CN113123787A - Rapid roadway tunneling system - Google Patents
Rapid roadway tunneling system Download PDFInfo
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- CN113123787A CN113123787A CN202110572199.5A CN202110572199A CN113123787A CN 113123787 A CN113123787 A CN 113123787A CN 202110572199 A CN202110572199 A CN 202110572199A CN 113123787 A CN113123787 A CN 113123787A
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- turntable
- telescopic cylinder
- tunneling
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- 230000005641 tunneling Effects 0.000 title claims abstract description 55
- 239000003245 coal Substances 0.000 claims abstract description 30
- 238000004873 anchoring Methods 0.000 claims abstract description 18
- 230000000712 assembly Effects 0.000 claims description 32
- 238000000429 assembly Methods 0.000 claims description 32
- 239000011435 rock Substances 0.000 claims description 21
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 238000009412 basement excavation Methods 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/66—Machines for making slits with additional arrangements for drilling
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
- E21C25/10—Rods; Drums
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/68—Machines for making slits combined with equipment for removing, e.g. by loading, material won by other means
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/20—General features of equipment for removal of chippings, e.g. for loading on conveyor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
Abstract
The invention discloses a roadway rapid tunneling system, which comprises a tunneling and anchoring all-in-one machine, a traction type conveyor, a straddle type drill carriage, a plurality of gate type hydraulic supports and a moving vehicle, the rubber belt conveyor and the air cylinder assembly are arranged behind the traction type conveyor, and the air cylinder assembly comprises an air cylinder and an exhaust fan. The rapid tunneling system for the tunnel can improve the tunneling efficiency of the tunnel and the production efficiency of a coal mine.
Description
Technical Field
The invention relates to the technical field of coal mine roadway tunneling, in particular to a rapid roadway tunneling system.
Background
Before coal mining operation of a coal mine, a return air roadway and a transportation roadway need to be firstly tunneled on two sides of a coal seam to be mined, in the related technology, the arrangement of the return air roadway and the transportation roadway mostly adopts a mode of cross operation of a tunneling machine and an anchor rod drill carriage, the mode of the cross operation enables the tunneling speed of the roadway to be low, the tunneling efficiency to be low, and the production efficiency of the coal mine is limited.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, the embodiment of the invention provides a rapid tunneling system for a roadway, which can improve the tunneling efficiency and is beneficial to improving the production efficiency of a coal mine.
The roadway rapid tunneling system according to the embodiment of the invention comprises: the tunneling and anchoring all-in-one machine comprises a rack, and a tunneling roller, a front side protection assembly, a shovel plate assembly and a conveying trough assembly which are arranged on the rack, wherein the shovel plate assembly is arranged at the bottom of the front end of the rack, the shovel plate assembly comprises two turntable assemblies, the two turntable assemblies are arranged at intervals along the width direction of the rack, the interval between the two turntable assemblies is adjustable, the tunneling roller is arranged above the shovel plate assembly, the front side protection assembly is arranged at the rear side of the tunneling roller, the conveying trough assembly extends along the length direction of the frame, at least part of the conveying trough assembly is matched between the two turntable assemblies, and the inlet dimension of the conveying trough assembly can be adjusted along with the adjustment of the interval between the two turntable assemblies; the traction conveyor is arranged at the rear end of the tunneling and anchoring all-in-one machine, can synchronously move forwards along with the tunneling and anchoring all-in-one machine, and is used for receiving and transshipping the coal rocks conveyed by the conveying trough assembly; the straddle-type drill carriage straddles the outer peripheral side of the traction conveyor and is used for carrying out anchor rod or anchor cable support on a roadway top plate and a side wall; the gate-type hydraulic supports are arranged at intervals along the front and rear direction, the moving vehicle is guided to slide and fit on the traction conveyor, and the moving vehicle is used for moving the gate-type hydraulic supports forwards; the rubber belt conveyor is arranged behind the traction type conveyor and is used for carrying and loading the coal rocks conveyed by the traction type conveyor; the air duct assembly comprises an air duct and an exhaust fan, the air duct is laid by the traction type conveyor, the exhaust fan is connected in series on the air duct, and the exhaust fan is arranged at the rear part of the straddle type drill carriage.
According to the rapid tunneling system for the tunnel, which is disclosed by the embodiment of the invention, the tunneling efficiency and the coal mine production efficiency can be improved.
