CN106050168A - Automatic moving and swaying device for geologic drilling drill pipe - Google Patents

Abstract

The invention discloses an automatic swinging device for geological drilling drill rods, which includes a mast, a sliding platform, a lifting drive mechanism, a rotating mechanism and a drill rod grabbing mechanism; the mast is provided with a guide rail along the mast axis; the The sliding platform is installed on the guide rail and can move along the guide rail; the lifting drive mechanism is drivingly connected with the sliding platform; one end of the rotating mechanism is installed on the sliding platform, and the drill pipe grabbing mechanism is installed on the The other end of the rotating mechanism. The beneficial effects of the present invention are: through the sliding platform, the lifting drive mechanism, the rotating mechanism and the drill pipe grasping mechanism, the drill pipe can be rotated in all directions and moved up and down along the mast, so as to realize the automation of the tripping process and save human resources; The drive mode is easier to solve the energy supply problem in field operations, and can adapt to harsher environments, and the structure is simple and easy to maintain.

Description

Automatic shifting device for geological drilling drill pipe

technical field

The invention belongs to the field of geological drilling, in particular to an automatic swinging device for geological drilling drill rods.

Background technique

The main method of deep exploration is deep core drilling. Deep drilling has the characteristics of high technical difficulty, high labor intensity, high cost, high risk, large drill pipe specifications, and many trips and trips. During the drilling process, a large amount of drill pipes need to be moved from the rack to the wellhead, and after the operation, the drill pipes need to be moved back to the drill pipe rack from the wellhead. There are many disadvantages in the traditional operation method of manually moving the drill pipe. First of all, since the drill pipes for deep drilling can reach a length of 9 meters, a maximum weight of 300 kilograms, and the number can easily reach 200 or 300, the labor intensity is very high to complete the transportation of such a heavy and large number of drill pipes . In addition, the work of moving drill pipes has high requirements on the quality of workers, which requires not only a strong physique, but also skilled technology, which increases labor costs and increases the cost of drilling work. Finally, workers are in direct contact with the drill pipe, and a little carelessness may cause a safety accident. According to data provided by the Drilling Association, 30-52% of drilling accidents occur during tripping and tripping, which seriously affects the cycle of drilling operations and increases the risk and cost of drilling. In order to solve the technical problems of deep core drilling, such as low drilling efficiency, high labor intensity and poor safety, and to improve the technical level of geological drilling equipment in my country, it is urgent to develop an automatic swinging device for geological drilling drill pipe.

In view of this, the present invention is proposed.

Contents of the invention

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and provide a geological drilling drill pipe conveying device, which realizes automatic grasping and swinging, and liberates manpower.

In order to solve the problems of the technologies described above, the present invention adopts the basic idea of technical solution to be:

An automatic swinging device for geological drilling drill rods, including a mast, a sliding platform, a lifting drive mechanism, a rotating mechanism and a drill rod grabbing mechanism;

The mast is provided with a guide rail along the mast axis; the sliding platform is installed on the guide rail and can move along the guide rail;

The lifting drive mechanism is drivingly connected to the sliding platform;

One end of the rotating mechanism is installed on the sliding platform, and the drill pipe grabbing mechanism is installed at the other end of the rotating mechanism.

In the above-mentioned automatic swinging device for geological drilling drill rods, the rotation mechanism includes a horizontal rotation mechanism and a vertical rotation mechanism;

One end of the horizontal rotating mechanism is pivotally connected to the sliding platform, and the other end is relatively fixed to one end of the vertical rotating mechanism, and a drilling rod grabbing mechanism is installed on the other end of the vertical rotating mechanism.

In the above-mentioned automatic swinging device for geological drilling drill rods, the horizontal rotation mechanism includes a geared motor, an upper static support ear, a lower static support ear and a rotating shaft; the upper static support ear and the lower static support ear are fixedly installed on the sliding platform Up and up and down; the rotation shaft passes through the upper static support ear and the lower static support ear; the rotation shaft can be driven by the geared motor relative to the upper static support ear and the lower static support ear Rotate around the axis of the rotating shaft; the rotating shaft is fixedly connected with the vertical rotating mechanism.

