CN217681567U

CN217681567U - PDC drill bit with rotary oscillation impact function

Info

Publication number: CN217681567U
Application number: CN202220024495.1U
Authority: CN
Inventors: 恽志箕
Original assignee: Changzhou Little Wolf Star Precision Instrument Co ltd
Current assignee: Changzhou Little Wolf Star Precision Instrument Co ltd
Priority date: 2022-01-06
Filing date: 2022-01-06
Publication date: 2022-10-28
Anticipated expiration: 2032-01-06

Abstract

The utility model relates to a PDC drill bit with rotatory vibration percussion function, include main part, connecting axle, accept seat and main drill bit, be provided with from clamping device and fixing device in the main part, accept the one end of seat and connect main drill bit, the connecting axle is installed to the other end, and the connecting axle is installed from clamping device is last, from clamping device including moving plate, perpendicular piece, chucking piece, screw thread post and main shaft, vertical groove has been seted up on the moving plate, from clamping device's design has guaranteed when probing through the drill bit, when carrying out the pivoted, can drive the rotation of lead screw to press from both sides tightly whole, guaranteed holistic stability, reduced the possibility that appears dropping.

Description

PDC drill bit with rotary oscillation impact function

Technical Field

The utility model relates to a self-holding drill bit technical field specifically is a PDC drill bit with rotatory vibration percussion function.

Background

PDC (Polycrystalline diamond compact) is a cutting element formed by welding synthetic Polycrystalline diamond and a tungsten carbide base together at high temperature and high pressure; PDC bits are mounted on the cutting teeth of conventional drill bits. Since the pdc drill bit appeared in the eighties of the last century, the pdc drill bit has gradually become an efficient rock breaking tool widely popularized and applied in the petroleum and natural gas industries due to the characteristics of high average mechanical drilling speed, multiple footage, long service life and the like; with the continuous and deep knowledge of the new generation pdc drill, the production technology is continuously improved, and the usage amount is increased year by year. Patent no CN201521107779.3 discloses pdc bits.

1. In this scheme, when carrying out the use of drill bit, because the drill bit has the action that the rotatory impact that shakes, if can not add the clamp voluntarily when using and can influence holistic stability, and then cause the insecure of connection, influence the result of use.

2. In current technique, the function that most drill bits need to use self-holding when carrying out the during operation, can only connect through the sleeve of one deck when carrying out the connection of rear end simultaneously, if can only fix through one side sleeve and can influence the intensity that presss from both sides tightly, influence holistic result of use.

3. In the prior art, most drill bits can produce the condition of inside wearing and tearing after carrying out long-time use, if can not timely add lubricating oil, can influence the level and smooth of inside working face, and then cause the convenience of using to descend.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model provides a PDC drill bit with rotatory vibration percussion function to solve the technical problem who mentions in the background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a PDC drill bit with rotatory vibration percussion function, includes main part, connecting axle, accepts seat and main drill bit, is provided with from clamping device and fixing device in the main part, accepts the one end of seat and connects main drill bit, and the connecting axle is installed to the other end, and the connecting axle is installed on the self-clamping device, from clamping device including removing dish, perpendicular piece, chucking piece, screw thread post and main shaft, vertical slot has been seted up on the removal dish, perpendicular piece sliding connection installs the chucking piece in vertical slot, has seted up the slant groove in the main part, and chucking piece sliding connection installs the screw thread post in the slant inslot on the removal dish, has seted up the screw hole in the main part, screw thread post threaded connection is in the screw hole, fixing device is including laminating section and thread bush, and the laminating section is installed on the main shaft, and thread bush sliding connection is on the main shaft, and thread bush threaded connection sets up lubricating arrangement in the main part in the inboard of main part.

Preferably, vertical slot, perpendicular piece, chucking piece and slant groove are provided with a plurality ofly respectively, and a plurality of vertical slots are seted up respectively on moving the dish, and are a plurality of perpendicular piece sliding connection is on vertical slot, and is a plurality of the inboard in the main part is seted up respectively in the slant groove, and is a plurality of chucking piece sliding connection is respectively on the slant groove, and the tightness of whole joint has been guaranteed in the design in a plurality of vertical slot, perpendicular piece, chucking piece and slant groove.

Preferably in further, the threaded sleeve is provided with a fitting sleeve, the main body is provided with a sealing sleeve and a sealing bolt, the fitting sleeve is mounted on the threaded sleeve, one end of the fitting sleeve is fitted on the main body, the other end of the fitting sleeve is fitted on the sealing sleeve, the sealing sleeve is in threaded connection with the main body, the sealing bolt is in threaded connection with the sealing sleeve, and the design of the fitting sleeve ensures the stability of fixation.

