CN214659970U

CN214659970U - Drill bit device

Info

Publication number: CN214659970U
Application number: CN202120160427.3U
Authority: CN
Inventors: 徐佐周; 赵志云
Original assignee: Hangzhou Tuyao Technology Co ltd
Current assignee: Hangzhou Tuyao Technology Co ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-11-09
Anticipated expiration: 2031-01-21

Abstract

The utility model discloses a drill bit device aims at providing one kind and can control the drill bit device of water yield according to the downthehole soil property condition of stake and the water yield condition. It includes the drill bit body, the bottom sliding connection of drill bit body has the cutter, be equipped with out the water passageway in the drill bit recess, it is connected with the rotating tube to go out the water passageway internal rotation, the bottom sliding connection of rotating tube has the sliding body, the up end of cutter is equipped with the cutter recess, the sliding body rotates with the cutter recess and is connected, be equipped with apopore one on the bottom surface of cutter recess, sliding body and rotating tube intercommunication, be equipped with in the sliding body with apopore one assorted apopore two. The utility model has the advantages that: the water yield can be controlled according to the soil quality and water quantity in the pile hole; detecting the soil quality condition and the water quantity condition in the pile hole through a humidity sensor; the buffering performance of the drill bit during operation is improved.

Description

Drill bit device

Technical Field

The utility model belongs to the technical field of the relevant technique of drill bit and specifically relates to indicate a drill bit device.

Background

The rotary digging machine is a comprehensive drilling machine, can be used for various bottom layers, has the characteristics of high hole forming speed, less pollution, strong maneuverability and the like, and is a construction machine suitable for hole forming operation in building foundation engineering. The method is mainly suitable for the construction of soil layers such as sandy soil, cohesive soil, silty soil and the like, and is widely applied to the construction of various foundation foundations such as cast-in-place piles, continuous walls, foundation reinforcement and the like.

When a drill bit of the rotary drilling rig drills, the temperature of the drill bit needs to be reduced and a stratum block needs to be softened by continuously injecting water. And the staff can't observe the soil property change condition and the downthehole actual conditions of stake of the in-process of creeping into constantly, often can lead to the stake hole to collapse because of the water injection is too much for drilling engineering merit is short of one step.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome among the prior art when creeping into the stake hole can lead to collapsing because the water injection is too much not enough, provide one kind can be according to the downthehole soil property condition of stake and the water yield condition and control the drill bit device of water yield.

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

a drill bit device comprises a drill bit body, wherein a drill bit groove is arranged on the lower end surface of the drill bit body, a cutter is arranged in the drill bit groove, the cutter is connected with the drill bit groove in a sliding way, a water outlet channel is arranged on the bottom surface of the drill bit groove, a rotating pipe is arranged in the water outlet channel and is rotationally connected with the water outlet channel, a sliding body is arranged at the bottom of the rotating pipe, one end of the sliding body is connected with the rotating pipe in a sliding way, the upper end surface of the cutter is provided with a cutter groove matched with the other end of the sliding body, the other end of the sliding body is arranged in the cutter groove and is rotationally connected with the cutter groove, the bottom surface of the cutter groove is provided with a plurality of water outlet holes I, the sliding body is internally provided with a sliding body cavity which is communicated with the rotating pipe, and the bottom surface of the sliding body cavity is provided with a water outlet hole II matched with the water outlet hole I.

