CN219344625U

CN219344625U - Novel stable drill rod device for reverse well drilling machine

Info

Publication number: CN219344625U
Application number: CN202320795040.4U
Authority: CN
Inventors: 冯志德
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2023-07-14
Anticipated expiration: 2033-04-11

Abstract

The utility model belongs to the technical field of a well reversing drilling machine, in particular to a novel stable drill rod device for a well reversing drilling machine, which comprises a drill rod; drilling rod threaded connection has reamer bit, drilling rod surface encircles the deflector that is connected with the fixed setting, the guide way has been seted up to the deflector, the guide way joint has the connecting block, the connecting block is kept away from the inside elasticity bag one that sets up for the cavity of one end fixedly connected with of deflector, elasticity bag bottom fixedly connected with joint piece, the joint groove has been seted up to the reamer bit, elasticity bag side fixedly connected with runs through to its inside blast pipe, the blast pipe orientation one end fixedly connected with shower nozzle of drilling rod is convenient for blow down dust and piece attached to each threaded connection department at drilling rod surface, avoids leading to reducing the stability behind drilling rod and the reamer bit connection because of dust and piece separation, is convenient for then the drilling rod steady operation in follow-up reaming operation.

Description

Novel stable drill rod device for reverse well drilling machine

Technical Field

The utility model belongs to the technical field of well reversing drills, and particularly relates to a novel stable drill rod device for a well reversing drill.

Background

The reverse well drilling machine drives a hydraulic motor through a motor of the drilling machine, the hydraulic motor drives a water tap, torque is transmitted to a drilling tool system by utilizing hydraulic power, a drill rod and a drill bit are driven to rotate, and a hob on a pilot hole drill bit or a reamer bit performs pure rolling or micro sliding along a bottom hole rock working surface under the action of the weight of the drill bit. Meanwhile, axial pulling and pressure generated by the main engine oil cylinder also acts on the pilot hole drill bit or the reamer bit through the power head and the drill rod, so that the hob of the pilot hole drill bit rolls under the action of the drill pressure to generate impact load, and hob teeth generate impact, extrusion and shearing actions on the rock to crush the rock.

One Chinese patent of Chinese patent application CN218407345U discloses a novel stable drill rod device for a reverse well drilling machine, and the technical scheme is characterized in that: when the length of the drill rod is longer after the drill rod drills a certain distance, the bending moment borne by the center part of the drill rod is the largest, and the structures of the reinforcing short pipe, the upper limiting plate, the lower limiting plate and the positioning sleeve are additionally arranged in the middle of the rotating rod, so that the stability of drilling the drill rod can be enhanced, the horizontal displacement of the drill rod can be effectively prevented, the constraint of the drill rod in the radial direction is unchanged, the deflection of the drill rod is prevented, and the precision of the guide hole excavation can be well ensured; and secondly, the first steel balls and the second steel balls are arranged in the upper limit groove and the lower limit groove and can only move in the axial direction of the upper limit groove and the lower limit groove due to the limit action of the upper limit plate and the upper limit plate, when the drill rod rotates, the reinforcing short pipe, the positioning sleeve and the like are driven to rotate, and then the first steel balls and the second steel balls are driven to rotate, so that friction between the outer wall of the drill rod and the side wall of the vertical shaft can be greatly reduced in the rotating process, the mechanical energy loss in the drilling process is thoroughly solved, the abrasion to the wear-resisting strip is reduced, the working efficiency is effectively improved, and the drill rod has the advantages of reasonable structure, easiness in implementation and good use effect, and is easy to popularize and use.

With respect to the above and related art, the inventors believe that there are often the following drawbacks: according to the technical scheme, due to the lack of the cleaning mechanism, dust and fragments attached to the threaded connection parts of the outer surface of the drill rod are inconvenient to blow off, and due to the fact that the dust and the fragments are blocked, the stability of the drill rod after being connected with the reaming bit is easily reduced, and then the problem that the drill rod stably runs in the follow-up reaming operation is affected; therefore, a novel stable drill rod device for a well reversing drill is provided for solving the problems.

