CN109653277B - Ditch excavating device and method for excavating, supporting and anchoring combined unit - Google Patents
Ditch excavating device and method for excavating, supporting and anchoring combined unit Download PDFInfo
- Publication number
- CN109653277B CN109653277B CN201910125322.1A CN201910125322A CN109653277B CN 109653277 B CN109653277 B CN 109653277B CN 201910125322 A CN201910125322 A CN 201910125322A CN 109653277 B CN109653277 B CN 109653277B
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- blade shaft
- supporting
- ditch
- ditching
- excavating
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- 238000004873 anchoring Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000002699 waste material Substances 0.000 claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 238000009412 basement excavation Methods 0.000 claims abstract description 17
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 11
- 238000007599 discharging Methods 0.000 claims abstract description 10
- 230000005641 tunneling Effects 0.000 claims abstract description 9
- 230000005484 gravity Effects 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 239000003245 coal Substances 0.000 description 10
- 238000005065 mining Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/025—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with scraper-buckets, dippers or shovels
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/14—Component parts for trench excavators, e.g. indicating devices travelling gear chassis, supports, skids
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F7/00—Equipment for conveying or separating excavated material
- E02F7/02—Conveying equipment mounted on a dredger
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Screw Conveyors (AREA)
- Earth Drilling (AREA)
Abstract
A ditch excavating device and method of a combined machine set of digging, supporting and anchoring, the device includes a ditch digging and carrying mechanism and a waste material transferring mechanism; the ditching and carrying-out mechanism comprises a ditching drill bit, a helical blade shaft, a speed reducer, a driving motor, a bucket, a helical blade shaft outer cylinder body and a discharge hopper; the waste material transfer mechanism comprises a screw conveyer and a double-section telescopic cylinder. The method comprises the following steps: the excavation position of the drainage ditch is adjusted; the excavation depth of the drainage ditch is adjusted; starting a driving motor to drive the helical blade shaft and the trenching bit to rotate; controlling the tunneling and supporting combined unit to tunnel forwards, and excavating a drainage ditch with a set depth on a roadway bottom plate through a ditching drill bit; waste in the drainage ditch is shoveled into the bucket, lifted to the discharge hopper through the rotation and transportation action of the spiral blade shaft, and finally falls into the feed inlet of the spiral conveyor through the switching elbow pipe under the action of gravity; starting the screw conveyor, conveying the waste materials into the double-section telescopic cylinders, and discharging the waste materials into a conveying bin of the shoveling and conveying part conveyor of the excavating and supporting and anchoring combined unit through the declining type discharging slope.
Description
Technical Field
The invention belongs to the technical field of coal mine machinery, and particularly relates to a ditch excavating device and a ditch excavating method for a combined machine unit.
Background
The underground tunnel of the coal mine is affected by the geographical environment and is easy to have water seepage, if the water seepage is excessive, a large amount of accumulated water in the tunnel can be caused, and the accumulated water can affect the normal coal mining operation, so that drainage ditches are required to be excavated at the two sides of the tunnel so as to drain the accumulated water from a mining area into a goaf, and the normal coal mining operation is ensured.
At present, the escape canal is mainly excavated through the manual mode, and the excavation of escape canal is accomplished to workman's direct handheld pneumatic pick or rock drill, and the waste material that the ditching produced also needs the manpower to remove, not only leads to workman's intensity of labour big, and ditching inefficiency moreover, and the security is also lower simultaneously. In addition, when the conventional method is adopted to excavate the drainage ditch, the coal mining operation can be temporarily suspended, so that the coal mining efficiency is reduced.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention provides the ditch excavation device and the ditch excavation method for the combined machine unit, which abandon the mode of manually excavating the ditch, can finish automatic excavation of the ditch while the combined machine unit is used for coal mining operation, can automatically transport waste materials generated by ditching away from the ditch, greatly reduces the labor intensity of workers, effectively improves ditching efficiency and operation safety, and simultaneously effectively improves the coal mining efficiency.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the ditch digging device of the combined digging, supporting and anchoring unit comprises a ditch digging and carrying mechanism and a waste material transferring mechanism; the ditching and carrying-out mechanism comprises a ditching drill bit, a helical blade shaft, a speed reducer, a driving motor, a bucket, a helical blade shaft outer cylinder body and a discharge hopper; the waste material transferring mechanism comprises a screw conveyor and a double-section telescopic cylinder; the spiral blade shaft is obliquely arranged, the trenching drill bit is fixedly connected to the lower end of the spiral blade shaft, the upper end of the spiral blade shaft is connected with the power output end of the speed reducer, and the power input end of the speed reducer is fixedly connected with the motor shaft of the driving motor; the spiral blade shaft outer cylinder body is coaxially sleeved outside the spiral blade shaft, the bucket is fixedly arranged at the lower end cylinder opening of the spiral blade shaft outer cylinder body, and the discharge hopper is fixedly arranged at the upper end cylinder opening of the spiral blade shaft outer cylinder body; the screw conveyor is horizontally arranged, the feed inlet of the screw conveyor is upward, the discharge hopper is positioned above the feed inlet of the screw conveyor, and the discharge hopper is communicated with the feed inlet of the screw conveyor through a switching elbow; one end of the double-section telescopic cylinder is communicated with a discharge hole of the screw conveyor, the other end of the double-section telescopic cylinder is communicated with a transport bin of a shoveling and transporting part conveyor of the excavating and supporting combined unit, and a downward inclined discharging ramp is additionally arranged in a cylinder hole at the other end of the double-section telescopic cylinder.
