CN109026049B - Walking type excavating, supporting and anchoring combined unit and application method thereof - Google Patents
Walking type excavating, supporting and anchoring combined unit and application method thereof Download PDFInfo
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- CN109026049B CN109026049B CN201810959282.6A CN201810959282A CN109026049B CN 109026049 B CN109026049 B CN 109026049B CN 201810959282 A CN201810959282 A CN 201810959282A CN 109026049 B CN109026049 B CN 109026049B
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- anchoring
- supporting
- tunneling
- support
- support part
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
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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
- E21D23/0086—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries
- E21D23/0095—Temporary supports at the driving front
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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
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1093—Devices for supporting, advancing or orientating the machine or the tool-carrier
Abstract
A stepping type excavating, supporting and anchoring combined unit and a use method thereof are provided, wherein the equipment comprises a tunneling supporting part, an anchoring supporting part, a cutting part, a shoveling part and a drilling part; the anchoring supporting parts are symmetrically distributed on the left side and the right side of the tunneling supporting part, stepping type matching is realized by alternately advancing the tunneling supporting parts and the anchoring supporting parts, the contact area between the machine body and the roadway bottom plate is increased, and the problem that the machine body falls into the roadway bottom plate due to overlarge grounding ratio is avoided; by flexibly paving the transverse steel belts Liang Fangshi, the longitudinal top beams are prevented from being directly contacted with the roadway roof, so that the repeated rolling problem of the roadway roof is avoided, and the secondary crushing and falling danger of the roadway roof are reduced; the stability-increasing and vibration-reducing structural member is arranged between the tunneling supporting part and the anchoring supporting part, so that the tunneling supporting part and the anchoring supporting part are more tightly connected in the coal rock cutting process, and the stability of the whole machine structure is higher, thereby improving the vibration quantity of the walking type tunneling, supporting and anchoring combined unit in the coal rock cutting process; the tunneling efficiency and the safety are further improved.
Description
Technical Field
The invention belongs to the technical field of coal mine machinery, and particularly relates to a walking type excavating, supporting and anchoring combined unit and a using method thereof.
Background
At present, most of existing fully-mechanized excavating equipment adopts a crawler-type walking scheme, and a crawler chain has the defects of easy damage, difficult maintenance, easy slipping and sinking; furthermore, the existing comprehensive digging equipment adopts an integral top beam scheme for temporary supporting of the tunnel roof, the integral top beam is easy to have the condition of incomplete supporting of the tunnel roof, and the integral top beam can repeatedly crush the tunnel roof in the advancing process, so that the danger of secondary crushing and falling of the roof is increased; in addition, the vibration generated in the coal rock cutting process of the existing comprehensive digging equipment is large, and the yaw phenomenon of the equipment body can be caused when the vibration is serious, so that the digging efficiency is seriously influenced.
The application number is 201410027478.3's chinese patent application, it discloses a dig integrative unit of support and anchor, it is through installing tunnelling mechanism, temporary support mechanism and permanent support mechanism to be equipped with running gear in permanent support mechanism below, although this patent application reforms traditional comprehensive tunnelling and equips simple superimposed form, still there is the problem of repeated rolling tunnel roof, and tunnelling mechanism and temporary support mechanism all establish on the slide, if the dust volume of working face in the pit is great, a large amount of dust pile actively easily causes the slide card to die, thereby lead to the problem that can't continue to lapse.
The application number 201611237498.9 discloses a dig, prop up, anchor, bore integrated fully mechanized coal mining machine, it is through arranging anchor protection equipment, boring equipment and temporary support device on original entry driving machine fuselage to make dig, prop up, anchor, bore integrated together, but this patent application still adopts crawler-type walking scheme, thereby has the problem of easy damage, maintenance difficulty, easy skidding and subsidence.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention provides a walking type excavating, supporting and anchoring combined unit and a use method thereof, which abandon the traditional crawler type walking mode, effectively solve the problem of repeated rolling of a top beam on a roadway top plate, reduce the risks of secondary crushing and caving of the roadway top plate, effectively improve the vibration quantity of equipment in the coal rock cutting process, and further improve the tunneling efficiency and the tunneling safety.
In order to achieve the above purpose, the present invention adopts the following technical scheme: a stepping type excavating, supporting and anchoring combined unit comprises a tunneling supporting part, an anchoring supporting part, a cutting part, a shoveling part and a drilling part; the cutting part is arranged in front of the tunneling supporting part, and is used for crushing coal and rock; the shoveling part is arranged below the cutting part and is arranged on the tunneling supporting part, and the shoveling part is used for collecting and transporting the falling coal; the anchoring supporting parts are symmetrically distributed on the left side and the right side of the tunneling supporting part, and step-by-step matching is realized by alternately advancing the tunneling supporting part and the anchoring supporting part; the drilling part is arranged on the anchoring supporting part, and the anchoring hole is processed on the rock wall through the drilling part.
The tunneling support part comprises a tunneling support part base, a tunneling support part outer support sliding sleeve, a tunneling support part inner support sliding sleeve, a tunneling support part top support oil cylinder and a tunneling support part longitudinal top beam; the longitudinal roof beam of the tunneling support part adopts a three-section structure and is divided into a front longitudinal roof beam of the tunneling support part, a middle longitudinal roof beam of the tunneling support part and a rear longitudinal roof beam of the tunneling support part, wherein the rear end of the front longitudinal roof beam of the tunneling support part is hinged with the front end of the middle longitudinal roof beam of the tunneling support part, and the rear end of the middle longitudinal roof beam of the tunneling support part is hinged with the front end of the rear longitudinal roof beam of the tunneling support part; the tunneling support part outer support sliding sleeve is vertically and fixedly arranged on the tunneling support part base, the tunneling support part inner support sliding sleeve is vertically arranged on the inner side of the tunneling support part outer support sliding sleeve, and the tunneling support part inner support sliding sleeve has vertical movement freedom degree in the tunneling support part outer support sliding sleeve; the tunneling support part jacking cylinder is vertically arranged on the inner side of the tunneling support part inner supporting sliding sleeve, the top end of the tunneling support part jacking cylinder is fixedly connected with the tunneling support part inner supporting sliding sleeve, and the bottom end of the tunneling support part jacking cylinder is fixedly connected with the tunneling support part outer supporting sliding sleeve; the middle longitudinal top beam of the tunneling support part is horizontally and fixedly arranged at the top of the supporting sliding sleeve in the tunneling support part; a tunneling support part front inclined support oil cylinder is arranged between the tunneling support part front longitudinal top beam and the tunneling support part outer support sliding sleeve, one end of the tunneling support part front inclined support oil cylinder is hinged to the middle part of the tunneling support part front longitudinal top beam, and the other end of the tunneling support part front inclined support oil cylinder is hinged to the middle part of the tunneling support part outer support sliding sleeve; a tunneling support part rear inclined support oil cylinder is arranged between the tunneling support part rear longitudinal top beam and the tunneling support part outer support sliding sleeve, one end of the tunneling support part rear inclined support oil cylinder is hinged to the middle part of the tunneling support part rear longitudinal top beam, and the other end of the tunneling support part rear inclined support oil cylinder is hinged to the middle part of the tunneling support part outer support sliding sleeve; the cab of the walking type tunneling and supporting and anchoring combined unit is positioned on the base of the tunneling supporting part.
