CN112727520A - Side-edge-recovery type digging-supporting-anchoring combined unit and using method thereof - Google Patents
Side-edge-recovery type digging-supporting-anchoring combined unit and using method thereof Download PDFInfo
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- CN112727520A CN112727520A CN202011551709.2A CN202011551709A CN112727520A CN 112727520 A CN112727520 A CN 112727520A CN 202011551709 A CN202011551709 A CN 202011551709A CN 112727520 A CN112727520 A CN 112727520A
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- 238000004873 anchoring Methods 0.000 title claims abstract description 50
- 238000011084 recovery Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000005520 cutting process Methods 0.000 claims abstract description 31
- 239000003245 coal Substances 0.000 claims abstract description 13
- 230000005641 tunneling Effects 0.000 claims description 15
- 238000005553 drilling Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000003213 activating effect Effects 0.000 abstract 2
- 239000011435 rock Substances 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
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Classifications
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- 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
- 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
-
- 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
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- 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
- E21D20/00—Setting anchoring-bolts
- E21D20/003—Machines for drilling anchor holes and setting anchor bolts
-
- 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
- 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
- E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
- E21D23/063—Retractable cantilever extensions therefor
-
- 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
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
-
- 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
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
- E21D23/18—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices of advancing mechanisms
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
A side recovery type combined unit for digging, supporting and anchoring and a use method thereof are disclosed, wherein auxiliary supporting parts of the equipment are symmetrically distributed on the left side and the right side of a main supporting part, a shoveling and transporting channel is reserved between a main slipper of the main supporting part and an auxiliary slipper of the auxiliary supporting part, and a stepping pushing oil cylinder is connected between the main slipper and the auxiliary slipper; the cutting part is arranged above the main skid shoe; the shoveling and conveying part is positioned below the cutting part and is positioned in front of the main sliding shoes and in a shoveling and conveying channel between the main sliding shoes and the auxiliary sliding shoes; the anchor supporting part is located main supporting part rear, and the inside keysets that is provided with of the auxiliary slipper of anchor supporting part, keysets stretch out from the front end of auxiliary slipper, and the main slipper of main supporting part is articulated mutually with the outer end that extends of keysets. The using method comprises the following steps: activating the auxiliary support part and the anchoring support part; advancing forwards and finishing cutting and coal collecting; activating the primary support portion and disengaging the secondary support portion and the anchor support portion; the auxiliary supporting part and the anchoring supporting part step forwards together; the secondary support and the anchor support are activated and the primary support is broken.
Description
Technical Field
The invention belongs to the technical field of coal mine machinery, and particularly relates to a side-recovery type digging-supporting-anchoring combined unit and a using method thereof.
Background
At present, most of the existing fully-mechanized excavation 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 fully-mechanized excavation equipment adopts an integral top beam scheme for temporary support of the roadway top plate, the integral top beam is easy to have the situation of unrealistic support of the roadway top plate, and the integral top beam can repeatedly roll the roadway top plate in the advancing process, so that the danger of secondary crushing and falling of the top plate is increased; in addition, the existing fully-mechanized excavating equipment generates large vibration in the coal and rock cutting process, and the equipment body can generate a yaw phenomenon in serious conditions, so that the excavating efficiency is seriously influenced.
Chinese patent application No. 201410027478.3 discloses a dig integrative unit of anchor, it is through with on installing a slide with tunnelling mechanism, temporary support mechanism and permanent support mechanism to be equipped with running gear in permanent support mechanism below, though this patent application has reformed transform traditional fully to combine to dig and equip 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 is great in the pit, a large amount of dust is piled up and is extremely easily caused the slide card die, thereby lead to the problem that can't continue to pass.
The Chinese patent application with the application number of 201611237498.9 discloses a digging, supporting, anchoring and drilling integrated fully-mechanized excavating machine, which integrates digging, supporting, anchoring and drilling together by arranging anchoring and protecting equipment, drilling equipment and a temporary supporting device on the body of the original excavating machine, but the application adopts a crawler-type walking scheme, so that the problems of easy damage, difficult maintenance, easy slipping and sinking exist.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a side-edge recovery type tunneling, supporting and anchoring combined unit and a use method thereof, wherein a walking type walking mode is adopted, so that the problem of repeatedly rolling a roadway roof by a top beam is effectively solved, the danger of secondary crushing and caving of the roadway roof is reduced, the vibration quantity of equipment in the coal and rock cutting process is effectively improved, and the tunneling efficiency and the tunneling safety are further improved; the anchoring support part is independently arranged behind the main support part, so that other operations of the heading machine cannot be influenced in the anchoring operation process; the shoveling and conveying part adopts a side recovery type structure, so that the recovery capacity of the fallen coal is further improved.
