CN114635705A - Drill jumbo and construction method thereof - Google Patents
Drill jumbo and construction method thereof Download PDFInfo
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- CN114635705A CN114635705A CN202210252953.1A CN202210252953A CN114635705A CN 114635705 A CN114635705 A CN 114635705A CN 202210252953 A CN202210252953 A CN 202210252953A CN 114635705 A CN114635705 A CN 114635705A
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- 238000010276 construction Methods 0.000 title claims abstract description 24
- 239000011435 rock Substances 0.000 claims abstract description 68
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 238000005553 drilling Methods 0.000 claims description 70
- 238000001514 detection method Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 description 14
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1086—Drives or transmissions specially adapted therefor
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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
- E21B1/00—Percussion drilling
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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
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
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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
- E21B47/00—Survey of boreholes or wells
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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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
- E21B7/022—Control of the drilling operation; Hydraulic or pneumatic means for activation or operation
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/108—Remote control specially adapted for machines for driving tunnels or galleries
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1093—Devices for supporting, advancing or orientating the machine or the tool-carrier
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Geophysics (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a drill jumbo and a construction method thereof, wherein the drill jumbo comprises the following components: a vehicle body; a drill boom; the thruster is arranged on the drill boom and comprises a working guide rail, the working guide rail comprises a first guide rail and a second guide rail, and the second guide rail extends relative to the first guide rail or retracts relative to the first guide rail; the rock drill comprises a base which is in sliding fit with the working guide rail; the first driving mechanism is connected between the first guide rail and the second guide rail and is used for driving the second guide rail to stretch relative to the first guide rail; a second drive mechanism connected between the working rail and the rock drill for driving the rock drill to slide on the working rail, wherein the pusher is configured to drive the rock drill to slide between the first rail and the second rail when the second rail is extended relative to the first rail; and the control device is in signal connection with the first driving mechanism and the second driving mechanism and is configured to control the first driving mechanism and the second driving mechanism to act.
Description
Technical Field
The invention relates to the field of engineering machinery, in particular to a drill jumbo and a construction method of the drill jumbo.
Background
The drill jumbo is important mechanical equipment for mechanical construction of a tunnel drilling and blasting method, construction and construction of tunnels are more and more along with expansion of roads and railways in recent years, traditional manual construction is gradually replaced by machinery, and the drill jumbo has the advantages of high drilling speed, good drilling quality, high automation level and the like, and is widely applied to tunnel construction in China. The rock drilling jumbo includes a drill boom, a pusher provided on the drill boom, and a rock drill moving on the pusher, which is a tool for directly quarrying stone, and which drills blastholes in a rock formation to put explosives to explode the rock, thereby completing quarrying the stone or other stone works. Furthermore, rock drills may also be used as breakers for breaking hard layers such as concrete. Rock drills can be classified into pneumatic rock drills, internal combustion rock drills, electric rock drills, hydraulic rock drills, and the like according to their power sources. While drilling the rock drill moves on the guide rails of the thruster to advance the depth of the drill hole. The rock drill of the drill jumbo has multiple degrees of freedom and flexible operation, and can be applied to drilling blast holes and drilling anchor rod holes. The drilling jumbo of prior art can step by step deepen the degree of depth of drilling through moving the rock drill on the work guide rail when drilling, and for the convenience of beating out deep-drilled hole, the guide rail of the propeller of drilling jumbo of prior art is all longer, when adopting shorter work guide rail, needs to change the drilling rod of different length many times, and is comparatively loaded down with trivial details. When the anchor rod hole is drilled, the insertion angle of the anchor rod is perpendicular to the contour line of the tunnel, and when the anchor rod hole is drilled in a small-section tunnel, the working guide rail of the rock drilling jumbo adopting a longer working guide rail may interfere with the small section of the tunnel, so that the adaptability is poor.
Disclosure of Invention
The invention aims to provide a drill jumbo which can be conveniently suitable for more working occasions.
