CN112878907A - Rock drilling rig for metal mine - Google Patents
Rock drilling rig for metal mine Download PDFInfo
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- CN112878907A CN112878907A CN202110330393.2A CN202110330393A CN112878907A CN 112878907 A CN112878907 A CN 112878907A CN 202110330393 A CN202110330393 A CN 202110330393A CN 112878907 A CN112878907 A CN 112878907A
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- oil cylinder
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- sliding
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- 238000005553 drilling Methods 0.000 title claims abstract description 80
- 239000011435 rock Substances 0.000 title claims abstract description 53
- 239000002184 metal Substances 0.000 title claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000002457 bidirectional effect Effects 0.000 claims description 14
- 230000000903 blocking effect Effects 0.000 claims description 14
- 238000003825 pressing Methods 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 9
- 230000001050 lubricating effect Effects 0.000 claims description 5
- 230000002146 bilateral effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 238000003860 storage Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 7
- 230000005641 tunneling Effects 0.000 description 6
- 238000005065 mining Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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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
- E21B7/026—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting having auxiliary platforms, e.g. for observation purposes
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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
- E21B15/003—Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/086—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with a fluid-actuated cylinder
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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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
-
- 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
- E21B7/002—Drilling with diversely driven shafts extending into the borehole
-
- 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
- E21B7/024—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting having means for adapting to inclined terrain; having means for stabilizing the vehicle while drilling
-
- 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
- E21B7/025—Rock drills, i.e. jumbo drills
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a rock drilling rig for a metal mine, and belongs to the technical field of underground metal mine exploitation equipment. The drilling machine comprises a machine body part, a drilling arm part, a drilling propeller, a protecting plate part, a hydraulic system and an electric system; the machine body part is arranged below the guard plate part; the drill arm parts are respectively arranged at the front end and the rear end of the machine body part; the drilling propeller is installed at the front end of the drilling arm part, the protection plate part is arranged above the machine body part, the hydraulic system is installed in the middle of the machine body part, and the electrical system is installed on the front right side and the rear left side of the machine body part. The invention can quickly realize the mechanized construction of the big gun hole in different widths and height ranges of the metal mine roadway driving top; the drilling arm and the drilling thruster can move and the drill rod can be replaced conveniently by operators, and the drilling arm and the drilling thruster can be connected with the top and the bottom to play a supporting role during operation, so that the drilling operation is safer, more stable and more efficient. The rock drilling machine has the advantages of flexible rock drilling, high drilling speed and the like, greatly reduces the labor intensity of workers, and greatly improves the rock drilling operation efficiency.
Description
Technical Field
The invention belongs to the technical field of metal mine underground exploitation equipment, and particularly relates to a rock drilling rig for a metal mine.
Background
In the technical field of underground mining development equipment of metal mines, the mechanization degree of underground mine roadway tunneling engineering perforation operation in China is low, mining and rock drilling operation is mainly carried out by manually adding a handheld rock drill, a disc drill frame and a pneumatic top hammer drill, obvious differences exist in the aspects of reliability, hydraulic sealing, operability and the like, the technical development and innovation are seriously lagged, and the product performance is difficult to promote.
Disclosure of Invention
The invention aims to provide a rock drilling rig for a metal mine, which effectively solves the problems of low mechanization degree, poor reliability, high labor intensity and the like of metal mine tunneling roadway punching equipment.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a rock drilling rig for metal mines comprises a machine body part, a drill arm part, a drilling propeller, a protecting plate part, a hydraulic system and an electrical system; the machine body part is arranged below the guard plate part; the two sets of drill arm parts are respectively arranged at the front end and the rear end of the body part; the drilling propeller is installed at the front end of the drilling arm part, the protection plate part is arranged above the machine body part, the hydraulic system is installed in the middle of the machine body part, and the electrical system is installed on the front right side and the rear left side of the machine body part.
The machine body part consists of a standing person sliding platform, a main platform, a guide rail, a platform telescopic oil cylinder, an oil cylinder fixing plate, a front connecting beam, a platform telescopic oil cylinder fixing seat, a walking assembly, a rear connecting beam and a step ladder; the front connecting beam is arranged at the front end of the bottom of the main platform, the rear connecting beam is arranged at the rear end of the bottom of the main platform, and the walking assemblies are arranged in a pair and are respectively arranged on the left side surface and the right side surface of the front connecting beam and the rear connecting beam; the platform telescopic oil cylinders are divided into two groups, a mode of configuring two oil cylinders is adopted, a cylinder body is hinged with the platform telescopic oil cylinder fixing seat, a telescopic rod is hinged with a connecting lug at the bottom of the front end of the standing person sliding platform, and the telescopic rod of the platform telescopic oil cylinder drives the standing person sliding platform to slide back and forth; the ladder is divided into two steps and is arranged on the two side surfaces of the main platform in a left-right mode.
The drill arm part consists of a telescopic device, a sleeve assembly and an adjusting device; the telescopic device is installed on the upper surface of the main platform, the sleeve assembly is installed at the front end of the upper portion of the telescopic device, and the adjusting device is fixed on the front side face of the sleeve assembly.
