CN219974404U - Drilling reaming device - Google Patents

Abstract

The utility model belongs to the technical field of drilling, and particularly relates to a drilling and reaming device, which comprises a drill bit, wherein a fixed cutting sleeve is connected to the top of the drill bit in a threaded manner, a first connecting column is connected to the upper part of the fixed cutting sleeve in a threaded manner, a second connecting column and a reaming pipe are arranged above the first connecting column, the top end of the second connecting column extends into the reaming pipe and is fixedly connected with the inner surface wall of the reaming pipe, a push-down pipe is fixedly arranged at the top end of the second connecting column, and an upper sleeve is connected above the push-down pipe in a sliding manner.

Description

Drilling reaming device

Technical Field

The utility model belongs to the technical field of drilling, and particularly relates to a drilling reaming device.

Background

The drilling of holes from the ground by mechanical equipment or man power is known as drilling, and generally refers to the process of drilling boreholes and large-diameter water supply wells by exploring or developing liquid and gaseous minerals such as petroleum, natural gas, etc., and is very widely used in national economic construction.

For example, chinese patent with publication number CN217270009U discloses a highly wear-resistant multipurpose PDC drill bit, which comprises a body, the bottom fixedly connected with trompil head of body, the surface of trompil head is provided with the cutting edge, the surface fixedly connected with reaming piece of body, the top fixedly connected with butt joint piece of body, the through-hole has been seted up to the surface of butt joint piece, the inboard grafting of butt joint piece has the butt joint, the surface of butt joint is provided with the fixture block with the through-hole joint. This high wear-resisting multipurpose PDC drill bit through setting up trompil head, cutting edge, reaming piece, butt joint, through-hole, fixture block to reached and used a drill bit, both be convenient for the trompil, can carry out the reaming again, simplified the operation flow, reduced the work load, improved the efficiency of well drilling, and the effect of convenient quick installation and the dismantlement of drill bit.

This patent suffers from several drawbacks in use, such as: when the drill bit device works, the reaming blocks are fixed on the surface of the drill bit, the protruding distance of the reaming blocks on the drill bit cannot be adjusted, the reaming blocks are easily broken directly when the drill bit rotates, and when the drill bit rotates to meet a hard geological layer, a buffer device for the drill bit is lacking, so that the drill bit is easily damaged, and the service life of the drill bit device is not long. In view of this, we propose a drilling and reaming device.

Disclosure of Invention

The utility model aims to solve the technical problems, and provides a drilling and reaming device, which ensures that a drill bit is buffered and is weakened by hard geological collision force, so that the damping effect on a drill bit main body and the drill bit is achieved, the drill bit can be protected to the greatest extent when the drill bit collides with hard geology, the service life of the drill bit is prolonged, and when the reaming bit encounters hard geology, an upper sleeve is used for pulling the reaming bit into a square hole through a connecting arm, a fixing seat and a tooth socket, the reaming bit is prevented from being broken directly, and the protection on the reaming bit is realized.

In view of this, the present utility model provides a drilling and reaming apparatus comprising:

the drill bit, drill bit top threaded connection has fixed cutting ferrule, fixed cutting ferrule top threaded connection has first spliced pole, first spliced pole top is equipped with second spliced pole and reaming pipe, the top of second spliced pole extends to inside the reaming pipe and with the interior table wall fixed connection of reaming pipe, the top fixed mounting of second spliced pole has push down the pipe, push down pipe top sliding connection has the sleeve pipe, square hole has been seted up to the exterior wall symmetry of reaming pipe, and two square hole departments all install the reaming drill bit;

the damping component is positioned between the second connecting column and the first connecting column and is used for damping and protecting the drill bit;

and the reaming assembly is positioned in the reaming pipe and is used for accommodating and extending the two reaming bits.

Preferably, the shock absorbing assembly includes:

the shock attenuation main part, shock attenuation main part fixed mounting is in the second spliced pole bottom, shock attenuation main part lower surface passes through bolt fixedly connected with apron, a plurality of spouts are seted up to the symmetry in the shock attenuation main part, sliding connection has the support base fixed with first spliced pole in the shock attenuation main part, a plurality of protruding piece slidable mounting on the support base is in the spout that corresponds, first spliced pole is located the apron, the top fixed mounting of shock attenuation main part internal surface wall has a plurality of upper base, support base upper surface fixed mounting has a plurality of lower base, a plurality of upper base and a plurality of lower base one-to-one, fixed mounting has first damping spring between upper base and the lower base, upper base and lower base sliding connection.

Preferably, the upper surface of the cover plate is fixedly provided with a shock pad, the first connecting column is positioned in the shock pad, and the first connecting column is in sliding connection with the cover plate and the shock pad.

