CN211819211U - Rear axle for percussion drill - Google Patents

Abstract

The utility model relates to a percussion drill equipment technical field provides a rear axle for percussion drill, including seat and the driving motor who connects in the base upper end, the first pivot of driving motor's output shaft, first pivot rotate through the mount pad and connect on the base, and the both ends of first pivot all are connected with first gear, and first gear engagement second gear is pegged graft between two second gears has same second pivot, and the second pivot rotates to be connected on the base. The utility model overcomes prior art's is not enough, reasonable in design, and compact structure has solved current percussion bit and has often adopted a wire rope to pull the vertical head, appears the problem of rocking easily, the utility model discloses a simple structure combination pulls the vertical head simultaneously through adopting two wire ropes, reduces the vertical head and rocks, adopts the pinion to drive the gear wheel rotation moreover, improves wire rope's traction force, can also let wire rope even distribution have very strong practicality to the hank section of thick bamboo.

Description

Rear axle for percussion drill

Technical Field

The utility model relates to a percussion drill equipment technical field, concretely relates to rear axle for 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 impact drilling machine is very common in road and bridge construction and mine exploitation, and the conventional impact drilling machine usually has the following problems at present.

1. Traditional percussion drill adopts a wire rope pulling plumb to reciprocate mostly, but a wire rope stability is relatively poor, leads to the plumb to rock easily, even has the part to adopt two wire ropes, but can't guarantee two wire rope synchronous working, still can lead to the plumb to rock.

2. The traditional percussion drill usually directly drives the winch to rotate through the motor to tighten or loosen the steel wire rope, so that the load of the motor is larger and more labor-consuming.

3. When a traditional percussion drill ascends and hangs down, a protection device is not generally arranged, and certain potential safety hazards exist.

To this end, we propose a rear axle for a percussion drill.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a rear axle for percussion drill has overcome the not enough of prior art, reasonable in design, and compact structure has solved current percussion drill and has often adopted a wire rope to pull the vertical head, appears the problem of rocking easily, the utility model discloses a simple structure combination pulls the vertical head simultaneously through adopting two wire ropes, reduces the vertical head and rocks, adopts the pinion to drive the gear wheel rotation moreover, improves wire rope's traction force, can also let wire rope even distribution to the hank section of thick bamboo on, has very strong practicality.

(II) technical scheme

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

the utility model provides a rear axle for percussion drill, includes the base and connects the driving motor in the base upper end, the first pivot of driving motor's output shaft, first pivot rotate through the mount pad and connect on the base, and the both ends of first pivot all are connected with first gear, and first gear engagement second gear is pegged graft between two second gears has same second pivot, and the second pivot rotates and connects on the base, 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.

Furthermore, the output shaft of the driving motor is connected with a speed reducer, and the output end of the speed reducer is connected with the first rotating shaft.

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

Furthermore, the movable end of the steel wire rope bypasses the adjusting wheels, the centers of the two adjusting wheels are inserted with a same third rotating shaft, and the two ends of the third rotating shaft are rotatably connected to the base.

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

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

Furthermore, a plurality of annularly distributed spiral sheets are arranged in the middle of the twisting barrel.

Furthermore, a protective cover is arranged on the side wall of one end of the base.

(III) advantageous effects

An embodiment of the utility model provides a rear axle for percussion drill. The method has the following beneficial effects:

1. two steel wire ropes are adopted for outputting simultaneously, the stability of the hanging head can be improved, the output power of the two steel wire ropes comes from the same driving motor, the driving motor drives the pinion, then the pinion drives the gear wheel to rotate, and the gear wheel drives the twisting barrel to rotate, so that the steel wire ropes are tightened or loosened, the balance effect of the two steel wire ropes can be improved, and the output force can be balanced.

2. The traction effect of the steel wire rope can be improved. Drive first gear rotation through driving motor, then drive second gear rotation through first gear, let the pinion drive gear wheel and rotate, it is more laborsaving, can improve the power of output.

3. Through setting up ratchet wheel, pawl and electric telescopic handle, can play certain dead effect of lock when rising the plumbing, reduce unexpected the production.

4. Through setting up gliding adjustment wheel and flight, improve the effect of receiving the line and unwrapping wire, make the even distribution of wire rope on the hank section of thick bamboo, make things convenient for wire rope to tighten up and relax, make the power of wire rope output more stable.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the present invention.

In the figure: the device comprises a base 1, a protective cover 1.1, a driving motor 2, a first rotating shaft 3, a first gear 4, a second gear 5, a second rotating shaft 6, a winch barrel 7, a ratchet gear 8, a pawl 9, an adjusting wheel 10, a third rotating shaft 11 and a steel wire rope 12.