In some embodiments, the turntable assembly comprises a turntable base and a shifting turntable, the shifting turntable is rotatably assembled on the turntable base, the turntable base is assembled on the frame in a guiding and sliding manner along the width direction of the frame, a first telescopic cylinder and a second telescopic cylinder are arranged between the turntable bases of the two turntable assemblies and are arranged in a mirror symmetry manner, one end of the first telescopic cylinder is connected with the frame, the other end of the first telescopic cylinder is connected with one of the two turntable bases, one end of the second telescopic cylinder is connected with the frame, the other end of the second telescopic cylinder is connected with the other of the two turntable bases, and the first telescopic cylinder and the second telescopic cylinder are respectively used for driving the corresponding turntable bases to move along the width direction of the frame.
In some embodiments, the turntable assemblies further include baffle plates, the baffle plates of the two turntable assemblies are arranged in a mirror symmetry manner, the baffle plates of the two turntable assemblies are both located at the front end of the conveyor chute assembly and form part of the chute wall of the conveyor chute assembly, one end of each baffle plate is hinged to the turntable assembly, the other end of each baffle plate is provided with a hinge ball, the conveyor chute assembly is provided with a sliding groove, and the hinge ball is rotatably and slidably assembled in the sliding groove.
In some embodiments, the front side guard assembly includes a side guard plate, two third telescopic cylinders and two fourth telescopic cylinders, the two third telescopic cylinders are arranged at intervals along the width direction of the frame, the bottom ends of the two third telescopic cylinders are both hinged to the frame, the side guard is both hinged to the top ends of the two third telescopic cylinders, one end of one of the two fourth telescopic cylinders is hinged to the frame, the other end of the one of the two fourth telescopic cylinders is hinged to the wall of the one third telescopic cylinder, one end of the other of the one fourth telescopic cylinders is hinged to the frame, the other end of the other fourth telescopic cylinder is hinged to the wall of the other third telescopic cylinder, the third telescopic cylinder and the corresponding fourth telescopic cylinder are arranged in a herringbone manner, and the fourth telescopic cylinders are used for driving the third telescopic cylinders to swing back and forth.
In some embodiments, the moving vehicle is in a door shape, the moving vehicle straddles the traction conveyor, moving guide grooves are formed in two sides of the traction conveyor, and rollers are arranged at the bottom of the moving vehicle, and at least part of the rollers are embedded in the moving guide grooves and can roll along the moving guide grooves.
In some embodiments, the moving vehicle comprises a moving platform and a vehicle body, the moving platform is arranged on the vehicle body, the height of the moving platform is adjustable, and the rollers are rotatably assembled at the bottom of the vehicle body.
In some embodiments, an arc-shaped support plate is arranged on the straddle-type drill carriage, at least part of the air pipe is matched in the arc-shaped support plate, and the air pipe can move relative to the arc-shaped support plate.
In some embodiments, a plurality of clamping grooves are uniformly distributed on the inner peripheral wall of the arc-shaped support plate, balls are embedded in the clamping grooves, at least part of the balls are leaked from openings of the clamping grooves, and the outer peripheral wall of the air pipe is abutted against the balls to realize rolling sliding assembly of the air pipe and the arc-shaped support plate.
In some embodiments, the arc-shaped support plate comprises a first section, a second section and a third section, the second section is connected between the first section and the third section, the radial dimension of the second section is the same along the front-back direction, the radial dimension of the first section is gradually reduced along the back-to-front direction, the minimum radial dimension of the first section is the same as the radial dimension of the second section, the radial dimension of the third section is gradually increased along the back-to-front direction, and the minimum radial dimension of the third section is the same as the radial dimension of the second section.
In some embodiments, at least a portion of the pull conveyor and the belt conveyor are arranged in parallel, and a rear end of the pull conveyor is provided with a self-moving conveyor tail through which coal rocks on the pull conveyor are transferred onto the belt conveyor.
Drawings
Fig. 1 is a schematic plan view of the overall structure of a rapid tunnel boring system according to an embodiment of the present invention.
Fig. 2 is a front side perspective view of the tunneling and anchoring all-in-one machine in fig. 1.
Figure 3 is a rear perspective view of the machine of figure 1.
Fig. 4 is a schematic layout of the first and second telescoping cylinders of the turntable assembly of fig. 2.
Fig. 5 is a schematic view of a baffle arrangement of the turntable assembly of fig. 2.
FIG. 6 is a front side schematic view of the front highwall assembly of FIG. 1.
FIG. 7 is a side schematic view of the front highwall assembly of FIG. 6.
Fig. 8 is a schematic top view of the curved support plate in the straddle drill rig of fig. 1.
