CN-122014103-A - High-efficient broken rock drill bit based on torsion is strikeed

CN122014103ACN 122014103 ACN122014103 ACN 122014103ACN-122014103-A

Abstract

The invention discloses a high-efficiency rock breaking drill bit based on torsion impact, which belongs to the technical field of rock breaking tools and comprises a support shell, wherein an installation base plate is fixedly connected inside the support shell, and one side of the installation base plate is fixedly connected with a servo motor; the structural design couples the reciprocating impact motion and the gas chip removing function, so that chip removing operation can be realized by means of the kinetic energy of the impact mechanism, an independent chip removing power source is not required to be additionally arranged, system redundancy is reduced, rock chips are effectively removed by utilizing the intermittence of the reciprocating motion, friction and abrasion are reduced, and the continuous and efficient rock breaking state of the drill bit is maintained.

Inventors

Ning Wangluo
MA TIANCHI
ZHAO YUCHENG
LIU JUN
LI WEI
XIE RUI
LI YURU
JIAO SHENGJIE
LIANG YING
ZHAO HUAN
YUAN RUIXIA
LIU YAPENG

Assignees

东北石油大学

Dates

Publication Date: 20260512
Application Date: 20260410

Claims (6)

1. A high-efficiency rock breaking drill bit based on torsion impact comprises a support shell (1), and is characterized in that an installation base plate (3) is fixedly connected to the inside of the support shell (1), a servo motor (301) is fixedly connected to one side of the installation base plate (3), a driving gear (3011) is installed on an output shaft of the servo motor (301), a connecting base (3012) is fixedly connected to the inner side of the support shell (1), a driven gear (3013) is rotatably connected to the inside of the connecting base (3012), the driven gear (3013) is in meshed transmission with the driving gear (3011), a stirring block (3014) is coaxially installed at the top end of the driven gear (3013), an upper cover plate (101) is installed at the top end of the support shell (1), a stepless speed regulating stirring block (1013) is electrically connected with the stirring block (3014) and used for regulating magnetic strength of the stirring block (3014), a driving spring 3015) is fixedly connected to the top end of the connecting base (3012), a reciprocating push rod (3016) is installed, a reciprocating push rod (3016) is fixedly connected to the top end of the connecting base (3016), the reset spring (3017) is used for promoting the reset of the reciprocating push rod (3016) to the left, one end of the reciprocating push rod (3016) is in transmission connection with a crushing drill bit (5013) for crushing rock, the stirring block (3014) is used for intermittently pushing the reciprocating push rod (3016) to move so as to realize torsion impact on the crushing drill bit (5013), an electromagnetic plate (30161) is fixedly connected to one side of the reciprocating push rod (3016) close to the stirring block (3014), the stirring block (3014) is of an electromagnetic structure, when the stirring block (3014) is in a state close to an electromagnetic plate (30161), the electromagnetic plate (30161) is in a state of being pushed to a far end by magnetism, one side of the reciprocating push rod (3016) is fixedly connected with a connecting baffle (3018), one end of the connecting baffle (3018) is fixedly connected with a piston sleeve (3019), a piston rod (30162) is arranged in the interior of the piston sleeve (3019), the piston rod (30162) is connected with the electromagnetic plate (30161), one side of the piston sleeve (30162) is fixedly connected with the piston sleeve (30124) to the piston (30142), the piston (30142) is used for compressing the piston (30142), one end fixedly connected with of piston sleeve (3019) extends intake pipe (3020) of supporting casing (1), intake check valve (3021) is installed in the outside of intake pipe (3020), the other end fixedly connected with of piston sleeve (3019) bleeder (3022), the outside fixedly connected with bleeder check valve (3023) of bleeder (3022), the supporting casing (1) is extended to the outside in the end of giving vent to anger of bleeder (3022) to be used for blowing to one side of broken drill bit (5013) and clear bits.
2. The high-efficiency rock breaking drill bit based on torsion impact according to claim 1, wherein a mounting hole is formed in the upper cover plate (101), a fixing bolt (1011) is mounted in the mounting hole, a holding rod (1012) is fixedly connected to the outer wall of the support shell (1), two positions are arranged on the holding rod (1012), and the two positions of the holding rod (1012) are symmetrically and fixedly arranged on the front side and the rear side of the outer wall of the support shell (1).
3. The high-efficiency rock breaking drill bit based on torsion impact according to claim 1, wherein a storage battery (2) is fixedly connected to the inner side of the supporting shell (1), one end of the storage battery (2) is fixedly connected with a charging interface (201), and the charging interface (201) extends out of the supporting shell (1) to the outer side.
4. The efficient rock breaking drill bit based on torsion impact according to claim 1, wherein a supporting base plate (4) is fixedly connected to the inner side of the supporting shell (1), a breaking motor (401) is fixedly connected to one side of the supporting base plate (4), a gear rod (4011) is installed on an output shaft of the breaking motor (401), a connecting rotating shaft (5) is rotatably connected to the inner side of the supporting base plate (4), a guide gear (501) is fixedly connected to the outer wall of the connecting rotating shaft (5), and the guide gear (501) is in meshed transmission with the gear rod (4011).
5. The high-efficiency rock breaking drill bit based on torsional impact according to claim 4, wherein a connecting chuck (5011) is fixedly connected to the outer side of the connecting rotating shaft (5), an adjusting head (5012) is fixedly connected to one side, far away from the connecting rotating shaft (5), of the connecting chuck (5011), a breaking drill bit (5013) is limited by the inner side clamping of the adjusting head (5012), and the breaking drill bit (5013) is used for breaking rocks.
6. The high-efficiency rock breaking drill bit based on torsion impact according to claim 1, wherein one end of the reciprocating push rod (3016) is connected with the connecting rotating shaft (5), and when the stirring block (3014) is in a state of stirring the reciprocating push rod (3016) to move to the right, the reciprocating push rod (3016) is in a state of pushing the breaking drill bit (5013) to reciprocate.

