CN216477200U - Oil pipe thread abrasion preventing mechanism of oil field pipe feeding machine - Google Patents

Abstract

The utility model relates to an oil field pipe feeding machine prevents oil pipe screw thread wearing and tearing mechanism, including pipe feeding machine body, the fixed lifting arm that is provided with on the pipe feeding machine body, lifting arm upside detachably is provided with V type frid, V type frid upper end slidable is provided with V type dolly, V type dolly bilateral symmetry is provided with a plurality of gyro wheel, V type dolly passes through the gyro wheel with surface contact on the V type frid, and with V type frid sliding connection, V type dolly one end is provided with the baffle, and the external oil pipe that needs to transport places on V type dolly, and the gyro wheel that passes through the lower extreme setting through the V type dolly moves on V type frid to drive oil pipe and carry on the lifting arm and not with the lifting arm between the friction cause oil pipe's damage.

Description

Oil pipe thread wear prevention mechanism of oil field pipe feeding machine

Technical Field

The utility model relates to a petroleum industry automatic operation equipment technical field specifically is an oil field pipe feeding machine prevents oil pipe screw thread wearing and tearing mechanism.

Background

The pipe rod conveyor for the oil field is mainly used for conveying drill rods and taking drill rod sites in petroleum and natural gas drilling, is convenient for constructors to convey pipelines or drill rods, however, the pipe rod conveyor used in the oil field has no thread anti-wear mechanism of the oil pipe, so when the pipe rod conveyor carries out pipe conveying and pipe connecting operation, the phenomena of unsmooth and unsmooth delivery of the oil pipe and bending of the oil pipe occur, the damage of the oil pipe is caused, the construction cost is increased, meanwhile, the oil pipe screw thread is easy to rub on two steel bar tracks of the conveying device of the pipe rod conveyor, so that the oil pipe screw thread is damaged or abraded, the construction is not facilitated to be rapidly carried out, the construction speed is slowed down while materials are wasted, and when the pipe rod conveyor is used for connecting pipes, pipe pole conveyer and oil pipe can only relative slip, and the decline of efficiency of construction results in to hard friction between conveyer and oil pipe, the utility model discloses a new solution has been proposed to above problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an oil field pipe feeding machine prevents oil pipe screw thread wearing and tearing mechanism to solve the technical problem who mentions in the background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a mechanism for preventing oil pipe screw thread abrasion of an oil field pipe conveying machine comprises a pipe conveying machine body, wherein a lifting arm is fixedly arranged on the pipe conveying machine body, a V-shaped groove plate is detachably arranged on the upper side of the lifting arm, mounting frames are respectively arranged on the left side and the right side of the V-shaped groove plate, oil pipe guide wheels are rotatably arranged on the mounting frames, a mounting plate is arranged at the lower end of the V-shaped groove plate, a fixing frame matched with the mounting plate is arranged on the lifting arm, the mounting plate and the fixing frame are connected through bolts, a V-shaped trolley is slidably arranged at the upper end of the V-shaped groove plate, a plurality of rollers are symmetrically arranged on the left side and the right side of the V-shaped trolley, the V-shaped trolley is in contact with the upper surface of the V-shaped groove plate through the rollers and is in sliding connection with the V-shaped groove plate, a baffle is arranged at one end of the V-shaped trolley, and oil pipes which need to be conveyed from the outside are placed on the V-shaped trolley, the V-shaped trolley moves on the V-shaped groove plate through the idler wheel arranged at the lower end of the V-shaped trolley.

Preferably, a hydraulic motor is arranged at the upper end of the lifting arm, a clutch is arranged on one side of the hydraulic motor, the hydraulic motor is connected with the clutch, a gear is fixedly arranged on the hydraulic motor, the hydraulic motor and the clutch are mounted at the upper end of the lifting arm through bolts, a chain is arranged on the gear, two ends of the chain are respectively fixed at two ends of the V-shaped trolley, the gear is matched with the chain, the gear is driven by the hydraulic motor to rotate, and the V-shaped trolley is driven to move through the transmission of the chain.

Preferably, chain guide wheels are respectively arranged on the outer side of the mounting frame and the lower end of the V-shaped groove plate, a tensioning mechanism is arranged on the lower side of the V-shaped groove plate, the chain guide wheel arranged at the lower end of the V-shaped groove plate is arranged at the front end of the tensioning mechanism, and the chain is placed on the chain guide wheel, penetrates through the tensioning mechanism to be matched with the gear and is fixedly connected with the two ends of the V-shaped trolley.