In a first aspect of the present invention, there is disclosed a rock-drilling jumbo comprising:
a vehicle body;
the drill boom comprises a first end connected with the vehicle body and a second end far away from the vehicle body;
the thruster is arranged at the second end of the drill boom and comprises a working guide rail, the working guide rail comprises a first guide rail and a second guide rail which is in the same extension direction as the first guide rail and is in sliding connection with the first guide rail, and the second guide rail extends out relative to the first guide rail to increase the length of the working guide rail or retracts relative to the first guide rail to shorten the length of the working guide rail;
the rock drill comprises a base which is in sliding fit with the working guide rail;
the first driving mechanism is connected between the first guide rail and the second guide rail and used for driving the second guide rail to extend and retract relative to the first guide rail;
a second drive mechanism connected between the work guide rail and the rock drilling machine for driving the rock drilling machine to slide on the work guide rail, wherein the pusher is configured such that the second drive mechanism can drive the rock drilling machine to slide between the first guide rail and the second guide rail when the second guide rail is extended relative to the first guide rail;
the control device is in signal connection with the first driving mechanism and the second driving mechanism and is configured to control the first driving mechanism and the second driving mechanism to act.
In some embodiments, the first rail and the second rail are both U-shaped rails, and a first bar-shaped block and a second bar-shaped block protruding outwards and extending along the extending direction of the first rail are respectively arranged on two opposite outer surfaces of the first rail, the second guide rail is positioned at the inner side of the first guide rail, a third block and a fourth block which protrude inwards and extend along the extension direction of the second guide rail are respectively arranged on two opposite inner surfaces of the second guide rail, the base comprises a first groove in clearance fit with the first bar-shaped block, a second groove in clearance fit with the second bar-shaped block, a third groove in clearance fit with the third bar-shaped block and a fourth groove in clearance fit with the fourth bar-shaped block, the notches of the first and second grooves face the inner side of the first rail, and the notches of the third and fourth grooves face the outer side of the second rail.
In some embodiments, a fifth safety barrier and a sixth safety barrier are further disposed on the first guide rail and respectively located above the third and fourth blocks, and the fifth safety barrier and the sixth safety barrier are respectively disposed in parallel with the third and fourth blocks.
In some embodiments, the locking device further includes a plurality of limiting holes disposed on the second rail and distributed along the extending direction of the second rail, a limiting block disposed on the first rail and retractable along a direction perpendicular to the extending direction of the second rail, and a third driving mechanism disposed on the first rail and used for driving the limiting block to retract, the control device is in signal connection with the third driving mechanism, and the control device is configured to: when the second guide rail extends to different lengths relative to the first guide rail, the third driving mechanism is controlled to drive the limiting block to extend out to be inserted into corresponding different limiting holes to lock the relative position of the second guide rail and the first guide rail, and the third driving mechanism is controlled to drive the limiting block to retract from the inserted limiting holes to enable the second guide rail to extend relative to the first guide rail before the second guide rail extends relative to the first guide rail.
In some embodiments, the first guide rail is provided with a plurality of limiting blocks arranged along the extending direction of the first guide rail, the plurality of limiting holes and the plurality of limiting blocks are equally spaced, and the spacing distance between adjacent limiting blocks is the same as the spacing distance between adjacent limiting holes.
In some embodiments, the limiting holes are rectangular holes, the length of each rectangular hole is 40-60mm, the width of each rectangular hole is 10-20mm, and the distance between every two adjacent limiting holes is 40-60 mm.
In some embodiments, the first driving mechanism is a servo hydraulic cylinder, and a cylinder barrel and a piston rod of the servo hydraulic cylinder are fixedly connected with the first guide rail and the second guide rail respectively.
In some embodiments, the device further comprises a detection device connected with the control device through signals and used for detecting the length of the working guide rail.
In some embodiments, the rock drilling rig includes a plurality of drill booms and a plurality of thrusters and rock drills respectively provided on the plurality of drill booms.
The second aspect of the invention discloses a construction method applying any one of the rock drilling jumbo, which comprises the following steps: before construction begins, the second guide rail is controlled to extend relative to the first guide rail, and after construction is completed, the second guide rail is controlled to retract relative to the first guide rail.
In some embodiments, a target length of the work rail is input to the control device before construction starts; the control device controls the second guide rail to extend relative to the first guide rail according to the target length; and detecting the length of the working guide rail by using a detection device, stopping the extension of the second guide rail when the length of the working guide rail reaches the target length, and locking the relative position of the second guide rail and the first guide rail by using a locking device.
