CN203730467U - Bucket wheel mechanism and material taking machine - Google Patents
Bucket wheel mechanism and material taking machine Download PDFInfo
- Publication number
- CN203730467U CN203730467U CN201420098262.1U CN201420098262U CN203730467U CN 203730467 U CN203730467 U CN 203730467U CN 201420098262 U CN201420098262 U CN 201420098262U CN 203730467 U CN203730467 U CN 203730467U
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- Prior art keywords
- hydraulic
- bucket
- wheel mechanism
- oil
- hydraulic oil
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- 230000007246 mechanism Effects 0.000 title claims abstract description 47
- 239000000463 material Substances 0.000 title claims abstract description 37
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 75
- 238000001816 cooling Methods 0.000 claims abstract description 51
- 239000003921 oil Substances 0.000 claims abstract description 47
- 239000000110 cooling liquid Substances 0.000 claims description 45
- 238000001514 detection method Methods 0.000 claims description 12
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 5
- 238000005213 imbibition Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000001914 filtration Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 239000002828 fuel tank Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000010705 motor oil Substances 0.000 description 2
- 239000010729 system oil Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
Abstract
The utility model discloses a bucket wheel mechanism and a material taking machine. The bucket wheel mechanism (10) comprises a bucket wheel driving hydraulic system and a cooling hydraulic loop, the bucket wheel driving hydraulic system comprises a hydraulic oil tank (1), an oil suction port (11) and an oil return port (12) are arranged on the hydraulic oil tank, the cooling hydraulic loop is arranged between the oil suction port and the oil return port, a cooling device (5), a cooling hydraulic pump (3) and a driving motor (4) are arranged in the cooling hydraulic loop, and a cooling hydraulic pump pipeline is connected to the oil suction port to pump hydraulic oil from the hydraulic oil tank and enable the hydraulic oil to return to the hydraulic oil tank after being cooled by the cooling device in the cooling hydraulic loop. By arranging the cooling hydraulic loop, cooling of the hydraulic oil in the hydraulic oil tank is improved, so that high-oil-temperature faults caused by the fact that temperature increase of the hydraulic oil tank in the bucket wheel driving hydraulic system is too fast can be avoided, and maintenance cost of the system can be reduced.
Description
Technical field
The utility model relates to a kind of material taking machine, especially the bucket-wheel mechanism of material taking machine and have the material taking machine of this bucket-wheel mechanism.
Background technique
As shown in Figure 1, commonly generally formed by several major parts such as traveller 7, swirl gear 8, beam mechanism 9 and bucket-wheel mechanisms 10 for the 3000T/h of harbour handling material or the material taking machine of 6000T/h.Wherein, the bucket wheel of bucket-wheel mechanism is driven by bucket wheel drive hydraulic system principle, structurally generally comprise bucket wheel bucket, bucket wheel transmission shaft, bucket wheel gearbox, bucket wheel oil hydraulic motor, bucket wheel oil pipe, bucket wheel hydraulic station, bucket wheel drive motor, bucket wheel oil hydraulic pump etc., its specific works process is: drive motor drives oil hydraulic motor to rotate by oil hydraulic pump, oil hydraulic motor drives the uniform rotation of bucket wheel bucket by bucket wheel gearbox and transmission shaft, thereby realizes material taking machine material extracting operation.
Bucket wheel drive hydraulic system principle is generally closed system, is made up of two three throw plunger pumps and an oil hydraulic motor.The primary pump of three throw plunger pump is main pump, is mainly bucket wheel rotation power is provided, and two stage pump provides oil sources to primary pump, and triplex mainly provides oil circuit control pressure and cooling system pressure.Primary pump output high pressure oil drives oil hydraulic motor, and a motor oil return part is directly got back to primary pump inlet port, and a part, through the relief valve cooling fan heat radiation of flowing through, is then back to fuel tank.A part for triplex drives cooling system oil hydraulic motor, drives cooling fan to reduce oil temperature, the clockwise and anticlockwise of another part control primary pump, thus realize bucket wheel clockwise and anticlockwise.Because this bucket wheel drive hydraulic system principle is closed system, the heat producing in whole hydraulic work system process all leans on the cooling heat dissipation after cooling fan of flowing through of the part in motor oil return, this radiating effect is limited, at torridity summer, the heat that the radiation system of material taking machine bucket wheel sheds is less than the heat that in bucket wheel rotation process, system produces, cause the temperature rise of bucket wheel Hydraulic System Oil, there is high oil temperature fault, and oil temperature raises and also accelerates oil and worsen and reduce hydraulic oil working life, thereby have a strong impact on the on-the-spot normal operation efficiency of material taking machine, and increase the potential safety hazard of equipment.
