CN105316994A - Milling and digging device - Google Patents
Milling and digging device Download PDFInfo
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- CN105316994A CN105316994A CN201510156731.XA CN201510156731A CN105316994A CN 105316994 A CN105316994 A CN 105316994A CN 201510156731 A CN201510156731 A CN 201510156731A CN 105316994 A CN105316994 A CN 105316994A
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- hydraulic motor
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- milling
- overflow valve
- main oil
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- 238000003801 milling Methods 0.000 title claims abstract description 58
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 31
- 238000010276 construction Methods 0.000 description 10
- 239000011435 rock Substances 0.000 description 7
- 239000004567 concrete Substances 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 238000009412 basement excavation Methods 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000011384 asphalt concrete Substances 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- KQTVWCSONPJJPE-UHFFFAOYSA-N etridiazole Chemical compound CCOC1=NC(C(Cl)(Cl)Cl)=NS1 KQTVWCSONPJJPE-UHFFFAOYSA-N 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 239000012208 gear oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
Provided is a milling and digging device. A center cylinder is arranged on the lower portion of a rack. A left hydraulic motor and a right hydraulic motor are arranged in the center cylinder. One end of a main oil inlet pipe is connected with a main oil inlet in the rack, and the other end of the main oil inlet pipe is connected with an oil inlet of the left hydraulic motor. One end of a backpressure oil pipe is connected with an oil outlet of the left hydraulic motor, and the other end of the backpressure oil pipe is connected with an oil inlet of the right hydraulic motor. One end of a main oil return pipe is connected with an oil outlet of the right hydraulic motor, and the other end of the main oil return pipe is connected with a main oil return port in the rack. An oil drainage port of the left hydraulic motor and an oil drainage port of the right hydraulic motor are connected with an oil drainage port in the rack. The inner ends of two shell rotation planet gear reducers symmetrically arranged at the two ends of the center cylinder are in transmission connection with the left hydraulic motor and the right hydraulic motor respectively. Milling and digging cutter discs are arranged at the outer ends of the shell rotation planet gear reducers respectively. First flanges used for fixing the milling and digging cutter discs are arranged on the outer circumferential walls of output shells of the shell rotation planet gear reducers. A connecting mechanism is arranged on the upper portion of the rack. The milling and digging device is high in transmission efficiency, small in size and weight, simple in structure, reliable in operation, low in production cost and easy to maintain, and parts are flexible.
Description
Technical field
The present invention relates to a kind of function accessory utilizing hydraulic construction machine to make carrier and power source, it can efficiency crushing rock, road surface, removes stub, specifically a kind of shield structure device of Expansion of Engineering mechanical function.
Background technology
Milling digging machine of the prior art, its drive unit is a huge discharge low-speed big steel ball hydraulic motor, and transmission device is the parallel axle speed reducing machine be arranged in frame, and output end of reducer is an axis, and axis two ends drive milling to dig drum respectively.This structure to hydraulic motor and reductor performance requirement very high, expensive, be difficult to safeguard and maintenance, and parallel axle speed reducing machine transmission efficiency is lower, and volume weight is large.
Summary of the invention
The object of the present invention is to provide a kind of milling to dig device, its employing two independently power unit drives the milling at two ends to dig cutterhead respectively, and each power unit turns planetary reducer by shell and hydraulic motor is formed, and transmission efficiency is higher, and volume weight is less.
The technical scheme that the present invention deals with problems is: frame lower has central tube; Central tube is built with left hydraulic motor, right hydraulic motor; Frame is provided with main oil-in, main oil return opening, drain tap; Main oil inlet pipe one end is connected with the main oil-in in frame, and the other end is directly or indirectly connected with left hydraulic motor oil-in; Back pressure oil pipe one end is directly or indirectly connected with left hydraulic motor oil-out, and the other end is directly or indirectly connected with right hydraulic motor oil-in; Main oil return pipe one end is directly or indirectly connected with right hydraulic motor oil-out, and the other end is connected with the main oil return opening in frame; The drain tap of left hydraulic motor, the drain tap of right hydraulic motor are direct or indirect to be respectively connected with the drain tap in frame through pipeline; Two shells that symmetry is loaded on central tube two ends turn planetary reducer the inner and are connected with left hydraulic motor, right hydraulic motor transmission respectively; Each shell turns planetary reducer outer end and is set with milling and digs cutterhead; Shell turns planetary reducer output shell outer circle wall and is provided with the flange one digging cutterhead for fixing milling.