Preferably, the tensioning mechanism comprises a wheel seat, a wheel shaft, two screws, two nuts and a tug, wherein the wheel seat is fixedly mounted at the lower end of the V-shaped groove plate, the tug is rotatably mounted on the wheel shaft, the wheel shaft is slidably mounted on the wheel seat, one end of each screw is fixedly mounted on the wheel shaft, the two nuts are respectively mounted on the screws, the wheel seat penetrates through the screws and is mounted between the two nuts, the chain penetrates through a chain guide wheel to be matched with the tug, and the distance between the tug and the wheel seat is changed by adjusting the rotation of the nuts on the screws.

In a further preferred mode, two chain guard plates are arranged on the V-shaped groove plate and are respectively located on two sides of the tensioning mechanism, and the chain is arranged on the chain guide wheel, penetrates through the chain guard plates and is fixedly connected with the V-shaped trolley.

Preferably, the inner wall of the V-shaped trolley is symmetrically provided with a plurality of anti-abrasion lining plates, and the threads on the oil pipe are protected from being abraded while the friction force between the threads and the outer wall of the external oil pipe is increased through the anti-abrasion lining plates.

(III) advantageous effects

Compared with the prior art, the utility model provides an oil field pipe feeding machine prevents oil pipe screw thread wearing and tearing mechanism possesses following beneficial effect:

1. the utility model discloses in through setting up the V type frid of fixed mounting on the lifing arm and gliding V type dolly on V type frid inner wall, when pipeline construction, place oil pipe on V type dolly, drive oil pipe through V type dolly and remove on the lifing arm, produced the card when contact between lifing arm and oil pipe leads to the construction and hang down and the not smooth problem, guaranteed going on smoothly of oil pipe construction.

2. The utility model discloses in install hydraulic motor and clutch in the lift arm upper end through the setting to and the chain guide pulley that sets up on gear and the V type frid on the hydraulic motor, through the cooperation of chain and gear, oil hydraulic motor drives gear revolve, and the transmission through gear and chain drives V type dolly and moves on V type frid, thereby has realized that V type dolly can drive oil pipe and has moved on the lift arm, thereby has avoided oil pipe wearing and tearing and screw thread to damage in transportation process.

3. The utility model discloses in through straining device and the chain backplate that sets up V type frid lower extreme, when the chain is not hard up, through adjusting straining device's nut and screw rod, change the height of tow boat to carry out the tensioning to the chain, the chain backplate prevents that the chain from not taking place skew and protection chain in the operation one-tenth, thereby guarantees the normal operating of equipment.

Drawings

Fig. 1 is a schematic view of the overall structure of an oil pipe thread wear prevention mechanism of an oil pipe feeding machine of the present invention;

FIG. 2 is a schematic view of a matching structure of a V-shaped groove plate and a V-shaped trolley of the oil pipe thread wear prevention mechanism of the oil pipe feeding machine of the present invention;

fig. 3 is a partial enlarged view of a structure at a position a in fig. 1 of the oil pipe thread wear prevention mechanism of the oil pipe feeding machine of the present invention;

fig. 4 is a partial enlarged view of a structure B in fig. 1 of the oil pipe thread wear prevention mechanism of the oil pipe feeding machine of the present invention;

fig. 5 is a partial enlarged view of the structure at C in fig. 2 of the oil pipe thread wear prevention mechanism of the oil pipe feeding machine of the present invention;

fig. 6 is a partial enlarged view of a structure at D in fig. 2 of the oil pipe thread wear prevention mechanism of the oil pipe feeding machine of the present invention;

fig. 7 is a partial enlarged view of the structure at E in fig. 2 of the oil pipe thread wear prevention mechanism of the oil pipe feeding machine of the present invention;

fig. 8 is the utility model discloses in an oil field pipe feeding machine prevents rear view of oil pipe screw thread wearing and tearing mechanism V type dolly.

In the figure: 1. a tube feeder body; 2. a lifting arm; 3. a V-shaped groove plate; 4. a mounting frame; 5. an oil pipe guide wheel; 6. mounting a plate; 7. a fixed mount; 8. a V-shaped trolley; 9. a roller; 10. a baffle plate; 11. a hydraulic motor; 12. a clutch; 13. a gear; 14. a chain guide wheel; 15. a wheel seat; 16. a wheel axle; 17. a screw; 18. a nut; 19. a tug; 20. a chain guard plate; 21. wear-resistant lining plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. 1-8, a mechanism for preventing oil pipe thread wear of an oil pipe feeding machine for an oil field comprises a pipe feeding machine body 1, a lifting arm 2 is fixedly arranged on the pipe feeding machine body 1, a V-shaped groove plate 3 is detachably arranged on the upper side of the lifting arm 2, mounting frames 4 are respectively arranged on the left side and the right side of the V-shaped groove plate 3, an oil pipe guide wheel 5 is rotatably arranged on each mounting frame 4, a mounting plate 6 is arranged at the lower end of the V-shaped groove plate 3, a fixing frame 7 matched with the mounting plate 6 is arranged on the lifting arm 2, the mounting plate 6 and the fixing frame 7 are connected through bolts, a V-shaped trolley 8 is slidably arranged on the upper end of the V-shaped groove plate 3, a plurality of rollers 9 are symmetrically arranged on the left side and the right side of the V-shaped trolley 8, the V-shaped trolley 8 is in sliding connection with the V-shaped groove plate 3 through the contact of the rollers 9 and the upper surface of the V-shaped groove plate 3, a baffle 10 is arranged at one end of the V-shaped trolley 8, an oil pipe to be transported outside is placed on the V-shaped trolley 8, the V-shaped trolley 8 moves on the V-shaped groove plate 3 through the roller 9 arranged at the lower end, so that the oil pipe is driven to be conveyed on the lifting arm 2 without being damaged by friction between the oil pipe and the lifting arm 2.