In order to achieve the purpose, the invention adopts the following technical scheme: a side-edge recovery type digging, supporting and anchoring combined unit comprises a cutting part, a shoveling part, a main supporting part, an auxiliary supporting part and an anchoring supporting part; the auxiliary supporting parts are symmetrically distributed on the left side and the right side of the main supporting part, a shoveling and transporting channel is reserved between the main sliding shoes of the main supporting part and the auxiliary sliding shoes of the auxiliary supporting part, and a stepping pushing oil cylinder is connected between the main sliding shoes of the main supporting part and the auxiliary sliding shoes of the auxiliary supporting part; the cutting part is arranged above the main skid shoe of the main supporting part; the shoveling and conveying part is positioned below the cutting part and is positioned in front of the main skid shoe of the main supporting part and in a shoveling and conveying channel between the main skid shoe and the auxiliary skid shoe; the anchor supporting part is located behind the main supporting part, an adapter plate is arranged inside the auxiliary sliding shoes of the anchor supporting part, the adapter plate extends out of the front ends of the auxiliary sliding shoes, and the main sliding shoes of the main supporting part are hinged with the extending ends of the adapter plate.
A main supporting oil cylinder and a main supporting upright post are vertically arranged on a main sliding shoe of the main supporting part, a main supporting top beam is horizontally arranged at the tops of the main supporting oil cylinder and the main supporting upright post, and the top ends of piston rods of the main supporting oil cylinder and the main supporting upright post are connected with the lower surface of the main supporting top beam through universal ball joints; a telescopic main front cantilever is arranged at the front end of the main supporting top beam, and a main front cantilever pitching posture-adjusting oil cylinder is connected between the main supporting top beam and the telescopic main front cantilever; and a steel belt laying mechanism is arranged on the main supporting top beam.
An auxiliary support oil cylinder and an auxiliary support upright post are vertically arranged on an auxiliary sliding shoe of the auxiliary support part, an auxiliary support top beam is horizontally arranged at the tops of the auxiliary support oil cylinder and the auxiliary support upright post, and the top ends of piston rods of the auxiliary support oil cylinder and the auxiliary support upright post are connected with the lower surface of the auxiliary support top beam through universal ball joints; a telescopic auxiliary front cantilever is arranged at the front end of the auxiliary supporting top beam, and an auxiliary front cantilever pitching posture-adjusting oil cylinder is connected between the auxiliary supporting top beam and the telescopic auxiliary front cantilever; a ground supporting plate is hinged to the side of the auxiliary sliding shoe, and a ground supporting plate posture adjusting oil cylinder is connected between the ground supporting plate and the auxiliary sliding shoe.
An auxiliary supporting upright post is vertically arranged on the auxiliary sliding shoe of the anchoring supporting part, an auxiliary supporting top beam is horizontally arranged at the top of the auxiliary supporting upright post, and the top end of a piston rod of the auxiliary supporting upright post is connected with the lower surface of the auxiliary supporting top beam through a universal ball joint; and the auxiliary sliding shoe is provided with an anchor rod drilling machine.
The shoveling and conveying part comprises a main shovel plate, an auxiliary shovel plate, a scraper conveyor, a tail swinging type conveying device and a flexible continuous conveying system; the main shovel plate is connected with a main sliding shoe of the main supporting part through a shovel plate pushing oil cylinder; the auxiliary shovel plates are symmetrically distributed on the left side and the right side of the main shovel plate, the auxiliary shovel plates are hinged to the main shovel plate, and an auxiliary shovel plate posture adjusting oil cylinder is connected between the auxiliary shovel plate and the main shovel plate; the scraper conveyer adopts a right-angle turning type scraper conveyer, one support arm of the scraper conveyer is positioned on a main shovel plate, the other support arm of the scraper conveyer is positioned in a shoveling channel between a main sliding shoe and an auxiliary sliding shoe, the feeding end of the tail swinging type conveying device is connected with the scraper conveyer, and the discharging end of the tail swinging type conveying device is connected with a flexible continuous conveying system.
