CN107916897B - Working mechanism of multifunctional arch-erecting rock drilling trolley - Google Patents
Working mechanism of multifunctional arch-erecting rock drilling trolley Download PDFInfo
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- CN107916897B CN107916897B CN201711399149.1A CN201711399149A CN107916897B CN 107916897 B CN107916897 B CN 107916897B CN 201711399149 A CN201711399149 A CN 201711399149A CN 107916897 B CN107916897 B CN 107916897B
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- grabbing
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- 238000005553 drilling Methods 0.000 title claims abstract description 70
- 239000011435 rock Substances 0.000 title claims abstract description 63
- 230000007246 mechanism Effects 0.000 title claims abstract description 30
- 239000000725 suspension Substances 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 4
- 230000007306 turnover Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 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
- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/04—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs the effective length of which is variable in operation, e.g. longitudinally displaceable, extensible
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/06—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs mounted for jibbing or luffing movements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
- B66F11/044—Working platforms suspended from booms
- B66F11/046—Working platforms suspended from booms of the telescoping type
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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
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a working mechanism of a multifunctional arch-erecting and rock-drilling trolley, which comprises an arch-grabbing and rock-drilling device (1) connected with the front end of a small arm (41) of a cantilever crane (4) through a first slewing bearing device (5), a truck-mounted crane (2) connected with the small arm (41) through a second slewing bearing device (6), and an overhead working platform (3) connected with the small arm (41) through a third slewing bearing device (7), wherein the arch-grabbing and rock-drilling device is arranged on one side of the small arm, and the truck-mounted crane and the overhead working platform are arranged on the other side of the small arm. The invention integrates the arch grabbing, the rock drilling, the truck-mounted crane and the working platform on one working mechanism, and the length dimension of the whole rock drilling device under the condition of the same working stroke is half of the length of the traditional device, and the working stability of the rock drilling device is obviously improved.
Description
Technical Field
The invention relates to a multifunctional arch-erecting and rock-drilling trolley, in particular to a working mechanism of the multifunctional arch-erecting and rock-drilling trolley.
Background
In construction of hydroelectric tunnels, subway engineering, railway tunnels, highway tunnels, underground workshops and military underground engineering, arch support is often needed when the surrounding rock grade is poor, so that the stability of the surrounding rock is improved. The working contents of arch support comprise arch butt joint, steel bar net hanging, transverse bar welding, anchor rod and drilling and installation of advanced small guide pipe. At present, although corresponding auxiliary construction equipment such as the existing arch centering machine is provided, the structure and the function are relatively simple, and a complete set of solution for supporting the arch centering is not formed, so that the auxiliary construction equipment is not successfully used in tunnel construction.
Disclosure of Invention
The invention aims to solve the technical problem of providing a working mechanism of a multifunctional arch-erecting and rock-drilling trolley, which can realize all working procedures of arch-erecting butt joint, reinforcing mesh hanging, transverse bar welding, anchor rod and advanced small guide pipe drilling and installation, and has higher efficiency than manual work.
In order to solve the problems, the invention adopts the following technical scheme: the working mechanism of the multifunctional arch-erecting rock drilling trolley comprises an arch-grabbing rock drilling device connected with the front end of a small arm of an arm frame through a first slewing bearing device, a truck-mounted crane connected with the small arm through a second slewing bearing device, and an aerial working platform connected with the small arm through a third slewing bearing device, wherein the arch-grabbing rock drilling device is arranged on one side of the small arm, and the truck-mounted crane and the aerial working platform are arranged on the other side of the small arm.
The arch grabbing and rock drilling device comprises a sliding frame, wherein an arch grabbing device is arranged on the top surface or the bottom surface of the sliding frame, and a rock drilling device is arranged on the opposite surface of the installation surface of the arch grabbing device; one side of the middle part of the sliding frame is fixed at one end of an X-axis rotating device capable of enabling the sliding frame to overturn, and the other end of the X-axis rotating device is fixed with a Y-axis rotating device through a rotating fixing seat. The X-axis rotating device and the Y-axis rotating device can rotate around the X-axis and the Y-axis respectively, so that the switching of the arch grabbing device and the rock drilling device and the change of the working range are achieved.
