CN107842311B - Multifunctional tunnel rock drilling and arch erecting integrated machine - Google Patents
Multifunctional tunnel rock drilling and arch erecting integrated machine Download PDFInfo
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- CN107842311B CN107842311B CN201711399183.9A CN201711399183A CN107842311B CN 107842311 B CN107842311 B CN 107842311B CN 201711399183 A CN201711399183 A CN 201711399183A CN 107842311 B CN107842311 B CN 107842311B
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- 238000005553 drilling Methods 0.000 title claims abstract description 61
- 239000011435 rock Substances 0.000 title claims abstract description 60
- 210000000245 forearm Anatomy 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 230000003068 static effect Effects 0.000 claims abstract description 5
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 abstract description 8
- 238000009412 basement excavation Methods 0.000 abstract description 4
- 238000003466 welding Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
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
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/15—Plate linings; Laggings, i.e. linings designed for holding back formation material or for transmitting the load to main supporting members
- E21D11/152—Laggings made of grids or nettings
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/003—Machines for drilling anchor holes and setting anchor bolts
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The multifunctional tunnel rock drilling and arch erecting integrated machine comprises a main machine platform (2) arranged on a chassis (1), wherein two arm supports (6) are arranged at the rear part of the main machine platform through a rotary seat (5), and the arm supports can be folded and retracted in a running or static state; the front end of the forearm is rotatably provided with an arch grabbing device (18), a rock drilling device (19), a manned platform (24) and a truck-mounted crane (23). The invention can carry out arch supporting operation in the process of tunnel full section, two steps and three steps excavation, can realize the on-vehicle transportation of the arch, arch installation, steel bar net hanging, transverse bar welding, anchor rod and advanced small conduit drilling and installation by the cooperation of the two arm frames and the working devices on the two arm frames, and has the efficiency far higher than that of manual work.
Description
Technical Field
The invention relates to engineering machinery, in particular to a multifunctional tunnel rock drilling and arch erecting integrated machine.
Background
In tunnel construction, when the surrounding rock grade is relatively poor, arch support is often needed to improve the stability of the surrounding rock.
The existing arch centering machine is generally provided with two arms, one or two hanging baskets are arranged on the existing arch centering machine, and the arm support is generally provided with two sections of telescopic arms. Because the cantilever crane can not be folded, the manipulator at the front end of the cantilever crane can not extend into the three steps of the tunnel to install the arch frame, but in actual construction, the arch frame supporting of the three steps is very common, so that the arch frame supporting of the three steps is needed to be carried out manually. In addition, after the arch centering is installed, a foot anchor rod and a system anchor rod are required to be locked, if surrounding rock is poor, an advanced small guide pipe is required to be supported, and as the existing arch centering machine is not provided with a drilling and installing device of the anchor rod and the advanced small guide pipe, a manual operation air support leg anchor rod machine is required to be additionally arranged for drilling and installing the anchor rod, and the efficiency is low.
At present, a truck chassis or a crawler chassis is used for an arch centering machine, and even the simple modification of the excavator is simple in structure and function, a complete set of solution for supporting an arch centering is not formed, and the arch centering machine is not brand-new arch centering installation equipment, so that the arch centering machine is not successfully used in tunnel construction.
In a word, the existing arch centering machine cannot realize the full-working condition (full section, two steps and three steps) and full-working procedure (arch centering on-vehicle transportation, arch centering butt joint, reinforcing steel bar net hanging, transverse bar welding, anchor rod and advanced small guide pipe drilling and installing) construction of tunnel arch centering installation, has low efficiency, severely restricts the use of the arch centering machine in tunnel construction, and does not have a device really meeting the tunnel arch centering installation construction in China so far.
Disclosure of Invention
The invention aims to solve the technical problem of providing a novel tunnel supporting operation trolley with arch erecting and rock drilling functions, which can perform arch construction in three steps of tunnel excavation (full section, two steps and three steps), can realize all working procedures of arch transportation along with the vehicle, arch butt joint, reinforcing steel bar net hanging, transverse bar welding, anchor rod and advanced small pipe drilling and installation, and has efficiency far higher than that of manual work.
