CN113123787B - Roadway rapid tunneling system - Google Patents
Roadway rapid tunneling system Download PDFInfo
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- CN113123787B CN113123787B CN202110572199.5A CN202110572199A CN113123787B CN 113123787 B CN113123787 B CN 113123787B CN 202110572199 A CN202110572199 A CN 202110572199A CN 113123787 B CN113123787 B CN 113123787B
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- 230000005641 tunneling Effects 0.000 title claims abstract description 72
- 230000000712 assembly Effects 0.000 claims abstract description 32
- 238000000429 assembly Methods 0.000 claims abstract description 32
- 239000003245 coal Substances 0.000 claims abstract description 30
- 238000004873 anchoring Methods 0.000 claims abstract description 25
- 230000002093 peripheral effect Effects 0.000 claims abstract description 15
- 239000011435 rock Substances 0.000 claims description 21
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000002390 adhesive tape Substances 0.000 abstract 2
- 230000002045 lasting effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003993 interaction Effects 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
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a roadway rapid tunneling system which comprises a tunneling and anchoring integrated machine, a traction type conveyor, a straddling type drill carriage, a plurality of gate type hydraulic supports, a moving vehicle, an adhesive tape conveyor and a wind barrel assembly, wherein the tunneling and anchoring integrated machine comprises a tunneling roller, a front side protection assembly, a shovel plate assembly and a conveying groove assembly, the shovel plate assembly comprises two turntable assemblies, the two turntable assemblies are arranged at intervals along the width direction of a frame, the distance between the two turntable assemblies is adjustable, the inlet size of the conveying groove assembly can be adjusted along with the distance between the two turntable assemblies, the traction type conveyor is arranged at the rear end of the tunneling and anchoring integrated machine, the straddling type drill carriage is straddled on the outer peripheral side of the traction type conveyor, the gate type hydraulic supports are straddled on the outer peripheral side of the traction type conveyor and are positioned between the straddling type drill carriage and the tunneling and anchoring integrated machine, and the adhesive tape conveyor is arranged at the rear of the traction type conveyor, and the wind barrel assembly comprises an air pipe and an exhaust fan. The rapid roadway tunneling system can improve roadway tunneling efficiency and coal mine production efficiency.
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 transport roadway are required to be tunneled at two sides of the coal seam to be mined, and in the related art, the return air roadway and the transport roadway are arranged in a manner of intersecting operation of a tunneller and an anchor rod drill carriage, and the intersecting operation manner enables the tunnelling speed to be low, the tunnelling efficiency to be low, and restricts the production efficiency of the coal mine.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems in the related art to some extent.
Therefore, the embodiment of the invention provides a rapid roadway tunneling system which can improve roadway tunneling efficiency and is beneficial to improving coal mine production efficiency.
The roadway rapid tunneling system according to the embodiment of the invention comprises: the tunneling and anchoring integrated machine comprises a frame, a tunneling roller, a front side protection assembly, a shovel plate assembly and a conveying groove assembly, wherein the tunneling roller, the front side protection assembly, the shovel plate assembly and the conveying groove assembly are arranged on the frame, the shovel plate assembly is arranged at the bottom of the front end of the frame, the shovel plate assembly comprises two turntable assemblies, the two turntable assemblies are arranged at intervals along the width direction of the frame, the distance 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 groove assembly extends along the length direction of the frame, at least part of the conveying groove assembly is matched between the two turntable assemblies, and the inlet size of the conveying groove assembly can be adjusted along with the distance adjustment of the two turntable assemblies; the traction type conveyor is arranged at the rear end of the tunneling and anchoring integrated machine, can synchronously advance along with the tunneling and anchoring integrated machine, and is used for receiving and transferring coal and rock conveyed by the conveying trough assembly; a straddle-type drill carriage straddling the outer peripheral side of the traction conveyor, the straddle-type drill carriage being used for supporting a roadway roof and a side wall by an anchor rod or an anchor cable; the plurality of gate-type hydraulic supports are respectively arranged on the outer periphery side of the traction conveyor and between the straddle-type drill carriage and the tunneling and anchoring integrated machine, the plurality of gate-type hydraulic supports are arranged at intervals along the front-back direction, the moving vehicle is in guide sliding 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 conveyor and is used for receiving and transferring the coal rocks conveyed by the traction conveyor; the wind barrel assembly comprises a wind pipe and an exhaust fan, the wind pipe is laid along the traction type conveyor, the exhaust fan is connected in series on the wind pipe, and the exhaust fan is arranged at the rear of the straddling type drill carriage.