The drill bit comprises a drill bit body, a drill bit groove is arranged on the lower end face of the drill bit body, a cutter is arranged in the drill bit groove, the cutter is in sliding connection with the drill bit groove, a water outlet channel is arranged on the bottom face of the drill bit groove, a rotating pipe is installed in the water outlet channel and is in rotating connection with the water outlet channel, a sliding body is installed at the bottom of the rotating pipe, one end of the sliding body is in sliding connection with the rotating pipe, a cutter groove matched with the other end of the sliding body is arranged on the upper end face of the cutter, the other end of the sliding body is installed in the cutter groove and is in rotating connection with the cutter groove, a plurality of water outlet holes I are formed in the bottom face of the cutter groove, a sliding body cavity is formed in the sliding body, the sliding body cavity is communicated with the rotating pipe, a water outlet hole II matched with the water outlet hole I is formed in the bottom face of the sliding body, and when the drill bit body detects that the soil quality condition in the pile hole is dry soil, the rotating pipe is controlled to rotate, drive the slide rotatory, make apopore one just to apopore two, make the drill bit body keep big water yield, be used for softening the stratum fast in order to make things convenient for the drilling of drill bit body, when the drill bit body detects the soil property condition in the stake hole for the moist soil property, the control rotating tube is rotatory, it is rotatory to drive the slide, make apopore one stagger with apopore two parts, make the water yield that the drill bit body keeps little, increase softening of stratum in order to make things convenient for the drilling of drill bit body, when the drill bit body detects the downthehole water yield of stake when more, the control rotating tube is rotatory, it is rotatory to drive the slide, make apopore one stagger apopore two, make the drill bit body not go out water, prevent that the stake hole water injection is too much and lead to collapsing.

Preferably, one end of the water outlet channel is communicated with the bottom surface of the drill bit groove, the other end of the water outlet channel is communicated with the upper end surface of the drill bit body, the water outlet channel is located at the middle position inside the drill bit body, a cylinder is fixed on the upper end surface of the drill bit body, the other end of the water outlet channel is located in the cylinder, external threads are arranged on the outer side surface of the cylinder, the drill bit body is fixed on a drill rod through the external threads, and water flows into the water outlet channel through the inside of the drill rod and then flows out of the water outlet channel.

Preferably, the top of rotating tube is fixed with the fixed plate, the shape of cross section of fixed plate is circular, be equipped with on the inside wall of play water passageway with fixed plate assorted side recess, the fixed plate is installed in the side recess and is rotated with the side recess and be connected, this internal drill bit cavity that is equipped with of drill bit, the drill bit cavity is arranged in the both sides of fixed plate and is communicated with the side recess, evenly distributed has a plurality of arc guide block on the side of fixed plate, the arc guide block of fixed plate both sides is arranged in the drill bit cavity, the fixed plate is installed in the side recess, the drill bit body drives the rotation of fixed plate through the motion that promotes the arc guide block on the fixed plate side, and then drive the rotation of rotating tube.

Preferably, a rotating disc is installed on the top surface of the drill cavity, the rotating disc is connected with the drill cavity in a rotating mode, a rotating disc fixing rod is fixed to the edge of the lower end face of the rotating disc, the rotating disc fixing rod is arranged on the side face of the arc-shaped guide block, a motor is fixed inside the drill, the motor is arranged above the drill cavity, the motor is fixedly connected with the rotating disc, the rotating disc is connected with the drill cavity in a rotating mode through the motor, a humidity sensor is arranged on the outer side wall of the drill body and electrically connected with the motor, the humidity sensor is used for detecting the soil condition and the water condition in the pile hole and sending signals to the motor, the motor controls the rotating disc to rotate according to the signals sent by the humidity sensor, the rotating disc fixing rod is driven to move, the arc-shaped guide block is pushed, and the rotating pipe is controlled to rotate.

Preferably, the sliding body comprises a straight pipe and a fixed block, the straight pipe is fixedly connected with the fixed block, the straight pipe is sleeved on the outer side of the rotating pipe, rotating pipe sliding grooves are formed in the two sides of the bottom of the rotating pipe, a straight pipe sliding block matched with the rotating pipe sliding grooves is arranged on the inner side wall of the straight pipe, the straight pipe is in sliding connection with the rotating pipe through the matching of the straight pipe sliding block and the rotating pipe sliding grooves, a guide groove matched with the straight pipe is formed between the water outlet pipeline and the drill bit groove, the straight pipe is arranged in the guide groove and is in sliding connection with the guide groove, a first spring is arranged in the guide groove, one end of the first spring is fixed on the bottom surface of the guide groove, the other end of the first spring is fixedly connected with the straight pipe, the sliding body is clamped by the matching of the rotating pipe sliding grooves and the straight pipe sliding block, the sliding body slides up and down along the rotating pipe sliding grooves through the straight pipe sliding block, and the springs play a role in buffering and resetting of the cutter together.

