KR20230096749A - Impact Drill and Chisel for shoveling - Google Patents

Abstract

In the present invention, disclosed are an impact drill and a chisel for facilitating shoveling when digging a hole narrow in diameter and deep in depth. The present invention provides a chisel having a shoveling function and an impact drill using the same, wherein the chisel is coupled to the impact drill and makes a sliding movement, the chisel is divided into an upper chisel and a lower chisel, and a variable fixing part is provided in a portion where the upper chisel and the lower chisel meet to adjust and fix the angle formed by the upper chisel and the lower chisel.

Description

Impact drill and chisel for shoveling}

The present invention relates to a shoveling combined impact machine and a chisel, and more particularly, to an impact drill and a chisel that facilitate shoveling when digging a hole with a narrow diameter and a deep depth while crushing a rock with the impact drill.

As is well known, an excavator using a screw-type drilling bit is used when forming a hole with a narrow diameter and a large depth in the ground. As a representative example, Republic of Korea Patent Registration No. 10-1453726 (title of invention: video data wireless transmission device and excavation screw equipped with a camera for checking underground facilities formed with pipes for supplying power and compressed air; hereinafter referred to as 'cited invention' ), and as shown in FIG. 1, it is possible to excavate by mounting the excavation pipe 30 with the screw blade 40 formed on the excavation equipment, but it is relatively bulky and heavy compared to manual tools such as shovels, and the operator There is a problem that it is difficult to operate because it must learn a separate operation method, and in many cases, there is a problem that it cannot be used because it may require excavation in an inaccessible place.

In addition, when digging a hole with a narrow diameter and a deep depth using a conventional shovel 10, as illustrated in FIG. 2, the more the hole is dug, the shovel 10 goes into the hole together, and the width of the hole There is a problem in that the shovel handle interferes with the entrance of the hole or the inner wall of the hole, making it difficult to shovel when digging up the soil of the hole with the shovel 10 because it is narrow and deep.

Moreover, since the principle of a lever is applied to shoveling, as the fulcrum (Sp) of this shovel (10) is excavated, as the shovel (10) enters the hole, the upper part of the shovel handle is supported at the entrance of the hole, so this fulcrum (Sp) 10), so that the conventional shovel 10 becomes more difficult to excavate because the deeper the hole to dig, the closer the fulcrum Sp becomes to the power point Fp, which is the handle.

Republic of Korea Patent Registration No. 10-1453726

An object of the present invention is to provide a shovel combined striker and a chisel so that the fulcrum of the shovel is kept constant when digging a narrow and deep hole in the ground in order to solve this problem.

In order to achieve this object, the present invention comprises a chisel that is detachable from the impactor, and the chisel is divided into an upper chisel and a lower chisel, and is fixed by adjusting the angle formed by the upper and lower chisels at the part where the upper and lower chisels meet. This is done by providing a shoveling combined chisel configured with a variable fixing part.

In addition, in the present invention, in a striking device operated by either a motor or hydraulic pressure, a chisel that is detachable from the striking device is configured, and the chisel is divided into an upper chisel and a lower chisel, and the upper chisel is located where the upper chisel and the lower chisel meet. A variable fixing unit for adjusting and fixing the angle formed by the lower chisel and the variable fixing unit is configured, and a lever for operating a sliding pole for fixing the angle of the variable fixing unit is configured on the handle of the striking machine.

In this way, the present invention drives the chisel into the ground with a striker according to the operation of the variable fixing part that adjusts and fixes the angle formed by the upper and lower chisel, scoops out the soil like a shovel, and digs a narrow and deep hole in the ground. When the impactor or chisel is not supported at the entrance of the hole dug, and the variable fixing part continuously becomes the fulcrum, the fulcrum and the force point do not come close, so there is a useful effect of easily digging a narrow and deep hole.

1 is a configuration diagram showing the configuration of the cited invention;
Fig. 2 is an explanatory diagram showing problems when digging a narrow and deep hole with a conventional shovel;
Figure 3 is a configuration diagram showing a specific embodiment of the shoveling combined striker and chisel according to the present invention.
Figure 4 is an enlarged view showing a specific specific embodiment of the shoveling combined chisel according to the present invention.
Figure 5 is an explanatory view illustrating the operation of the shoveling combined chisel according to the present invention.

Referring to the accompanying drawings, the embodiments of the present invention will be described in detail so that those skilled in the art can easily practice the present invention.

The overall configuration of a specific embodiment of the shoveling combined impact machine and chisel according to the present invention is shown in FIGS. 3 and 4.

As can be seen from this, the present invention is a chisel mounted on a striking machine 100 operated by any one of a motor and hydraulic pressure,

A chisel that is coupled to the percussion machine 100 and slides is configured. The chisel is divided into an upper chisel 200 and a lower chisel 300, and the upper chisel 200 and the lower chisel 300 meet. A variable fixing part 400 for adjusting and fixing an angle between the 200 and the lower chisel 300 may be configured.

