CN214944062U

CN214944062U - Screw drilling tool convenient for replacing drill bit

Info

Publication number: CN214944062U
Application number: CN202120218451.8U
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: 2021-11-30
Anticipated expiration: 2031-01-27

Abstract

The utility model discloses a screw rod drilling tool convenient to change drill bit belongs to drilling equipment technical field. The top end of the barrel is provided with a bypass valve, a motor, a universal shaft, a transmission shaft and a supporting block which are fixedly connected in sequence are arranged in the barrel, the bottom end of the supporting block is provided with a connecting block and a drill rod in sequence, the bottom end of the connecting block is fixedly provided with two connecting frames, the top end of the drill rod is provided with two grooves, the bottom end of the drill rod is fixedly provided with a drill bit, a third sliding groove is formed in the inclined plane of the inclined block, the top end of the inclined block is provided with a threaded groove, the bottom end of the inclined block is fixedly provided with a connecting rod, the other end of the connecting rod is fixedly provided with a first sliding block, and one side of the groove is also provided with a limiting groove; a bearing is fixed on the top surface inside the connecting frame and is movably connected with a round rod, the bearing is connected with a threaded rod, a first bevel gear is fixed on the threaded rod, a second bevel gear is fixed at one end of the round rod, and a handle is fixed at the other end of the round rod; the screw drilling tool is time-saving and labor-saving in replacing the drill bit, is very convenient, and ensures normal work of the drill bit.

Description

Screw drilling tool convenient for replacing drill bit

Technical Field

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

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 change drill bit to thereby solve on the current screw rod drilling tool drill bit dismouting get up waste time and energy, very troublesome thereby be difficult to change the problem that influences normal work.

In order to solve the technical problem, the utility model provides a screw drill convenient for replacing a drill bit, which comprises a cylinder body, the top end of the cylinder body is provided with a bypass valve, the inside of the cylinder body is provided with a motor, a cardan shaft, a transmission shaft and a supporting block which are fixedly connected in sequence, the bottom end of the supporting block is sequentially provided with a connecting block and a drill rod, the bottom end of the connecting block is fixedly provided with two connecting frames, the top end of the drill rod is provided with two grooves, the bottom end of the drill rod is fixed with a drill bit, two side walls inside the connecting frame are respectively provided with a first chute and a second chute, an inclined block and a moving rod, a third chute is arranged on the inclined plane of the inclined block, a first slide bar and a second slide bar are respectively fixed on two sides of the movable bar, a threaded groove is arranged at the top end, a connecting bar is fixed at the bottom end, the other ends of the first sliding rod and the second sliding rod are respectively positioned in the first sliding groove and the second sliding groove, and a first sliding block positioned in the third sliding groove is fixed at the other end of the connecting rod; one side of the groove is also provided with a limit groove;

a bearing is fixed on the top surface inside the connecting frame, the bearing is connected with a threaded rod, a first bevel gear is fixed on the threaded rod, and the bottom end of the threaded rod is positioned in the threaded groove and is in threaded connection with the threaded groove;

one side of the top end of the connecting frame is also movably connected with a round rod, one end of the round rod is fixed with a second bevel gear which is in meshing transmission with the first bevel gear, and the other end of the round rod is positioned on the connecting frame and is fixed with a handle.

Optionally, the supporting block is connected with the connecting block through a plurality of telescopic rods and a plurality of springs, the number of the telescopic rods is the same as that of the springs, and the springs are correspondingly wound around the side faces of the telescopic rods one by one.

Optionally, a sleeve is further fixed on the inner wall of the connecting frame, and the sleeve is movably connected with the round rod.

Optionally, a fourth sliding groove is formed in the bottom surface of the inside of the connecting frame, and a second sliding block located in the fourth sliding groove is fixed to the bottom surface of the oblique block.

