CN220791127U - Anti-sticking bores mechanism for drill jumbo - Google Patents

Abstract

The utility model discloses an anti-sticking drill mechanism for a drilling jumbo, which belongs to the technical field of drilling jumbo and comprises a mounting plate, wherein a spring is fixedly arranged at the bottom of the mounting plate, a transverse plate is fixedly arranged at the bottom of the spring, a motor and two fixing plates are fixedly arranged at the bottom of the transverse plate, a first bevel gear is fixedly arranged on an output shaft of the motor, a rotating shaft is rotatably arranged on the fixing plates, eccentric wheels are fixedly arranged on one sides, away from each other, of the two rotating shafts, two sliding blocks are fixedly arranged at the bottom of the mounting plate, sliding plates are fixedly arranged on the sliding blocks, and an outer ring of each eccentric wheel is movably abutted against the sliding plates. According to the utility model, the drill bit has corresponding impact force through the cooperation of the eccentric wheel and the sliding plate, so that the drill bit can be effectively prevented from being blocked during drilling, and then the large rock behind the drill bit is crushed through the crushing teeth, so that the drill bit can be prevented from being blocked by the large rock behind during taking out.

Description

Anti-sticking bores mechanism for drill jumbo

Technical Field

The utility model relates to the technical field of drilling trolleys, in particular to a drilling sticking prevention mechanism for a drilling trolley.

Background

The drill bit is an important tool for anchoring foundation walls and tunnel walls in pile foundation construction, and is mainly used for cutting and breaking rocks in the pile foundation anchoring construction process. However, when the drill bit is used for drilling into a bedrock layer, the drill bit is intermittently stuck when the rock layer is broken due to the blocking of the anchor Kong Chuzha or the hardness of stratum rock below, so that torsional elastic energy cannot be released, the rock breaking process of the drill bit is unstable, the cutting hard alloy cutter particles can be directly damaged, and the service lives of the drill bit and a lower drilling tool are reduced.

Patent document with publication number CN108756760B discloses a drill bit for a rock drill, which comprises a bit body, the drill bit body comprises head and afterbody, the top outer fringe of head is formed with outer annular, outer annular is the anchor ring of inwards sloping, be formed with the concave part in the top of head to be formed with the inner ring face for outer anchor ring, outer anchor ring is inwards sloping surface, inner anchor ring is outwards sloping surface, the interval is equipped with a plurality of outer alloy teeth on the outer anchor ring, the interval is equipped with a plurality of inner alloy teeth on the inner anchor ring, outer alloy tooth outwards inclines, inner alloy tooth inwards inclines to set up, concave part central authorities still detachable is provided with the drill point.

According to the technical scheme, the drill bit cannot avoid blocking in the use process, so that blocking is removed by using other tools after construction is stopped, the purpose of blocking removal is achieved, and convenience of construction is seriously affected. We therefore propose an anti-seize mechanism for a drill rig to address this problem.

Disclosure of Invention

The utility model aims to provide an anti-sticking drill mechanism for a drilling jumbo, which aims to solve the problems in the background art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a stuck prevention mechanism for a rock drilling rig, comprising: the device comprises a mounting plate, three springs are fixedly arranged at the bottom of the mounting plate, a transverse plate is fixedly arranged at the bottom of the springs, a motor and two fixing plates are fixedly arranged at the bottom of the transverse plate, a first bevel gear is fixedly arranged on an output shaft of the motor, a rotating shaft is rotatably arranged on the fixing plates, two second bevel gears are fixedly arranged on one sides, close to each other, of the rotating shaft, the first bevel gear is meshed with the second bevel gears, two eccentric wheels are fixedly arranged on one sides, far away from each other, of the rotating shaft, two sliding blocks are fixedly arranged at the bottom of the mounting plate, a sliding plate is fixedly arranged on the sliding blocks, an outer ring of the eccentric wheels is movably abutted to the sliding plate, a rotating rod is fixedly arranged at the bottom of the first bevel gear, a mounting wheel is fixedly arranged at the bottom of the rotating rod, a plurality of crushing teeth are fixedly arranged on the mounting wheel, and a drill bit is fixedly arranged at the bottom of the mounting wheel.

