CN107826529A - Drill dredger - Google Patents
Drill dredger Download PDFInfo
- Publication number
- CN107826529A CN107826529A CN201711122099.2A CN201711122099A CN107826529A CN 107826529 A CN107826529 A CN 107826529A CN 201711122099 A CN201711122099 A CN 201711122099A CN 107826529 A CN107826529 A CN 107826529A
- Authority
- CN
- China
- Prior art keywords
- power transmission
- transmission pipe
- drill bit
- drilling
- vibrations
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
- B65D88/64—Large containers characterised by means facilitating filling or emptying preventing bridge formation
- B65D88/68—Large containers characterised by means facilitating filling or emptying preventing bridge formation using rotating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
- B65D88/64—Large containers characterised by means facilitating filling or emptying preventing bridge formation
- B65D88/66—Large containers characterised by means facilitating filling or emptying preventing bridge formation using vibrating or knocking devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses one kind drilling dredger, including handle, power set, power transmission pipe, drill bit, it is characterised in that described power set one end is connected with power transmission pipe, and the power set are connected with handle, and the power transmission pipe is connected with drill bit；Cable and flexible drive shaft are provided with the power transmission pipe；The drill bit passes through the flexible driving axis connection in rotating rotary drum and power transmission pipe, the drill bit includes upper and lower two dredging cutterheads, some cutters tooth are installed on cutterhead face, the drill bit internal is provided with vibrations chamber, the vibrations intracavitary is provided with vibration rod, the vibration rod top and the cable connection in power transmission pipe, the vibration rod bottom is connected with vibration hammer.The present invention is simple in construction, detachable and be mounted with control handle, is easy to carry and operates.
Description
Technical field
The present invention relates generally to dredger technical field, and more particularly, the present invention relates to drilling dredger.
Background technology
In underground coal mine, the tubular chamber such as coal bunker, waste bin, milling coal hole is inclined gallery or the vertical on not direct sensible ground,
Its effect is storing and slips coal or spoil using deadweight.Each colliery needs multiple such chambers of constructing every year, to meet
Coal and the requirement for going out cash, superdeep holes shaft formatting by one blasting method (abbreviation simultaneous shaft sin king) is one of presently most used construction method.
Superdeep holes shaft formatting by one blasting technology be according to tubular chamber section size, from top to bottom (can also be by required blasthole
Drill through down upwards), then a tunneling boring, full depth explosive forming.Because drilling hole amount is more, the drilling constructed first is in length
When the idle, nature such as country rock is loose, crustal stress is big or human factor under, the overwhelming majority drilling got through early stage and sealed by landwaste
It is stifled, but block all leakiness.It is more logical more real using the tamper dredging of hard, even if rotary electric machine dredging can not to upper aperture
Ensure the degree of skewness of drilling, intractability is very big, for this reason, it may be necessary to which design a kind of rational construction appliance has to closure drilling
The dredging of effect.
The content of the invention
It is an object of the present invention to provide drilling dredger, it can at least in part alleviate or eliminate mentioned above
One or more of the problems of the prior art.
