CN212225094U - Impact device - Google Patents

Abstract

The utility model relates to an impact device, a serial communication port, including the base member for bind two at least impacter subassemblies, the impacter subassembly is including locating the inside impacter monomer of base member, with the drill bit of connection can be dismantled to impacter monomer one end, with the first joint that the impacter monomer other end is connected, first joint passes through the screw and is in fix on the base member, be equipped with the joint structure on the impacter monomer, the joint structure with joint hole in the base member cooperatees. The application provides an impact device, impacter monomer are difficult to drop from this impact device, have avoided impact device's damage, ensure the reliability and the security of drilling construction.

Description

Impact device

Technical Field

The utility model belongs to the technical field of the core bores gets technical field, especially an impact device.

Background

The down-the-hole drill is a construction engineering device for piling holes, is suitable for engineering blast hole drilling operations such as metallurgy, coal, building materials, railways, hydropower construction, national defense construction, earthwork and the like, has the characteristics of deep drilling, large drilling diameter, high drilling efficiency, wide application range and the like compared with common rock drills, and is a currently universal large-scale rock drilling device.

During drilling construction in some bedrock environments, because construction drilling diameter is big, construction environment stratum is complicated, the adaptability of single drill bit detritus mode to stratum is poor, consequently, this kind of construction often drilling speed is slow, can not satisfy the needs of the whole efficiency of construction of engineering, in order to deal with the drilling construction demand of this kind of large-bore construction environment, the drilling tool that carries out the combination with a plurality of impactors and drill bit has appeared on the market, this kind of drilling tool make full use of strikes and has moved the efficient characteristics of carrying broken hard rock, drilling efficiency has greatly been improved.

However, when the drilling tool is used for construction, the impact load of the rock on the impacter is large, so that the impacter is easy to fall off from the drilling tool, and the drilling tool is damaged.

SUMMERY OF THE UTILITY MODEL

The technical problem is solved, an object of the utility model is to provide an impact device, impacter are difficult to drop from this impact device, have avoided impact device's damage, ensure drilling construction's reliability and security.

The technical scheme of the utility model as follows:

an impact device comprising a base for binding at least two impactor components,

the impactor assembly includes an impactor body disposed within the base,

a drill bit detachably connected with one end of the impactor monomer,

a first joint connected with the other end of the impactor single body,

the first connector is fixed on the base body through a screw, a clamping structure is arranged on the impactor body, and the clamping structure is matched with a clamping hole in the base body.

Preferably, the clamping structure comprises a clamping structure,

locate the bellying on the impacter monomer, the bellying with joint hole joint.

Preferably, the protrusion is polygonal.

Preferably, the base body comprises an adapter plate,

the first joint is matched with the upper flange,

the first joint is fixed with the upper flange through a screw assembly.

Preferably, the first joint is provided with a threaded hole,

the screw assembly includes a threaded bolt that mates with a threaded bore,

and the gasket is used for enabling the bolt to penetrate through and abuts against the upper end face of the upper flange.

Preferably, a first vent hole is arranged in the axial direction perpendicular to the first joint, one end of the first vent hole is communicated with a first central hole in the first joint, and the other end of the first vent hole is communicated with a second vent hole in the upper receiving disc;

the first center hole is communicated with a second center hole arranged in the impactor single body.

Preferably, an airflow groove is formed in the end portion below the base body, the airflow groove is communicated with the second center hole, and the airflow groove is communicated with a slag discharging groove formed in the base body, so that rock slag is discharged from the slag discharging groove.

Preferably, the first joint is circumferentially provided with an arc-shaped ring groove, and the arc-shaped ring groove is communicated with the first vent hole.

Preferably, the impactor body comprises a check valve with one end matched with the first central hole,

a gas distribution seat which is abutted against the other end of the check valve,

a piston which is matched with the air distribution seat,

a first air chamber arranged between the piston and the air distribution seat,

a second air chamber arranged at the piston and the end part of the drill bit,

the piston reciprocates up and down through the change of the air pressure in the first air chamber and the second air chamber, and then impacts the drill bit, so that the drill bit impacts the rock stratum.