In the above-mentioned automatic swinging device for geological drilling drill rods, the vertical rotation mechanism includes a moving support ear, a rotating arm frame, a rotating shaft and a driving motor;

The movable support ear is fixedly installed on the rotating arm frame body and fixedly connected with the rotating shaft of the horizontal rotating mechanism;

The rotating shaft is installed on the rotating arm frame and can rotate around the axis of the rotating shaft and the axis of the rotating shaft is horizontal; the driving motor is drivingly connected to the rotating shaft; the drill pipe grabbing mechanism is connected to the The rotating shaft is relatively fixed.

The above-mentioned automatic swinging device for geological drilling drill rods, the vertical rotation mechanism also includes a bearing seat and a worm gear reducer; the drive motor is driven and connected to the rotating shaft through the worm gear reducer; the bearing seat is installed on On the rotating arm frame body, the rotating shaft is installed on the bearing seat.

The above-mentioned automatic swinging device for geological drilling drill rods, the lifting drive mechanism includes a lifting motor, a driving support frame and a linear guide rail arranged on the mast along the axial direction of the mast; the sliding platform is relatively fixed to the driving support frame and It can slide along the linear guide rail; the mast is provided with a rack, the driving support frame is provided with a gear meshed with the rack, and the lifting motor is drivingly connected with the gear.

In the above-mentioned automatic swinging device for geological drilling drill rods, sliding platform pressure plates are provided on both side edges of the sliding platform, and the linear guide rail is stuck in the gap formed between the sliding platform and the sliding platform pressure plate.

In the above-mentioned automatic shifting device for geological drilling drill rods, the mast is a truss structure, and the cross-section of the mast is "U"-shaped.

In the above-mentioned automatic swinging device for drilling rods for geological drilling, the cross-sections of the dynamic support lug and the static support lug are both in a "T" shape.

The above-mentioned geological drilling drill pipe automatic swinging device, the drill pipe grasping mechanism includes a drive motor, a drill pipe grasping mechanism support and a mechanical claw; the mechanical claw is arranged on the drill pipe grasping mechanism support; the drill pipe grasping The mechanism bracket is installed on the rotating device.

After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art:

1. Through the sliding platform, lifting drive mechanism, rotating mechanism and drill pipe grabbing mechanism, the drill pipe can be rotated in all directions and moved up and down along the mast, so as to realize the automation of the tripping process and save human resources;

2. With the all-electric drive mode, it is easier to solve the energy supply problem in field operations, and can adapt to harsh environments, and has a simple structure and is easy to maintain;

3. It only takes 50 seconds to complete a drilling and drilling operation, which improves the efficiency of core drilling operations, ensures the safety of workers and reduces drilling costs;

4. In the design of each mechanism, its own self-locking property is considered. When an accident occurs, the safety and reliability of the device can be guaranteed through its own mechanical self-locking property;

5. The mast adopts truss structure and "U" shape design, which greatly reduces the weight of the mast and increases the stability and bearing capacity of the mast;

6. The maximum length and weight of the drill pipe moved by the device can be adjusted at any time according to the demand, and the modular design is adopted to facilitate the handling and assembly in the field.

Description of drawings

Fig. 1 is a structural schematic diagram of the automatic swinging device for geological drilling drill rods of the present invention.

Fig. 2 is a structural schematic diagram of the mast of the present invention.

FIG. 3 is a cross-sectional view along AA direction in FIG. 2 .

Fig. 4 is a structural schematic diagram of the horizontal rotation mechanism of the present invention.

FIG. 5 is a cross-sectional view along AA direction in FIG. 4 .

Fig. 6 is a schematic structural view of the vertical rotation mechanism of the present invention.

FIG. 7 is a sectional view along AA direction in FIG. 6 .

In the above drawings, 1. mast; 2. sliding platform; 3. lifting drive mechanism; 4. horizontal rotation mechanism; 6. rotating arm; 7. vertical rotation mechanism; 8. drill pipe grabbing mechanism; 102, driving support frame; 104, sliding platform pressure plate; 105, lifting motor; 106, worm gear reducer; 107, gear; 501, reduction motor; 502, upper static support ear; 503, rotating shaft; Ear; 602, rotating arm frame body; 603, driving motor; 604, worm gear reducer; 605, bearing seat; 606, rotating shaft.

detailed description

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, so as to help understand the content of the present invention.