According to the roadway rapid tunneling system provided by the embodiment of the invention, the roadway tunneling efficiency and the coal mine production efficiency can be improved.
In some embodiments, the turntable assembly comprises a turntable base and a stirring turntable, the stirring turntable is rotationally assembled on the turntable base, the turntable base is slidingly assembled on the frame along the direction of the width of the frame, a first telescopic cylinder and a second telescopic cylinder are arranged between the turntable bases of the turntable assembly, the first telescopic cylinder and the second telescopic cylinder are in mirror symmetry, 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 of the frame.
In some embodiments, the turntable assembly further comprises a baffle, the two baffles of the turntable assembly are arranged in a mirror symmetry manner, the baffles of the two turntable assemblies are both positioned at the front end of the conveying groove assembly and form part of the groove wall of the conveying groove assembly, one end of each baffle is hinged with the turntable assembly, the other end of each baffle is provided with a hinged ball, the conveying groove assembly is provided with a chute, and the hinged ball is rotatably and slidably assembled in the chute.
In some embodiments, the front side protection assembly comprises a side protection 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 protection 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 other fourth telescopic cylinder is hinged to the cylinder wall of 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 cylinders and the corresponding fourth telescopic cylinders are arranged in a adult shape, 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 shaped like a door, the moving vehicle straddles the traction conveyor, moving guide grooves are formed in two sides of the traction conveyor, 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, wherein 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, the straddle-type drill carriage is provided with an arc-shaped supporting plate, at least part of the air pipe is matched in the arc-shaped supporting plate, and the air pipe can relatively move relative to the arc-shaped supporting plate.
In some embodiments, a plurality of clamping grooves are uniformly distributed on the inner peripheral wall of the arc-shaped supporting plate, balls are embedded in the clamping grooves, at least part of the balls leak out from the opening of the clamping grooves, and the outer peripheral wall of the air pipe is abutted against the balls so as to realize rolling sliding assembly of the air pipe and the arc-shaped supporting plate.
In some embodiments, the arc-shaped support plate includes a first section, a second section, and a third section, the second section is connected between the first section and the third section, a radial dimension of the second section is the same along a front-rear direction, a radial dimension of the first section is gradually smaller along a rear-front direction, a minimum radial dimension of the first section is the same as a radial dimension of the second section, a radial dimension of the third section is gradually larger along a rear-front direction, and a minimum radial dimension of the third section is the same as a radial dimension of the second section.
In some embodiments, at least a portion of the traction conveyor and the belt conveyor are arranged in parallel, a rear end of the traction conveyor is provided with a self-moving conveyor tail, and coal rock on the traction conveyor is transferred onto the belt conveyor through the self-moving conveyor tail.
Drawings
Fig. 1 is a schematic top view of the overall structure of a roadway rapid tunneling system according to an embodiment of the present invention.
Fig. 2 is a front side perspective view of the machine of fig. 1.
Fig. 3 is a rear perspective view of the machine of fig. 1.
Fig. 4 is a schematic illustration of the arrangement of the first and second telescoping cylinders of the transfer assembly of fig. 2.
Fig. 5 is a schematic view of a baffle arrangement of the rotor assembly of fig. 2.
FIG. 6 is a schematic front side view of the front lasting assembly of FIG. 1.
FIG. 7 is a side schematic view of the front lasting assembly of FIG. 6.