In further preferred, lubricating arrangement includes oiling pipe, oiling stopper and hexagonal section, and the oiling pipe is installed on the side of main part and is linked together in the main part, and the seal groove has been seted up to the upper end face of oiling pipe, the seal groove is provided with a plurality ofly and respectively along the axis outdiffusion of oiling pipe, and oiling stopper threaded connection is on the oiling pipe, installs hexagonal section on the oiling stopper, and the hexagonal section laminating is a plurality of on the seal groove, lubricating arrangement's design has guaranteed lubricated continuity.

In a further preferred mode, the lubricating device is provided in plurality and is respectively arranged along the side surface of the main body, and the oil filling pipes are communicated with the main body, and the lubricating quality is ensured by the design of the lubricating devices.

In a further preferred mode, the movable disc, the vertical block, the clamping block, the threaded column and the main shaft are respectively installed inside the main body, and the design of the movable disc, the vertical block, the clamping block and the threaded column inside the main shaft ensures the overall operation stability.

Compared with the prior art, the utility model provides a PDC drill bit with rotatory vibration percussion function possesses following beneficial effect:

1. from clamping device's design, guaranteed when carrying out the probing through the drill bit, when rotating, can drive the rotation of lead screw to press from both sides the whole tight, guaranteed holistic stability, reduced the possibility that appears dropping.

2. The design of the fixing device ensures that the self-clamping can be carried out by double fixation through the fit sleeve and the seal sleeve, thereby avoiding the loosening condition, improving the drilling effect of the drill bit and ensuring the continuity when drilling.

3. Lubricating arrangement's design has guaranteed to carry out long-time use after, can carry out the oiling to inside through the oiling pipe, has guaranteed that the inside condition of dying of rusty can not appear to promote holistic life.

Drawings

Fig. 1 is a schematic structural diagram of a PDC drill bit with a rotary oscillation percussion function according to the present invention;

fig. 2 is an exploded view of a PDC drill bit with a rotary oscillation percussion function according to the present invention;

FIG. 3 is a partial enlarged view of A in FIG. 2;

fig. 4 is a schematic sectional view of the main body of the present invention.

In the figure: 1. a main body; 2. a connecting shaft; 3. a bearing seat; 4. a main drill bit; 5. a movable tray; 6. a vertical block; 7. a clamping block; 8. a threaded post; 9. a main shaft; 10. a vertical slot; 11. an oblique groove; 12. a threaded hole; 13. a fitting section; 14. a threaded sleeve; 15. fitting a sleeve; 16. a sealing sleeve; 17. a seal bolt; 18. an oil filler pipe; 19. an oil filling plug; 20. a hexagonal section; 21. sealing the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-4, a PDC drill bit with rotary oscillation percussion function includes a main body 1, a connecting shaft 2, a receiving seat 3 and a main drill bit 4, the main body 1 is provided with a self-clamping device and a fixing device, one end of the receiving seat 3 is connected with the main drill bit 4, the other end is provided with the connecting shaft 2, the connecting shaft 2 is mounted on the self-clamping device, the self-clamping device includes a moving plate 5, a vertical block 6, a clamping block 7, a threaded post 8 and a main shaft 9, the moving plate 5 is provided with a vertical slot 10, the vertical block 6 is slidably connected in the vertical slot 10, the vertical block 6 is provided with the clamping block 7, the main body 1 is provided with an inclined slot 11, the clamping block 7 is slidably connected in the inclined slot 11, the moving plate 5 is provided with the threaded post 8, the main body 1 is provided with a threaded hole 12, the threaded post 8 is threadedly connected in the threaded hole 12, the vertical slot 10, the vertical block 6, the clamping block 7 and the inclined slot 11 are respectively provided with a plurality of, a plurality of vertical grooves 10 are respectively arranged on the movable disk 5, a plurality of vertical blocks 6 are connected on the vertical grooves 10 in a sliding manner, a plurality of inclined grooves 11 are respectively arranged on the inner side of the main body 1, a plurality of clamping blocks 7 are respectively connected on the inclined grooves 11 in a sliding manner, the movable disk 5, the vertical blocks 6, the clamping blocks 7, the threaded columns 8 and the main shaft 9 are respectively arranged in the main body 1, when the self-clamping process is carried out, because the threaded columns 8 are connected in the threaded holes 12 in a threaded manner, when the main shaft 9 rotates, the connecting shaft 2 is arranged among the clamping blocks, then when the main shaft 9 rotates, because the threaded columns 8 are connected with the threaded holes 12, the distance between the main shaft 9 and the movable disk 5 is rotated, then the clamping blocks 7 slide downwards under the sliding action of the inclined grooves 11, and slide through the vertical blocks 6 and the vertical grooves 10, then, the connecting shaft 2 is clamped, and the main shaft 9 is rotated all the time, so that the movable disk 5 can be continuously moved towards the main body 1, and then the clamping is more tight, thereby achieving a self-clamping state, ensuring a fixed state under various actions, and completing the whole clamping.