The width of the bucket is less than the outer diameter of the trenching bit.
The ditch excavating device of the excavating, supporting and anchoring combined unit is positioned on one side or two sides of the excavating, supporting and anchoring combined unit, and the number of the arranged sides is one or more.
The ditch excavation method of the combined excavating, supporting and anchoring unit adopts the ditch excavation device of the combined excavating, supporting and anchoring unit, and comprises the following steps:
Step one: the length of the double-section telescopic cylinder is adjusted so as to adjust the distance between the ditching and carrying mechanism and the waste material transferring mechanism and the machine body of the digging, supporting and anchoring combined machine set, and further adjust the digging position of the drainage ditch;
Step two: the inclination angle of the ditching and carrying mechanism is adjusted so as to adjust the downward detection depth of the ditching drill bit and further adjust the excavation depth of the drainage ditch;
step three: starting a driving motor to sequentially drive the helical blade shaft and the trenching bit to rotate;
Step four: controlling the tunneling and supporting combined unit to tunnel forwards, and excavating a drainage ditch with a set depth on a roadway bottom plate through a ditching drill bit;
Step five: along with the continuous forward tunneling of the combined tunneling, the waste in the drainage ditch is continuously shoveled into the bucket, the waste entering the bucket is directly lifted onto the discharge hopper through the rotary transportation function of the helical blade shaft, and the waste on the discharge hopper directly falls into the feed inlet of the screw conveyor through the switching elbow under the action of gravity;
Step six: starting the screw conveyor, and directly conveying the waste materials falling into the feed inlet of the screw conveyor into the double-section telescopic cylinder, and further directly discharging the waste materials into a conveying bin of the digging, supporting and anchoring combined unit shovel conveying part conveyor through a downward inclined discharging slope.
The invention has the beneficial effects that:
According to the ditch excavation device and method for the combined excavating, supporting and anchoring unit, a mode of manually excavating a ditch is abandoned, automatic excavation of the ditch can be completed while coal mining operation is carried out by the combined excavating, supporting and anchoring unit, waste materials generated by ditching can be automatically conveyed away from the ditch, labor intensity of workers is greatly reduced, ditching efficiency and operation safety are effectively improved, and meanwhile coal exploitation efficiency is also effectively improved.
Drawings
FIG. 1 is a schematic structural view of a ditch excavation device of a combined excavating, supporting and anchoring unit of the invention;
FIG. 2 is a schematic structural view of the trenching and scooping mechanism of the present invention;
FIG. 3 is a schematic view of the waste transport mechanism of the present invention;
FIG. 4 is a schematic diagram of the assembly of the invention with a transport bin (double sided installation) of a shoveling section conveyor of a combined shoveling and bolting unit;
FIG. 5 is a schematic structural view of a combined mining, supporting and anchoring unit adopting the invention;
in the figure, a 1-ditching and carrying mechanism, a 2-waste transferring mechanism, a 3-ditching drill bit, a 4-helical blade shaft, a 5-speed reducer, a 6-driving motor, a 7-bucket, an 8-helical blade shaft outer cylinder, a 9-discharge hopper, a 10-helical conveyor, a 11-double-section telescopic cylinder, a 12-feed inlet of the helical conveyor, a transport bin of a 13-digging and supporting combined unit carrying part conveyor, a 14-declined discharge ramp and a 15-switching bent pipe.