Referring to Fig. 1 to Fig. 7, the present invention provides a geological drilling drill rod automatic swinging device, including a mast 1, a sliding platform 2, a lifting drive mechanism 3, a rotating mechanism and a drill rod grabbing mechanism 8; A guide rail along the axial direction of the mast 1 is provided; the sliding platform 2 is mounted on the guide rail and can move along the guide rail; the lifting drive mechanism 3 is drivingly connected to the sliding platform 2; one end of the rotating mechanism is installed on On the sliding platform 2, the drill rod grabbing mechanism 8 is installed at the other end of the rotating mechanism. The mast 1 is a truss structure, and the cross section of the mast 1 is "U"-shaped. The truss structure and the "U" shape design are conducive to increasing the rigidity of the mast 1, which is not easy to deform during work, and increases the load-bearing capacity. The base of the mast 1 is fixed on the ground by the anchor bolts, and a supporting rod is added to ensure the stability of the system during operation.

The lifting drive mechanism 3 includes a lifting motor 105, a driving support frame 102 and a linear guide rail 101 arranged axially on the mast 1 along the mast 1; the sliding platform 2 is relatively fixed to the driving support frame 102 and can be The linear guide rail 101 slides; the mast 1 is provided with a rack, the driving support frame 102 is provided with a gear 107 meshing with the rack, and the lifting motor 105 is drivingly connected to the gear 107 . The rigid contact surfaces of the driving support frame 102 are equipped with wear plates. The rack is installed on the mast 1, and the gear 107 meshes with the rack through the worm gear reducer 106. The position of the rack remains unchanged during the movement. The lifting motor 105 drives the reducer to rotate and then drives the gear 107 to rotate, converting the rotation of the gear 107 For linear motion along the mast 1 direction, because the gear 107 is installed on the reducer shaft, and the reducer is installed on the drive support frame 102 integral with the sliding platform 2, then the sliding platform 2 moves up and down with the gear 107 and feeds up and down. The rack is mounted on the rack mount and can be replaced if worn. In order to reduce the friction between the sliding platform 2 and the linear guide rail 101, the contact surfaces of the two are lined with polytetrafluoroethylene plates. The two side edges of the sliding platform 2 are provided with a sliding platform pressing plate 104, and the sliding platform 2 and the sliding platform pressing plate 104 are connected by screws; the linear guide 101 is stuck in the gap formed between the sliding platform 2 and the sliding platform pressing plate 104 middle. Lifting motor 105 drives gear 107 to rotate after being decelerated by worm gear reducer 106 to realize lifting. Utilize the self-locking of the worm gear reducer 106 and the power-off braking function of the lifting motor 105 to ensure timely power-off, and the sliding platform 2 safely docks on the mast 1 to ensure safe operation.

The rotating mechanism comprises a horizontal rotating mechanism 4 and a vertical rotating mechanism 7; one end of the horizontal rotating mechanism 4 is pivotally connected to the sliding platform 2, and the other end is relatively fixed to one end of the vertical rotating mechanism 7, and the The other end of the upright rotary mechanism 7 is equipped with a drill rod grabbing mechanism 8 .

The horizontal rotation mechanism 4 includes a geared motor 501, an upper static support ear 502, a lower static support ear 504 and a rotating shaft 503; the upper static support ear 502 and the lower static support ear 504 are fixedly mounted on the sliding platform 2 by screws and Opposed up and down; the reduction motor 501 is installed on the upper static support ear 502, and the rotating shaft 503 passes through the upper static support ear 502 through the deep groove ball bearing in the upper static support ear 502 and the reasoning ball bearing of the lower static support ear 504 and the lower static support ear 504; the rotating shaft 503 can rotate around the axis of the rotating shaft 503 relative to the upper static supporting ear 502 and the lower static supporting ear 504 driven by the geared motor 501; the rotating shaft 503 is fixedly connected with the vertical rotation mechanism 7 . The output shaft of the reduction motor 501 is directly inserted into the rotating shaft 503, and the torque and motion are transmitted through the key. The rotating shaft 503 drives the movable support ear installed on the rotating arm 6 to rotate through the key, and then drives the rotating arm 6 to rotate in the space. Ability to move drill pipe from the drill pipe rack to the wellhead. The in-line installation form simplifies the structure, and the parallel and staggered installation of the support ears can make the structure bear greater bending moment and load and reduce the deformation of the mechanism.