The anchoring supporting part comprises an anchoring supporting part base, an anchoring supporting part outer supporting sliding sleeve, an anchoring supporting part inner supporting sliding sleeve, an anchoring supporting part jacking oil cylinder and an anchoring supporting part longitudinal top beam; the longitudinal top beam of the anchoring supporting part adopts a three-section structure and is divided into a front longitudinal top beam of the anchoring supporting part, a middle longitudinal top beam of the anchoring supporting part and a rear longitudinal top beam of the anchoring supporting part, the rear end of the front longitudinal top beam of the anchoring supporting part is hinged with the front end of the middle longitudinal top beam of the anchoring supporting part, and the rear end of the middle longitudinal top beam of the anchoring supporting part is hinged with the front end of the rear longitudinal top beam of the anchoring supporting part; the outer support sliding sleeve of the anchoring support part is vertically fixedly arranged on the base of the anchoring support part, the inner support sliding sleeve of the anchoring support part is vertically arranged on the inner side of the outer support sliding sleeve of the anchoring support part, and the inner support sliding sleeve of the anchoring support part has vertical movement freedom degree in the outer support sliding sleeve of the anchoring support part; the top end of the anchoring supporting part propping cylinder is fixedly connected with the anchoring supporting part inner supporting sliding sleeve, and the bottom end of the anchoring supporting part propping cylinder is fixedly connected with the anchoring supporting part outer supporting sliding sleeve; the middle longitudinal top beam of the anchoring supporting part is horizontally and fixedly arranged at the top of the supporting sliding sleeve in the anchoring supporting part; an anchor supporting part front inclined strut oil cylinder is arranged between the anchor supporting part front longitudinal top beam and the anchor supporting part outer supporting sliding sleeve, one end of the anchor supporting part front inclined strut oil cylinder is hinged to the middle part of the anchor supporting part front longitudinal top beam, and the other end of the anchor supporting part front inclined strut oil cylinder is hinged to the middle part of the anchor supporting part outer supporting sliding sleeve; an anchor support part rear inclined strut oil cylinder is arranged between the anchor support part rear longitudinal top beam and the anchor support part outer support sliding sleeve, one end of the anchor support part rear inclined strut oil cylinder is hinged to the anchor support part rear longitudinal top beam middle part, and the other end of the anchor support part rear inclined strut oil cylinder is hinged to the anchor support part outer support sliding sleeve middle part; an advancing pushing driving oil cylinder is arranged between the anchoring supporting part base and the tunneling supporting part base and is used for providing advancing power for the stepping type tunneling, supporting and anchoring combined unit.
The structure forms of the tunneling support part middle longitudinal roof beam and the anchoring support part middle longitudinal roof beam are single-type structures or multi-segment structures, when the tunneling support part middle longitudinal roof beam and the anchoring support part middle longitudinal roof beam adopt multi-segment structures, each tunneling support part middle longitudinal roof beam is provided with a tunneling support part outer support sliding sleeve, a tunneling support part inner support sliding sleeve and a tunneling support part top support oil cylinder, and each anchoring support part middle longitudinal roof beam is provided with an anchoring support part outer support sliding sleeve, an anchoring support part inner support sliding sleeve and an anchoring support part top support oil cylinder.
A side supporting structural member is assembled on the outer supporting sliding sleeve of the anchoring supporting part, and the walking type digging, supporting and anchoring combined unit is laterally protected through the side supporting structural member; the side supporting structural members comprise left protection plates, middle protection plates and right protection plates, the top ends of the left protection plates and the right protection plates are connected with the outer supporting sliding sleeve of the anchoring supporting part in a hinging manner, and the left protection plates and the middle protection plates and the right protection plates are connected in a hinging manner; a left protection plate adjusting oil cylinder is connected between the left protection plate and the outer supporting sliding sleeve of the anchoring supporting part, and a right protection plate adjusting oil cylinder is connected between the right protection plate and the outer supporting sliding sleeve of the anchoring supporting part.
The drilling parts are arranged on the base of the anchoring supporting part, the number of the drilling parts is several, and the drilling parts adopt a group operation mode; an electric cabinet, a pump station, an anchoring supporting part lateral supporting oil cylinder and an anchoring supporting part tail end supporting oil cylinder are respectively arranged on the anchoring supporting part base; the lateral support oil cylinder of the anchoring support part is horizontally arranged, one end of the lateral support oil cylinder of the anchoring support part is hinged to the base of the anchoring support part, and the other end of the lateral support oil cylinder of the anchoring support part is provided with the lateral support seat of the anchoring support part; the tail end supporting oil cylinder of the anchoring supporting part is obliquely arranged downwards, one end of the tail end supporting oil cylinder of the anchoring supporting part is hinged to the base of the anchoring supporting part, and the other end of the tail end supporting oil cylinder of the anchoring supporting part is provided with the tail end supporting seat of the anchoring supporting part.
The cutting part comprises a sliding rail, a sliding table, a rotary driving table, a cutting large arm, a cutting small arm and a cutting head, wherein a cutting motor is arranged in the cutting large arm; the cutting small arm adopts a telescopic structure and is divided into an outer sliding sleeve of the cutting small arm and an inner sliding sleeve of the cutting small arm; the cutting head adopts a transverse shaft type structure or a longitudinal shaft type structure, when the cutting head adopts the transverse shaft type structure, the cutting head comprises a single cutting head form or a double cutting head form, and the cutting head form is arranged according to the roadway width; the sliding rail is horizontally and fixedly arranged on the tunneling support base, and the sliding rail is perpendicular to the tunneling direction; the sliding table is arranged on the sliding rail and has linear movement freedom degree relative to the sliding rail; the rotary driving table is arranged on the sliding table; one end of the cutting large arm is hinged to the rotary driving table, the other end of the cutting large arm is fixedly connected with the lower end of the cutting small arm outer sliding sleeve, the cutting small arm inner sliding sleeve is positioned on the inner side of the cutting small arm outer sliding sleeve, and the cutting small arm inner sliding sleeve has linear movement freedom degree in the cutting small arm outer sliding sleeve; the cutting head is arranged at the upper end of the sliding sleeve in the cutting small arm; a cutting arm pitching driving oil cylinder is arranged between the rotary driving table and the cutting large arm, one end of the cutting arm pitching driving oil cylinder is hinged to the rotary driving table, and the other end of the cutting arm pitching driving oil cylinder is hinged to the cutting large arm; and a cutting arm telescopic driving oil cylinder is arranged between the cutting large arm and the cutting small arm inner sliding sleeve, one end of the cutting arm telescopic driving oil cylinder is hinged to the cutting large arm, and the other end of the cutting arm telescopic driving oil cylinder is hinged to the cutting small arm inner sliding sleeve.
