CN110206492B - Combined stepping device of mining top cutting drill and use method thereof - Google Patents
Combined stepping device of mining top cutting drill and use method thereof Download PDFInfo
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- CN110206492B CN110206492B CN201910556631.4A CN201910556631A CN110206492B CN 110206492 B CN110206492 B CN 110206492B CN 201910556631 A CN201910556631 A CN 201910556631A CN 110206492 B CN110206492 B CN 110206492B
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- 238000005520 cutting process Methods 0.000 title claims abstract description 48
- 238000005065 mining Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000005553 drilling Methods 0.000 claims abstract description 66
- 238000010276 construction Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 230000007246 mechanism Effects 0.000 claims description 8
- 230000008602 contraction Effects 0.000 abstract description 5
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- 230000009471 action Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
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Abstract
The invention belongs to the technical field of mining machinery, and particularly provides a combined stepping device of a mining roof cutting drill machine and a using method thereof, wherein the combined stepping device is supported by two upright posts, the two upright posts are connected through a transverse oil cylinder and a transverse sleeve, the two upright posts are mutually support points, the free expansion and contraction of the transverse oil cylinder drives the transverse sleeve to synchronously expand and contract, and the cyclic expansion and contraction of extension rods of the two upright posts are realized to realize the stepping forward of the roof cutting drill machine; the front section of the drill guide rail is connected to the cylinder body of the transverse oil cylinder, the rear section of the drill guide rail is connected to the transverse sleeve, and the inclination angle of the drill guide rail is adjusted by changing the length of the diagonal bracing wire rod between the drill guide rail and the transverse sleeve. The invention has simple structure, convenient movement, strong adaptability and great reduction of labor intensity, the guide rail of the drilling machine has large rotating angle, the drilling machine is convenient to rapidly and accurately position, the working efficiency is improved, and the invention can not only meet the construction of roof cutting and drilling under the conditions of linearity, small drilling space and various complex geology, but also meet the construction of roof cutting and drilling in narrow space inside the belt.
Description
Technical Field
The invention belongs to the technical field of mining machinery equipment, and particularly relates to a mining roof cutting and drilling machine combined stepping device and a using method thereof.
Background
The natural disasters such as gas, water damage, high ground stress and the like severely restrict the safe production of the coal mine, roof cutting and drilling are required to be frequently constructed in the coal mining process, and roof cutting and drilling or a blasting method is matched to enable a roof to timely and fully collapse so as to reduce the pressure of coal bodies or enable collapsed rocks to fill goafs to reduce gas accumulation.
The most of currently used drilling equipment is a crawler type single-arm drilling machine or a double-cantilever drilling machine, but the drilling equipment needs to be frequently moved due to the large drilling density and the shallower drilling depth. When the roof cutting and drilling operation is performed, the holes are basically uniformly distributed in rows, after the rotary disc of the drilling machine is fixed in the selected position, the relative positions of the two drilling arms are fixed, the drilling positions can only be realized through a movable drilling carriage, but the drilling machine equipment is large in size and heavy in whole, workers under a mine are inconvenient to carry, the drilling machine must be leveled and supported again once, the working load is large, the working efficiency is low, and particularly, roof cutting and drilling are difficult to construct in tunnels with complex geological conditions, large dip angles and small sections and narrow spaces inside a belt.
Accordingly, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.
Disclosure of Invention
The invention aims to overcome the defects that a crawler type single-arm drilling machine or a double-cantilever drilling machine in the prior art has complex geological conditions, large inclination angle and small section, and a roof cutting and drilling hole is difficult to construct in a narrow space inside a belt, and provides a mining roof cutting and drilling machine combined stepping device. According to the invention, the two upright posts are supported and connected through the transverse oil cylinder and the transverse sleeve, and the two upright posts are mutually used as supporting points, so that the stepping type forward movement of the machine position of the drilling machine is realized.
