CN212054478U

CN212054478U - Novel high-efficient percussion drill

Info

Publication number: CN212054478U
Application number: CN202020610340.7U
Authority: CN
Inventors: 张健
Original assignee: Nanjing Shangtai Construction Machinery Manufacturing Co ltd
Current assignee: Nanjing Shangtai Construction Machinery Manufacturing Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-12-01
Anticipated expiration: 2030-04-21

Abstract

The utility model relates to a percussion drill equipment technical field provides a novel high-efficient percussion drill, including the frame, be connected with drive rear axle on the back lateral wall of frame, its characterized in that: two steel wire ropes are arranged on the driving rear axle, and the two steel wire ropes are wound around the stand column and connected to the same drill bit. The utility model overcomes prior art's is not enough, reasonable in design, and compact structure has solved current solution current percussion drill percussion efficiency low, and the effect is poor, and does not possess the problem of sand discharging, the utility model discloses a simple structure combination adopts two wire rope to connect the drill bit, has improved the stability of drill bit, adopts the mode of pinion toothing gear wheel simultaneously, has improved the power of output, can drive the drill bit work of great weight, has improved work efficiency, adopts the powerful air current that air compressor produced moreover, discharges the grit to realize the effect of quick sand discharging.

Description

Novel high-efficient percussion drill

Technical Field

The utility model relates to a percussion drill equipment technical field, concretely relates to novel high-efficient percussion drill.

Background

A percussion drill is a machine that uses the impact force of a drill bit to drill a hole in a rock formation. The percussion drill is very common in road and bridge construction and mine exploitation, and the conventional percussion drill adopts a winch to tighten and loosen a steel wire rope at present, and then drives a drill bit to move up and down through the steel wire rope for impacting.

However, the conventional percussion drill also has the following problems:

1. traditional percussion drill often directly drives the winch through the motor and rotates and tighten up or loosen wire rope, makes the load of motor great, and is harder, consequently can support the drill bit of less weight, and the impact effect is poor, and work efficiency is low.

2. Most of the conventional percussion drill machines have poor precision and are easy to deviate during impact.

3. The efficiency of traditional percussion drill impact is very low, and after general winch winding wire rope drove drill bit rebound to a certain position, then loosen the winch, let the drill bit strike downwards under the action of gravity, then circulate, strike at every turn and all can consume for a long time, influence work efficiency.

4. Most of the drill bits adopted at present can not automatically discharge slag, so that the construction efficiency is low.

Therefore, a novel high-efficiency percussion drill is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a novel high-efficient percussion drill, it is not enough to have overcome prior art, reasonable in design, compact structure has solved current percussion drill percussion efficiency of having solved low, and the effect is poor, and does not possess the problem of sand discharging, the utility model discloses a simple structure combination adopts two wire rope to connect the drill bit, has improved the stability of drill bit, adopts the mode of pinion toothing gear wheel simultaneously, has improved the power of output, can drive the drill bit work of great weight, has improved work efficiency, adopts the powerful air current that air compressor produced moreover, discharges the grit from taking out the sand pipe to realize the effect of quick sand discharging, have very strong practicality.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a novel high-efficiency percussion drill comprises a frame, wherein a rear driving axle is connected to the rear side wall of the frame, two steel wire ropes are arranged on the rear driving axle, the two steel wire ropes are wound around a stand column and connected to the same drill bit, and the stand column is hinged to the frame;

a through hole is formed in the center of the drill bit, a sand guide device is arranged in the through hole, the upper end of the sand guide device is connected with a connecting rope, the connecting rope bypasses a fixed pulley arranged on the stand column and is connected to a winch, and the winch is connected to the rack;

lead sand device including leading the sand pipe, lead the sand union coupling on connecting the rope, the lower extreme of leading the sand pipe is connected with takes out the sand pipe, takes out and is provided with the intake pipe in the sand pipe, and the upper end of intake pipe passes the lateral wall of taking out the sand pipe and is connected with the air inlet, and the other end of air inlet is connected with air compressor.

Further, the rear drive axle includes rear axle frame and the driving motor of fixed connection in the rear axle frame upper end, driving motor's output shaft speed reducer, and the output of speed reducer connects first pivot, first pivot rotates through the mount pad to be connected in the rear axle frame, the both ends of first pivot all are connected with first gear, first gear engagement second gear, it has same second pivot to fix the grafting between two second gears, and the second pivot rotates and connects in the rear axle frame, the hank section of thick bamboo of two symmetries has been cup jointed in the second pivot, and the winding has wire rope on the hank section of thick bamboo, the adjusting wheel is walked around to wire rope's expansion end, the center of two adjusting wheels is pegged graft and is had same third pivot, and the both ends of third pivot are rotated and are connected in the rear axle frame.