The tunneling support base is additionally provided with a stability-increasing and vibration-reducing structural member, wherein the stability-increasing and vibration-reducing structural member comprises a fixed block, a pressing block and a pressing cylinder; the fixed block is fixedly arranged on the tunneling support base, the fixed block is hinged with the pressing block, one end of the lower pressure oil cylinder is hinged on the fixed block, the other end of the lower pressure oil cylinder is hinged on the pressing block, the pressing block has swinging freedom degree relative to a hinge point, and the pressing block is in compression fit with the anchoring support base.
The application method of the walking type excavating, supporting and anchoring combined unit comprises the following steps:
step one: preparing a plurality of steel strips on site, wherein the steel strips are used as transverse steel strip beams;
step two: placing the transverse steel band beam above the longitudinal top beam of the tunneling support part and the longitudinal top beam of the anchoring support part;
step three: the longitudinal top beams of the tunneling support part and the longitudinal top beams of the anchoring support part are controlled to rise, so that the longitudinal top beams of the tunneling support part and the longitudinal top beams of the anchoring support part are propped against a roadway top plate through transverse steel band beams;
step four: controlling the lateral support oil cylinder of the anchoring support part and the tail end support oil cylinder of the anchoring support part to extend out, so that the lateral support seat of the anchoring support part and the tail end support seat of the anchoring support part are respectively propped against the side wall of the roadway and the bottom plate of the roadway;
step five: controlling the lower pressure oil cylinder to extend out, so that the pressing block is pressed onto the base of the anchoring supporting part;
step six: starting a cutting part and a shoveling part, cutting coal and rock through the cutting part, collecting and transporting cut coal by the shoveling part, and starting a drilling part to synchronously anchor in the cutting process;
step seven: controlling the longitudinal top beam of the tunneling support part to descend, and independently executing a roadway surrounding rock supporting task by the longitudinal top beam of the anchoring support part at the moment;
step eight: controlling the forward pushing driving oil cylinder to extend out, so that the tunneling supporting part integrally moves forward by one step distance;
step nine: controlling the longitudinal top beam of the tunneling support part to rise, and propping the longitudinal top beam of the tunneling support part against a roadway top plate through a transverse steel belt beam;
step ten: controlling the longitudinal top beam of the anchoring supporting part to descend, and simultaneously controlling the lateral supporting oil cylinder of the anchoring supporting part, the tail end supporting oil cylinder of the anchoring supporting part and the lower pressure oil cylinder to retract, wherein the longitudinal top beam of the tunneling supporting part independently executes a roadway surrounding rock supporting task;
step eleven: controlling the forward pushing driving oil cylinder to retract, so that the anchoring supporting part integrally moves forward by one step distance;
step twelve: placing a transverse steel band beam above the longitudinal top beam of the anchoring support part;
step thirteen: controlling the longitudinal top beams of the anchoring supporting parts to rise, and enabling the longitudinal top beams of the anchoring supporting parts to be propped against a roadway top plate through the transverse steel band beams again, wherein the longitudinal top beams of the tunneling supporting parts and the longitudinal top beams of the anchoring supporting parts are restored to a rising state at the same time;
step fourteen: and repeating the fourth step to the thirteenth step to realize continuous forward tunneling of the walking type tunneling-supporting-anchoring combined unit.
The invention has the beneficial effects that:
according to the walking type digging-supporting-anchoring combined unit and the use method thereof, a traditional crawler-type walking mode is abandoned, a walking type walking mode is adopted, the contact area between a machine body and a roadway bottom plate is increased, and the problem that the machine body falls into the roadway bottom plate due to overlarge grounding ratio is avoided; according to the invention, by flexibly paving the transverse steel strip beams, the longitudinal top beams are prevented from being directly contacted with the tunnel roof, so that the problem of repeated rolling of the tunnel roof is avoided, and the risks of secondary crushing and falling of the tunnel roof are reduced; according to the invention, the stability-increasing and vibration-reducing structural member is arranged between the tunneling supporting part and the anchoring supporting part, so that the tunneling supporting part and the anchoring supporting part are more tightly connected in the coal rock cutting process, and the structural stability of the whole machine is higher, thereby improving the vibration quantity of the device in the coal rock cutting process; the invention can further improve the tunneling efficiency and the tunneling safety; the lateral support cylinder and the support seat of the anchoring support part not only can provide stable lateral support, but also can assist the steering of the combined unit, when the combined unit needs to adjust the heading to the right, the lateral support cylinder of the anchoring support part on the right side is only controlled to extend, and the lateral support cylinder of the anchoring support part on the left side is controlled to retract, so that the heading adjustment of the combined unit can be satisfied, as shown in fig. 7.