The fixing device comprises a bonding section 13 and a threaded sleeve 14, the bonding section 13 is installed on a main shaft 9, the threaded sleeve 14 is connected to the main shaft 9 in a sliding mode, the threaded sleeve 14 is connected to the inner side of a main body 1 in a threaded mode, a lubricating device is arranged on the main body 1, a bonding sleeve 15 is arranged on the threaded sleeve 14, a sealing sleeve 16 and a sealing bolt 17 are arranged on the main body 1, the bonding sleeve 15 is installed on the threaded sleeve 14, one end of the bonding sleeve 15 is bonded to the main body 1, the other end of the bonding sleeve is bonded to the sealing sleeve 16, the sealing sleeve 16 is connected to the main body 1 in a threaded mode, the sealing bolt 17 is connected to the sealing sleeve 16 in a threaded mode, the main shaft 9 is connected to external equipment firstly, power is provided through the external equipment, the outer end of the threaded sleeve 14 is connected to the main body 1 in a threaded mode, the sealing sleeve 16 is abutted against the main body 1 and fixed through bonding of the bonding section 13 and the threaded sleeve 14, the sealing sleeve 16 is connected to the outer side of the main body 1 in a threaded mode, the sealing sleeve 16 is connected through the sealing bolt 17, the sealing sleeve 16 is abutted against the bonding sleeve 15, and fixed under the double effects of the sealing sleeve 16 and the bonding sleeve 15, and the fixing process is achieved.

Lubricating arrangement includes oiling pipe 18, oiling stopper 19 and hexagonal section 20, oiling pipe 18 is installed on the side of main part 1 and is communicated on main part 1, seal groove 21 has been seted up to oiling pipe 18's up end, seal groove 21 is provided with a plurality ofly and respectively along the axis outdiffusion of oiling pipe 18, oiling stopper 19 threaded connection is on oiling pipe 18, installation hexagonal section 20 on oiling stopper 19, hexagonal section 20 laminates on a plurality of seal grooves 21, lubricating arrangement is provided with a plurality ofly, and set up along the side of main part 1 respectively, and a plurality of oiling pipes 18 all communicate on main part 1.

Example 2:

referring to fig. 1-4, on the basis of embodiment 1, when fixing, firstly, the main shaft 9 is connected to an external device, power is provided by the external device, then the outer end of the threaded sleeve 14 is screwed to the main body 1, so as to fix, the attaching section 13 is attached to the threaded sleeve 14 to support it, then the sealing sleeve 16 is screwed to the outer side of the main body 1, then the sealing sleeve 16 is connected by the sealing bolt 17, the sealing sleeve 16 is supported to the attaching sleeve 15, and the sealing sleeve 16 and the attaching sleeve 15 are fixed under the dual action of the sealing sleeve 16 and the attaching sleeve 15, so as to fix, then during the self-clamping process, since the threaded post 8 is screwed in the threaded hole 12, during the rotation of the main shaft 9, then the connecting shaft 2 is installed between the plurality of clamping blocks, and then during the rotation of the main shaft 9, because of the connection of the threaded column 8 and the threaded hole 12, when the distance between the main shaft 9 and the movable disk 5 is increased by rotation, then the clamping block 7 slides downwards under the sliding action of the inclined groove 11, slides through the vertical block 6 and the vertical groove 10, then clamps the connecting shaft 2, and because the main shaft 9 rotates all the time, the movable disk 5 can continuously move towards the main body 1, and then the clamping is tighter, so that the self-clamping state is achieved, and the fixed state under various actions is ensured, the integral clamping is completed, when the lubrication is performed, the oil filling plug 19 is firstly unscrewed from the oil filling pipe 18, then the lubricating oil is filled into the main body 1 along the oil filling pipe 18, then the oil filling plug 19 is screwed on the oil filling pipe 18, the fixation is performed through the hexagonal section 20, and the sealing is performed through the action of a plurality of sealing grooves 21, and then guaranteed holistic sealed effect, the lubricating oil through oiling pipe 18 can flow to between thread bush 14 and the laminating section 13, has avoided the condition of taking place the corrosion, has promoted use quality.