The telescopic device consists of a telescopic oil cylinder base, a telescopic oil cylinder, a blocking plate, a guide rail, a pressing plate, a sliding base, a flat wear-resistant strip and a side wear-resistant strip; the telescopic oil cylinder base is fixed on the upper surface of a main platform of the machine body part, the blocking plate is installed on the rear end face of the sliding base, the guide rails are arranged in a bilateral symmetry mode, the bottom end of the guide rail is fixed on the main platform of the machine body part, the pressing plate is arranged in two modes, the guide rails and the inner side faces of the pressing plate are combined into a guide rail surface, and the guide rail surface plays a role in guiding the sliding base inside the guide rail surface; the upper surface, the two side surfaces and the lower surface of the sliding seat are provided with elongated slots, the flat wear-resistant strips are fixed in the elongated slots on the upper surface and the lower surface of the sliding seat, the side wear-resistant strips are fixed in the elongated slots on the left side surface and the right side surface of the sliding seat, the flat wear-resistant strips and the side wear-resistant strips are exposed out of the surface of the sliding seat after being installed and are contacted with a guide surface consisting of a guide rail and a pressing plate, and; the telescopic oil cylinders are arranged symmetrically left and right, the cylinder bodies of the telescopic oil cylinders are hinged to the connecting lugs of the telescopic oil cylinder bases, the telescopic rods of the telescopic oil cylinders are hinged to the connecting lugs of the blocking plates, and the telescopic rods of the telescopic oil cylinders stretch to drive the sliding bases to slide back and forth.
The sleeve assembly consists of an inner sleeve, an outer sleeve, a lifting oil cylinder, a round adjusting block and a square adjusting block; the bottom end of the inner sleeve is arranged on the upper surface of the sliding seat, the outer sleeve is arranged on the outer side of the inner sleeve, eight circular adjusting blocks and eight square adjusting blocks are fixed on four side surfaces of the outer sleeve, and the circular adjusting blocks and the wear-resistant blocks of the square adjusting blocks are in contact with the outer side surface of the inner sleeve to play a role in guiding lubrication; the lifting oil cylinder is arranged in the inner sleeve, the cylinder body of the lifting oil cylinder is hinged to the connecting lug at the bottom of the inner sleeve, the telescopic rod of the lifting oil cylinder is hinged to the connecting lug at the top of the outer sleeve, and the telescopic rod of the lifting oil cylinder drives the inner sleeve to vertically lift and slide under the guidance of the inner sleeve.
The adjusting device consists of a cross beam, a polished rod, a guide sleeve, a sliding plate, a rotating shaft, a bushing, a baffle cover, a connecting seat, a transmission device and an adjusting oil cylinder; the cross beam is arranged on a hanging plate on the front side surface of the outer sleeve, and the top end of the cross beam is provided with a guide rail surface; the center of the feed rod penetrates through a guide center hole of the guide sleeve, two ends of the feed rod are respectively fixed at two ends of the cross beam, and the bottom surface of the guide sleeve is fixed on the rear side surface of the sliding plate; the top guide rail at the rear side of the sliding plate is placed on the guide rail surface of the cross beam, two ends of a bidirectional oil cylinder of the transmission device are respectively fixed on the cross beam, an outer chain clamp of the transmission device is fixedly connected with the cross beam, an inner chain clamp of the transmission device is fixedly connected with the sliding plate, and the transmission device slides left and right under the action of the bidirectional oil cylinder to drive the sliding plate to slide left and right with the guide of the guide rail surface of the cross beam and the light bar; one end of the rotating shaft is connected with a shaft hole at the bottom of the sliding plate, the center of the rotating shaft penetrates through the shaft hole of the connecting seat, the other end of the rotating shaft is fixedly connected with the blocking cover, the bushing is concentrically installed with the rotating shaft, the connecting seat is hinged with the bushing, the two adjusting oil cylinders are symmetrically arranged in a left-right mode, the cylinder bodies of the adjusting oil cylinders are hinged with the connecting lugs at the top end of the sliding plate, the telescopic rods of the adjusting oil cylinders are hinged with the connecting lugs at two sides of the connecting seat respectively, and the adjusting oil cylinders stretch to drive the.
The transmission device consists of a bidirectional oil cylinder, a roller chain, an inner chain clamp, an outer chain clamp and a chain wheel; the cylinder rods of the bidirectional oil cylinder are fixed at two ends of a cross beam, the roller chain, the inner chain clamp and the outer chain clamp are hinged to form a chain which is wound between chain wheels, the number of the chain wheels is four, the chain wheels are arranged in bilateral symmetry and are respectively installed on a hinge shaft of a cylinder body of the bidirectional oil cylinder, one end of the inner chain clamp is hinged to the roller chain, the other end of the inner chain clamp is fixed on a sliding plate, one end of the outer chain clamp is hinged to the roller chain, the other end of the outer chain clamp is fixed on the cross beam, and the bidirectional oil cylinder stretches and drives the sliding.
The drilling propeller consists of a propelling frame, a clamp holder, an upper supporting oil cylinder, a lower supporting oil cylinder, a sliding plate assembly, a hydraulic rock drill and a propelling oil cylinder; the bottom fixing plate of the pushing frame is fixedly connected with the connecting seat, and the clamp holder is arranged at the front end of the upper part of the pushing frame; the upper supporting oil cylinder is arranged at the front position of the lower surface of the propelling frame, the lower supporting oil cylinder is arranged at the rear position of the lower surface of the propelling frame, and the upper supporting oil cylinder and the telescopic rod of the lower supporting oil cylinder extend out to enable the supporting seat to prop up the top plate of the roadway upwards and prop up the bottom plate of the roadway downwards, so that the effect of stabilizing the drilling propeller is achieved; the hydraulic rock drill is characterized in that the sliding plate component is mounted on a sliding rail of the pushing frame, the hydraulic rock drill is mounted on the upper surface of the sliding plate component, the pushing cylinder is of a two-stage large-stroke pushing structure, a telescopic rod of the pushing cylinder is fixedly connected with the rear end face of the pushing frame, a cylinder body of the pushing cylinder is fixedly connected with the lower surface of the sliding plate component, and the telescopic rod of the pushing cylinder stretches to drive the hydraulic rock drill to slide back and forth.