Based on the rock drilling jumbo provided by the invention, the working guide rail is arranged to comprise the first guide rail and the second guide rail which can be relatively stretched and contracted, so that the working guide rail has a state that the length of the second guide rail is increased when the second guide rail is stretched relative to the first guide rail and a state that the length of the second guide rail is shortened when the second guide rail is retracted relative to the first guide rail, and the rock drilling machine can smoothly slide on the working guide rail when the length of the working guide rail is increased and shortened, so that when the construction is started under narrow working occasions such as the working of drilling an anchor rod hole of a small-section tunnel and the like, the length of the working guide rail can be shortened, and when the moving distance of the rock drilling machine needs to be increased, the length of the working guide rail can be increased, so that the rock drilling jumbo can adapt to more working occasions.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a schematic structural view of a rock drilling rig according to an embodiment of the present invention;
fig. 2 is a schematic view of a part of the structure of the drill jumbo shown in fig. 1;
FIG. 3 is a schematic view of the second rail of the work rail of FIG. 2 shown retracted relative to the first rail;
FIG. 4 is a schematic view of the working rail of FIG. 2 with the second rail extended relative to the first rail;
FIG. 5 is a schematic view of the first rail shown in FIG. 2;
FIG. 6 is an enlarged partial schematic view of a portion A of the first rail shown in FIG. 5;
FIG. 7 is a schematic structural view of the second guide rail shown in FIG. 2;
FIG. 8 is an enlarged partial view of a portion B of the second rail shown in FIG. 7;
fig. 9 is a cross-sectional structural view of a portion of the structure shown in fig. 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. 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 invention.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1, the rock-drilling rig of the present embodiment includes a vehicle body 1, a boom 2, a propeller 3, a rock drill 4, a first drive mechanism 51, a second drive mechanism, and a control device.
As shown in fig. 1, the vehicle body 1 includes a chassis, a frame, and the like, and in the embodiment shown in the figure, a cab 11, a basket for carrying construction workers, and a moving arm 12 for moving the basket are further provided on the vehicle body 1.
The drill boom 2 comprises a first end connected with the vehicle body 1 and a second end far away from the vehicle body 1, the drill boom 2 is used for moving and adjusting the position of the propeller 3, in the embodiment shown in the figure, the drill boom 2 is a telescopic drill boom, the length of the drill boom 2 can be extended or shortened, in the embodiment shown in the figure, the second end of the drill boom 2 is further provided with a rotating base 21, the propeller is arranged on the rotating base 21, and the rotating base 21 can adjust the angle of the propeller 3 relative to the drill boom 2.
The thruster 3 is arranged on the second end of the boom 2. The thruster is used to enable the rock drill to be moved back and forth to adjust the drilling depth when the rock drill is in operation. As shown in fig. 1 to 6 and 9, the pusher 3 includes a working rail including a first rail 31 and a second rail 32 extending in the same direction as the first rail 31 and slidably coupled thereto. The second rail 32 is extended relative to the first rail 31 to increase the length of the working rail or the second rail 32 is retracted relative to the first rail 31 to shorten the length of the working rail.
The rock drill 4 comprises a base 41 which is in sliding engagement with the working guide. The rock drill 4 slides on the working rails via a base 41. As shown in fig. 3, when the second rail is retracted relative to the first rail, the bed 41 of the rock drilling machine can slide on the shortened working rail, at which point the range of movement of the rock drilling machine on the working rail is smaller. As shown in fig. 4, the second guide rail 32 extends relative to the first guide rail 31, and when the length of the working guide rail increases, the base 41 of the rock drilling machine 4 can slide on the increased working guide rail, and the base 41 of the rock drilling machine 4 can move from the first guide rail to the second guide rail or from the second guide rail to the first guide rail, and at this time, the moving range of the rock drilling machine on the working guide rail increases.
The first driving mechanism 51 is connected between the first rail 31 and the second rail 32, and the first driving mechanism 51 is used for driving the second rail 32 to extend (extend or retract) relative to the first rail 31.