In order to achieve the above object, the present invention provides the following technical solutions:
a mining roof cutting drill assembly stepping device, the stepping device comprising:
the support mechanism comprises two identical upright posts which are vertically arranged in parallel, the upright posts comprise an upright post body and an extension rod, the extension rod is freely telescopic at the upper end of the upright post body, and the two identical upright posts are a first upright post and a second upright post respectively; the fixing mechanism is connected between the first upright post and the second upright post, and comprises a transverse oil cylinder and a transverse sleeve, wherein two ends of the transverse oil cylinder are respectively connected to the upper parts of the upright post bodies of the first upright post and the second upright post; the two ends of the transverse sleeve are respectively connected to the lower parts of the upright post bodies of the first upright post and the second upright post, and the transverse sleeve synchronously stretches along with the transverse oil cylinder; the drilling machine guide rail is arranged between the transverse sleeve and the transverse oil cylinder, the front section of the drilling machine guide rail is connected to the cylinder body of the transverse oil cylinder through a buckle, the drilling machine guide rail can rotate around the axis of the transverse oil cylinder, the rear section of the drilling machine guide rail is connected to the transverse sleeve through a diagonal bracing screw rod, and the inclination angle of the drilling machine guide rail is adjusted by changing the length of the diagonal bracing screw rod between the drilling machine guide rail and the transverse sleeve.
The mining top cutting drill unit is combined with the stepping device, preferably, the upright post is a piston type hydraulic cylinder, the upright post body is a cylinder body of the piston type hydraulic cylinder, and the extension rod is a piston rod of the piston type hydraulic cylinder.
The mining top cutting drill unit is combined with the stepping device, preferably, the bottom of the upright post is provided with an adjustable base, and the extension length of the adjustable base relative to the bottom of the upright post is adjustable.
The mining roof cutting drill unit is combined with the stepping device, and preferably, the transverse oil cylinder is a double-acting hydraulic cylinder.
As described above, the mining top cutting drill assembly stepping device is preferably provided with first mechanical enclasping clips at two ends of the transverse oil cylinder, and the first mechanical enclasping clips fix the two ends of the transverse oil cylinder at the upper part of the upright post body respectively.
As described above, the mining top cutting drill assembly stepping device is preferable, the transverse sleeve is sleeved by the thick sleeve and the thin sleeve, the two ends of the transverse sleeve are respectively provided with the second mechanical enclasping clamp, and the two ends of the transverse sleeve are respectively fixed at the lower part of the upright post body by the second mechanical enclasping clamp.
The mining top cutting drill assembly stepping device comprises the adjusting mechanism, wherein the adjusting mechanism is a fine adjusting nut, the fine adjusting nut is arranged on the upright post body and is in threaded fit with the upright post, and the upper end face of the fine adjusting nut abuts against the bottom of the first mechanical enclasping clamp.
As described above, the mining top cutting drill assembly stepping device is preferable, the transverse sleeve is provided with a clamp, the position of the clamp can be adjusted, a steel pipe is welded on the outer side of the clamp, the axial direction of the steel pipe is perpendicular to the axial direction of the transverse sleeve, and the inner diameter of the steel pipe is larger than the diameter of the diagonal bracing wire rod.
Preferably, one end of the inclined strut screw rod is connected with the rear section of the drill guide rail, the other end of the inclined strut screw rod penetrates through an inner hole of the steel pipe, nuts are respectively arranged on the inclined strut screw rods at the two ends of the steel pipe, the inclined strut screw rods are clamped at the two ends of the steel pipe through adjusting nuts to fix the positions of the inclined strut screw rods, and the inclined angle of the drill guide rail is adjusted by changing the length of the inclined strut screw rods between the transverse sleeve and the drill guide rail through adjusting the positions of the nuts; the maximum diameter of the nut is larger than the inner diameter of the steel pipe.
As mentioned above, the mining top cutting drill assembly stepping device is preferable, the adjustable base is connected with the bottom end of the upright post through screw threads, the adjustable base is provided with external threads, and the bottom of the upright post is provided with internal threads.
The application method of the mining roof cutting drill unit combined stepping device comprises the following steps:
s1, advancing a second upright post: the extension rod of the first upright post extends out and is supported between the top and the bottom of the roadway, the extension rod of the second upright post is contracted downwards, the adjustable base of the second upright post is retracted towards the upright post body, the second upright post is suspended, and the transverse oil cylinder extends to drive the transverse sleeve to synchronously extend, so that the second upright post moves forwards.