In addition, the shoveling combined striker 100 according to the present invention is equipped with a chisel, the chisel is divided into an upper chisel 200 and a lower chisel 300, and the upper chisel 200 and the lower chisel 300 meet A variable fixing part 400 may be configured to adjust and fix the angle between the chisel 200 and the lower chisel 300,

The lever 110 for operating the sliding pole 411 for fixing the angle of the variable fixing part 400 may be configured in at least one part of the impactor 100 and the chisel.

If this is explained in more detail for each component, as shown in FIGS. 3 and 4, the chisel may be composed of an upper chisel 200, a lower chisel 300, and a variable fixing part 400, and the upper The chisel 200 may be configured with an adapter 210 mounted on the impactor 100 on one side and a blow transfer unit 220 for transmitting the impact force generated by the impactor 100 on the other side, and the upper chisel 200 The length can be varied by folding, and the lower chisel 300 has a blow transmission part 320 that receives the hitting force of the impact machine 100 from the blow transmission part 220 of the upper chisel 200 on one side, and the other end The blade 310 may be provided.

As illustrated in the enlarged view shown in FIG. 4, the variable fixing part 400 has an upper connection part 410 to which the upper chisel 200 is connected, a lower connection part 420 to which the lower chisel 300 is connected, The gear part 421 formed on the lower connection part 420, the sliding pole 411 formed on the upper connection part 410, and the upper connection part 420 around the lower connection part 420 Rotational shaft ( 430) may be configured, and when the sliding pole 411 is inserted into one or both ends of the gear part 421, the upper chisel 200 and the lower chisel 300 are fixed so that they are not tilted in any direction. A groove 422 may be provided.

In addition, when the upper connection part 410 and the lower connection part 420 are in a straight line, the upper connection part 410 and the lower connection part 420 are the upper chisel ( 200) and the lower chisel 300 can be connected so that they come into contact, so that when the impact machine 100 operates, the blow applied to the upper chisel 200 is directly transmitted to the lower chisel 300 to crush rocks and the like,

The variable fixing part 400 does not fix the upper chisel 200 in the direction of inclination to one side while the lower chisel 300 is embedded in the ground, etc., and selectively blocks the expansion to the other side. ), when digging a narrow and deep hole in the ground by driving a chisel into the ground and scooping out soil like a shovel, the impactor 100 or a part of the chisel is not supported at the entrance of the hole dug and the variable fixing part 400 is Since the fulcrum point Sp continuously becomes the fulcrum point Sp and the power point Fp corresponding to the handle of the striker 100 do not come close to each other, it is possible to easily dig a narrow and deep hole.

That is, as illustrated in FIGS. 4 and 5, the variable fixing part 400 of the shoveling combined chisel mounted on the striker 100 is the striker 100 or the upper chisel while the lower chisel 300 is embedded in the floor. When force is applied in the direction of inclining the 200 to one side, the rotating upper connection portion 410 and the non-rotating lower connection portion 420 are coupled to the rotating shaft 430,

The lower connection part 420 is provided with a gear part 421 and the upper connection part 410 is provided with a sliding pole 411, so that when force is applied in the tilting direction, the sliding pole 411 of the upper connection part 410 is the lower connection part It goes over the gear part 421 of 420, but when force is applied in the opposite direction, the sliding pole 411 is caught on the gear part 421 so that the upper chisel 200 and the lower chisel 300 are in a straight line It can block unfolding, so when force is applied in the unfolding direction, the force is transmitted to the lower chisel 300, so the variable fixing part 400 serves as a fulcrum (Sp) so that the lower chisel 300 scoops up soil It will be.

Here, the sliding pole 411 is operated in a direction protruding toward the gear part 421 by the elastic body 412, and the sliding pole 411 is attached to at least one of the striking device 100 and the upper chisel 200. The lever 110 can be configured to separate from the gear part 421, so that after the lower chisel 300 scoops up the soil, the lever 110 is operated to separate the sliding pole 411 from the gear part 421 The upper chisel 200 and the lower chisel 300 can be unfolded so that they are in a straight line. It is preferable to be configured so that the striking operation of the striking device 100 can be performed only when it is straight and in direct contact, and the elastic body 412 is not limited to having an elastic action such as a spring, and the sliding pole 411 Anything may be used as long as it is operated in a direction protruding into the gear unit 421 .

Here, the sensor monitors the state in which the upper chisel 200 and the lower chisel 300 are straight and in direct contact, or the sliding pole 411 of the upper connection part 410 rides the gear mountain of the inclined gear part 421 It may be to detect the crossing and cut off the power of the striker 100 or turn off the operation switch of the striker 100.