Fig. 8 is a schematic top view of the arcuate support plate of the straddle drill carriage of fig. 1.
Reference numerals:
the digging and anchoring integrated machine 1; a tunneling drum 11; a front lasting assembly 12; a side protection plate 121; a third telescopic cylinder 122; a fourth telescopic cylinder 123; blade assembly 13; a first telescopic cylinder 131; a second telescopic cylinder 132; a first rail 133; a second rail 134; a turntable base 135; toggle dial 136; a baffle 137; a hinge ball 138; a chute 139; a feed tank assembly 14;
a traction conveyor 2;
a straddle drill carriage 3; an arc-shaped support plate 31; a first section 311; a second section 312; a third section 313; a ball 314;
a gate-type hydraulic support 4;
a transfer vehicle 5;
a rubber belt conveyor 6;
a wind tunnel assembly 7; an air duct 71; an exhaust fan 72;
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 by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
As shown in fig. 1 to 8, the rapid roadway driving system according to the embodiment of the present invention includes a driving and anchoring integrated machine 1, a traction conveyor 2, a straddle type drill carriage 3, a plurality of gate type hydraulic supports 4, a traveling carriage 5, a rubber belt conveyor 6 and a wind barrel assembly 7.
The tunneling and anchoring integrated machine 1 comprises a frame, a tunneling roller 11, a front side protection assembly 12, a shovel plate assembly 13 and a conveying groove assembly 14, wherein the tunneling roller 11, the front side protection assembly 12, the shovel plate assembly 13 and the conveying groove assembly 14 are arranged on the frame, the shovel plate assembly 13 is arranged at the bottom of the front end of the frame, the shovel plate assembly 13 comprises two turntable assemblies which are arranged at intervals along the width direction of the frame, the distance between the two turntable assemblies is adjustable, the tunneling roller 11 is arranged above the shovel plate assembly 13, the front side protection assembly 12 is arranged on the rear side of the tunneling roller 11, the conveying groove assembly 14 extends along the length direction of the frame, at least part of the conveying groove assembly 14 is matched between the two turntable assemblies, and the inlet size of the conveying groove assembly 14 can be adjusted along with the distance adjustment of the two turntable assemblies.
Specifically, as shown in fig. 1, the tunneling and anchoring integrated machine 1 is arranged at the forefront end of a roadway rapid tunneling system, as shown in fig. 2, the tunneling and anchoring integrated machine 1 comprises a frame, a shovel plate assembly 13 is arranged at the bottom of the front end of the frame, a tunneling roller 11 is arranged above the shovel plate assembly 13, and a conveying trough assembly 14 is connected at 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 and rock, the cut coal and rock can be gathered by the shovel plate assembly 13 and conveyed back to the conveying trough assembly 14, and the conveying trough assembly 14 can continuously convey the coal and rock back.
As shown in fig. 2 and 5, the shovel assembly 13 includes two turntable assemblies, each of which includes a turntable base 135 and a toggle turntable 136 rotatably mounted on the turntable base 135, each of the two turntable bases 135 is slidably mounted on a front end of the frame through a rail guide, and each of the two turntable bases 135 is capable of guiding and moving along a left-right direction, thereby enabling a distance between the two turntable assemblies in the left-right direction to be adjustable, and enabling a width dimension of the shovel assembly 13 to be adapted to a requirement of a coal rock amount, and enabling a conveying capacity of the shovel assembly 13 to be adjustable.
In order to adapt to the shovel plate assembly 13, the width dimension of the inlet end of the conveying trough assembly 14 can be synchronously adjusted along with the change of the interval between the two turntable assemblies, so that the condition that coal and rock fall off caused by the mismatch of the width dimension of the conveying trough assembly 14 and the interval between the two turntable assemblies can be avoided.
The traction conveyor 2 is arranged at the rear end of the digging and anchoring integrated machine 1, the traction conveyor 2 can synchronously move forward along with the digging and anchoring integrated machine 1, and the traction conveyor 2 is used for receiving and transferring coal and rock 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 conveying trough assembly 14, and the coal rock conveyed by the conveying trough assembly 14 can fall onto the traction conveyor 2.
