CN220869319U - PDC drill bit capable of reducing blocking of drilling tool - Google Patents

Abstract

The utility model discloses a PDC drill bit capable of relieving drilling tool blocking, which relates to the technical field of petroleum drilling and comprises a main body and a connecting rod, wherein the surface of the main body is fixedly connected with a drill bit body, five nozzles are arranged on the surface of the drill bit body, anti-blocking devices are arranged on the surfaces of the five nozzles, each anti-blocking device comprises a placing frame, the placing frame is in sliding connection with the inner wall of each nozzle, two baffles are rotatably connected to the surface of each placing frame, first springs are fixedly connected to the surfaces of the two baffles, one ends of the first springs, which are far away from the baffles, are fixedly connected with the inner part of the placing frame, two square plates are fixedly connected to the surface of each placing frame, screws are connected to the surface threads of the two square plates, and the screws are in threaded connection with the surface of the drill bit body.

Description

PDC drill bit capable of reducing blocking of drilling tool

Technical Field

The utility model relates to the technical field of petroleum drilling, in particular to a PDC drill bit capable of reducing blocking of a drilling tool.

Background

The PDC drill bit is an abbreviation of polycrystalline diamond compact drill bit, is an important tool in drilling engineering, is suitable for drilling tools in petroleum, natural gas and geological exploration drilling processes, and can improve drilling speed and drilling quality. Currently, PDC bits on the market are mainly manufactured by welding PDC alloy blocks on the bit head to increase the wear resistance of the bit.

The prior art is such as the utility model of publication number CN205713995U, this patent discloses an oil and gas drilling bit, and it includes the drill bit base member, sets up the wing on the drill bit base member, the runner that constitutes between the wing, sets up the nozzle hole on the drill bit base member, is provided with cutting tooth and damper tooth on the wing, and the cutting tooth inlays the welding at the front end of wing, and the damper tooth inlays the side of welding at the wing, and the wing top surface is provided with polycrystalline diamond compact. The utility model provides a PDC drill bit, wherein the service life of the drill bit is prolonged due to the polycrystalline diamond compact on each blade and the wear-resistant coating of a drill bit matrix, and the polycrystalline diamond compact arranged on the top surface of the blade solves the problem of difficult drill lifting caused by necking.

With respect to the above and related art, the inventors believe that there are often the following drawbacks: when the pdc drill bit is used, the drill bit can be placed in the ground, and chips generated by the pdc drill bit during work are easy to be added into the nozzle, so that the nozzle is easy to be blocked, and the problem of inconvenient use is solved.

To this end, we propose a PDC bit that alleviates drill tool clogging.

Disclosure of utility model

The utility model aims to provide a PDC drill bit capable of reducing blocking of a drilling tool so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a PDC drill bit that can alleviate drilling tool jam, includes main part and connecting rod, the fixed surface of main part is connected with the drill bit body, five spouts have been seted up on the surface of drill bit body, five the surface of spout all is equipped with anti-blocking device, anti-blocking device includes the rack, the inner wall sliding connection of rack and spout, the surface rotation of rack is connected with two baffles, two the equal fixedly connected with first spring in surface of baffle, the one end and the inside fixed connection of rack of baffle are kept away from to first spring.

The components achieve the following effects: by using the baffle plate, the scraps generated by the drill bit can be well blocked, the work of the drill bit body is facilitated, and the work efficiency is increased as much as possible.

Preferably, the surface of the placing frame is fixedly connected with two square plates, the surfaces of the two square plates are in threaded connection with screws, and the screws are in threaded connection with the surface of the drill bit body.

The components achieve the following effects: through carrying out threaded connection with the surface of drill bit through using the screw, can accomplish the stable installation to the rack, through using the screw to install the rack, effectually prevented that the inside part of rack from appearing damaging inconvenient circumstances of maintaining, made things convenient for the use of anti-clogging device

Preferably, the surface of the rack is connected with a blocking plate in a sliding manner, and two rectangular holes are formed in the surface of the blocking plate.

The components achieve the following effects: the inside of rack is placed to the stopper board that slides earlier, can accomplish the installation to the stopper board, can effectually prevent great stone joint in the inside of rack through setting up the stopper board, has made things convenient for the protection of anti-clogging device to use.

Preferably, the surface sliding connection of rack has the sliding block, the antiskid stripe has been seted up to the surface of sliding block, the surface fixedly connected with of sliding block two round bars, two the surface cover of round bar has the rubber ring, two circular holes have been seted up on the baffle surface, the size of rubber ring and the looks adaptation of circular hole size.