The protective plate part consists of a drill rod frame, a drill rod box, a motor protective cover I, a valve group protective cover plate, a motor protective cover II, an air compressor assembly and an electric cabinet; the drill rod frames and the drill rod boxes are matched for use, and are respectively arranged at the left side surface and the right side surface of the guard plate part, so that the drill rods are convenient to store; the motor shield I and the motor shield II provide protection for a motor of an electrical system; the valve group protecting cover is arranged at the left side position of the motor protecting cover I and used for supporting a valve group of a hydraulic system, and the valve group protecting cover plate is hinged with the valve group protecting cover and plays a role in protecting the valve group of the hydraulic system; the air compressor assembly compresses air and plays a role in lubricating a hydraulic rock drill arranged on the drilling propeller; the electric cabinet is installed on the right rear side of the guard plate part and provides control for the whole electric system.
Preferably, the length of the flat wear strips and the length of the flat wear strips exposed out of the surface of the sliding seat after the flat wear strips and the side wear strips are installed are 5 mm.
The rock drilling rig for the metal mine adopts the technical scheme, and is suitable for the drilling operation of the metal mine tunneling working face. The drill carriage runs in a crawler type mode, a front set of drill arm device and a rear set of drill arm device and a drill hole propeller are used for carrying out impact rock drilling and hole drilling operation, the two sets of drill arms are respectively powered by two sets of pump stations, and the drill arms are independently operated and operated in parallel, do not interfere with each other and do not influence each other; the mechanical construction of the blast hole in the angular range of +/-45 degrees of different widths and height positions at the tunneling top of the metal mine roadway can be quickly realized by the integral lifting, the front-back stretching and the left-right translation of the drill arm device in cooperation with the rotation of the drilling thruster within +/-60 degrees of angular range and the large-stroke propulsion; all be equipped with telescopic people sliding platform that stands around this drill carriage, can be according to the real-time adjustment personnel station position area of drill boom position, make things convenient for the operation personnel to operate the drill boom, each action of drilling propeller and change drilling rod etc. simultaneously, upper and lower support cylinder is disposed to two sets of drilling propellers, can connect the effect that ground played the support under the top when the drilling operation of rock drilling, makes the drilling operation safer, stable, high-efficient. The drill carriage is controlled in a full hydraulic mode, has the advantages of flexible rock drilling, high drilling speed and the like, greatly reduces the labor intensity of workers, and greatly improves the rock drilling operation efficiency.
The hydraulic system of the invention consists of a front set of pump station and a rear set of pump station, wherein the two sets of pump stations are mutually independent and do not influence each other, and each set of pump station consists of a hydraulic pump, an oil tank, an operation platform, an oil cylinder, a hydraulic rock drill, a valve group and mutually connected pipelines. Two sets of pump stations share one oil tank, the oil tank is arranged in the middle position above a main platform of a machine body part, output shafts of two three-phase asynchronous motors of an electrical system are connected with one hydraulic pump, and the two hydraulic pumps are respectively connected with the front end face and the rear end face of the oil tank; the functions of the hydraulic system are mainly as follows: the machine set can walk, and various actions of the sliding platform, the drilling arm part and the drilling propeller can be realized.
Compared with the prior equipment, the invention has the following advantages:
1. the invention adopts a front set of drilling arm part and a rear set of drilling arm part to carry out rock drilling and drilling operation, and the two sets of drilling arms and the drilling thruster are respectively powered by two sets of pump stations and can independently and parallelly operate;
2. according to the invention, through the integral lifting, the front-back stretching and the left-right translation of the drill boom device, the drill boom device is matched with the drill thruster to rotate within an angle range of +/-60 degrees and the large-stroke propulsion, and the mechanical construction of the shot hole in the angle ranges of +/-45 degrees of different widths and height positions at the top of the metal mine drift tunneling can be rapidly realized;
3. the drilling propeller can be connected with the top and grounded with the bottom, so that the stress condition of the machine body during drilling operation is improved, and the construction operation stability of the whole machine is improved;
4. the front hydraulic rock drill and the rear hydraulic rock drill adopt an impact and rotary rock drilling mode, and have the advantages of large torque, high impact power, wide rock hardness adaptation range and the like;
5. the telescopic standing sliding platform is arranged, can flexibly slide in a telescopic manner, and is convenient for operators to operate and stand;
6. the invention is suitable for rock drilling operation of a metal mine tunneling working face, and can also be used in railways, highways, watersheds and underground engineering tunnels.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of the structure of the body portion of FIG. 1;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a schematic view of the structure of the drill arm of FIG. 1;
FIG. 6 is a schematic view of the structure of the retractor of FIG. 5;
FIG. 7 is a left side view of FIG. 6;
FIG. 8 is a schematic structural view of the sleeve assembly of FIG. 5;
FIG. 9 is a left side view of FIG. 8;
FIG. 10 is a schematic view of the adjustment device of FIG. 5;
FIG. 11 is a left side view of FIG. 10;
FIG. 12 is a schematic structural view of the transmission of FIG. 11;
FIG. 13 is a schematic view of the construction of the drill pusher of FIG. 1;
FIG. 14 is a schematic view of the construction of the shield portion of FIG. 1;
fig. 15 is a top view of fig. 14.