In the screw drilling tool convenient for replacing the drill bit, the top end of the barrel is provided with a bypass valve, the inside of the barrel is provided with a motor, a cardan shaft, a transmission shaft and a supporting block which are sequentially and fixedly connected, the bottom end of the supporting block is sequentially provided with a connecting block and a drill rod, the bottom end of the connecting block is fixed with two connecting frames, the top end of the drill rod is provided with two grooves, the bottom end of the drill rod is fixed with the drill bit, a third chute is formed in the inclined plane of the inclined block, the top end of the inclined block is provided with a threaded groove, the bottom end of the inclined block is fixed with a connecting rod, the other end of the connecting rod is fixed with a first slide block, and one side of each groove is also provided with a limiting groove; a bearing is fixed on the top surface inside the connecting frame and is movably connected with a round rod, the bearing is connected with a threaded rod, a first bevel gear is fixed on the threaded rod, a second bevel gear is fixed at one end of the round rod, and a handle is fixed at the other end of the round rod; the screw drilling tool is time-saving and labor-saving in replacing the drill bit, is very convenient, and ensures normal work of the drill bit.

Drawings

FIG. 1 is a schematic view of a screw drill with a drill bit easily replaced according to the present invention;

FIG. 2 is an enlarged view of A in FIG. 1;

fig. 3 is an enlarged view of B in fig. 1.

Detailed Description

The present invention provides a screw drill with a drill bit capable of being replaced conveniently, which is described in detail with reference to the accompanying drawings and 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 drilling tool convenient to change drill bit, its structure is as shown in figure 1, including barrel 1, barrel 1 top is equipped with bypass valve 2, and inside is equipped with fixed connection's motor 3, cardan shaft 4, transmission shaft 5 and supporting shoe 6 in proper order, 6 bottoms of supporting shoe are equipped with connecting block 7 and drilling rod 8 in proper order, 7 bottom mounting of connecting block has two connection frame 11, and its structure is as shown in figure 2, open on 8 tops of drilling rod has two recesses 10, and the bottom mounting has drill bit 9, the inside both sides wall of connection frame 11 is opened respectively has first spout 24 and second spout 25 and is equipped with sloping block 13 and carriage release lever 14, it has third spout 15 to open on the sloping block 13 inclined plane, carriage lever 14 both sides are fixed with first slide bar 26 and second slide bar 27 respectively, and open on the top has threaded groove 16, and the bottom mounting has connecting rod 17, first slide bar 26 with the other end of second slide bar 27 is located respectively first spout 24 with second spout 27 with second slide bar 25, a first slide block 18 positioned in the third slide slot 15 is fixed at the other end of the connecting rod 17; a limiting groove 12 is formed in one side of the groove 10; a bearing 19 is fixed on the top surface inside the connecting frame 11, the bearing 19 is connected with a threaded rod 20, a first bevel gear 21 is fixed on the threaded rod 20, and the bottom end of the threaded rod is positioned in the threaded groove 16 and is in threaded connection with the threaded groove; still swing joint has round bar 22 on one side of 11 tops of link frame, round bar 22 one end be fixed with first bevel gear 21 meshing driven second bevel gear 23, the other end is located link frame 11 is fixed with handle 28, through handle 28 drives second bevel gear 23 with first bevel gear 21 meshing transmission makes threaded rod 20 drives the carriage release lever 14 reciprocates, and finally connecting rod 17 passes through first slider 18 drives sloping block 13 gets into or leaves spacing groove 12 is right drill bit 9 is changed. The screw drill convenient for replacing the drill bit is used, the replacement of the drill bit 9 is time-saving and labor-saving, and is very convenient, and the normal work of the screw drill is ensured.

The supporting block 6 is connected with the connecting block 7 through a plurality of telescopic rods 32 and a plurality of springs 33, the number of the telescopic rods 32 is the same as that of the springs 33, and the springs 33 are correspondingly wound on the side surfaces of the telescopic rods 32 one by one, so that the vibration is reduced, and the damage to internal parts of the screw drill convenient for replacing the drill bit caused by severe vibration is avoided; a sleeve 29 is further fixed on the inner wall of the connecting frame 11, and the sleeve 29 is movably connected with the round rod 22, so that the round rod 22 is prevented from being deviated to cause the second bevel gear 23 and the first bevel gear 21 to be incapable of being meshed for transmission; a fourth sliding groove 30 is formed in the bottom surface of the inner portion of the connecting frame 11, and a second sliding block 31 located in the fourth sliding groove 30 is fixed to the bottom surface of the inclined block 13, so that the inclined block 13 can move horizontally more conveniently.