Drill dredger, including handle, power set, power transmission pipe, drill bit, it is characterised in that described power set one end
It is connected with power transmission pipe, the power set are connected with handle, and the power transmission pipe is connected with drill bit；
Cable and flexible drive shaft are provided with the power transmission pipe；
By the flexible driving axis connection in rotating rotary drum and power transmission pipe, the drill bit includes upper and lower two and dredged the drill bit
Leading to cutterhead, some cutters tooth are installed on cutterhead face, the drill bit internal is provided with vibrations chamber, and the vibrations intracavitary is provided with vibration rod,
The vibration rod top and the cable connection in power transmission pipe, the vibration rod bottom is connected with vibration hammer；
The drill bit is connected by connector with power transmission pipe bottom, the drill bit include vibrations shell, rotary shaft, eccentric hammer,
Gear, bearing, operator disk, secondary cutterhead, the vibrations shell top are connected with connector, and the vibrations shell passes through bearing and rotary shaft
Connection, the vibrations shell is interior to be provided with 2 gears, sets eccentric hammer on gear, rotary shaft is provided with screw thread, and rotary shaft passes through screw thread
It is connected with gear, the rotary shaft bottom is connected with operator disk；
The power set are motor；
The cutter tooth material is diamond；
Dust guard is provided with the middle part of the power transmission pipe；
Controlling switch is provided with the handle, the dust guard includes air bag, water tank, heater, gas outlet, water inlet
Mouthful, the water tank is connected with power transmission pipe, and the water tank upper is provided with gas outlet and water inlet, and the gas outlet is connected with air bag,
Heater is provided with inside the water tank, the heater is connected by cable with controlling switch, before operation, by water inlet to water
Case adds suitable quantity of water, and controlling switch opens heater, and heater begins to warm up, and heats the water to gaseous state, and vapor is from gas outlet
Into air bag, the drilling of air bag expansion blockage prevents caused by operation that dust influences employee work, the liquid to the cold of the vapor in air bag
Chemical conversion water is back in water tank；
Baroceptor is provided with the gas outlet, the baroceptor is connected with central processing unit, the centre
Reason device is connected with heater；Central processing unit detects the air pressure in air bag by baroceptor prevents the too high destruction gas of air pressure
Capsule；
The drill bit is connected by heat-conducting piece with water tank, and heat caused by drilling work is delivered in water tank by wire to be added
Hot water temperature；Increase the efficiency of energy utilization of device, save the energy；
The heat-conducting piece is red metal wire；
The present invention drilling dredger operating method be：Power set, power transmission pipe and drill bit are assembled first, then
The drilling that the power transmission pipe tempered toughness with gentleness and drill bit insertion are blocked, opening the switch of power set makes bit vibration and rotates,
Meanwhile above carry back and forth and under push away the power transmission pipe and drill bit tempered toughness with gentleness, make drill bit up and down two dredging cutterheads can cut envelope
Stifled landwaste, most drilling dredging is completed at last.
These and other aspects of the invention will be apparent from embodiment described below and will be with reference to following description
Embodiment be illustrated by.
The invention has the characteristics that：
1. it is simple in construction, detachable and be mounted with control handle, it is easy to carry and operates；
2. being connected using flexible jointing-rod with drill bit, and drilling dredging is carried out by the way of vibrating, ensure that and dredged
The degree of skewness to be drilled in journey does not change；
3. drill bit upper and lower ends are provided with dredging cutterhead, more efficiently and rapidly drilling can be dredged；
4. the device is manufactured, cost is relatively low, and the efficiency for dredging drilling is higher, is easy to volume production to popularize.
Brief description of the drawings
Accompanying drawing 1 is present invention drilling dredger structural representation；
Accompanying drawing 2 is present invention drilling dredger drill bit structure schematic diagram；
Accompanying drawing 3 is present invention drilling dredger drill bit structure schematic diagram；
Accompanying drawing 4 is present invention drilling dredger overall structure diagram；
Accompanying drawing 5 is present invention drilling dredger dust guard overlooking the structure diagram；
Accompanying drawing 6 is present invention drilling dredger dust guard side structure schematic diagram；
Embodiment
The exemplary embodiment of the present invention is described in detail below with reference to accompanying drawing.Accompanying drawing be it is schematical, may not according to than
Example draw, and simply to illustrate that embodiments of the invention and be not limiting as protection scope of the present invention.In the accompanying drawings, phase
Same reference represents same or analogous part.In order that technical scheme is clearer, it is well known in the art
Processing step and device architecture omit herein.