Reference numerals:
a digging and anchoring integrated machine 1; a heading drum 11; a front highwall assembly 12; a side protection plate 121; a third telescopic cylinder 122; a fourth telescopic cylinder 123; a blade assembly 13; a first telescopic cylinder 131; a second telescoping cylinder 132; a first rail 133; a second track 134; a turntable base 135; the dial 136 is toggled; a baffle 137; a hinge ball 138; a chute 139; a trough assembly 14;
a traction conveyor 2;
a straddle-type drill carriage 3; an arc-shaped support plate 31; a first segment 311; a second segment 312; a third segment 313; balls 314;
a gate-type hydraulic support 4;
a transfer vehicle 5;
a belt conveyor 6;
an air duct assembly 7; an air duct 71; an exhaust fan 72;
a self-moving conveyor tail 8.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
As shown in fig. 1 to 8, the rapid tunnel excavation system according to the embodiment of the present invention includes an all-in-one machine 1, a traction conveyor 2, a straddle type drill carriage 3, a plurality of gate type hydraulic supports 4, a transfer carriage 5, a belt conveyor 6, and a wind barrel assembly 7.
The tunneling and anchoring all-in-one machine 1 comprises a rack, a tunneling roller 11, a front side protection component 12, a shovel plate component 13 and a conveying trough component 14, wherein the tunneling roller 11, the front side protection component 12, the shovel plate component 13 and the conveying trough component 14 are arranged on the rack, the shovel plate component 13 is arranged at the bottom of the front end of the rack, the shovel plate component 13 comprises two rotary table assemblies, the two rotary table assemblies are arranged at intervals in the width direction of the rack, the interval between the two rotary table assemblies is adjustable, the tunneling roller 11 is arranged above the shovel plate component 13, the front side protection component 12 is arranged on the rear side of the tunneling roller 11, the conveying trough component 14 extends in the length direction of the rack, at least part of the conveying trough component 14 is matched between the two rotary table.
Specifically, as shown in fig. 1, the integrated machine 1 is arranged at the foremost end of the tunnel rapid excavation system, as shown in fig. 2, the integrated machine 1 includes a frame, a shovel plate assembly 13 is arranged at the bottom of the front end of the frame, an excavation drum 11 is arranged above the shovel plate assembly 13, and a conveyor trough assembly 14 is connected to the rear end of the shovel plate assembly 13. When the tunneling and anchoring integrated machine 1 operates, the tunneling roller 11 can cut coal rocks, the cut coal rocks can be gathered by the shovel plate assembly 13 and are conveyed backwards to the conveying trough assembly 14, and the conveying trough assembly 14 can continue to convey the coal rocks backwards.
As shown in fig. 2 and 5, the shovel plate assembly 13 includes two turntable assemblies, the two turntable assemblies include a turntable base 135 and a toggle turntable 136 rotatably assembled on the turntable base 135, the two turntable bases 135 are slidably assembled at the front end of the rack through rail guiding, and the two turntable bases 135 can be guided and moved along the left and right directions, thereby making the distance between the two turntable assemblies in the left and right directions adjustable, so that the width of the shovel plate assembly 13 can meet the requirement of the coal rock quantity, and the conveying capacity of the shovel plate assembly 13 can be adjusted.
In order to be matched with the shovel plate assembly 13, the width of the inlet end of the conveying trough assembly 14 can be synchronously adjusted along with the change of the distance between the two rotary table assemblies, so that the condition that coal rocks fall off when the width of the conveying trough assembly 14 is not matched with the distance between the two rotary table assemblies can be avoided.
The traction type conveyor 2 is arranged at the rear end of the tunneling and anchoring all-in-one machine 1, the traction type conveyor 2 can synchronously move forwards along with the tunneling and anchoring all-in-one machine 1, and the traction type conveyor 2 is used for bearing and transshipping the coal rocks conveyed by the conveying trough assembly 14. Specifically, as shown in fig. 1, the conveyor is connected to the rear end of the all-in-one machine 1 during traction, and can move forward synchronously with the all-in-one machine 1, the front end of the traction conveyor 2 is located below the rear end of the conveyor chute assembly 14, and the coal rock conveyed by the conveyor chute assembly 14 can fall onto the traction conveyor 2.
The front end of the frame of the tunneling and anchoring all-in-one machine 1 is further provided with a front side protection component 12, the front side protection component 12 has a supporting function, the front side protection component 12 is arranged behind the tunneling roller 11, and in the process that the tunneling roller 11 cuts coal rocks, the front side protection component 12 can support a top plate behind the tunneling roller 11, so that the construction safety is further guaranteed.
