CN211173918U

CN211173918U - Percussion hammer on drilling platform

Info

Publication number: CN211173918U
Application number: CN201921396601.3U
Authority: CN
Inventors: 王茂甡; 徐杰; 徐殿昕; 李从飞; 徐志深
Original assignee: Qingdao Binhai Survey And Mapping Co ltd
Current assignee: Qingdao Binhai Survey And Mapping Co ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-08-04
Anticipated expiration: 2029-08-27

Abstract

The utility model discloses an impact hammer on drilling platform, including hammer block, hydraulic drive mechanism and drill rod, hydraulic drive mechanism is located the inside of hammer block, the drill rod runs through the position that is close to the lower extreme in hydraulic drive mechanism's inside, hydraulic drive mechanism's inside movable mounting has the piston, the lower extreme fixed surface of drill rod installs the fixing base, the lower extreme fixed surface of fixing base installs first bore bit, fixed surface between fixing base and the first bore bit installs the fixture block. The utility model discloses a be provided with a series of structures and make this device in the use, avoid the bore bit to damage after long-term use in the past, cause it to change loaded down with trivial details and reduce probing efficiency, can carry out the different bore bits of free choice to the hole of probing different apertures size simultaneously, avoid the tradition to change new installation loaded down with trivial details nature, improve probing efficiency greatly, reduce staff's intensity of labour, optimize the use.

Description

Percussion hammer on drilling platform

Technical Field

The utility model relates to an impact hammer technical field specifically is an impact hammer on drilling platform.

Background

The pneumatic hammer is mainly used on a drilling platform for realizing impact rotary drilling, wherein the impact rotary drilling is used as a drilling method for simultaneously crushing rocks in an impact mode and a rotary mode, the drilling speed and the return footage length of a hard rock layer can be greatly improved, the bending degree of a drill hole is reduced, the drilling cost is obviously reduced, and the pneumatic hammer is mainly divided into a hydraulic impact rotary drilling impact hammer and a pneumatic impact rotary drilling pneumatic hammer.

The hydraulic transmission mechanism is a transmission mode mechanism which takes liquid as a working medium to carry out energy transmission and control, the hydraulic transmission is mainly a transmission mode which utilizes the kinetic energy of the liquid to carry out energy conversion, such as a hydraulic coupler and a hydraulic torque converter, and the hydraulic transmission technology is mechanically adopted, so that the structure of the machine can be simplified, the quality of the machine is reduced, the material consumption is reduced, the manufacturing cost is reduced, the labor intensity is reduced, and the working efficiency and the working reliability are improved.

The principle of the impact hammer is that a transmission mechanism drives a drill bit to rotate and simultaneously has reciprocating hammering movement perpendicular to a rotary head in one direction, a piston is driven by a hydraulic transmission mechanism to compress air in a cylinder in a reciprocating mode, the air pressure in the cylinder changes periodically to drive a hammer in the cylinder to strike the top of the brick in a reciprocating mode to form impact force, and the impact force is like that of a hammer to beat continuously.

However, the impact hammer on the existing drilling platform is simple in structure and not excellent enough in use effect, so that a drill bit damaged after long-term use is inconvenient to replace, meanwhile, different drill bits cannot be freely selected for drilling holes with different pore sizes simply, equipment often needs to be replaced, and the labor intensity of workers is greatly improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an impact hammer on drilling platform to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an impact hammer on a drilling platform comprises a hammer body, a hydraulic transmission mechanism and a drill rod, wherein the hydraulic transmission mechanism is positioned inside the hammer body, the drill rod penetrates through the position, close to the lower end, inside the hydraulic transmission mechanism, a piston is movably arranged inside the hydraulic transmission mechanism, a fixed seat is fixedly arranged on the outer surface of the lower end of the drill rod, a first drill bit is fixedly arranged on the outer surface of the lower end of the fixed seat, a clamping block is fixedly arranged between the fixed seat and the first drill bit, a clamping groove is formed in the fixed seat, a second drill bit is movably arranged in the first drill bit, close to the front end, a sliding rail is fixedly arranged in the first drill bit, close to the rear end, a sliding cover is movably arranged inside the sliding rail, a sliding groove and a pulley are arranged between the sliding cover and the sliding rail, and the sliding groove is positioned on the outer surface of the rear end of the pulley, the outer surface of the sliding cover is provided with a first fixing hole, and the outer surfaces of the sliding rail and the first drill bit at the same position as the sliding rail are provided with a second fixing hole.