Preferably, the fixed block is fixed at the bottom of the straight pipe, the cross section of the fixed block is semicircular, the fixed block is arranged in the cutter groove and is rotatably connected with the cutter groove, the second water outlet hole is positioned in the fixed block and is communicated with the interior of the straight pipe, and when the rotating pipe rotates, the rotating pipe drives the guide block on the sliding body to rotate in the cutter groove so as to adjust the position of the second water outlet hole and control the water yield.

Preferably, the oil cavity is formed in the drill bit body, the oil cavity is arranged on two sides of the guide groove, the connecting channel is arranged between the oil cavity and the drill bit groove, the piston rods matched with the connecting channel are arranged on two sides of the upper end face of the cutter, the piston rods are arranged in the connecting channel and are in sliding connection with the connecting channel, when the drilling machine drills the ground with hard soil, the drill bit is prone to being broken, the additionally-arranged oil cavity increases the buffering effect on the cutter during drilling, and the service life of the drill bit is prolonged.

Preferably, a second spring is sleeved on the outer side of the piston rod, one end of the second spring is fixed on the cutter, the other end of the second spring is fixed on the bottom surface of the groove of the drill bit, one end of the piston rod is fixedly connected with the cutter, the other end of the piston rod is arranged in the oil cavity, a piston is fixed on the piston, the piston is in sliding connection with the oil cavity, pressure oil is arranged in the oil cavity, a plurality of piston through holes are formed in the piston, a sealing ring is installed at the joint of the connecting channel and the oil cavity, the buffering performance of the drill bit during operation is improved through the added second spring, the situation that the drill bit is subjected to extrusion wear due to long-time operation drilling is avoided, the service life of the drill bit is prolonged, and the damping force between the pressure oil and the piston through holes can also offset the impact force of part of the cutter in the drilling process.

The utility model has the advantages that: the water yield can be controlled according to the soil quality and water quantity in the pile hole; the soil quality condition and the water quantity condition in the pile hole are detected through the humidity sensor, so that intelligent water outlet of the drill bit body is realized; the added first spring and the second spring improve the buffering performance of the drill bit during operation, avoid the situation that the drill bit is subjected to extrusion abrasion due to long-time operation drilling of the drill bit, and prolong the service life of the drill bit.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an internal structural view of FIG. 1;

FIG. 3 is a schematic structural view of the fixing plate of FIG. 2;

fig. 4 is an enlarged view at a in fig. 2.

In the figure: 1. the drill bit comprises a cylinder, 2 external threads, 3 a drill bit body, 4 a cutter, 5 a water outlet channel, 6 a humidity sensor, 7 a rotating pipe, 8 a spring I, 9 a guide groove, 10 a rotating pipe sliding groove, 11 a straight pipe sliding block, 12 a sliding body, 13 a straight pipe, 14 a fixed block, 15 a cutter groove, 16 a water outlet II, 17 a water outlet I, 18 a drill bit groove, 19 a sliding body cavity, 20 a piston rod, 21 an oil cavity, 22 a piston, 23 a side groove, 24 a fixed plate, 25 an arc-shaped guide block, 26 a rotating disc fixed rod, 27 a drill bit cavity, 28 a rotating disc, 29 a motor, 30 pressure oil, 31 a piston through hole, 32 a sealing ring, 33 a connecting channel and 34 a spring II.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description.

In the embodiment shown in fig. 1 and 2, a drill bit device comprises a drill bit body 3, a drill bit groove 18 is arranged on the lower end surface of the drill bit body 3, a cutter 4 is arranged in the drill bit groove 18, the cutter 4 is slidably connected with the drill bit groove 18, a water outlet channel 5 is arranged on the bottom surface of the drill bit groove 18, a rotating pipe 7 is arranged in the water outlet channel 5, the rotating pipe 7 is rotatably connected with the water outlet channel 5, a sliding body 12 is arranged at the bottom of the rotating pipe 7, one end of the sliding body 12 is slidably connected with the rotating pipe 7, a cutter groove 15 matched with the other end of the sliding body 12 is arranged on the upper end surface of the cutter 4, the other end of the sliding body 12 is arranged in the cutter groove 15 and rotatably connected with the cutter groove 15, a plurality of first 17 are arranged on the bottom surface of the cutter groove 15, a sliding body cavity 19 is arranged in the sliding body 12, and the sliding body cavity 19 is communicated with the rotating pipe 7, and a second water outlet 16 matched with the first water outlet 17 is arranged on the bottom surface of the sliding body cavity 19.