The components achieve the following effects: the sliding block enables the round rod to be inserted into the surface of the blocking block, the blocking block can be limited, sliding conditions can occur when the blocking block is installed on the rack, installation and use of the rack are facilitated, the anti-slip pad is glued on the surface of the round rod, and the friction force between the surface of the round rod and the surface of the blocking plate can be well increased because the anti-slip pad is a rubber pad, so that the situation that the round rod slides to be separated from the limit is further prevented, and limiting work of the round rod is facilitated.

Preferably, the surface of main part is equipped with installation device, installation device includes the inserted bar, the inserted bar is connected with the surface interlude of main part, the one end fixedly connected with arm-tie of inserted bar, the one end fixedly connected with auxiliary block that the arm-tie was kept away from to the inserted bar, the fixed surface of inserted bar is connected with four slide bars, four the slide bar is two liang a set of, two the equal sliding connection in surface of slide bar has the joint piece, two the surface of slide bar has all overlapped the second spring, the both ends of second spring respectively with joint piece and inserted bar fixed connection.

The components achieve the following effects: through using inserted bar to alternate main part and connecting rod, can make things convenient for main part and connecting rod's quick installation, can make the quick start work of drill bit body.

Preferably, the surface of the inserted link is slidably connected with two blocking blocks, and the two blocking blocks are L-shaped.

The components achieve the following effects: when the clamping block is used for clamping, the blocking block can be moved by the clamping block and simultaneously outwards slid, and the blocking block is arranged to prevent the clamping block from bending and damaging when being mounted for a long time and limit, so that the long-term use of the mounting device is facilitated.

Preferably, the surface of the inserted link is rotatably connected with a plurality of rotating wheels, and the rotating wheels are all linearly arrayed on the surface of the inserted link.

The components achieve the following effects: the surface of the inserted link is rotationally connected with a plurality of rotating wheels, so that the inserted link can conveniently slide rapidly in the main body, and the installation speed is increased as much as possible.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the utility model, by arranging the anti-blocking device, the situation of blocking at the nozzle of the drill bit can be effectively prevented, the work of the drill bit is convenient, the work efficiency of the drill bit is increased as much as possible, the construction personnel can be helped to well complete the work, and the practicability of the pdc drill bit is increased.

2. According to the utility model, the installation device is arranged, so that the connecting rod and the main body can be rapidly installed, the drill bit body can be rapidly started to work, the pdc drill bit is convenient to use, meanwhile, the connecting relation can be rapidly disassembled by using the inserted rod, and the quick maintenance of the pdc drill bit by a maintenance personnel is facilitated.

Drawings

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

FIG. 2 is a schematic view of another angle structure of FIG. 1 according to the present utility model;

FIG. 3 is a schematic cross-sectional view of an anti-clogging device in accordance with the present utility model;

FIG. 4 is an enlarged view of the portion A of FIG. 1 in accordance with the present utility model;

fig. 5 is an enlarged view of fig. 2B in the present utility model.

In the figure: 1. a main body; 2. a connecting rod; 3. a bit body; 4. an anti-blocking device; 41. a placing rack; 42. a baffle plate; 43. a first spring; 44. a square plate; 45. a screw; 46. a sliding block; 47. a round bar; 48. a rubber ring; 49. a blocking plate; 5. a mounting device; 51. pulling a plate; 52. a rod; 53. a rotating wheel; 54. an auxiliary block; 55. a slide bar; 56. a second spring; 57. a clamping block; 58. a blocking block; 6. a spout.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a PDC drill bit that can alleviate drilling tool jam, includes main part 1 and connecting rod 2, and the fixed surface of main part 1 is connected with bit body 3, and five spouts 6 have been seted up on bit body 3's surface, and five spouts 6's surface all is equipped with prevents blocking device 4, and main part 1's surface is equipped with installation device 5.

The specific arrangement and function of the anti-blocking means 4 and the mounting means 5 will be described in detail below.