The arch grabbing device comprises an arch grabbing seat, two ends of the arch grabbing seat are respectively provided with a clamping structure and a guiding structure, the clamping structure comprises two mounting seats which are respectively connected and fixed to two sides of the arch grabbing seat, the middle parts of the two clamping arms are respectively hinged with the outer sides of the mounting seats, the upper ends of the two clamping arms are fixedly connected with one ends of connecting plates, the other ends of the two connecting plates are respectively hinged with 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 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 truck-mounted crane comprises a support fixed on the second slewing bearing device, one end of the support is hinged with one end of the first connecting rod, the other end of the support is hinged with one end of the second connecting rod, the other ends of the first connecting rod and the second connecting rod are respectively hinged with two positions in the axial direction of the lifting arm, so that the support, the first connecting rod, the second connecting rod and the lifting arm form a four-bar mechanism, two opposite angle hinged points of the four-bar mechanism are connected with a driving oil cylinder, the rear end of the lifting arm is provided with a winch, the front end of the lifting arm is provided with a pulley and a lifting hook, and a steel wire rope with one end fixed at the rear end of the lifting arm extends along the lifting arm and bypasses the pulley and is fixed on the winch through a winch drum of the winch.
The aerial working platform comprises a telescopic outer arm, a telescopic inner arm is sleeved in the telescopic outer arm in a sliding manner, one end of the first oil cylinder is connected with the telescopic outer arm, and the other end of the first oil cylinder is connected with the telescopic inner arm; the connecting rod comprises two rod bodies, two ends of the two rod bodies are respectively hinged with the telescopic inner arm and the hanging basket assembly to form a group of parallelogram mechanisms, and two opposite angle hinge points of the parallelogram mechanisms are connected with a second oil cylinder which can enable the connecting rod to rotate clockwise or anticlockwise so as to lift or recover the hanging basket assembly.
The invention reasonably integrates a truck-mounted crane, an overhead working platform, an arch grabbing device and a rock drilling device on one platform, and the rock drilling device adopts a two-stage telescopic principle, wherein the displacement of the rock drilling machine relative to a pushing beam is used as one half stroke of the rock drilling device, and the displacement of the pushing beam relative to a sliding frame is used as the other half stroke of the rock drilling device. Thus, not only are multiple functions integrated in one working platform, but also the length dimension of the whole rock drilling apparatus will be half the length of the conventional apparatus.
In addition, in order to improve the working stability of the rock drilling device, a drill rod supporting device is arranged at the front end of the first sliding frame. When the rock drill works, the drill rod is supported by the drill rod supporting device at the far end of the rock drill, so that the drill rod is prevented from shaking, and the drilling stability is improved. And a positioning rod is arranged at the front end of the sliding frame. When the drilling device determines the drilling position, the positioning rod extends out through the action of the positioning oil cylinder until the positioning rod is propped against the working surface. Therefore, the shaking of the rock drilling device in the working process can be effectively reduced, and the drilling stability is improved.
When the device is used, a worker stands in an overhead working platform, can operate the arch grabbing device at a short distance, can operate the rock drilling device at a short distance to punch and set anchor rods, can receive an arch frame conveyed by a truck crane to carry out supporting operation, and can also receive transverse ribs, reinforcing steel bars and the like conveyed by the truck crane to carry out supporting operation.
Drawings
Fig. 1 is an assembly view of one embodiment of the working mechanism of the multifunctional arching drilling carriage of the present invention.
Fig. 2 is an assembly view of the working mechanism and the arm support of the multifunctional arch-supporting drilling jumbo of the invention.
Fig. 3 is a side view of fig. 2.
Fig. 4 is a top view of fig. 2.
Fig. 5 is a rock drilling state diagram of the arch grabbing rock drilling rig of the present invention.
Fig. 6 is a view showing a state of the arch grasping rock drilling device of the present invention.
Fig. 7 is an assembly view of the arch grabbing device of the present invention.
Fig. 8 is an assembly view of a clamping mechanism for an h-beam arch using the arch grabbing device of the present invention.
Fig. 9 is an assembly view of the rock drilling rig of the invention.
Fig. 10 is an assembly view of a rock drill of the rock drilling rig of the invention moved half way in relation to the feed beam.
Fig. 11 is an assembly view of a push beam of a rock drilling rig according to the invention moved half way in relation to the sledge.
Fig. 12 is a schematic cross-sectional view of the feed beam and upper and lower guide plates of the present invention.
Fig. 13 is an assembly structure view of the truck mounted crane of the present invention.
Fig. 14 is a view showing an expanded state of the truck suspension according to the present invention.
Fig. 15 is a schematic view of a four bar linkage of the truck mounted crane of the present invention.
Fig. 16 is an isometric view of a truck mounted crane according to the present invention.
Fig. 17 is a side view of the aerial work platform of the present invention.
Fig. 18 is a perspective view of the aerial platform of the present invention.
Detailed Description
An example of the application of the present invention to a tunnel drilling gantry arching trolley is given below.