Described main oil inlet pipe is fixed on left hydraulic motor through split flange; Main oil return pipe is fixed on right hydraulic motor through split flange; Left hydraulic motor, right hydraulic motor are fixed on through split flange respectively in described back pressure oil pipe two ends.
Also comprise the first overflow valve, the second overflow valve; The oil-in of described left hydraulic motor, oil-out are connected with the oil-in of the first overflow valve, oil-out respectively; The oil-in of described right hydraulic motor, oil-out are connected with the oil-in of the second overflow valve, oil-out respectively; Described main oil inlet pipe one end is connected to the main oil-in in frame, and the other end is connected to the first overflow valve oil-in; Described back pressure oil pipe one end is connected to the first overflow valve oil-out, and the other end is connected to the second overflow valve oil-in; Described main oil return pipe one end is connected to the second overflow valve oil-out, and the other end is connected to the main oil return opening in frame; The drain tap of the first overflow valve, the drain tap of the second overflow valve are direct or indirect to be respectively connected with the drain tap in frame through pipeline.
Described main oil inlet pipe is fixed on the first overflow valve through split flange; Main oil return pipe is fixed on the second overflow valve through split flange; The first overflow valve, the second overflow valve are fixed on through split flange respectively in described back pressure oil pipe two ends.
Described first overflow valve is loaded on left hydraulic motor installed surface; Described second overflow valve is loaded on right hydraulic motor installed surface.
Described two shells turn planetary reducer and are connected with left hydraulic motor, right hydraulic motor through bolt respectively.
Described central tube both ends of the surface are connected with the adpting flange turning planetary reducer for connecting shell; Shell turns planetary reducer entering spindle outer circle wall and is provided with flange two for being connected with adpting flange.
Upper rack is provided with the bindiny mechanism for being connected with hydraulic moving machinery (carrier).
Described milling is dug cutterhead and is comprised and be set in the milling that shell turns planetary reducer outer end and dig drum, be loaded on milling and dig pick on drum of outer side face.
Described pick is loaded on milling through pick box and digs drum.
Wherein, cutterhead is dug in milling can have Multiple Type, can change easily.
Useful effect of the present invention is: owing to adopting two independently power units, in the standardization of products, seriation, and generalization and reduction warehousing pressure aspect have remarkable result.Power unit can disassemble and form independently single head milling and dig device.When one of them power unit damages, by simply regulating hydraulic circuit, another one power unit can work on.Hydraulic system adopts series loop, relative to two power unit mean allocation power of shunt circuit, can operationally make the power of power source all concentrate on one of them power unit, greatly improves energy utilization rate, increases work efficiency.Owing to adopting shell to turn planetary reducer, the transmission efficiency of complete machine is improved, and volume and weight reduce, and power density is high, and supporting capacity is strong, and cost of production reduces, and working service is convenient.Along with the increase of excavator tonnage and power, adopt the present invention of planetary reducer, its volume and the little advantage of weight will be more and more obvious.Two power units can disassemble from frame simultaneously, and equipped simple frame and linkage, form two independently single head moles.Cutterhead is dug in milling can have various ways, can different millings be adopted to dig cutterhead according to different operating modes.Structure of the present invention is simple, parts are flexible, reliable, cost of production is low to moderate 1/5, is easy to safeguard and maintenance, and can work within 30 meters under water, completes the operation that carrier machine can not complete.
At present at constructing tunnel, mining, municipal pipeline excavates, pavement breaking keeps in repair, demolishing buildings, in the construction such as rock frozen soil excavation, generally adopt hydraulic breaking hammer construction, bucket is constructed, development machine tunneling construction and blasting construction method, the present invention is used to construct alternative above-mentioned existing method, to embody efficient, accurately, destructive little, shake little, noise is low, pollute light, the advantage such as energy-saving and cost-reducing, thus make excavator become a powerful concrete steel building to remove machine, asphalt concrete pavement milling machine, channel groove milling pick machine, mine tunneller, tunnel machine, building broken facial contour straightener, rock frozen soil milling machine, the multifunctional special machineries such as tree root Milling Machine.