As shown in fig. 2, one end of the water outlet channel 5 is communicated with the bottom surface of the drill recess 18, the other end of the water outlet channel 5 is communicated with the upper end surface of the drill body 3, the water outlet channel 5 is located at the middle position inside the drill body 3, the upper end surface of the drill body 3 is fixed with a cylinder 1, the other end of the water inlet channel is located inside the cylinder 1, and the outer side surface of the cylinder 1 is provided with an external thread 2.

As shown in fig. 2 and 3, a fixing plate 24 is fixed at the top of the rotating tube 7, the fixing plate 24 has a circular cross section, a side groove 23 matched with the fixing plate 24 is formed in the inner side wall of the water outlet channel 5, the fixing plate 24 is installed in the side groove 23 and rotatably connected with the side groove 23, a drill cavity 27 is formed in the drill body 3, the drill cavity 27 is arranged on two sides of the fixing plate 24 and communicated with the side groove 23, a plurality of arc-shaped guide blocks 25 are uniformly distributed on the side surface of the fixing plate 24, and the arc-shaped guide blocks 25 on two sides of the fixing plate 24 are arranged in the drill cavity 27.

As shown in fig. 2 and 3, a rotary disc 28 is mounted on the top surface of the drill cavity 27, the rotary disc 28 is rotatably connected with the drill cavity 27, a rotary disc fixing rod 26 is fixed at the edge of the lower end surface of the rotary disc 28, the rotary disc fixing rod 26 is arranged on the side surface of the arc-shaped guide block 25, a motor 29 is fixed inside the drill body 3, the motor 29 is arranged above the drill cavity 27, the motor 29 is fixedly connected with the rotary disc 28, the rotary disc 28 is rotatably connected with the drill cavity 27 through the motor 29, and the humidity sensor 6, the humidity sensor 6 and the motor 29 are electrically connected on the outer side wall of the drill body 3.

As shown in fig. 2, the sliding body 12 includes a straight pipe 13 and a fixed block 14, the straight pipe 13 is fixedly connected with the fixed block 14, the straight pipe 13 is sleeved outside the rotating pipe 7, rotating pipe sliding grooves 10 are respectively arranged on two sides of the bottom of the rotating pipe 7, a straight pipe sliding block 11 matched with the rotating pipe sliding grooves 10 is arranged on the inner side wall of the straight pipe 13, the straight pipe 13 is slidably connected with the rotating pipe 7 through the matching of the straight pipe sliding block 11 and the rotating pipe sliding grooves 10, a guide groove 9 matched with the straight pipe 13 is arranged between the water outlet channel 5 and the drill bit groove 18, the straight pipe 13 is arranged in the guide groove 9 and is slidably connected with the guide groove 9, a first spring 8 is arranged in the guide groove 9, one end of the first spring 8 is fixed on the bottom surface of the guide groove 9, and the other end of the first spring 8 is fixedly connected with the straight pipe 13.

As shown in fig. 2, the fixing block 14 is fixed at the bottom of the straight pipe 13, the cross section of the fixing block 14 is semicircular, the fixing block 14 is placed in the cutter groove 15 and is rotatably connected with the cutter groove 15, the second water outlet 16 is located inside the fixing block 14, and the second water outlet 16 is communicated with the inside of the straight pipe 13.

As shown in fig. 2 and 4, an oil chamber 21 is provided inside the drill body 3, the oil chamber 21 is disposed on both sides of the guide groove 9, a connecting channel 33 is provided between the oil chamber 21 and the drill recess 18, a piston rod 20 matching with the connecting channel 33 is provided on both sides of the upper end surface of the cutter 4, and the piston rod 20 is disposed in the connecting channel 33 and slidably connected with the connecting channel 33.

