CN212837606U - Quick rock drilling mechanism of coal rock roadway heading machine - Google Patents

Abstract

The utility model relates to a entry driving machine rock drilling mechanism technical field specifically is a quick rock drilling mechanism of coal rock roadway entry driving machine, the drilling rod of this rock drilling mechanism is fixed in stretching out of a hydraulic pump body and serves, the hydraulic pump body is connected on the entry driving machine through a slide, the equal parallel arrangement in both sides of drilling rod has the guide bar, be connected with one set of limiting plate of locating outside the drilling rod between the tip of two guide bars, the guide bar passes through the deflector and supports in the upper surface of slide, one side of guide bar is equipped with the slider of fixing at the guide bar tip, be fixed with the cover between slider and the guide bar and locate the outer spring of guide bar. The utility model discloses a but relative drilling rod slides and pivoted limiting plate and guide bar, with the shaking force transmission to the slide when the drill bit just contacts the rock wall and changes the hole on, reduce the vibration range of drilling rod, promote the stability of drilling rod to make things convenient for the drilling of drilling rod.

Description

Quick rock drilling mechanism of coal rock roadway heading machine

Technical Field

The utility model relates to a entry driving machine rock drilling mechanism technical field, in particular to quick rock drilling mechanism of coal petrography tunnelling machine.

Background

The heading machine is used for cutting a roadway on a flat ground, and the working mode is as follows: the rock breaking machine mainly comprises a travelling mechanism, a working mechanism, a loading and transporting mechanism and a transshipping mechanism, wherein the travelling mechanism is pushed forward, a cutting head in the working mechanism continuously breaks rocks and transports the broken rocks away, the rock breaking machine has the advantages of safety, high efficiency, good roadway quality and the like, and before the broken rocks of the cutting head are continuously broken, a rock drilling component is used for drilling the rocks firstly, internal textures of the rocks are broken, and the cutting head is broken more rapidly.

The inside drilling subassembly of entry driving machine utilizes the piston of the hydraulic cylinder of constantly assaulting, strikes the drill rod, and the drill rod passes through the adapter sleeve and drives the drilling rod rotation, and the drilling rod punches to the rock, when punching, the continuous propulsion of the propulsion cylinder of drilling subassembly bottom until the drilling rod submerges in the rock wall, but, the drilling rod begins the drilling stage at the contact rock stratum, and the length of drilling rod is longer, and the range of drilling rod vibrations when rotating is great, the punching of inconvenient drilling rod.

Therefore, it is necessary to improve the rock drilling mechanism of the heading machine to solve the existing problems.

Disclosure of Invention

The utility model aims at providing a quick rock drilling mechanism of coal petrography tunnelling machine transmits the method of slide department with the vibrations of drilling rod through limiting plate and guide bar, has solved the drilling rod when contacting the cliff, and the vibration range of drilling rod is great, the technical problem of inconvenient drilling rod drilling to reach the effect that makes things convenient for the drilling of drilling rod.

In order to achieve the above object, the utility model discloses a main technical scheme include:

the utility model provides a quick rock drilling mechanism of coal petrography tunnelling machine, this rock drilling mechanism's drilling rod is fixed in stretching out of a hydraulic pump body and serves, the hydraulic pump body is connected on the entry driving machine through a slide, the equal parallel arrangement in both sides of drilling rod has the guide bar, be connected with one set of limiting plate of locating outside the drilling rod between the tip of two guide bars, the guide bar passes through the deflector and supports in the upper surface of slide, one side of guide bar is equipped with the slider of fixing at the guide bar tip, be fixed with the cover between slider and the deflector and locate the outer spring of guide bar.

Preferably, the guide bar has a regular hexagonal prism shape.

Preferably, the limiting plate is provided with a plurality of protrusions at one side of the drill rod.

Preferably, the surface of limiting plate is equipped with the lantern ring that the cover was equipped with the drilling rod outside, and the width of lantern ring is less than bellied length.

Preferably, the shortest distance between the limiting plate and the drill bit of the drill rod is not more than half of the length of the drill rod.

Preferably, a sliding rail connected with the sliding block in a sliding manner is arranged between the sliding plate and the sliding block.

Preferably, one side of the guide plate, which is positioned on the drill rod, is provided with a sleeve which is sleeved outside the guide rod, and the sleeve is a rubber cylinder.