Drawings
FIG. 1 is a schematic view of a walking type combined excavating, supporting and anchoring unit (side supporting structural members not shown) according to the present invention;
FIG. 2 is a schematic view of the tunneling support (assembled with the cutting and shoveling sections) of the present invention;
FIG. 3 is a schematic view of the structure of the anchor support of the present invention (after assembly with the drilling section and without the side support structure shown);
FIG. 4 is a schematic view of the cutting portion of the present invention;
FIG. 5 is a schematic structural view of the stability augmentation and vibration reduction structural member of the present invention;
FIG. 6 is a schematic view of a side support structure of the present invention;
FIG. 7 is a schematic diagram of a joint set heading adjustment of the present invention;
in the figure, a 1-tunneling supporting part, a 2-anchoring supporting part, a 3-cutting part, a 4-shoveling part, a 5-drilling part, a 6-tunneling supporting part base, a 7-tunneling supporting part outer supporting sliding sleeve, an 8-tunneling supporting part inner supporting sliding sleeve, a 9-tunneling supporting part top supporting cylinder, a 10-tunneling supporting part front longitudinal top beam, a 11-tunneling supporting part middle longitudinal top beam, a 12-tunneling supporting part rear longitudinal top beam, a 13-tunneling supporting part front inclined supporting cylinder, a 14-tunneling supporting part rear inclined supporting cylinder, a 15-cab, a 16-anchoring supporting part base, a 17-anchoring supporting part outer supporting sliding sleeve, a 18-anchoring supporting part inner supporting sliding sleeve, a 19-anchoring supporting part top supporting cylinder, a 20-anchoring supporting part front longitudinal top beam, a 21-anchoring supporting part middle longitudinal top beam, a 22-anchoring supporting part rear longitudinal top beam, 23-anchoring support front inclined support cylinder, 24-anchoring support rear inclined support cylinder, 25-forward pushing driving cylinder, 26-electric cabinet, 27-pump station, 28-anchoring support lateral support cylinder, 29-anchoring support tail end support cylinder, 30-anchoring support lateral support seat, 31-anchoring support tail end support seat, 32-slide rail, 33-slide table, 34-rotary driving table, 35-cutting big arm, 36-cutting head, 37-cutting small arm outer slide sleeve, 38-cutting small arm inner slide sleeve, 39-cutting arm pitching driving cylinder, 40-cutting arm telescopic driving cylinder, 41-stability increasing and decreasing vibration structure, 42-fixed block, 43-press block, 44-pressing cylinder, 45-transverse steel band beam, 46-left protection plate, 47-middle protection plate, 48-right protection plate, 49-left protection plate adjusting cylinder and 50-right protection plate adjusting cylinder.
Detailed Description
The invention will now be described in further detail with reference to the drawings and to specific examples.
As shown in fig. 1 to 6, a walking type excavating, supporting and anchoring combined unit comprises a tunneling supporting part 1, an anchoring supporting part 2, a cutting part 3, a shoveling part 4 and a drilling part 5; the cutting part 3 is arranged in front of the tunneling support part 1, and the cutting part 3 is used for crushing coal and rock; the shoveling part 4 is arranged below the cutting part 3 and is arranged on the tunneling support part 1, and the shoveling part 4 is used for collecting and transporting the falling coal; the anchoring supporting parts 2 are symmetrically distributed on the left side and the right side of the tunneling supporting part 1, and stepping type matching is realized by alternately advancing the tunneling supporting part 1 and the anchoring supporting part 2; the drilling part 5 is mounted on the anchoring support part 2, and an anchoring hole is formed in the rock wall through the drilling part 5.
The tunneling support part 1 comprises a tunneling support part base 6, a tunneling support part outer support sliding sleeve 7, a tunneling support part inner support sliding sleeve 8, a tunneling support part top support oil cylinder 9 and a tunneling support part longitudinal top beam; the longitudinal top beam of the tunneling support part adopts a three-section structure and is divided into a front longitudinal top beam 10 of the tunneling support part, a middle longitudinal top beam 11 of the tunneling support part and a rear longitudinal top beam 12 of the tunneling support part, the rear end of the front longitudinal top beam 10 of the tunneling support part is hinged with the front end of the middle longitudinal top beam 11 of the tunneling support part, and the rear end of the middle longitudinal top beam 11 of the tunneling support part is hinged with the front end of the rear longitudinal top beam 12 of the tunneling support part; the tunneling support part outer support sliding sleeve 7 is vertically and fixedly arranged on the tunneling support part base 6, the tunneling support part inner support sliding sleeve 8 is vertically arranged on the inner side of the tunneling support part outer support sliding sleeve 7, and the tunneling support part inner support sliding sleeve 8 has vertical movement freedom degree in the tunneling support part outer support sliding sleeve 7; the tunneling support portion jacking cylinder 9 is vertically arranged on the inner side of the tunneling support portion inner supporting sliding sleeve 8, the top end of the tunneling support portion jacking cylinder 9 is fixedly connected with the tunneling support portion inner supporting sliding sleeve 8, and the bottom end of the tunneling support portion jacking cylinder 9 is fixedly connected with the tunneling support portion outer supporting sliding sleeve 7; the middle longitudinal top beam 11 of the tunneling support part is horizontally and fixedly arranged at the top of the supporting sliding sleeve 8 in the tunneling support part; a tunneling support front inclined support oil cylinder 13 is arranged between the tunneling support front longitudinal top beam 10 and the tunneling support outer support sliding sleeve 7, one end of the tunneling support front inclined support oil cylinder 13 is hinged to the middle of the tunneling support front longitudinal top beam 10, and the other end of the tunneling support front inclined support oil cylinder 13 is hinged to the middle of the tunneling support outer support sliding sleeve 7; a tunneling support part rear inclined strut oil cylinder 14 is arranged between the tunneling support part rear longitudinal top beam 12 and the tunneling support part outer support sliding sleeve 7, one end of the tunneling support part rear inclined strut oil cylinder 14 is hinged to the middle part of the tunneling support part rear longitudinal top beam 12, and the other end of the tunneling support part rear inclined strut oil cylinder 14 is hinged to the middle part of the tunneling support part outer support sliding sleeve 7; the cab 15 of the walking type tunneling, supporting and anchoring combined unit is positioned on the tunneling support base 6.