The front end of the frame of the tunneling and anchoring integrated machine 1 is also provided with a front protection side component 12, the front protection side component 12 has a supporting function, the front protection side component 12 is arranged at the rear of the tunneling roller 11, and the front protection side component 12 can support a top plate at the rear of the tunneling roller 11 in the process of cutting coal and rock by the tunneling roller 11, so that the construction safety is further ensured.
The straddle type drill carriage 3 straddles the outer peripheral side of the traction conveyor, and the straddle type drill carriage 3 is used for supporting anchor rods or anchor ropes on a tunnel roof and side walls. Specifically, as shown in fig. 1, the entire saddle-ride type drill carriage 3 is shaped like a gate, the saddle-ride type drill carriage 3 spans over the traction conveyor 2, and the traction conveyor 2 is inserted into the saddle-ride type drill carriage 3. The jumbo 3 is provided with an anchor rod drilling machine or an anchor rope drilling machine, and anchor rods or anchor ropes can be drilled on the top plate and the side walls of the roadway through the jumbo 3, so that the timely support of the excavated roadway can be realized. It should be noted that the straddle carrier 3 is self-movable with respect to the traction conveyor 2, so that the anchor bolt support is more flexible.
The plurality of gate-type hydraulic supports 4 are all straddled on the outer peripheral side of the traction type conveyor 2 and are positioned between the straddling type drill carriage 3 and the tunneling and anchoring integrated machine 1, the plurality of gate-type hydraulic supports 4 are arranged at intervals along the front-rear direction, and the moving carriage 5 is in guiding sliding fit on the traction type conveyor 2 and is used for moving the gate-type hydraulic supports 4 forwards.
Specifically, the whole portal hydraulic support 4 is also portal-shaped, the portal hydraulic support 4 also straddles the outer peripheral side of the traction conveyor 2, as shown in fig. 1, the plurality of portal hydraulic supports 4 all straddles the outer peripheral side of the traction conveyor 2 between the straddling drill carriage 3 and the tunneling and anchoring integrated machine 1, and the portal hydraulic support 4 can temporarily support a roadway part between the straddling drill carriage 3 and the tunneling and anchoring integrated machine 1, so that tunneling safety is ensured.
The moving vehicle 5 is arranged on the traction conveyor 2, the moving vehicle 5 is also in a shape like a door, and the coal rock conveyed by the traction conveyor 2 can pass through a door opening of the moving vehicle 5. The transfer carriage 5 is similarly provided between the straddle type drill carriage 3 and the anchor-and-dig machine 1, and the transfer carriage 5 can move by itself along the traction conveyor 2. The moving vehicle 5 can carry the gate type hydraulic support 4, for example, when carrying, the gate type hydraulic support 4 can be lifted up and supported again after the gate type hydraulic support 4 is moved forward by the moving vehicle 5 after the gate type hydraulic support is lowered until the gate type hydraulic support is contacted with the top of the moving vehicle 5.
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 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 traction conveyor 2, for example, the rear end of the traction conveyor 2 may overlap the belt conveyor 6, whereby the coal rock conveyed by the traction conveyor 2 may be directly transferred onto the belt conveyor 6.
The wind tunnel assembly 7 comprises a wind tunnel 71 and a suction fan 72, the wind tunnel 71 is laid along the traction conveyor 2, the suction fan 72 is connected in series on the wind tunnel 71, and the suction fan 72 is arranged behind the straddle type drill carriage 3. In particular, as shown in fig. 1, the air duct assembly 7 is capable of supplying fresh air to the tunneling working surface and also improving the working environment of the tunneling working surface. The wind pipe 71 of the wind pipe assembly 7 is laid along the traction conveyor 2, for example, the wind pipe 71 can be laid above the traction conveyor 2, the exhaust fan 72 is installed on the wind pipe 71, the exhaust fan 72 can form negative pressure in the wind pipe 71, so that air at a tunneling working surface and pumped outside can be pumped, and fresh air can flow to the tunneling working surface through a tunnel formed by tunneling.
