CN214463957U

CN214463957U - Screw drilling tool convenient to dismouting

Info

Publication number: CN214463957U
Application number: CN202120218341.1U
Authority: CN
Inventors: 吴立新; 周涛; 王明峰; 芮浩翔; 贾惠; 王明娟
Original assignee: Wuxi Hengtong Petrolic Machinery Co ltd
Current assignee: Wuxi Hengtong Petrolic Machinery Co ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-10-22
Anticipated expiration: 2031-01-27

Abstract

The utility model discloses a screw drilling tool convenient for disassembly and assembly, which belongs to the technical field of drilling equipment and comprises a barrel body, wherein a motor, a cardan shaft, a transmission shaft and a supporting block which are fixedly connected in sequence are arranged in the barrel body, the bottom end of the supporting block is provided with a first groove and a drill bit, the groove is connected with a connecting block through a plurality of first springs, the top end of the drill bit is provided with a second groove, both sides of the bottom end of the connecting block are provided with limiting grooves, both side walls of the second groove are provided with third grooves, both sides of the drill bit are in threaded connection with bolts, one end of each bolt extends into the third groove and is fixed with a limiting block, and the limiting block is connected with the third groove through a second spring surrounding the side surface of each bolt; by using the screw drilling tool, the bolt is rotated to drive the limiting block to leave or enter the limiting groove, so that the drill bit is convenient to disassemble and assemble, regular replacement is guaranteed, normal work can be realized, the design is reasonable, and the popularization is convenient.

Description

Screw drilling tool convenient to dismouting

Technical Field

The utility model relates to a drilling equipment technical field, in particular to screw rod drilling tool convenient to dismouting.

Background

The screw drilling tool is a positive displacement downhole power drilling tool which takes drilling fluid as power and converts liquid pressure energy into mechanical energy. When slurry pumped by the slurry pump flows through the bypass valve and enters the motor, a certain pressure difference is formed between the inlet and the outlet of the motor, the rotor is pushed to rotate around the axis of the stator, and the rotating speed and the torque are transmitted to the drill bit through the universal shaft and the transmission shaft, so that the drilling work is realized.

The drill bit dismouting gets up to waste time and energy, very trouble on current screw rod drilling tool, and the drill bit needs the periodic replacement just can normally work, consequently need design the screw rod drilling tool of the dismouting of being convenient for solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screw rod drilling tool convenient to dismouting to thereby solve current screw rod drilling tool and go up the drill bit dismouting and get up to waste time and energy, very trouble thereby be difficult to change the problem that influences normal work.

For solving the technical problem, the utility model provides a screw rod drilling tool convenient to dismouting, the novel nipple rectifier comprises a cylindrical shel, be equipped with fixed connection's motor, cardan shaft, transmission shaft and supporting shoe in proper order in the barrel, open the supporting shoe bottom has first recess and is equipped with the drill bit, the recess has the connecting block through a plurality of first spring coupling of root, open on the drill bit top has the second recess, the spacing groove has all been opened to connecting block bottom both sides, third recess has all been opened to second recess both sides wall, the equal threaded connection in drill bit both sides has the bolt, bolt one end extends to be fixed with the spacing piece in the third recess, the stopper with the third recess through encircle in the second spring coupling of bolt side.

Optionally, two connecting rods are fixed to the bottom ends of the supporting blocks, two supporting rods are arranged at the top end of the drill bit, fixed blocks are fixed to two sides of the bottom end of each supporting rod, the fixed blocks are connected with the top end of the drill bit through screws, a first sliding groove is formed in one side of each connecting rod, and a sliding block located in the sliding groove is fixed to one side of the top end of each supporting rod.

Optionally, fourth grooves are formed in two side walls of the first groove, moving blocks are fixed to two sides of the connecting block, the moving blocks are connected with the two side walls of the fourth groove through telescopic rods and third springs, and the third springs surround the side faces of the telescopic rods.

Optionally, second sliding grooves are formed in two side walls of the third groove, and second sliding blocks located in the second sliding grooves are fixed to two sides of the limiting block.

Optionally, a bypass valve is further arranged at the top end of the cylinder body.

Optionally, a shift lever is detachably connected to the bolt.

The utility model provides a screw drilling tool convenient to dismouting, including the barrel, be equipped with motor, cardan shaft, transmission shaft and the supporting shoe of fixed connection in proper order in the barrel, open the supporting shoe bottom has first recess and is equipped with the drill bit, the recess is connected with the connecting block through a plurality of first springs, open the drill bit top has the second recess, spacing groove has all been opened to connecting block bottom both sides, third recess has all been opened to the both sides wall of second recess, the equal threaded connection in drill bit both sides has the bolt, bolt one end extends to in the third recess and is fixed with the stopper, the stopper with the third recess through the second spring coupling that encircles in the bolt side; by using the screw drilling tool, the bolt is rotated to drive the limiting block to leave or enter the limiting groove, so that the drill bit is convenient to disassemble and assemble, regular replacement is guaranteed, normal work can be realized, the design is reasonable, and the popularization is convenient.

Drawings

FIG. 1 is a schematic view of a screw drill structure convenient for disassembly and assembly provided by the present invention;

fig. 2 is an enlarged view of a in fig. 1.