The straddle type drill carriage 3 straddles the peripheral side of the traction type conveyor, and the straddle type drill carriage 3 is used for carrying out anchor rod or anchor cable support on a roadway top plate and a side wall. Specifically, as shown in fig. 1, the straddle-type drill carriage 3 is in a portal shape as a whole, the straddle-type drill carriage 3 straddles over the pull-type conveyor 2, and the pull-type conveyor 2 is inserted into the straddle-type drill carriage 3. And anchor rod drilling machines or anchor cable drilling machines are arranged on the straddle type drill carriage 3, and anchor rods or anchor cables can be drilled on the top plate and the side wall of the roadway through the straddle type drill carriage 3, so that the roadway excavation can be supported in time. It should be noted that the straddle-type drill carriage 3 is self-movable relative to the pull conveyor 2, so that bolting is more flexible.
The gate-type hydraulic supports 4 are arranged on the periphery of the traction conveyor 2 in a straddling mode and located between the straddle-type drill carriage 3 and the tunneling and anchoring all-in-one machine 1, the gate-type hydraulic supports 4 are arranged at intervals in the front-rear direction, the carrier 5 is guided to slide and fit on the traction conveyor 2, and the carrier 5 is used for carrying the gate-type hydraulic supports 4 forwards.
Specifically, the gate-type hydraulic supports 4 are also in the shape of a gate, the gate-type hydraulic supports 4 straddle the outer peripheral side of the traction conveyor 2, as shown in fig. 1, the gate-type hydraulic supports 4 straddle the outer peripheral side of the traction conveyor 2 between the straddle-type drill carriage 3 and the driving and anchoring integrated machine 1, and the gate-type hydraulic supports 4 can temporarily support the roadway between the straddle-type drill carriage 3 and the driving and anchoring integrated machine 1, so that the driving safety is ensured.
The transport vehicle 5 is provided on the traction conveyor 2, the transport vehicle 5 is also in a door shape, and the coal and rock conveyed by the traction conveyor 2 can pass through the door opening of the transport vehicle 5. The transport vehicle 5 is also provided between the straddle-type drill 3 and the integrated bolting machine 1, and the transport vehicle 5 can move along the traction conveyor 2 by itself. The transfer vehicle 5 can transfer the gate type hydraulic support 4, for example, during the transfer, the gate type support can be lowered until the gate type support contacts with the top of the transfer vehicle 5, then the gate type hydraulic support 4 can be transferred forward by the transfer vehicle 5, and after the gate type hydraulic support is transferred to the place, the gate type hydraulic support 4 can be lifted up again for support.
The rubber belt conveyor 6 is arranged behind the traction conveyor 2, and the traction conveyor 2 is used for receiving and transferring the coal and rock conveyed by the traction conveyor 2. Specifically, as shown in fig. 1, the belt conveyor 6 is connected to the rear end of the pull conveyor 2, for example, the rear end of the pull conveyor 2 may overlap the belt conveyor 6, and thereby, the coal rock conveyed by the pull conveyor 2 may be directly transferred onto the belt conveyor 6.
The air duct assembly 7 comprises an air duct 71 and an exhaust fan 72, the air duct 71 is laid along the traction conveyor 2, the exhaust fan 72 is connected in series with the air duct 71, and the exhaust fan 72 is arranged behind the straddle type drill carriage 3. Specifically, as shown in fig. 1, the air duct assembly 7 can supply fresh air to the heading face, and can improve the working environment of the heading face. The air duct 71 of the air duct assembly 7 is laid along the traction conveyor 2, for example, the air duct 71 may be laid above the traction conveyor 2, the exhaust fan 72 is installed on the air duct 71, the exhaust fan 72 may form a negative pressure in the air duct 71, so as to be able to pump air and air at the excavation working face to the outside, and fresh air may flow to the excavation working face via the roadway formed by excavation.
Preferably, the suction fan 72 is arranged behind the straddle-type drill carriage 3, so that on one hand, the interference of the straddle-type drill carriage 3 can be avoided, and on the other hand, the suction fan 72 is close to the tunneling working surface, so that the drawing force is stronger.
According to the roadway rapid tunneling system provided by the embodiment of the invention, the straddle type drill carriage 3 can support at the rear in time while the tunneling and anchoring integrated machine 1 cuts coal rocks, so that the parallel operation of a tunneling process and a supporting process is realized, and the coal rocks generated in the tunneling process can be directly conveyed to the outer side, so that the tunneled roadway can be formed at one time, the tunneling efficiency of the roadway is improved, and the production efficiency of a coal mine is further improved.