The anchoring supporting part 2 comprises an anchoring supporting part base 16, an anchoring supporting part outer supporting sliding sleeve 17, an anchoring supporting part inner supporting sliding sleeve 18, an anchoring supporting part top supporting oil cylinder 19 and an anchoring supporting part longitudinal top beam; the longitudinal roof beam of the anchoring supporting part adopts a three-section structure and is divided into a front longitudinal roof beam 20 of the anchoring supporting part, a middle longitudinal roof beam 21 of the anchoring supporting part and a rear longitudinal roof beam 22 of the anchoring supporting part, the rear end of the front longitudinal roof beam 20 of the anchoring supporting part is hinged with the front end of the middle longitudinal roof beam 21 of the anchoring supporting part, and the rear end of the middle longitudinal roof beam 21 of the anchoring supporting part is hinged with the front end of the rear longitudinal roof beam 22 of the anchoring supporting part; the outer support sliding sleeve 17 of the anchoring support part is vertically fixedly arranged on the base 16 of the anchoring support part, the inner support sliding sleeve 18 of the anchoring support part is vertically arranged on the inner side of the outer support sliding sleeve 17 of the anchoring support part, and the inner support sliding sleeve 18 of the anchoring support part has vertical movement freedom degree in the outer support sliding sleeve 17 of the anchoring support part; the anchoring support part jacking cylinder 19 is vertically arranged on the inner side of the anchoring support part inner support sliding sleeve 18, the top end of the anchoring support part jacking cylinder 19 is fixedly connected with the anchoring support part inner support sliding sleeve 18, and the bottom end of the anchoring support part jacking cylinder 19 is fixedly connected with the anchoring support part outer support sliding sleeve 17; the middle longitudinal top beam 21 of the anchoring supporting part is horizontally fixedly arranged at the top of the supporting sliding sleeve 18 in the anchoring supporting part; an anchor support part front inclined strut oil cylinder 23 is arranged between the anchor support part front longitudinal top beam 20 and the anchor support part outer support sliding sleeve 17, one end of the anchor support part front inclined strut oil cylinder 23 is hinged to the middle part of the anchor support part front longitudinal top beam 20, and the other end of the anchor support part front inclined strut oil cylinder 23 is hinged to the middle part of the anchor support part outer support sliding sleeve 17; an anchor support rear inclined strut oil cylinder 24 is arranged between the anchor support rear longitudinal top beam 22 and the anchor support outer support sliding sleeve 17, one end of the anchor support rear inclined strut oil cylinder 24 is hinged to the middle of the anchor support rear longitudinal top beam 22, and the other end of the anchor support rear inclined strut oil cylinder 24 is hinged to the middle of the anchor support outer support sliding sleeve 17; an advancing drive oil cylinder 25 is arranged between the anchoring support base 16 and the tunneling support base 6, and the advancing drive oil cylinder 25 is used for providing advancing power for the walking type tunneling-supporting-anchoring combined unit.
The tunneling support part middle longitudinal top beam 11 and the anchoring support part middle longitudinal top beam 21 are of a single-piece structure or a multi-section structure, when the tunneling support part middle longitudinal top beam 11 and the anchoring support part middle longitudinal top beam 21 are of a multi-section structure, each tunneling support part middle longitudinal top beam 11 is provided with a tunneling support part outer support sliding sleeve 7, a tunneling support part inner support sliding sleeve 8 and a tunneling support part top support oil cylinder 9, and each anchoring support part middle longitudinal top beam 21 is provided with an anchoring support part outer support sliding sleeve 17, an anchoring support part inner support sliding sleeve 18 and an anchoring support part top support oil cylinder 19. When the tunnel roof is a fault, the longitudinal top beams 11 in the middle of the tunneling support part and the longitudinal top beams 21 in the middle of the anchoring support part with multi-section structures can be better adapted to the fault plane, so that the support is more stable, and meanwhile, the maintenance and the disassembly are also convenient.
A side supporting structural member is assembled on the outer supporting sliding sleeve 17 of the anchoring supporting part, and the walking type digging, supporting and anchoring combined unit is laterally protected through the side supporting structural member; the side supporting structural members comprise a left protection plate 46, a middle protection plate 47 and a right protection plate 48, the top ends of the left protection plate 46 and the right protection plate 48 are connected with the outer supporting sliding sleeve 17 of the anchoring supporting part in a hinging manner, and the left protection plate 46 and the middle protection plate 47 and the right protection plate 48 are connected in a hinging manner; a left guard plate adjusting cylinder 49 is connected between the left guard plate 46 and the anchor support portion outer support sliding sleeve 17, and a right guard plate adjusting cylinder 50 is connected between the right guard plate 48 and the anchor support portion outer support sliding sleeve 17.
The drilling parts 5 are arranged on the anchor supporting part base 16, the number of the drilling parts 5 is a plurality, and the drilling parts 5 adopt a group operation mode; an electric cabinet 26, a pump station 27, an anchoring support lateral support cylinder 28 and an anchoring support tail end support cylinder 29 are respectively arranged on the anchoring support base 16; the lateral support oil cylinder 28 of the anchoring support part is horizontally arranged, one end of the lateral support oil cylinder 28 of the anchoring support part is hinged on the base 16 of the anchoring support part, and the other end of the lateral support oil cylinder 28 of the anchoring support part is provided with a lateral support seat 30 of the anchoring support part; the anchor support portion tail end support cylinder 29 is arranged in a downward inclined mode, one end of the anchor support portion tail end support cylinder 29 is hinged to the anchor support portion base 16, and an anchor support portion tail end support seat 31 is mounted at the other end of the anchor support portion tail end support cylinder 29.
The cutting part 3 comprises a sliding rail 32, a sliding table 33, a rotary driving table 34, a cutting large arm 35, a cutting small arm and a cutting head 36, wherein a cutting motor is arranged in the cutting large arm 35; the cutting small arm adopts a telescopic structure and is divided into an outer cutting small arm sliding sleeve 37 and an inner cutting small arm sliding sleeve 38; the cutting head 36 adopts a transverse axis type structure or a longitudinal axis type structure, when the cutting head 36 adopts a transverse axis type structure, the cutting head 36 comprises a single cutting head form or a double cutting head form, and the cutting head form is set according to the roadway width (when the roadway width is smaller, the cutting head 36 adopts the single cutting head form, and when the roadway width is larger, the cutting head 36 adopts the double cutting head form); the sliding rail 32 is horizontally and fixedly arranged on the tunneling support base 6, and the sliding rail 32 is vertical to the tunneling direction; the sliding table 33 is mounted on the sliding rail 32, and the sliding table 33 has linear movement freedom relative to the sliding rail 32; the rotary driving table 34 is installed on the sliding table 33; one end of the large cutting arm 35 is hinged to the rotary driving table 34, the other end of the large cutting arm 35 is fixedly connected with the lower end of the small cutting arm outer sliding sleeve 37, the small cutting arm inner sliding sleeve 38 is positioned on the inner side of the small cutting arm outer sliding sleeve 37, and the small cutting arm inner sliding sleeve 38 has linear movement freedom degree in the small cutting arm outer sliding sleeve 37; the cutting head 36 is arranged at the upper end of the cutting arm inner sliding sleeve 38; a cutting arm pitching driving oil cylinder 39 is arranged between the rotary driving table 34 and the cutting large arm 35, one end of the cutting arm pitching driving oil cylinder 39 is hinged on the rotary driving table 34, and the other end of the cutting arm pitching driving oil cylinder 39 is hinged on the cutting large arm 35; a cutting arm telescopic driving oil cylinder 40 is arranged between the cutting large arm 35 and the cutting small arm inner sliding sleeve 38, one end of the cutting arm telescopic driving oil cylinder 40 is hinged on the cutting large arm 35, and the other end of the cutting arm telescopic driving oil cylinder 40 is hinged on the cutting small arm inner sliding sleeve 38.
