CN211623358U - Rod changing device - Google Patents

Abstract

The utility model discloses a rod changing device, which comprises a drill rod storage device, a base, a rotating arm, a telescopic arm, a swinging shaft, a swinging arm, a pipe clamping arm and a pipe clamping device; the lower extreme of swing axle articulates there is the pipe clamping arm, the both ends of pipe clamping arm all are provided with the pipe clamping device. When the rod replacing device is used, the rotating arm is adjusted to a reasonable position through the rotation of the control motor, the pipe clamping arm is parallelly positioned above a drill rod to be clamped through the actions of the lifting oil cylinder, the telescopic oil cylinder, the swinging oil cylinder and the pipe clamping oil cylinder, then the actions of the first driving oil cylinder and the second driving oil cylinder are controlled, the automatic clamping of the drill rod is realized, the drill rod is moved to a position and a posture which are convenient to replace, and the automatic rod replacing operation is realized; thereby reducing the workload of workers and improving the working efficiency of rod replacement.

Description

Rod changing device

Technical Field

The utility model relates to a well drilling auxiliary assembly especially relates to a trade lever apparatus.

Background

In the drilling process of drilling equipment such as a drilling machine, a drill carriage and the like, due to the conditions such as abrasion and the like, a drill rod needs to be replaced quickly in time.

In the prior art, no matter take out the drilling rod from drilling rod storage device, or carry the drilling rod to the rig and realize changing the pole and do not have automatic equipment yet, need to invest a large amount of manpowers and can accomplish. Therefore, in the construction process, time and labor are wasted, and the working efficiency of rod replacement is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a trade pole device, it can conveniently carry the drilling rod to the drill carriage from drilling rod save set, has reduced workman's work load, has improved the work efficiency who trades the pole.

The utility model provides a technical problem adopt following technical scheme: a rod replacing device comprises a drill rod storage device, a base, a rotating arm, a telescopic arm, a swinging shaft, a swinging arm, a pipe clamping arm and a pipe clamping device;

the base is rotatably arranged at one end of the drill rod storage device;

one end of the rotating arm is rotatably arranged on the base, and a guide hole is formed in the other end of the rotating arm along the axis direction of the rotating arm;

one end of the telescopic arm is inserted into a guide hole of the rotating arm, and the cross section of the telescopic arm is the same as that of the guide hole;

a swing shaft is rotatably arranged at the other end of the telescopic arm and is perpendicular to the telescopic arm, a swing arm is fixed at the upper end of the swing shaft, one end of a swing oil cylinder is hinged to the telescopic arm, and the other end of the swing oil cylinder is hinged to the swing arm;

the lower extreme of swing axle articulates there is the pipe clamping arm, the both ends of pipe clamping arm all are provided with the pipe clamping device.

Optionally, drill rods are stored in the drill rod storage device, the drill rods are placed along the length direction of the drill rod storage device, and a preset gap is reserved between the two drill rods.

Optionally, a rotating shaft of the base is vertically arranged, a worm wheel is fixed on the rotating shaft, a motor is further fixed on the drill rod storage device, a worm is fixed on an output shaft of the motor, and the worm is matched with the worm wheel.

Optionally, the cross section of the guide hole is square.

Optionally, the rod replacing device further comprises a lifting oil cylinder, one end of the lifting oil cylinder is hinged to the base, and the other end of the lifting oil cylinder is hinged to the rotating arm.

Optionally, the telescopic arm is of a hollow structure, telescopic oil cylinders are arranged in the telescopic arm and the rotating arm, the cylinder bodies of the telescopic oil cylinders are hinged to the rotating arm, and the piston rods of the telescopic oil cylinders are hinged to the telescopic arm.

Optionally, the rod replacing device further comprises a pipe clamping oil cylinder, one end of the pipe clamping oil cylinder is hinged to the pipe clamping arm, and the other end of the pipe clamping oil cylinder is hinged to the swing shaft.

Optionally, the pipe clamping device comprises a V-shaped seat, a first clamping jaw, a second clamping jaw, a first driving oil cylinder and a second driving oil cylinder;

the opening of the V-shaped seat faces downwards; the middle parts of the first clamping jaw and the second clamping jaw are hinged to two arms of the V-shaped seat respectively, one end of the first driving oil cylinder is hinged to the pipe clamping arm, the other end of the first driving oil cylinder is hinged to one end of the first clamping jaw, one end of the second driving oil cylinder is hinged to the pipe clamping arm, and the other end of the second driving oil cylinder is hinged to one end of the second clamping jaw.