Preferably, the reaming assembly comprises:

the two fixing bases are respectively located at one ends of two reaming bits, the two fixing bases are fixed with the corresponding reaming bits through tooth sockets, two connecting arms are symmetrically installed on one side of each fixing base in a rotating mode, fixing blocks are tightly welded on two sides of the other end of each connecting arm, each connecting arm is internally provided with a bolt in a rotating mode, two ends of each bolt extend into the two fixing blocks at corresponding positions respectively, and a second damping spring is sleeved on each bolt and located between each fixing block and each connecting arm.

Preferably, the tooth socket is in threaded connection with the fixing seat and the reamer bit, and the reamer bit is in sliding connection with the square hole.

Preferably, the connecting arm is movably connected with the hole expanding tube and the square hole, and two ends of the second damping spring are respectively and tightly welded with the fixed block and the connecting arm.

The beneficial effects of the utility model are as follows:

1. this well drilling reaming device, when the drill bit runs into hard geological formation, the drill bit can extrude through fixed cutting ferrule and first spliced pole and support the base and do ascending motion in the shock attenuation main part, drive base and last base and extrudeed each other simultaneously, and a plurality of first damping spring receive the extrusion and rebound, simultaneously, the gas in the round hole receives the extrusion shrink of base down in the last base for the drill bit obtains the buffering, thereby make the drill bit receive hard geological impact force and impaired, thereby play the shock attenuation effect to rig main part and drill bit, when guaranteeing the drill bit to hard geological impact, can furthest's protection drill bit, the life of drill bit is protected in the extension.

2. This well drilling reaming device, when the reaming, whole device rotates, go up sleeve pipe downward movement and can slide along the cylinder on the push-down tube, at this moment, two linking arms of left and right sides can outwards slowly stretch, and then release the reamer bit and carry out slow reaming work, when meetting hard geology, can move up the sleeve pipe, make the one end that goes up the sleeve pipe and drive the linking arm upwards move, thereby make the pulling fixing base inwards move in square hole, and drive facing and reamer bit to remove in the square hole, and then will the reamer bit income square hole, avoid the reamer bit to be broken by the directness, realize the protection to the reamer bit.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of the overall structure of the present utility model;

FIG. 3 is an exploded view of the drill bit and shock absorbing assembly of the present utility model;

FIG. 4 is a cross-sectional view of the structure of the upper and lower bases of the present utility model;

fig. 5 is an exploded view of the reamer assembly of the present utility model.

The label in the figure is:

1. a drill bit; 2. fixing the clamping sleeve; 3. a first connection post; 4. a shock absorbing body; 5. a chute; 6. a support base; 7. an upper base; 8. a lower base; 9. a first damper spring; 10. a cover plate; 11. a shock pad; 12. a second connection post; 13. a hole expanding tube; 14. pushing down the tube; 15. a sleeve is arranged; 16. a connecting arm; 22. a fixed block; 23. a plug pin; 25. a second damper spring; 26. a fixing seat; 27. a tooth socket; 28. and (5) reaming the drill bit.

Detailed Description

The present utility model is described in further detail below with reference to fig. 1-5.

In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

The embodiment of the utility model discloses a drilling and reaming device, which comprises:

the drill bit 1, the fixed cutting ferrule 2 is connected to the top of the drill bit 1 through screw threads, the first connecting column 3 is connected to the fixed cutting ferrule 2 through screw threads, a second connecting column 12 and a reaming pipe 13 are arranged above the first connecting column 3, the top end of the second connecting column 12 extends into the reaming pipe 13 and is fixedly connected with the inner surface wall of the reaming pipe 13, a push-down pipe 14 is fixedly arranged at the top end of the second connecting column 12, an upper sleeve 15 is connected to the push-down pipe 14 in a sliding manner, square holes are symmetrically formed in the outer surface wall of the reaming pipe 13, and reaming drill bits 28 are arranged at the two square holes;

the damping component is positioned between the second connecting column 12 and the first connecting column 3 and is used for damping and protecting the drill bit 1;

a reaming assembly is located within the reaming tube 13 and is used to receive and extend two reamer bits 28.

