CN218624069U - Square groove punching device - Google Patents

Abstract

The utility model relates to an impacter equipment technical field especially relates to an open square groove impacter, and this open square groove impacter includes: the device comprises a square cylinder, an air inlet joint, a first fixing plate, a second fixing plate, a sealing plate and a plurality of sub down-the-hole hammers; according to the impactor, compressed gas is input from the gas inlet joint to enter the gas inlet chamber and then flows into each sub down-the-hole hammer from the gas inlet chamber, so that the down-the-hole hammers impact and drill holes together; a plurality of sub down-the-hole hammers are uniformly distributed in the outline of the square barrel in a horizontal row and vertical row mode, so that the sub down-the-hole hammers are favorably used for impacting and drilling holes together to form square slotted holes, and square-slotted hole drilling is realized; the broken slag rocks impacted by the sub down-the-hole hammer are discharged through a slag discharge hole of the first fixing plate and a slag discharge pipeline in the square cylinder.

Description

Square groove punching device

Technical Field

The application mainly relates to the technical field of impactor equipment, in particular to an impactor with a square groove.

Background

The hammer is generally applied to drilling and reaming operations, the drilling of holes is realized by using a drilling machine to perform rotary motion in the current down-the-hole hammer, and the drilled hole channels are all circular hole channels, which is shown in figure 1; when the square groove channel shown in fig. 2 needs to be drilled, the drilling mode is shown in fig. 3 by using the conventional circular down-the-hole hammer drilling operation, and after multiple times of external circular impact, multiple times of trimming treatment are carried out, so that the drilling efficiency is low and the drilling cost is high. Therefore, there is a great need in the art to design an impactor with a square groove.

SUMMERY OF THE UTILITY MODEL

The utility model provides a square groove impacter realizes the operation of creeping into of square slotted hole way.

The utility model provides a technical scheme as follows:

an open-square slot impactor comprising: the device comprises a square cylinder, an air inlet joint, a first fixing plate, a second fixing plate, a sealing plate and a plurality of sub down-the-hole hammers;

the first fixing plate is connected to one end of the square cylinder; the second fixing plate is connected to the other end of the square cylinder;

the sealing plate is arranged in the square cylinder body close to the second fixing plate, an air inlet chamber is formed between the sealing plate and the second fixing plate,

the air inlet joint is arranged on the second fixing plate and communicated with the air inlet chamber;

a plurality of sub down-the-hole hammers are uniformly distributed in the outline of the square cylinder in a horizontal row and vertical column mode, the drill bit crushing ends of the sub down-the-hole hammers extend out of the first fixing plate at the end part of the square cylinder, and the air inlet ends of the sub down-the-hole hammers extend to the air inlet chamber;

the first fixing plate is also provided with a slag discharging through hole, a slag discharging pipeline is arranged in the square barrel, one end of the slag discharging pipeline is connected to the slag discharging through hole of the first fixing plate, and the other end of the slag discharging pipeline penetrates out of the second fixing plate.

Furthermore, a square sealing ring is arranged at the end, close to the outer wall of the square cylinder body of the first fixing plate, of the square cylinder body.

Further, the seal ring is made of wear-resistant material, and the wear-resistant material is one of hard alloy and tungsten carbide.

Furthermore, alloy teeth for crushing are arranged at the gap of the first fixing plate between the sub down-the-hole hammers.

Further, the impactor of the present application further comprises: the guide cylinder body has the same structure as the square cylinder body; the guide cylinder body is in butt joint with one end of the square cylinder body, the butt joint of the guide cylinder body prolongs the axial length dimension of the square cylinder body, and the guide cylinder body is used for drilling and guiding.

Furthermore, one of the square cylinder and the guide cylinder is provided with a butt joint clamping groove, the other of the square cylinder and the guide cylinder is provided with a butt joint lug, and the lug is connected with the clamping groove in a matched mode.

Furthermore, the drill bit of the sub down-the-hole hammer comprises a drill bit head and a drill bit tail handle which are connected, and the sub down-the-hole hammer is characterized in that the drill bit tail handle is arranged without splines and is provided with a spiral vent groove; the end face of the drill bit head is provided with alloy teeth for crushing.

Furthermore, a clamping ring and a caliper sleeve are arranged at one end of the cylinder body of the sub down-the-hole hammer; the drill tail handle is fixed at one end of the cylinder body through a clamping ring and a caliper sleeve.