The utility model discloses possess following beneficial effect at least:

the drilling rod is at the rotation in-process, the swing power transmission of drilling rod to limiting plate position department, and then transmission to guide bar position department, thereby conduction to slide position department, the amplitude of oscillation of drilling rod reduces, the drilling rod begins to drill, the slide promotes the hydraulic pressure pump body and the drilling rod gets into in the rock wall, afterwards, the limiting plate is extrudeed, promote the guide bar and slide in the deflector, the spring is stretched, for among the prior art, the drilling rod begins the drilling stage at the contact rock stratum, the length of drilling rod is longer, the range of drilling rod vibrations when rotating is great, the preliminary punching of inconvenient drilling rod, this scheme is through can slide and pivoted limiting plate and guide bar relatively the drilling rod, the shaking force transmission to the slide when contacting the rock wall commentaries on classics hole with the drill bit, reduce the amplitude of vibration of drilling rod, promote the stability of drilling rod, thereby make things.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a perspective view of the present invention.

In the figure, a hydraulic pump body 1, a sliding plate 2, a drill rod 3, a guide rod 4, a limiting plate 5, a guide plate 6, a spring 7, a sleeve 8, a lantern ring 9, a protrusion 10, a sliding block 11 and a sliding rail 12.

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

As shown in figure 1, the utility model provides a rapid rock drilling mechanism of a coal tunnel boring machine, a drill rod 3 of the rock drilling mechanism is fixed on the extending end of a hydraulic pump body 1, the drill rod 3 is sleeved on the drill rod of the hydraulic pump body 1 through a connecting sleeve, the hydraulic pump body 1 is connected on the boring machine through a sliding plate 2, the sliding plate 2 is arranged on a bracket at both sides of a cutting head of the boring machine, guide rods 4 are arranged at both sides of the drill rod 3 in parallel, a limit plate 5 which is arranged outside the drill rod 3 is connected between the end parts of the two guide rods 4, the limit plate 5 is a flat plate, a through hole is arranged on the surface of the limit plate 5, the drill rod 3 is inserted into the through hole, the limit plate 5 is connected with the drill rod 3 in a sliding way, the drill rod 3 can rotate on the inner wall of the limit plate 5, the limit plate 5 is fixedly connected with the two guide rods 4, the guide, the guide rod 4 is connected with the guide plate 6 in a sliding mode, a sliding block 11 fixed to the end portion of the guide rod 4 is arranged on one side of the guide plate 6, and a spring 7 sleeved outside the guide rod 4 is fixed between the sliding block 11 and the guide plate 6.

The scheme comprises the following working processes:

when the heading machine works, a rock drilling component is stretched out to drill a hole in a wall surface, so that textures of the rock wall are broken, when the rock drilling equipment works, a drill rod 3 is attached to the rock wall, a hydraulic pump body 1 pushes the drill rod 3 to rotate, the drill rod 3 is in the rotating process, the swinging force of the drill rod 3 is transmitted to a position of a limiting plate 5 and then transmitted to a position of a guide rod 4, so that the swinging amplitude of the drill rod 3 is reduced, the drill rod 3 starts to drill a hole, a sliding plate 2 pushes a hydraulic pump body 1 and the drill rod 3 to enter the rock wall, after the limiting plate 5 is attached to the rock wall, the limiting plate 5 is extruded, the guide rod 4 is pushed to slide in a guide plate 6, a spring 7 is stretched, after the drill rod 3 is drilled into a preset depth, the sliding plate 2 moves backwards, the drill rod 3 is pulled out, the spring 7 resets, the spring 7 pushes.

According to the above process:

in the rotating process of the drill rod 3, the swinging force of the drill rod 3 is transmitted to the position of the limiting plate 5 and then transmitted to the position of the guide rod 4, so that the swinging amplitude of the drill rod 3 is reduced, the drill rod 3 starts to drill, the sliding plate 2 pushes the hydraulic pump body 1 and the drill rod 3 to enter the rock wall, then the limiting plate 5 is extruded to push the guide rod 4 to slide in the guide plate 6, the spring 7 is stretched, compared with the prior art, the length of the drill rod 3 is longer when the drill rod 3 is in the stage of starting to drill in contact with the rock stratum, the vibration amplitude of the drill rod 3 is larger when the drill rod 3 rotates, the pre-drilling of the drill rod 3 is inconvenient, the scheme transmits the vibration force when a drill bit just contacts the rock wall and rotates to the sliding plate 2 through the limiting plate 5 and the guide rod 4 which can slide and rotate relative to the drill rod 3, the vibration amplitude of the drill rod 3 is reduced, moreover, when the drill rod 3 is withdrawn, whether the drill rod 3 is bent or not can be known by directly observing the reset position of the limiting plate 5, so that the drill rod 3 can be found to be bent in time, the replacement can be carried out in time, and the normal operation of equipment is ensured.