Model utility content
The purpose of this utility model is to provide a kind of bucket-wheel mechanism, and has the material taking machine of this bucket-wheel mechanism, and the radiating efficiency of the hydraulic system of this bucket-wheel mechanism is higher, stable equipment operation.
For achieving the above object, the utility model provides a kind of bucket-wheel mechanism, this bucket-wheel mechanism comprises bucket wheel drive hydraulic system principle, this bucket wheel drive hydraulic system principle comprises hydraulic oil container, described hydraulic oil container is provided with inlet port and return opening, described bucket-wheel mechanism also comprises the cooling liquid hydraulic circuit being arranged between described inlet port and return opening, in this cooling liquid hydraulic circuit, be provided with cooling unit, cooling liquid press pump and for driving the drive motor of described cooling liquid press pump, described cooling liquid press pump pipeline is connected to described inlet port, with pump imbibition force feed from described hydraulic oil container and after making hydraulic oil cooling by described cooling unit in described cooling liquid hydraulic circuit from described return opening oil return to described hydraulic oil container.
Preferably, described cooling liquid hydraulic circuit is independent of the setting of described bucket wheel drive hydraulic system principle.
Preferably, in described cooling liquid hydraulic circuit, be also provided with hydraulic oil filter.
Preferably, described hydraulic oil filter comprises oil absorption filter and return filter, described oil absorption filter is arranged on the oil suction line between described cooling liquid press pump and described inlet port, and described return filter is arranged on the oil return circuit between described cooling unit and described return opening.
Preferably, in described cooling liquid hydraulic circuit, be also provided with one-way valve, this one-way valve is arranged on the oil return circuit between described cooling unit and described return opening.
Preferably, described cooling unit is cooling fan or radiating fin.
Preferably, described inlet port and return opening are arranged on the top of described hydraulic oil container, and described hydraulic oil container and described cooling liquid press pump and cooling unit interval arrange.
Preferably, this bucket-wheel mechanism also comprises controller and the temperature detection element for detection of the hydraulic fluid temperature in described hydraulic oil container, and described controller is configured to control the startup of described drive motor and stop according to the temperature detection signal of described temperature detection element.
On above basis, the utility model also provides a kind of material taking machine, and this material taking machine comprises the bucket-wheel mechanism above-mentioned according to the utility model.
Pass through technique scheme, according in bucket-wheel mechanism of the present utility model, by cooling liquid hydraulic circuit is set, increase is cooling to the hydraulic oil in hydraulic oil container, can avoid hydraulic oil in bucket wheel drive hydraulic system principle to heat up in hydraulic oil container too fast too high and the high oil temperature fault that causes reduces system maintenance cost.
Other feature and advantage of the present utility model are described in detail the embodiment part subsequently.
Brief description of the drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and forms a part for specification, is used from explanation the utility model, but does not form restriction of the present utility model with embodiment one below.In the accompanying drawings:
Fig. 1 is the structural representation of the common material taking machine with bucket-wheel mechanism; With
Fig. 2 is according to the hydraulic schematic diagram of the cooling liquid hydraulic circuit in the bucket-wheel mechanism of a kind of preferred implementation of the present utility model.
description of reference numerals
1 hydraulic oil container 2 oil absorption filters
3 cooling liquid press pump 4 drive motor
5 cooling unit 6 return filters
7 traveller 8 swirl gears
9 beam mechanism 10 bucket-wheel mechanisms
11 inlet port 12 return openings
13 one-way valves
Embodiment
Below, describe in detail with reference to the accompanying drawings according to mode of execution of the present utility model.Should be understood that, embodiment described herein only, for description and interpretation the utility model, is not limited to the utility model.
In the utility model, in the situation that not doing contrary explanation, the noun of locality of use as " upper and lower, top, the end " normally for direction shown in the drawings or for the each parts mutual alignment relationship description word vertically, on vertical or gravitational direction.
As previously mentioned, for solve material taking machine under high temperature or rugged environment when operation the heat radiation of bucket wheel drive hydraulic system principle cause slowly heat accumulation, cannot long-time running, and directly have influence on the problem of the utilization efficiency of equipment, the utility model provides a kind of bucket-wheel mechanism, this bucket-wheel mechanism 10 comprises bucket wheel drive hydraulic system principle, and this bucket wheel drive hydraulic system principle comprises hydraulic oil container 1.Wherein, as shown in Figure 2, hydraulic oil container 1 is provided with inlet port 11 and return opening 12, bucket-wheel mechanism 10 comprises the cooling liquid hydraulic circuit being arranged between inlet port 11 and return opening 12, in this cooling liquid hydraulic circuit, be provided with cooling unit 5, cooling liquid press pump 3 and drive motor 4 thereof, cooling liquid press pump 3 pipelines are connected to inlet port 11, with pump imbibition force feed from hydraulic oil container 1 and after making hydraulic oil cooling by cooling unit 5 in cooling liquid hydraulic circuit from return opening 12 oil returns to hydraulic oil container 1.In the utility model, under the situation of volume that does not increase hydraulic oil container 1, (volume of the hydraulic oil container 1 of bucket-wheel mechanism is larger at present, increase again the restriction that volume is subject to other hydraulic element and installing space), for bucket wheel drive hydraulic system principle installs a set of independently hydraulic cooling system additional, be connected to the cooling liquid hydraulic circuit on hydraulic oil container.Its Main Function is accelerate the running of hydraulic power oil in hydraulic oil container 1 and make it the such as radiating fin at cooling unit 5() in carry out effective cooling, reduce the temperature of hydraulic oil container 1 the inside hydraulic oil, thereby reach the object of the integrated hydraulic oil temperature that reduces bucket wheel drive hydraulic system principle.