Has the advantages that:

according to the square-groove hammer, compressed gas is input from the gas inlet joint to enter the gas inlet chamber and then flows into each sub down-the-hole hammer from the gas inlet chamber, so that the hammer is favorable for impacting and drilling holes together; a plurality of sub down-the-hole hammers are uniformly distributed in the outline of the square barrel in a horizontal row and vertical column mode, so that the sub down-the-hole hammers can impact and drill holes together to form square slotted holes, and square-slotted drilling is realized; the broken slag stone impacted by the sub down-the-hole hammer is discharged through the slag discharge hole of the first fixing plate and a slag discharge pipeline in the square cylinder. In addition, alloy teeth for crushing are arranged at the gap of the first fixing plate between the sub down-the-hole hammers, so that rocks at the gap between the drill bits of the sub down-the-hole hammers can be crushed, the tail handles of the drill bits are provided with spiral vent grooves, compressed gas in the gas inlet chambers flows to the drill bits, the drill bits can do circular motion, and the drilling efficiency is effectively improved; the drill bit tail handle is not provided with splines, so that the strength of the drill bit tail handle is improved, and the risk of breakage of the drill bit from the tail handle is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below 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 circular slot opening of a conventional down-the-hole impactor;

FIG. 2 is a schematic view of a conventional down-the-hole impactor with square slots;

FIG. 3 shows a square slot of the target;

fig. 4 is a schematic structural view of the square groove impactor of the present invention;

FIG. 5 is a schematic side view of FIG. 4;

FIG. 6 is a schematic view of the bit structure of the neutron down-the-hole hammer of FIG. 4;

fig. 7 is a schematic view of a square groove drilling hole of the square groove impactor of the invention;

reference numerals are as follows: 10. the gas inlet joint, 20, the square cylinder, 30, the square sealing ring, 40, the first fixing plate, 41, the slag discharging through hole, 42, the slag discharging pipeline, 50, the alloy tooth, 60, the guide cylinder, 70, the sub down-the-hole hammer, 71, the drill bit, 711, the drill bit head, 712, the drill bit tail shank, 713 and the spiral vent groove.

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, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all 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.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" or "a plurality" means two or more unless specifically limited otherwise.

It should be understood that the structures, ratios, sizes, etc. shown in the drawings are only used for matching the disclosure of the present disclosure to be understood and read by those skilled in the art, and are not used to limit the practical limitations of the present disclosure, so that the modifications of the structures, the changes of the ratio relationships, or the adjustments of the sizes, should not be within the scope of the disclosure of the present disclosure without affecting the efficacy and the achievable purpose of the present disclosure.

As shown in fig. 4-7, an embodiment of the present invention provides an impact device with a square groove, including: a square cylinder 20, an air inlet joint 10, a first fixing plate 40, a second fixing plate, a sealing plate and a multi-piece down-the-hole hammer 70; the first fixing plate is connected to one end of the square cylinder; the second fixing plate is connected to the other end of the square cylinder; the sealing plate is arranged in the square cylinder body close to the second fixing plate, and an air inlet chamber is formed between the sealing plate and the second fixing plate; the air inlet joint is arranged on the second fixing plate and communicated with the air inlet chamber; a plurality of sub down-the-hole hammers are uniformly distributed in the outline of the square cylinder in a horizontal row and vertical column mode, the drill bit crushing ends of the sub down-the-hole hammers extend out of the first fixing plate at the end part of the square cylinder, and the air inlet ends of the sub down-the-hole hammers extend to the air inlet chamber; the first fixing plate 40 is further provided with a slag discharge through hole 41, a slag discharge pipeline 42 is arranged in the square cylinder, one end of the slag discharge pipeline is connected to the slag discharge through hole of the first fixing plate, and the other end of the slag discharge pipeline penetrates out of the second fixing plate.

In the scheme, compressed gas is input from the gas inlet joint, enters the gas inlet chamber and then flows into each sub down-the-hole hammer from the gas inlet chamber, so that the down-the-hole hammers can impact and drill holes together; a plurality of sub down-the-hole hammers are uniformly distributed in the outline of the square barrel in a horizontal row and vertical row mode, so that the sub down-the-hole hammers are favorably used for impacting and drilling holes together to form square slotted holes, and square-slotted hole drilling is realized; the broken slag stone impacted by the sub down-the-hole hammer is discharged through the slag discharge hole of the first fixing plate and a slag discharge pipeline in the square cylinder.

