Cantilever lifting mechanism of rotary drilling rig

Abstract

The utility model discloses a rotary drilling rig cantilever lifting mechanism which comprises a gantry installation frame, a plurality of lifting movable rods are arranged on the top of the gantry installation frame in a penetrating mode, and the bottom of each lifting movable rod is fixedly connected with a lifting long strip. The driving air cylinder is started, the piston end of the driving air cylinder drives the U-shaped base to ascend, the U-shaped base drives the movable roller to ascend, the movable roller is exposed out of the movable groove slightly, then the cantilever is inserted from one containing block on one side, the cantilever enters the through groove of the first containing block, the cantilever is located on the movable roller, and by means of the action of the movable roller, the movable roller can move upwards. A worker pushes the cantilever into all the containing blocks, during discharging, the driving air cylinder is started, the piston end of the driving air cylinder drives the U-shaped base to descend, the cantilever descends to be separated from the inner top of the penetrating groove, therefore, the cantilever is conveniently pushed down from the multiple containing blocks, the whole lifting mechanism facilitates feeding and discharging, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary drilling rig production, in particular to a cantilever lifting mechanism of a rotary drilling rig. Background Art

[0002] The rotary drilling rig generally adopts hydraulic crawler telescopic chassis, self-lifting and folding drill mast, telescopic drill rod, automatic verticality detection and adjustment, digital display of hole depth, etc. The whole machine operation generally adopts hydraulic pilot control and load sensing, which is easy and comfortable to operate. The main and auxiliary winches can be applied to various situations on the construction site.

[0003] The rotary drilling rig is composed of many parts, among which the cantilever is an important part. During the processing of the rotary drilling rig cantilever, a lifting mechanism is required to lift the cantilever. However, the traditional lifting mechanism is not convenient for loading and unloading operations on the cantilever, and it is not convenient for the staff to operate, and there are certain limitations. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a cantilever lifting mechanism for a rotary drilling rig.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a cantilever lifting mechanism of a rotary drilling rig, including a gantry mounting frame, a plurality of lifting movable rods are arranged through the top of the gantry mounting frame, the bottom of each of the lifting movable rods is fixedly connected with a lifting strip, the upper surface of the lifting strip is fixedly connected with a movable rack, a power component for driving the movable rack to lift is installed on the top of the gantry mounting frame, a plurality of fixed shafts are fixedly connected to the lower surface of the lifting strip, a placement block is fixedly connected to the bottom end of the fixed shaft, a through groove is arranged through the side wall of the placement block, a movable groove connected to the through groove is arranged at the bottom of the placement block, and a lifting component is arranged inside the movable groove.

[0006] As a further description of the above technical solution:

[0007] The lifting assembly comprises a U-shaped seat slidably connected inside the movable groove, the interior of the U-shaped seat is rotatably connected with a movable roller, and a driving assembly for driving the U-shaped seat to rise and fall is installed at the bottom of the placement block.

[0008] As a further description of the above technical solution:

[0009] The driving assembly comprises a connecting plate fixedly connected to the bottom of the placing block, a driving cylinder is fixedly connected to the lower surface of the connecting plate, and a piston end of the driving cylinder is fixedly connected to the lower surface of the U-shaped seat.

[0010] As a further description of the above technical solution:

[0011] Sliding blocks are fixedly connected to both sides of the U-shaped seat, and sliding grooves are opened on the inner walls of both sides of the movable groove. The sliding blocks are slidably connected inside the corresponding sliding grooves.

[0012] As a further description of the above technical solution:

[0013] The power assembly comprises a servo motor fixedly connected to the top of the gantry mounting frame, the output shaft of the servo motor is fixedly connected to a rotating gear, and the rotating gear is meshed with a corresponding movable rack.

[0014] As a further description of the above technical solution:

[0015] The plurality of movable racks all penetrate the top of the gantry mounting frame, the top of the gantry mounting frame is provided with a through opening matched with the movable racks, and the top of the gantry mounting frame is provided with a plurality of through holes matched with the lifting movable rods.