Further, the steel wire rope is located one section between drive rear axle and the stand and still contradicts there is the reverse wheel, and the reverse wheel rotates to be connected on the rotating turret, and the rotating turret articulates to be connected in the frame, all contradicts on two rotating turrets and has the cam, is connected with same fourth pivot between two cams, and the fourth pivot is connected on gear motor's output shaft, and gear motor sets up in the frame.

Furthermore, two symmetrical ratchet gears are arranged on the second rotating shaft, a pawl is meshed with the ratchet gears, the pawl is hinged to the rear axle rack, and one side, far away from the ratchet gears, of the pawl is connected to the mounting seat through an electric telescopic rod.

Further, the radius of the first gear is smaller than that of the second gear.

Furthermore, the adjusting wheel is connected to the third rotating shaft in a sliding manner.

Furthermore, the adjusting wheel, the reversing wheel and the first fixed pulley on the same steel wire rope are positioned on the same straight line.

(III) advantageous effects

The embodiment of the utility model provides a novel high-efficient percussion drill. The method has the following beneficial effects:

1. the traction effect of the steel wire rope can be improved, and the steel wire rope can be provided with a drill bit with larger weight, so that the impact effect is improved. Drive first gear through driving motor and rotate, then drive second gear through first gear and rotate, let the pinion drive gear wheel and rotate, it is more laborsaving, can improve the power of output, can be equipped with the drill bit of great weight, improve work efficiency.

2. Adopt two wire rope exports simultaneously, can improve the stability of drill bit, and two wire rope output power come from same driving motor moreover, driving motor drives the pinion, then drives the gear wheel by the pinion and rotates, and the gear wheel drives the hank section of thick bamboo and rotates to tighten up or loosen wire rope, can improve two wire rope's balanced effect, can make the strength of output more balanced, two wire rope also can prevent that the drill bit from rocking simultaneously, prevent the skew, influence the impact precision.

3. The efficiency of drill bit impact can be improved. Starting gear motor, gear motor drives the cam and rotates, and the cam can drive the rotating turret and reciprocate, and when the rotating turret moves down, will drive the drill bit rebound through wire rope this moment, and the drill bit strikes downwards under the action of gravity when the rotating turret rebound this moment, because gear motor continuously rotates simultaneously, consequently can reach quick high frequency and strike, improves the efficiency of strikeing.

4. Can reach high-efficient sand discharge effect, simple structure. Through air compressor ventilate to the grit through intake pipe and air inlet, can blow off the gravel stone to reach the effect of quick sand discharging.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional plan view of FIG. 1;

FIG. 3 is an enlarged perspective view of the rear axle structure of the present invention;

FIG. 4 is an enlarged schematic view of a partial three-dimensional structure of the present invention;

fig. 5 is a partially enlarged view of fig. 3.

In the figure: the device comprises a frame 1, a stand column 1.1, a driving rear axle 2, a rear axle frame 2.1, a driving motor 2.2, a first rotating shaft 2.3, a first gear 2.4, a second gear 2.5, a second rotating shaft 2.6, a winch barrel 2.7, a ratchet gear 2.8, a pawl 2.9, an adjusting wheel 2.10, a third rotating shaft 2.11, a steel wire rope 3, a reversing wheel 4, a rotating frame 4.1, a top block 4.2, a limiting frame 4.3, a sand guide device 5, a sand guide pipe 5.1, a sand pumping pipe 5.2, an air inlet 5.3, an air inlet pipe 5.4, a connecting rope 5.5, a drill bit 6, a speed reducing motor 7 and a cam 7.1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to the attached drawings 1-5, a novel high-efficient percussion drill, which comprises a frame 1, be connected with drive rear axle 2 on the frame 1 rear side wall, be provided with two wire rope 3 on the drive rear axle 2, two wire rope 3 walk around stand 1.1 and connect on same drill bit 6, stand 1.1 articulates in frame 1, it is convenient folding stand 1.1, the center of drill bit 6 is provided with the through-hole, and be provided with in the through-hole and lead sand device 5, the upper end of leading sand device 5 is connected with and connects rope 5.5, connect rope 5.5 and walk around the fixed pulley that sets up on stand 1.1 and connect on hoist engine 8, hoist engine 8 is connected in frame 1.