The use method of the side recovery type digging, supporting and anchoring combined unit comprises the following steps:
the method comprises the following steps: the tunnel top plate is supported by the auxiliary supporting part and the anchoring supporting part;
step two: the extension of the stepping pushing cylinder is controlled, the adapter plate is controlled to extend forwards from the inside of the auxiliary sliding shoe, the main supporting part, the shoveling part and the cutting part synchronously move forwards, the cutting part finishes the cutting operation of the coal body, the shoveling part finishes the collection and transportation of the fallen coal, and the anchoring supporting part finishes the anchoring operation of the roadway top plate and the side wall;
step three: controlling the elongation of the stepping pushing cylinder and the extension of the adapter plate to reach upper limit values, and finishing cutting operation within a cutting range;
step four: the main supporting part completes the supporting of the roadway roof, and the auxiliary supporting part and the anchoring supporting part simultaneously remove the supporting of the roadway roof;
step five: controlling the stepping pushing cylinder and the adapter plate to retract to the initial position, so that the auxiliary supporting part and the anchoring supporting part synchronously move forward by a step distance;
step six: the auxiliary supporting part and the anchoring supporting part complete the support of the roadway roof, and the main supporting part releases the support of the roadway roof;
step seven: and repeating the second step to the sixth step to realize continuous stepping tunneling operation.
The invention has the beneficial effects that:
according to the side-edge-recovery type tunneling, supporting and anchoring combined unit and the using method thereof, a walking type walking mode is adopted, the problem that a top beam repeatedly rolls a roadway roof is effectively solved, the risks of secondary crushing and falling of the roadway roof are reduced, the vibration quantity of equipment in the coal and rock cutting process is effectively improved, and the tunneling efficiency and the tunneling safety are further improved; the anchoring support part is independently arranged behind the main support part, so that other operations of the heading machine cannot be influenced in the anchoring operation process; the shoveling and conveying part adopts a side recovery type structure, so that the recovery capacity of the fallen coal is further improved.
Drawings
FIG. 1 is a schematic structural view of a side recovery type tunneling, supporting and anchoring combined unit according to the present invention;
FIG. 2 is a schematic structural view of a side recovery type tunneling-support-anchor combined unit (the sub-support and the anchor support are not shown) according to the present invention;
FIG. 3 is a schematic structural view of the auxiliary support portion of the present invention;
FIG. 4 is a schematic view of the anchor support of the present invention;
FIG. 5 is a schematic view of the carry scraper portion of the present invention;
in the figure, 1-cutting part, 2-scraping part, 3-main supporting part, 4-auxiliary supporting part, 5-anchoring supporting part, 6-main sliding shoe, 7-auxiliary sliding shoe, 8-stepping pushing cylinder, 9-auxiliary sliding shoe, 10-adapter plate, 11-main supporting cylinder, 12-main supporting column, 13-main supporting top beam, 14-telescopic main front canopy, 15-main front canopy pitch attitude adjusting cylinder, 16-auxiliary supporting cylinder, 17-auxiliary supporting column, 18-auxiliary supporting top beam, 19-telescopic auxiliary front canopy, 20-auxiliary front canopy pitch attitude adjusting cylinder, 21-ground supporting plate, 22-ground supporting plate attitude adjusting cylinder, 23-auxiliary supporting column, 24-auxiliary supporting top beam, 25-anchor drilling machine, 26-main shovel plate, 27-auxiliary shovel plate, 28-scraper conveyor, 29-swing tail type transportation device, 30-flexible continuous pushing cylinder, 31-shovel plate, and 32, assisting the shovel plate to adjust the posture oil cylinder.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
As shown in fig. 1 to 5, a side-recovery type digging-supporting-anchoring combined unit comprises a cutting part 1, a shoveling part 2, a main supporting part 3, an auxiliary supporting part 4 and an anchoring supporting part 5; the auxiliary supporting parts 4 are symmetrically distributed at the left side and the right side of the main supporting part 3, a shoveling and transporting channel is reserved between a main slipper 6 of the main supporting part 3 and an auxiliary slipper 7 of the auxiliary supporting part 4, and a stepping pushing cylinder 8 is connected between a main slipper 5 of the main supporting part 3 and the auxiliary slipper 6 of the auxiliary supporting part 4; the cutting part 1 is arranged above the main skid shoe of the main supporting part 3; the shoveling and conveying part 2 is positioned below the cutting part 1, and the shoveling and conveying part 2 is positioned in front of a main slipper 5 of the main supporting part 3 and in a shoveling and conveying channel between the main slipper 5 and an auxiliary slipper 6; the anchor supporting part 5 is located behind the main supporting part 3, an adapter plate 10 is arranged inside an auxiliary sliding shoe 9 of the anchor supporting part 5, the adapter plate 10 extends out of the front end of the auxiliary sliding shoe 9, and the main sliding shoe 5 of the main supporting part 3 is hinged to the extending end of the adapter plate 10.