The plurality of sub down-the-hole hammers are uniformly distributed in the outline of the square cylinder in a horizontal row and vertical column mode; wherein, the plurality of sub down-the-hole hammers have a plurality of fingers of two or more; the arrangement of the plurality of sub-down-the-hole hammers comprises: a single row arrangement, a single column arrangement, and a combination of row and column arrangements. Referring to fig. 5, in the present embodiment, there are nine sub-down-the-hole hammers, and the nine sub-down-the-hole hammers are uniformly arranged in the form of 3*3 rows and columns.

In a preferred embodiment, a square sealing ring 30 is arranged at the end of the outer wall of the square cylinder body close to the first fixing plate. More preferably, the seal ring is made of a wear-resistant material, and the wear-resistant material is one of cemented carbide and tungsten carbide. In the scheme, the sealing ring at the outer end of the square cylinder body is attached and sealed with the hole rock wall, so that a sealed space is formed at the front end of the square cylinder body, rock slag crushed at the front end of the drill bit can flow to the slag discharge hole along with discharged high-pressure gas (compressed gas), and the rock slag is discharged from the slag discharge hole and a slag discharge pipeline; meanwhile, the sealing ring made of the wear-resistant material has good wear resistance and effectively prolongs the service life.

As a preferred embodiment, the impactor of the present application further comprises: a guide cylinder 60 having the same structure as the square cylinder; the guide cylinder body is butted at one end of the square cylinder body and used for prolonging the length dimension of the whole square cylinder body in the axial direction. When the drill hole is deeper, the extended square barrel can be matched with the deep hole, so that the hole is not easy to incline, and the straightness of the drilled hole is ensured.

Preferably, one of the square cylinder and the guide cylinder is provided with a butt joint clamping groove, the other of the square cylinder and the guide cylinder is provided with a butt joint lug, and the lug is connected with the clamping groove in a matched mode. This detachable construction's design when making things convenient for the transportation of impacter, does benefit to the direction barrel and assembles at any time.

As a preferred embodiment, the alloy teeth 50 for crushing are arranged at the gap of the first fixing plate between the sub down-the-hole hammers, so that the rock at the gap between the drill bits of the sub down-the-hole hammers can be crushed, the drilling efficiency is improved, and the drilled holes are square-groove-shaped holes. More preferably, the drill bit 71 of the sub down-the-hole hammer 70 comprises a drill bit head 711 and a drill bit tail shank 712 which are connected, alloy teeth for crushing are arranged on the end face of the drill bit head, and a clamping ring and a caliper sleeve are arranged at one end of a cylinder body of the sub down-the-hole hammer; the drill tail handle is fixed at one end of the cylinder body through a clamping ring and a caliper sleeve; the tail handle of the drill bit is not provided with a spline, and the tail handle of the drill bit is provided with a spiral vent groove 713, so that compressed gas in the gas inlet chamber flows to the drill bit, the drill bit can do circular motion, and the drilling and crushing efficiency is improved; meanwhile, the drill bit tail shank is of a spline-free structure, so that the strength of the drill bit tail shank is improved, and the risk of fracture of the drill bit from the tail shank is reduced.

The utility model provides an air inlet joint prefers the hexagonal and connects, and the hexagonal connects and is equipped with the bolt hole groove of connecting usefulness, and the hexagonal connects the connected mode with the bolt, does benefit to the dismouting of impacter.

Referring to fig. 4, 6 and 7, the working scheme of the impactor of the present application: high-pressure gas is input into a gas inlet joint with a quick-change hexagonal bolt, enters a gas inlet chamber inside and then enters each sub-down-the-hole hammer in the square barrel, so that the sub-down-the-hole hammers rock, the rock is crushed, a sealing ring forms a closed space in a drilled bottom hole, the sub-down-the-hole hammers generate high-pressure gas during rock drilling, and high-pressure gas discharged by rock slag along with the work of the sub-down-the-hole hammers enters a slag discharge hole and then enters a slag discharge pipe to be discharged; the square cylinder does not do circular motion, but the drill bit of the sub down-the-hole hammer can do circular motion under high-pressure gas due to the design of non-spline connection and the spiral vent grooves, and alloy teeth are arranged on a first fixing plate of a gap between the sub down-the-hole hammers, so that the rock drilling speed of the impactor is increased, and meanwhile, a hole drilled by impact is Fang Caoxing; in addition, along with the rising of drilling depth, this application is through setting up the whole length of direction barrel in order to prolong square barrel, and the square barrel adaptation deep hole of extension can make drilling be difficult to the slope to ensure the straightness accuracy of drilling the hole, the impacter of this application can realize the drilling of square groove of evolution, and a square groove of following the drilling can make up and form required target size square slotted hole, need not basically to repair the limit hole, great improvement work efficiency, reduce cost.