[0016] The utility model has the following beneficial effects:

[0017] 1. Compared with the prior art, the cantilever lifting mechanism of the rotary drilling rig starts the driving cylinder, and the piston end of the driving cylinder brings the U-shaped seat up, so that the U-shaped seat brings the movable roller up, allowing the movable roller to expose a little bit of the movable groove, and then the cantilever is inserted from a placement block on one side, and the cantilever enters the through groove of the first placement block. The cantilever is on the movable roller, and with the help of the movable roller, the staff pushes the cantilever into all the placement blocks. When unloading, the driving cylinder is started, and the piston end of the driving cylinder brings the U-shaped seat down, so that the cantilever is lowered to be separated from the inner top of the through groove, thereby facilitating the cantilever to be pushed down from multiple placement blocks. The entire lifting mechanism is convenient for loading and unloading, saving time and effort.

[0018] 2. Compared with the prior art, the cantilever lifting mechanism of the rotary drilling rig starts the driving cylinder, and the piston end of the driving cylinder rises with the U-shaped seat, so that the cantilever rises to fit tightly with the inner top of the through-groove, making the cantilever not easy to loosen and increasing stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A three-dimensional diagram of a cantilever lifting mechanism of a rotary drilling rig proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of a placement block of a cantilever lifting mechanism of a rotary drilling rig proposed by the utility model;

[0021] Figure 3 The utility model is a schematic diagram of a U-shaped seat of a cantilever lifting mechanism of a rotary drilling rig.

[0022] Legend:

[0023] 1. Gantry mounting frame; 2. Lifting movable rod; 3. Lifting strip; 4. Movable rack; 5. Servo motor; 6. Rotating gear; 7. Fixed shaft; 8. Placement block; 9. Through slot; 10. Movable slot; 11. U-shaped seat; 12. Sliding slot; 13. Movable roller; 14. Connecting plate; 15. Driving cylinder; 16. Sliding block. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Reference Figures 1 to 3 The utility model provides a cantilever lifting mechanism of a rotary drilling rig: it includes a gantry mounting frame 1, a plurality of lifting movable rods 2 are arranged on the top of the gantry mounting frame 1, a lifting strip 3 is fixedly connected to the bottom of each lifting movable rod 2, a movable rack 4 is fixedly connected to the upper surface of the lifting strip 3, a power assembly for driving the movable rack 4 to lift is installed on the top of the gantry mounting frame 1, the power assembly includes a servo motor 5 fixedly connected to the top of the gantry mounting frame 1, the output shaft of the servo motor 5 is fixedly connected to a rotating gear 6, the rotating gear 6 is meshed with the corresponding movable rack 4, a plurality of movable racks 4 all penetrate the top of the gantry mounting frame 1, a through opening adapted to the movable rack 4 is opened on the top of the gantry mounting frame 1, a plurality of through holes adapted to the lifting movable rod 2 are opened on the top of the gantry mounting frame 1, the servo motor 5 is started, the output shaft of the servo motor 5 rotates with the rotating gear 6, the rotating gear 6 can lift with the corresponding movable rack 4, thereby lifting with the lifting strip 3;

[0026] The lower surface of the lifting strip 3 is fixedly connected with a plurality of fixed shafts 7, and the bottom end of the fixed shaft 7 is fixedly connected with a placement block 8. The side wall of the placement block 8 is penetrated by a through groove 9, and the bottom of the placement block 8 is provided with a movable groove 10 connected with the through groove 9. In order to achieve the purpose of the U-shaped seat 11 being able to lift and lower, a lifting component is arranged inside the movable groove 10, and the lifting component includes a U-shaped seat 11 slidably connected to the inside of the movable groove 10, and the inside of the U-shaped seat 11 is rotatably connected with a movable roller 13, and a driving component for driving the U-shaped seat 11 to lift and lower is installed at the bottom of the placement block 8, and the driving component includes a connecting plate 14 fixedly connected to the bottom of the placement block 8, and the lower surface of the connecting plate 14 is fixedly connected with a driving cylinder 15, and the piston end of the driving cylinder 15 is fixedly connected to the lower surface of the U-shaped seat 11, and sliding blocks 16 are fixedly connected on both sides of the U-shaped seat 11, and sliding grooves 12 are provided on the inner walls on both sides of the movable groove 10, and the sliding blocks 16 are slidably connected to the corresponding sliding grooves 12, thereby increasing the stability of the U-shaped seat 11 when lifting and lowering.