As shown in fig. 2 and 4, a second spring 34 is sleeved outside the piston rod 20, one end of the second spring 34 is fixed on the cutter 4, the other end of the second spring 34 is fixed on the bottom surface of the drill recess 18, one end of the piston rod 20 is fixedly connected with the cutter 4, the other end of the piston rod 20 is arranged in the oil chamber 21 and is fixed with a piston 22, the piston 22 is slidably connected with the oil chamber 21, pressure oil 30 is arranged in the oil chamber 21, a plurality of piston through holes 31 are arranged on the piston 22, and a sealing ring 32 is arranged at the joint of the connecting channel 33 and the oil chamber 21.

The principle is as follows: drill bit body 3 is used for detecting the downthehole soil property condition of stake and the water yield condition through humidity transducer 6 to give motor 29 with signal transmission, motor 29 rotates according to the signal control rolling disc 28 that humidity transducer 6 sent, drives rolling disc dead lever 26 and moves and promote the arc guide block 25 on the rotating tube 7, and then control rotating tube 7's rotation, with the relative and apopore 17's of adjustment apopore two 16 position, reach the purpose of control water yield.

When the drill bit body 3 detects that the soil condition in the pile hole is dry soil, the rotating pipe 7 is controlled to rotate to drive the sliding body 12 to rotate, so that the second water outlet hole 16 is opposite to the first water outlet hole 17, and the drill bit body 3 keeps a large water yield to quickly soften the stratum so as to facilitate drilling of the drill bit body 3; when the drill bit body 3 detects that the soil condition in the pile hole is moist soil, the rotating pipe 7 is controlled to rotate to drive the sliding body 12 to rotate, so that the water outlet holes II 16 and the water outlet holes I17 are partially staggered, the water yield of the drill bit body 3 is kept small, and the softening of the stratum is increased to facilitate the drilling of the drill bit body 3; when the downthehole water yield of stake is more detected as drill bit body 3, control rotating-tube 7 is rotatory, drives the slider 12 rotatory, makes two 16 apopores 17 that stagger, and drill bit body 3 does not go out water, prevents that the stake hole water injection is too much and leads to collapsing.

Claims

1. A drill bit device is characterized by comprising a drill bit body (3), wherein a drill bit groove (18) is formed in the lower end face of the drill bit body (3), a cutter (4) is arranged in the drill bit groove (18), the cutter (4) is connected with the drill bit groove (18) in a sliding manner, a water outlet channel (5) is formed in the bottom face of the drill bit groove (18), a rotating pipe (7) is installed in the water outlet channel (5), the rotating pipe (7) is connected with the water outlet channel (5) in a rotating manner, a sliding body (12) is installed at the bottom of the rotating pipe (7), one end of the sliding body (12) is connected with the rotating pipe (7) in a sliding manner, a cutter groove (15) matched with the other end of the sliding body (12) is formed in the upper end face of the cutter (4), the other end of the sliding body (12) is installed in the cutter groove (15) and is connected with the cutter groove (15) in a rotating manner, be equipped with a plurality of apopore (17) on the bottom surface of cutter recess (15), slider (12) inside is equipped with slider cavity (19), slider cavity (19) and rotating tube (7) intercommunication, be equipped with on the bottom surface of slider cavity (19) with apopore one (17) assorted apopore two (16).

2. The drill bit device as claimed in claim 1, wherein one end of the water outlet channel (5) is communicated with the bottom surface of the drill bit groove (18), the other end of the water outlet channel (5) is communicated with the upper end surface of the drill bit body (3), the water outlet channel (5) is located at the middle position inside the drill bit body (3), the cylinder (1) is fixed on the upper end surface of the drill bit body (3), the other end of the water outlet channel (5) is located inside the cylinder (1), and the outer side surface of the cylinder (1) is provided with the external thread (2).