Embodiment 1
Drill dredger, including handle 12, power set 11, rotating rotary drum, power transmission pipe 13, drill bit 14, the power
The one end of device 11 is connected with dismountable power transmission pipe 13, and cable 15 and flexible drive shaft, power transmission pipe are provided with the power transmission pipe 13
13 is flexible, and the power set 11 are connected with handle 12, is easy to hand-held operation, and the bottom of power transmission pipe 13 connects with rotating rotary drum
Connect, after opening power set 11, power set 11 drive rotating rotary drum to rotate by power transmission pipe 13, and rotating rotary drum drives drill bit 14
Rotate, the rotating rotary drum and the bolt connection of drill bit 14, the drill bit 14 includes upper and lower two dredging cutterheads 20, and cutterhead is pacified on face
Equipped with some cutters tooth 18, the inside of drill bit 14 is provided with vibrations chamber 19, and vibration rod 16, the vibrations are provided with the vibrations chamber 19
The top of bar 16 is connected with the cable 15 in power transmission pipe 13, and the bottom of vibration rod 16 is connected with vibration hammer 17, and vibration rod 16 passes through
Cable 15 can be stretched after being powered with high-frequency reciprocating, the vertical tremor of vibration hammer 17 be driven, so as to drive drill bit 14 to shake；
The power set 11 are motor；
The material of cutter tooth 18 is diamond；
The present invention drilling dredger operating method be：Power set 11, power transmission pipe 13 and drill bit 14 are assembled first
It is good, then the power transmission pipe 13 tempered toughness with gentleness and drill bit 14 are inserted to the drilling blocked, opening the switch of power set 11 makes brill
First 14 shake and simultaneously rotate, meanwhile, above carry back and forth and under push away the power transmission pipe 13 and drill bit 14 tempered toughness with gentleness, make up and down the two of drill bit 14
Individual dredging cutterhead 20 can cut closure landwaste, and most drilling dredging is completed at last.
The present invention has following technique effect：
1. it is simple in construction, detachable and be mounted with control handle, it is easy to carry and operates；
2. being connected using flexible jointing-rod with drill bit, and drilling dredging is carried out by the way of vibrating, ensure that and dredged
The degree of skewness to be drilled in journey does not change；
3. drill bit upper and lower ends are provided with dredging cutterhead, more efficiently and rapidly drilling can be dredged；
4. the device is manufactured, cost is relatively low, and the efficiency for dredging drilling is higher, is easy to volume production to popularize.
Embodiment 2
Drill dredger, including handle 12, power set 11, rotating rotary drum, power transmission pipe 13, drill bit 14, the power
The one end of device 11 is connected with dismountable power transmission pipe 13, and flexible drive shaft is provided with the power transmission pipe 13；The drill bit 14 passes through
Connector 27 is connected with the bottom of power transmission pipe 13, and the drill bit 14 includes vibrations shell, rotary shaft 21, eccentric hammer 25, gear 24, bearing
26th, operator disk 22, secondary cutterhead 23, the vibrations shell top are connected with connector 27, and the vibrations shell passes through bearing 26 with rotating
Axle 21 is connected, and 2 gears 24 are provided with the vibrations shell, eccentric hammer 25 is set on gear 24, rotary shaft 21 is provided with screw thread, turns
Moving axis 21 is connected by screw thread with gear 24, and the bottom of rotary shaft 21 is connected with operator disk 22；The rotation of disk 22 of operating shakes；
The power set 11 are motor；
Operating method is：The power transmission pipe 13 tempered toughness with gentleness is arranged on by power set 11 according to the depth of simultaneous shaft sin king first
On, and drill bit 14 is installed in bottom；Then the power transmission pipe 13 tempered toughness with gentleness and drill bit 14 are inserted to the drilling blocked, opened dynamic
The switch of power apparatus 11 shake drill bit 14 and drive operator disk 22 rotate, meanwhile, above carry back and forth and under push away the biography tempered toughness with gentleness
Solenoid 13 and drill bit 14, the operator disk 22 of drill bit 14 is cut bottom plug, bear the dynamic top tamper of the chisel of cutterhead 23, most at last
Tamper in drilling is all discharged in the tunnel of bottom, completes the dredging of drilling.
The present invention has following technique effect：
1. it is simple in construction, detachable and be mounted with control handle, it is easy to carry and operates；
2. being connected using flexible jointing-rod with drill bit, and drilling dredging is carried out by the way of vibrating, ensure that and dredged
The degree of skewness to be drilled in journey does not change；
3. drill bit upper and lower ends are provided with dredging cutterhead, more efficiently and rapidly drilling can be dredged；
4. the device is manufactured, cost is relatively low, and the efficiency for dredging drilling is higher, is easy to volume production to popularize.