Through adopting above-mentioned technical scheme, avoid the bore bit to damage after long-term use in the past, cause it to change loaded down with trivial details and reduce probing efficiency, can carry out the different bore bits of free choice to the hole of probing different apertures size simultaneously, avoid tradition to change new equipment loaded down with trivial details nature, improve probing efficiency greatly, reduce staff's intensity of labour.

Preferably, the clamping block is fixedly connected with the clamping groove in a clamping manner.

Through adopting above-mentioned technical scheme, can tentatively fix fixing base and first bore bit under the block effect of fixture block and draw-in groove.

Preferably, a screw penetrates through the combination position of the fixing seat and the inside of the clamping block, and a bolt is screwed at one end of the screw.

Through adopting above-mentioned technical scheme, the screw rod runs through fixing base and fixture block and cooperates the use of bolt to make the fixed of first bore bit and fixing base more firm.

Preferably, the sliding cover is connected with the sliding rail in a sliding manner through a pulley and a sliding groove.

By adopting the technical scheme, the sliding of the second drill bit is mainly determined by the sliding of the sliding cover in the sliding groove through the pulley.

Preferably, the second drill bit is fixedly connected with the sliding cover in a welding mode, the number of the second fixing holes is two, the number of each group of the second fixing holes is equal to that of the first fixing holes, and the first fixing holes and the second fixing holes are both penetrated through and screwed with fixing pins.

By adopting the technical scheme, the position of the fixing hole and the length of the sliding rail are fixed, so that the second drill bit can only slide and be fixed within a set distance.

Preferably, the outer surface of the lower end of the first drill bit is provided with a groove, the diameter of the lower end of the groove is larger than that of the upper end of the groove, the positions of the first drill bit and the second drill bit close to the groove are movably provided with fixing blocks, and the fixing blocks are matched with the grooves.

Through adopting above-mentioned technical scheme, the diameter of recess lower extreme is greater than the diameter of recess upper end and the fixed block is identical with the recess simultaneously to guarantee that the clearance is filled more abundant and firm.

To sum up, the utility model discloses following beneficial effect has:

1. the first drill bit is convenient to disassemble and install by matching the arranged fixed seat with the clamping groove and the clamping block, the first drill bit is more firmly and stably fixed by matching the bolt and the screw rod, the first drill bit is prevented from being damaged after long-term past use, the first drill bit is prevented from being complicated to replace and the drilling efficiency is reduced, when the drill bit is used, the bolt is unscrewed, the screw rod is pulled out and is forcibly pulled out of the first drill bit, so that the clamping groove is separated from the clamping block, the first drill bit is taken down, then the replaced first drill bit is fixed in the fixed seat and penetrates through the screw rod under the clamping action of the clamping block and the clamping groove, and meanwhile, the bolt is screwed down, so that the drill bit is simple in structure, stable in fixation, convenient to disassemble and excellent;

2. the first drill bit is matched with the second drill bit, different drill bits can be freely selected for drilling holes with different apertures, the complexity of traditional replacement of new equipment is avoided, when the drill bit is used, the fixing pin is unscrewed, the second drill bit can freely slide up and down in the slide rail, the fixing block is pulled out, the second drill bit is exposed out of the first drill bit, the fixing pin is installed and screwed, the fixing block is mainly used for filling a gap between the first drill bit and the second drill bit, when the holes are drilled, a rock core is prevented from entering the first drill bit, the fixing block is matched with a groove of the first drill bit, so that the gap filling is more solid and firm, meanwhile, the second drill bit can slide mainly due to the fact that the sliding cover slides in the slide groove through the pulley, and the position of the fixing hole and the length of the slide rail are fixed, so that the second drill bit can only slide and be fixed within a set distance.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a combination view of a first bit and a second bit of the present invention;

FIG. 3 is a view of the slide rail of the present invention in combination with a second bit;

fig. 4 is a combined view of the fixing base and the clamping block of the present invention.