In this embodiment, 2 upper ends of lifing arm are provided with hydraulic motor 11, hydraulic motor 11 one side is provided with clutch 12, hydraulic motor 11 and clutch 12 are connected, the last fixed gear 13 that is provided with of hydraulic motor 11, hydraulic motor 11 and clutch 12 pass through the bolt and install in 2 upper ends of lifing arm, be provided with the chain on the gear 13, carry out the transmission through the chain, the both ends of chain are fixed in the both ends of V type dolly 8 respectively, gear 13 and chain cooperation, drive gear 13 through hydraulic motor 11 and rotate, drive V type dolly 8 motion through the transmission of chain, thereby provide power for the motion of V type dolly 8.

In this embodiment, the chain guide wheel 14 is respectively arranged at the outer side of the mounting frame 4 and the lower end of the V-shaped groove plate 3, the tensioning mechanism is arranged at the lower side of the V-shaped groove plate 3, the chain guide wheel 14 arranged at the lower end of the V-shaped groove plate 3 is arranged at the front end of the tensioning mechanism, the chain is placed on the chain guide wheel 14, passes through the tensioning mechanism to be matched with the gear 13 and is fixedly connected with the two ends of the V-shaped trolley 8, and in the chain operation process, the chain guide wheel 14 reduces the friction of the chain for avoiding the V-shaped groove plate 3 while limiting the transverse displacement of the chain, so that the transmission efficiency of the chain is improved.

In this embodiment, the tensioning mechanism includes a wheel seat 15, an axle 16, a screw rod 17, nuts 18 and a tug 19, the wheel seat 15 is fixedly installed at the lower end of the V-groove plate 3, the tug 19 is rotatably installed on the axle 16, the axle 16 is slidably installed on the wheel seat 15, one end of the screw rod 17 is fixedly installed on the axle 16, two nuts 18 are provided, the two nuts 18 are respectively installed on the screw rod 17, the wheel seat 15 passes through the screw rod 17 and is installed between the two nuts 18, the chain passes through the chain guide wheel 14 and is matched with the tug 19, and the distance between the tug 19 and the wheel seat 15 is changed by adjusting the rotation of the nut 18 on the screw rod 17, so that the tug 19 tightly pushes against the chain, and the tensioning of the chain is completed.

In this embodiment, two chain guards 20 are provided on the V-shaped slot plate 3, and are respectively located at two sides of the tensioning mechanism, the chain is placed on the chain guide wheel 14 and passes through the chain guards 20 to be fixedly connected with the V-shaped trolley 8, and the chain guards 20 prevent the chain from shifting during the operation and protect the chain, thereby ensuring the normal operation of the equipment.

In this embodiment, a plurality of wear-resistant lining plates 21 are symmetrically arranged on the inner wall of the V-shaped trolley 8, and the wear-resistant lining plates 21 increase the friction force between the wear-resistant lining plates and the outer wall of the external oil pipe, so as to protect the screw thread on the oil pipe from being worn and facilitate the transportation of the oil pipe.

Example 2:

in conclusion, when oil pipe conveying is carried out, the lifting arm 2 of the pipe rod conveyor is lifted, an oil pipe is placed on the V-shaped trolley 8, the clutch 12 and the hydraulic motor 11 are closed, the hydraulic motor 11 is opened, the hydraulic motor 11 drives the gear 13 to rotate, the gear 13 drives the chain to move along the chain guide wheel 14 through matching with the chain, the chain drives the V-shaped trolley 8 to move, the roller 9 arranged at the lower end of the V-shaped trolley 8 rotates, the V-shaped trolley 8 moves on the V-shaped groove plate 3 to convey the oil pipe to a wellhead, the moving speed of the V-shaped trolley 8 is consistent with the moving speed of an external elevator, relative sliding cannot be generated between the oil pipe and the V-shaped trolley 8, and therefore the thread on the oil pipe cannot be damaged due to friction.