A stability increasing and vibration reducing structural member 41 is additionally arranged on the tunneling support base 6, and the stability increasing and vibration reducing structural member 41 comprises a fixed block 42, a pressing block 43 and a lower pressure oil cylinder 44; the fixed block 42 is fixedly arranged on the tunneling support base 6, the fixed block 42 is hinged with the pressing block 43, one end of the pressing cylinder 44 is hinged on the fixed block 42, the other end of the pressing cylinder 44 is hinged on the pressing block 43, the pressing block 43 has swinging freedom degree relative to a hinged point, and the pressing block 43 is in compression fit with the anchoring support base 16.
The application method of the walking type excavating, supporting and anchoring combined unit comprises the following steps:
step one: preparing a number of steel strips on site, which are used as transverse steel strip beams 45;
step two: placing a transverse steel strip beam 45 above the tunneling support longitudinal top beam and the anchoring support longitudinal top beam;
step three: the longitudinal roof beams of the tunneling support part and the longitudinal roof beams of the anchoring support part are controlled to rise, so that the longitudinal roof beams of the tunneling support part and the longitudinal roof beams of the anchoring support part are propped against a roadway roof through transverse steel strip beams 45;
step four: controlling the extension of the lateral support cylinder 28 of the anchoring support part and the extension of the support cylinder 29 of the tail end of the anchoring support part, so that the lateral support seat 30 of the anchoring support part and the support seat 31 of the tail end of the anchoring support part are respectively propped against the side wall of the roadway and the bottom plate of the roadway;
step five: controlling the lower pressure cylinder 44 to extend so that the pressing block 43 is pressed onto the anchoring support base 16;
step six: starting a cutting part 3 and a shoveling part 4, cutting coal and rock through the cutting part 3, collecting and transporting cut coal by the shoveling part 4, and starting a drilling part 5 to synchronously anchor during the cutting operation;
step seven: controlling the longitudinal top beam of the tunneling support part to descend, and independently executing a roadway surrounding rock supporting task by the longitudinal top beam of the anchoring support part at the moment;
step eight: controlling the forward pushing driving oil cylinder 25 to extend out, so that the tunneling support part 1 integrally moves forward by one step distance;
step nine: controlling the longitudinal top beam of the tunneling support part to lift, and propping up the longitudinal top beam of the tunneling support part to the tunnel roof through the transverse steel strip beams 45;
step ten: the longitudinal top beam of the anchoring supporting part is controlled to descend, and simultaneously the lateral supporting oil cylinders 28, the tail supporting oil cylinder 29 and the lower pressure oil cylinder 44 of the anchoring supporting part are controlled to retract, so that the longitudinal top beam of the tunneling supporting part independently performs the supporting task of surrounding rock of a roadway;
step eleven: controlling the forward pushing driving oil cylinder 25 to retract so that the anchoring supporting part 2 integrally moves forward by one step distance;
step twelve: placing a transverse steel strip beam 45 above the anchor support longitudinal header;
step thirteen: controlling the longitudinal top beams of the anchoring supporting part to rise, and enabling the longitudinal top beams of the anchoring supporting part to be propped against the roadway roof through the transverse steel strip beams 45 again, wherein the longitudinal top beams of the tunneling supporting part and the longitudinal top beams of the anchoring supporting part are restored to a rising state at the same time;
step fourteen: and repeating the fourth step to the thirteenth step to realize continuous forward tunneling of the walking type tunneling-supporting-anchoring combined unit.
The embodiments are not intended to limit the scope of the invention, but rather are intended to cover all equivalent implementations or modifications that can be made without departing from the scope of the invention.
Claims (8)
1. A step-by-step type excavating, supporting and anchoring combined unit is characterized in that: the device comprises a tunneling supporting part, an anchoring supporting part, a cutting part, a shoveling part and a drilling part; the cutting part is arranged in front of the tunneling supporting part, and is used for crushing coal and rock; the shoveling part is arranged below the cutting part and is arranged on the tunneling supporting part, and the shoveling part is used for collecting and transporting the falling coal; the anchoring supporting parts are symmetrically distributed on the left side and the right side of the tunneling supporting part, and step-by-step matching is realized by alternately advancing the tunneling supporting part and the anchoring supporting part; the drilling part is arranged on the anchoring supporting part, and an anchoring hole is processed on the rock wall through the drilling part; the tunneling support part comprises a tunneling support part base, a tunneling support part outer support sliding sleeve, a tunneling support part inner support sliding sleeve, a tunneling support part top support oil cylinder and a tunneling support part longitudinal top beam; the longitudinal roof beam of the tunneling support part adopts a three-section structure and is divided into a front longitudinal roof beam of the tunneling support part, a middle longitudinal roof beam of the tunneling support part and a rear longitudinal roof beam of the tunneling support part, wherein the rear end of the front longitudinal roof beam of the tunneling support part is hinged with the front end of the middle longitudinal roof beam of the tunneling support part, and the rear end of the middle longitudinal roof beam of the tunneling support part is hinged with the front end of the rear longitudinal roof beam of the tunneling support part; the tunneling support part outer support sliding sleeve is vertically and fixedly arranged on the tunneling support part base, the tunneling support part inner support sliding sleeve is vertically arranged on the inner side of the tunneling support part outer support sliding sleeve, and the tunneling support part inner support sliding sleeve has vertical movement freedom degree in the tunneling support part outer support sliding sleeve; the tunneling support part jacking cylinder is vertically arranged on the inner side of the tunneling support part inner supporting sliding sleeve, the top end of the tunneling support part jacking cylinder is fixedly connected with the tunneling support part inner supporting sliding sleeve, and the bottom end of the tunneling support part jacking cylinder is fixedly connected with the tunneling support part outer supporting sliding sleeve; the middle longitudinal top beam of the tunneling support part is horizontally and fixedly arranged at the top of the supporting sliding sleeve in the tunneling support part; a tunneling support part front inclined support oil cylinder is arranged between the tunneling support part front longitudinal top beam and the tunneling support part outer support sliding sleeve, one end of the tunneling support part front inclined support oil cylinder is hinged to the middle part of the tunneling support part front longitudinal top beam, and the other end of the tunneling support part front inclined support oil cylinder is hinged to the middle part of the tunneling support part outer support sliding sleeve; a tunneling support part rear inclined support oil cylinder is arranged between the tunneling support part rear longitudinal top beam and the tunneling support part outer support sliding sleeve, one end of the tunneling support part rear inclined support oil cylinder is hinged to the middle part of the tunneling support part rear longitudinal top beam, and the other end of the tunneling support part rear inclined support oil cylinder is hinged to the middle part of the tunneling support part outer support sliding sleeve; the cab of the walking type tunneling and supporting and anchoring combined unit is positioned on the base of the tunneling supporting part.