A main supporting oil cylinder 11 and a main supporting upright post 12 are vertically arranged on the main sliding shoe 6 of the main supporting part 3, a main supporting top beam 13 is horizontally arranged at the tops of the main supporting oil cylinder 11 and the main supporting upright post 12, and the top ends of piston rods of the main supporting oil cylinder 11 and the main supporting upright post 12 are connected with the lower surface of the main supporting top beam 13 through universal ball joints; a telescopic main front cantilever 14 is arranged at the front end of the main supporting top beam 13, and a main front cantilever pitching and posture adjusting oil cylinder 15 is connected between the main supporting top beam 13 and the telescopic main front cantilever 14; and a steel belt laying mechanism is arranged on the main supporting top beam 13.
An auxiliary support oil cylinder 16 and an auxiliary support upright post 17 are vertically arranged on the auxiliary sliding shoe 7 of the auxiliary support part 4, an auxiliary support top beam 18 is horizontally arranged at the top of the auxiliary support oil cylinder 16 and the auxiliary support upright post 17, and the top ends of piston rods of the auxiliary support oil cylinder 16 and the auxiliary support upright post 17 are connected with the lower surface of the auxiliary support top beam 18 through universal ball joints; a telescopic auxiliary front cantilever 19 is arranged at the front end of the auxiliary supporting top beam 18, and an auxiliary front cantilever pitching and posture adjusting oil cylinder 20 is connected between the auxiliary supporting top beam 18 and the telescopic auxiliary front cantilever 19; a ground supporting plate 21 is hinged on the side of the auxiliary sliding shoe 7, and a ground supporting plate posture adjusting cylinder 22 is connected between the ground supporting plate 21 and the auxiliary sliding shoe 7.
An auxiliary supporting upright column 23 is vertically arranged on the auxiliary sliding shoe 9 of the anchoring supporting part 5, an auxiliary supporting top beam 24 is horizontally arranged at the top of the auxiliary supporting upright column 23, and the top end of a piston rod of the auxiliary supporting upright column 23 is connected with the lower surface of the auxiliary supporting top beam 24 through a universal ball joint; a jumbolter 25 is mounted on the auxiliary shoe 9.
The shoveling and transporting part 2 comprises a main shovel plate 26, an auxiliary shovel plate 27, a scraper conveyor 28, a swing tail type transporting device 29 and a flexible continuous transporting system 30; the main shovel plate 26 is connected with the main skid shoe 6 of the main supporting part 3 through a shovel plate pushing oil cylinder 31; the auxiliary shovel plates 27 are symmetrically distributed on the left side and the right side of the main shovel plate 26, the auxiliary shovel plates 27 are hinged on the main shovel plate 26, and an auxiliary shovel plate posture adjusting oil cylinder 32 is connected between the auxiliary shovel plates 27 and the main shovel plate 26; the scraper conveyer 28 adopts a right-angle turning type scraper conveyer, one support arm of the scraper conveyer 28 is positioned on the main shovel plate 26, the other support arm of the scraper conveyer 28 is positioned in a shoveling channel between the main slipper 5 and the auxiliary slipper 6, the feeding end of the tail swinging type conveying device 29 is connected with the scraper conveyer 28, and the discharging end of the tail swinging type conveying device 29 is connected with the flexible continuous conveying system 30.