Detailed Description
As shown in fig. 1 and 2, the rock drilling rig for metal mines is characterized in that: the drilling machine comprises a machine body part (1), a drilling arm part (2), a drilling propeller (3), a protecting plate part (4), a hydraulic system (5) and an electrical system (6); the machine body part (1) is arranged below the protecting plate part (4) and is used as an assembly foundation of each part and each system to provide support for the whole machine set; the two sets of drill arm parts (2) are respectively arranged at the front end and the rear end of the machine body part (1); the drilling propeller (3) is installed at the front end of the drilling arm part (2), the protecting plate part (4) is arranged above the machine body part (1), the hydraulic system (5) is installed in the middle of the machine body part (1), and the electric system (6) is installed on the right front side and the left rear side of the machine body part (1).
As shown in fig. 3 and 4, the machine body part (1) consists of a standing person sliding platform (1-1), a main platform (1-2), a guide rail (1-3), a platform telescopic oil cylinder (1-4), an oil cylinder fixing plate (1-5), a front connecting beam (1-6), a platform telescopic oil cylinder fixing seat (1-7), a walking assembly (1-8), a rear connecting beam (1-9) and a ladder (1-10); the front connecting beams (1-6) are arranged at the front ends of the bottoms of the main platforms (1-2), the rear connecting beams (1-9) are arranged at the rear ends of the bottoms of the main platforms (1-2), and the walking assemblies (1-8) share one pair and are respectively arranged on the left side surface and the right side surface of each of the front connecting beams (1-6) and the rear connecting beams (1-9); the guide rails (1-3) are divided into two groups and are respectively fixed at the front end and the rear end of the bottom of the main platform (1-2), the oil cylinder fixing plates (1-5) are divided into two groups and are respectively installed in the positioning grooves of the front connecting beam (1-6) and the rear connecting beam (1-9), the platform telescopic oil cylinder fixing seats (1-7) are divided into two groups and are respectively installed at the bottom ends of the front connecting beam (1-6) and the rear connecting beam (1-9), the platform telescopic oil cylinders (1-4) are divided into two groups, a mode that one group is provided with two oil cylinders is adopted, the cylinder bodies are hinged with the platform telescopic oil cylinder fixing seats (1-7), the telescopic rods are hinged with the connecting lugs at the bottom of the front end of the standing person sliding platform (1-1), and the telescopic rods of the platform telescopic oil cylinders (1-4) drive the standing person sliding platform (1-1) to slide, the personnel station position can be adjusted in real time to meet the operation requirement; the two steps (1-10) are arranged on the two side surfaces of the main platform (1-2) in a left-right mode, can be folded and unfolded, do not occupy space, and are convenient for people to get on and off the drill carriage.
As shown in fig. 5, the drill arm part (2) is composed of a telescopic device (2-1), a sleeve assembly (2-2) and an adjusting device (2-3); the telescopic device (2-1) is installed on the upper surface of the main platform (1-2), the sleeve assembly (2-2) is installed at the front end of the upper portion of the telescopic device (2-1), and the adjusting device (2-3) is fixed on the front side face of the sleeve assembly (2-2).
As shown in fig. 6 and 7, the telescopic device (2-1) consists of a telescopic cylinder base (2-1-1), a telescopic cylinder (2-1-2), a blocking plate (2-1-3), a guide rail (2-1-4), a pressing plate (2-1-5), a sliding base (2-1-6), a flat wear-resistant strip (2-1-7) and a side wear-resistant strip (2-1-8); the telescopic oil cylinder seat (2-1-1) is fixed on the upper surface of a main platform (1-2) of the machine body part (1), the blocking plate (2-1-3) is installed on the rear end face of the sliding seat (2-1-6), the guide rails (2-1-4) are arranged in a bilateral symmetry mode, the bottom ends of the blocking plate are fixed on the main platform (1-2) of the machine body part (1), the pressing plates (2-1-5) are arranged in two modes, the blocking plate is symmetrically installed on the upper surface of the guide rails (2-1-4) in left and right, the guide rails (2-1-4) and the inner side faces of the pressing plates (2-1-5) are combined together to form a guide rail face, and the guide effect is achieved on the sliding seats (2-1-6) inside the guide rail; the sliding seat (2-1-6) is welded by adopting high-strength plates, is formed by performing heat treatment to remove welding stress and then performing finish machining, long grooves are formed in the upper surface, the two side surfaces and the lower surface of the sliding seat (2-1-6), flat wear-resistant strips (2-1-7) are fixed in the long grooves in the upper surface and the lower surface of the sliding seat (2-1-6), side wear-resistant strips (2-1-8) are fixed in the long grooves in the left side surface and the right side surface of the sliding seat (2-1-6), the flat wear-resistant strips (2-1-7) and the side wear-resistant strips (2-1-8) are made of self-lubricating bearings, the surface of the sliding seat (2-1-6) is exposed by 5mm after installation and is in contact with a guide rail surface formed by the guide rail (2-; the two telescopic oil cylinders (2-1-2) are symmetrically arranged left and right, the cylinder bodies of the telescopic oil cylinders are hinged with the connecting lugs of the telescopic oil cylinder bases (2-1-1), the telescopic rods of the telescopic oil cylinders are hinged with the connecting lugs of the blocking plates (2-1-3), and the telescopic rods of the telescopic oil cylinders (2-1-2) stretch to drive the sliding bases (2-1-6) to slide back and forth, so that the requirement of the row spacing construction of a drill carriage is met.