In some embodiments, the turntable assembly includes a turntable base 135 and a dial turntable 136, the dial turntable 136 is rotatably assembled on the turntable base 135, the turntable base 135 is assembled on the vehicle frame in a guiding and sliding manner along the width direction of the vehicle frame, a first telescopic cylinder 131 and a second telescopic cylinder 132 are disposed between the turntable bases 135 of the two turntable assemblies, the first telescopic cylinder 131 and the second telescopic cylinder 132 are arranged in a mirror symmetry manner, one end of the first telescopic cylinder 131 is connected with the machine frame, the other end of the first telescopic cylinder 131 is connected with one of the two turntable bases 135, one end of the second telescopic cylinder 132 is connected with the machine frame, the other end of the second telescopic cylinder 132 is connected with the other of the two turntable bases 135, and the first telescopic cylinder 131 and the second telescopic cylinder 132 are respectively used for driving the corresponding turntable bases 135 to move along the width.
Specifically, as shown in fig. 4 and 5, the front end of the rack is provided with a first rail 133 and a second rail 134, the axis of the first rail 133 coincides with the axis of the second rail 134, the first rail 133 and the second rail 134 both extend along the left-right direction, and the first rail 133 and the second rail 134 are respectively located at the left side and the right side of the conveyor slot assembly 14, for convenience of description, the turntable bases 135 of the two turntable assemblies are respectively referred to as a first turntable base 135 and a second turntable base 135, wherein the first turntable base 135 is slidably assembled on the first rail 133 in a guiding manner, and the second turntable base 135 is slidably assembled on the second rail 134 in a guiding manner. The front end of the rack is also provided with a first telescopic cylinder 131 and a second telescopic cylinder 132, the first telescopic cylinder 131 and the second telescopic cylinder 132 are respectively arranged at the left side and the right side of the conveying trough assembly 14, wherein one end of the first telescopic cylinder 131 is hinged with the rack, the other end of the first telescopic cylinder 131 is hinged with the first turntable base 135, the first turntable base 135 can be guided and driven by the stretching of the first telescopic cylinder 131, similarly, one end of the second telescopic cylinder 132 is hinged with the rack, the other end of the second telescopic cylinder is hinged with the second turntable base 135, the second turntable base 135 can be guided and driven by the stretching of the second telescopic cylinder 132, and therefore, the distance between the two turntable assemblies can be adjusted. It should be noted that, during adjustment, the corresponding turntable assembly may be adjusted independently through the first telescopic cylinder 131 or the second telescopic cylinder 132, so that the adjustment of the inclination direction of the inlet of the shovel plate assembly 13 may be satisfied, and the transfer requirement of coal rocks at different width positions may be satisfied.
In some embodiments, the turntable assembly further comprises a baffle 137, the baffles 137 of the two turntable assemblies are arranged in a mirror symmetry manner, the baffles 137 of the two turntable assemblies are both located at the front end of the conveyor pan assembly 14 and form part of the groove wall of the conveyor pan assembly 14, one end of the baffle 137 is hinged to the turntable assembly, the other end of the baffle 137 is provided with a hinge ball 138, the conveyor pan assembly 14 is provided with a slide groove 139, and the hinge ball 138 is rotatably and slidably mounted in the slide groove 139.
Specifically, as shown in fig. 5, the baffle 137 is a rectangular plate, and since the baffle 137 of the two turntable assemblies are arranged in the same manner, the two baffle 137 are arranged in mirror symmetry, and the following description will be given only by taking the first turntable assembly as an example.
One end of the baffle 137 of the first turntable assembly is hinged to the turntable base 135 of the first turntable assembly. The other end of the baffle 137 is provided with a hinge ball 138, the hinge ball 138 is a round ball, the left outer wall of the conveyor chute assembly 14 is provided with a sliding chute 139, the sliding chute 139 extends along the front-back direction, the hinge ball 138 is clamped in the sliding chute 139, when the first turntable assembly moves towards the left side, the baffle 137 is pulled, and the hinge ball 138 guides and moves in the sliding chute 139, so that the coordination of the movement of the baffle 137 and the first turntable assembly is realized. Because the two baffle plates 137 are in mirror symmetry and are in a splayed shape, the opening size of the inlet end of the conveying trough assembly 14 can be adjusted by adjusting the opening angle of the two baffle plates 137.