Description

High-efficient broken rock drill bit based on torsion is strikeed Technical Field The invention relates to the technical field of rock breaking tools, in particular to a high-efficiency rock breaking drill bit based on torsion impact. Background With the gradual exhaustion of shallow oil and gas resources, drilling operations of deep hard formations (such as granite, quartz sandstone and the like) are increasingly becoming normal. Polycrystalline diamond compact bits (PDC bits) have become the current mainstream rock breaking tools due to their efficient rock breaking capability. However, in the process of drilling a deep and hard stratum, the compressive strength of rock is high, the torque fluctuation of a drill bit is severe, and the phenomenon of 'stick-slip vibration' is extremely easy to induce. The phenomenon is characterized in that the drill bit frequently generates instant clamping stagnation and sudden release in the drilling process, so that the cutting teeth are broken in an impact manner, the mechanical drilling speed is obviously reduced, and the time and cost of drilling operation are increased; In the operation process of the existing rock breaking drill bit, the technical scheme that the gas cleaning drill bit can be synchronously driven by the reciprocating motion generated by the impact mechanism is not yet available, and the structural design for coupling the reciprocating impact motion with the gas chip cleaning function is lacking, so that chip cleaning operation cannot be realized by means of the kinetic energy of the impact mechanism, system redundancy is increased, and the opportunity for intermittently cleaning rock chips by using the reciprocating motion, reducing friction and abrasion and maintaining the drill bit to continuously and efficiently break the rock is also missed. Disclosure of Invention The invention aims to solve the problems that in the prior art, the chip removing operation cannot be realized by the kinetic energy of an impact mechanism, so that the system redundancy is increased, and the time for intermittently removing rock chips, reducing friction and abrasion and maintaining the continuous efficient rock breaking of a drill bit by utilizing reciprocating motion is missed. In order to achieve the above purpose, the present invention adopts the following technical scheme: The high-efficiency rock breaking drill bit based on torsion impact comprises a supporting shell, wherein an installation base plate is fixedly connected to the inside of the supporting shell, a servo motor is fixedly connected to one side of the installation base plate, a driving gear is installed on an output shaft of the servo motor, a connecting base is fixedly connected to the inside of the supporting shell, a driven gear is rotatably connected to the inside of the connecting base, the driven gear is meshed with the driving gear for transmission, a stirring block is coaxially installed at the top end of the driven gear, an upper cover plate is installed at the top end of the supporting shell, a stepless speed regulating stirring block is installed on the upper cover plate and is electrically connected with the stirring block and used for adjusting the magnetic strength of the stirring block, an installation baffle is fixedly connected to the top end of the connecting base, a reciprocating push rod is inserted into the installation baffle and is arranged, the installation baffle is used for guiding reciprocating motion of the reciprocating push rod, a reset spring is fixedly connected to one side of the reciprocating push rod and used for promoting the reciprocating push rod to reset to the left side, one end of the reciprocating push rod is in transmission connection with a breaking drill bit used for breaking rock, and the stirring block is used for intermittently pushing the reciprocating push rod to move to the reciprocating push rod to realize torsion impact on the drill bit. Preferably, an electromagnetic plate is fixedly connected to one side, close to the poking block, of the reciprocating push rod, the poking block is of an electromagnetic structure, and when the poking block is in a state close to the electromagnetic plate, the electromagnetic plate is in a state of being magnetically pushed to move towards the far end. Preferably, one side fixedly connected with connection baffle of reciprocal push rod, connection baffle's one end fixedly connected with piston sleeve, piston sleeve's internally mounted has the piston rod, the piston rod is connected with the electromagnetic plate, the one end fixedly connected with of piston rod is used for compressing the inside gaseous piston plate of piston sleeve. Preferably, a piston spring is fixedly connected between the piston plate and the piston sleeve, and the piston spring is used for pushing the electromagnetic plate to reset to one side of the poking block. Preferably, one end of the piston sleeve is fixedly connected with an air i