Disclosure of Invention

In order to make up the defect of the prior art, the problem that the stability of the drill rod after being connected with a reaming bit is easily reduced due to the blocking of dust and fragments, and then the stable operation of the drill rod in the follow-up reaming operation is affected due to the fact that dust and fragments attached to all threaded joints on the outer surface of the drill rod are inconvenient to blow down due to the lack of a cleaning mechanism is solved.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a novel stable drill rod device for a reverse well drilling machine, which comprises a drill rod; drilling rod threaded connection has reamer bit, the drilling rod surface encircles the deflector that is connected with the fixed setting, the guide way has been seted up to the deflector, the guide way joint has the connecting block, the connecting block is kept away from the inside elasticity bag one that sets up for cavity of one end fixedly connected with of deflector, elasticity bag one bottom fixedly connected with joint piece, the joint groove has been seted up to the reamer bit, elasticity bag side fixedly connected with runs through to its inside blast pipe, the blast pipe orientation the one end fixedly connected with shower nozzle of drilling rod is convenient for blow down dust and piece attached to each threaded connection department at the drilling rod surface, avoids leading to reducing the stability behind drilling rod and the reamer bit connection because of dust and piece separation, then is convenient for the drilling rod steady operation in follow-up reaming operation, rotates in the guide way through setting up the connecting block and is convenient for play the spacing effect of direction when rotating around the drilling rod is outside to elasticity bag one.

Preferably, the end face, facing the drill rod, of the spray head is fixedly connected with a limit column, the end face, far away from the first elastic bag, of the spray head is connected with a baffle in a contact manner, the baffle is fixedly connected with an elastic rope, and the elastic rope is provided with a trepanning sleeved outside the limit column; avoid outside dust to get into inside the shower nozzle, the clean maintenance of the sanitation of being convenient for will blow up the baffle when the shower nozzle is to carrying out the exhaust operation, and the elasticity rope is convenient for carry out spacing placing to the baffle.

Preferably, the front surface of the elastic bag I is fixedly connected with an elastic bag II which is arranged in a hollow manner, the side surface of the elastic bag II, which faces the drill rod, is fixedly connected with a liquid discharge pipe, the liquid discharge pipe penetrates into the elastic bag II, the liquid discharge pipe is connected with a hydraulic pump, the side surface of the elastic bag II, which is far away from the drill rod, is fixedly connected with a liquid inlet pipe, the liquid inlet pipe penetrates into the elastic bag II, and the liquid inlet pipe is in threaded connection with a sealing cover; the lubricant is sprayed to each threaded connection position of the outer surface of the drill rod step by step through the liquid discharge pipe, so that the cleaning of each threaded connection position of the outer surface of the drill rod is facilitated, and meanwhile, a certain cooling effect is achieved, and the abrasion of the drill rod is slowed down.

Preferably, an outer cylinder is sleeved outside the drill rod, the outer cylinder is fixedly connected with the guide plate through a bolt, and the inner diameter size of the outer cylinder is matched with the outer diameter size of the reaming bit; the elastic bag I and the elastic bag II are convenient to limit in the process of extruding the elastic bag I and the elastic bag II, and the deflection of the elastic bag I and the elastic bag II is avoided.

Preferably, the outer cylinder is provided with a plurality of empty avoiding grooves, and the empty avoiding grooves are distributed and arranged on the outer cylinder in a circumferential array mode; the outer barrel is convenient to reduce weight and raw materials by arranging the plurality of clearance grooves, and meanwhile, operators can intuitively check the implementation condition inside the outer barrel through the plurality of clearance grooves.

Preferably, the guide plate is arranged in an upper section and a lower section, and the connecting block is arranged in a T shape and is matched with the guide groove; through setting up the deflector to upper and lower two segmentation be convenient for assemble the connecting block and place, avoid the roll-off when the inside displacement of guide way through setting up the connecting block that the looks adaptation is convenient for set up for the T type.

The beneficial effects of the utility model are as follows:

1. according to the novel stable drill rod device for the back-well drilling machine, the guide hole drill bit is separated from the drill rod, the clamping groove formed in the reaming drill bit is clamped with the clamping block, the reaming drill bit is in threaded connection with the drill rod, the reaming drill bit is rotated clockwise to gradually displace upwards, the elastic bag I is driven to rotate around the outside of the drill rod and gradually extrude the elastic bag I, then the air in the elastic bag I is discharged through the exhaust pipe and is convenient for blowing dust and scraps attached to the threaded connection positions on the outer surface of the drill rod, stability of the drill rod after the drill rod is connected with the reaming drill bit is prevented from being reduced due to dust and scraps, then the drill rod can stably run in subsequent reaming operation, and the elastic bag I is convenient to play a role of guiding and limiting when rotating around the outside of the drill rod through the arrangement of the connecting block in the guide groove.