In some embodiments, the front side guard assembly 12 includes a side guard plate 121, two third telescopic cylinders 122 and two fourth telescopic cylinders 123, the two third telescopic cylinders 122 are arranged at intervals along the width direction of the vehicle frame, the bottom ends of the two third telescopic cylinders 122 are both hinged to the vehicle frame, the side guard is both hinged to the top ends of the two third telescopic cylinders 122, one end of one of the two fourth telescopic cylinders 123 is hinged to the vehicle frame, the other end of the one fourth telescopic cylinder 123 is hinged to the cylinder wall of the one third telescopic cylinder 122, one end of the other fourth telescopic cylinder 123 is hinged to the vehicle frame, the other end of the other fourth telescopic cylinder 123 is hinged to the cylinder wall of the other third telescopic cylinder 122, the third telescopic cylinder 122 and the corresponding fourth telescopic cylinder 123 are arranged in a herringbone manner, and the fourth telescopic cylinders 123 are used for driving the third telescopic cylinders 122 to swing back and forth.
Specifically, as shown in fig. 6 and 7, two third telescopic cylinders 122 are respectively disposed on the left and right sides of the conveyor chute assembly 14, two fourth telescopic cylinders 123 are also respectively disposed on the left and right sides of the conveyor chute assembly 14, wherein the bottom ends of the two third telescopic cylinders 122 are both hinged to the frame, the top ends of the two third telescopic cylinders 122 are both hinged to the side protection plate 121, and the height of the side protection plate 121 can be adjusted by adjusting the telescopic amount of the two third telescopic cylinders 122 at the same time, so that temporary support of the top plate can be realized. Because the upper protection plate 121 is hinged to the top ends of the two third telescopic cylinders 122, the inclination angle of the upper protection plate 121 can be adaptively adjusted along with the inclination angle of the top plate.
The two fourth telescopic cylinders 123 are connected to the two third telescopic cylinders 122 in a one-to-one correspondence manner, wherein the two fourth telescopic cylinders 123 are respectively disposed at the front sides of the corresponding third telescopic cylinders 122, as shown in fig. 7, the top ends of the fourth telescopic cylinders 123 are connected to the cylinder walls of the corresponding third telescopic cylinders 122, the bottom ends of the fourth telescopic cylinders 123 are hinged to the frame, and the front and rear inclination angles of the third telescopic cylinders 122 can be adjusted by the extension and retraction of the fourth telescopic cylinders 123, so that the supporting position of the side protection plate 121 can be adaptively adjusted along with the position of the heading drum 11.
In some embodiments, the transportation cart 5 is door-shaped, the transportation cart 5 straddles the traction conveyor 2, transportation guide grooves are formed on both sides of the traction conveyor 2, and rollers are disposed on the bottom of the transportation cart 5, at least some of which are embedded in the transportation guide grooves and can roll along the transportation guide grooves. Specifically, the moving vehicle 5 is in a shape of a door as a whole, the moving vehicle 5 is arranged on the traction conveyor 2, moving guide grooves are formed in the edge positions of two sides of a frame of the traction conveyor 2, the moving guide grooves extend along the front-back direction, rollers are arranged at the bottoms of two sides of the moving vehicle 5, and the rollers are inserted into the corresponding moving guide grooves, so that the rollers of the moving vehicle 5 can roll in the moving guide grooves, the moving vehicle 5 can move relative to the traction conveyor 2, and the carrying of the door-type hydraulic support 4 is facilitated.
In some embodiments, the moving vehicle 5 includes a moving platform and a vehicle body, the moving platform is disposed on the vehicle body, the height of the moving platform is adjustable, and the rollers are rotatably mounted on the bottom of the vehicle body. Specifically, the moving platform is arranged at the top of the body of the moving vehicle 5, the height of the moving platform can be automatically adjusted in the vertical direction, for example, a scissor-type lifting frame or a hydraulic cylinder can be arranged on the body of the moving vehicle 5, and the moving platform is arranged at the top of the scissor-type lifting frame or the hydraulic cylinder. Because the height of the moving platform is adjustable, the descending gate-type hydraulic support 4 can be lifted by a certain height again by lifting the moving platform when the gate-type hydraulic support 4 is moved, so that the bottom of the gate-type hydraulic support 4 is separated from the bottom plate, and the door-type hydraulic support 4 is convenient to carry.
In some embodiments, the straddle-type drill carriage 3 is provided with an arc-shaped support plate 31, at least a portion of the air duct 71 is fitted in the arc-shaped support plate 31, and the air duct 71 is relatively movable with respect to the arc-shaped support plate 31. Specifically, arc support plate 31 is similar to the half slot, and the opening of arc support plate 31 is up, and tuber pipe 71 wears to establish in arc support plate 31, and arc support plate 31 has the supporting role, and when the drill carriage removed when striding, tuber pipe 71 can remove in arc support plate 31, has played the effect of protection tuber pipe 71.