A second drive mechanism is connected between the working rail and the rock drilling machine 4 for driving the rock drilling machine 4 to slide on the working rail, wherein the pusher 3 is configured to drive the rock drilling machine 4 to slide between the first rail 31 and the second rail 32 when the second rail is extended relative to the first rail. The second driving mechanism is used for driving the base of the rock drilling machine 4 to slide on the working guide rail, and the second driving mechanism can drive the rock drilling machine 4 to move back and forth on the working guide rail by adopting a hydraulic cylinder, a pulley and other traction devices.
The control device is in signal connection with the first driving mechanism 51 and the second driving mechanism, and the control device is configured to control the first driving mechanism 51 and the second driving mechanism to act.
The rock drilling jumbo of this embodiment, through setting up the work guide rail to including first guide rail 31 and the second guide rail 32 that can stretch out and draw back relatively, make the work guide rail can increase length and second guide rail 32 and retract to shorten length when first guide rail 31 is retracted relatively when second guide rail 32 stretches out relatively first guide rail 31, rock drill 4 homoenergetic slides smoothly on the work guide rail before and after work guide rail length changes, the length of the guide rail of rock drilling jumbo propeller relative to prior art keeps unchangeable, when the rock drilling jumbo of this embodiment begins construction under narrow work places such as the work is beaten in low section tunnel anchor rod hole, the length can be shortened to the work guide rail, when needs improve the displacement of rock drill 4, can make the work guide rail increase length, the rock drilling jumbo of this embodiment can adapt to more work places.
In some embodiments, as shown in fig. 3 to 9, the first rail 31 and the second rail 32 are U-shaped rails, two opposite outer surfaces of the first rail 31 are respectively provided with a first bar block 311 and a second bar block 312 which protrude outwards and extend along the extending direction of the first rail 31, the second rail 32 is located inside the first rail 31, that is, the second rail 32 is located in the groove of the U-shaped groove of the first rail 31, and in the illustrated embodiment, the notch of the U-shaped groove of the second rail and the notch of the U-shaped groove of the first rail have the same opening direction. The second rail 32 has a third block 321 and a fourth block 322 protruding inward and extending in the extending direction of the second rail 32 on opposite inner surfaces thereof. The base 41 includes a first groove 411 which is clearance-fitted with the first bar 311, a second groove 412 which is clearance-fitted with the second bar 312, a fourth groove 414 which is clearance-fitted with the third bar 321, and a fourth groove 414 which is clearance-fitted with the fourth bar 322, the notches of the first and second grooves 411 and 412 face the inner side of the first guide rail 31, and the notches of the fourth and fourth grooves 414 and 414 face the outer side of the second guide rail 32. The base 41 can flexibly slide on the first guide rail and the second guide rail through the first groove 411, the second groove 412, the third groove 413 and the fourth groove 414. When the second rail is extended relative to the first rail, on the track where the first rail is not overlapped with the second rail, the base 41 can slide freely on the partial track through the sliding fit of the first groove 411 and the first bar block 311 and the sliding fit of the second groove 412 and the second bar block 312, on the track where the first guide rail and the second guide rail coincide, the base 41 can freely slide on the partial track through the sliding fit of the first groove 411 and the first bar-shaped block 311, the sliding fit of the second groove 412 and the second bar-shaped block 312, the sliding fit of the third groove 413 and the third bar-shaped block 321, and the sliding fit of the fourth groove 414 and the fourth bar-shaped block 322, on the track where the second rail does not coincide with the first rail, the base 41 is able to slide freely on this part of the track by the sliding fit of the third groove 413 and the third block 321 and the sliding fit of the fourth groove 414 and the fourth block 322. Through the arrangement, the working guide rail can reliably and smoothly slide on the working guide rail under the state of extension or shortening.