As shown in fig. 1, 3 and 4, the anti-blocking device 4 comprises a placing frame 41, the placing frame 41 is slidably connected with the inner wall of the nozzle 6, two baffles 42 are rotatably connected to the surface of the placing frame 41, first springs 43 are fixedly connected to the surfaces of the two baffles 42, and one end, away from the baffles 42, of each first spring 43 is fixedly connected with the inside of the placing frame 41. By using the baffle plate 42, the chips generated by the drill bit can be well blocked, the work of the drill bit body 3 is facilitated, and the work efficiency is increased as much as possible. Two square plates 44 are fixedly connected to the surface of the placing frame 41, screws 45 are connected to the surfaces of the two square plates 44 in a threaded mode, and the screws 45 are connected with the surface of the drill bit body 3 in a threaded mode. Through carrying out threaded connection with the surface of drill bit using screw 45, can accomplish the stable installation to rack 41, through using screw 45 to install rack 41, the effectual inside part of rack 41 that has prevented appears damaging inconvenient circumstances of maintaining, has made things convenient for the surface sliding connection who uses rack 41 of anti-clogging device 4 to have the baffle 49, two rectangular holes have been seted up on the surface of baffle 49. The inside of rack 41 is placed to the baffle 49 that slides earlier, can accomplish the installation to the baffle 49, can effectually prevent great stone joint in the inside of rack 41 through setting up the baffle 49, has made things convenient for the protection of anti-clogging device 4 to use. The surface sliding connection of rack 41 has slider 46, and the antiskid stripe has been seted up on the surface of slider 46, and the fixed surface of slider 46 is connected with two round bars 47, and the surface cover of two round bars 47 has rubber ring 48, and two circular holes have been seted up on the surface of baffle 49, and the size of rubber ring 48 and circular hole size looks adaptation. The sliding block 46 is slid, so that the round bar 47 is inserted into the surface of the blocking block 58, the blocking block 58 can be limited, the blocking block 58 can slide conveniently when the placement frame 41 is installed, the placement frame 41 is convenient to install and use, the anti-slip pad is glued on the surface of the round bar 47, and the friction force between the surface of the round bar 47 and the surface of the blocking plate 49 can be well increased because the anti-slip pad is a rubber pad, the situation that the round bar 47 slides to be separated from the limit is further prevented, and the limit work of the round bar 47 is facilitated.

As shown in fig. 2 and 5, the mounting device 5 includes a plug rod 52, the plug rod 52 is connected with the surface of the main body 1 in a penetrating way, one end of the plug rod 52 is fixedly connected with a pull plate 51, one end of the plug rod 52 away from the pull plate 51 is fixedly connected with an auxiliary block 54, the surface of the plug rod 52 is fixedly connected with four slide bars 55, the four slide bars 55 are in a group of two by two, the surfaces of the two slide bars 55 are all connected with clamping blocks 57 in a sliding way, the surfaces of the two slide bars 55 are all sleeved with second springs 56, and two ends of the second springs 56 are respectively fixedly connected with the clamping blocks 57 and the plug rod 52. By inserting the main body 1 and the connecting rod 2 using the insert rod 52, the main body 1 and the connecting rod 2 can be quickly installed, and the drill bit body 3 can be quickly started to work. The surface of the plunger 52 is slidably coupled with two stop blocks 58, and both stop blocks 58 are L-shaped. When the clamping block 57 is used for clamping, the blocking block 58 can be moved by the clamping block 57 and simultaneously slide outwards, and the blocking block 58 can prevent the clamping block 57 from bending and damaging when being mounted for a long time and limiting, so that the long-term use of the mounting device 5 is facilitated. The surface of the inserted link 52 is rotatably connected with a plurality of rotating wheels 53, and the rotating wheels 53 are linearly arrayed on the surface of the inserted link 52. The surface of the inserted link 52 is rotatably connected with a plurality of rotating wheels 53, so that the inserted link 52 can slide rapidly in the main body 1, and the installation speed is increased as much as possible.

Working principle: when the drill bit body 3 is required to work, the anti-blocking device 4 can be used, the blocking plate 49 is firstly slid to be placed in the storage rack 41, the blocking plate 49 can be installed, the blocking plate 49 can be arranged to effectively prevent larger stone blocks from being clamped in the storage rack 41, the anti-blocking device 4 is convenient to protect, the sliding block 46 can be slid, the round rod 47 is inserted into the surface of the blocking block 58, the blocking block 58 can be limited, the blocking block 58 can slide conveniently when the storage rack 41 is installed, the storage rack 41 is convenient to install and use, the anti-slip pad is glued on the surface of the round rod 47, the friction force between the surface of the blocking plate 49 can be well increased because the anti-slip pad is a rubber pad, the situation that the round rod 47 slides out of the limit is further prevented, the limit work of the round rod 47 is facilitated, then carry out threaded connection through using screw 45 and the surface of drill bit, can accomplish the stable installation to rack 41, through using screw 45 to install rack 41, the effectual inside part of rack 41 that has prevented appears damaging inconvenient circumstances of maintaining, the use of anti-blocking device 4 has been made things convenient for, when there is less piece to add the inside of rack 41, can be blocked by baffle 42, simultaneously when the inside needs water spraying of spout 6, can carry out movable reset through first spring 43, can be fine use, through setting up anti-blocking device 4, can effectually prevent that the spout 6 department of drill bit from appearing the condition of jam, the going on of drill bit work has been made things convenient for, the work efficiency of drill bit has been increased as far as, can help constructor fine completion work, pdc drill bit's practicality has been increased.