2. The walking type excavating, supporting and anchoring combined unit according to claim 1, wherein: the anchoring supporting part comprises an anchoring supporting part base, an anchoring supporting part outer supporting sliding sleeve, an anchoring supporting part inner supporting sliding sleeve, an anchoring supporting part jacking oil cylinder and an anchoring supporting part longitudinal top beam; the longitudinal top beam of the anchoring supporting part adopts a three-section structure and is divided into a front longitudinal top beam of the anchoring supporting part, a middle longitudinal top beam of the anchoring supporting part and a rear longitudinal top beam of the anchoring supporting part, the rear end of the front longitudinal top beam of the anchoring supporting part is hinged with the front end of the middle longitudinal top beam of the anchoring supporting part, and the rear end of the middle longitudinal top beam of the anchoring supporting part is hinged with the front end of the rear longitudinal top beam of the anchoring supporting part; the outer support sliding sleeve of the anchoring support part is vertically fixedly arranged on the base of the anchoring support part, the inner support sliding sleeve of the anchoring support part is vertically arranged on the inner side of the outer support sliding sleeve of the anchoring support part, and the inner support sliding sleeve of the anchoring support part has vertical movement freedom degree in the outer support sliding sleeve of the anchoring support part; the top end of the anchoring supporting part propping cylinder is fixedly connected with the anchoring supporting part inner supporting sliding sleeve, and the bottom end of the anchoring supporting part propping cylinder is fixedly connected with the anchoring supporting part outer supporting sliding sleeve; the middle longitudinal top beam of the anchoring supporting part is horizontally and fixedly arranged at the top of the supporting sliding sleeve in the anchoring supporting part; an anchor supporting part front inclined strut oil cylinder is arranged between the anchor supporting part front longitudinal top beam and the anchor supporting part outer supporting sliding sleeve, one end of the anchor supporting part front inclined strut oil cylinder is hinged to the middle part of the anchor supporting part front longitudinal top beam, and the other end of the anchor supporting part front inclined strut oil cylinder is hinged to the middle part of the anchor supporting part outer supporting sliding sleeve; an anchor support part rear inclined strut oil cylinder is arranged between the anchor support part rear longitudinal top beam and the anchor support part outer support sliding sleeve, one end of the anchor support part rear inclined strut oil cylinder is hinged to the anchor support part rear longitudinal top beam middle part, and the other end of the anchor support part rear inclined strut oil cylinder is hinged to the anchor support part outer support sliding sleeve middle part; an advancing pushing driving oil cylinder is arranged between the anchoring supporting part base and the tunneling supporting part base and is used for providing advancing power for the stepping type tunneling, supporting and anchoring combined unit.
3. The walking type excavating, supporting and anchoring combined unit according to claim 2, wherein: the structure forms of the tunneling support part middle longitudinal roof beam and the anchoring support part middle longitudinal roof beam are single-type structures or multi-segment structures, when the tunneling support part middle longitudinal roof beam and the anchoring support part middle longitudinal roof beam adopt multi-segment structures, each tunneling support part middle longitudinal roof beam is provided with a tunneling support part outer support sliding sleeve, a tunneling support part inner support sliding sleeve and a tunneling support part top support oil cylinder, and each anchoring support part middle longitudinal roof beam is provided with an anchoring support part outer support sliding sleeve, an anchoring support part inner support sliding sleeve and an anchoring support part top support oil cylinder.
4. A walking type excavating, supporting and anchoring combined unit according to claim 3, wherein: a side supporting structural member is assembled on the outer supporting sliding sleeve of the anchoring supporting part, and the walking type digging, supporting and anchoring combined unit is laterally protected through the side supporting structural member; the side supporting structural members comprise left protection plates, middle protection plates and right protection plates, the top ends of the left protection plates and the right protection plates are connected with the outer supporting sliding sleeve of the anchoring supporting part in a hinging manner, and the left protection plates and the middle protection plates and the right protection plates are connected in a hinging manner; a left protection plate adjusting oil cylinder is connected between the left protection plate and the outer supporting sliding sleeve of the anchoring supporting part, and a right protection plate adjusting oil cylinder is connected between the right protection plate and the outer supporting sliding sleeve of the anchoring supporting part.
5. The walking type excavating, supporting and anchoring combined unit according to claim 4, wherein: the drilling parts are arranged on the base of the anchoring supporting part, the number of the drilling parts is several, and the drilling parts adopt a group operation mode; an electric cabinet, a pump station, an anchoring supporting part lateral supporting oil cylinder and an anchoring supporting part tail end supporting oil cylinder are respectively arranged on the anchoring supporting part base; the lateral support oil cylinder of the anchoring support part is horizontally arranged, one end of the lateral support oil cylinder of the anchoring support part is hinged to the base of the anchoring support part, and the other end of the lateral support oil cylinder of the anchoring support part is provided with the lateral support seat of the anchoring support part; the tail end supporting oil cylinder of the anchoring supporting part is obliquely arranged downwards, one end of the tail end supporting oil cylinder of the anchoring supporting part is hinged to the base of the anchoring supporting part, and the other end of the tail end supporting oil cylinder of the anchoring supporting part is provided with the tail end supporting seat of the anchoring supporting part.
6. The walking type excavating, supporting and anchoring combined unit according to claim 5, wherein: the cutting part comprises a sliding rail, a sliding table, a rotary driving table, a cutting large arm, a cutting small arm and a cutting head, wherein a cutting motor is arranged in the cutting large arm; the cutting small arm adopts a telescopic structure and is divided into an outer sliding sleeve of the cutting small arm and an inner sliding sleeve of the cutting small arm; the cutting head adopts a transverse shaft type structure or a longitudinal shaft type structure, when the cutting head adopts the transverse shaft type structure, the cutting head comprises a single cutting head form or a double cutting head form, and the cutting head form is arranged according to the roadway width; the sliding rail is horizontally and fixedly arranged on the tunneling support base, and the sliding rail is perpendicular to the tunneling direction; the sliding table is arranged on the sliding rail and has linear movement freedom degree relative to the sliding rail; the rotary driving table is arranged on the sliding table; one end of the cutting large arm is hinged to the rotary driving table, the other end of the cutting large arm is fixedly connected with the lower end of the cutting small arm outer sliding sleeve, the cutting small arm inner sliding sleeve is positioned on the inner side of the cutting small arm outer sliding sleeve, and the cutting small arm inner sliding sleeve has linear movement freedom degree in the cutting small arm outer sliding sleeve; the cutting head is arranged at the upper end of the sliding sleeve in the cutting small arm; a cutting arm pitching driving oil cylinder is arranged between the rotary driving table and the cutting large arm, one end of the cutting arm pitching driving oil cylinder is hinged to the rotary driving table, and the other end of the cutting arm pitching driving oil cylinder is hinged to the cutting large arm; and a cutting arm telescopic driving oil cylinder is arranged between the cutting large arm and the cutting small arm inner sliding sleeve, one end of the cutting arm telescopic driving oil cylinder is hinged to the cutting large arm, and the other end of the cutting arm telescopic driving oil cylinder is hinged to the cutting small arm inner sliding sleeve.