The present invention can be directly used in the rock stratum of middle soft and the tunnel excavation construction of frozen soil layer, especially in broken rock and loess formation digging process, formation disturbance is low, safety is high, be particularly suitable for unsuitable blast working location, the present invention is simple to operate, controllability is high, outline excavation is accurate, solves in tunnel and owes to dig the problem such as finishing, inner surface raggle.
Widening and digging deeply at channel, the present invention does not need repacking, can be directly used in irrigation canals and ditches excavation under water and clear up with riverbed, and accurately control hierarchy structure, avoid backbreaking.In civicism trench construction, the efficient alternative traditional work such as quartering hammer and pneumatic pick instrument, avoid the destruction to retaining road surface and various pipeline, milling digs down the material come can directly as backfill material.
In highway pavement dismounting, maintenance activity, expensive pavement milling machine can be replaced, complete the construction task on the road surfaces such as milling bituminous concrete and cement concrete, the every obstacle things such as rock, steel concrete, pan soil, frozen soil and the tree root run in construction just effectively can be removed with a playscript with stage directions invention, thus avoid bursting work and the artificial poor efficiency removed, and the material removed can directly utilize.
The present invention milling can dig ground, concrete slab, concrete wall and building top layer etc., realize the dual-use function of hydraulic breaking hammer and hydraulic tongs, especially when building local is accurately removed, the present invention's construction has low noise and low vibration characteristic, can have the applications of low noise, low vibration restriction in ancient building, hospital, commercial area, school etc.
The present invention milling can dig the rock of middle soft, can substitute blast working, be widely used in railway, massif highway, dam etc. build in restriction explosion workshop section.At the open pit quarry of various middle soft, use the present invention effectively can improve mining efficiency, and the ore that milling digs down is in small, broken bits, reduces broken process.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the A-A sectional view of Fig. 2.
Fig. 4 is the B-B sectional view of Fig. 1.
In figure, 1, frame, 2, central tube, 3, left hydraulic motor, 4, right hydraulic motor, 5, shell turns planetary reducer, 6, milling digs drum, 7, flange one, 8, adpting flange, 9, flange two, 10, main oil-in, 11, main oil return opening, 12, the first overflow valve, the 13, second overflow valve, 14, main oil inlet pipe, 15, split flange, 16, main oil return pipe, 17, back pressure oil pipe, 18, bindiny mechanism, 19, drain tap, 20, drain tap, 21, drain tap, 22, pick, 23, pick box.
Detailed description of the invention
In Fig. 1, Fig. 2, Fig. 3, central tube 2 is arranged at frame 1 bottom; Central tube 2 is built with left hydraulic motor 3, right hydraulic motor 4; First overflow valve 12 is loaded on left hydraulic motor 3 installed surface; Second overflow valve 13 is loaded on right hydraulic motor 4 installed surface.The oil-in of left hydraulic motor 3, oil-out are connected with the oil-in of the first overflow valve 12, oil-out respectively; The oil-in of right hydraulic motor 4, oil-out are connected with the oil-in of the second overflow valve 13, oil-out respectively; Frame 1 is provided with main oil-in 10, main oil return opening 11, drain tap 19; Main oil inlet pipe 14 one end is connected to the main oil-in 10 in frame 1, and the other end is connected to the first overflow valve 12 oil-in; Back pressure oil pipe 17 one end is connected to the first overflow valve 12 oil-out, and the other end is connected to the second overflow valve 13 oil-in; Main oil return pipe 16 one end is connected to the second overflow valve 13 oil-out, and the other end is connected to the main oil return opening 11 in frame 1; The drain tap of the drain tap 20 of left hydraulic motor 3, drain tap 21, first overflow valve 12 of right hydraulic motor 4, the drain tap of the second overflow valve 13 is direct or indirect is respectively connected with the drain tap 19 in frame 1; Two shells that symmetry is loaded on central tube two ends turn planetary reducer 5 the inner and are in transmission connection with left hydraulic motor 3, right hydraulic motor 4 respectively; Each shell turns planetary reducer 5 outer end and is set with milling and digs drum 6; Milling is dug drum 6 outer circumference surface and is provided with pick box 23, and pick 22 is loaded on pick box 23.Shell turns planetary reducer 5 and exports shell outer circle wall and be provided with the flange 1 digging drum 6 for fixing milling; Central tube 2 both ends of the surface are connected with the adpting flange 8 turning planetary reducer 5 for connecting shell; Shell turns planetary reducer 5 entering spindle outer circle wall and is provided with flange 29 for being connected with adpting flange 8; Frame 1 top is provided with the bindiny mechanism 18 for being connected with hydraulic moving machinery (carrier).