As shown in fig. 8 and 9, the sleeve assembly (2-2) is composed of an inner sleeve (2-2-1), an outer sleeve (2-2-2), a lift cylinder (2-2-3), a round adjusting block (2-2-4) and a square adjusting block (2-2-5); the bottom end of the inner sleeve (2-2-1) is arranged on the upper surface of the sliding seat (2-1-6), the outer sleeve (2-2-2) is arranged on the outer side of the inner sleeve (2-2-1), eight round adjusting blocks (2-2-4) and eight square adjusting blocks (2-2-5) are fixed on four side surfaces of the outer sleeve (2-2-2), and the wear-resistant blocks of the round adjusting blocks (2-2-4) and the square adjusting blocks (2-2-5) are in contact with the outer side surface of the inner sleeve (2-2-1) to play a role in guiding and lubricating; the lifting oil cylinder (2-2-3) is arranged in the inner sleeve (2-2-1), a cylinder body of the lifting oil cylinder is hinged with a connecting lug at the bottom of the inner sleeve (2-2-1), a telescopic rod of the lifting oil cylinder is hinged with a connecting lug at the top of the outer sleeve (2-2-2), and the telescopic rod of the lifting oil cylinder (2-2-3) drives the inner sleeve of the outer sleeve (2-2-2) to be guided to lift and slide up and down, so that the stroke requirements of different height ranges are met.
As shown in fig. 10 and 11, the adjusting device (2-3) comprises a beam (2-3-1), a lever (2-3-2), a guide sleeve (2-3-3), a sliding plate (2-3-4), a rotating shaft (2-3-5), a bushing (2-3-6), a baffle cover (2-3-7), a connecting seat (2-3-8), a transmission device (2-3-9) and an adjusting oil cylinder (2-3-10); the cross beam (2-3-1) is arranged on a hanging plate on the front side surface of the outer sleeve (2-2-2), and the top end of the cross beam is provided with a guide rail surface; the center of the feed rod (2-3-2) penetrates through a guide center hole of the guide sleeve (2-3-3), two ends of the feed rod are respectively fixed at two ends of the cross beam (2-3-1), and the bottom surface of the guide sleeve (2-3-3) is fixed on the rear side surface of the sliding plate (2-3-4); the top guide rail at the rear side of the sliding plate (2-3-4) is placed on the guide rail surface of the cross beam (2-3-1), two ends of a bidirectional oil cylinder (2-3-9-1) of the transmission device (2-3-9) are respectively fixed on the cross beam (2-3-1), an outer chain clamp (2-3-9-4) is fixedly connected with the cross beam (2-3-1), an inner chain clamp (2-3-9-3) is fixedly connected with the sliding plate (2-3-4), the transmission device (2-3-9) slides left and right under the action of the bidirectional oil cylinder (2-3-9-1) to drive the sliding plate (2-3-4) to slide left and right with the guide surface of the cross beam (2-3-1) and the light bar (2-3-2) as a guide, the requirements of different width ranges are met; one end of the rotating shaft (2-3-5) is connected with a shaft hole at the bottom of the sliding plate (2-3-4), the center of the rotating shaft penetrates through the shaft hole of the connecting seat (2-3-8), the other end of the rotating shaft is fixedly connected with the baffle cover (2-3-7), the bushing (2-3-6) and the rotating shaft (2-3-5) are concentrically arranged, the material of the bushing is a self-lubricating bearing which plays a role in bearing and grinding guide and is convenient to replace after being worn, the connecting seat (2-3-8) is hinged with the bushing (2-3-6), the number of the adjusting oil cylinders (2-3-10) is two, the adjusting oil cylinders are symmetrically arranged, the cylinder bodies of the adjusting oil cylinders (2-3-10) are hinged with connecting lugs at the top end of the sliding plate (2-3-4), and the telescopic rods are respectively hinged with the connecting lugs at, the adjusting oil cylinder (2-3-10) stretches and retracts to drive the connecting seat (2-3-8) to rotate left and right around the rotating shaft (2-3-5) as the center, and the requirement of swinging within an angle range of +/-60 degrees is met.
As shown in FIG. 12, the transmission device (2-3-9) is composed of a bidirectional oil cylinder (2-3-9-1), a roller chain (2-3-9-2), an inner chain clip (2-3-9-3), an outer chain clip (2-3-9-4) and a chain wheel (2-3-9-5); the cylinder rods of the two-way oil cylinders (2-3-9-1) are fixed at two ends of a cross beam (2-3-1), the roller chains (2-3-9-2), the inner chain clamps (2-3-9-3) and the outer chain clamps (2-3-9-4) are hinged to form a chain group which is wound among chain wheels (2-3-9-5), four chain wheels (2-3-9-5) are symmetrically arranged in the left and right direction and are respectively arranged on a hinge shaft of a cylinder body of the two-way oil cylinders (2-3-9-1), one ends of the inner chain clamps (2-3-9-3) are hinged to the roller chains (2-3-9-2), and the other ends of the inner chain clamps are fixed on a sliding plate (2-3-4), one end of the outer chain clamp (2-3-9-4) is hinged with the roller chain (2-3-9-2), the other end of the outer chain clamp is fixed on the cross beam (2-3-1), the bidirectional oil cylinder (2-3-9-1) stretches and retracts to drive the sliding plate (2-3-4) to slide left and right with the outer chain clamp (2-3-9-4) as a positioning point, and the stroke double-amplification function is achieved.