3. The drill bit device as claimed in claim 1, wherein a fixing plate (24) is fixed to the top of the rotating pipe (7), the fixing plate (24) is circular in cross section, a side groove (23) matched with the fixing plate (24) is formed in the inner side wall of the water outlet channel (5), the fixing plate (24) is installed in the side groove (23) and rotatably connected with the side groove (23), a drill bit cavity (27) is formed in the drill bit body (3), the drill bit cavity (27) is arranged on two sides of the fixing plate (24) and communicated with the side groove (23), a plurality of arc-shaped guide blocks (25) are uniformly distributed on the side surface of the fixing plate (24), and the arc-shaped guide blocks (25) on two sides of the fixing plate (24) are arranged in the drill bit cavity (27).

4. The drill bit device as claimed in claim 3, wherein a rotating disc (28) is mounted on the top surface of the drill bit cavity (27), the rotating disc (28) is rotatably connected with the drill bit cavity (27), a rotating disc fixing rod (26) is fixed at the edge of the lower end surface of the rotating disc (28), the rotating disc fixing rod (26) is arranged on the side surface of the arc-shaped guide block (25), a motor (29) is fixed inside the drill bit body (3), the motor (29) is arranged above the drill bit cavity (27), the motor (29) is fixedly connected with the rotating disc (28), the rotating disc (28) is rotatably connected with the drill bit cavity (27) through the motor (29), a humidity sensor (6) is arranged on the outer side wall of the drill bit body (3), and the humidity sensor (6) is electrically connected with the motor (29).

5. The drill bit device as claimed in claim 1, wherein the sliding body (12) comprises a straight tube (13) and a fixed block (14), the straight tube (13) is fixedly connected with the fixed block (14), the straight tube (13) is sleeved outside the rotating tube (7), two sides of the bottom of the rotating tube (7) are respectively provided with a rotating tube sliding groove (10), the inner side wall of the straight tube (13) is provided with a straight tube sliding block (11) matched with the rotating tube sliding groove (10), the straight tube (13) is slidably connected with the rotating tube (7) through the matching of the straight tube sliding block (11) and the rotating tube sliding groove (10), a guide groove (9) matched with the straight tube (13) is arranged between the water outlet channel (5) and the drill bit groove (18), the straight tube (13) is arranged in the guide groove (9) and slidably connected with the guide groove (9), a first spring (8) is arranged in the guide groove (9), one end of the first spring (8) is fixed on the bottom surface of the guide groove (9), and the other end of the first spring (8) is fixedly connected with the straight pipe (13).

6. The drill bit device as claimed in claim 5, wherein the fixed block (14) is fixed at the bottom of the straight pipe (13), the cross section of the fixed block (14) is semicircular, the fixed block (14) is arranged in the cutter groove (15) and is rotatably connected with the cutter groove (15), the second water outlet hole (16) is arranged inside the fixed block (14), and the second water outlet hole (16) is communicated with the inside of the straight pipe (13).

7. A drill bit device as claimed in claim 5, characterized in that the interior of the drill bit body (3) is provided with an oil chamber (21), the oil chamber (21) is arranged at both sides of the guide groove (9), a connecting channel (33) is arranged between the oil chamber (21) and the drill bit groove (18), both sides of the upper end surface of the cutter (4) are provided with piston rods (20) matched with the connecting channel (33), and the piston rods (20) are arranged in the connecting channel (33) and are connected with the connecting channel (33) in a sliding manner.

8. The drill bit device as claimed in claim 7, wherein a second spring (34) is sleeved on the outer side of the piston rod (20), one end of the second spring (34) is fixed on the cutter (4), the other end of the second spring (34) is fixed on the bottom surface of the drill bit groove (18), one end of the piston rod (20) is fixedly connected with the cutter (4), the other end of the piston rod (20) is arranged in the oil chamber (21) and is fixedly provided with a piston (22), the piston (22) is slidably connected with the oil chamber (21), pressure oil (30) is arranged in the oil chamber (21), the piston (22) is provided with a plurality of piston through holes (31), and a sealing ring (32) is arranged at the joint of the connecting channel (33) and the oil chamber (21).