In some embodiments, as shown in fig. 1 to 6, the first guiding rail 31 is further provided with a fifth safety barrier 71 and a sixth safety barrier 72 respectively located above the third block 321 and the fourth block 322, and the fifth safety barrier 71 and the sixth safety barrier 72 are respectively arranged in parallel with the third block 321 and the fourth block 322. The fifth safety barrier 71 and the sixth safety barrier 72 are respectively parallel to the third block 321 and the fourth block 322 and keep small spacing, when the second guide rail stretches relative to the first guide rail, the fifth safety barrier 71 and the sixth safety barrier 72 cannot affect the second guide rail, when the second guide rail stretches out a long length relative to the first guide rail, the stretching part of the second guide rail 32 is suspended relative to the first guide rail, under the action of gravity of the stretching part, the second guide rail slightly rotates relative to the first guide rail, at the moment, the fifth safety barrier 71 and the sixth safety barrier 72 can limit further rotation of the second guide rail relative to the first guide rail, so that the working guide rail keeps structural stability, and the bearing capacity and the working safety of the working guide rail are improved.
In some embodiments, as shown in fig. 1 to 8, the rock-drilling jumbo further includes a locking device, and the locking device includes a plurality of limiting holes 62 disposed on the second rail 32 and distributed along the extending direction of the second rail 32, a limiting block 61 disposed on the first rail 31 and retractable along a direction perpendicular to the extending direction of the second rail 32, and a third driving mechanism disposed on the first rail 31 and used for driving the limiting block 61 to retract. In the embodiment shown in fig. 1, the extending direction of the first guide rail 31 and the second guide rail 32 is the front-back direction relative to the traveling direction of the drill jumbo on the horizontal plane, the plurality of limiting holes 62 are arranged in the front-back direction, the limiting block 61 is retractable in the left-right direction relative to the drill jumbo on the horizontal plane, and the limiting block 61 can be extended and inserted into the limiting holes 62, thereby limiting the second guide rail from being retracted relative to the first guide rail, or the limiting block 61 can be retracted from the limiting holes, thereby not affecting the retraction of the second guide rail relative to the first guide rail. The control device is in signal connection with the third driving mechanism, and the control device is configured to: when the second guide rail 32 extends to different lengths relative to the first guide rail 31, the third driving mechanism is controlled to drive the limiting block 61 to extend out to be inserted into corresponding different limiting holes 62 to lock the relative position of the second guide rail 32 and the first guide rail 31, when the second guide rail extends to different lengths relative to the first guide rail, for the same limiting block 61 to correspond to different limiting holes in the extending and retracting direction, when the limiting block 61 extends to be inserted into the limiting holes, the relative position of the second guide rail 32 to the first guide rail 31 is locked. Before the second guide rail 32 extends and contracts relative to the first guide rail 31, the third driving mechanism is controlled to drive the limit block 61 to retract from the inserted limit hole 62 so that the second guide rail 32 can extend and contract relative to the first guide rail 31.
In some embodiments, as shown in the drawings, the first guide rail 31 is provided with a plurality of limiting blocks 61 arranged along the extending direction thereof, the plurality of limiting holes 62 and the plurality of limiting blocks 61 are equally spaced, and the spacing distance between adjacent limiting blocks 61 is the same as the spacing distance between adjacent limiting holes 62. In the embodiment shown in the figures, the plurality of limit blocks 61 are controlled by the driving plate 63 to extend and retract in a unified manner, and when the driving plate 63 extends or retracts along the cross section direction of the first guide rail 31, the plurality of limit blocks 61 extend or retract simultaneously. The expansion and contraction of the drive plate 63 may be controlled by a telescopic cylinder, a lead screw nut mechanism, or the like. The locking effect of the locking device can be further improved by arranging a plurality of limiting blocks 61 and a plurality of limiting holes 62.
In some embodiments, as shown in FIG. 8, the position-limiting holes 62 are rectangular holes having a length b of 40-60mm, a width a of 10-20mm, and a distance c between adjacent position-limiting holes 62 of 40-60 mm.
In some embodiments, the first driving mechanism 51 is a servo hydraulic cylinder, and a cylinder and a piston rod of the servo hydraulic cylinder are fixedly connected to the first guide rail 31 and the second guide rail 32, respectively. The servo oil cylinder is arranged, so that the telescopic length of the second guide rail relative to the first guide rail can be accurately controlled.
In some embodiments, the rock drilling rig further comprises a detection device in signal connection with the control device for detecting the length of the working rail. The detection means may be a displacement sensor for detecting displacement of the second rail relative to the first rail. The detection device is arranged, so that the telescopic length of the second guide rail relative to the first guide rail can be further accurately controlled.