In one embodiment, the shock absorbing assembly includes:

the shock absorber comprises a shock absorber body 4, wherein the shock absorber body 4 is fixedly arranged at the bottom end of a second connecting column 12, the lower surface of the shock absorber body 4 is fixedly connected with a cover plate 10 through bolts, a plurality of sliding grooves 5 are symmetrically formed in the shock absorber body 4, a support base 6 fixed with a first connecting column 3 is slidably connected in the shock absorber body 4, a plurality of protruding blocks on the support base 6 are slidably arranged in the corresponding sliding grooves 5, the first connecting column 3 is positioned in the cover plate 10, a plurality of upper bases 7 are fixedly arranged at the top end of the inner surface of the shock absorber body 4, a plurality of lower bases 8 are fixedly arranged on the upper surface of the support base 6, a plurality of upper bases 7 and a plurality of lower bases 8 are in one-to-one correspondence, a first shock absorber spring 9 is fixedly arranged between the upper bases 7 and the lower bases 8, and the upper bases 7 and the lower bases 8 are slidably connected;

specifically, a plurality of screw holes are formed in corresponding positions of the cover plate 10 and the damping main body 4 and used for fixing the cover plate 10 and the damping main body 4 through bolts, a plurality of protrusions are formed at the edge of the supporting base 6 and are in one-to-one correspondence with the sliding grooves 5 on the inner groove surface of the damping main body 4 respectively and are in sliding fit with each other, the upper ends of each group of first damping springs 9 are fixedly connected with the upper base 7, the lower ends of each group of first damping springs are fixedly connected with the lower base 8, when the drill bit 1 encounters a hard geological layer, the drill bit 1 can extrude the supporting base 6 to move upwards in the damping main body 4 through the fixing clamping sleeve 2 and the first connecting column 3, meanwhile, the lower base 8 and the upper base 7 are driven to extrude each other, the first damping springs 9 are extruded to rebound, and meanwhile, gas in the round hole in the upper base 7 is extruded and contracted by the lower base 8, so that the drill bit 1 is buffered, and the hard geological collision force of the drill bit 1 is weakened.

In this embodiment, the drill bit 1 can be protected to the maximum extent when the drill bit 1 collides with hard geology, and the service life of the drill bit 1 can be prolonged.

In one embodiment, the upper surface of the cover plate 10 is fixedly provided with a shock pad 11, the first connecting column 3 is positioned in the shock pad 11, and the first connecting column 3 is in sliding connection with the cover plate 10 and the shock pad 11;

specifically, the round hole that can hold first spliced pole 3 and pass through is offered to apron 10 and shock pad 11 center department, and first spliced pole 3 and this round hole sliding fit, in addition, when support base 6 whereabouts is put down, support base 6 lower surface and shock pad 11 contact, further reduces the production of collision force to realize the effect of protection this device main part.

In one embodiment, the reaming assembly includes:

the two fixing seats 26 are respectively positioned at one ends of two reaming drills 28, the two fixing seats 26 are respectively fixed with the corresponding reaming drills 28 through tooth sockets 27, two connecting arms 16 are symmetrically arranged on one side of each fixing seat 26 in a rotating mode, fixing blocks 22 are tightly welded on two sides of the other ends of the two connecting arms 16, a plug pin 23 is rotatably arranged in each connecting arm 16, two ends of the plug pin 23 respectively extend into the two fixing blocks 22 at corresponding positions, and a second damping spring 25 is sleeved on the plug pin 23 and positioned between the fixing blocks 22 and the connecting arms 16;

specifically, when the integral device rotates, the upper sleeve 15 can be pressed downwards, so that the upper sleeve 15 drives one end of the connecting arm 16 to move downwards, and the fixing seat 26 is pushed to move outwards in the square hole, so that the tooth socket 27 and the reaming bit 28 can move outwards slowly and slowly expand the well hole opened by the bit 1, when encountering hard geology, the upper sleeve 15 can be moved upwards, the upper sleeve 15 drives one end of the connecting arm 16 to move upwards, and accordingly the fixing seat 26 is pulled to move inwards in the square hole, the tooth socket 27 and the reaming bit 28 are driven to move outwards in the square hole, and the reaming bit 28 is further retracted into the square hole, so that the reaming bit 28 is prevented from being broken directly.

In one embodiment, the dental socket 27 is in threaded connection with the fixed seat 26 and the reamer 28, and the reamer 28 is in sliding connection with the square hole;

specifically, under the action of the threads, the tooth socket 27, the fixing seat 26 and the reamer bit 28 are convenient to detach, and the reamer bit 28 can normally move in the square hole.

In one embodiment, the connecting arm 16 is movably connected with the hole expanding tube 13 and the square hole, and two ends of the second damping spring 25 are respectively and tightly welded with the fixed block 22 and the connecting arm 16;

specifically, the connecting arm 16 can freely stretch and move in the reaming pipe 13 and the square hole, and the second damping spring 25 can reduce the back-vibration force of the ground on the connecting arm 16, so that the collision force between the connecting arm 16 and the fixed block 22 of the drilling machine under the working condition is weakened, and the reliability, stability and practicability of the device are enhanced.

It should be noted that the diameter of the top of the drill bit 1 is equal to the diameter of the reaming pipe 13, and the diameters of the damping body 4 and the cover plate 10 are smaller than the diameter of the reaming pipe 13, so that the whole device can rotate normally.