S2, following by the first upright: the adjustable base of the second upright post is adjusted to be in contact with the ground, the extension rod of the second upright post extends out and is supported at the top of a roadway, the extension rod of the first upright post is retracted downwards, the adjustable base of the first upright post is retracted towards the upright post body, the first upright post is suspended, the transverse cylinder is retracted to drive the transverse sleeve to be retracted synchronously, and the first upright post is retracted forwards.
S3, erecting a drilling machine: and (2) repeating the steps (S1) and (S2), when the drilling position is reached, adjusting the adjustable base of the first upright post to be in contact with the ground, enabling the extending rod of the first upright post to extend out and support the top of a roadway, loosening the first mechanical enclasping clamp, adjusting the fine adjustment nut, leveling the transverse oil cylinder, then clamping the first mechanical enclasping clamp, and adjusting the position of the nut on the inclined support screw rod to enable the drill guide rail to incline to a preset angle, so as to perform drilling construction.
Compared with the closest prior art, the technical scheme provided by the invention has the following excellent effects:
according to the invention, two upright posts are adopted for supporting, the two upright posts are connected through the transverse oil cylinder and the transverse sleeve, the two upright posts are mutually used as supporting points, the free expansion of the transverse oil cylinder drives the transverse sleeve to synchronously expand and contract, the extension rods of the two upright posts are extended back and forth and contracted downwards, the stepping forward movement of the top cutting drilling machine is realized, and the drilling machine has the advantages of simple structure, convenient movement, strong adaptability and great labor intensity reduction; according to the invention, the drill guide rail is connected to the transverse oil cylinder through the buckle, the position of the first mechanical holding clamp is regulated through the fine adjustment nut, the transverse oil cylinder is leveled, the back section of the drill guide rail is provided with the inclined strut screw rod as a support, the inclined angle of the drill guide rail is regulated by changing the length of the inclined strut screw rod between the drill guide rail and the transverse sleeve through regulating the position of the nut, the rotation angle of the drill guide rail is large, the drill is convenient to quickly and accurately position, the working efficiency is improved, and the construction of straight line, small drilling interval and roof cutting and drilling under various complex geological conditions can be satisfied, and the construction of the roof cutting and the roof cutting in narrow space inside the belt can be satisfied.
Drawings
FIG. 1 is a front view of a combined stepping device of a roof cutting drill for mines in an embodiment of the invention;
FIG. 2 is a left side view of a combined stepping device of a roof cutting drill for mines in an embodiment of the invention;
FIG. 3 is a schematic diagram of installation of a diagonal bracing screw in a combined stepping device of a roof cutting drill unit for mines in an embodiment of the invention;
FIG. 4 is an enlarged view of a portion of FIG. 3A in accordance with an embodiment of the present invention;
FIG. 5 is a view showing a second upright post advancing state of the combined advancing device of the roof cutting drill for mines according to the embodiment of the invention;
FIG. 6 is a first upright post follow-up state diagram of the combined stepping device of the roof cutting drill for mines in the embodiment of the invention;
fig. 7 is a diagram showing a state of erection of a drilling machine by using a combined stepping device of a roof cutting drill for mines according to an embodiment of the present invention.
In the figure: 1. a first upright; 101. a column body; 102. an extension rod; 2. a second upright; 3. the first machine is used for tightly holding the clamp; 4. the second machine is used for tightly holding the clamp; 5. a transverse oil cylinder; 6. a transverse sleeve; 7. a drill guide rail; 8. a buckle; 9. a fine tuning nut; 10. an adjustable base; 11. a diagonal bracing screw rod; 12. a clamp; 13. a steel pipe; 14. and (3) a nut.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the invention, fall within the scope of protection of the invention.
The invention will be described in detail below with reference to the drawings in connection with embodiments. It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the present invention, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. refer to the orientation or positional relationship based on that shown in the drawings, merely for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. The terms "coupled" and "connected" as used herein are to be construed broadly and may be, for example, fixedly coupled or detachably coupled; either directly or indirectly through intermediate components, the specific meaning of the terms being understood by those of ordinary skill in the art as the case may be.