In order to solve the problems, the invention adopts the following technical scheme: the utility model provides a multi-functional tunnel rock drilling frame encircles all-in-one, includes the host computer platform of setting up on the chassis, and two cantilever cranes are set up through the rotary seat to the rear portion of this host computer platform, and the support arch device has been arranged to host computer platform's both sides, and preceding landing leg and back landing leg have been arranged to host computer platform's front and back end bottom, wherein:
The arm support comprises a large arm, a middle arm and a small arm which are sequentially hinged into a whole, a large arm oil cylinder capable of reversely overturning the large arm is arranged between the large arm and the rotary seat, a middle arm oil cylinder capable of enabling the middle arm to be folded on the large arm in parallel is arranged between the middle arm and the large arm, and a leveling oil cylinder capable of enabling the small arm to be kept horizontal is arranged between the small arm and the middle arm, so that the arm support can be folded and retracted in a running or static state; the front end of the forearm is rotatably provided with an arch grabbing device, a rock drilling device, a manned platform and a truck-mounted crane; the arch grabbing device and the rock drilling device are integrated on the upper surface and the lower surface of two ends of a sliding frame, the middle part of the sliding frame is connected to the small arm through a first rotary device rotating around an X axis, and the positions of the arch grabbing device and the rock drilling device are switched through the rotation of the first rotary device;
The rock drilling device comprises a rock drilling machine, an upper guide plate, a drill rod, a pushing oil cylinder, a pushing beam, a compensation oil cylinder and a lower guide plate, wherein the rock drilling machine is connected with the pushing beam through the upper guide plate to form a first moving pair, one end of the pushing oil cylinder is connected with the pushing beam, and the other end of the pushing oil cylinder is connected with the rock drilling machine through a steel wire rope pulley mechanism; the propelling beam is connected with the sliding frame through the lower guide plate to form a second moving pair, one end of the compensation oil cylinder is connected with the sliding frame, and the other end of the compensation oil cylinder is connected with the propelling beam.
The support arch device is arranged on two sides of the host platform through a first mounting seat and a second mounting seat, the support arch device comprises a first connecting rod and a second connecting rod, one ends of the first connecting rod and the second connecting rod are respectively hinged to the first mounting seat and the second mounting seat, the other ends of the first connecting rod and the second connecting rod are hinged to a bracket for placing and fixing a steel arch, and a swinging oil cylinder is hinged between the first mounting seat and the second connecting rod.
The chassis is a four-wheel drive wheel chassis.
The big arm oil cylinder is arranged above the big arm.
The middle arm comprises a middle arm outer sleeve, a telescopic oil cylinder is sleeved in the middle arm outer sleeve, a middle arm inner sleeve is sleeved in the telescopic oil cylinder, the middle arm inner sleeve is connected with the telescopic end of the telescopic oil cylinder, one end of the middle arm oil cylinder is connected with the large arm, and the other end of the middle arm oil cylinder is connected with the middle arm outer sleeve.
One end of the first rotating device is fixedly connected with the sliding frame, the other end of the first rotating device is hinged to the second rotating device rotating around the Y axis, and the second rotating device is fixedly connected with the small arm through the connecting seat.
The arch grabbing device comprises an arch grabbing frame, two ends of the arch grabbing frame are respectively provided with a clamping structure and a guiding structure, the bottom of the arch grabbing frame is provided with a fifth rotating device, and the axis of the fifth rotating device is perpendicular to the axial direction of the arch grabbing frame; the bottom of the fifth rotating device is connected with the sixth rotating device, and the axes of the fifth rotating device and the sixth rotating device are mutually perpendicular, so that the arch grabbing frame can rotate around the axis of the fifth rotating device and also can rotate around the axis of the sixth rotating device.
The clamping structure comprises two fixing seats fixedly connected to two ends of the arch grabbing frame, the middle parts of the two clamping arms are respectively hinged to the outer sides of the fixing seats, the upper ends of the two clamping arms are fixedly connected with one ends of the connecting plates, the other ends of the two connecting plates are respectively hinged to pressing blocks through pin shafts, and a clamping oil cylinder is arranged between the lower ends of the two clamping arms.
The guide structure comprises two guide plates which are oppositely arranged, and the upper ends of the two guide plates are respectively provided with oblique sides which are oppositely inclined.
The rear supporting leg is connected with the host platform through a horizontal inner sleeve which can extend obliquely backwards so as to keep the stability of the whole machine.
The multifunctional tunnel supporting trolley comprises a diesel engine power system and a motor power system which are independent of each other, wherein the diesel engine power system provides power for running and supporting leg actions, and the motor power system is connected with a power station in a tunnel through a cable and provides power for a working device and an auxiliary system.