When the drilling and reaming device is used, when the drill bit 1 encounters a hard geological layer, the drill bit 1 can extrude the supporting base 6 to move upwards in the damping main body 4 through the fixed clamping sleeve 2 and the first connecting column 3, meanwhile, the lower base 8 and the upper base 7 are driven to extrude each other, a plurality of first damping springs 9 are extruded to rebound, meanwhile, gas in a round hole in the upper base 7 is extruded and contracted by the lower base 8, so that the drill bit 1 is buffered, the drill bit 1 is weakened by the hard geological collision force, the damping effect on the drill main body and the drill bit 1 is achieved, the drill bit 1 can be protected to the greatest extent when the drill bit 1 collides against the hard geological layer, and the service life of the drill bit 1 is prolonged;

when reaming is needed, the whole device rotates, the upper sleeve 15 moves downwards to slide along the cylinder on the push-down tube 14, at the moment, the two connecting arms 16 at the left side and the right side slowly stretch outwards, so that the reaming bit 28 is pushed out to perform slow reaming work, when encountering hard geology, the upper sleeve 15 can be moved upwards, so that the upper sleeve 15 drives one end of the connecting arm 16 to move upwards, and the pulling fixing seat 26 moves inwards in the square hole, and drives the tooth socket 27 and the reaming bit 28 to move in the square hole, so that the reaming bit 28 is retracted into the square hole, the reaming bit 28 is prevented from being broken directly, and protection of the reaming bit 28 is realized.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. A drilling and reaming apparatus, comprising:

the drilling bit comprises a drilling bit (1), wherein a fixed clamping sleeve (2) is connected to the top of the drilling bit (1) in a threaded manner, a first connecting column (3) is connected to the fixed clamping sleeve (2) in a threaded manner, a second connecting column (12) and a reaming pipe (13) are arranged above the first connecting column (3), the top end of the second connecting column (12) extends into the reaming pipe (13) and is fixedly connected with the inner surface wall of the reaming pipe (13), a push-down pipe (14) is fixedly arranged at the top end of the second connecting column (12), an upper sleeve (15) is connected to the push-down pipe (14) in a sliding manner, square holes are symmetrically formed in the outer surface wall of the reaming pipe (13), and reaming bits (28) are arranged at the two square holes;

the damping component is positioned between the second connecting column (12) and the first connecting column (3) and is used for damping and protecting the drill bit (1);

and the reaming assembly is positioned in the reaming pipe (13) and is used for accommodating and extending the two reaming bits (28).

2. The drilling and reaming apparatus of claim 1, wherein: the shock absorbing assembly includes:

damping body (4), damping body (4) fixed mounting is in second spliced pole (12) bottom, damping body (4) lower surface is through bolt fixedly connected with apron (10), a plurality of spouts (5) are seted up to damping body (4) internal symmetry, sliding connection has support base (6) fixed with first spliced pole (3) in damping body (4), a plurality of protruding pieces slidable mounting on support base (6) are in spout (5) that correspond, first spliced pole (3) are located apron (10), the top fixed mounting of table wall has a plurality of base (7) in damping body (4), support base (6) upper surface fixed mounting has a plurality of base (8) down, a plurality of base (7) and a plurality of base (8) down, fixed mounting has first damping spring (9) between base (7) and base (8) down, go up base (7) and base (8) sliding connection.

3. The drilling and reaming apparatus of claim 2, wherein: the upper surface of the cover plate (10) is fixedly provided with a shock pad (11), the first connecting column (3) is positioned in the shock pad (11), and the first connecting column (3) is in sliding connection with the cover plate (10) and the shock pad (11).

4. The drilling and reaming apparatus of claim 1, wherein: the reaming assembly includes:

two fixing bases (26), two fixing bases (26) are located the one end of two reamer bits (28) respectively, two fixing bases (26) are all fixed with the reamer bit (28) that corresponds through facing (27), two linking arm (16) are installed in one side symmetry rotation of fixing bases (26), two the both sides of linking arm (16) other end are all closely welded fixed block (22), every all rotate in linking arm (16) and install bolt (23), in two fixed blocks (22) of corresponding position are extended respectively at the both ends of bolt (23), cover is equipped with second damping spring (25) on bolt (23) and between fixed block (22) and linking arm (16).

5. The drilling and reaming apparatus of claim 4, wherein: the tooth socket (27) is in threaded connection with the fixing seat (26) and the reaming bit (28), and the reaming bit (28) is in sliding connection with the square hole.

6. The drilling and reaming apparatus of claim 4, wherein: the connecting arm (16) is movably connected with the reaming pipe (13) and the square hole, and two ends of the second damping spring (25) are respectively and tightly welded with the fixed block (22) and the connecting arm (16).