In this embodiment, as shown in fig. 3, the rear drive axle 2 includes a rear axle frame 2.1 and a drive motor 2.2 fixedly connected to the upper end of the rear axle frame 2.1, an output shaft of the drive motor 2.2 is connected to a speed reducer, an output end of the speed reducer is connected to the first rotating shaft 2.3, the rotating speed of the driving motor 2.2 can be reduced, the torque is increased and the rotating effect is improved by arranging the speed reducer, the first rotating shaft 2.3 is rotationally connected on the rear axle frame 2.1 through the mounting seat, the two ends of the first rotating shaft 2.3 are both connected with the first gear 2.4, the first gear 2.4 is meshed with the second gear 2.5, the radius of the first gear 2.4 is smaller than that of the second gear 2.5, the small gear drives the big gear, which saves more labor, reduces the rotating speed of the second gear 2.5, increases the torque, improve pivoted effect here, two first gears 2.4 drive through a driving motor 2.2 moreover, can improve the synchronous rate then, conveniently drive 3 synchronous movement of wire rope.

Fixed the pegging graft between two second gears 2.5 has same second pivot 2.6, and second pivot 2.6 rotates and connects on rear axle frame 2.1, cup jointed the hank section of thick bamboo 2.7 of two symmetries on the second pivot 2.6, and the winding has wire rope 3 on the hank section of thick bamboo 2.7, adjusting wheel 2.10 is walked around to wire rope 3's expansion end, the center of two adjusting wheels 2.10 is pegged graft and is had same third pivot 2.11, and the both ends of third pivot 2.11 rotate and connect on rear axle frame 2.1.

In this embodiment, as shown in fig. 4, the steel wire rope 3 is located one section between drive rear axle 2 and stand 1.1 and has still contradicted reverse wheel 4, reverse wheel 4 rotates to be connected on rotating turret 4.1, rotating turret 4.1 articulates and connects in frame 1, cam 7.1 has all contradicted on two rotating turrets 4.1, be connected with same fourth pivot between two cams 7.1, and the fourth pivot is connected on gear motor 7's output shaft, gear motor 7 sets up in frame 1, gear motor 7 is the combination of driving motor and speed reducer, can reduce the rotational speed and improve the moment of torsion, improve output power, it reciprocates to conveniently drive rotating turret 4.1 through cam 7.1.

In this embodiment, as shown in fig. 3, two symmetrical ratchet gears 2.8 are disposed on the second rotating shaft 2.6, and a pawl 2.9 is engaged with the ratchet gear 2.8, the pawl 2.9 is hinged to the rear axle frame 2.1, and one side of the pawl 2.9 away from the ratchet gear 2.8 is connected to the mounting seat through an electric telescopic rod, the electric telescopic rod can be started to drive the pawl 2.9 to abut against the ratchet gear 2.8, so as to perform a limiting function, so that the rotary drum can only rotate in one direction, and the wire rope 3 is prevented from driving the rotary drum to rotate reversely under heavy pressure, thereby causing an accident, which is usually used when the impact drilling machine lifts the drill bit 6, the impact drilling machine slowly raises the drill bit 6, and simultaneously, the pawl 2.9 abuts against the ratchet gear 2.8 through the pawl 2.9, so that the drill bit 6 can only move upwards, and meanwhile, the pawl 2.9 can be driven by the electric telescopic rod to disengage from the ratchet gear.

In this embodiment, adjusting wheel 2.10 sliding connection is on third pivot 2.11, simultaneously because adjusting wheel 2.10 can freely slide on third pivot 2.11, consequently can make 3 intertwines of wire rope more neat, also can be more stable in the time of the unwrapping wire, prevents that 3 intertwines of wire rope from influencing the efficiency of receiving and releasing the line.

In this embodiment, the adjusting wheel 2.10, the reversing wheel 4 and the first fixed pulley on the same steel wire rope 3 are on the same straight line, so that the horizontal swing of the drill bit 6 can be reduced, the stability of the drill bit 6 is improved, and the precision of the drill bit 6 is improved.

In this embodiment, as shown in fig. 5, the sand guide device 5 includes the sand guide pipe 5.1, the sand guide pipe 5.1 is connected on the connecting rope 5.5, the lower extreme of the sand guide pipe 5.1 is connected with the sand pumping pipe 5.2, be provided with the intake pipe 5.4 in the sand pumping pipe 5.2, and the upper end of intake pipe 5.4 passes the lateral wall of sand pumping pipe 5.2 and is connected with air inlet 5.3, the other end of air inlet 5.3 is connected with air compressor, ventilate to the grit through intake pipe 5.4 and air inlet 5.3 through air compressor, can blow off the gravel, thereby reach the effect of quick sand discharge.