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 5, a ditch excavating device of a combined excavating, supporting and anchoring unit comprises a ditch digging and carrying mechanism 1 and a waste material transferring mechanism 2; the ditching and carrying-out mechanism 1 comprises a ditching drill bit 3, a helical blade shaft 4, a speed reducer 5, a driving motor 6, a bucket 7, a helical blade shaft outer cylinder 8 and a discharge hopper 9; the waste material transferring mechanism 2 comprises a screw conveyor 10 and a double-section telescopic cylinder 11; the spiral blade shaft 4 is obliquely arranged, the trenching drill bit 3 is fixedly connected to the lower end of the spiral blade shaft 4, the upper end of the spiral blade shaft 4 is connected with the power output end of the speed reducer 5, and the power input end of the speed reducer 5 is fixedly connected with the motor shaft of the driving motor 6; the spiral blade shaft outer cylinder body 8 is coaxially sleeved outside the spiral blade shaft 4, the bucket 7 is fixedly arranged at the lower end cylinder opening of the spiral blade shaft outer cylinder body 8, and the discharge hopper 9 is fixedly arranged at the upper end cylinder opening of the spiral blade shaft outer cylinder body 8; the screw conveyor 10 is horizontally arranged, a feed inlet 12 of the screw conveyor 10 is arranged upwards, the discharge hopper 9 is positioned above the feed inlet 12 of the screw conveyor 10, and the discharge hopper 9 is communicated with the feed inlet 12 of the screw conveyor 10 through a transfer elbow 15; one end of the double-section telescopic cylinder 11 is communicated with a discharge hole of the screw conveyor 10, the other end of the double-section telescopic cylinder 11 is communicated with a transport bin 13 of a shoveling and transporting part conveyor of the excavating and supporting combined unit, and a downward inclined discharging ramp 14 is additionally arranged in a cylinder hole at the other end of the double-section telescopic cylinder 11.
The width of the bucket 7 is smaller than the outer diameter of the trenching bit 3. During the ditch excavation process, the bucket 7 can be ensured to fully penetrate into the ditch, and the waste in the ditch is fully shoveled into the bucket 7.
The ditch excavating device of the excavating, supporting and anchoring combined unit is positioned on one side or two sides of the excavating, supporting and anchoring combined unit, and the number of the arranged sides is one or more.
The ditch excavation method of the combined excavating, supporting and anchoring unit adopts the ditch excavation device of the combined excavating, supporting and anchoring unit, and comprises the following steps:
Step one: the length of the double-section telescopic cylinder 11 is adjusted so as to adjust the distance between the ditching and carrying mechanism 1, the waste material transferring mechanism 2 and the combined machine body of the digging, supporting and anchoring machine, and further adjust the digging position of the drainage ditch;
step two: the inclination angle of the ditching and carrying mechanism 1 is adjusted so as to adjust the downward detection depth of the ditching drill bit 3 and further adjust the excavation depth of the drainage ditch;
Step three: starting a driving motor 6 to sequentially drive the helical blade shaft 4 and the trenching bit 3 to rotate;
Step four: the combined machine set of the digging, supporting and anchoring is controlled to dig forwards, and a drainage ditch with a set depth is dug on a roadway bottom plate through a ditching drill bit 3;
Step five: along with the continuous forward tunneling of the combined tunneling, the waste materials in the drainage ditch are continuously shoveled into the bucket 7, the waste materials entering the bucket 7 are directly lifted onto the discharge hopper 9 through the rotary transportation action of the helical blade shaft 4, and the waste materials on the discharge hopper 9 directly fall into the feed inlet 12 of the screw conveyor 10 through the switching elbow 15 under the action of gravity;
Step six: the screw conveyor 10 is started, and the waste materials falling into the feed inlet 12 of the screw conveyor 10 are directly conveyed into the double-section telescopic cylinder 11, and then are directly discharged into the conveying bin 13 of the digging, supporting and anchoring combined unit shoveling part conveyor through the declined discharging ramp 14.