Preferably, the suction fan 72 is arranged behind the straddle drill carriage 3, so that on the one hand interference with the straddle drill carriage 3 is avoided, and on the other hand the suction fan 72 is made closer to the driving face, so that the suction force is stronger.
According to the rapid roadway tunneling system provided by the embodiment of the invention, the riding type drill carriage 3 can support in time at the rear when the tunneling and anchoring integrated machine 1 cuts coal and rock, parallel operation of a tunneling process and a supporting process is realized, and the coal and rock generated in the tunneling process can be directly conveyed to the outer side, so that the tunneling roadway can be molded 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 comprises a turntable base 135 and a toggle turntable 136, the toggle turntable 136 is rotationally assembled on the turntable base 135, the turntable base 135 is slidingly assembled on the frame along the width direction of the frame in a guiding way, a first telescopic cylinder 131 and a second telescopic cylinder 132 are arranged between the turntable bases 135 of the two turntable assemblies, the first telescopic cylinder 131 and the second telescopic cylinder 132 are in mirror symmetry, one end of the first telescopic cylinder 131 is connected with the frame, the other end of the first telescopic cylinder is connected with one of the two turntable bases 135, one end of the second telescopic cylinder 132 is connected with the 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 direction of the frame.
Specifically, as shown in fig. 4 and 5, the front end of the frame is provided with a first rail 133 and a second rail 134, the axis of the first rail 133 and the axis of the second rail 134 are coincident, 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 and right sides of the conveying trough assembly 14, and for convenience of description, the turntable bases 135 of the two turntable assemblies will be hereinafter referred to as a first turntable base 135 and a second turntable base 135, respectively, wherein the first turntable base 135 is guide-slidably fitted on the first rail 133, and the second turntable base 135 is guide-slidably fitted on the second rail 134. The front end of the frame 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 on the left side and the right side of the conveying groove assembly 14, one end of the first telescopic cylinder 131 is hinged with the frame, the other end of the first telescopic cylinder is hinged with the first turntable base 135, the first turntable base 135 can be guided and driven through the telescopic action of the first telescopic cylinder 131, and similarly, one end of the second telescopic cylinder 132 is hinged with the frame, 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 through the telescopic action of the second telescopic cylinder 132, and therefore, the adjustment of the interval between the two turntable assemblies is realized. During adjustment, the corresponding turntable assembly can be independently adjusted by the first telescopic cylinder 131 or the second telescopic cylinder 132, so that adjustment of the inclination direction of the inlet of the shovel assembly 13 can be satisfied, and the transfer requirements of coal and rock at different width positions can be satisfied.
In some embodiments, the turntable assembly further includes a baffle 137, the baffles 137 of the two turntable assemblies are arranged in mirror symmetry, and the baffles 137 of the two turntable assemblies are located at the front end of the conveying trough assembly 14 and form part of the trough wall of the conveying trough assembly 14, one end of the baffle 137 is hinged with the turntable assembly, the other end of the baffle 137 is provided with a hinge ball 138, the conveying trough assembly 14 is provided with a chute 139, and the hinge ball 138 is rotatably and slidably assembled in the chute 139.
Specifically, as shown in fig. 5, the baffle 137 is a rectangular plate, and since the arrangement of the baffle 137 of the two turntable assemblies is the same, the two baffles 137 are arranged in mirror symmetry, and will be described below only with reference to the first turntable assembly.
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 hinging ball 138, the hinging ball 138 is a sphere, the left outer groove wall of the conveying groove assembly 14 is provided with a sliding groove 139, the sliding groove 139 extends along the front-back direction, the hinging ball 138 is clamped in the sliding groove 139, when the first rotating disc assembly moves leftwards, the baffle 137 can be pulled, and the hinging ball 138 can guide and move in the sliding groove 139, so that the cooperation of the movement of the baffle 137 and the first rotating disc assembly is realized. Since the two baffles 137 are mirror-symmetrical and splayed, the opening size of the inlet end of the trough assembly 14 can be adjusted by adjusting the opening angle of the two baffles 137.