In Fig. 4, main oil inlet pipe 14 is fixed on the first overflow valve 12 through split flange 15; Main oil return pipe 16 is fixed on the second overflow valve 13 through split flange 15; The first overflow valve 12, second overflow valve 13 is fixed on through split flange 15 respectively in back pressure oil pipe 17 two ends.
When the present invention assembles, first assemble left milling and dig power unit, pick box 23 is welded in milling and digs on drum 6; Pick 22 is arranged on pick box 23; Shell is turned planetary reducer 5 outer shell flanch 1 to be arranged on milling and to dig on drum 6; Adpting flange 8 being installed on shell turns on planetary reducer 5 main shaft flange 29, and during installation, adpting flange 8 locating slot is aimed at shell and turned planetary reducer 5 and breathe plug.Gear oil is injected in planetary reducer 5; Hydraulic motor being installed on shell turns on planetary reducer; Drain mast one end is connected on hydraulic motor drain tap; Pre-fix overflow valve on hydraulic motor by split flange and bolt, the spool of overflow valve is consistent with the output shaft direction of hydraulic motor; Threeway centre position joint is loaded on overflow valve overfall place; The drain mast other end is connected on the hydraulic fluid port of threeway lower end; Be installed on by adpting flange 8 on frame central cylinder side, frame central tube opening part aimed at by hydraulic motor.Right milling is dug power unit and is processed equally.Then two overflow valves are installed on two hydraulic motors respectively; With split flange, oil pipe and overflow valve are fixed on hydraulic motor; Respectively end joint in two threeways and frame drain tap are communicated with drain mast.
During use, bindiny mechanism of the present invention is installed on oilhydraulic engineering vehicle (carrier), connects main oil inlet and oil return pipe and drain mast, start the present invention from (carrier) oilhydraulic engineering vehicle, the present invention and in running order.
After connecting hydraulic circuit, hydraulic oil is provided to pass through to enter the first overflow valve oil-in into main hydraulic fluid port by the hydraulic pump of oilhydraulic engineering vehicle (carrier), the pressure oscillation higher than setting value is filtered out by the first overflow valve, hydraulic oil enters left hydraulic motor oil-in, drive left hydraulic motor, left fluid motor-driven shell turns planetary reducer, drives milling to dig cutterhead; Hydraulic oil is by entering back pressure oil pipe by oil-out after left hydraulic motor, filter out the pressure oscillation higher than setting value through the second overflow valve, hydraulic oil enters right hydraulic motor oil-in, drives right hydraulic motor, right fluid motor-driven shell turns planetary reducer, drives milling to dig cutterhead.
Dig cutterhead when left milling and run into larger resistance, left hydraulic motor pressure reduction raises, and power hydraulic motor of turning left is concentrated.
Dig cutterhead when right milling and run into larger resistance, right hydraulic motor pressure reduction raises, and power hydraulic motor of turning right is concentrated.
Owing to adopting series loop, always identical by the hydraulic fluid flow rate of two hydraulic motors, therefore two hydraulic motors remain synchronous rotary.
In actual applications, two cutterheads always one stressed large one stressed little, therefore adopt that hydraulic pressure access way provided by the present invention is more effective make use of energy, more realistic operating mode needs, and is unlikely to produce power waste.