The utility model discloses following beneficial effect has: when the rod replacing device is used, the rotating arm is adjusted to a reasonable position through the rotation of the control motor, the pipe clamping arm is parallelly positioned above a drill rod to be clamped through the actions of the lifting oil cylinder, the telescopic oil cylinder, the swinging oil cylinder and the pipe clamping oil cylinder, then the actions of the first driving oil cylinder and the second driving oil cylinder are controlled, the automatic clamping of the drill rod is realized, the drill rod is moved to a position and a posture which are convenient to replace, and the automatic rod replacing operation is realized; thereby reducing the workload of workers and improving the working efficiency of rod replacement.

Drawings

Fig. 1 is a schematic structural view of a rod replacing device of the present invention;

fig. 2 is a schematic position diagram of the telescopic cylinder of the present invention;

FIG. 3 is a schematic structural view of the pipe clamping device of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

the notation in the figures means: 0-drill rod; 1-a drill pipe storage device; 2-a base; 3-a rotating arm; 4-a telescopic arm; 5-a swing shaft; 6-a swing arm; 7-a pinch arm; 8, a motor; 9-lifting the oil cylinder; 10-a telescopic oil cylinder; 11-a swing oil cylinder; 12-a pipe clamping oil cylinder; 13-V-shaped seat; 14-a first jaw; 15-a second jaw; 16-a first drive cylinder; 17-a second driving oil cylinder.

Detailed Description

The technical solution of the present invention will be further explained with reference to the following embodiments and accompanying drawings.

Example 1

The embodiment provides a rod replacing device which comprises a drill rod storage device 1, a base 2, a rotating arm 3, a telescopic arm 4, a swinging shaft 5, a swinging arm 6, a pipe clamping arm 7 and a pipe clamping device;

the drill rod storage device 1 stores drill rods 0, preferably, the drill rods 0 are placed along the length direction of the drill rod storage device 1, and a preset gap is reserved between the two drill rods 0, so that the drill rod 0 can be conveniently taken out by the rod replacing device.

Base 2 rotationally set up in drilling rod storage device 1's one end, in this embodiment, the vertical setting of pivot of base 2, be fixed with the worm wheel in the pivot, and make the worm wheel with the coaxial setting of pivot, still be fixed with motor 8 on the drilling rod storage device 1, be fixed with the worm on motor 8's the output shaft, the worm with the worm wheel cooperation.

One end of the rotating arm 3 is rotatably provided on the base 2, and the other end of the rotating arm 3 is formed with a guide hole in the axial direction thereof, preferably, the cross section of the guide hole is square.

For driving the rotation of the rotating arm 3, one end (cylinder body) of the lifting oil cylinder 9 is hinged on the base 2 through a first hinged shaft, and the other end (piston rod) is hinged on the rotating arm 3 through a second hinged shaft, so that the rotating arm 3 can rotate relative to the base 2 when the lifting oil cylinder 9 works.

One end of the telescopic arm 4 is inserted into the guide hole of the rotating arm 3, the cross section of the telescopic arm 4 is the same as that of the guide hole, the telescopic arm 4 is of a hollow structure, a telescopic oil cylinder 10 is arranged in the telescopic arm 4, the cylinder body of the telescopic oil cylinder 10 is hinged to the rotating arm 3 through a third hinged shaft, the piston rod of the telescopic oil cylinder 10 is hinged to the telescopic arm 4 through a fourth hinged shaft, and the third hinged shaft and the fourth hinged shaft are arranged in parallel.

The other end of the telescopic arm 4 is rotatably provided with a swing shaft 5, the swing shaft 5 is perpendicular to the telescopic arm 4, a swing arm 6 is fixed at the upper end of the swing shaft 5, one end of a swing oil cylinder 11 is hinged to the telescopic arm 4 through a fifth hinged shaft, the other end of the swing oil cylinder is hinged to the swing arm 6 through a sixth hinged shaft, and the fifth hinged shaft and the sixth hinged shaft are arranged in parallel.

The lower end of the swing shaft 5 is hinged with a pipe clamping arm 7, and pipe clamping devices are arranged at two ends of the pipe clamping arm 7, so that the drill rod 0 can be clamped and released through the pipe clamping devices.

Moreover, in order to realize the rotation of the pipe clamping arm 7 around the swing shaft 5, one end of the pipe clamping cylinder 12 is hinged to the pipe clamping arm 7 through a seventh hinge shaft, the other end of the pipe clamping cylinder 12 is hinged to the swing shaft 5 through an eighth hinge shaft, and the seventh hinge shaft and the eighth hinge shaft are arranged in parallel so as to drive the pipe clamping arm 7 to move when the pipe clamping cylinder 12 acts.