7. The walking type excavating, supporting and anchoring combined unit according to claim 6, wherein: the tunneling support base is additionally provided with a stability-increasing and vibration-reducing structural member, wherein the stability-increasing and vibration-reducing structural member comprises a fixed block, a pressing block and a pressing cylinder; the fixed block is fixedly arranged on the tunneling support base, the fixed block is hinged with the pressing block, one end of the lower pressure oil cylinder is hinged on the fixed block, the other end of the lower pressure oil cylinder is hinged on the pressing block, the pressing block has swinging freedom degree relative to a hinge point, and the pressing block is in compression fit with the anchoring support base.
8. The method for using the walking type excavating, supporting and anchoring combined unit as claimed in claim 7, which is characterized by comprising the following steps:
step one: preparing a plurality of steel strips on site, wherein the steel strips are used as transverse steel strip beams;
step two: placing the transverse steel band beam above the longitudinal top beam of the tunneling support part and the longitudinal top beam of the anchoring support part;
step three: the longitudinal top beams of the tunneling support part and the longitudinal top beams of the anchoring support part are controlled to rise, so that the longitudinal top beams of the tunneling support part and the longitudinal top beams of the anchoring support part are propped against a roadway top plate through transverse steel band beams;
step four: controlling the lateral support oil cylinder of the anchoring support part and the tail end support oil cylinder of the anchoring support part to extend out, so that the lateral support seat of the anchoring support part and the tail end support seat of the anchoring support part are respectively propped against the side wall of the roadway and the bottom plate of the roadway;
step five: controlling the lower pressure oil cylinder to extend out, so that the pressing block is pressed onto the base of the anchoring supporting part;
step six: starting a cutting part and a shoveling part, cutting coal and rock through the cutting part, collecting and transporting cut coal by the shoveling part, and starting a drilling part to synchronously anchor in the cutting process;
step seven: controlling the longitudinal top beam of the tunneling support part to descend, and independently executing a roadway surrounding rock supporting task by the longitudinal top beam of the anchoring support part at the moment;
step eight: controlling the forward pushing driving oil cylinder to extend out, so that the tunneling supporting part integrally moves forward by one step distance;
step nine: controlling the longitudinal top beam of the tunneling support part to rise, and propping the longitudinal top beam of the tunneling support part against a roadway top plate through a transverse steel belt beam;
step ten: controlling the longitudinal top beam of the anchoring supporting part to descend, and simultaneously controlling the lateral supporting oil cylinder of the anchoring supporting part, the tail end supporting oil cylinder of the anchoring supporting part and the lower pressure oil cylinder to retract, wherein the longitudinal top beam of the tunneling supporting part independently executes a roadway surrounding rock supporting task;
step eleven: controlling the forward pushing driving oil cylinder to retract, so that the anchoring supporting part integrally moves forward by one step distance;
step twelve: placing a transverse steel band beam above the longitudinal top beam of the anchoring support part;
step thirteen: controlling the longitudinal top beams of the anchoring supporting parts to rise, and enabling the longitudinal top beams of the anchoring supporting parts to be propped against a roadway top plate through the transverse steel band beams again, wherein the longitudinal top beams of the tunneling supporting parts and the longitudinal top beams of the anchoring supporting parts are restored to a rising state at the same time;
step fourteen: and repeating the fourth step to the thirteenth step to realize continuous forward tunneling of the walking type tunneling-supporting-anchoring combined unit.
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| CN109707412B (en) * | 2019-02-21 | 2023-12-01 | 辽宁工程技术大学 | Automatic steel belt paving device and method for excavating, supporting and anchoring combined unit |
| CN110307016B (en) * | 2019-07-25 | 2024-03-01 | 辽宁工程技术大学 | Automatic laying device and method for anchor net and steel belt for excavating, supporting and anchoring combined unit |
| CN110566245A (en) * | 2019-09-16 | 2019-12-13 | 辽宁工程技术大学 | automatic circulating steel belt laying device and method for digging, supporting and anchoring combined unit |
| CN110541705B (en) * | 2019-09-19 | 2024-02-13 | 辽宁工程技术大学 | Crawler type excavating, supporting and anchoring combined unit and application method thereof |
| CN111396101B (en) * | 2020-03-23 | 2021-09-24 | 扎赉诺尔煤业有限责任公司 | Front support device for soft coal rock roadway tunneling and bolting machine and alternate support method |
| CN111946348B (en) * | 2020-07-09 | 2021-07-30 | 煤炭科学研究总院 | Intelligent continuous coal mining system for strip mine |
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| GB2123457B (en) * | 1982-07-09 | 1985-06-26 | Coal Ind | Excavating machine |
| CN205578020U (en) * | 2016-03-03 | 2016-09-14 | 辽宁工程技术大学 | Formula of taking a step tunnelling supporting device suitable for hard rock tunnelling |
| CN205578001U (en) * | 2016-03-03 | 2016-09-14 | 辽宁工程技术大学 | Advance support formula integral unit suitable for soft rock tunnelling |
| CN105604558B (en) * | 2016-03-03 | 2017-08-25 | 辽宁工程技术大学 | The forward supporting type Unit erriger tunneled suitable for soft rock |
| CN105569701B (en) * | 2016-03-03 | 2017-08-29 | 辽宁工程技术大学 | Suspension device is tunneled suitable for the step type that hard-rock tunnel is tunneled |
| CN107091721A (en) * | 2017-06-22 | 2017-08-25 | 辽宁工程技术大学 | One kind anchor combined unit experimental provision of pick branch and method |
| CN207080223U (en) * | 2017-07-19 | 2018-03-09 | 山西天巨重工机械有限公司 | A kind of colliery quick digging and anchoring all-in-one |
| CN107165630B (en) * | 2017-07-19 | 2023-03-28 | 山西天巨重工机械有限公司 | Quick digging and anchoring integrated machine for coal mine |
| CN208777997U (en) * | 2018-08-22 | 2019-04-23 | 辽宁工程技术大学 | A kind of anchor combined unit of step type pick branch |
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