As shown in fig. 1 and 2, the present invention provides a mining roof cutting drill unit stepping device, comprising:
the supporting mechanism comprises two identical upright posts which are vertically arranged in parallel, each upright post comprises an upright post body 101 and an extending rod 102, the extending rod 102 freely stretches out and draws back at the upper end of the upright post body 101, and the two identical upright posts are a first upright post 1 and a second upright post 2 respectively. Further, the bottom of stand is provided with adjustable base 10, and adjustable base 10 is connected with the stand bottom screw thread, and screw thread connection is threaded connection promptly, is equipped with the external screw thread on the adjustable base 10, and the bottom of stand is equipped with the internal screw thread, and adjustable base 10 is adjustable for the extension length of stand bottom. In the implementation, the first upright 1 and the second upright 2 are mutually supporting points, the two uprights are supported between the tops and the bottoms of the roadways through free expansion and contraction of the extension rods 102, when the drilling machine is moved forward in a stepping mode, one of the uprights needs to be in a suspended state, and the stepping can be realized by adjusting the adjustable base 10 to the bottoms of the uprights to leave the ground; after stepping, the adjustable base 10 is rotated out of the bottom of the column to contact the ground, and the extension rod 102 is extended to support the column between the top and bottom of the roadway.
Further, the upright post is a piston type hydraulic cylinder, the upright post body 101 is a cylinder body of the piston type hydraulic cylinder, the extension rod 102 is a piston rod of the piston type hydraulic cylinder, the cylinder body is fixed, the piston rod is alternately filled with oil through two cavities, and the piston rod moves up and down freely under the action of hydraulic pressure, namely, the extension rod 102 of the upright post can extend and retract freely.
The fixing mechanism is connected between the first upright 1 and the second upright 2 and comprises a transverse oil cylinder 5 and a transverse sleeve 6, and two ends of the transverse oil cylinder 5 are respectively connected to the upper parts of upright bodies 101 of the first upright 1 and the second upright 2; two ends of the transverse sleeve 6 are respectively connected to the lower parts of the upright post bodies 101 of the first upright post 1 and the second upright post 2, and the transverse sleeve 6 synchronously stretches and contracts along with the transverse oil cylinder 5.
In specific implementation, the first upright 1 and the second upright 2 are connected through the transverse oil cylinder 5 and the transverse sleeve 6, and the free expansion of the transverse oil cylinder 5 drives the transverse sleeve 6 to synchronously expand and contract through the two uprights serving as supporting points, so that the back and forth expansion and the downward contraction of the extension rod 102 of the upright are realized, and the stepping type forward movement of the roof cutting drilling machine is realized. Further, the transverse oil cylinder 5 is a double-acting hydraulic cylinder, the double-acting hydraulic cylinder is a hydraulic cylinder with pressure oil input from two sides, namely, two cavities are provided with oil, the actions in two directions are realized by oil pressure, the length of the transverse oil cylinder 5 freely stretches and contracts, and the stretching length is 400-800 mm; the transverse sleeve 6 is sleeved by a thick pipe and a thin pipe, the thick pipe is fixed, and the thin pipe of the transverse oil cylinder 6 synchronously stretches and contracts along with the transverse oil cylinder 5.
Further, the two ends of the transverse oil cylinder 5 are respectively provided with a first mechanical enclasping clamp 3, and the first mechanical enclasping clamp 3 respectively fixes the two ends of the transverse oil cylinder 5 at the upper part of the upright post body 101; the transverse sleeve 6 is sleeved by a thick sleeve and a thin sleeve, two ends of the transverse sleeve 6 are respectively provided with a second mechanical enclasping clamp 4, and the two ends of the transverse sleeve 6 are respectively fixed at the lower part of the upright post body 101 by the second mechanical enclasping clamp 4.
The drilling machine guide rail 7 is arranged between the transverse oil cylinder 5 and the transverse sleeve 6, the front section of the drilling machine guide rail 7 is arranged on the cylinder body of the transverse oil cylinder 5 through a buckle 8, the drilling machine guide rail 7 can rotate around the axis of the transverse oil cylinder 5, the rear section of the drilling machine guide rail 7 is connected with the transverse sleeve 6 through a diagonal bracing screw rod 11, and the inclination angle of the drilling machine guide rail 7 is adjusted by changing the length of the diagonal bracing screw rod 11 between the drilling machine guide rail 7 and the transverse sleeve 6.