Example 3:

to sum up, when the chain needs to be tensioned, the nut 18 on the screw rod 17 is rotated, the screw rod 17 is lifted or lowered through the thread fit between the screw rod 17 and the nut 18, so as to drive the wheel shaft 16 and the tug 19 to move relatively on the wheel seat 15, so as to change the distance between the tug 19 and the wheel seat 15, so as to tightly push or release the chain, complete the tensioning of the chain, when the butt joint between oil pipes is carried out, the connection between the clutch 12 and the hydraulic motor 11 is released, the hydraulic motor 11 does not work, and is in a follow-up state, no power is provided for the V-shaped trolley 8, the elevator drives the oil pipe to move forward, the V-shaped trolley 8 retreats relative to the oil pipe, the V-shaped trolley 8 is driven by the movement of the elevator, so that the running speeds between the V-shaped trolley 8 and the elevator are consistent, and in the process of retreating of the V-shaped trolley 8, because the roller 9 arranged at the lower end of the V-shaped trolley 8 slides on the V-shaped groove plate 3, thereby ensuring smooth and non-blocking delivery of the pipe.

In all the above-mentioned embodiments, the connection between two components may be selected from welding, bolt and nut fit connection, bolt or screw connection or other known connection methods according to actual situations, and it is not necessary to describe herein in detail, and in the above description, all the connections related to the fixed connection have been written, and welding is preferred, and 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 in these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The oil pipe thread wear prevention mechanism of the oil field pipe conveying machine comprises a pipe conveying machine body (1) and is characterized in that a lifting arm (2) is fixedly arranged on the pipe conveying machine body (1), a V-shaped groove plate (3) is detachably arranged on the upper side of the lifting arm (2), mounting frames (4) are arranged on the left side and the right side of the V-shaped groove plate (3), an oil pipe guide wheel (5) is rotatably arranged on the mounting frames (4), a mounting plate (6) is arranged at the lower end of the V-shaped groove plate (3), a fixing frame (7) matched with the mounting plate (6) is arranged on the lifting arm (2), the mounting plate (6) and the fixing frame (7) are connected through bolts, a V-shaped trolley (8) is slidably arranged at the upper end of the V-shaped groove plate (3), and a plurality of idler wheels (9) are symmetrically arranged on the left side and the right side of the V-shaped trolley (8), the V-shaped trolley (8) is in contact with the upper surface of the V-shaped groove plate (3) through a roller (9) and is in sliding connection with the V-shaped groove plate (3), and a baffle (10) is arranged at one end of the V-shaped trolley (8).

2. The mechanism for preventing the oil pipe thread from being worn by the oilfield pipe feeding machine according to claim 1, wherein: the hydraulic lifting arm is characterized in that a hydraulic motor (11) is arranged at the upper end of the lifting arm (2), a clutch (12) is arranged on one side of the hydraulic motor (11), the hydraulic motor (11) is connected with the clutch (12), a gear (13) is fixedly arranged on the hydraulic motor (11), and the hydraulic motor (11) and the clutch (12) are installed at the upper end of the lifting arm (2) through bolts.

3. The mechanism for preventing the oil pipe thread from being worn by the oilfield pipe feeding machine according to claim 1, wherein: chain guide wheels (14) are arranged on the outer side of the mounting frame (4) and the lower end of the V-shaped groove plate (3) respectively, a tensioning mechanism is arranged on the lower side of the V-shaped groove plate (3), and the chain guide wheels (14) arranged at the lower end of the V-shaped groove plate (3) are arranged at the front end of the tensioning mechanism.

4. The mechanism of claim 3 for preventing wear of tubing thread of tubing string in an oilfield, wherein: the tensioning mechanism comprises a wheel seat (15), a wheel shaft (16), a screw rod (17), nuts (18) and a tug (19), wherein the wheel seat (15) is fixedly installed at the lower end of the V-shaped groove plate (3), the tug (19) is rotatably installed on the wheel shaft (16), the wheel shaft (16) is installed on the wheel seat (15) in a sliding mode, one end of the screw rod (17) is fixedly installed on the wheel shaft (16), the number of the nuts (18) is two, the two nuts (18) are installed on the screw rod (17) respectively, and the wheel seat (15) penetrates through the screw rod (17) and is installed between the two nuts (18).

5. The mechanism of claim 3 for preventing wear of tubing thread of tubing string in an oilfield, wherein: two chain guard plates (20) are arranged on the V-shaped groove plate (3) and are respectively positioned on two sides of the tensioning mechanism.

6. The mechanism for preventing the oil pipe thread from being worn by the oilfield pipe feeding machine according to claim 1, wherein: the inner wall of the V-shaped trolley (8) is symmetrically provided with a plurality of anti-abrasion lining plates (21).

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