Embodiment 3
Drill dredger, including handle 12, power set 11, rotating rotary drum, power transmission pipe 13, drill bit 14, the power
The one end of device 11 is connected with dismountable power transmission pipe 13, and cable 15 and flexible drive shaft, power transmission pipe are provided with the power transmission pipe 13
13 is flexible, and the power set 11 are connected with handle 12, is easy to hand-held operation, and the bottom of power transmission pipe 13 connects with rotating rotary drum
Connect, after opening power set 11, power set 11 drive rotating rotary drum to rotate by power transmission pipe 13, and rotating rotary drum drives drill bit 14
Rotate, the rotating rotary drum and the bolt connection of drill bit 14, the drill bit 14 includes upper and lower two dredging cutterheads 20, and cutterhead is pacified on face
Equipped with some cutters tooth 18, the inside of drill bit 14 is provided with vibrations chamber 19, and vibration rod 16, the vibrations are provided with the vibrations chamber 19
The top of bar 16 is connected with the cable 15 in power transmission pipe 13, and the bottom of vibration rod 16 is connected with vibration hammer 17, and vibration rod 16 passes through
Cable 15 can be stretched after being powered with high-frequency reciprocating, the vertical tremor of vibration hammer 17 be driven, so as to drive drill bit 14 to shake；
The power set 11 are motor；
The material of cutter tooth 18 is diamond；
Dust guard 101 is provided with the middle part of the power transmission pipe；Controlling switch, the dust guard 101 are provided with the handle
Including air bag 102, water tank 105, heater 106, gas outlet 103, water inlet 104, the water tank 105 is connected with power transmission pipe, institute
State the top of water tank 105 and be provided with gas outlet 103 and water inlet 104, the gas outlet 103 is connected with air bag 102, the water tank 105
Inside is provided with heater 106, and the heater 106 is connected by cable 15 with controlling switch, before operation, passes through water inlet 104
Suitable quantity of water is added to water tank 105, controlling switch opens heater 106, and heater 106 is begun to warm up, and heats the water to gaseous state, water
Steam enters air bag 102 from gas outlet 103, and the drilling of the expansion blockage of air bag 102 prevents dust caused by operation from influenceing employee work,
When stopping operation, controlling switch closes heater 106, and the vapor in air bag 102 is liquefied as water and is back to water tank 105 to the cold
In, air bag 102 reduces；
Baroceptor 107 is provided with the gas outlet 103, the baroceptor 107 is connected with central processing unit, institute
Central processing unit is stated to be connected with heater 106；Central processing unit detects the air pressure in air bag 102 by baroceptor 107 to be prevented
Only air pressure is too high destroys air bag 102；
The present invention has following technique effect：
1. it is simple in construction, detachable and be mounted with control handle, it is easy to carry and operates；
2. being connected using flexible jointing-rod with drill bit, and drilling dredging is carried out by the way of vibrating, ensure that and dredged
The degree of skewness to be drilled in journey does not change；
3. drill bit upper and lower ends are provided with dredging cutterhead, more efficiently and rapidly drilling can be dredged；
4. the device is manufactured, cost is relatively low, and the efficiency for dredging drilling is higher, is easy to volume production to popularize.