In this embodiment, the pipe clamping device includes a V-shaped seat 13, a first clamping jaw 14, a second clamping jaw 15, a first driving oil cylinder 16 and a second driving oil cylinder 17, and the opening of the V-shaped seat 13 is downward so as to be limited in the V-shaped seat 13 after the first clamping jaw 14 and the second clamping jaw 15 clamp the drill pipe 0.

The middle parts of the first clamping jaw 14 and the second clamping jaw 15 are respectively hinged on two arms of the V-shaped seat 13 through a ninth hinge shaft, one end of a first driving oil cylinder 16 is hinged on the pipe clamping arm 7 through a tenth hinge shaft, the other end of the first driving oil cylinder is hinged on one end of the first clamping jaw 14 through an eleventh hinge shaft, the tenth hinge shaft and the eleventh hinge shaft are arranged in parallel, similarly, one end of a second driving oil cylinder 17 is hinged on the pipe clamping arm 7 through a twelfth hinge shaft, the other end of the second driving oil cylinder is hinged on one end of the second clamping jaw 15 through a thirteenth hinge shaft, and the twelfth hinge shaft and the thirteenth hinge shaft are arranged in parallel.

When the rod replacing device is used, the rotating arm is adjusted to a reasonable position through the rotation of the control motor, the pipe clamping arm is parallelly positioned above a drill rod to be clamped through the actions of the lifting oil cylinder, the telescopic oil cylinder, the swinging oil cylinder and the pipe clamping oil cylinder, then the actions of the first driving oil cylinder and the second driving oil cylinder are controlled, the automatic clamping of the drill rod is realized, the drill rod is moved to a position and a posture which are convenient to replace, and the automatic rod replacing operation is realized; thereby reducing the workload of workers and improving the working efficiency of rod replacement.

The sequence of the above embodiments is only for convenience of description and does not represent the advantages and disadvantages of the embodiments.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (8)

1. A rod replacing device is characterized by comprising a drill rod storage device, a base, a rotating arm, a telescopic arm, a swinging shaft, a swinging arm, a pipe clamping arm and a pipe clamping device;

the base is rotatably arranged at one end of the drill rod storage device;

one end of the rotating arm is rotatably arranged on the base, and a guide hole is formed in the other end of the rotating arm along the axis direction of the rotating arm;

one end of the telescopic arm is inserted into a guide hole of the rotating arm, and the cross section of the telescopic arm is the same as that of the guide hole;

a swing shaft is rotatably arranged at the other end of the telescopic arm and is perpendicular to the telescopic arm, a swing arm is fixed at the upper end of the swing shaft, one end of a swing oil cylinder is hinged to the telescopic arm, and the other end of the swing oil cylinder is hinged to the swing arm;

the lower extreme of swing axle articulates there is the pipe clamping arm, the both ends of pipe clamping arm all are provided with the pipe clamping device.

2. The rod changing device according to claim 1, wherein a drill rod is stored in the drill rod storage device, the drill rod is arranged along the length direction of the drill rod storage device, and a preset gap is left between the two drill rods.

3. The rod changing device as claimed in claim 1, wherein a rotating shaft of the base is vertically arranged, a worm gear is fixed on the rotating shaft, a motor is further fixed on the drill rod storage device, a worm is fixed on an output shaft of the motor, and the worm is matched with the worm gear.

4. The rod changing device as claimed in claim 1, wherein the guide hole has a square cross-section.

5. The rod changing device as claimed in claim 1, further comprising a lift cylinder, wherein one end of the lift cylinder is hinged to the base and the other end of the lift cylinder is hinged to the rotating arm.

6. The rod changing device according to claim 1, wherein the telescopic boom is of a hollow structure, telescopic oil cylinders are arranged in the telescopic boom and the rotating boom, cylinder bodies of the telescopic oil cylinders are hinged to the rotating boom, and piston rods of the telescopic oil cylinders are hinged to the telescopic boom.

7. The rod changing device according to claim 1, further comprising a pipe clamping cylinder, wherein one end of the pipe clamping cylinder is hinged to the pipe clamping arm, and the other end of the pipe clamping cylinder is hinged to the swing shaft.

8. The rod changing device according to claim 1, wherein the tube clamping device comprises a V-shaped seat, a first clamping jaw, a second clamping jaw, a first driving oil cylinder and a second driving oil cylinder;

the opening of the V-shaped seat faces downwards; the middle parts of the first clamping jaw and the second clamping jaw are hinged to two arms of the V-shaped seat respectively, one end of the first driving oil cylinder is hinged to the pipe clamping arm, the other end of the first driving oil cylinder is hinged to one end of the first clamping jaw, one end of the second driving oil cylinder is hinged to the pipe clamping arm, and the other end of the second driving oil cylinder is hinged to one end of the second clamping jaw.

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