As shown in fig. 13, the drilling propeller (3) is composed of a propulsion frame (3-1), a gripper (3-2), an upper support cylinder (3-3), a lower support cylinder (3-4), a sliding plate assembly (3-5), a hydraulic rock drill (3-6) and a propulsion cylinder (3-7); a bottom fixing plate of the pushing frame (3-1) is fixedly connected with the connecting seat (2-3-8), and the clamp holder (3-2) is installed at the front end of the upper part of the pushing frame (3-1) to support a drill rod and quickly detach the drill rod; the upper supporting oil cylinder (3-3) is arranged at the front position of the lower surface of the propelling frame (3-1), the lower supporting oil cylinder (3-4) is arranged at the rear position of the lower surface of the propelling frame (3-1), and the telescopic rods of the upper supporting oil cylinder (3-3) and the lower supporting oil cylinder (3-4) extend out to enable the supporting seat to upwards jack the top plate of the roadway and downwards jack the bottom plate of the roadway so as to play a role in stabilizing the drilling propeller (3); the hydraulic rock drill is characterized in that the sliding plate component (3-5) is installed on a sliding rail of the pushing frame (3-1), the hydraulic rock drill (3-6) is installed on the upper surface of the sliding plate component (3-5), the pushing oil cylinder (3-7) is of a two-stage large-stroke pushing structure, a telescopic rod of the hydraulic rock drill is fixedly connected with the rear end face of the pushing frame (3-1), a cylinder body of the hydraulic rock drill is fixedly connected with the lower surface of the sliding plate component (3-5), the telescopic rod of the pushing oil cylinder (3-7) stretches and retracts to drive the hydraulic rock drill (3-6) to slide back and forth along the sliding rail of the pushing frame (3-.
As shown in fig. 14 and 15, the guard plate portion (4) is composed of a drill rod frame (4-1), a drill rod box (4-2), a motor shroud i (4-3), a valve bank shroud (4-4), a valve bank shroud cover plate (4-5), a motor shroud ii (4-6), an air compressor assembly (4-7) and an electric cabinet (4-8); the drill rod frames (4-1) and the drill rod boxes (4-2) are matched for use, and the two sets of drill rod frames are respectively arranged at the left side surface and the right side surface of the protecting plate part (4) to facilitate storage of drill rods; the motor shield I (4-3) and the motor shield II (4-6) provide protection for a motor of the electrical system (6); the valve group protecting cover (4-4) is arranged at the left side position of the motor protecting cover I (4-3) and provides support for a valve group of the hydraulic system (5), and the valve group protecting cover plate (4-5) is hinged with the valve group protecting cover (4-4) to play a role in protecting the valve group of the hydraulic system (5); the air compressor assembly (4-7) compresses air and plays a role in lubricating the hydraulic rock drill (3-6) arranged on the drilling propeller (3); the electric control box (4-8) is arranged on the right rear side of the guard plate part (4) and provides control for the whole electric system (6).
Claims (10)
1. The utility model provides a metal mine is with rock drilling rig, characterized by: the drilling machine comprises a machine body part (1), a drilling arm part (2), a drilling propeller (3), a protecting plate part (4), a hydraulic system (5) and an electrical system (6); the machine body part (1) is arranged below the plate protecting part (4); the two sets of drill arm parts (2) are respectively arranged at the front end and the rear end of the machine body part (1); the drilling propeller (3) is installed at the front end of the drilling arm part (2), the protecting plate part (4) is arranged above the machine body part (1), the hydraulic system (5) is installed in the middle of the machine body part (1), and the electric system (6) is installed on the right front side and the left rear side of the machine body part (1).
2. The rock drilling rig for the metal mine as claimed in claim 1, wherein: the machine body part (1) consists of a standing person sliding platform (1-1), a main platform (1-2), a guide rail (1-3), a platform telescopic oil cylinder (1-4), an oil cylinder fixing plate (1-5), a front connecting beam (1-6), a platform telescopic oil cylinder fixing seat (1-7), a walking assembly (1-8), a rear connecting beam (1-9) and a ladder (1-10); the front connecting beams (1-6) are arranged at the front ends of the bottoms of the main platforms (1-2), the rear connecting beams (1-9) are arranged at the rear ends of the bottoms of the main platforms (1-2), and the walking assemblies (1-8) share one pair and are respectively arranged on the left side surface and the right side surface of each of the front connecting beams (1-6) and the rear connecting beams (1-9); the guide rails (1-3) are respectively fixed at the front end and the rear end of the bottom of the main platform (1-2), the oil cylinder fixing plates (1-5) are two and are respectively arranged in the positioning grooves of the front connecting beam (1-6) and the rear connecting beam (1-9), the platform telescopic oil cylinder fixing seats (1-7) are two and are respectively arranged at the bottom positions of the front connecting beams (1-6) and the rear connecting beams (1-9), the platform telescopic oil cylinders (1-4) are divided into two groups, a mode of configuring two oil cylinders is adopted, the cylinder body is hinged with a fixed seat (1-7) of a platform telescopic oil cylinder, a telescopic rod of the cylinder body is hinged with a connecting lug at the bottom of the front end of a standing person sliding platform (1-1), and telescopic rods of platform telescopic oil cylinders (1-4) drive the standing person sliding platform (1-1) to slide back and forth; the two steps (1-10) are arranged on the two sides of the main platform (1-2).
3. The rock drilling rig for the metal mine as claimed in claim 1, wherein: the drill arm part (2) consists of a telescopic device (2-1), a sleeve assembly (2-2) and an adjusting device (2-3); the telescopic device (2-1) is installed on the upper surface of the main platform (1-2), the sleeve assembly (2-2) is installed at the front end of the upper portion of the telescopic device (2-1), and the adjusting device (2-3) is fixed on the front side face of the sleeve assembly (2-2).