As shown in fig. 1 to 4, an embodiment of a working mechanism of a multifunctional arch-erecting drilling rig of the present invention comprises an arch-grabbing drilling rig 1 connected to a front end of a boom 41 of a boom 4 through a first slewing bearing device 5, a truck-mounted crane 2 connected to the boom 41 through a second slewing bearing device 6, and an aerial work platform 3 connected to the boom 41 through a third slewing bearing device 7, wherein the arch-grabbing drilling rig 1 is mounted on one side of the boom 41, and the truck-mounted crane 2 and the aerial work platform 3 are mounted on the other side of the boom 41.
As shown in fig. 5-8, the arch-grabbing rock drilling device 1 comprises a carriage 14, the top surface of the carriage 14 being provided with the arch-grabbing device 11 and the bottom surface being provided with the rock drilling device 12.
The middle portion side of the carriage 14 is fixed to one end of the X-axis turning device 13. The X-axis turning device 13 may rotate the carriage 14 around the X-axis, and when the X-axis turning device 13 rotates counterclockwise or clockwise, the arch grabbing device 11 or the rock drilling device 12 is exposed to the front end of the manipulator, that is, the arch grabbing function and the rock drilling function are switched. Fig. 5 is thus a state of the rock drilling function. The arch grabbing function state is shown in fig. 6.
The other end of the X-axis slewing device 13 is fixedly connected with the first slewing bearing device 5 which rotates around the Y-axis through a slewing fixed seat 15. The first slewing bearing device 5 can enable the sliding frame 14 to rotate around the Y axis, and when the first slewing bearing device 5 rotates, the arch grabbing device 11 and the rock drilling device 12 at two ends of the sliding frame 14 are driven to rotate together, so that the purpose of adjusting the working angle of the arch grabbing device 11 or the rock drilling device 12 is achieved, and the working range of the arch grabbing device can be enlarged.
As shown in fig. 7 and 8, the arch grabbing device 11 of the present invention includes a grabbing abutment 113, and two ends of the grabbing abutment 113 are respectively provided with a clamping structure 111 and a guiding structure 112.
The clamping structure 111 comprises two mounting seats 1115 which are respectively connected and fixed on two sides of the arch grabbing seat 113, the middle parts of the two clamping arms 1112 are respectively hinged with the outer sides of the mounting seats 1115, the upper ends of the two clamping arms 1112 are respectively fixedly connected with one ends of connecting plates 1113 through bolts, the other ends of the two connecting plates 1113 are respectively hinged with pressing blocks 1114 through pin shafts, and a clamping oil cylinder 1111 is arranged between the lower ends of the two clamping arms 1112. The two clamping arms 1112, the two connecting plates 1113 and the two pressing blocks 1114 are respectively and symmetrically arranged.
The guide structure 112 includes two guide plates 1121 arranged opposite to each other, and the upper ends of the two guide plates 1121 are respectively provided with oblique sides to facilitate the arch to slide between the two guide plates 1121.
Before the arch grabbing device 11 receives the i-steel arch, the clamping cylinder 1111 is retracted to the shortest state, at this time, the clamping cylinder 1111 pulls back the clamping arms 1112, and the two clamping arms 1112 rotate around the hinge points on the mounting base 1115 respectively, so that the two connecting plates 1113 and the two pressing blocks 1114 are opened upwards respectively, and the i-steel arch is ready to be received. At this time, the h-beam arch is lifted and slid into the guide structure 112 along the two guide plates 1121 and dropped onto the grab abutment 113. The clamp cylinder 1111 is then extended such that the clamp cylinder 1111 acts on the clamp arm 1112 and rotates the clamp arm 1112 about the hinge point on the mount 1115 such that the two connection plates 1113 and the two press blocks 1114 move downward until the i-beam arch is compressed.
The bottom of the grab arch 113 is connected with a first turning device 114, and the axis of the first turning device 114 is perpendicular to the axial direction of the grab arch 113, so that the grab arch 113 can rotate around the axis of the first turning device 114. The first turning device 114 is vertically connected with the second turning device 115, and the axes of the first turning device 114 and the second turning device 115 are mutually perpendicular, so that the arch grabbing seat 113 and the first turning device 114 can rotate around the axis of the second turning device 115. This structure ultimately allows the h-beam arch placed on the grab abutment 113 to rotate on the two perpendicular axes of the first and second swivel means 114, 115, thereby enabling quick positioning during construction.