In the figure: 1. a hammer body; 2. a hydraulic transmission mechanism; 21. a piston; 22. a drill rod; 3. a fixed seat; 31. a card slot; 32. a clamping block; 33. a screw; 34. a bolt; 4. a first bit; 41. a second bit; 43. a fixed block; 5. a slide rail; 51. a sliding cover; 52. a chute; 53. a pulley; 54. a first fixing hole; 55. a second fixing hole; 56. and fixing the pin.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: an impact hammer on a drilling platform comprises a hammer body 1, a hydraulic transmission mechanism 2 and a drill rod 22, wherein the hydraulic transmission mechanism 2 is positioned inside the hammer body 1, the drill rod 22 penetrates through the position, close to the lower end, inside the hydraulic transmission mechanism 2, a piston 21 is movably installed, under the action of the hydraulic transmission mechanism 2, the piston 21 does high-frequency reciprocating motion during working and continuously impacts a drill shank, a first drill bit 4 crushes and drills rocks to a certain depth to form a dent, after the piston 21 retracts, the drill rod 22 rotates to a certain angle, the piston 21 moves forwards again at the moment to impact the drill shank and form a new dent, a rock block between the two dents is sheared by a horizontal component force generated on the first drill bit 4, when the piston 21 continuously impacts the drill shank, pressurized water is continuously input from a central hole of the drill rod 22, rock slag is discharged outside the hole, and a round drill hole with a certain depth can be formed, further realizing the drilling function, the outer surface of the lower end of the drill rod 22 is fixedly provided with a fixed seat 3, the outer surface of the lower end of the fixed seat 3 is fixedly provided with a first drill bit 4, the inner part of the first drill bit 4 close to the front end is movably provided with a second drill bit 41, the inner part of the first drill bit 4 close to the rear end is fixedly provided with a slide rail 5, the inner part of the slide rail 5 is movably provided with a sliding cover 51, the position between the sliding cover 51 and the slide rail 5 is provided with a sliding chute 52 and a pulley 53, the sliding groove 52 is positioned on the outer surface of the rear end of the pulley 53, the outer surface of the sliding cover 51 is provided with a first fixing hole 54, the outer surfaces of the sliding rail 5 and the first drill bit 4 at the same position as the sliding rail 5 are provided with a second fixing hole 55, the position between the fixed seat 3 and the first drill bit 4 is fixedly provided with a clamping block 32, the fixed seat 3 is internally provided with a clamping groove 31, the fixing seat 3 and the first drill bit 4 can be preliminarily fixed under the clamping action of the clamping blocks 32 and the clamping grooves 31.

Further, the fixture block 32 is fixedly connected with the slot 31 in a clamping manner, and the fixing seat 3 and the first bit 4 can be preliminarily fixed under the clamping action of the fixture block 32 and the slot 31.

Further, a screw 33 penetrates through the combination position of the fixed seat 3 and the inside of the fixture block 32, a bolt 34 is screwed at one end of the screw 33, and the screw 33 penetrates through the fixed seat 3 and the fixture block 32 and is matched with the bolt 34 to enable the first drill bit 4 and the fixed seat 3 to be fixed more firmly.

Further, the sliding cover 51 is slidably connected to the sliding rail 5 through the pulley 53 and the sliding groove 52, the sliding of the second bit 41 is mainly determined by the sliding of the sliding cover 51 in the sliding groove 52 through the pulley 53, and the screw 33 penetrates through the fixing base 3 and the fixture block 32 and is matched with the bolt 34 to fix the first bit 4 and the fixing base 3 more firmly.

Further, the second drill bit 41 is fixedly connected with the sliding cover 51 in a welding mode, the number of the second fixing holes 55 is two, the number of each group is equal to that of the first fixing holes 54, the first fixing holes 54 and the second fixing holes 55 are all penetrated through and screwed with fixing pins 56, and the positions of the fixing holes and the length of the sliding rail 5 are fixed, so that the second drill bit 41 can only slide and be fixed within a set distance.

Further, a groove is formed in the outer surface of the lower end of the first drill bit 4, the diameter of the lower end of the groove is larger than that of the upper end of the groove, a fixing block 43 is movably mounted at the positions, close to the groove, of the first drill bit 4 and the second drill bit 41, the fixing block 43 is matched with the groove, the diameter of the lower end of the groove is larger than that of the upper end of the groove, and meanwhile the fixing block 43 is matched with the groove, so that gap filling is guaranteed to be more full.