The upright rotation mechanism 7 includes a dynamic support ear, a rotating arm frame body 602, a rotating shaft 606 and a drive motor 603; the rotating arm frame body 602 is welded by steel plates, and a certain space is reserved inside for installing other parts, and the movable support ear is installed On one side of the rotating arm 6, the other side is used to install the drill pipe grabbing mechanism 8. To facilitate the disassembly of internal parts, the side of the rotating arm frame body 602 is provided with a cover plate. The driving motor 603 drives the rotating shaft 606 after being decelerated by the worm gear reducer 604. The end of the rotating shaft 606 is equipped with a flange, and the drill pipe grabbing mechanism 8 is installed on the flange. When the rotating shaft 606 rotates, the flange and the drilling rod Grabbing mechanism 8 rotates simultaneously, and drill rod is turned into erect by horizontal rotation in space. The plate structure can reduce processing errors, the triangular overall structure increases the strength and stability of the mechanism, and the internal installation space reduces the overall volume of the device. The movable support ear is fixedly installed on the rotating arm frame body 602 and fixedly connected with the rotating shaft 503 of the horizontal rotation mechanism 4; the rotating shaft 606 is installed on the rotating arm frame body 602 and can rotate around The axis of the shaft 606 rotates and the axis of the rotating shaft 606 is horizontal; the driving motor 603 is drivingly connected to the rotating shaft 606 ; the drill rod grabbing mechanism 8 is relatively fixed to the rotating shaft 606 . The vertical rotation mechanism 7 also includes a bearing seat 605 and a worm gear reducer 604; the driving motor 603 is driven and connected with the rotating shaft 606 through the worm gear reducer 604; the bearing seat 605 is mounted on the rotating arm frame On the body 602, the rotating shaft 606 is installed on the bearing seat 605. The worm gear reducer 604 is self-locking, which can ensure the stability of the drill rod after the rotation is completed.

The drill rod grabbing mechanism 8 includes a drive motor, a drill rod grabbing mechanism bracket and a mechanical claw; the mechanical claw is arranged on the drill rod grabbing mechanism bracket; the drill rod grabbing mechanism bracket is installed on the rotating device superior.

In the above embodiment, the cross-sections of the dynamic support lug and the static support lug are both "T" shaped. Ribs are added to the non-interfering surfaces of the support ears to form a T-shaped structure, which is beneficial to ensure the strength of the support ears, is not easily deformed during work, increases the accuracy of movement, and reduces friction during work.

Through the cooperation of the above-mentioned components, the geological drilling drill pipe automatic swinging device of the present invention can make the drill pipe grasped from the drill pipe rack to perform several movements such as erection, lifting and rotation to the wellhead, etc., to complete the automatic swinging of the drill pipe. task.

In the above-mentioned embodiment, the length of the drilling rod that can be shifted by this geological drilling drill pipe automatic swinging device is as long as 9m, which can be changed by changing the grabbing position of the drill rod and increasing the height of the mast 1 to be suitable for grabbing and holding the drill. The length of the rod. The load weight that can be moved is as high as 300Kg, and the maximum load capacity can be increased by adding a counterweight.

The beneficial effects of this embodiment are as follows: first, the all-electric drive mode is adopted, the energy supply problem is easier to solve in field operations, and it can adapt to relatively harsh environments, and the structure is simple and easy to maintain; second, the drill pipe can be moved openly It only takes 50 seconds to complete a tripping and tripping operation, which improves the efficiency of core drilling operations, ensures the safety of workers, and reduces drilling costs; , the safety and reliability of the device can be guaranteed through its own mechanical self-locking; fourth, the mast 1 adopts a truss structure and a "U" shape design, which greatly reduces the weight of the mast 1 and increases the stability and bearing capacity of the mast 1 ; Fifth, considering different application conditions in advance, the maximum length and weight of the drill pipe moved by the device can be adjusted at any time according to the needs, and the modular design is adopted to facilitate field handling and assembly.