In some embodiments, the front lasting assembly 12 includes a lasting board 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 frame, the bottom ends of the two third telescopic cylinders 122 are all hinged to the frame, the lasting board is all 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 frame, the other end is hinged to the cylinder wall of one of the third telescopic cylinders 122, one end of the other fourth telescopic cylinder 123 is hinged to the frame, the other end is hinged to the cylinder wall of the other third telescopic cylinder 122, the third telescopic cylinders 122 and the corresponding fourth telescopic cylinders 123 are arranged in a herringbone shape, 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 conveying trough assembly 14, and two fourth telescopic cylinders 123 are also respectively disposed on the left and right sides of the conveying trough assembly 14, wherein bottom ends of the two third telescopic cylinders 122 are hinged to the frame, top ends of the two third telescopic cylinders 122 are hinged to the side protection plate 121, and the height of the side protection plate 121 can be adjusted by adjusting the telescopic amounts of the two third telescopic cylinders 122 at the same time, so that temporary support of the top plate can be achieved. Since the side protection plate 121 is hinged to the top ends of the two third telescopic cylinders 122, the inclination angle of the side protection plate 121 can be adaptively adjusted along with the inclination angle of the top plate.
The two fourth telescopic cylinders 123 are connected with the two third telescopic cylinders 122 in a one-to-one correspondence manner, wherein the two fourth telescopic cylinders 123 are respectively arranged 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 with the cylinder walls of the corresponding third telescopic cylinders 122, the bottom ends of the fourth telescopic cylinders 123 are hinged with the frame, and the adjustment of the front-back inclination angle of the third telescopic cylinders 122 can be realized through the telescopic 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 tunneling drum 11.
In some embodiments, the moving vehicle 5 is shaped like a gate, the moving vehicle 5 straddles the traction conveyor 2, moving guide grooves are formed on two sides of the traction conveyor 2, rollers are arranged at the bottom of the moving vehicle 5, and at least part of the rollers are embedded in the moving guide grooves and can roll along the moving guide grooves. Specifically, the whole moving vehicle 5 is shaped like a gate, the moving vehicle 5 is arranged on the traction type conveyor 2, moving guide grooves are formed in the edge positions of two sides of the frame of the traction type 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 and move in the moving guide grooves, the moving vehicle 5 can relatively move relative to the traction type conveyor 2, and further the moving of the gate type hydraulic support 4 is facilitated.
In some embodiments, the moving vehicle 5 comprises a moving platform and a vehicle body, wherein 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. Specifically, the moving platform is disposed at the top of the body of the moving vehicle 5, and the moving platform can automatically adjust the height in the up-down direction, for example, a scissor lift or a hydraulic cylinder may be disposed on the body of the moving vehicle 5, and the moving platform is disposed at the top of the scissor lift or the hydraulic cylinder. Because the height of the moving platform is adjustable, the moving platform can lift the lowered gate type hydraulic support 4 by a certain height again 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 gate type hydraulic support 4 is convenient to move.
In some embodiments, the straddle drill carriage 3 is provided with an arc-shaped support plate 31, at least part 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, the arc-shaped supporting plate 31 is similar to a semicircular groove, the opening of the arc-shaped supporting plate 31 faces upwards, the air pipe 71 is arranged in the arc-shaped supporting plate 31 in a penetrating mode, the arc-shaped supporting plate 31 has a supporting function, when the drill carriage moves during riding, the air pipe 71 can move in the arc-shaped supporting plate 31, and the air pipe 71 is protected.