Embodiment 4
Drill dredger, including handle 12, power set 11, rotating rotary drum, power transmission pipe 13, drill bit 14, the power
The one end of device 11 is connected with dismountable power transmission pipe 13, and flexible drive shaft is provided with the power transmission pipe 13；The drill bit 14 passes through
Connector 27 is connected with the bottom of power transmission pipe 13, and the drill bit 14 includes vibrations shell, rotary shaft 21, eccentric hammer 25, gear 24, bearing
26th, operator disk 22, secondary cutterhead 23, the vibrations shell top are connected with connector 27, and the vibrations shell passes through bearing 26 with rotating
Axle 21 is connected, and 2 gears 24 are provided with the vibrations shell, eccentric hammer 25 is set on gear 24, rotary shaft 21 is provided with screw thread, turns
Moving axis 21 is connected by screw thread with gear 24, and the bottom of rotary shaft 21 is connected with operator disk 22；The rotation of disk 22 of operating shakes；
Cable is provided with the power transmission pipe, dust guard 101 is provided with the middle part of the power transmission pipe, control is provided with the handle
Switch, the dust guard 101 include air bag 102, water tank 105, heater 106, gas outlet 103, water inlet 104, the water
Case 105 is connected with power transmission pipe, and the top of water tank 105 is provided with gas outlet 103 and water inlet 104, the gas outlet 103 and air bag
102 connections, the inside of water tank 105 are provided with heater 106, and the heater 106 is connected by cable 15 with controlling switch, is made
Before industry, suitable quantity of water is added to water tank 105 by water inlet 104, controlling switch opens heater 106, and heater 106 starts to add
Heat, gaseous state is heated the water to, vapor enters air bag 102 from gas outlet 103, and the drilling of the expansion blockage of air bag 102 prevents operation from producing
Raw dust influences employee work, and when stopping operation, controlling switch closes heater 106, the liquid to the cold of the vapor in air bag 102
Chemical conversion water is back in water tank 105, and air bag 102 reduces；
Baroceptor 107 is provided with the gas outlet 103, the baroceptor 107 is connected with central processing unit, institute
Central processing unit is stated to be connected with heater 106；Central processing unit detects the air pressure in air bag 102 by baroceptor 107 to be prevented
Only air pressure is too high destroys air bag 102；
The present invention has following technique effect：
1. it is simple in construction, detachable and be mounted with control handle, it is easy to carry and operates；
2. being connected using flexible jointing-rod with drill bit, and drilling dredging is carried out by the way of vibrating, ensure that and dredged
The degree of skewness to be drilled in journey does not change；
3. drill bit upper and lower ends are provided with dredging cutterhead, more efficiently and rapidly drilling can be dredged；
4. the device is manufactured, cost is relatively low, and the efficiency for dredging drilling is higher, is easy to volume production to popularize.
Above content is only to structure example and explanation of the invention, affiliated those skilled in the art
Various modifications or supplement are made to described specific embodiment or is substituted using similar mode, without departing from invention
Structure or surmount scope defined in the claims, protection scope of the present invention all should be belonged to.
Claims (8)
1. drill dredger, it is characterised in that including handle, power set, power transmission pipe, drill bit, described power set one end
It is connected with the power transmission pipe, the other end is connected with the handle, and the power transmission pipe is connected with the drill bit.
2. drilling dredger according to claim 1, it is characterised in that cable and flexible biography are provided with the power transmission pipe
Moving axis.
3. drilling dredger according to claim 2, it is characterised in that be provided with dust guard in the middle part of the power transmission pipe.
4. drilling dredger according to claim 3, it is characterised in that controlling switch is provided with the handle, it is described
Dust guard includes air bag, water tank, heater, gas outlet, water inlet, and the water tank is connected with power transmission pipe, the water tank upper
Provided with gas outlet and water inlet, the gas outlet is connected with air bag, is provided with heater inside the water tank, the heater passes through
Cable is connected with controlling switch.
5. drilling dredger according to claim 4, it is characterised in that baroceptor is provided with the gas outlet,
The baroceptor is connected with central processing unit, and the central processing unit is connected with heater.
6. drilling dredger according to claim 1, it is characterised in that be provided with flexible drive shaft in the power transmission pipe.
7. drilling dredger according to claim 2, it is characterised in that the drill bit passes through rotating rotary drum and the biography
Flexible driving axis connection in solenoid, the drill bit include upper and lower two dredging cutterheads, some cutters tooth, institute are provided with cutterhead face
State drill bit internal and be provided with vibrations chamber, the vibrations intracavitary is provided with vibration rod, the vibration rod top and the electricity in the power transmission pipe
Cable is connected, and the vibration rod bottom is connected with vibration hammer.