Detailed Description

The present invention provides a screw drill which is easy to be disassembled and assembled, and is further described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

Example one

The utility model provides a screw drill convenient for disassembly and assembly, the structure of which is shown in figure 1, comprising a cylinder body 1, wherein a motor 3, a cardan shaft 4, a transmission shaft 5 and a supporting block 6 which are fixedly connected in turn are arranged in the cylinder body 1, the bottom end of the supporting block 6 is provided with a first groove 8 and a drill bit 7, the structure of which is shown in figure 2, the groove 8 is connected with a connecting block 10 through a plurality of first springs 9, the first springs 9 are used for damping, the damage of the internal parts of the screw drill convenient for disassembly and assembly caused by violent vibration is avoided, the top end of the drill bit 7 is provided with a second groove 12, both sides of the bottom end of the connecting block 10 are provided with limiting grooves 11, both side walls of the second groove 12 are provided with third grooves 13, both sides of the drill bit 7 are in threaded connection with bolts 14, one end of each bolt 14 extends into the third groove 13 and is fixed with a limiting block 15, the limiting block 15 and the third groove 13 are connected through a second spring 16 surrounding the side face of the bolt 14, and the bolt 14 is rotated to drive the limiting block 15 to leave or enter the limiting groove 11, so that the drill bit 7 is convenient to disassemble, assemble and replace. Use the screw rod drilling tool of dismouting of being convenient for, drill bit 7 can be changed regularly, has guaranteed the screw rod drilling tool of dismouting of being convenient for normally works, reasonable in design, facilitate promotion.

Two connecting rods 17 are fixed at the bottom end of the supporting block 6, two supporting rods 18 are arranged at the top end of the drill bit 7, fixed blocks 19 are fixed on two sides of the bottom end of each supporting rod 18, the fixed blocks 19 are connected with the top end of the drill bit 7 through screws 20, a first sliding groove 21 is formed in one side of each connecting rod 17, and a sliding block 22 located in the sliding groove 21 is fixed on one side of the top end of each supporting rod 18 and used for enhancing the connecting force between the drill bit 7 and the supporting block 6; fourth grooves 23 are formed in two side walls of the first groove 8, moving blocks 24 are fixed on two sides of the connecting block 10, the two side walls of the moving blocks 24 and the four side walls of the fourth grooves 23 are connected through telescopic rods 25 and third springs 26, and the third springs 26 surround the side surfaces of the telescopic rods 25 and are used for further shock absorption; second sliding grooves 27 are formed in two side walls of the third groove 13, second sliding blocks 28 located in the second sliding grooves 27 are fixed to two sides of the limiting block 15, the limiting block 15 is guaranteed to move horizontally all the time, the phenomenon that the limiting block 15 inclines and cannot enter the limiting groove 11 is avoided, and a bypass valve 2 is further arranged at the top end of the barrel body 1; a shift lever 29 is detachably connected to the bolt 14 to facilitate rotation of the bolt 14.

Specifically, when the drill bit needs to be detached, firstly, the shift lever 29 is rotated, the bolt 14 drives the limiting block 15 to leave the limiting groove 11, the screw 20 is unscrewed, the supporting rod 18 is detached from the top end of the drill bit 7, and then the drill bit 7 can be detached from the supporting block 6; during installation, the connecting block 10 is firstly placed in the second groove 12, then the driving lever 29 is rotated, the bolt 14 drives the limiting block 15 to move into the limiting groove 11 to fix the connecting block 10 in the second groove 12, and finally the screw 20 is screwed down to fix the supporting rod 18 at the top end of the drill bit 7, so that the installation work of the drill bit 7 is completed.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.

Claims

1. The screw drilling tool convenient to disassemble and assemble comprises a barrel body (1) and is characterized in that a motor (3), a universal shaft (4), a transmission shaft (5) and a supporting block (6) which are sequentially and fixedly connected are arranged in the barrel body (1), a first groove (8) and a drill bit (7) are formed in the bottom end of the supporting block (6), the groove (8) is connected with a connecting block (10) through a plurality of first springs (9), a second groove (12) is formed in the top end of the drill bit (7), limiting grooves (11) are formed in two sides of the bottom end of the connecting block (10), third grooves (13) are formed in two side walls of the second groove (12), bolts (14) are connected in threaded connection with two sides of the drill bit (7), one end of each bolt (14) extends into the corresponding third groove (13) and is fixed with a limiting block (15), and the limiting blocks (15) and the corresponding third grooves (13) are connected through second springs (16) which encircle the side faces of the bolts (14) .

2. The screw drill convenient to disassemble and assemble as claimed in claim 1, wherein two connecting rods (17) are fixed at the bottom end of the supporting block (6), two supporting rods (18) are arranged at the top end of the drill bit (7), fixed blocks (19) are fixed at both sides of the bottom end of the supporting rods (18), the fixed blocks (19) are connected with the top end of the drill bit (7) through screws (20), a first sliding groove (21) is formed in one side of each connecting rod (17), and a sliding block (22) located in the sliding groove (21) is fixed at one side of the top end of each supporting rod (18).

3. The easy-to-disassemble and assemble screw drill according to claim 1, wherein both side walls of the first groove (8) are provided with fourth grooves (23), both sides of the connecting block (10) are fixed with moving blocks (24), both side walls of the moving blocks (24) and the fourth grooves (23) are connected through a telescopic rod (25) and a third spring (26), and the third spring (26) surrounds the side surface of the telescopic rod (25).

4. The easy-to-dismount screw drill according to claim 1, wherein the two side walls of the third groove (13) are both provided with second sliding grooves (27), and the two sides of the stop block (15) are both fixed with second sliding blocks (28) located in the second sliding grooves (27).

5. The easy-to-dismount screw drill according to claim 1, characterized in that the top end of the barrel (1) is further provided with a bypass valve (2).

6. The easy-to-dismount screw drill according to claim 1, characterized in that a driving lever (29) is detachably connected to said bolt (14).