As shown in fig. 9-12, the rock drilling apparatus 12 comprises a rock drill 121, an upper guide plate 122, a drill rod 123, a push cylinder 124, a push beam 125, a compensation cylinder 126, a lower guide plate 127, a positioning cylinder 128, a positioning rod 129, and a drill rod guide 1210, wherein the upper guide plate 122 and the lower guide plate 127 are preferably guide plates with V-shaped cross sections.
The rock drill 121 is connected to the push beam 125 via an upper guide plate 122, constituting a first mobile pair. One end of the push cylinder 124 is connected to the push beam 125, and the other end of the push cylinder 124 is connected to the rock drill 121 via a wire rope pulley mechanism. When the push cylinder 124 works, the wire rope pulley mechanism acts on the rock drill 121, so that the relative movement of the rock drill 121 relative to the push beam 125 is realized, and the half stroke of the rock drilling device is realized.
The push beam 125 is connected to the carriage 14 by a lower guide plate 127 to form a second pair of movements. The compensating cylinder 126 is connected to the carriage 14 at one end and to the push beam 125 at the other end. The compensating cylinder 126 will, when operated, push the push beam 125 in relation to the carriage 14 to effect the other half of the stroke of the rock drilling apparatus.
A drill rod holder 1210 is provided at the front end of the carriage 14 for holding the front end of the drill rod 123. The tail end of the drill rod 123 is connected to a rock drill 121.
The front end of the carriage 14 is provided with a positioning cylinder 128. The front end of the positioning oil cylinder 128 is provided with a positioning rod 129, and when the positioning oil cylinder 128 stretches out, the positioning rod 129 is driven to stretch forwards until the positioning rod abuts against a working surface.
As shown in fig. 13-16, the truck-mounted crane 2 includes a support 22 fixed on the second slewing bearing device 6, one end of the support 22 is hinged to one end of a first link rod 23, the other end of the support 22 is hinged to one end of a second link rod 24, and the other ends of the first link rod 23 and the second link rod 24 are respectively hinged to two positions in the axial direction of a suspension arm 25, so that the support 22, the first link rod 23, the second link rod 24 and the suspension arm 25 form a four-bar mechanism. The two opposite angle hinge points of the four-bar linkage are connected with a driving oil cylinder 26. The rear end of the boom 25 is provided with a winch 27, the front end of the boom 25 is provided with a pulley 28 and a lifting hook 21, and a steel wire rope 29 with one end fixed at the rear end of the boom 25 extends along the boom 25 and bypasses the pulley 28 and is fixed on the winch 27 through a winch drum of the winch 27.
When the driving oil cylinder 26 stretches out, the first connecting rod 23 and the second connecting rod 24 rotate clockwise around the hinging point on the support 22, and meanwhile, the suspension arm 25 hinged with the other ends of the first connecting rod 23 and the second connecting rod 24 is lifted. When the lengths of the first connecting rod 23 and the second connecting rod 24 are equal, the horizontal posture of the suspension arm 25 cannot be changed, when the length of the first connecting rod 23 is larger than that of the second connecting rod 24, an included angle is formed between the suspension arm 25 and the horizontal plane, and the lifting hook 21 is further lifted.
When the driving oil cylinder 26 is retracted, the first connecting rod 23 and the second connecting rod 24 rotate anticlockwise around the hinge point on the support 22, meanwhile, the suspension arm 25 hinged with the other ends of the first connecting rod 23 and the second connecting rod 24 descends, and when the driving oil cylinder 26 is retracted in place, the recovery of the suspension arm 25 is completed.
The telescopic amount of the driving oil cylinder 26 and the rotation amount of the second slewing bearing device 6 are adjusted, so that the lifting operation can be completed by starting the winch 27 to drive the steel wire rope to move after the lifting hook 21 is positioned at a proper position.
As shown in fig. 17 and 18, the aerial work platform 3 includes a telescopic outer arm 31, a first cylinder 32, a telescopic inner arm 33, a connecting rod 34, a second cylinder 35, and a basket assembly 36 fixed on the third slewing bearing device 7, and the telescopic outer arm 31 is driven to revolve around the center of the third slewing bearing device 7 by driving the third slewing bearing device 7, so as to drive the whole aerial work platform 3 to revolve.
The telescopic inner arm 33 is slid inside the telescopic outer arm 31, and the first oil cylinder 32 moves relative to the telescopic outer arm 31.
The connecting rod 34 comprises two rod bodies 341, and two ends of the two rod bodies 341 are respectively hinged with the telescopic inner arm 33 and the hanging basket assembly 36 to form a group of parallelogram mechanisms. The parallelogram mechanism is connected with a second oil cylinder 35 which can rotate the connecting rod 34 clockwise or anticlockwise so as to lift or recover the hanging basket assembly 36.