The utility model provides an impact device, which comprises a base body, at least two impactor components are bound in the base body, each impactor component comprises an impactor single body arranged in the base body, one end of each impactor single body is connected with a drill bit, the other end of each impactor single body is provided with a first joint, the upper end of each impactor single body is fixed on the base body through a screw by the first joint, so that the impactor single bodies and the drill bits cannot fall off from the base body in the construction process, simultaneously, the impactor single body is provided with a clamping structure, and the base body is internally provided with a clamping hole, so that the lower end of the impactor single body is close to the clamping hole in the base body to be matched with the clamping structure, through the design, the positions of the single impacter and the base body are fixed, so that when the single impacter and the drill bit are constructed, the single impacter is not easy to fall off from the impact device, the damage of the impact device is avoided, and the reliability and the safety of drilling construction are ensured.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of the impact device of the present embodiment;

FIG. 2 is a schematic structural diagram of the impact device in the present embodiment;

FIG. 3 is a schematic structural diagram of a single impactor body in the present embodiment;

FIG. 4 is a schematic diagram of the structure of the inner clamping hole of the substrate in this embodiment;

FIG. 5 is a schematic view of a first connector structure in this embodiment;

FIG. 6 is a schematic view of the upper flange structure in the present embodiment;

fig. 7 is a schematic view of the internal structure of the impactor body in this embodiment.

Reference numbers in the drawings illustrate: 1. a substrate; 2. an impactor assembly; 3. an impactor single body; 4. a drill bit; 5. a first joint; 6. a clamping hole; 7. a boss portion; 8. a first vent hole; 9. a second vent hole; 10. an arc-shaped ring groove; 11. an upper flange; 12. a threaded hole; 13. a gasket; 14. an air flow groove; 15. a slag discharge groove; 16. a screw assembly; 20. a first central aperture; 21. a second central aperture; 31. a check valve; 32. a gas distribution base; 33. a piston; 34. a first air chamber; 35. a second air chamber.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships, and are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

As shown in figures 1 to 7, the utility model provides an impact device, which comprises a base body 1, at least two impactor components 2 are bound in the base body 1, each impactor component 2 comprises an impactor single body 3 arranged in the base body 1, one end of each impactor single body 3 is connected with a drill bit 4, the other end of each impactor single body is provided with a first joint 5, the upper end of each impactor single body 3 is fixed on the base body 1 through a screw by the first joint 5, so that the impactor single body 3 and the drill bit 4 cannot fall off from the base body 1 in the construction process, meanwhile, a clamping structure is arranged on each impactor single body 3, a clamping hole 6 is arranged in the base body 1, the lower end of each impactor single body 3 is matched with the clamping hole 6 in the base body 1, and through the design, the impactor single body 3 and the base body 1 are fixed in position, so that the impactor single body 3 and the drill bit 4 are not easy to fall off from the impact device during construction, the damage of the impact device is avoided, and the reliability and the safety of drilling construction are ensured.

As shown in fig. 3 and 4, the clamping structure includes a protrusion 7 disposed on the impactor body 3, and the protrusion 7 is clamped with the clamping hole 6. When the impact device is at the during operation, when 4 drill bits of 3 lower extremes of impacter monomer strike the stratum, the stratum produces reverse impact force to drill bit 4 and impacter monomer 3, bellying 7 cooperatees with joint hole 6, the upper end and the 6 top surface contact in joint hole of bellying 7, the shifting up of impacter monomer 3 has been restricted to 6 top surfaces in joint hole, reduced the impact force of impacter monomer 3 to first joint 5, reduced the atress wearing and tearing of first joint 5, improve the life of first joint 5.

The protruding portion 7 is a polygon, and the polygon may be a triangle, a quadrangle, a penta-deformation, a hexagon, etc., and the polygon may all play a role in limiting the impactor body 3, which is not specifically limited herein.

Further, as shown in fig. 1 and 6, the base 1 includes an upper flange 11, the first connector 5 is engaged with the upper flange 11, and the first connector 5 is fixed to the upper flange 11 by a screw assembly 16. Through last flange 11, adopt screw subassembly 16 to make impacter monomer 3 fix on last flange 11, and simultaneously, the high-pressure gas generating device who is connected with the percussion device, input high-pressure gas to last flange 11, the rethread flange 11 distributes to each impacter monomer 3, high-pressure gas makes drill bit 4 of impacter monomer 3 lower extreme strike the rock, meanwhile, external power component connects percussion device, make percussion device rotatory, and then it is rotatory simultaneously to drive impacter monomer 3 and drill bit 4 of base member 1 and base member 1 inside, make the rock receive impact force and rotatory cutting force, reach the broken purpose of rock, accomplish major possession hole drilling construction work.