In some embodiments, as shown in fig. 1, the rock drilling rig comprises a plurality of drilling booms 2 and a plurality of thrusters 3 and rock drills 4 respectively provided on the plurality of drilling booms 2. In the embodiment shown in the figure the drilling rig comprises 3 drilling booms 2 and correspondingly three propellers 3 and rock drills 4. A plurality of drill booms of drilling jumbo and rock drills including a plurality of drill booms and propeller of prior art can simultaneous working, and work efficiency is high, nevertheless beat at small cross section tunnel anchor rod hole and establish and take place easily between the guide rail of a plurality of propellers of in-process and interfere, and the drilling jumbo of this embodiment can reduce the interference between the guide rail of each propeller when guaranteeing work efficiency through work guide rail length is adjustable, and work efficiency is high, and the adaptation operating mode is many.
In some embodiments, the control device described above can be a general purpose Processor, a Programmable Logic Controller (PLC), a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable Logic device, discrete Gate or transistor Logic, discrete hardware components, or any suitable combination thereof for performing the functions described herein.
In some embodiments, a construction method using the rock drilling jumbo is further disclosed, and the construction method comprises the following steps: before the construction is started, the second guide rail 32 is controlled to extend relative to the first guide rail 31, and after the construction is finished, the second guide rail 32 is controlled to retract relative to the first guide rail 31.
In some embodiments, a target length of the work rail is input to the control device before the construction starts; the control device controls the second guide rail 32 to extend relative to the first guide rail 31 according to the target length; the length of the working rail is detected by the detection means, the extension of the second rail 32 is stopped when the length of the working rail reaches the target length, and the relative position of the second rail 32 and the first rail 31 is locked by the locking means.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (11)
1. A rock drilling rig, comprising:
a vehicle body (1);
the drilling arm (2) comprises a first end connected with the vehicle body (1) and a second end far away from the vehicle body (1);
the thruster (3) is arranged at the second end of the drill boom (2) and comprises a working guide rail, the working guide rail comprises a first guide rail (31) and a second guide rail (32) which is in the same extension direction as the first guide rail (31) and is connected with the first guide rail in a sliding mode, and the second guide rail (32) extends relative to the first guide rail (31) to increase the length of the working guide rail or the second guide rail (32) retracts relative to the first guide rail (31) to shorten the length of the working guide rail;
the rock drilling machine (4) comprises a base (41) which is in sliding fit with the working guide rail;
the first driving mechanism is connected between the first guide rail (31) and the second guide rail (32) and is used for driving the second guide rail (32) to extend and retract relative to the first guide rail (31);
a second drive mechanism connected between the working rail and the rock drilling machine (4) for driving the rock drilling machine (4) to slide on the working rail, wherein the pusher (3) is configured to be capable of driving the rock drilling machine (4) to slide between the first rail (31) and the second rail (32) when the second rail (32) is extended relative to the first rail (31);
the control device is in signal connection with the first driving mechanism and the second driving mechanism and is configured to control the first driving mechanism and the second driving mechanism to act.
2. A rock-drilling rig as claimed in claim 1, characterized in that the first guide rail (31) and the second guide rail (32) are both U-shaped guide rails, that the first guide rail (31) is provided on opposite outer surfaces thereof with a first bar-shaped block and a second bar-shaped block respectively projecting outwardly and extending in the direction of extension of the first guide rail (31), that the second guide rail (32) is located inside the first guide rail (31), that the second guide rail (32) is provided on opposite inner surfaces thereof with a third bar-shaped block and a fourth bar-shaped block respectively projecting inwardly and extending in the direction of extension of the second guide rail (32), that the base (41) comprises a first groove in clearance fit with the first bar-shaped block, a second groove in clearance fit with the second bar-shaped block, a third groove in clearance fit with the third bar-shaped block, and a fourth groove in clearance fit with the fourth bar-shaped block, the notches of the first and second grooves face the inner side of the first rail (31), and the notches of the third and fourth grooves face the outer side of the second rail (32).