The use method of the side recovery type digging, supporting and anchoring combined unit comprises the following steps:
the method comprises the following steps: the supporting of the roadway top plate is completed by the auxiliary supporting part 4 and the anchoring supporting part 5;
step two: the extension of the stepping pushing cylinder 8 is controlled, the adapter plate 10 is controlled to extend forwards from the auxiliary skid shoe 9, the main supporting part 3, the shoveling part 2 and the cutting part 1 synchronously move forwards, the cutting part 1 finishes the cutting operation of the coal body, the shoveling part 2 finishes the collection and transportation of the fallen coal, and the anchoring supporting part 4 finishes the anchoring operation of the top plate and the side wall of the roadway;
step three: controlling the elongation of the stepping pushing cylinder 8 and the extension of the adapter plate 10 to reach an upper limit value, and finishing cutting operation within a cutting range;
step four: the main supporting part 3 completes the supporting of the top plate of the roadway, and simultaneously the auxiliary supporting part 4 and the anchoring supporting part 5 remove the supporting of the top plate of the roadway;
step five: controlling the stepping pushing cylinder 8 and the adapter plate 10 to retract to the initial position, so that the auxiliary supporting part 4 and the anchoring supporting part 5 synchronously move forwards by a step distance;
step six: the supporting of the roadway roof is completed by the auxiliary supporting part 4 and the anchoring supporting part 5, and the supporting of the main supporting part 3 on the roadway roof is released;
step seven: and repeating the second step to the sixth step to realize continuous stepping tunneling operation.
The embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications without departing from the scope of the present invention are intended to be included in the scope of the present invention.
Claims (6)
1. The utility model provides a side recovery formula is dug and is propped anchor combined unit which characterized in that: comprises a cutting part, a carry-scraper part, a main supporting part, an auxiliary supporting part and an anchoring supporting part; the auxiliary supporting parts are symmetrically distributed on the left side and the right side of the main supporting part, a shoveling and transporting channel is reserved between the main sliding shoes of the main supporting part and the auxiliary sliding shoes of the auxiliary supporting part, and a stepping pushing oil cylinder is connected between the main sliding shoes of the main supporting part and the auxiliary sliding shoes of the auxiliary supporting part; the cutting part is arranged above the main skid shoe of the main supporting part; the shoveling and conveying part is positioned below the cutting part and is positioned in front of the main skid shoe of the main supporting part and in a shoveling and conveying channel between the main skid shoe and the auxiliary skid shoe; the anchor supporting part is located behind the main supporting part, an adapter plate is arranged inside the auxiliary sliding shoes of the anchor supporting part, the adapter plate extends out of the front ends of the auxiliary sliding shoes, and the main sliding shoes of the main supporting part are hinged with the extending ends of the adapter plate.
2. The side recovery type tunneling, supporting and anchoring combined unit according to claim 1, wherein: a main supporting oil cylinder and a main supporting upright post are vertically arranged on a main sliding shoe of the main supporting part, a main supporting top beam is horizontally arranged at the tops of the main supporting oil cylinder and the main supporting upright post, and the top ends of piston rods of the main supporting oil cylinder and the main supporting upright post are connected with the lower surface of the main supporting top beam through universal ball joints; a telescopic main front cantilever is arranged at the front end of the main supporting top beam, and a main front cantilever pitching posture-adjusting oil cylinder is connected between the main supporting top beam and the telescopic main front cantilever; and a steel belt laying mechanism is arranged on the main supporting top beam.
3. The side recovery type tunneling, supporting and anchoring combined unit according to claim 1, wherein: an auxiliary support oil cylinder and an auxiliary support upright post are vertically arranged on an auxiliary sliding shoe of the auxiliary support part, an auxiliary support top beam is horizontally arranged at the tops of the auxiliary support oil cylinder and the auxiliary support upright post, and the top ends of piston rods of the auxiliary support oil cylinder and the auxiliary support upright post are connected with the lower surface of the auxiliary support top beam through universal ball joints; a telescopic auxiliary front cantilever is arranged at the front end of the auxiliary supporting top beam, and an auxiliary front cantilever pitching posture-adjusting oil cylinder is connected between the auxiliary supporting top beam and the telescopic auxiliary front cantilever; a ground supporting plate is hinged to the side of the auxiliary sliding shoe, and a ground supporting plate posture adjusting oil cylinder is connected between the ground supporting plate and the auxiliary sliding shoe.