The main function of the lifting drive mechanism 3 is to complete the reciprocating lifting of the drill pipe placed horizontally on the discharge rack to the position of the power head; the main function of the horizontal rotation mechanism 4 is to realize the reciprocating swing of the drill pipe from the position of the discharge rack to the wellhead position; The upright rotating mechanism 7 has a main function to complete the reciprocating rotation of the drilling rod from a horizontal state to a vertical state. Through the above three mechanisms, the action procedures such as grabbing, swinging, rotating and lifting required for the drill pipe swinging work are completed.

The above is only a preferred embodiment of the present invention, it should be pointed out that, for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications can also be made. It should be regarded as the protection scope of the present invention.

Claims (10)

1. A geological drilling drill rod automatic swing device, characterized in that it comprises a mast, a sliding platform, a lifting drive mechanism, a rotating mechanism and a drill rod grabbing mechanism; The mast is provided with a guide rail along the mast axis; the sliding platform is installed on the guide rail and can move along the guide rail; The lifting drive mechanism is drivingly connected to the sliding platform; One end of the rotating mechanism is installed on the sliding platform, and the drill pipe grabbing mechanism is installed at the other end of the rotating mechanism. 2. The drilling rod automatic swinging device for geological drilling according to claim 1, wherein the rotating mechanism comprises a horizontal rotating mechanism and a vertical rotating mechanism; One end of the horizontal rotating mechanism is pivotally connected to the sliding platform, and the other end is relatively fixed to one end of the vertical rotating mechanism, and a drilling rod grabbing mechanism is installed on the other end of the vertical rotating mechanism. 3. The drilling rod automatic swinging device for geological drilling according to claim 2, wherein the horizontal rotation mechanism comprises a geared motor, an upper static support lug, a lower static support lug and a rotating shaft; the upper static support lug and the lower static support ear are fixedly installed on the sliding platform and face up and down; the rotation shaft passes through the upper static support ear and the lower static support ear; the rotation shaft can be driven by the reduction motor The upper static support lug and the lower static support lug rotate around the axis of the rotation shaft; the rotation shaft is fixedly connected with the vertical rotation mechanism. 4. The drilling rod automatic swinging device for geological drilling according to claim 3, wherein the vertical rotation mechanism comprises a moving support ear, a rotating arm frame, a rotating shaft and a driving motor; The movable support ear is fixedly installed on the rotating arm frame body and fixedly connected with the rotating shaft of the horizontal rotating mechanism; The rotating shaft is installed on the rotating arm frame and can rotate around the axis of the rotating shaft and the axis of the rotating shaft is horizontal; the driving motor is drivingly connected to the rotating shaft; the drill pipe grabbing mechanism is connected to the The rotating shaft is relatively fixed. 5. The drilling rod automatic swinging device for geological drilling according to claim 4, wherein the vertical rotation mechanism further comprises a bearing seat and a worm reducer; the drive motor communicates with the worm reducer through the worm reducer. The rotating shaft is driven and connected; the bearing seat is installed on the rotating arm frame body, and the rotating shaft is installed on the bearing seat. 6. The drilling rod automatic swinging device for geological drilling according to claim 1, wherein the lifting drive mechanism comprises a lifting motor, a driving support frame and a linear guide rail arranged on the mast along the axial direction of the mast; The sliding platform is relatively fixed to the driving support frame and can slide along the linear guide rail; the mast is provided with a rack, the driving support frame is provided with a gear meshing with the rack, and the lifting motor and the gear drive connection described above. 7. The drilling rod automatic swinging device for geological drilling according to claim 6, characterized in that, sliding platform pressure plates are provided on both side edges of the sliding platform, and the linear guide rail is clamped between the sliding platform and the sliding platform. In the gap formed by the platform platen. 8 . The drilling rod automatic swinging device for geological drilling according to claim 1 , wherein the mast is a truss structure, and the cross section of the mast is U-shaped. 9. The drilling rod automatic swinging device for geological drilling according to claim 4, characterized in that the cross-sections of the dynamic support lug and the static support lug are both in a "T" shape. 10. The drilling rod automatic swinging device for geological drilling according to claim 1, wherein the drill rod grabbing mechanism includes a drive motor, a drill rod grabbing mechanism bracket and a mechanical claw; the mechanical claw is arranged on the drill rod The rod grabbing mechanism bracket; the drilling rod grabbing mechanism bracket is installed on the rotating mechanism.