In some embodiments, a plurality of clamping grooves are uniformly distributed on the inner peripheral wall of the arc-shaped supporting plate 31, balls 314 are embedded in the clamping grooves, at least part of the balls 314 leak out from the openings of the clamping grooves, and the outer peripheral wall of the air duct 71 abuts against the balls 314 to realize rolling sliding assembly of the air duct 71 and the arc-shaped supporting plate 31. As shown in fig. 8, the arc-shaped supporting plate 31 has a certain thickness, a plurality of clamping grooves are uniformly distributed on the inner peripheral wall of the arc-shaped supporting plate 31, balls 314 are embedded in each clamping groove, and each ball 314 leaks from the opening of each clamping groove, therefore, the outer pipe wall of the air pipe 71 can be in contact with the balls 314, the friction between the air pipe 71 and the arc-shaped supporting plate 31 is changed into rolling friction due to the arrangement of the balls 314, so that friction resistance is reduced, and the air pipe 71 is convenient to slide in the arc-shaped supporting plate 31.
In some embodiments, the arc-shaped 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, the radial dimension of the second segment 312 is the same in the front-rear direction, the radial dimension of the first segment 311 is gradually smaller in the rear-front direction, the minimum radial dimension of the first segment 311 is the same as the radial dimension of the second segment 312, the radial dimension of the third segment 313 is gradually larger in the rear-front direction, and the minimum radial dimension of the third segment 313 is the same as the radial dimension of the second segment 312.
Specifically, as shown in fig. 8, along the front-rear direction, the arc-shaped support plate 31 includes a first section 311, a second section 312 and a third section 313, wherein the second section 312 is a flat semicircular groove, the first section 311 and the third section 313 are both tapered grooves, the radial dimension of the first section 311 is gradually reduced along the rear-front direction, the radial dimension of the third section 313 is gradually increased along the rear-front direction, and the minimum radial dimension of the first section 311 and the third section 313 is the same as the radial dimension of the second section 312, thereby, the openings at the front end and the rear end of the arc-shaped support plate 31 show a gradually changing trend, on one hand, the function of guiding the air duct 71 is realized, and on the other hand, the situation that the air duct 71 is cut with the front edge and the rear edge of the arc-shaped support plate 31 is also avoided, and the function of protecting the air duct 71 is realized.
In some embodiments, at least part of the traction conveyor 2 and the belt conveyor are arranged in parallel, the rear end of the traction conveyor 2 is provided with a self-moving conveyor tail 8, and the coal rock on the traction conveyor 2 is transferred onto the belt conveyor through the self-moving conveyor tail 8. Specifically, as shown in fig. 1, at least part of the traction conveyor 2 is arranged in parallel with the belt conveyor, a self-moving conveyor tail 8 is arranged at the tail end of the traction conveyor 2, and the self-moving conveyor tail 8 can be lapped on the belt conveyor, thereby realizing the butt joint of the traction conveyor 2 and the belt conveyor.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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 present invention. In this specification, schematic representations of the above terms are not necessarily directed 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, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (7)
1. A roadway rapid tunneling system, comprising:
the tunneling and anchoring integrated machine comprises a frame, a tunneling roller, a front side protection assembly, a shovel plate assembly and a conveying groove assembly, wherein the tunneling roller, the front side protection assembly, the shovel plate assembly and the conveying groove assembly are arranged on the frame, the shovel plate assembly is arranged at the bottom of the front end of the frame, the shovel plate assembly comprises two turntable assemblies, the two turntable assemblies are arranged at intervals along the width direction of the frame, the distance 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 groove assembly extends along the length direction of the frame, at least part of the conveying groove assembly is matched between the two turntable assemblies, and the inlet size of the conveying groove assembly can be adjusted along with the distance adjustment of the two turntable assemblies;
the traction type conveyor is arranged at the rear end of the tunneling and anchoring integrated machine, can synchronously advance along with the tunneling and anchoring integrated machine, and is used for receiving and transferring coal and rock conveyed by the conveying trough assembly;