2. According to the novel stable drill rod device for the reverse well drilling machine, before the drill rod is in threaded connection with the reaming bit, quantitative lubricant is injected into the elastic bag II through the liquid inlet pipe and then sealed through the sealing cover until the drill rod is in threaded connection with the reaming bit, the hydraulic pump is started when the elastic bag II is extruded and displaced along with the elastic bag I, so that the lubricant is gradually sprayed to each threaded connection position on the outer surface of the drill rod through the liquid discharge pipe, and the cleaning of each threaded connection position on the outer surface of the drill rod is facilitated, meanwhile, a certain cooling effect is achieved, and abrasion of the drill rod is relieved.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of the outer cylinder of FIG. 1 with the outer cylinder removed;

FIG. 3 is a front view of FIG. 2 in accordance with the present utility model;

FIG. 4 is a schematic perspective view of a first elastic bag according to the present utility model;

FIG. 5 is a schematic perspective view of a spray head according to the present utility model;

FIG. 6 is a schematic perspective view of a second elastic bag according to the present utility model;

FIG. 7 is a schematic perspective view of a baffle plate according to the present utility model;

fig. 8 is a schematic perspective view of a second embodiment of the present utility model.

In the figure: 1. a drill rod; 2. reaming bit; 3. a guide plate; 4. a guide groove; 5. a connecting block; 6. an elastic bag I; 7. a clamping block; 8. a clamping groove; 9. an exhaust pipe; 10. a spray head; 11. a limit column; 12. a baffle; 13. an elastic rope; 14. trepanning; 15. an elastic bag II; 16. a liquid inlet pipe; 17. sealing cover; 18. a liquid discharge pipe; 19. a hydraulic pump; 20. an outer cylinder; 21. an empty-avoiding groove; 22. and a hanging hole.

Detailed Description

The utility model is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1 to 7, the novel stable drill rod device for the back-well drilling machine comprises a drill rod 1; the drilling rod 1 is in threaded connection with a reaming bit 2, a guide plate 3 fixedly arranged is connected around the outer surface of the drilling rod 1, a guide groove 4 is formed in the guide plate 3, a connecting block 5 is clamped in the guide groove 4, an elastic bag I6 which is arranged in a hollow mode is fixedly connected to one end, away from the guide plate 3, of the connecting block 5, a clamping block 7 is fixedly connected to the bottom of the elastic bag I6, a clamping groove 8 is formed in the reaming bit 2, an exhaust pipe 9 penetrating through the elastic bag I6 is fixedly connected to the side face of the elastic bag I6, and a spray head 10 is fixedly connected to one end, facing the drilling rod 1, of the exhaust pipe 9; when the reaming operation is needed after the guide hole stage is finished, an operator firstly separates a guide hole drill bit (not shown in the figure) from the drill rod 1, scraps and dust on a construction site are easy to adhere to the threaded connection parts on the outer surface of the drill rod 1 after separation, then the clamping groove 8 formed in the reaming drill bit 2 is clamped with the clamping block 7, then the reaming drill bit 2 is in threaded connection with the drill rod 1 and rotates clockwise, the reaming drill bit 2 is gradually displaced upwards, the elastic bag I6 is driven to rotate around the outside of the drill rod 1 and gradually extrude the elastic bag I6, then the gas in the elastic bag I6 is discharged through the exhaust pipe 9, dust and scraps adhering to the threaded connection parts on the outer surface of the drill rod 1 are conveniently blown down, the stability of the drill rod 1 and the reaming drill bit 2 is prevented from being reduced due to dust and scraps blocking, the drill rod 1 is conveniently and stably operated in the follow-up reaming operation, and the elastic bag I6 is conveniently guided and limited when the elastic bag I6 rotates around the outside of the drill rod 1 through the guide groove 4.