[0027] Working principle:

[0028] When in use, the cantilever to be processed is placed inside the multiple placement blocks 8 under the same lifting strip 3. When placing, the driving cylinder 15 is started first, and the piston end of the driving cylinder 15 brings the U-shaped seat 11 to rise, so that the U-shaped seat 11 brings the movable roller 13 to rise, so that the movable roller 13 exposes the movable groove 10 a little bit, and then the cantilever is inserted from a placement block 8 on one side, and the cantilever enters the through groove 9 of the first placement block 8. The cantilever is on the movable roller 13. With the help of the movable roller 13, the staff pushes the cantilever into all the placement blocks 8. After the cantilever is placed, the driving cylinder 15 is started again, and the piston end of the driving cylinder 15 brings the U-shaped seat 11 to rise, so that the cantilever rises to be tightly attached to the inner top of the through groove 9, so that the cantilever is not easy to loosen, which increases stability. When unloading, the driving cylinder 15 is started, and the piston end of the driving cylinder 15 brings the U-shaped seat 11 to descend, so that the cantilever descends to be separated from the inner top of the through groove 9, thereby facilitating the cantilever to be pushed down from multiple placement blocks 8;

[0029] Start the servo motor 5, the output shaft of the servo motor 5 rotates with the rotating gear 6, and the rotating gear 6 can lift and lower the corresponding movable rack 4, thereby lifting and lowering the lifting strip 3, so that the cantilever can be lifted and lowered to adjust the height of the cantilever.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A cantilever lifting mechanism for a rotary drilling rig, comprising a gantry mounting frame (1), characterized in that: A plurality of lifting movable rods (2) are provided through the top of the gantry mounting frame (1), and a lifting strip (3) is fixedly connected to the bottom of each lifting movable rod (2), and a movable rack (4) is fixedly connected to the upper surface of the lifting strip (3). A power component for driving the movable rack (4) to lift is installed on the top of the gantry mounting frame (1), and a plurality of fixed shafts (7) are fixedly connected to the lower surface of the lifting strip (3), and a placement block (8) is fixedly connected to the bottom end of the fixed shaft (7), and a through groove (9) is provided through the side wall of the placement block (8), and a movable groove (10) connected to the through groove (9) is provided at the bottom of the placement block (8), and a lifting component is provided inside the movable groove (10).

2. The cantilever lifting mechanism of a rotary drilling rig according to claim 1, characterized in that: The lifting assembly comprises a U-shaped seat (11) slidably connected to the inside of the movable groove (10), the inside of the U-shaped seat (11) is rotatably connected to a movable roller (13), and a driving assembly for driving the U-shaped seat (11) to rise and fall is installed at the bottom of the placement block (8).

3. The cantilever lifting mechanism of a rotary drilling rig according to claim 2, characterized in that: The driving assembly comprises a connecting plate (14) fixedly connected to the bottom of the placement block (8), a driving cylinder (15) fixedly connected to the lower surface of the connecting plate (14), and a piston end of the driving cylinder (15) fixedly connected to the lower surface of the U-shaped seat (11).

4. The cantilever lifting mechanism of a rotary drilling rig according to claim 2, characterized in that: Sliding blocks (16) are fixedly connected to both sides of the U-shaped seat (11), and sliding grooves (12) are provided on both inner walls of the movable groove (10), and the sliding blocks (16) are slidably connected inside the corresponding sliding grooves (12).

5. The cantilever lifting mechanism of a rotary drilling rig according to claim 1, characterized in that: The power assembly comprises a servo motor (5) fixedly connected to the top of the gantry mounting frame (1), the output shaft of the servo motor (5) being fixedly connected to a rotating gear (6), and the rotating gear (6) being meshed with a corresponding movable rack (4).

6. The cantilever lifting mechanism of a rotary drilling rig according to claim 1, characterized in that: The plurality of movable racks (4) all penetrate the top of the gantry mounting frame (1), the top of the gantry mounting frame (1) is provided with a through opening adapted to the movable racks (4), and the top of the gantry mounting frame (1) is provided with a plurality of through holes adapted to the lifting movable rods (2).

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