In some embodiments, a plurality of clamping grooves are uniformly distributed on the inner peripheral wall of the arc-shaped support plate 31, the balls 314 are embedded in the clamping grooves, at least part of the balls 314 leak out from openings of the clamping grooves, and the outer peripheral wall of the air pipe 71 is stopped against the balls 314 to realize rolling sliding assembly of the air pipe 71 and the arc-shaped support plate 31. As shown in fig. 8, arc support plate 31 has certain thickness, and the equipartition has many draw-in grooves on the internal perisporium of arc support plate 31, has all embedded ball 314 in every draw-in groove, and every ball 314 all leaks from the opening part of draw-in groove, and from this, the outer pipe wall of tuber pipe 71 can contact with ball 314, and the setting of ball 314 makes the friction between tuber pipe 71 and the arc support plate 31 become rolling friction to reduce frictional resistance, made things convenient for the gliding of tuber pipe 71 in arc support plate 31.
In some embodiments, the arc support plate 31 includes a first segment 311, a second segment 312, and a third segment 313, the second segment 312 is connected between the first segment 311 and the third segment 313, a radial dimension of the second segment 312 is the same along the front-to-rear direction, a radial dimension of the first segment 311 is gradually reduced along the rear-to-front direction, a minimum radial dimension of the first segment 311 is the same as a radial dimension of the second segment 312, a radial dimension of the third segment 313 is gradually increased along the rear-to-front direction, and a minimum radial dimension of the third segment 313 is the same as a radial dimension of the second segment 312.
Specifically, as shown in fig. 8, along the front-back direction, the arc support plate 31 includes a first section 311, a second section 312 and a third section 313, where the second section 312 is a straight semicircular groove, the first section 311 and the third section 313 are both tapered grooves, the radial dimension of the first section 311 gradually decreases along the direction from back to front, the radial dimension of the third section 313 gradually increases along the direction from back to front, and the minimum radial dimensions of the first section 311 and the third section 313 are both the same as the radial dimension of the second section 312, so that the openings at the front end and the rear end of the arc support plate 31 exhibit a gradually changing trend, which has an effect of guiding the air duct 71 on one hand, and also avoids a situation that the air duct 71 and the front and rear edges of the arc support plate 31 are cut on the other hand, thereby playing a role of protecting the air duct.
In some embodiments, at least part of the pull conveyor 2 and the belt conveyor are arranged in parallel, the rear end of the pull conveyor 2 is provided with a self-moving conveyor tail 8, and the coal rocks on the pull conveyor 2 are transferred onto the belt conveyor through the self-moving conveyor tail 8. Specifically, as shown in fig. 1, at least a part of the pull conveyor 2 is arranged in parallel with the belt conveyor, a self-moving conveyor tail 8 is provided at the tail end of the pull conveyor 2, and the self-moving conveyor tail 8 can be overlapped on the belt conveyor, thereby realizing the butt joint of the pull conveyor 2 and the belt conveyor.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A rapid roadway excavation system, comprising:
the tunneling and anchoring all-in-one machine comprises a rack, and a tunneling roller, a front side protection assembly, a shovel plate assembly and a conveying trough assembly which are arranged on the rack, wherein the shovel plate assembly is arranged at the bottom of the front end of the rack, the shovel plate assembly comprises two turntable assemblies, the two turntable assemblies are arranged at intervals along the width direction of the rack, the interval between the two turntable assemblies is adjustable, the tunneling roller is arranged above the shovel plate assembly, the front side protection assembly is arranged at the rear side of the tunneling roller, the conveying trough assembly extends along the length direction of the frame, at least part of the conveying trough assembly is matched between the two turntable assemblies, and the inlet dimension of the conveying trough assembly can be adjusted along with the adjustment of the interval between the two turntable assemblies;
the traction conveyor is arranged at the rear end of the tunneling and anchoring all-in-one machine, can synchronously move forwards along with the tunneling and anchoring all-in-one machine, and is used for receiving and transshipping the coal rocks conveyed by the conveying trough assembly;
the straddle-type drill carriage straddles the outer peripheral side of the traction conveyor and is used for carrying out anchor rod or anchor cable support on a roadway top plate and a side wall;
the gate-type hydraulic supports are arranged at intervals along the front and rear direction, the moving vehicle is guided to slide and fit on the traction conveyor, and the moving vehicle is used for moving the gate-type hydraulic supports forwards;
the rubber belt conveyor is arranged behind the traction type conveyor and is used for carrying and loading the coal rocks conveyed by the traction type conveyor;
the air duct assembly comprises an air duct and an exhaust fan, the air duct is laid by the traction type conveyor, the exhaust fan is connected in series on the air duct, and the exhaust fan is arranged at the rear part of the straddle type drill carriage.