Claims (4)
1. The working mechanism of the multifunctional arch-erecting rock drilling trolley is characterized by comprising an arch-grabbing rock drilling device (1) connected with the front end of a small arm (41) of a boom (4) through a first slewing bearing device (5), a truck-mounted crane (2) connected with the small arm (41) through a second slewing bearing device (6), and an overhead working platform (3) connected with the small arm (41) through a third slewing bearing device (7), wherein the arch-grabbing rock drilling device is arranged on one side of the small arm, and the truck-mounted crane and the overhead working platform are arranged on the other side of the small arm;
The arch grabbing and rock drilling device comprises a sliding frame (14), wherein an arch grabbing device (11) is arranged on the top surface or the bottom surface of the sliding frame, and a rock drilling device (12) is arranged on the opposite surface of the installation surface of the arch grabbing device; one side of the middle part of the sliding frame is fixed at one end of an X-axis rotating device (13) which can enable the sliding frame to turn over;
The arch grabbing device comprises an arch grabbing seat (113), two ends of the arch grabbing seat are respectively provided with a clamping structure (111) and a guiding structure (112), the clamping structure comprises two mounting seats (1115) which are respectively connected and fixed on two sides of the arch grabbing seat, the middle parts of two clamping arms (1112) are respectively hinged with the outer sides of the mounting seats (1115), the upper ends of the two clamping arms are fixedly connected with one ends of a connecting plate (1113), the other ends of the two connecting plates are respectively hinged with a pressing block (1114) through a pin shaft, and a clamping oil cylinder (1111) is arranged between the lower ends of the two clamping arms; the guide structure comprises two guide plates (1121) which are oppositely arranged, and the upper ends of the two guide plates are respectively provided with oblique sides which are oppositely inclined.
2. The working mechanism of the multifunctional arch-erecting rock drilling trolley according to claim 1, wherein the rock drilling device comprises a rock drilling machine (121), an upper guide plate (122), a drill rod (123), a pushing oil cylinder (124), a pushing beam (125), a compensation oil cylinder (126) and a lower guide plate (127), 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 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.
3. The working mechanism of the multifunctional arch-erecting rock drilling trolley according to claim 1, wherein the truck-mounted crane comprises a support (22) fixed on a second slewing bearing device, one end of the support is hinged with one end of a first connecting rod (23), the other end of the support is hinged with one end of a second connecting rod (24), the other ends of the first connecting rod and the second connecting rod are respectively hinged with two positions in the axial direction of a suspension arm (25), the support, the first connecting rod, the second connecting rod and the suspension arm form a four-bar mechanism, two opposite angle hinge points of the four-bar mechanism are connected with a driving oil cylinder (26), a winch (27) is arranged at the rear end of the suspension arm, a pulley (28) and a lifting hook (21) are arranged at the front end of the suspension arm, and a steel wire rope (29) with one end fixed at the rear end of the suspension arm extends along the suspension arm and bypasses the pulley and is fixed on the winch through a winch drum of the winch.
4. The working mechanism of the multifunctional arch-erecting rock drilling trolley according to claim 1, wherein the aerial working platform comprises a telescopic outer arm (31), a telescopic inner arm (33) is sleeved in the telescopic outer arm in a sliding manner, one end of a first oil cylinder (32) is connected with the telescopic outer arm, and the other end of the first oil cylinder is connected with the telescopic inner arm; a connecting rod (34) comprises two rod bodies (341), two ends of the two rod bodies are respectively hinged with the telescopic inner arm and the hanging basket assembly (36) to form a group of parallelogram mechanisms, and two opposite angle hinging points of the parallelogram mechanisms are connected with a second oil cylinder (35) which can enable the connecting rod to rotate clockwise or anticlockwise so as to lift or recover the hanging basket assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711399149.1A CN107916897B (en) | 2017-12-22 | 2017-12-22 | Working mechanism of multifunctional arch-erecting rock drilling trolley |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711399149.1A CN107916897B (en) | 2017-12-22 | 2017-12-22 | Working mechanism of multifunctional arch-erecting rock drilling trolley |
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| Publication Number | Publication Date |
|---|---|
| CN107916897A CN107916897A (en) | 2018-04-17 |
| CN107916897B true CN107916897B (en) | 2024-06-21 |
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| CN201711399149.1A Active CN107916897B (en) | 2017-12-22 | 2017-12-22 | Working mechanism of multifunctional arch-erecting rock drilling trolley |
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| CN114575898A (en) * | 2022-03-22 | 2022-06-03 | 中铁工程装备集团有限公司 | Arch anchor integrated operation trolley and construction method thereof |
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