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 figure 1, a rear axle for a percussion drill comprises a base 1 and a driving motor 2 fixedly connected to the upper end of the base 1, wherein an output shaft of the driving motor 2 is connected with a speed reducer, an output end of the speed reducer is connected with a first rotating shaft 3, the rotating speed of the driving motor 2 can be reduced by arranging the speed reducer, the torque is increased, the rotating effect is improved, the first rotating shaft 3 is rotatably connected to the base 1 through a mounting seat, two ends of the first rotating shaft 3 are both connected with a first gear 4, the first gear 4 is meshed with a second gear 5, the radius of the first gear 4 is smaller than that of the second gear 5, a large gear is driven through a small gear, the labor is saved, the rotating speed of the second gear 5 is reduced, the torque is increased, the rotating effect is improved, the same second rotating shaft 6 is fixedly inserted between the two second gears 5, and the second rotating shaft 6 is rotatably connected, two symmetrical twisting cylinders 7 are sleeved on the second rotating shaft 6, and steel wire ropes 12 are wound on the twisting cylinders 7.

In this embodiment, as shown in the figure, the movable end of the steel wire rope 12 bypasses the adjusting wheels 10, the same third rotating shaft 11 is inserted into the centers of the two adjusting wheels 10, and two ends of the third rotating shaft 11 are rotatably connected to the base 1.

In this embodiment, as shown in the figure, the adjusting wheel 10 is slidably connected to the third rotating shaft 11, and meanwhile, since the adjusting wheel 10 can freely slide on the third rotating shaft 11, the winding of the steel wire rope 12 can be more tidy, the steel wire rope 12 can be more stably wound during paying off, and the steel wire rope 12 can be prevented from being wound.

In this embodiment, as shown in the figure, be provided with two symmetrical ratchet gears 8 on the second pivot 6, and the meshing has pawl 9 on the ratchet gear 8, pawl 9 articulates on base 1, and one side that ratchet gear 8 was kept away from to pawl 9 is connected on the mount pad through electric telescopic handle, can drive pawl 9 and contradict ratchet gear 8 through starting electric telescopic handle, play spacing effect, make the rotary drum can only rotate towards a direction, prevent that wire rope 12 from driving rotary drum antiport under heavily pressing, cause the accident, use when percussion drill lifts by crane the pendant usually, percussion drill slowly raises the pendant, simultaneously through pawl 9 and contradict ratchet gear 8, make the pendant only rebound, also can drive pawl 9 through electric telescopic handle simultaneously and break away from ratchet gear 8, make things convenient for hank section of thick bamboo 7 to tighten up or relax wire rope 12 and carry out the work.

In this embodiment, as shown in the figure, a plurality of circularly distributed spiral sheets are arranged in the middle of the winding drum 7, and the spiral sheets are matched with the slidable adjusting wheel 10, so that the steel wire ropes 12 can be prevented from being concentrated at one end of the winding drum 7, and the steel wire ropes 12 can be uniformly distributed on the winding drum 7.

In this embodiment, as shown in the figure, be provided with safety cover 1.1 on the one end lateral wall of base 1, can play certain guard action, reduce the potential safety hazard.

The during operation, driving motor 2 drives first pivot 3 through the speed reducer and rotates, first pivot 3 drives two first gears 4 and rotates simultaneously, because the radius of first gear 4 is less than the radius of second gear 5, therefore it is more laborsaving, the rotational speed increase output power that can also reduce the gear wheel, two second gears 5 drive second pivot 6 jointly and rotate, improve second pivot 6 and rotate the effect, second pivot 6 rotates and drives the winding reel 7 and rotate, can tighten up or relax wire rope 12, wire rope 12 adjusts suitable angle through regulating wheel 10 again, facilitate the use, simultaneously because regulating wheel 10 can freely slide on third pivot 11, consequently, can make wire rope 12 winding more neat, also can be more stable in the unwrapping wire.

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 (8)

1. The utility model provides a rear axle for percussion drill, includes the base and connects the driving motor in the base upper end, its characterized in that: the output shaft of the driving motor is connected with a first rotating shaft, the first rotating shaft is connected to the base in a rotating mode through the mounting seat, the two ends of the first rotating shaft are connected with first gears, the first gears are meshed with second gears, the two second gears are connected with the same second rotating shaft in a plugging mode, the second rotating shaft is connected to the base in a rotating mode, two symmetrical twisting barrels are sleeved on the second rotating shaft, and steel wire ropes are wound on the twisting barrels.

2. A rear axle for a percussion drill according to claim 1, wherein: an output shaft of the driving motor is connected with the speed reducer, and an output end of the speed reducer is connected with the first rotating shaft.

3. A rear axle for a percussion drill according to claim 1, wherein: the radius of the first gear is smaller than that of the second gear.

4. A rear axle for a percussion drill according to claim 1, wherein: the movable end of the steel wire rope bypasses the adjusting wheels, the centers of the two adjusting wheels are inserted with the same third rotating shaft, and the two ends of the third rotating shaft are rotatably connected to the base.

5. A rear axle for a percussion drill according to claim 4, wherein: the adjusting wheel is connected to the third rotating shaft in a sliding mode.

6. A rear axle for a percussion drill according to claim 1, wherein: two symmetrical ratchet gears are arranged on the second rotating shaft, a pawl is meshed with the ratchet gears and hinged to the base, and one side, far away from the ratchet gears, of the pawl is connected to the mounting seat through an electric telescopic rod.

7. A rear axle for a percussion drill according to claim 1, wherein: the middle of the twisting barrel is provided with a plurality of circularly distributed spiral sheets.

8. A rear axle for a percussion drill according to claim 1, wherein: a protective cover is arranged on the side wall of one end of the base.

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