Under the running or static state, the large arm is reversely turned over and parallelly placed on the supporting seat of the host platform under the action of the large arm oil cylinder, and the middle arm is parallelly folded and placed on the large arm under the action of the middle arm oil cylinder. The forearm keeps horizontal under the effect of leveling hydro-cylinder. The original folding and retracting mode of the multi-arm frame perfectly solves the problem that the whole car is too long and large in turning radius due to the fact that an arm frame of an arch centering machine cannot be retracted, and is designed in such a way that the arm frame is fast in unfolding speed, and the arm frame stretches longer and higher.
The arch grabbing device and the rock drilling device are arranged on opposite sides of the sliding frame, the sliding frame is fixed with one end of the first rotating device, and the other end of the first rotating device is fixed with the second rotating device through the connecting seat. The first rotating device and the second rotating device can rotate around the X axis and the Y axis respectively, so that the switching of the arch grabbing function and the rock drilling function and the change of the working range are achieved.
The invention adopts the accumulated principle, and takes the displacement of the rock drill relative to the pushing beam as one half stroke of the rock drilling device, and the displacement of the pushing beam relative to the frame as the other half stroke of the rock drilling device. Therefore, the length of the pushing beam of the whole rock drilling device is half of that of the traditional device under the condition of the same working stroke, and the requirement of the rock drilling device on operation in a narrow space can be met.
The tunnel supporting multifunctional trolley of the invention is characterized in that an arch frame is hoisted to an arch frame of an arch grabbing device by a truck crane, the arch frame is clamped by the arch frame, the posture is adjusted, the butt joint of two sections of the arch frames is carried out in the air, and then constructors fix the arch frame on a hanging basket by bolts. After installing a truss arch, welding transverse ribs and hanging a reinforcing steel bar net. Finally, drilling holes by a rock drill and installing an anchor rod and a small advance guide pipe. Thus, one installation of the arch is completed. When the multifunctional tunnel support trolley is used for constructing arches of a full section, two steps or three steps of a tunnel, the requirements of various working conditions can be met by adjusting the telescopic length and the pitching angle of the arm support and the degree of freedom of a working device on the arm support.
Drawings
Fig. 1 is a perspective view of a multifunctional tunnel rock drilling and arch erecting integrated machine according to the present invention.
FIG. 2 is a schematic view of the arm support after retraction
Fig. 3 is a schematic view of the boom of the present invention (the drilling device at the front end).
Fig. 4 is a schematic diagram of the switching between the arch grabbing device and the rock drilling device according to the present invention by means of a first turning device-the rock drilling device is at the front end.
Fig. 5 is a schematic diagram ii (the arch grabbing device is at the front end) of the switching between the arch grabbing device and the rock drilling device according to the present invention by the first slewing device.
Fig. 6 is an assembled schematic view of the arch grabbing device of the present invention.
Fig. 7 is an assembly view of a clamping mechanism for an h-beam arch using the arch grabbing device of the present invention.
Fig. 8 is a schematic view of a rock drilling rig with two-stage propulsion according to the present invention.
Fig. 9 is a schematic view of a half stroke structure of the rock drilling rig of the present invention before being advanced.
Fig. 10 is a schematic view of a half stroke structure of the rock drilling apparatus of the present invention after being propelled.
FIG. 11 is an assembled schematic view of the bracket assembly of the present invention.
Fig. 12 is a schematic view of a leg structure according to the present invention.
Detailed Description
The invention will be further described with reference to the drawings and examples.
As shown in fig. 1, the multifunctional tunnel rock drilling and arch-erecting integrated machine provided by the invention mainly comprises a chassis 1, a host platform 2, an arch-erecting device 4, an arm support 6 and supporting legs 7. The chassis 1 is a wheel type chassis, is four-wheel driven, and has higher running speed and better climbing capacity. On the host platform 2, hydraulic, electric control, power systems and other auxiliary systems are arranged, and the host platform 2 is provided with supporting legs 7, so that the stability of the whole car is maintained during the construction of the arch centering machine, and the overturning is avoided. The arm support 6 is arranged on the host platform 2 through the rotary seat 5, and the two arm supports 6 are similar in structure and are arranged at the rear part of the host platform 2. The arch supporting devices 4 are arranged on two sides of the host platform 2 through the mounting seats 3, and the number of the arch supporting devices is 2, and the structure is similar.