4. A rock drilling rig for a metal mine as claimed in claim 3, wherein: the telescopic device (2-1) consists of a telescopic oil cylinder base (2-1-1), a telescopic oil cylinder (2-1-2), a blocking plate (2-1-3), a guide rail (2-1-4), a pressing plate (2-1-5), a sliding base (2-1-6), a flat wear-resistant strip (2-1-7) and a side wear-resistant strip (2-1-8); the telescopic oil cylinder seat (2-1-1) is fixed on the upper surface of a main platform (1-2) of the machine body part (1), the blocking plate (2-1-3) is installed on the rear end face of the sliding seat (2-1-6), the guide rails (2-1-4) are arranged in a bilateral symmetry mode, the bottom ends of the blocking plate are fixed on the main platform (1-2) of the machine body part (1), the pressing plates (2-1-5) are arranged in two modes, the blocking plate is symmetrically installed on the upper surface of the guide rails (2-1-4) in left and right, the guide rails (2-1-4) and the inner side faces of the pressing plates (2-1-5) are combined together to form a guide rail face, and the guide effect is achieved on the sliding seats (2-1-6) inside the guide rail; elongated grooves are formed in the upper surface, the two side surfaces and the lower surface of the sliding seat (2-1-6), flat wear-resistant strips (2-1-7) are fixed in the elongated grooves in the upper surface and the lower surface of the sliding seat (2-1-6), side wear-resistant strips (2-1-8) are fixed in the elongated grooves in the left side surface and the right side surface of the sliding seat (2-1-6), the flat wear-resistant strips (2-1-7) and the side wear-resistant strips (2-1-8) are installed and then exposed out of the surface of the sliding seat (2-1-6) and are contacted with a guide rail surface formed by a guide rail (2-1-4) and a pressing plate (2-1-5), and the wear-resistant; the two telescopic oil cylinders (2-1-2) are symmetrically arranged left and right, the cylinder bodies of the telescopic oil cylinders are hinged with the connecting lugs of the telescopic oil cylinder bases (2-1-1), the telescopic rods of the telescopic oil cylinders are hinged with the connecting lugs of the blocking plates (2-1-3), and the telescopic rods of the telescopic oil cylinders (2-1-2) stretch to drive the sliding bases (2-1-6) to slide back and forth.
5. A rock drilling rig for a metal mine as claimed in claim 3, wherein: the sleeve assembly (2-2) consists of an inner sleeve (2-2-1), an outer sleeve (2-2-2), a lifting oil cylinder (2-2-3), a round adjusting block (2-2-4) and a square adjusting block (2-2-5); the bottom end of the inner sleeve (2-2-1) is arranged on the upper surface of the sliding seat (2-1-6), the outer sleeve (2-2-2) is arranged on the outer side of the inner sleeve (2-2-1), eight round adjusting blocks (2-2-4) and eight square adjusting blocks (2-2-5) are fixed on four side surfaces of the outer sleeve (2-2-2), and the wear-resistant blocks of the round adjusting blocks (2-2-4) and the square adjusting blocks (2-2-5) are in contact with the outer side surface of the inner sleeve (2-2-1) to play a role in guiding and lubricating; the lifting oil cylinder (2-2-3) is arranged in the inner sleeve (2-2-1), a cylinder body of the lifting oil cylinder is hinged with a connecting lug at the bottom of the inner sleeve (2-2-1), a telescopic rod of the lifting oil cylinder is hinged with a connecting lug at the top of the outer sleeve (2-2-2), and the telescopic rod of the lifting oil cylinder (2-2-3) drives the inner sleeve (2-2) to be guided to lift and slide up and down.
6. A rock drilling rig for a metal mine as claimed in claim 3, wherein: the adjusting device (2-3) consists of a cross beam (2-3-1), a polished rod (2-3-2), a guide sleeve (2-3-3), a sliding plate (2-3-4), a rotating shaft (2-3-5), a bushing (2-3-6), a baffle cover (2-3-7), a connecting seat (2-3-8), a transmission device (2-3-9) and an adjusting oil cylinder (2-3-10); the cross beam (2-3-1) is arranged on a hanging plate on the front side surface of the outer sleeve (2-2-2), and the top end of the cross beam is provided with a guide rail surface; the center of the feed rod (2-3-2) penetrates through a guide center hole of the guide sleeve (2-3-3), two ends of the feed rod are respectively fixed at two ends of the cross beam (2-3-1), and the bottom surface of the guide sleeve (2-3-3) is fixed on the rear side surface of the sliding plate (2-3-4); the top guide rail at the rear side of the sliding plate (2-3-4) is placed on the guide rail surface of the cross beam (2-3-1), two ends of a bidirectional oil cylinder (2-3-9-1) of the transmission device (2-3-9) are respectively fixed on the cross beam (2-3-1), the outer chain clamp (2-3-9-4) is fixedly connected with the cross beam (2-3-1), the inner chain clamp (2-3-9-3) is fixedly connected with the sliding plate (2-3-4), and the transmission device (2-3-9) slides left and right under the action of the bidirectional oil cylinder (2-3-9-1) to drive the sliding plate (2-3-4) to slide left and right by taking the guide surface of the cross beam (2-3-1) and the polished rod (2-3-2) as a guide; one end of the rotating shaft (2-3-5) is connected with a shaft hole at the bottom of the sliding plate (2-3-4), the center of the rotating shaft penetrates through the shaft hole of the connecting seat (2-3-8), the other end of the rotating shaft is fixedly connected with the baffle cover (2-3-7), the bushing (2-3-6) and the rotating shaft (2-3-5) are concentrically arranged, the connecting seat (2-3-8) is hinged with the bushing (2-3-6), the two adjusting oil cylinders (2-3-10) are symmetrically arranged in the left-right direction, the cylinder body of each adjusting oil cylinder (2-3-10) is hinged with a connecting lug at the top end of the sliding plate (2-3-4), a telescopic rod of each adjusting oil cylinder is hinged with the connecting lugs at the two sides of the connecting seat (2-3-8), and the adjusting oil cylinders (2-3-10) are stretched to drive The shaft (2-3-5) rotates left and right as the center, and the swinging within the angle range of +/-60 degrees is met.