According to the impactor, compressed gas is input from the gas inlet joint, enters the gas inlet chamber and then flows into each sub down-the-hole hammer from the gas inlet chamber, so that the down-the-hole hammers impact and drill holes together; a plurality of sub down-the-hole hammers are uniformly distributed in the outline of the square barrel in a horizontal row and vertical row mode, so that the sub down-the-hole hammers are favorably used for impacting and drilling holes together to form square slotted holes, and square-slotted hole drilling is realized; the broken slag stone impacted by the sub down-the-hole hammer is discharged through the slag discharge hole of the first fixing plate and a slag discharge pipeline in the square cylinder. In addition, alloy teeth for crushing are arranged at the gap of the first fixing plate between the sub down-the-hole hammers, so that rocks at the gap between the drill bits of the sub down-the-hole hammers can be crushed conveniently, the tail handles of the drill bits are provided with spiral vent grooves, compressed gas in the gas inlet chambers flows to the drill bits, the drill bits can do circular motion, and the drilling efficiency is effectively improved; the drill bit tail handle is not provided with splines, so that the strength of the drill bit tail handle is improved, and the risk of breakage of the drill bit from the tail handle is reduced.

The sub-down-the-hole hammer is provided with a spiral vent groove and a spline-free structure, and the slag blowing channel and the slag blowing hole of the drill bit part in the sub-down-the-hole hammer are designed according to the prior art. Further, parts not described in detail in the present embodiment are provided with reference to the related art apparatus.

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 (8)

1. An open-square slot impactor, comprising: the device comprises a square cylinder, an air inlet joint, a first fixing plate, a second fixing plate, a sealing plate and a plurality of sub down-the-hole hammers;

the first fixing plate is connected to one end of the square cylinder; the second fixing plate is connected to the other end of the square cylinder;

the sealing plate is arranged in the square cylinder body close to the second fixing plate, an air inlet chamber is formed between the sealing plate and the second fixing plate,

the air inlet joint is arranged on the second fixing plate and communicated with the air inlet chamber;

a plurality of sub down-the-hole hammers are uniformly distributed in the outline of the square cylinder in a horizontal row and vertical column mode, the bit crushing ends of the sub down-the-hole hammers extend out of a first fixing plate at the end part of the square cylinder, and the air inlet ends of the sub down-the-hole hammers extend to the air inlet chamber;

the first fixing plate is also provided with a slag discharging through hole, a slag discharging pipeline is arranged in the square barrel, one end of the slag discharging pipeline is connected to the slag discharging through hole of the first fixing plate, and the other end of the slag discharging pipeline penetrates out of the second fixing plate.

2. The square groove impactor of claim 1, wherein the end of the outer wall of the square cylinder proximal to said first holding plate is provided with a square sealing ring.

3. The square groove impactor of claim 2, wherein the square seal ring is made of a wear resistant material, the wear resistant material being one of cemented carbide and tungsten carbide.

4. The square groove impactor as defined in claim 1, wherein the gap between the sub-down-the-hole hammers and the first retaining plate is provided with crushing alloy teeth.

5. The square trough impactor of any one of claims 1-4, comprising: the guide cylinder body is in the same structure as the square cylinder body, the guide cylinder body is in butt joint with one end of the square cylinder body, and the butt joint of the guide cylinder body prolongs the axial length size of the square cylinder body.

6. The square groove impactor as claimed in claim 5, wherein one of the square cylinder and the guide cylinder is provided with a butt-joint clamping groove, and the other of the square cylinder and the guide cylinder is provided with a butt-joint projection, and the projection is in fit connection with the clamping groove.

7. The square groove hammer according to any one of claims 1 to 4 or 6, wherein the drill bit of the sub-down-the-hole hammer comprises a drill bit head and a drill bit shank which are connected, wherein the drill bit shank is provided without splines, and the drill bit shank is provided with a spiral vent groove; the end face of the drill bit head is provided with alloy teeth for crushing.

8. The square groove impactor as defined in claim 7, wherein a snap ring and a caliper sleeve are provided in one end of the cylinder body of the sub-down-the-hole hammer; the drill tail handle is fixed at one end of the cylinder body through a clamping ring and a caliper sleeve.

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