As shown in fig. 3 and 5, a threaded hole 12 is formed in the first joint 5, and the screw assembly 16 includes a bolt that is engaged with the threaded hole 12 and a washer 13 that allows the bolt to pass through, and the washer 13 abuts against the upper end surface of the adapter 11. The bolt is connected with the threaded hole 12 in a threaded manner, so that the first joint 5, the impactor body 3 and the drill bit 4 are fixed on the upper flange 11, and the gasket 13 is arranged to prevent the bolt from loosening and facilitate the detachment of the first joint 5, the impactor body 3 and the drill bit 4 from the upper flange 11.

Further, as shown in fig. 5 and 6, a first vent hole 8 is provided in an axial direction perpendicular to the first joint 5; one end of the first vent hole 8 is communicated with a first central hole 20 on the first joint 5, and the other end of the first vent hole 8 is communicated with a second vent hole 9 in the upper receiving disc 11; the first center hole 20 communicates with a second center hole 21 provided inside the impactor element 3. When high-pressure gas is input into the central hole of the upper connecting disc 11, the second vent hole 9 is perpendicular to the central hole of the upper connecting disc 11, the high-pressure gas flows to the second vent hole 9 from the central hole of the upper connecting disc 11, then enters the first vent hole 8, then enters the first central hole 20 on the first connector 5, and finally enters the second central hole 21 inside the impactor single body 3 from the first central hole 20, so that through the airflow distribution structure, the high-pressure gas is divided through the second vent hole 9 and distributed to each impactor single body 3, the high-pressure gas entering the impactor single body 3 is converted into kinetic energy to impact the drill bit 4, and the purpose of breaking rocks is achieved.

The lower end of the base body 1 is provided with an airflow groove 14, the airflow groove 14 is communicated with the second central hole 21, and the airflow groove 14 is communicated with a slag discharge groove 15 arranged in the base body 1, so that rock slag is discharged from the slag discharge groove 15.

The utility model provides an impact device has the difference of work essence with traditional binding type impacter, and traditional binding type impacter is to turn into kinetic energy with high-pressure gas, and behind the garrulous rock was hit to percussion bit 4, discharge in the impacter again, will hit garrulous rock and blow all around to the impacter, is collected the garrulous rock by catching the dirt device again. According to the impact device provided by the application, the airflow groove 14 is arranged at the lower end of the base body 1, the airflow groove 14 is communicated with the second center hole 21, high-pressure gas flows to the airflow groove 14 through the second center hole 21, the high-pressure gas flows to the slag discharge groove 15 in the base body 1 through the airflow groove 14, the high-pressure gas is accumulated in the airflow groove 14 after being blown out from the impact device single body 3, the side wall of the airflow groove 14 is in arc-shaped smooth connection, the discharged high-pressure gas forms cyclone in the airflow groove 14, the cyclone drives crushed rocks to move into the slag discharge groove 15, and the slag discharge groove 15 is arranged in the base body 1, so that the whole slag is discharged from the interior of the impact device.

Further, the first joint 5 is circumferentially provided with an arc-shaped ring groove 10, and the arc-shaped ring groove 10 is communicated with the first vent hole 8.

When high-pressure gas reaches the impactor body 3 through each first vent hole 8, the gas flow circulates in the arc-shaped annular groove 10, preferably, a plurality of first vent holes 8 are arranged, so that the gas flow enters each first vent hole 8 after flowing in the arc-shaped annular groove 10, compared with the design that only one first vent hole 8 is arranged, the flow speed of the high-pressure gas to the central hole of the impactor body 3 is improved, meanwhile, because the high-pressure gas has certain pressure and is high in flow speed, when only one first vent hole 8 is arranged, the high-pressure gas cannot rapidly enter the impactor body 3 to be converted into kinetic energy and accumulates near the first joint 5, the pressure load borne by the first joint 5 is increased, the first joint 5 is easy to deform, therefore, the speed of the high-pressure gas reaching the impactor body 3 is increased by arranging a plurality of first vent holes 8, the first joint 5 can be prevented from being deformed due to stress, and the service life of the first joint 5 is prolonged.