As shown in fig. 2, in a running or static state, the boom 11 of the boom 6 is placed on the support seat 8 of the host platform 6 in an anti-overturning parallel manner under the action of the boom cylinder 12, and the middle arm 9 is placed on the boom 11 in a parallel folding manner under the action of the middle arm cylinder 10. The forearm 14 is kept horizontal by the leveling cylinder 13. The original folding and retracting mode of the multi-arm frame perfectly solves the difficult problem that the whole truck is too long and has large turning radius due to the fact that the arm frame of the traditional arch centering machine cannot be retracted, and the unfolding speed of the arm frame is high. The tunnel supporting operation trolley with the arch-erecting and rock-drilling functions can smoothly pass through and construct in a single-line tunnel with the section width of 6 m.
As shown in fig. 3, the arm support 6 of the present invention comprises a rotary seat 5, and a large arm cylinder 12 is hinged on the rotary seat 5 at one end and is hinged on the upper edge of a large arm 11 at the other end; the middle arm 9 comprises a middle arm outer sleeve 15 with one end hinged on the big arm 11, one end of a middle arm inner sleeve 17 is sleeved in the middle arm outer sleeve 15 and slides relatively, the other end of the middle arm inner sleeve 17 is hinged on the small arm 14, and the middle arm inner sleeve 17 is driven by the expansion of an expansion cylinder 16. The forearm 14 is kept horizontal by the leveling cylinder 13. The front end of the forearm 14 is provided with an arch grasping device 18 and a rock drilling device 19. The manned platform 24 is connected with the forearm 14 through the third rotating device 21, can pitch and stretch, and realizes the real-time level of the manned platform 24 through electric control. The truck crane 23 is connected with the small arm 14 through the slewing mechanism 22, can pitch and stretch, and can swing by 360 degrees to hoist the arch frame to the clamping head of the arch grabbing device 18.
As shown in fig. 4 and 5, the arch grabbing device 18 and the rock drilling device 19 are arranged on the upper surface and the lower surface of a carriage 40, the arch grabbing device 18 is connected with the carriage 40 through a fourth turning device 26, the rock drilling device 19 is directly arranged on the carriage 40, the middle part of the carriage 40 is fixedly connected with one end of a first turning device 20, the other end of the first turning device 20 is fixedly connected with a second turning device 25 through a connecting seat 27, and the second turning device 25 is fixedly connected with the forearm 14. The first turning device 20 rotates around the X-axis, so that switching between the arch grabbing device 18 and the rock drilling device 19 can be achieved by rotation of the first turning device 20, and when the arch grabbing device 18 is located above the carriage 40, the arch can be clamped, and the arch is installed by adjusting the arch posture through the first turning device 20 rotating around the X-axis, the second turning device 25 rotating around the Y-axis, and the fourth turning device 26. When the first turning device 20 is turned 180 degrees again, the rock drilling device 19 is located above the carriage 40, so that drilling and bolting and small-pipe installation can be performed.
As shown in fig. 6 and 7, the arch grabbing device 18 includes a grabbing arch 1813, two ends of the grabbing arch are respectively provided with a clamping structure 1811 and a guiding structure 1812, a fifth turning device 1814 is arranged at the bottom of the grabbing arch 1813, and the axis of the fifth turning device 1814 is perpendicular to the axial direction of the grabbing arch 1813; the bottom of the fifth swivel 1814 is connected to the sixth swivel 1815, and the axes of the fifth and sixth swivels 1814, 1815 are perpendicular to each other, so that the gripping arch 1813 can rotate about both the axis of the fifth swivel 1814 and the axis of the sixth swivel 1815. The clamping structure 1811 comprises two fixing bases 18115 connected and fixed at two ends of the arch grabbing frame 1813, the middle parts of the two clamping arms 18112 are respectively hinged with the outer sides of the fixing bases 18115, the upper ends of the two clamping arms 18112 are fixedly connected with one ends of connecting plates 18113, the other ends of the two connecting plates 18113 are respectively hinged with pressing blocks 18114 through pin shafts, and a clamping oil cylinder 18111 is arranged between the lower ends of the two clamping arms 18112. The guide structure 1812 includes two guide plates 18121 which are oppositely arranged, and upper ends of the two guide plates 18121 are respectively provided with oppositely inclined hypotenuses.