In prior art, hydraulic system being dispelled the heat or filtration etc., is all in the oil hydraulic circuit of hydraulic system, to set up heat dissipation element or filter element conventionally, in hydraulic system operation, completes heat radiation or the filtration to hydraulic oil.But in the utility model, consider the topology layout complexity in bucket-wheel mechanism, can installing space little, thereby to existing bucket wheel drive hydraulic system principle improve and the difficulty of optimizing distribution quite large.For this reason, cooling liquid hydraulic circuit in the utility model is preferably and is independent of the setting of bucket wheel drive hydraulic system principle, as shown in Figure 2, only cooling liquid hydraulic circuit is connected in the hydraulic oil container 1 of bucket wheel drive hydraulic system principle, thus in not affecting the operation of bucket wheel drive hydraulic system principle to the hydraulic oil processing of dispelling the heat, lower the temperature.
Wherein, cooling unit 5 may be selected to be cooling fan or radiating fin etc., makes to be dispelled the heat as much as possible by hydraulic oil wherein.Inlet port 11 and return opening 12 are preferably arranged on the top of hydraulic oil container 1, not affect the existing layout of hydraulic oil container 1, hydraulic oil container 1 arranges with cooling liquid press pump 3 and cooling unit 5 intervals, cooling liquid press pump 3 and cooling unit 5 should be arranged on the position away from hydraulic oil container 1 in practice, so that the mounting arrangement of bucket-wheel mechanism avoids producing any constructive interference etc.
In addition, carry out cooling in, in this cooling liquid hydraulic circuit, be also provided with hydraulic oil filter, so that hydraulic oil is carried out to synchronous filtering processing, improve oil and working life of hydraulic oil.As shown in Figure 2, hydraulic oil filter preferably includes oil absorption filter 2 and return filter 6, oil absorption filter 2 is arranged on the oil suction line between cooling liquid press pump 3 and inlet port 11, and return filter 6 is arranged on the oil return circuit between cooling unit 5 and return opening 12.Oil absorption filter 2 can carry out coarse filtration, and return filter 6 can carry out the fine filtering that filtration grade is higher.By two filters, the hydraulic oil of the cooling liquid hydraulic circuit of flowing through is carried out to good filtration treatment, removal impurity wherein etc.And, in cooling liquid hydraulic circuit, also can be provided with one-way valve 13, this one-way valve 13 is arranged on the oil return circuit between cooling unit 5 and return opening 12, to prevent fluid suck-back.
In addition, consider the automation mechanized operation of system cools operation, bucket-wheel mechanism of the present utility model also comprises controller and the temperature detection element (not shown) for detection of the hydraulic fluid temperature in hydraulic oil container 1, and controller is configured to control and start or stop drive motor 4 according to the temperature detection signal of this temperature detection element.In the time of operation, can and install relay etc. additional by rewiring and control this cooling liquid hydraulic circuit, as long as the temperature in hydraulic oil container 1 for example reaches more than 40 DEG C, drive motor 4 starts automatically, this cooling liquid hydraulic circuit work, thus the hydraulic fluid temperature in hydraulic oil container 1 reduced.
As fully visible, the structural principle of bucket-wheel mechanism of the present utility model is simple, processing and fabricating cost is low, can meet the demand of bucket wheel hydraulic system heat radiation in material taking machine operation process in summer.Installation and the operation of this cooling liquid hydraulic circuit will be set forth below.