In addition, in the variable fixing part 400, the gear part 421 of the lower connection part 420 is configured as a double, and the sliding pole 411 of the upper connection part 410 is configured as a double gear unit 421 simultaneously. Prevents twisting of the variable fixing part 400 as it operates, and when the sliding pole 411 is caught on the gear part 421 and the variable fixing part 400 functions as a support point Sp, the force received by the support point Sp It may be to evenly distribute to the double gear unit 421 to enable a stable fulcrum (Sp) function.

In the present invention, when excavating a narrow and deep hole in the ground, the upper chisel 200 and the lower chisel 300 are spread in a straight line and in direct contact with the ground to be excavated, the blade 310 of the lower chisel 300 is driven into After operating the percussion machine 100, when the percussion machine 100 is tilted toward one side, the upper chisel 200 and the variable fixing part 400 have an upper chisel 200 centered on the rotating shaft 430 of the variable fixing part 400 (410) While rotating, only the upper chisel 200 is tilted together with the impactor 100 while the lower chisel 300 is embedded in the ground, and when the impactor 100 is moved so that the upper chisel 200 is spread to the other side in the opposite direction, variable The sliding pole 411 configured in the upper connection part 410 of the fixing part 400 is coupled with the gear part 421 of the lower connection part 420, and the force applied in the direction of spreading is lower chisel through the variable fixing part 400 300, and as the lower chisel 300 scoops out the soil, the variable fixing part 400 becomes the fulcrum Sp of the lever principle, and after scooping out the soil from the hole in this way, the lever 110 In the state in which the sliding pole 411 is separated from the gear part 421 by operating it, the upper chisel 200 and the lower chisel 300 are spread out so that they are in a straight line again, and the upper chisel 200 and the With the blow delivery parts 220 and 320 of the lower chisel 300 connected, the blade 310 of the lower chisel 300 is driven into the ground again in the hole and the process of digging is repeated, even if the chisel goes deep into the ground. As the dirt can be scooped out, the variable fixing part 400 is maintained as a fixed support point Sp, so that the support point Sp and the power point Fp do not come close, so that a narrow and deep hole can be easily dug.

In addition, the variable fixing part 400 can be formed with a fixing groove 422 to fix it so that it does not go over to one side when the sliding pole 411 is inserted at one or both ends of the gear part 421, so that when transporting and storing the chisel It may be to ensure that the chisel can be maintained in a fixed state so that it can be transported and stored stably, and it can be stably used even for work as a normal striking machine (100), not for scooping out deep and narrow hole soil, The upper connection part 410 and the lower connection part 420 of the variable fixing part 400 may be configured such that the upper chisel 200 and the lower chisel 300 are detachable, respectively. It can be replaced with a blade with a pointed end like an awl.

In the above, the technical idea of the present invention has been described together with the accompanying drawings, but this is an illustrative description of the best embodiment of the present invention, not limiting the present invention, and those skilled in the art It is a clear fact that anyone can make various modifications and imitations such as dimensions, shapes, and structures without departing from the scope of the technical idea of the present invention, and such modifications and imitations are included in the scope of the technical idea of the present invention.

100: striker 110: lever 200: upper chisel
210: adapter 220: blow transmission part 300: lower chisel
310: blade part 320: blow transmission part 400: variable fixing part
410: phase connection part 411: sliding pole 412: elastic body
420: lower connection part 421: gear part 422: fixed groove
430: axis of rotation Fp: force point Sp: fulcrum point

Claims (6)

A chisel that is detachable from the impactor is configured, and the chisel is divided into an upper chisel and a lower chisel, and a variable fixing part is configured to adjust and fix the angle formed by the upper chisel and the lower chisel at the part where the upper chisel and the lower chisel meet. Combined shoveling chisel. According to claim 1,
The variable fixing part includes an upper connection part to which the upper chisel is connected, a lower connection part to which the lower chisel is connected, a gear part formed in the lower connection part, a sliding pole formed in the upper connection part, and an upper connection part centered on the lower connection part. A shoveling combined chisel, characterized in that the rotating shaft is configured. According to claim 1,
The variable fixing part consists of an upper connection part to which the upper chisel is connected and a lower connection part to which the lower chisel is connected, and the upper connection part and the lower connection part are connected so that the upper chisel and the lower chisel come into contact. According to claim 1,
The variable fixing part is a shoveling combined chisel, characterized in that for selectively blocking the expansion to the other side without fixing the upper chisel in a direction inclining to one side in a state in which the lower chisel is embedded. According to claim 1,
The upper chisel is a shoveling combined chisel, characterized in that the adapter is configured to fix the chisel to the striker. In a striking machine operated by any one of a motor and hydraulic pressure,
A chisel that is detachable from the striking machine is configured, and the chisel is divided into an upper chisel and a lower chisel, and a variable fixing part is configured to adjust and fix the angle formed by the upper chisel and the lower chisel at the part where the upper chisel and the lower chisel meet,
A shoveling combined impact machine, characterized in that a lever for operating a sliding pole for fixing the angle of the variable fixing part is configured to at least one of the impact machine and the chisel.

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