31.

The embodiment of the utility model provides a drill bit 1 capable of being opened and closed, which comprises the following implementation principles: when the drilling machine drills holes on a construction site, the drilling machine encounters stones in soil in the drilling process, the drilling machine uses the drill bit 1 to lower the diamond blocks, the drill bit 1 breaks the stones, the drill bit 1 moves into the drill bit 1 through the steel wire rope 11 in the downward moving process, then the drill bit 1 moves upwards, the steel wire rope 11 limits the stones in the drill bit 1 to fall, the drill bit 1 moves to the ground, the round rod 18 rotates, the round rod 18 drives the insert rod 17 to rotate, the external threads 19 are separated from the through holes II 28, the insert rod 17 is moved upwards to pull out the insert rod 17 from the round tube I14 and the round tube II 15, the blocking plate 13 is removed from the through holes 12, and then workers take the stones in the drill bit 1 out through the through holes 12, so that the drill bit 1 can conveniently clean the broken stones while drilling, and the working efficiency of the workers in the drilling pile holes in the construction process is improved. Then, the motor 3 is started, the motor 3 drives the first belt wheels 31 to rotate, the first belt wheels 31 drive the driving belt 33 to rotate, the driving belt 33 drives the second belt wheels 32 to rotate, the second belt wheels 32 drive the sleeve 24 to rotate, the sleeve 24 drives the screw 23 to move downwards, the screw 23 drives the moving plate 2 to move downwards, the moving plate 2 drives the push rod 22 to move downwards, and the push rod 22 passes through the steel wire ropes 11, so that the push rod 22 pushes out stones between the steel wire ropes 11, and the stones between the steel wire ropes 11 are cleaned conveniently.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. A lockable drill bit, characterized in that: including drill bit (1), the inner wall of drill bit (1) is provided with a plurality of wire rope (11), and is a plurality of wire rope (11) are located the bottom of drill bit (1), a plurality of wire rope (11) are followed equidistant setting of circumference of drill bit (1), through-hole (12) have been seted up to the lateral wall of drill bit (1), be provided with on the lateral wall of drill bit (1) and be used for the shutoff board (13) of through-hole (12), be provided with on drill bit (1) and be used for fixing the mounting of shutoff board (13).

2. A lockable drill bit according to claim 1, characterized in that: the fixing piece comprises two first round tubes (14) fixed on the inner wall of the drill bit (1), the two first round tubes (14) are respectively located on two sides of the through hole (12), two round tubes (15) are respectively arranged on two sides of the side face of the plugging plate (13) close to the central axis of the drill bit (1), the first round tubes (14) and the central axis of the second round tubes (15) are collinear, two first through holes (16) are formed in the top surface of the drill bit (1), inserting rods (17) are inserted in the first through holes (16), round rods (18) are fixed on the top ends of the inserting rods (17), and the bottom ends of the inserting rods (17) are sequentially inserted in the first round tubes (14) and the second round tubes (15).

3. A lockable drill bit according to claim 2, characterized in that: the outer peripheral surface of the inserted link (17) is provided with an external thread (19), the external thread (19) is positioned at one end of the inserted link (17) close to the round bar (18), and the external thread (19) is in threaded connection with the inner wall of the through hole I (16).

4. A lockable drill bit according to claim 2, characterized in that: be provided with movable plate (2) in drill bit (1), the outer peripheral face of movable plate (2) with the inner peripheral face of drill bit (1) is laminated mutually, movable plate (2) are located wire rope (11) with between the interior top surface of drill bit (1), the bottom surface of movable plate (2) is fixed with a plurality of push rods (22), be provided with in drill bit (1) and be used for the drive movable plate (2) are along the drive assembly of vertical removal.

5. The lockable drill bit of claim 4, further comprising: the driving assembly comprises a sleeve (24) which is arranged on the inner top surface of the drill bit (1) in a rotating mode, a through hole II (28) is formed in the top surface of the drill bit (1), the central axis of the sleeve (24) is collinear with the central axis of the through hole II (28), a screw (23) is fixed on the top surface of the moving plate (2), the top end of the screw (23) sequentially penetrates through the sleeve (24) and the through hole II (28), the screw (23) is in threaded connection with the sleeve (24), the screw (23) is in sliding connection with the drill bit (1) along the vertical direction through the through hole II (28), and a driving piece for driving the sleeve (24) to rotate is arranged on the drill bit (1).

6. The lockable drill bit of claim 5, further comprising: the driving piece comprises a motor (3) arranged on the inner bottom surface of the drill bit (1), a belt wheel I (31) is arranged on an output shaft of the motor (3), a belt wheel II (32) is arranged on the sleeve (24), and a driving belt (33) is wound on the belt wheel I (31) and the belt wheel II (32).

7. The lockable drill bit of claim 4, further comprising: two notches (21) are formed in the outer peripheral surface of the moving plate (2), and the first round tube (14) and the second round tube (15) can penetrate through the notches (21).

8. The lockable drill bit of claim 5, further comprising: the inner top surface of drill bit (1) has seted up circular slot (25), circular slot (25) with through-hole two (28) are linked together, the top of sleeve (24) is inserted and is located in circular slot (25), ring channel (26) have been seted up to the inner peripheral surface of circular slot (25), the outer peripheral surface of sleeve (24) is provided with ring (27), ring (27) set up in ring channel (26), the outer peripheral surface of ring (27) with the inner peripheral surface of ring channel (26) laminating mutually.