In the specific implementation, as shown in fig. 3-4, a clamp 12 is arranged on the transverse sleeve 6, the position of the clamp 12 can be adjusted, a steel pipe 13 is welded on the outer side of the clamp 12, the axial direction of the steel pipe 13 is perpendicular to the axial direction of the transverse sleeve 6, and the inner hole diameter of the steel pipe 13 is larger than the diameter of the diagonal bracing screw rod 11;
one end of the inclined strut screw rod 11 is connected with the rear section of the drill guide rail 7, the other end of the inclined strut screw rod passes through an inner hole of the steel pipe 13, nuts 14 are respectively arranged on the inclined strut screw rods of the steel pipe 13, the position of the inclined strut screw rod 11 is fixed by clamping the two ends of the steel pipe 13 through the adjusting nuts 14, and the inclination angle of the drill guide rail 7 is adjusted by changing the length of the inclined strut screw rod 11 between the transverse sleeve 6 and the drill guide rail 7 through the position of the adjusting nuts 14; the maximum diameter of the nut 14 is larger than the inner bore diameter of the steel pipe 13.
The inclination angle of the drill guide rail 7 is adjusted by adjusting the length of the inclined strut screw rod 11 and the buckle 8 between the drill guide rail 7 and the transverse sleeve 6, and the drill guide rail 7 can rotate at a large angle and generally forms an included angle of 75-90 degrees with the horizontal direction.
Further, the step device further comprises a fine tuning nut 9, the fine tuning nut 9 is installed on the upright post body 101, the fine tuning nut 9 is in threaded fit with the upright post, and the upper end face of the fine tuning nut 9 abuts against the bottom of the first mechanical enclasping clamp 3.
In a specific implementation, when the horizontal oil cylinder 5 needs to be leveled, the first mechanical enclasping clamp 3 is loosened firstly, namely, the fixation of the horizontal oil cylinder 5 is loosened, then the first mechanical enclasping clamp 3 is finely adjusted up and down through the fine adjustment nut 9, so that the horizontal oil cylinder 5 is positioned at a horizontal position, finally, the position of the first mechanical enclasping clamp 3 for fixing the horizontal oil cylinder 5 is clamped, and the fine adjustment nut 9 plays a role in fine adjustment of the horizontal oil cylinder 5. The fine adjustment nut 9 is in threaded connection with the upright post body 101, so that the limit of the transverse oil cylinder is realized.
Under special conditions, if the difference of the supporting heights of the first upright post and the second upright post is relatively large, a height-adjusting oil cylinder needs to be installed below the first mechanical enclasping clamp 3, the height-adjusting oil cylinder is arranged below the first mechanical enclasping clamp 3, one end of the height-adjusting oil cylinder is connected with the first mechanical enclasping clamp 3, and the other end of the height-adjusting oil cylinder is connected with the upright post body 101 through a support; the fine tuning nut 9 is installed on the upright post body 101, the fine tuning nut 9 is in threaded fit with the upright post, and the lower end face of the fine tuning nut 9 abuts against the upper portion of the first mechanical enclasping clamp 3. When the height difference of the first upright post and the second upright post is relatively large, and the horizontal oil cylinder 5 needs to be leveled, firstly, the height adjusting oil cylinder is started, the first mechanical enclasping clamp 3 is loosened, the first hydraulic enclasping device 3 is finely adjusted up and down through the fine adjustment nut 9, finally, the first mechanical enclasping clamp 3 is clamped, the position of the horizontal oil cylinder 5 is fixed, and the fine adjustment nut 9 achieves the functions of limiting and fine adjustment of the horizontal oil cylinder 5.