The installation device 5 can be used when installing main part 1 and connecting rod 2, through arm-tie 51, then drive inserted bar 52 alternates in the inside of connecting rod 2 and main part 1, when joint piece 57 breaks away from the spacing of main part 1 inside, can receive the effect of spring to outside slide, can accomplish joint spacing to main part 1 and connecting rod 2, rotate on the surface of inserted bar 52 and connect a plurality of runner 53, make things convenient for the quick slip of inserted bar 52 in main part 1 inside, the installation rate has been increased as far as possible, when using joint piece 57 to carry out the joint, the outside slip simultaneously can receive joint piece 57's motion, through setting up stop piece 58, can prevent joint piece 57 when carrying out long-time installation spacing, the condition that the damage can appear buckling, the long-term use of installation device 5 has been made things convenient for, can make the quick completion installation of connecting rod 2 and main part 1, can make the quick beginning work of drill bit body 3, the use of pdc drill bit has been made things convenient for the quick maintenance personnel who uses the quick connection of inserted bar 52 to have accomplished the quick maintenance relation simultaneously.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a PDC drill bit that can alleviate drilling tool jam, includes main part (1) and connecting rod (2), its characterized in that: the novel anti-clogging drill comprises a drill body (3) fixedly connected with the surface of the drill body (1), five spouts (6) are formed in the surface of the drill body (3), anti-clogging devices (4) are arranged on the surfaces of the spouts (6), each anti-clogging device (4) comprises a placing frame (41), the placing frames (41) are slidably connected with the inner walls of the spouts (6), two baffle plates (42) are rotatably connected with the surface of each placing frame (41), first springs (43) are fixedly connected with the surface of each baffle plate (42), and one ends, away from the baffle plates (42), of the first springs (43) are fixedly connected with the inner sides of the placing frames (41).

2. The PDC bit of claim 1 wherein the drill bit is adapted to mitigate drill bit clogging, the PDC bit comprising: two square plates (44) are fixedly connected to the surface of the placement frame (41), screws (45) are connected to the surfaces of the two square plates (44) in a threaded mode, and the screws (45) are connected with the surface of the drill bit body (3) in a threaded mode.

3. The PDC bit of claim 1 wherein the drill bit is adapted to mitigate drill bit clogging, the PDC bit comprising: the surface of the placement frame (41) is connected with a blocking plate (49) in a sliding mode, and two rectangular holes are formed in the surface of the blocking plate (49).

4. A PDC drill bit for mitigating drill bit plugging according to claim 3, wherein: the surface sliding connection of rack (41) has sliding block (46), the antiskid stripe has been seted up on the surface of sliding block (46), the fixed surface of sliding block (46) is connected with two round bars (47), two the surface cover of round bar (47) has rubber ring (48), two circular holes have been seted up on the surface of blocking plate (49), the size of rubber ring (48) and circular hole size looks adaptation.

5. The PDC bit of claim 1 wherein the drill bit is adapted to mitigate drill bit clogging, the PDC bit comprising: the surface of main part (1) is equipped with installation device (5), installation device (5) include inserted bar (52), inserted bar (52) are connected with the surface interlude of main part (1), the one end fixedly connected with arm-tie (51) of inserted bar (52), the one end fixedly connected with auxiliary block (54) of arm-tie (51) are kept away from to inserted bar (52), the surface fixedly connected with four slide bars (55) of inserted bar (52), four slide bars (55) are two in pairs, two the equal sliding connection in surface of slide bar (55) has joint piece (57), two the surface of slide bar (55) is all overlapped there is second spring (56), the both ends of second spring (56) are respectively with joint piece (57) and inserted bar (52) fixed connection.

6. The PDC bit of claim 5 wherein the drill bit is adapted to mitigate drill bit clogging, the PDC bit comprising: the surface of the inserted link (52) is connected with two blocking blocks (58) in a sliding manner, and the two blocking blocks (58) are L-shaped.

7. The PDC bit of claim 5 wherein the drill bit is adapted to mitigate drill bit clogging, the PDC bit comprising: the surface of the inserted link (52) is rotationally connected with a plurality of rotating wheels (53), and the rotating wheels (53) are uniformly and linearly arrayed on the surface of the inserted link (52).