2. The rapid tunnel boring system of claim 1, wherein the turntable assembly comprises a turntable base and a toggle turntable, the dial turnplate is rotatably assembled on the turnplate base, the turnplate base is assembled on the frame in a guiding and sliding way along the width direction of the frame, a first telescopic cylinder and a second telescopic cylinder are arranged between the turnplate bases of the two turnplate assemblies, the first telescopic cylinder and the second telescopic cylinder are arranged in a mirror symmetry mode, one end of the first telescopic cylinder is connected with the rack, the other end of the first telescopic cylinder is connected with one of the two turntable bases, one end of the second telescopic cylinder is connected with the frame, the other end of the second telescopic cylinder is connected with the other of the two turntable bases, the first telescopic cylinder and the second telescopic cylinder are respectively used for driving the corresponding turntable base to move along the width direction of the frame.
3. The rapid tunneling system according to claim 2, wherein the turntable assemblies further comprise baffle plates, the baffle plates of the two turntable assemblies are arranged in a mirror symmetry manner, the baffle plates of the two turntable assemblies are both located at the front end of the conveyor chute assembly and form part of the chute wall of the conveyor chute assembly, one end of each baffle plate is hinged to the turntable assembly, the other end of each baffle plate is provided with a hinge ball, the conveyor chute assembly is provided with a chute, and the hinge ball is rotatably and slidably mounted in the chute.
4. The rapid roadway tunneling system according to claim 1, wherein the front side guard assembly comprises a side guard plate, two third telescopic cylinders and two fourth telescopic cylinders, the two third telescopic cylinders are arranged at intervals along the width direction of the frame, the bottom ends of the two third telescopic cylinders are hinged to the frame, the side guard plate is hinged to the top ends of the two third telescopic cylinders, one end of one of the two fourth telescopic cylinders is hinged to the frame, the other end of the one fourth telescopic cylinder is hinged to the cylinder wall of the one third telescopic cylinder, one end of the other fourth telescopic cylinder is hinged to the frame, the other end of the other fourth telescopic cylinder is hinged to the cylinder wall of the other third telescopic cylinder, the third telescopic cylinder and the corresponding fourth telescopic cylinders are arranged in a herringbone manner, and the fourth telescopic cylinders are used for driving the third telescopic cylinders to swing back and forth.
5. The rapid tunneling system according to claim 1, wherein the moving vehicle is portal-shaped, the moving vehicle straddles the traction conveyor, moving guide grooves are provided on both sides of the traction conveyor, and rollers are provided on the bottom of the moving vehicle, at least some of the rollers are embedded in the moving guide grooves and can roll along the moving guide grooves.
6. The rapid roadway tunneling system according to claim 5, wherein the moving vehicle comprises a moving platform and a vehicle body, the moving platform is arranged on the vehicle body, the height of the moving platform is adjustable, and the rollers are rotatably assembled at the bottom of the vehicle body.
7. The rapid tunnel boring system according to claim 1, wherein an arc-shaped support plate is provided on the straddle-type drill carriage, at least a part of the air duct is fitted in the arc-shaped support plate, and the air duct is relatively movable with respect to the arc-shaped support plate.
8. The rapid tunneling system according to claim 7, wherein a plurality of clamping grooves are uniformly formed in the inner peripheral wall of the arc-shaped support plate, balls are embedded into the clamping grooves, at least part of the balls are leaked out from the openings of the clamping grooves, and the outer peripheral wall of the air pipe is abutted against the balls to achieve rolling sliding assembly of the air pipe and the arc-shaped support plate.
9. The rapid tunnel boring system according to claim 8, wherein the arc-shaped support plate comprises a first section, a second section and a third section, the second section is connected between the first section and the third section, the radial dimension of the second section is the same in the front-rear direction, the radial dimension of the first section gradually decreases in the rear-to-front direction, the minimum radial dimension of the first section is the same as the radial dimension of the second section, the radial dimension of the third section gradually increases in the rear-to-front direction, and the minimum radial dimension of the third section is the same as the radial dimension of the second section.
10. The rapid tunneling system according to any one of claims 1-9, wherein at least part of the traction conveyor and the belt conveyor are arranged in parallel, and the rear end of the traction conveyor is provided with a self-moving conveyor tail through which the coal rocks on the traction conveyor are transferred onto the belt conveyor.
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