8. drilling dredger according to claim 2, it is characterised in that the drill bit passes through connector and the power transmission
Pipe bottom connects, and the drill bit includes vibrations shell, rotary shaft, eccentric hammer, gear, bearing, operator disk, secondary cutterhead, the vibrations
Shell top is connected with connector, and the vibrations shell, with rotating axis connection, 2 gears, tooth is provided with the vibrations shell by bearing
Eccentric hammer is set on wheel, and rotary shaft is provided with screw thread, and rotary shaft is connected by screw thread with gear, the rotary shaft bottom and operator
Disk connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711122099.2A CN107826529B (en) | 2017-11-14 | 2017-11-14 | Drill dredger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711122099.2A CN107826529B (en) | 2017-11-14 | 2017-11-14 | Drill dredger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107826529A true CN107826529A (en) | 2018-03-23 |
| CN107826529B CN107826529B (en) | 2019-02-26 |
Family
ID=61654293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711122099.2A Active CN107826529B (en) | 2017-11-14 | 2017-11-14 | Drill dredger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107826529B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109229991A (en) * | 2018-06-27 | 2019-01-18 | 灵璧县禾源秸秆综合利用有限公司 | A kind of stalk fibre storage warehouse |
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| US5230388A (en) * | 1991-11-08 | 1993-07-27 | Cherrington Corporation | Method and apparatus for cleaning a bore hole using a rotary pump |
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| CN104677215A (en) * | 2015-02-10 | 2015-06-03 | 东北大学 | Device for carrying out dredging treatment on plugged blast hole |
| CN106238421A (en) * | 2016-07-27 | 2016-12-21 | 中国石油大学(华东) | Steam changes automatic unfreezing formula pipeline cleaner |
| CN206218259U (en) * | 2016-09-29 | 2017-06-06 | 深圳深博自动化有限公司 | A kind of powder packing machine blanking device and powder sack filling machine |
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| CN2058867U (en) * | 1989-11-11 | 1990-07-04 | 中国石油天然气总公司管道科学研究院 | Combined worm wheel pipe cleaning device |
| US5230388A (en) * | 1991-11-08 | 1993-07-27 | Cherrington Corporation | Method and apparatus for cleaning a bore hole using a rotary pump |
| CN2189499Y (en) * | 1993-12-31 | 1995-02-15 | 重庆工具五金工业科学研究所 | Hand-held electric pipe-cutting threading dredging machine |
| CN2249307Y (en) * | 1995-01-06 | 1997-03-12 | 吕绍雄 | Boring device with flexible driving mechanism |
| CN2660088Y (en) * | 2003-11-13 | 2004-12-01 | 吴佩生 | Electric hydraulic bend hole drill and expanding bit for drilling bend hole |
| CN1696419A (en) * | 2005-07-07 | 2005-11-16 | 孙孝庆 | Dredging head in vibratin mode and application apparatus |
| CN2809182Y (en) * | 2005-07-28 | 2006-08-23 | 大庆油田装备制造集团 | Vibratory impact type power head |
| CN1995688A (en) * | 2006-01-05 | 2007-07-11 | 孙孝庆 | Oscillatory auger hole and dredging device |
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| JP2010007339A (en) * | 2008-06-26 | 2010-01-14 | Yuzo Sakamoto | Screen washing device available in well |
| CN102654053A (en) * | 2011-03-04 | 2012-09-05 | 刘素华 | Efficient block mining machine |
| CN104677215A (en) * | 2015-02-10 | 2015-06-03 | 东北大学 | Device for carrying out dredging treatment on plugged blast hole |
| CN106238421A (en) * | 2016-07-27 | 2016-12-21 | 中国石油大学(华东) | Steam changes automatic unfreezing formula pipeline cleaner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109229991A (en) * | 2018-06-27 | 2019-01-18 | 灵璧县禾源秸秆综合利用有限公司 | A kind of stalk fibre storage warehouse |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107826529B (en) | 2019-02-26 |
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Denomination of invention: Drilling dredging device Effective date of registration: 20211202 Granted publication date: 20190226 Pledgee: China Construction Bank Corporation Linyi Luozhuang sub branch Pledgor: LINYI MINING GROUP Co.,Ltd. Registration number: Y2021980013812 |
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