Specifically, the impactor body 3 includes, one end and the check valve 31 of first centre bore 20 complex, the air distribution seat 32 that leans on with the check valve 31 other end, piston 33 with air distribution seat 32 matched with, locate the first air chamber 34 between piston 33 and the air distribution seat 32, locate the second air chamber 35 of piston 33 and 4 tip of drill bit, change through the atmospheric pressure in first air chamber 34 and the second air chamber 35 to realize piston 33 up-and-down reciprocating motion, and then strike drill bit 4, make drill bit 4 strike the stratum. How the high-pressure gas enters the impactor body 3 to impact the rock formation is specifically, at the beginning, the check valve 31 is matched with the first central hole 20 of the first joint 5, the high-pressure gas of the drilling machine is distributed to flow to each first joint 5 through the upper joint and the upper connecting disc 11 and then flows to the first central hole 20, the high-pressure gas acts on the check valve 31 to apply pressure to the check valve 31, the check valve 31 moves downwards, so that the check valve 31 is not matched with the first central hole 20, because one end of the check valve 31 is abutted against the gas distribution seat 32, when the high-pressure gas reaches the second gas chamber 35, the gas pressure in the second gas chamber 35 is greater than the gas pressure in the first gas chamber 34, the piston 33 is pushed to move upwards, when the piston 33 moves to the gas distribution seat 32 and is matched, the gas pressure in the first gas chamber 34 is increased, at the moment, the gas pressure in the first gas chamber 34 is greater than the gas pressure in the second gas chamber 35, the gas pressure in the first gas, the end of the piston 33 applies an impact force to the end of the drill bit 4 and the drill bit 4 performs an impact motion downward.

To further illustrate the working principle of the present application, reference will now be made to the preferred embodiments:

the utility model provides an impact device, including base member 1, be used for binding two at least impacter subassemblies 2, every impacter subassembly 2 is including setting up impacter monomer 3 in base member 1 inside, 3 one ends of impacter monomer are provided with detachable drill bit 4, the other end is equipped with first joint 5, fix impacter monomer 3 on base member 1 through first joint 5 and screw, all be equipped with the joint structure on 3 outer walls of every impacter monomer, this joint structure cooperatees with joint hole 6 in the base member 1, cooperate through joint structure and 6 looks joints in joint hole, impacter monomer 3 is difficult to drop from base member 1, impact device's damage has been avoided, ensure the reliability and the security of drilling construction. The card machine structure can be the bulge 7, and further the bulge 7 can be set to be polygonal, so that the bulge 7 is connected with the clamping hole 6 more firmly.

The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts in the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. An impact device comprising a base for binding at least two impactor components,

the impactor assembly includes an impactor body disposed within the base,

a drill bit detachably connected with one end of the impactor monomer,

a first joint connected with the other end of the impactor single body,

the first connector is fixed on the base body through a screw, a clamping structure is arranged on the impactor body, and the clamping structure is matched with a clamping hole in the base body.

2. The impact device of claim 1, wherein the snap-fit structure comprises,

locate the bellying on the impacter monomer, the bellying with joint hole joint.

3. The percussion device according to claim 2, wherein the lobes are polygonal.

4. The percussion device according to claim 1, wherein the base body comprises a top flange,

the first joint is matched with the upper flange,

the first joint is fixed with the upper flange through a screw assembly.

5. Percussion device according to claim 4,

the first joint is provided with a threaded hole,

the screw assembly includes a threaded bolt that mates with a threaded bore,

and the gasket is used for enabling the bolt to penetrate through and abuts against the upper end face of the upper flange.

6. The percussion device according to claim 4, including a first vent hole disposed axially perpendicular to the first connector;

one end of the first vent hole is communicated with a first central hole in the first joint, and the other end of the first vent hole is communicated with a second vent hole in the upper receiving disc;

the first center hole is communicated with a second center hole arranged in the impactor single body.

7. Percussion device according to claim 6,

an airflow groove is arranged at the lower end part of the base body and is communicated with the second central hole,

and the airflow groove is communicated with a slag discharge groove arranged in the base body so as to discharge rock slag from the slag discharge groove.

8. Percussion device according to claim 6,

the first joint is circumferentially provided with an arc-shaped annular groove, and the arc-shaped annular groove is communicated with the first vent hole.

9. Percussion device according to claim 6,

the impactor body comprises a check valve with one end matched with the first central hole,

a gas distribution seat which is abutted against the other end of the check valve,

a piston which is matched with the air distribution seat,

a first air chamber arranged between the piston and the air distribution seat,

a second air chamber arranged at the piston and the end part of the drill bit,

the piston reciprocates up and down through the change of the air pressure in the first air chamber and the second air chamber, and then impacts the drill bit, so that the drill bit impacts the rock stratum.

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