Preferably, the cross plate is provided with an opening, and the two sliding blocks are slidably arranged in the corresponding openings.

Preferably, a plurality of mounting holes are formed in the top of the mounting plate, and mounting bolts are arranged in the mounting holes.

Preferably, the bottom of the fixed plate is fixedly provided with a reinforcing plate, and the rotating rod is rotatably arranged in the reinforcing plate.

Preferably, the reinforcing plate is fixedly provided with a supporting plate, and the rotating shaft is rotatably arranged in the supporting plate.

Preferably, the fixed plate is fixedly provided with a limit buckle, and the rotating shaft is rotatably arranged in the limit buckle.

Preferably, a plurality of the crushing teeth are annularly and equidistantly arranged relative to the mounting wheel.

According to the anti-sticking drill mechanism for the drilling jumbo, the mounting plate is fixed on the drilling jumbo through the mounting bolt, then the motor is started, the mounting wheel and the drill bit are driven to rotate through the rotating rod, so that the rock is drilled, the rotating shaft is rotated through the engagement of the first bevel gear and the second bevel gear, the outer ring of the eccentric wheel is driven to abut against the sliding plate to slide, the transverse plate is driven to repeatedly slide on the sliding plate through the spring fixed on the transverse plate, the drill bit has corresponding impact force during drilling, and the clamping can be effectively prevented;

according to the anti-sticking drill mechanism for the rock drilling trolley, the crushing teeth fixedly arranged on the mounting wheel are driven to rotate through the rotation of the motor, so that massive rock behind the drill bit can be crushed, and the drill bit can be prevented from being blocked by the massive rock to be blocked;

the utility model has reasonable structural design, the drill bit has corresponding impact force through the cooperation of the eccentric wheel and the sliding plate, the drill bit can be effectively prevented from being blocked during drilling, then the large rock behind the drill bit is crushed through the crushing teeth, and the drill bit can be prevented from being blocked by the large rock behind when being taken out.

Drawings

Fig. 1 is a schematic perspective view of an anti-sticking mechanism for a drilling rig according to the present utility model;

fig. 2 is a schematic bottom view of a drill sticking prevention mechanism for a drilling rig according to the present utility model;

FIG. 3 is a schematic perspective view of a cross plate and slider portion according to the present utility model;

fig. 4 is a partial enlarged view of a portion a in fig. 1.

In the figure: 1. a mounting plate; 2. a slide block; 3. a spring; 4. a cross plate; 5. a motor; 6. a fixing plate; 7. a slide plate; 8. a first bevel gear; 9. a second bevel gear; 10. a rotating shaft; 11. an eccentric wheel; 12. a rotating rod; 13. a mounting wheel; 14. crushing teeth; 15. a drill bit; 16. installing a bolt; 17. a mounting hole; 18. a reinforcing plate; 19. a support plate; 20. and a limit buckle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, an anti-sticking mechanism for a rock drilling rig, comprising: the device comprises a mounting plate 1, three springs 3 are fixedly arranged at the bottom of the mounting plate 1, a transverse plate 4 is fixedly arranged at the bottom of the springs 3, a motor 5 and two fixing plates 6 are fixedly arranged at the bottom of the transverse plate 4, a first bevel gear 8 is fixedly arranged on an output shaft of the motor 5, a rotating shaft 10 is rotatably arranged on the fixing plates 6, a second bevel gear 9 is fixedly arranged on one side, close to each other, of the two rotating shafts 10, the first bevel gear 8 is meshed with the second bevel gear 9, an eccentric wheel 11 is fixedly arranged on one side, far away from each other, of the two rotating shafts 10, two sliding blocks 2 are fixedly arranged at the bottom of the mounting plate 1, a sliding plate 7 is fixedly arranged on the sliding block 2, an outer ring of the eccentric wheel 11 is movably abutted to the sliding plate 7, a rotating rod 12 is fixedly arranged at the bottom of the first bevel gear 8, a mounting wheel 13 is fixedly arranged at the bottom of the rotating rod 12, a plurality of crushing teeth 14 are fixedly arranged on the mounting wheel 13, and a drill bit 15 is fixedly arranged at the bottom of the mounting wheel 13 at the same interval relative to the mounting wheel 13.