Claims (10)
1. a device is dug in milling, it is characterized in that: central tube (2) is arranged at frame (1) bottom; Central tube (2) is built with left hydraulic motor (3), right hydraulic motor (4);
Frame (1) is provided with main oil-in (10), main oil return opening (11), drain tap (19);
Main oil inlet pipe (14) one end is connected with the main oil-in (10) in frame (1), and the other end is directly or indirectly connected with left hydraulic motor (3) oil-in;
Back pressure oil pipe (17) one end is directly or indirectly connected with left hydraulic motor (3) oil-out, and the other end is directly or indirectly connected with right hydraulic motor (4) oil-in;
Main oil return pipe (16) one end is directly or indirectly connected with right hydraulic motor (4) oil-out, and the other end is connected with the main oil return opening (11) in frame (1);
The drain tap of the drain tap of left hydraulic motor (3), right hydraulic motor (4) is direct or indirect to be respectively connected with the drain tap (19) in frame (1) through pipeline;
Two shells that symmetry is loaded on central tube (2) two ends turn planetary reducer (5) the inner and are in transmission connection with left hydraulic motor (3), right hydraulic motor (4) respectively; Each shell turns planetary reducer (5) outer end and is set with milling and digs cutterhead; Shell turns planetary reducer (5) output shell outer circle wall and is provided with the flange one (7) digging cutterhead for fixing milling.
2. device is dug in milling according to claim 1, it is characterized in that: described main oil inlet pipe (14) is fixed on left hydraulic motor (3) through split flange (15); Main oil return pipe (16) is fixed on right hydraulic motor (4) through split flange (15); Left hydraulic motor (3), right hydraulic motor (4) are fixed on through split flange (15) respectively in described back pressure oil pipe (17) two ends.
3. device is dug in milling according to claim 1, it is characterized in that: also comprise the first overflow valve (12), the second overflow valve (13);
The oil-in of described left hydraulic motor (3), oil-out are connected with the oil-in of the first overflow valve (12), oil-out respectively;
The oil-in of described right hydraulic motor (4), oil-out are connected with the oil-in of the second overflow valve (13), oil-out respectively;
Described main oil inlet pipe (14) one end is connected to the main oil-in (10) in frame (1), and the other end is connected to the first overflow valve (12) oil-in;
Described back pressure oil pipe (17) one end is connected to the first overflow valve (12) oil-out, and the other end is connected to the second overflow valve (13) oil-in;
Described main oil return pipe (16) one end is connected to the second overflow valve (13) oil-out, and the other end is connected to the main oil return opening (11) in frame (1);
The drain tap of the first overflow valve (12), the drain tap of the second overflow valve (13) are direct or indirect to be respectively connected with the drain tap (19) in frame (1) through pipeline.
4. device is dug in milling according to claim 3, it is characterized in that: described main oil inlet pipe (14) is fixed on the first overflow valve (12) through split flange (15); Main oil return pipe (16) is fixed on the second overflow valve (13) through split flange (15); The first overflow valve (12), the second overflow valve (13) are fixed on through split flange (15) respectively in described back pressure oil pipe (17) two ends.
5. device is dug in milling according to claim 3, it is characterized in that: described first overflow valve (12) is loaded on left hydraulic motor (3) installed surface; Described second overflow valve (13) is loaded on right hydraulic motor (4) installed surface.
6. device is dug in milling according to claim 1, it is characterized in that: described two shells turn planetary reducer (5) and are connected with left hydraulic motor (3), right hydraulic motor (4) through bolt respectively.
7. device is dug in milling according to claim 1, it is characterized in that: described central tube (2) both ends of the surface are connected with the adpting flange (8) turning planetary reducer (5) for connecting shell; Shell turns planetary reducer (5) entering spindle outer circle wall and is provided with flange two (9) for being connected with adpting flange (8).
8. device is dug in milling according to claim 1, it is characterized in that: described frame (1) top is provided with the bindiny mechanism (18) for being mechanically connected with hydraulic moving.
9. device is dug in the milling according to claim 1,2,3,4,5,6,7 or 8, it is characterized in that: described milling is dug cutterhead and comprised and be set in the milling that shell turns planetary reducer (5) outer end and dig drum (6), be loaded on milling and dig pick (22) on drum (6) outer circumference surface.