It should be noted that, the utility model relates to an impact hammer on a drilling platform, when in use, firstly, the impact hammer is arranged on the drilling platform, under the action of a hydraulic transmission mechanism 2, a piston 21 does high-frequency reciprocating motion during working, and continuously impacts a drill bit, a rock is crushed and drilled into a certain depth by a first drill bit 4 to form a dent, after the piston 21 returns, a drill rod 22 rotates a certain angle, at the moment, the piston 21 moves forwards again to impact the drill bit, and a new dent is formed, a rock block between the two dents is cut by a horizontal component force generated on the first drill bit 4, when the piston 21 continuously impacts the drill bit, and pressure water is continuously input from a central hole of the drill rod 22, rock slag is discharged out of the hole, a round drill hole with a certain depth can be formed, and further, a drilling function is realized, through the arranged fixing base 3 matched with a clamping groove 31 and a clamping block 32, the disassembly and the installation of the first drill bit 4 are convenient, and the cooperation of the bolt 34 and the screw 33 makes the first bit 4 fixed more firmly and stably, avoid the first bit 4 from being damaged after long-term past use, causing the first bit 4 to be changed complicatedly and reducing the drilling efficiency, when in use, the bolt 34 is unscrewed, the screw 33 is pulled out and the first bit 4 is pulled out forcibly to separate the clamping groove 31 from the clamping block 32, the first bit 4 is taken down, then under the clamping action of the clamping block 32 and the clamping groove 31, the changed first bit 4 is fixed in the fixed seat 3 and penetrates through the screw 33, and simultaneously the bolt 34 is screwed, the structure is simple, the fixation is stable, the disassembly is convenient, the use effect is excellent, through the arrangement of the first bit 4 and the second bit 41, different bit can be freely selected aiming at holes with different bore diameters, the complexity of traditional equipment replacement is avoided, when in use, the fixing pin 56 is unscrewed, the second drill bit 41 can freely slide up and down in the slide rail 5, and the fixing block 43 is pulled out, so that the second drill bit 41 is exposed from the inside of the first drill bit 4, and then the fixing pin 56 is installed and screwed, wherein the fixing block 43 is mainly used for filling the gap between the first drill bit 4 and the second drill bit 41, when a hole is drilled, a rock core enters the inside of the first drill bit 4, and the fixing block 43 is matched with the groove of the first drill bit 4, so as to ensure that the gap is filled more fully and firmly, meanwhile, the second drill bit 41 can slide mainly determined by the sliding of the sliding cover 51 in the sliding groove 52 through the pulley 53, and the position of the fixing hole and the length of the slide rail 5 are fixed, so that the second drill bit 41 can only slide and be fixed within a set distance, thereby effectively increasing the functionality of the second drill bit 41, and being more practical.

The hydraulic transmission mechanism 2, the piston 21 and the shank adapter are well known in the art and are not described.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an impact hammer on drilling platform, includes hammer block (1), hydraulic drive mechanism (2) and drill rod (22), its characterized in that: the hydraulic transmission mechanism (2) is positioned inside the hammer body (1), the drill rod (22) penetrates through the position, close to the lower end, inside the hydraulic transmission mechanism (2), a piston (21) is movably installed inside the hydraulic transmission mechanism (2), a fixing seat (3) is fixedly installed on the outer surface of the lower end of the drill rod (22), a first drill bit (4) is fixedly installed on the outer surface of the lower end of the fixing seat (3), a clamping block (32) is fixedly installed between the fixing seat (3) and the first drill bit (4), a clamping groove (31) is formed inside the fixing seat (3), a second drill bit (41) is movably installed at the position, close to the front end, inside the first drill bit (4), a sliding rail (5) is fixedly installed at the position, close to the rear end, inside the sliding rail (5), and a sliding cover (51) is movably installed inside the sliding rail (5), a sliding groove (52) and a pulley (53) are arranged between the sliding cover (51) and the sliding rail (5), the sliding groove (52) is located on the outer surface of the rear end of the pulley (53), a first fixing hole (54) is formed in the outer surface of the sliding cover (51), and second fixing holes (55) are formed in the outer surfaces of the sliding rail (5) and the first drill bit (4) at the same position as the sliding rail (5).

2. The percussion hammer on a drilling platform according to claim 1, wherein: the clamping block (32) is fixedly connected with the clamping groove (31) in a clamping manner.

3. The percussion hammer on a drilling platform according to claim 1, wherein: a screw rod (33) penetrates through the combination position of the fixed seat (3) and the clamping block (32), and a bolt (34) is screwed at one end of the screw rod (33).

4. The percussion hammer on a drilling platform according to claim 1, wherein: the sliding cover (51) is connected with the sliding rail (5) in a sliding mode through a pulley (53) and a sliding groove (52).

5. The percussion hammer on a drilling platform according to claim 1, wherein: the second drill bit (41) is fixedly connected with the sliding cover (51) in a welding mode, the number of the second fixing holes (55) is two, the number of each group is equal to that of the first fixing holes (54), and the first fixing holes (54) and the second fixing holes (55) penetrate through the inner portions and are in threaded connection with fixing pins (56).

6. The percussion hammer on a drilling platform according to claim 1, wherein: the outer surface of the lower end of the first drill bit (4) is provided with a groove, the diameter of the lower end of the groove is larger than that of the upper end of the groove, a fixing block (43) is movably arranged at the positions, close to the groove, of the first drill bit (4) and the second drill bit (41), and the fixing block (43) is matched with the groove.