In this embodiment, an opening is formed in the transverse plate 4, two sliding blocks 2 are slidably mounted in the corresponding openings, a plurality of mounting holes 17 are formed in the top of the mounting plate 1, and mounting bolts 16 are arranged in the mounting holes 17.

In this embodiment, a reinforcing plate 18 is fixedly installed at the bottom of the fixing plate 6, a rotating rod 12 is rotatably installed in the reinforcing plate 18, a supporting plate 19 is fixedly installed on the reinforcing plate 18, a rotating shaft 10 is rotatably installed in the supporting plate 19, a limiting buckle 20 is fixedly installed on the fixing plate 6, and the rotating shaft 10 is rotatably installed in the limiting buckle 20.

In this embodiment, when in use, through fixing mounting panel 1 on the drill jumbo through mounting bolt 16, then start motor 5, drive installation wheel 13 and drill bit 15 through bull stick 12 and rotate, thereby drill rock, through the meshing of first bevel gear 8 and second bevel gear 9, make pivot 10 rotate, thereby drive eccentric wheel 11 outer lane butt and slide on slide 7, make diaphragm 4 repeatedly slide on slider 2 through fixed spring 3 on diaphragm 4, the drill bit 15 possess corresponding impact force when making the drilling, can effectually prevent to block, then, when drilling is accomplished and needs to take out drill bit 15, thereby drive the crushing tooth 14 rotation of fixed mounting on the installation wheel 13 through the rotation of motor 5, can smash drill bit 15 rear massive rock, can prevent that drill bit 15 from being blocked by massive rock and thereby block drill bit 15.

The anti-sticking drill mechanism for the drilling jumbo provided by the utility model is described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods of the present utility model and their core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims (7)

1. Drilling sticking prevention mechanism for drill jumbo, characterized by comprising: mounting panel (1), mounting panel (1) bottom fixed mounting has three spring (3), spring (3) bottom fixed mounting has diaphragm (4), diaphragm (4) bottom fixed mounting has motor (5) and two fixed plates (6), fixed mounting has first bevel gear (8) on the output shaft of motor (5), rotate on fixed plate (6) and install pivot (10), two equal fixed mounting in one side that pivot (10) are close to each other has second bevel gear (9), first bevel gear (8) and second bevel gear (9) mesh mutually, two equal fixed mounting in one side that pivot (10) are kept away from each other has eccentric wheel (11), mounting panel (1) bottom fixed mounting has two sliders (2), fixed mounting has slide (7) on slider (2), outer lane movable abutment of eccentric wheel (11) is on slide (7), fixed mounting has bull stick (12) in first bevel gear (8) bottom, fixed mounting has bull stick (12) bottom fixed mounting has install wheel (13), install the fixed mounting has bit (13) in one side that pivot (10) are kept away from each other, install bit (13) fixed mounting bit (13).

2. A drill sticking prevention mechanism for a drill jumbo according to claim 1, characterized in that the cross plate (4) is provided with openings, and two slide blocks (2) are slidably mounted in the corresponding openings.

3. The anti-sticking drill mechanism for a drilling rig according to claim 1, wherein a plurality of mounting holes (17) are formed in the top of the mounting plate (1), and mounting bolts (16) are arranged in the mounting holes (17).

4. The anti-sticking drill mechanism for a drilling rig according to claim 1, wherein a reinforcing plate (18) is fixedly installed at the bottom of the fixed plate (6), and the rotating rod (12) is rotatably installed in the reinforcing plate (18).

5. A drill sticking prevention mechanism for a drill jumbo according to claim 4, characterized in that the reinforcing plate (18) is fixedly provided with a supporting plate (19), and the rotary shaft (10) is rotatably mounted in the supporting plate (19).

6. The anti-sticking drill mechanism for a drilling rig according to claim 1, wherein a limit button (20) is fixedly arranged on the fixed plate (6), and the rotating shaft (10) is rotatably arranged in the limit button (20).

7. A drill sticking prevention mechanism for a drill rig according to claim 1, characterized in that a plurality of the crushing teeth (14) are arranged at equal intervals in a ring shape with respect to the mounting wheel (13).