10. device is dug in milling according to claim 9, it is characterized in that: described pick (22) is loaded on milling through pick box (23) and digs drum (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510156731.XA CN105316994B (en) | 2015-04-03 | 2015-04-03 | Device is dug in a kind of milling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510156731.XA CN105316994B (en) | 2015-04-03 | 2015-04-03 | Device is dug in a kind of milling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105316994A true CN105316994A (en) | 2016-02-10 |
| CN105316994B CN105316994B (en) | 2017-07-28 |
Family
ID=55245239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510156731.XA Expired - Fee Related CN105316994B (en) | 2015-04-03 | 2015-04-03 | Device is dug in a kind of milling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105316994B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864388A (en) * | 2016-06-06 | 2016-08-17 | 四川省机械研究设计院 | Milling wheel drive system of double-wheel slot milling machine for underground continuous wall construction |
| CN106907430A (en) * | 2017-04-19 | 2017-06-30 | 江苏金长城减速机有限公司 | Machine speed reduction gearing is dug in a kind of milling |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004190387A (en) * | 2002-12-12 | 2004-07-08 | Mitsui Miike Mach Co Ltd | Twin header |
| CN2710953Y (en) * | 2004-05-17 | 2005-07-20 | 厦工集团三明重型机器有限公司 | Gearing mechanism of compacting machinery |
| CN201047364Y (en) * | 2007-05-28 | 2008-04-16 | 现代农装北方(北京)农业机械有限公司 | Tandem type multiple motor hydraulic circuit system |
| CN102277886A (en) * | 2011-05-11 | 2011-12-14 | 中国矿业大学 | Tunnelling and excavating integrated machine cutting head |
| CN202610866U (en) * | 2012-04-28 | 2012-12-19 | 安徽惊天液压智控股份有限公司 | Hydraulic transverse shaft milling head |
| CN202964899U (en) * | 2012-12-22 | 2013-06-05 | 长安大学 | Hydraulic-pressure synchronous double-horizontal-shaft concrete mixer transmission device |
| EP2647769A1 (en) * | 2012-04-05 | 2013-10-09 | Witeck | Milling head for use on a work machine |
| CN204530407U (en) * | 2015-04-03 | 2015-08-05 | 汪泓 | Device is dug in a kind of milling |
-
2015
- 2015-04-03 CN CN201510156731.XA patent/CN105316994B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004190387A (en) * | 2002-12-12 | 2004-07-08 | Mitsui Miike Mach Co Ltd | Twin header |
| CN2710953Y (en) * | 2004-05-17 | 2005-07-20 | 厦工集团三明重型机器有限公司 | Gearing mechanism of compacting machinery |
| CN201047364Y (en) * | 2007-05-28 | 2008-04-16 | 现代农装北方(北京)农业机械有限公司 | Tandem type multiple motor hydraulic circuit system |
| CN102277886A (en) * | 2011-05-11 | 2011-12-14 | 中国矿业大学 | Tunnelling and excavating integrated machine cutting head |
| EP2647769A1 (en) * | 2012-04-05 | 2013-10-09 | Witeck | Milling head for use on a work machine |
| CN202610866U (en) * | 2012-04-28 | 2012-12-19 | 安徽惊天液压智控股份有限公司 | Hydraulic transverse shaft milling head |
| CN202964899U (en) * | 2012-12-22 | 2013-06-05 | 长安大学 | Hydraulic-pressure synchronous double-horizontal-shaft concrete mixer transmission device |
| CN204530407U (en) * | 2015-04-03 | 2015-08-05 | 汪泓 | Device is dug in a kind of milling |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864388A (en) * | 2016-06-06 | 2016-08-17 | 四川省机械研究设计院 | Milling wheel drive system of double-wheel slot milling machine for underground continuous wall construction |
| CN105864388B (en) * | 2016-06-06 | 2018-02-16 | 四川省机械研究设计院 | The milling wheel transmission system of construction of diaphragm wall two-wheel flute milling machine |
| CN106907430A (en) * | 2017-04-19 | 2017-06-30 | 江苏金长城减速机有限公司 | Machine speed reduction gearing is dug in a kind of milling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105316994B (en) | 2017-07-28 |
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