As shown in fig. 5 to 7, the method for using the combined stepping device of the mining roof cutting drill comprises the following steps:
s1, the second upright post 2 moves forward: the extension rod 102 of the first upright post 1 extends and is supported between the top and the bottom of a roadway, the extension rod 102 of the second upright post 2 is contracted downwards, the adjustable base 10 of the second upright post 2 is retracted towards the upright post body 101, the second upright post 2 is suspended, the transverse cylinder 5 extends to drive the transverse sleeve 6 to synchronously extend, and the second upright post 2 moves forwards;
s2, the first upright 1 follows: adjusting the adjustable base 10 of the second upright post 2 to contact the ground, enabling the extension rod 102 of the second upright post 2 to extend out and support at the top of a roadway, retracting the extension rod 102 of the first upright post 1 downwards, retracting the adjustable base 10 of the first upright post 1 towards the upright post body 101, enabling the first upright post 1 to be suspended, enabling the transverse cylinder 5 to retract to drive the transverse sleeve 6 to retract synchronously, and enabling the first upright post 1 to follow forwards;
s3, erecting a drilling machine: and repeating the steps S1 and S2, when the drilling position is reached, adjusting the adjustable base 10 of the first upright 1 to contact the ground, extending the extending rod 102 of the first upright 1, supporting the extending rod at the top of a roadway, loosening the first mechanical holding clamp 3, adjusting the fine adjustment nut 9, leveling the transverse oil cylinder 5, then clamping the first mechanical holding clamp 3, and adjusting the position of the nut 14 on the inclined support screw rod 11 to enable the drill guide rail 7 to incline to a preset angle, so as to perform drilling construction.
In summary, the mining top cutting drilling machine combined stepping device provided by the invention is supported by the two upright posts, the two upright posts are connected through the transverse oil cylinder and the transverse sleeve, the two upright posts are mutually used as supporting points, the free expansion of the transverse oil cylinder drives the transverse sleeve to synchronously expand and contract, and the expansion and the contraction of the extending rod of the upright post are realized, so that the stepping forward movement of the top cutting drilling machine is realized, and the drilling machine is simple in structure, convenient to move, high in adaptability and greatly reduced in labor intensity; according to the invention, the drill guide rail is erected on the transverse oil cylinder through the buckle, the transverse oil cylinder is leveled through the fine adjustment nut, the back section of the drill guide rail is provided with the inclined strut screw rod as a support, the inclined angle of the inclined drill guide rail is adjusted through changing the length of the inclined strut screw rod between the drill guide rail and the transverse sleeve, the drill guide rail can be rotated at a large angle, the drill is convenient to rapidly and accurately position, the working efficiency is improved, and the construction of straight-line top cutting and drilling under various complicated geological conditions and the construction of top cutting and drilling in a narrow space inside a belt can be satisfied.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a mining top cutting drill combination step device, its characterized in that, step device includes:
the support mechanism comprises two identical upright posts which are vertically arranged in parallel, the upright posts comprise an upright post body and an extension rod, the extension rod freely stretches out and draws back at the upper end of the upright post body, and the two identical upright posts are a first upright post and a second upright post respectively;
the fixing mechanism is connected between the first upright post and the second upright post, and comprises a transverse oil cylinder and a transverse sleeve, wherein two ends of the transverse oil cylinder are respectively connected to the upper parts of the upright post bodies of the first upright post and the second upright post; the two ends of the transverse sleeve are respectively connected to the lower parts of the upright post bodies of the first upright post and the second upright post, and the transverse sleeve synchronously stretches along with the transverse oil cylinder;
the drilling machine guide rail is arranged between the transverse sleeve and the transverse oil cylinder, the front section of the drilling machine guide rail is connected to the cylinder body of the transverse oil cylinder through a buckle, the drilling machine guide rail can rotate around the axis of the transverse oil cylinder, the rear section of the drilling machine guide rail is connected to the transverse sleeve through a diagonal bracing screw rod, and the inclination angle of the drilling machine guide rail is adjusted by changing the length of the diagonal bracing screw rod between the drilling machine guide rail and the transverse sleeve;
the upright post is a piston type hydraulic cylinder, the upright post body is a cylinder body of the piston type hydraulic cylinder, and the extension rod is a piston rod of the piston type hydraulic cylinder;
the transverse sleeve is provided with a clamp, the position of the clamp can be adjusted, a steel pipe is welded on the outer side of the clamp, the axial direction of the steel pipe is perpendicular to the axial direction of the transverse sleeve, and the inner diameter of the steel pipe is larger than the diameter of the diagonal bracing wire rod;
one end of the inclined strut screw rod is connected with the rear section of the drill guide rail, the other end of the inclined strut screw rod penetrates through an inner hole of the steel pipe, nuts are respectively arranged on the inclined strut screw rods at the two ends of the steel pipe, the inclined strut screw rods are clamped at the two ends of the steel pipe through adjusting nuts to realize the position fixing of the inclined strut screw rods, and the inclined angle of the drill guide rail is adjusted by changing the length of the inclined strut screw rods between the transverse sleeve and the drill guide rail through adjusting the positions of the nuts; the maximum diameter of the nut is larger than the inner diameter of the steel pipe.