The end face, facing the drill rod 1, of the spray head 10 is fixedly connected with a limit column 11, the end face, far away from the elastic bag I6, of the spray head 10 is in contact connection with a baffle 12, the baffle 12 is fixedly connected with an elastic rope 13, and the elastic rope 13 is provided with a trepanning 14 sleeved outside the limit column 11; during operation, when the shower nozzle 10 is not used for exhausting, the baffle 12 is used for blocking the ejection port of the shower nozzle 10, so that external dust is prevented from entering the shower nozzle 10, sanitation and maintenance are facilitated, when the shower nozzle 10 is used for exhausting, the baffle 12 is blown up, and the elastic rope 13 is convenient for limiting and placing the baffle 12.

The front of the elastic bag I6 is fixedly connected with an elastic bag II 15 with a hollow inside, the side surface of the elastic bag II 15 facing the drill rod 1 is fixedly connected with a liquid discharge pipe 18, the liquid discharge pipe 18 penetrates into the elastic bag II 15, the liquid discharge pipe 18 is connected with a hydraulic pump 19, the side surface of the elastic bag II 15 away from the drill rod 1 is fixedly connected with a liquid inlet pipe 16, the liquid inlet pipe 16 penetrates into the elastic bag II 15, and the liquid inlet pipe 16 is in threaded connection with a sealing cover 17; before the drill rod 1 is in threaded connection with the reaming bit 2, a quantitative lubricant (not shown in the figure) is injected into the elastic bag II 15 through the liquid inlet pipe 16 and then sealed through the sealing cover 17 until the drill rod 1 is in threaded connection with the reaming bit 2, the hydraulic pump 19 is started when the elastic bag II 15 is extruded and displaced along with the elastic bag I6, so that the lubricant is gradually sprayed to each threaded connection position on the outer surface of the drill rod 1 through the liquid outlet pipe 18, the cleaning of each threaded connection position on the outer surface of the drill rod 1 is facilitated, a certain cooling effect is achieved, and the abrasion of the threaded connection position is slowed down, and the special description is that: in this embodiment, the required electric devices are electrically connected to the external power source, and the hydraulic pump 19 is a well-known technology and is not improved here, so that the integrity of the present solution is not affected by the description.

The outer cylinder 20 is sleeved outside the drill rod 1, the outer cylinder 20 is fixedly connected with the guide plate 3 through bolts, and the inner diameter size of the outer cylinder 20 is matched with the outer diameter size of the reamer bit 2; in operation, the outer cylinder 20 is convenient for playing a limiting role in the process of extruding the first elastic bag 6 and the second elastic bag 15, so that the first elastic bag 6 and the second elastic bag 15 are prevented from deviating.

The outer cylinder 20 is provided with a plurality of empty avoiding grooves 21, and the empty avoiding grooves 21 are distributed and arranged on the outer cylinder 20 in a circumferential array mode; during operation, through setting up a plurality of and keeping away empty groove 21 be convenient for carry out the weight reduction to urceolus 20 and reduce and use raw and other materials, the operating personnel of being convenient for sees through a plurality of and keeps away empty groove 21 directly perceivedly simultaneously and look over the inside implementation condition of urceolus 20.

The guide plate 3 is arranged in an upper section and a lower section, and the connecting block 5 is arranged in a T shape and is matched with the guide groove 4; during operation, be convenient for assemble the connecting block 5 and place through setting up deflector 3 as upper and lower two segmentation, avoid the roll-off when the inside displacement of guide way 4 through setting up the connecting block 5 that the looks adaptation is convenient for be the T type setting.

Example two

Referring to fig. 8, a comparative example one, as another embodiment of the present utility model,

two hanging holes 22 are formed in the upper end face of the drill rod 1, the two hanging holes 22 are symmetrically arranged, and each hanging hole 22 is concave; during operation, through two hanging holes 22 which are arranged in a concave mode and are symmetrical, an operator can conveniently use a suspension tool (not shown in the figure) to pass through the two hanging holes 22 to suspend and carry the drill rod 1.