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 (1)
1. The ditch digging method of the combined machine set of digging, supporting and anchoring adopts a ditch digging device of the combined machine set of digging, supporting and anchoring, and is characterized in that: the device comprises a ditching and carrying mechanism and a waste material transferring mechanism; the ditching and carrying-out mechanism comprises a ditching drill bit, a helical blade shaft, a speed reducer, a driving motor, a bucket, a helical blade shaft outer cylinder body and a discharge hopper; the waste material transferring mechanism comprises a screw conveyor and a double-section telescopic cylinder; the spiral blade shaft is obliquely arranged, the trenching drill bit is fixedly connected to the lower end of the spiral blade shaft, the upper end of the spiral blade shaft is connected with the power output end of the speed reducer, and the power input end of the speed reducer is fixedly connected with the motor shaft of the driving motor; the spiral blade shaft outer cylinder body is coaxially sleeved outside the spiral blade shaft, the bucket is fixedly arranged at the lower end cylinder opening of the spiral blade shaft outer cylinder body, and the discharge hopper is fixedly arranged at the upper end cylinder opening of the spiral blade shaft outer cylinder body; the screw conveyor is horizontally arranged, the feed inlet of the screw conveyor is upward, the discharge hopper is positioned above the feed inlet of the screw conveyor, and the discharge hopper is communicated with the feed inlet of the screw conveyor through a switching elbow; one end of the double-section telescopic cylinder is communicated with a discharge hole of the screw conveyor, the other end of the double-section telescopic cylinder is communicated with a transport bin of a shoveling part conveyor of the digging-supporting-anchoring combined unit, and a downward inclined discharging ramp is additionally arranged in a cylinder hole at the other end of the double-section telescopic cylinder; the width of the bucket is smaller than the outer diameter of the trenching bit; the ditch excavating device of the excavating, supporting and anchoring combined unit is positioned on one side or two sides of the excavating, supporting and anchoring combined unit, and the number of the arranged sides is one or more; the method comprises the following steps:
Step one: the length of the double-section telescopic cylinder is adjusted so as to adjust the distance between the ditching and carrying mechanism and the waste material transferring mechanism and the machine body of the digging, supporting and anchoring combined machine set, and further adjust the digging position of the drainage ditch;
Step two: the inclination angle of the ditching and carrying mechanism is adjusted so as to adjust the downward detection depth of the ditching drill bit and further adjust the excavation depth of the drainage ditch;
step three: starting a driving motor to sequentially drive the helical blade shaft and the trenching bit to rotate;
Step four: controlling the tunneling and supporting combined unit to tunnel forwards, and excavating a drainage ditch with a set depth on a roadway bottom plate through a ditching drill bit;
Step five: along with the continuous forward tunneling of the combined tunneling, the waste in the drainage ditch is continuously shoveled into the bucket, the waste entering the bucket is directly lifted onto the discharge hopper through the rotary transportation function of the helical blade shaft, and the waste on the discharge hopper directly falls into the feed inlet of the screw conveyor through the switching elbow under the action of gravity;
Step six: starting the screw conveyor, and directly conveying the waste materials falling into the feed inlet of the screw conveyor into the double-section telescopic cylinder, and further directly discharging the waste materials into a conveying bin of the digging, supporting and anchoring combined unit shovel conveying part conveyor through a downward inclined discharging slope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910125322.1A CN109653277B (en) | 2019-02-20 | 2019-02-20 | Ditch excavating device and method for excavating, supporting and anchoring combined unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910125322.1A CN109653277B (en) | 2019-02-20 | 2019-02-20 | Ditch excavating device and method for excavating, supporting and anchoring combined unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109653277A CN109653277A (en) | 2019-04-19 |
| CN109653277B true CN109653277B (en) | 2024-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910125322.1A Active CN109653277B (en) | 2019-02-20 | 2019-02-20 | Ditch excavating device and method for excavating, supporting and anchoring combined unit |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112144536B (en) * | 2020-09-17 | 2022-03-08 | 中国葛洲坝集团机电建设有限公司 | Double-trapezoid earthwork excavating device and method |
| CN112594001B (en) * | 2020-12-24 | 2025-03-11 | 辽宁工程技术大学 | A full-section scraping and recovery device for a combined digging, supporting and anchoring unit and a method of using the same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202603220U (en) * | 2011-12-29 | 2012-12-19 | 江苏大学 | Telescopic pepper sucking collection device with controllable air capacity |
| CN207003514U (en) * | 2017-04-14 | 2018-02-13 | 曲阜兴运输送机械设备有限公司 | A kind of two-wheeled digging excavation conveyer |
| CN209686484U (en) * | 2019-02-20 | 2019-11-26 | 辽宁工程技术大学 | A ditch excavation device for a combined excavation, support and anchor unit |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2296471Y (en) * | 1997-04-04 | 1998-11-04 | 黄泽溥 | Telescopic tubular fume exhauster for cooking |
| WO2007126890A1 (en) * | 2006-03-27 | 2007-11-08 | The Charles Machine Works, Inc. | Auger for use with trenching assembly |
| CN104564067B (en) * | 2014-12-31 | 2017-05-24 | 马晓山 | Shoveling and transporting device for large-width simultaneous drifting coal roadway integrated digging and anchoring machine |
| CN206842591U (en) * | 2017-03-28 | 2018-01-05 | 希弗特科技（北京）有限公司 | A kind of novel retractable rotary distribution mechanism |
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2019
- 2019-02-20 CN CN201910125322.1A patent/CN109653277B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202603220U (en) * | 2011-12-29 | 2012-12-19 | 江苏大学 | Telescopic pepper sucking collection device with controllable air capacity |
| CN207003514U (en) * | 2017-04-14 | 2018-02-13 | 曲阜兴运输送机械设备有限公司 | A kind of two-wheeled digging excavation conveyer |
| CN209686484U (en) * | 2019-02-20 | 2019-11-26 | 辽宁工程技术大学 | A ditch excavation device for a combined excavation, support and anchor unit |
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| Publication number | Publication date |
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| CN109653277A (en) | 2019-04-19 |
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