Example 3:

referring to fig. 1-4, on the basis of embodiment 2, during lubrication, the oil filling plug 19 is firstly unscrewed from the oil filling pipe 18, then the lubricating oil is injected into the main body 1 along the oil filling pipe 18, then the oil filling plug 19 is screwed on the oil filling pipe 18, and is fixed through the hexagonal section 20 and sealed under the action of the plurality of seal grooves 21, so that the overall sealing effect is ensured, the lubricating oil passing through the oil filling pipe 18 flows between the thread bushing 14 and the attaching section 13, the occurrence of corrosion is avoided, and the use quality is improved.

In all the above-mentioned solutions, the actual choice of welding, bolt and nut fit connection, bolt or screw connection or other known connection methods related to the connection between two components is not repeated herein, and all the references in the above are related to the fixed connection, and preferably considered to be welding, although the embodiments of the present invention 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 to these embodiments without departing from the principle and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a PDC drill bit with rotatory vibration impact function, includes main part (1), connecting axle (2), accepts seat (3) and main drill bit (4), its characterized in that: be provided with from clamping device and fixing device on main part (1), main drill bit (4) is connected to the one end of accepting seat (3), and connecting axle (2) are installed to the other end, install connecting axle (2) from clamping device, from clamping device including removing dish (5), perpendicular piece (6), chucking piece (7), screw thread post (8) and main shaft (9), perpendicular groove (10) have been seted up on removing dish (5), perpendicular piece (6) sliding connection is in perpendicular groove (10), installs chucking piece (7) on perpendicular piece (6), has seted up slant groove (11) on main part (1), and chucking piece (7) sliding connection is in slant groove (11), installs screw thread post (8) on removing dish (5), has seted up screw hole (12) on main part (1), and screw thread post (8) threaded connection is in screw hole (12), fixing device is including laminating section (13) and thread bush (14), and laminating section (13) are installed on main shaft (9), and screw thread bush (14) sliding connection is on main shaft (9), and screw thread bush (14) threaded connection sets up inboard main part (1) lubricating device on main part (1).

2. The PDC bit having a rotary oscillating percussive function according to claim 1, wherein: perpendicular groove (10), perpendicular piece (6), chucking piece (7) and slant groove (11) are provided with a plurality ofly respectively, and set up respectively on removing dish (5) a plurality of perpendicular groove (10), and are a plurality of perpendicular piece (6) sliding connection is on perpendicular groove (10), and is a plurality of the inboard in main part (1) is set up respectively in slant groove (11), and is a plurality of chucking piece (7) sliding connection is on slant groove (11) respectively.

3. The PDC bit having a rotary oscillating percussive function according to claim 1, wherein: be equipped with laminating cover (15) on thread bush (14), be equipped with seal cover (16) and sealing bolt (17) on main part (1), laminating cover (15) are installed on thread bush (14), and laminating cover (15) one end is laminated on main part (1), and the other end is laminated on seal cover (16), and seal cover (16) threaded connection is on main part (1), and sealing bolt (17) threaded connection is on seal cover (16).

4. The PDC bit having a rotary oscillating percussive function according to claim 1, wherein: lubricating arrangement includes oiling pipe (18), oiling stopper (19) and hexagonal section (20), and just the intercommunication is installed on the side of main part (1) in oiling pipe (18), and seal groove (21) have been seted up to the up end of oiling pipe (18), seal groove (21) are provided with a plurality ofly and respectively along the axis outdiffusion of oiling pipe (18), and oiling stopper (19) threaded connection is on oiling pipe (18), and installation hexagonal section (20) on oiling stopper (19), and hexagonal section (20) laminating is a plurality of on seal groove (21).

5. The PDC drill bit with rotary oscillation percussion function of claim 4, wherein: the lubricating device is provided with a plurality of lubricating devices which are respectively arranged along the side surface of the main body (1), and the plurality of oil filling pipes (18) are communicated on the main body (1).

6. The PDC bit having a rotary oscillating percussive function according to claim 1, wherein: the movable disc (5), the vertical block (6), the clamping block (7), the threaded column (8) and the main shaft (9) are respectively installed inside the main body (1).