When the drill bit 9 needs to be replaced, the handle 28 is rotated, the round rod 22 drives the second bevel gear 23 to be meshed with the first bevel gear 21 for transmission and drives the threaded rod 20 to rotate, the moving rod 14 drives the first sliding block 18 to slide upwards along a bevel in the third sliding groove 25 through the connecting rod 17, and then the inclined block 13 is separated from the limiting groove 12, so that the drill bit 8 and the drill bit 9 can be easily detached; when a new drill bit 9 needs to be installed, the connecting frame 11 is located in the groove 10, the handle 28 is rotated reversely, the round rod 22 drives the second bevel gear 23 to be meshed with the first bevel gear 21 for transmission and drives the threaded rod 20 to rotate reversely, the moving rod 14 drives the first sliding block 18 to slide downwards along the bevel in the third sliding groove 25 through the connecting rod 17, and at this time, the inclined block 13 enters the limiting groove 12 again to play a limiting role.

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. A screw drilling tool convenient for replacing a drill bit comprises a barrel body (1) and is characterized in that a bypass valve (2) is arranged at the top end of the barrel body (1), 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, a connecting block (7) and a drill rod (8) are sequentially arranged at the bottom end of the supporting block (6), two connecting frames (11) are fixed at the bottom end of the connecting block (7), two grooves (10) are formed in the top end of the drill rod (8), the drill bit (9) is fixed at the bottom end of the drill rod, a first sliding groove (24) and a second sliding groove (25) are respectively formed in two side walls in the connecting frames (11), an inclined block (13) and a moving rod (14) are respectively arranged, a third sliding groove (15) is formed in the inclined plane of the inclined block (13), a first sliding rod (26) and a second sliding rod (27) are respectively fixed at two sides of the moving rod (14), a threaded groove (16) is formed in the top end of the connecting rod, a connecting rod (17) is fixed to the bottom end of the connecting rod, the other ends of the first sliding rod (26) and the second sliding rod (27) are respectively located in the first sliding groove (24) and the second sliding groove (25), and a first sliding block (18) located in the third sliding groove (15) is fixed to the other end of the connecting rod (17); one side of the groove (10) is also provided with a limit groove (12);

a bearing (19) is fixed on the top surface of the interior of the connecting frame (11), the bearing (19) is connected with a threaded rod (20), a first bevel gear (21) is fixed on the threaded rod (20), and the bottom end of the threaded rod is positioned in the threaded groove (16) and is in threaded connection with the threaded groove;

one side of the top end of the connecting frame (11) is also movably connected with a round rod (22), one end of the round rod (22) is fixed with a second bevel gear (23) which is in meshing transmission with the first bevel gear (21), and the other end of the round rod is located on the connecting frame (11) and is fixed with a handle (28).

2. The progressive cavity drill facilitating bit replacement according to claim 1, wherein the support block (6) and the connection block (7) are connected by a plurality of telescopic rods (32) and a plurality of springs (33), the number of the telescopic rods (32) and the number of the springs (33) are the same, and the springs (33) are wound around the side surfaces of the telescopic rods (32) in a one-to-one correspondence manner.

3. The progressive cavity drill facilitating bit replacement according to claim 1, wherein a sleeve (29) is further fixed to an inner wall of the connection frame (11), and the sleeve (29) is movably connected with the round rod (22).

4. The progressive cavity drill facilitating bit replacement according to claim 1, wherein a fourth sliding groove (30) is formed in a bottom surface of an inner portion of the connection frame (11), and a second sliding block (31) located in the fourth sliding groove (30) is fixed to a bottom surface of the inclined block (13).