As shown in fig. 8-10, the rock drilling rig 19 includes a rock drill 191, an upper guide plate 192, a drill rod 193, a push cylinder 194, a push beam 195, a compensation cylinder 196, and a lower guide plate 197. The rock drill 191 is connected with the propelling beam 195 through the upper guide plate 192 to form a first moving pair, one end of the propelling oil cylinder 194 is connected with the propelling beam 195, the other end of the propelling oil cylinder 194 is connected with the rock drill 191 through a wire rope pulley mechanism, and when the propelling oil cylinder 194 works, the wire rope pulley mechanism acts on the rock drill 191 to realize the relative movement of the rock drill 191 relative to the propelling beam 195, so that half stroke of the rock drilling device 19 is realized. The pushing beam 195 is connected with the carriage 40 through the lower guide plate 197 to form a second moving pair, one end of the compensation cylinder 196 is connected with the carriage 40, the other end of the compensation cylinder 196 is connected with the pushing beam 195, and the pushing beam 195 is pushed to move relative to the carriage 40 when the compensation cylinder 196 works so as to realize the other half stroke of the rock drilling device.
The drill rod 193 is connected to the rock drill 191, and the drill rod 193 is held by the drill rod 1910 by the carriage 40. The carriage 40 is also provided with a positioning oil cylinder 198, the front end of the positioning oil cylinder 198 is provided with a positioning rod 199, and when the positioning oil cylinder 198 stretches out, the positioning rod 199 is driven to stretch forward until the positioning rod is propped against the working surface.
As shown in fig. 11, the steel arch 31 is placed on the bracket 34, one end of the first link 29 is hinged to the bracket 34, and the other end is hinged to the first mount 28, and the first mount 28 is connected to the host platform 2. One end of the second connecting rod 33 is hinged on the bracket 34, the other end is hinged on the second mounting seat 32, and the second mounting seat 32 is connected with the host platform 2. One end of the swing cylinder 30 is hinged to the second link 33, and the other end is hinged to the first mount 28. The bracket 34 and the steel arch 31 are driven to move up and down by the expansion and contraction of the swing cylinder 30, so that the steel arch 31 is convenient to hoist.
As shown in fig. 12, the support leg 7 comprises a front support leg 35 and a rear support leg 38, the front support leg 35 and the rear support leg 38 are respectively arranged at two sides of the host platform 6, a telescopic front support leg inner sleeve 36 is arranged in the front support leg 35, a telescopic rear support leg inner sleeve 39 is arranged in the rear support leg 38, and meanwhile, the rear support leg 38 is fixedly connected with the host platform 2 through a horizontal inner sleeve 37. When the tunnel excavation step length is short, the front leg inner sleeve 36 extends longer than the rear leg inner sleeve 39, so that the tunnel excavation step can be supported on the slope A, and the whole machine can be horizontally operated. In addition, the horizontal inner sleeve 37 can extend obliquely backwards to keep the stability of the whole machine.
Claims (9)
1. The utility model provides a multi-functional tunnel rock drilling frame encircles all-in-one, includes host computer platform (2) of setting up on chassis (1), and the rear portion of this host computer platform passes through revolving seat (5) and sets up two cantilever crane (6), and support arch device (4) have been arranged to host computer platform's both sides, and preceding landing leg (35) and back landing leg (38) have been arranged to host computer platform's front and back end bottom, its characterized in that:
The arm support (6) comprises a large arm (11), a middle arm (9) and a small arm (14) which are hinged into a whole in sequence, a large arm oil cylinder (12) which can enable the large arm to reversely overturn to fold is arranged between the large arm and the rotary seat, a middle arm oil cylinder (10) which can enable the middle arm to fold on the large arm in parallel is arranged between the middle arm and the large arm, and a leveling oil cylinder (13) which can enable the small arm to keep horizontal is arranged between the small arm and the middle arm, so that the arm support can fold and retract under running or static state; the front end of the small arm is provided with an arch grabbing device (18), a rock drilling device (19), a manned platform (24) and a truck-mounted crane (23) through a slewing mechanism, the arch grabbing device (18) and the rock drilling device (19) are integrated on the upper surface and the lower surface of a sliding frame (40), the middle part of the sliding frame is connected to the small arm through a first slewing device (20) rotating around an X axis, and the positions of the arch grabbing device and the rock drilling device are switched through the rotation of the first slewing device;
One end of the first rotating device is fixedly connected with the sliding frame, the other end of the first rotating device is hinged to a second rotating device (25) rotating around the Y axis, and the second rotating device is fixedly connected with the forearm through a connecting seat (27);
The rock drilling device comprises a rock drilling machine (191), an upper guide plate (192), a drill rod (193), a pushing oil cylinder (194), a pushing beam (195), a compensating oil cylinder (196) and a lower guide plate (197), wherein the rock drilling machine is connected with the pushing beam through the upper guide plate to form a first moving pair, one end of the pushing oil cylinder is connected with the pushing beam, and the other end of the pushing oil cylinder is connected with the rock drilling machine through a steel wire rope pulley mechanism; the propelling beam is connected with the sliding frame through the lower guide plate to form a second moving pair, one end of the compensation oil cylinder is connected with the sliding frame, and the other end of the compensation oil cylinder is connected with the propelling beam.