The guide rod 4 is regular hexagonal prism shape, and when the guide rod 4 conducts the vibration force, the stability of the regular hexagonal prism shape is higher on the premise that the guide rod 4 guarantees the conduction vibration, and the swing of the guide rod 4 is reduced.

Limiting plate 5 is located drilling rod 3 one side and is equipped with the protruding 10 of a plurality of, protruding 10 and limiting plate 5 fixed connection, and when limiting plate 5 laminating cliff, protruding 10 inserts the gap of cliff, in conducting limiting plate 5's vibrations to the cliff, further promotes drilling rod 3's stability.

The surface of limiting plate 5 is equipped with the lantern ring 9 that the cover was equipped with the drilling rod 3 outside, and the width of lantern ring 9 is less than protruding 10 length, and when drilling rod 3 drilled, lantern ring 9 increase and drilling rod 3's area of contact, and then make things convenient for the transmission of drilling rod 3 vibrations more, and lantern ring 9 can also strike off drilling rod 3 surface adnexed rock when taking out drilling rod 3 in addition, prolongs the life of drilling rod 3.

The shortest distance between limiting plate (5) and drilling rod 3 is not more than half of drilling rod 3 length, and when limiting plate 5's initial position was close to the drill bit of drilling rod 3, further promoted drilling rod 3's stability, made things convenient for punching of drilling rod 3.

Be equipped with between slide 2 and the slider 11 with slider 11 sliding connection's slide rail 12, guide bar 4 is when sliding, and slider 11 slides relative slide rail 12, and when slider 11 was located slide rail 12, the vibrations conduction of guide bar 4 transmission was to slide rail 12 on, made guide bar 4 more stable, made things convenient for guide bar 4's use more.

One side that deflector 6 is located drilling rod 3 is equipped with the sleeve 8 that the cover was located the guide bar 4 outside, and sleeve 8 is the rubber cylinder, sleeve 8 and 6 fixed connection of deflector, sleeve 8 and 4 sliding connection of guide bar, the increase of sleeve 8 and the area of contact of guide bar 4, further promote the stability of guide bar 4, make things convenient for the vibrations of 4 conduction drilling rods 3 of guide bar.

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to achieve the technical effect basically.

It is noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of additional like elements in the article or system in which the element is included.

While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims (7)

1. The utility model provides a quick rock drilling mechanism of coal rock tunnel boring machine, its characterized in that, this rock drilling mechanism's drilling rod (3) are fixed in stretching out of a hydraulic pump body (1) and serve, the hydraulic pump body (1) is connected on the boring machine through a slide (2), the equal parallel arrangement in both sides of drilling rod (3) has guide bar (4), two be connected with one set between the tip of guide bar (4) and locate outer limiting plate (5) of drilling rod (3), guide bar (4) support through guide bar (6) in the upper surface of slide (2), one side of guide bar (6) is equipped with slider (11) of fixing at guide bar (4) tip, slider (11) with be fixed with between guide bar (6) and overlap and locate outer spring (7) of guide bar (4).

2. The rapid rock drilling mechanism of the coal rock roadway heading machine according to claim 1, characterized in that: the guide rod (4) is in a regular hexagonal prism shape.

3. The rapid rock drilling mechanism of the coal rock roadway heading machine according to claim 1, characterized in that: and a plurality of bulges (10) are arranged on one side of the limiting plate (5) positioned on the drill rod (3).

4. The rapid rock drilling mechanism of the coal rock roadway heading machine according to claim 3, characterized in that: the surface of the limiting plate (5) is provided with a lantern ring (9) sleeved with the outer side of the drill rod (3), and the width of the lantern ring (9) is smaller than the length of the protrusion (10).

5. The rapid rock drilling mechanism of the coal rock roadway heading machine according to claim 1, characterized in that: the shortest distance between the limiting plate (5) and the drill bit of the drill rod (3) is not more than half of the length of the drill rod (3).

6. The rapid rock drilling mechanism of the coal rock roadway heading machine according to claim 1, characterized in that: a slide rail (12) which is connected with the slide block (11) in a sliding way is arranged between the slide plate (2) and the slide block (11).

7. The rapid rock drilling mechanism of the coal rock roadway heading machine according to claim 1, characterized in that: one side of the guide plate (6) located on the drill rod (3) is provided with a sleeve (8) sleeved outside the guide rod (4), and the sleeve (8) is a rubber cylinder.

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