When the pilot hole stage is completed and reaming operation is needed, an operator firstly separates a pilot hole drill bit (not shown in the figure) from a drill rod 1, before the drill rod 1 is in threaded connection with the reamer bit 2, quantitative lubricant (not shown in the figure) is injected into the elastic bag II 15 through a liquid inlet pipe 16 and then sealed through a sealing cover 17, then a clamping groove 8 formed in the reamer bit 2 is clamped with a clamping block 7, then the reamer bit 2 is in threaded connection with the drill rod 1 and rotates the reamer bit 2 clockwise to gradually displace upwards, then the elastic bag I6 is driven to rotate around the outside of the drill rod 1 and gradually extrude the elastic bag I6, then gas in the elastic bag I6 is discharged through an exhaust pipe 9 and dust and chips attached to each threaded connection position on the outer surface of the drill rod 1 are conveniently blown down, avoid leading to reducing the stability behind drilling rod 1 and reamer bit 2 being connected because of dust and piece separation, then be convenient for drilling rod 1 steady operation in follow-up reaming operation, start hydraulic pump 19 when flexible bag one 6 is pressed and displacement to flexible bag two 15 for the lubricant is gradually spouted to each screwed connection department of drilling rod 1 surface through fluid-discharge tube 18, can also play certain cooling effect and slow down its wearing and tearing when being convenient for carry out abluent each screwed connection department of drilling rod 1 surface, play the spacing effect of direction when rotating flexible bag one 6 around the outside of drilling rod 1 through setting up connecting block 5 inside rotation in guide way 4.

The front, rear, left, right, up and down are all based on fig. 1 of the drawings in the specification, the face of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on, according to the viewing angle of the person.

In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present utility model.

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 embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A novel stable drill rod device for a reverse well drilling machine comprises a drill rod (1); the method is characterized in that: drilling rod (1) threaded connection has reamer bit (2), drilling rod (1) surface encircles and is connected with deflector (3) of fixed setting, deflector (4) have been seted up to deflector (3), deflector (4) joint has connecting block (5), connecting block (5) are kept away from one end fixedly connected with of deflector (3) is inside for elasticity bag one (6) that the cavity set up, elasticity bag one (6) bottom fixedly connected with joint piece (7), reamer bit (2) have been seted up joint groove (8), elasticity bag one (6) side fixedly connected with runs through blast pipe (9) to its inside, blast pipe (9) are towards one end fixedly connected with shower nozzle (10) of drilling rod (1).

2. The novel stable drill rod device for a back-well drilling machine according to claim 1, wherein: the utility model discloses a drilling machine, including drilling rod (1), shower nozzle (10), baffle (12) are connected with in the terminal surface fixedly connected with spacing post (11) of shower nozzle (10) orientation drilling rod (1), the shower nozzle (10) keep away from the terminal surface contact of elastic bag one (6), baffle (12) fixedly connected with elastic rope (13), sleeve hole (14) of establishing in the outside of spacing post (11) are seted up to elastic rope (13).

3. The novel stable drill rod device for a back-well drilling machine according to claim 2, wherein: the utility model discloses a drilling machine, including drilling rod (1), elastic bag (6), inside elastic bag (15) that is cavity setting of positive fixedly connected with of elastic bag (6), elastic bag (15) orientation side fixedly connected with fluid-discharge tube (18) of drilling rod (1), and fluid-discharge tube (18) run through to elastic bag (15) inside, fluid-discharge tube (18) are connected with hydraulic pump (19), elastic bag (15) are kept away from side fixedly connected with feed liquor pipe (16) of drilling rod (1), and feed liquor pipe (16) run through to elastic bag (15) inside, feed liquor pipe (16) threaded connection has sealed lid (17).

4. A novel stabilized drill rod assembly for a reverse well drilling rig according to claim 3, wherein: the drill rod (1) is externally sleeved with an outer cylinder (20), the outer cylinder (20) is fixedly connected with the guide plate (3) through bolts, and the inner diameter of the outer cylinder (20) is matched with the outer diameter of the reaming bit (2).

5. The novel stable drill rod device for a back-well drilling machine according to claim 4, wherein: the outer cylinder (20) is provided with a plurality of clearance grooves (21), and the clearance grooves (21) are distributed and arranged in the outer cylinder (20) in a circumferential array mode.

6. The novel stable drill rod device for a back-well drilling machine according to claim 5, wherein: the guide plate (3) is arranged in an upper section and a lower section, and the connecting block (5) is arranged in a T shape and is matched with the guide groove (4).