2. A mining roof cutting drill unit combination stepping device as defined in claim 1, wherein,
the bottom of stand is provided with adjustable base, adjustable base is for the extension length of stand bottom is adjustable.
3. A mining roof cutting drill unit combination stepping device as defined in claim 1, wherein,
the transverse oil cylinder is a double-acting hydraulic cylinder.
4. A mining roof cutting drill unit combination stepping device as defined in claim 1, wherein,
the two ends of the transverse oil cylinder are respectively provided with a first mechanical enclasping clamp, and the two ends of the transverse oil cylinder are respectively fixed on the upper part of the upright post body by the first mechanical enclasping clamp.
5. The mining top cutting drill assembly stepping device according to claim 1, wherein the transverse sleeve is sleeved by a thick sleeve and a thin sleeve, two ends of the transverse sleeve are respectively provided with a second mechanical clamping hoop, and the two ends of the transverse sleeve are respectively fixed at the lower part of the upright post body by the second mechanical clamping hoops.
6. A mining roof cutting drill unit combination stepping device as defined in claim 4, wherein,
the stepping device further comprises a fine tuning nut, the fine tuning nut is installed on the upright post body, the fine tuning nut is in threaded fit with the upright post, and the upper end face of the fine tuning nut abuts against the bottom of the first mechanical enclasping clamp.
7. A mining roof cutting drill unit combination stepping device as defined in claim 2, wherein,
the adjustable base is connected with the bottom of the upright post through screw threads, external threads are arranged on the adjustable base, and internal threads are arranged at the bottom of the upright post.
8. A method of using the mining roof cutting drill assembly stepping device according to any one of claims 1 to 7, characterized in that the method of using comprises the steps of:
s1, advancing a second upright post: the extension rod of the first upright post extends out and is supported between the top and the bottom of the roadway, the extension rod of the second upright post is contracted downwards, the adjustable base of the second upright post is retracted towards the upright post body, the second upright post is suspended, the transverse cylinder is extended to drive the transverse sleeve to be extended synchronously, and the second upright post is moved forwards;
s2, following by the first upright: the adjustable base of the second upright post is adjusted to contact the ground, the extension rod of the second upright post extends out and is supported at the top of a roadway, the extension rod of the first upright post is retracted downwards, the adjustable base of the first upright post is retracted towards the upright post body, the first upright post is suspended, the transverse cylinder is retracted to drive the transverse sleeve to be retracted synchronously, and the first upright post is retracted forwards;
s3, erecting a drilling machine: and (2) repeating the steps (S1) and (S2), when the drilling position is reached, adjusting the adjustable base of the first upright post to be in contact with the ground, enabling the extending rod of the first upright post to extend out and support the top of a roadway, loosening the first mechanical enclasping clamp, adjusting the fine adjustment nut, leveling the transverse oil cylinder, then clamping the first mechanical enclasping clamp, and adjusting the position of the nut on the inclined support screw rod to enable the drill guide rail to incline to a preset angle, so as to perform drilling construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910556631.4A CN110206492B (en) | 2019-06-25 | 2019-06-25 | Combined stepping device of mining top cutting drill and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910556631.4A CN110206492B (en) | 2019-06-25 | 2019-06-25 | Combined stepping device of mining top cutting drill and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110206492A CN110206492A (en) | 2019-09-06 |
| CN110206492B true CN110206492B (en) | 2023-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910556631.4A Active CN110206492B (en) | 2019-06-25 | 2019-06-25 | Combined stepping device of mining top cutting drill and use method thereof |
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| CN202325266U (en) * | 2011-12-01 | 2012-07-11 | 黄春明 | Mining large-dip angle cross drainage drilling machine |
| CN103277046A (en) * | 2013-06-04 | 2013-09-04 | 重庆市能源投资集团科技有限责任公司 | Wheel type truck-mounted drilling rig |
| CN203271588U (en) * | 2013-06-04 | 2013-11-06 | 重庆市能源投资集团科技有限责任公司 | Wheel type truck-mounted drilling rig |
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