3. A rock-drilling jumbo according to claim 2, characterized in that the first guide rail (31) is further provided with a fifth safety bar and a sixth safety bar respectively located above the third and fourth blocks, the fifth and sixth safety bars being respectively arranged in parallel with the third and fourth blocks.
4. A rock drilling rig as claimed in claim 1, further comprising a locking device comprising a plurality of limiting holes (62) provided in the second guide rail (32) and distributed along the direction of extension of the second guide rail (32), a limiting block (61) provided in the first guide rail (31) and extendable and retractable in a direction perpendicular to the direction of extension of the second guide rail (32), and a third drive mechanism provided in the first guide rail (31) and for driving the limiting block (61) to extend and retract, the control device being in signal connection with the third drive mechanism, the control device being configured to: when the second guide rail (32) extends to different lengths relative to the first guide rail (31), the third driving mechanism is controlled to drive the limiting block (61) to extend out to be inserted into corresponding different limiting holes (62) so as to lock the relative position of the second guide rail (32) and the first guide rail (31), and before the second guide rail (32) extends and contracts relative to the first guide rail (31), the third driving mechanism is controlled to drive the limiting block (61) to retract from the inserted limiting holes (62) so that the second guide rail (32) can extend and contract relative to the first guide rail (31).
5. A rock drilling jumbo as claimed in claim 4, wherein the first guide rail (31) is provided with a plurality of stoppers (61) disposed along an extending direction thereof, the plurality of stopper holes (62) and the plurality of stoppers (61) are equally spaced, and a spacing distance between adjacent stoppers (61) is the same as a spacing distance between adjacent stopper holes (62).
6. A rock drilling rig as claimed in claim 4, characterized in that the limiting holes (62) are rectangular holes having a length of 40-60mm and a width of 10-20mm, the distance between adjacent limiting holes (62) being 40-60 mm.
7. A rock drilling rig as claimed in claim 1, characterized in that the first drive mechanism is a servo hydraulic cylinder, the cylinder barrel and the piston rod of which are fixedly connected to the first guide rail (31) and the second guide rail (32), respectively.
8. A rock drilling rig as recited in claim 1, further comprising a sensing device in signal communication with the control device for sensing the length of the work rail.
9. A rock-drilling rig as claimed in any one of claims 1 to 8, characterized in that the rock-drilling rig comprises a plurality of drilling booms (2) and a plurality of thrusters (3) and rock drills (4) respectively arranged on the plurality of drilling booms (2).
10. A method of constructing using a rock-drilling rig as claimed in any one of claims 1 to 9, comprising: and before construction is started, the second guide rail (32) is controlled to extend relative to the first guide rail (31), and after construction is finished, the second guide rail (32) is controlled to retract relative to the first guide rail (31).
11. A method of constructing a rock-drilling rig as recited in claim 10 wherein, prior to the start of construction, a target length of the work rail is input to the control device; the control device controls the second guide rail (32) to extend relative to the first guide rail (31) according to the target length; the length of the working guide rail is detected by a detection device, the extension of the second guide rail (32) is stopped when the length of the working guide rail reaches a target length, and the relative position of the second guide rail (32) and the first guide rail (31) is locked by a locking device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210252953.1A CN114635705A (en) | 2022-03-15 | 2022-03-15 | Drill jumbo and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210252953.1A CN114635705A (en) | 2022-03-15 | 2022-03-15 | Drill jumbo and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114635705A true CN114635705A (en) | 2022-06-17 |
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ID=81947128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210252953.1A Pending CN114635705A (en) | 2022-03-15 | 2022-03-15 | Drill jumbo and construction method thereof |
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| Country | Link |
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| CN (1) | CN114635705A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117432332A (en) * | 2023-11-09 | 2024-01-23 | 湖南三耳重工科技发展有限公司 | Multifunctional drill boom and rock drilling vehicle with same |
-
2022
- 2022-03-15 CN CN202210252953.1A patent/CN114635705A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117432332A (en) * | 2023-11-09 | 2024-01-23 | 湖南三耳重工科技发展有限公司 | Multifunctional drill boom and rock drilling vehicle with same |
| CN117432332B (en) * | 2023-11-09 | 2024-04-16 | 湖南三耳重工科技发展有限公司 | Multifunctional drill boom and rock drilling vehicle with same |
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