a straddle-type drill carriage straddling the outer peripheral side of the traction conveyor, the straddle-type drill carriage being used for supporting a roadway roof and a side wall by an anchor rod or an anchor cable;
the plurality of gate-type hydraulic supports are respectively arranged on the outer periphery side of the traction conveyor and between the straddle-type drill carriage and the tunneling and anchoring integrated machine, the plurality of gate-type hydraulic supports are arranged at intervals along the front-back direction, the moving vehicle is in guide sliding 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 at the rear of the traction conveyor and is used for receiving and transferring the coal rocks conveyed by the traction conveyor;
the wind barrel assembly comprises a wind pipe and an exhaust fan, the wind pipe is laid along the traction type conveyor, the exhaust fan is connected in series on the wind pipe, and the exhaust fan is arranged at the rear of the straddle type drill carriage;
the turntable assembly comprises a turntable base and a toggle turntable, the toggle turntable is rotationally assembled on the turntable base, the turntable base is assembled on the frame in a guiding 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, the first telescopic cylinder and the second telescopic cylinder 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;
the turntable assembly further comprises baffle plates, the baffle plates of the two turntable assemblies are arranged in a mirror symmetry mode, the baffle plates of the two turntable assemblies are positioned at the front end of the conveying groove assembly and form part of groove walls of the conveying groove assembly, one end of each baffle plate is hinged with the turntable assembly, the other end of each baffle plate is provided with a hinged ball, the conveying groove assembly is provided with a chute, and the hinged balls are rotatably and slidably assembled in the chute;
the front side protection assembly comprises a side protection plate, two third telescopic cylinders and two fourth telescopic cylinders, wherein 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 protection 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 other fourth telescopic cylinder is hinged to the cylinder wall of 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 cylinders are correspondingly arranged in a herringbone shape, and the fourth telescopic cylinders are used for driving the third telescopic cylinders to swing back and forth.
2. The rapid roadway tunneling system of claim 1, wherein the moving vehicle is shaped like a gate, the moving vehicle straddles the traction conveyor, two sides of the traction conveyor are provided with moving guide grooves, the bottom of the moving vehicle is provided with rollers, and at least part of the rollers are embedded into the moving guide grooves and can roll along the moving guide grooves.
3. The roadway rapid tunneling system of claim 2, 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.
4. The rapid roadway tunneling system of claim 1, wherein the straddle-type drill carriage is provided with an arc-shaped supporting plate, at least part of the air pipe is matched in the arc-shaped supporting plate, and the air pipe can move relatively to the arc-shaped supporting plate.
5. The rapid roadway tunneling system of claim 4, wherein a plurality of clamping grooves are uniformly distributed on the inner peripheral wall of the arc-shaped supporting plate, balls are embedded in the clamping grooves, at least part of the balls leak out from openings of the clamping grooves, and the outer peripheral wall of the air pipe is abutted against the balls so as to realize rolling sliding assembly of the air pipe and the arc-shaped supporting plate.
6. The roadway rapid tunneling system of claim 5, wherein said arcuate support plate comprises a first section, a second section and a third section, said second section being connected between said first section and said third section, said second section having a radial dimension that is the same in a fore-aft direction, said first section having a radial dimension that is progressively smaller in a aft-to-fore direction, said first section having a minimum radial dimension that is the same as the radial dimension of said second section, said third section having a radial dimension that is progressively larger in a aft-to-fore direction, said third section having a minimum radial dimension that is the same as the radial dimension of said second section.
7. The rapid roadway heading system of any one of claims 1-6 wherein at least a portion of the traction conveyor and the belt conveyor are arranged in parallel, a rear end of the traction conveyor being provided with a self-moving conveyor tail through which coal rock on the traction conveyor is transported onto the belt conveyor.
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| CN113464135B (en) * | 2021-07-20 | 2024-02-02 | 云南滇东雨汪能源有限公司 | Protection device for coal mine tunneling |
| CN114017019B (en) * | 2021-11-08 | 2024-01-30 | 中国煤炭科工集团太原研究院有限公司 | Tunneling system |
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