4. The side recovery type tunneling, supporting and anchoring combined unit according to claim 1, wherein: an auxiliary supporting upright post is vertically arranged on the auxiliary sliding shoe of the anchoring supporting part, an auxiliary supporting top beam is horizontally arranged at the top of the auxiliary supporting upright post, and the top end of a piston rod of the auxiliary supporting upright post is connected with the lower surface of the auxiliary supporting top beam through a universal ball joint; and the auxiliary sliding shoe is provided with an anchor rod drilling machine.
5. The side recovery type tunneling, supporting and anchoring combined unit according to claim 1, wherein: the shoveling and conveying part comprises a main shovel plate, an auxiliary shovel plate, a scraper conveyor, a tail swinging type conveying device and a flexible continuous conveying system; the main shovel plate is connected with a main sliding shoe of the main supporting part through a shovel plate pushing oil cylinder; the auxiliary shovel plates are symmetrically distributed on the left side and the right side of the main shovel plate, the auxiliary shovel plates are hinged to the main shovel plate, and an auxiliary shovel plate posture adjusting oil cylinder is connected between the auxiliary shovel plate and the main shovel plate; the scraper conveyer adopts a right-angle turning type scraper conveyer, one support arm of the scraper conveyer is positioned on a main shovel plate, the other support arm of the scraper conveyer is positioned in a shoveling channel between a main sliding shoe and an auxiliary sliding shoe, the feeding end of the tail swinging type conveying device is connected with the scraper conveyer, and the discharging end of the tail swinging type conveying device is connected with a flexible continuous conveying system.
6. The use method of the side recovery type tunneling, supporting and anchoring combined unit as claimed in claim 1, characterized by comprising the steps of:
the method comprises the following steps: the tunnel top plate is supported by the auxiliary supporting part and the anchoring supporting part;
step two: the extension of the stepping pushing cylinder is controlled, the adapter plate is controlled to extend forwards from the inside of the auxiliary sliding shoe, the main supporting part, the shoveling part and the cutting part synchronously move forwards, the cutting part finishes the cutting operation of the coal body, the shoveling part finishes the collection and transportation of the fallen coal, and the anchoring supporting part finishes the anchoring operation of the roadway top plate and the side wall;
step three: controlling the elongation of the stepping pushing cylinder and the extension of the adapter plate to reach upper limit values, and finishing cutting operation within a cutting range;
step four: the main supporting part completes the supporting of the roadway roof, and the auxiliary supporting part and the anchoring supporting part simultaneously remove the supporting of the roadway roof;
step five: controlling the stepping pushing cylinder and the adapter plate to retract to the initial position, so that the auxiliary supporting part and the anchoring supporting part synchronously move forward by a step distance;
step six: the auxiliary supporting part and the anchoring supporting part complete the support of the roadway roof, and the main supporting part releases the support of the roadway roof;
step seven: and repeating the second step to the sixth step to realize continuous stepping tunneling operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011551709.2A CN112727520A (en) | 2020-12-24 | 2020-12-24 | Side-edge-recovery type digging-supporting-anchoring combined unit and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011551709.2A CN112727520A (en) | 2020-12-24 | 2020-12-24 | Side-edge-recovery type digging-supporting-anchoring combined unit and using method thereof |
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| Publication Number | Publication Date |
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| CN112727520A true CN112727520A (en) | 2021-04-30 |
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| CN202011551709.2A Pending CN112727520A (en) | 2020-12-24 | 2020-12-24 | Side-edge-recovery type digging-supporting-anchoring combined unit and using method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115075839A (en) * | 2022-07-22 | 2022-09-20 | 山西天地煤机装备有限公司 | Rock boring machine and rock roadway boring method |
-
2020
- 2020-12-24 CN CN202011551709.2A patent/CN112727520A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115075839A (en) * | 2022-07-22 | 2022-09-20 | 山西天地煤机装备有限公司 | Rock boring machine and rock roadway boring method |
| CN115075839B (en) * | 2022-07-22 | 2022-11-04 | 山西天地煤机装备有限公司 | Rock tunneling machine and rock roadway tunneling method |
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