When the pneumatic sand-rock drilling machine works, the driving motor 2.2 drives the first rotating shaft 2.3 to rotate through the speed reducer, the first rotating shaft 2.3 drives the two first gears 2.4 to simultaneously rotate, the radius of the first gear 2.4 is smaller than that of the second gear 2.5, so that the pneumatic sand-rock drilling machine is more labor-saving, the rotating speed of the large gear can be reduced, the output power is increased, the two second gears 2.5 jointly drive the second rotating shaft 2.6 to rotate, the rotating effect of the second rotating shaft 2.6 is improved, the second rotating shaft 2.6 rotates to drive the winch barrel 2.7 to rotate, the steel wire rope 3 can be tightened, the drill bit 6 is driven to move upwards, the steel wire rope 3 is loosened, the drill bit 6 reaches the impact effect downwards, rocks due to the heavy weight of the drill bit 6, the sand guide device 5 is driven to move downwards through the winch 8, the sand pumping pipe 5.2 is inserted into sand, then the air compressor is started, and the air compressor blows air to the, at this moment, the sand and stone can be discharged outwards along the sand pumping pipe 5.2 and the sand guide pipe 5.1 under the action of the airflow, so that the sand and stone discharging effect is achieved, and the sand and stone are dry, so that pipelines are not easy to block, and the subsequent transportation weight is reduced.

In order to reach the effect of quick impact, reserve out the wire rope 3 of certain length through hank section of thick bamboo 2.7, simultaneously because stand 1.1 highly higher, can drive rotating turret 4.1 through wire rope 3 and reverse wheel 4 and contradict to cam 7.1 always, then start gear motor 7, gear motor 7 drives cam 7.1 and rotates, cam 7.1 can drive rotating turret 4.1 and reciprocate, when rotating turret 4.1 rebound, will drive drill bit 6 rebound through wire rope 3 this moment, drill bit 6 strikes under the action of gravity when rotating turret 4.1 rebound this moment, simultaneously because gear motor 7 continuously rotates, consequently can reach quick high frequency and strike, improve the efficiency of strikeing.

Because the drill bit 6 can reciprocate along with the swing of rotating turret 4.1, rotating turret 4.1 articulates in frame 1, and adjustment wheel 2.10 on the same root wire rope 3, reverse wheel 4 and first fixed pulley are in same straight line, can reduce the swing from side to side of drill bit 6, make the external force that rotating turret 4.1 received only the pressure of cam 7.1 and the tension of wire rope 3, consequently rotating turret 4.1 can only the luffing motion can not squint, can improve the stability of drill bit 6, and because the frequency of drill bit 6 impact is very high, can reduce the influence that drill bit 6 received wind-force, reduce the skew of drill bit 6, improve the precision that drill bit 6 impacted. Meanwhile, the drill bit 6 can be prevented from shaking through the two steel wire ropes 3, and the precision of the drill bit 6 is improved again.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

1. The utility model provides a novel high-efficient percussion drill, includes the frame, is connected with drive rear axle on the back lateral wall of frame, its characterized in that: two steel wire ropes are arranged on the driving rear axle, the two steel wire ropes are wound around the stand column and connected to the same drill bit, and the stand column is hinged to the rack;

2. A novel high efficiency percussion drill according to claim 1, wherein: the rear axle comprises a rear axle frame and a driving motor fixedly connected to the upper end of the rear axle frame, an output shaft of the driving motor is connected with a speed reducer, an output end of the speed reducer is connected with a first rotating shaft, the first rotating shaft is connected to the rear axle frame in a rotating mode through a mounting seat, two ends of the first rotating shaft are connected with first gears, the first gears are meshed with second gears, the same second rotating shaft is fixedly inserted between the two second gears, the second rotating shaft is connected to the rear axle frame in a rotating mode, two symmetrical winch barrels are connected to the second rotating shaft in a rotating mode, a steel wire rope is wound on the winch barrels, the adjusting wheels are wound by movable ends of the steel wire rope, the same third rotating shaft is inserted into centers of the two adjusting wheels, and two ends of the third rotating shaft are connected to the rear axle.

3. A novel high efficiency percussion drill according to claim 1, wherein: the steel wire rope is located one section between drive rear axle and the stand and still contradicts there is the reverse wheel, and the reverse wheel rotates to be connected on the rotating turret, and the rotating turret articulates to be connected in the frame, all contradicts on two rotating turrets and has the cam, is connected with same fourth pivot between two cams, and the fourth pivot is connected on gear motor's output shaft, and gear motor sets up in the frame.

4. A novel high efficiency percussion drill according to claim 2, wherein: two symmetrical ratchet gears are arranged on the second rotating shaft, a pawl is meshed with the ratchet gears, the pawl is hinged to the rear axle rack, and one side, far away from the ratchet gears, of the pawl is connected to the mounting seat through an electric telescopic rod.

5. A novel high efficiency percussion drill according to claim 2, wherein: the radius of the first gear is smaller than that of the second gear.

6. A novel high efficiency percussion drill according to claim 2, wherein: the adjusting wheel is connected to the third rotating shaft in a sliding mode.

7. A novel high efficiency percussion drill according to claim 2 or 3, wherein: and the adjusting wheel, the reversing wheel and the first fixed pulley on the same steel wire rope are positioned on the same straight line.