7. The rock drilling rig for the metal mine as claimed in claim 6, wherein: the transmission device (2-3-9) consists of a bidirectional oil cylinder (2-3-9-1), a roller chain (2-3-9-2), an inner chain clip (2-3-9-3), an outer chain clip (2-3-9-4) and a chain wheel (2-3-9-5); the cylinder rods of the two-way oil cylinders (2-3-9-1) are fixed at two ends of a cross beam (2-3-1), the roller chains (2-3-9-2), the inner chain clamps (2-3-9-3) and the outer chain clamps (2-3-9-4) are hinged to form a chain group which is wound among chain wheels (2-3-9-5), four chain wheels (2-3-9-5) are symmetrically arranged in the left and right direction and are respectively arranged on a hinge shaft of a cylinder body of the two-way oil cylinders (2-3-9-1), one ends of the inner chain clamps (2-3-9-3) are hinged to the roller chains (2-3-9-2), and the other ends of the inner chain clamps are fixed on a sliding plate (2-3-4), one end of the outer chain clamp (2-3-9-4) is hinged with the roller chain (2-3-9-2), the other end of the outer chain clamp is fixed on the cross beam (2-3-1), and the bidirectional oil cylinder (2-3-9-1) stretches and retracts to drive the sliding plate (2-3-4) to slide left and right with the outer chain clamp (2-3-9-4) as a positioning point.
8. The rock drilling rig for the metal mine as claimed in claim 1, wherein: the drilling propeller (3) consists of a propelling frame (3-1), a clamp holder (3-2), an upper support oil cylinder (3-3), a lower support oil cylinder (3-4), a sliding plate assembly (3-5), a hydraulic rock drill (3-6) and a propelling oil cylinder (3-7); a bottom fixing plate of the pushing frame (3-1) is fixedly connected with the connecting seat (2-3-8), and the clamper (3-2) is arranged at the front end of the upper part of the pushing frame (3-1); the upper supporting oil cylinder (3-3) is arranged at the front position of the lower surface of the propelling frame (3-1), the lower supporting oil cylinder (3-4) is arranged at the rear position of the lower surface of the propelling frame (3-1), and the telescopic rods of the upper supporting oil cylinder (3-3) and the lower supporting oil cylinder (3-4) extend out to enable the supporting seat to upwards jack the top plate of the roadway and downwards jack the bottom plate of the roadway so as to play a role in stabilizing the drilling propeller (3); the hydraulic rock drill is characterized in that the sliding plate component (3-5) is installed on a sliding rail of the pushing frame (3-1), the hydraulic rock drill (3-6) is installed on the upper surface of the sliding plate component (3-5), the pushing oil cylinder (3-7) is of a two-stage large-stroke pushing structure, a telescopic rod of the hydraulic rock drill is fixedly connected with the rear end face of the pushing frame (3-1), a cylinder body of the hydraulic rock drill is fixedly connected with the lower surface of the sliding plate component (3-5), and the telescopic rod of the pushing oil cylinder (3-7) stretches and retracts to drive the hydraulic rock drill (3-6) to slide back and forth along the sliding.
9. The rock drilling rig for the metal mine as claimed in claim 1, wherein: the protective plate part (4) consists of a drill rod frame (4-1), a drill rod box (4-2), a motor protective cover I (4-3), a valve bank protective cover (4-4), a valve bank protective cover plate (4-5), a motor protective cover II (4-6), an air compressor assembly (4-7) and an electric cabinet (4-8); the drill rod frames (4-1) and the drill rod boxes (4-2) are matched for use, and the two sets of drill rod frames are respectively arranged at the left side surface and the right side surface of the protecting plate part (4) to facilitate storage of drill rods; the motor shield I (4-3) and the motor shield II (4-6) provide protection for a motor of the electrical system (6); the valve group protecting cover (4-4) is arranged at the left side position of the motor protecting cover I (4-3) and provides support for a valve group of the hydraulic system (5), and the valve group protecting cover plate (4-5) is hinged with the valve group protecting cover (4-4) to play a role in protecting the valve group of the hydraulic system (5); the air compressor assembly (4-7) compresses air and plays a role in lubricating the hydraulic rock drill (3-6) arranged on the drilling propeller (3); the electric control box (4-8) is arranged on the right rear side of the guard plate part (4) and provides control for the whole electric system (6).
10. The rock drilling rig for the metal mine as claimed in claim 4, wherein: the length of the flat wear-resistant strips (2-1-7) and the side wear-resistant strips (2-1-8) exposed out of the surface of the sliding seat (2-1-6) after installation is 5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110330393.2A CN112878907A (en) | 2021-03-23 | 2021-03-23 | Rock drilling rig for metal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110330393.2A CN112878907A (en) | 2021-03-23 | 2021-03-23 | Rock drilling rig for metal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112878907A true CN112878907A (en) | 2021-06-01 |
Family
ID=76042596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110330393.2A Pending CN112878907A (en) | 2021-03-23 | 2021-03-23 | Rock drilling rig for metal mine |
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| Country | Link |
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| CN (1) | CN112878907A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117127912A (en) * | 2023-10-23 | 2023-11-28 | 烟台兴业机械股份有限公司 | Rock drilling trolley |
-
2021
- 2021-03-23 CN CN202110330393.2A patent/CN112878907A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117127912A (en) * | 2023-10-23 | 2023-11-28 | 烟台兴业机械股份有限公司 | Rock drilling trolley |
| CN117127912B (en) * | 2023-10-23 | 2024-01-26 | 烟台兴业机械股份有限公司 | Rock drilling trolley |
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