2. The multifunctional tunnel rock drilling and arch-erecting integrated machine according to claim 1, characterized in that the arch-erecting device (4) is arranged at two sides of the host platform through a first mounting seat (28) and a second mounting seat (32), the arch-erecting device comprises a first connecting rod and a second connecting rod (29, 33), one ends of the first connecting rod and the second connecting rod are respectively hinged to the first mounting seat and the second mounting seat, the other ends of the first connecting rod and the second connecting rod are hinged to a bracket (34) for placing and fixing a steel arch, and a swinging oil cylinder (30) is hinged between the first mounting seat and the second connecting rod.
3. The multifunctional tunnel drilling and arching integrated machine according to claim 1, characterized in that the chassis is a four-wheel drive wheeled chassis.
4. The multifunctional tunnel drilling and arching integrated machine according to claim 1, wherein the boom cylinder is arranged above the boom.
5. The multifunctional tunnel rock drilling and arch-erecting integrated machine according to claim 1, wherein the middle arm comprises a middle arm outer sleeve (15), a telescopic oil cylinder (16) is sleeved in the middle arm outer sleeve, a middle arm inner sleeve (17) is sleeved in the telescopic oil cylinder, the middle arm inner sleeve is connected with the telescopic end of the telescopic oil cylinder, one end of the middle arm oil cylinder is connected with a large arm, and the other end of the middle arm oil cylinder is connected with the middle arm outer sleeve.
6. A multifunctional tunnel drilling and arching integrated machine according to claim 1, characterized in that said arch grabbing device comprises an arch grabbing frame (1813), two ends of said arch grabbing frame are respectively provided with a clamping structure (1811) and a guiding structure (1812), the bottom of said arch grabbing frame is provided with a fifth turning device (1814), and the axis of said fifth turning device is perpendicular to the axial direction of said arch grabbing frame; the bottom of the fifth slewing device is connected with the sixth slewing device (1815), and the axes of the fifth slewing device and the sixth slewing device are mutually perpendicular, so that the arch grabbing frame can rotate around the axis of the fifth slewing device and the axis of the sixth slewing device.
7. The multifunctional tunnel rock drilling and arch-erecting integrated machine according to claim 6, wherein the clamping structure comprises two fixing seats (18115) connected and fixed at two ends of the arch grabbing frame, the middle parts of the two clamping arms (18112) are respectively hinged with the outer sides of the fixing seats, the upper ends of the two clamping arms are fixedly connected with one ends of connecting plates (18113), the other ends of the two connecting plates are respectively hinged with pressing blocks (18114) through pin shafts, and a clamping oil cylinder (18111) is arranged between the lower ends of the two clamping arms.
8. The multifunctional tunnel rock drilling and arching integrated machine according to claim 6, characterized in that the guiding structure comprises two oppositely arranged guiding plates (18121), the upper ends of which are respectively provided with oppositely inclined hypotenuses.
9. The multifunctional tunnel rock drilling and arch-erecting integrated machine according to claim 1, characterized in that the rear leg is connected with the host platform through a horizontal inner sleeve (37) which can extend obliquely backwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711399183.9A CN107842311B (en) | 2017-12-22 | 2017-12-22 | Multifunctional tunnel rock drilling and arch erecting integrated machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711399183.9A CN107842311B (en) | 2017-12-22 | 2017-12-22 | Multifunctional tunnel rock drilling and arch erecting integrated machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107842311A CN107842311A (en) | 2018-03-27 |
| CN107842311B true CN107842311B (en) | 2024-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711399183.9A Active CN107842311B (en) | 2017-12-22 | 2017-12-22 | Multifunctional tunnel rock drilling and arch erecting integrated machine |
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