Reequip operation on the basis of existing bucket-wheel mechanism time, owing to having newly increased a set of independent cooling system, thereby should shift to an earlier date at the scene the mounting point etc. of line arrangement, cooling liquid press pump 3 and the cooling unit 5 of determining this independent cooling system.Be ready at the scene, after each hydraulic element, can carry the dead time of applying for material taking machine the previous day, generally need general 2 day time.Then contact material taking machine operation driver and large machine is reached to anchorage point, the well large machine of anchoring.Hydraulic oil in hydraulic oil container 1 in emptying bucket-wheel mechanism again, offers two diameters at the top of hydraulic oil container 1 and is approximately the circular hole of 25mm, i.e. inlet port 11 and return opening 12.And cooling liquid press pump 3 and cooling unit 5 are installed and fixed in position away from trying one's best from hydraulic oil container 1.After each hydraulic element are in place, reasonable Arrangement connected pipes, and fix successively each oil pipe, and connect joint, the wiring of contact maintenance electrician hydraulic pump motor, and carefully connect the wire.Finally, contact material taking machine operation driver carries out test run, observes the working condition of bucket wheel drive hydraulic system principle and cooling liquid hydraulic circuit.
On the basis of the above, the utility model is also corresponding provides a kind of material taking machine, and this material taking machine comprises the bucket-wheel mechanism 10 above-mentioned according to the utility model.This material taking machine is owing to being provided with above-mentioned bucket-wheel mechanism 10, thereby can make the hydraulic oil in hydraulic oil container 1 obtain radiating treatment timely, improve hydraulic oil quality, make bucket wheel drive hydraulic system principle under high temperature and rugged environment, also can keep the operation of continous-stable.Avoid the high fault of various oil temperatures of bringing because of hydraulic oil high temperature, greatly reduced maintenance cost.Before transformation not, 3000T/h material taking machine or 1 year nearly 60 high fault of oil temperature of 6000T/H material taking machine, each fault need to be shut down and be lowered the temperature for 1 hour, and within 2 to 3 years, changes one time hydraulic oil completely.Through above-mentioned improvement, use after bucket-wheel mechanism of the present utility model, by emulation and test, the high fault of material taking machine oil temperature can expectedly be eliminated substantially, and hydraulic oil can extend to average 5-6 and change once.After transformation, press 3000T/H material taking machine mean flowrate 1600T/H, 6000T/H material taking machine mean flowrate 3000T/H calculates, the 3000T/H material taking machine 1600*1*60=96000T that can coaling more, the 6000T/H material taking machine 3000*1*60=180000T that can coaling more, calculate 96000*20=1920000 unit, 180000*20=3600000 unit by 20 yuan of profits of coal per ton.Hydraulic oil once changes 5-6 into by original 2-3 replacing and changes once, and centre has been reduced by a hydraulic oil and changed.3000T/H material taking machine bucket wheel fuel tank is 1000L, and expense is 1000*19.85=19850 unit, and 6000T/H material taking machine bucket wheel fuel tank is 1500L, and expense is 1500*19.85=29775 unit.To sum up can obtain, a 3000T/H material taking machine can cost saving be ten thousand yuan of 1920000+19850=193.985 every year.A 6000T/H material taking machine can cost saving be ten thousand yuan of 3600000+29775=392.9775 every year.Therefore, the economic benefit of bringing is considerable, has greatly reduced cost of equipment maintenance.
Below describe by reference to the accompanying drawings preferred implementation of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned mode of execution; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characteristics described in above-mentioned embodiment, in reconcilable situation, can combine by any suitable mode, for fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible compound modes.
In addition, also can carry out combination in any between various mode of execution of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (9)
1. a bucket-wheel mechanism, this bucket-wheel mechanism (10) comprises bucket wheel drive hydraulic system principle, this bucket wheel drive hydraulic system principle comprises hydraulic oil container (1), it is characterized in that, described hydraulic oil container (1) is provided with inlet port (11) and return opening (12), described bucket-wheel mechanism (10) also comprises the cooling liquid hydraulic circuit being arranged between described inlet port (11) and return opening (12), in this cooling liquid hydraulic circuit, be provided with cooling unit (5), cooling liquid press pump (3) and for driving the drive motor (4) of described cooling liquid press pump (3), described cooling liquid press pump (3) pipeline is connected to described inlet port (11), with pump imbibition force feed from described hydraulic oil container (1) and after making hydraulic oil cooling by described cooling unit (5) in described cooling liquid hydraulic circuit from described return opening (12) oil return to described hydraulic oil container (1).
2. bucket-wheel mechanism according to claim 1, is characterized in that, described cooling liquid hydraulic circuit is independent of the setting of described bucket wheel drive hydraulic system principle.
3. bucket-wheel mechanism according to claim 1, is characterized in that, in described cooling liquid hydraulic circuit, is also provided with hydraulic oil filter.
4. bucket-wheel mechanism according to claim 3, it is characterized in that, described hydraulic oil filter comprises oil absorption filter (2) and return filter (6), described oil absorption filter (2) is arranged on the oil suction line between described cooling liquid press pump (3) and described inlet port (11), and described return filter (6) is arranged on the oil return circuit between described cooling unit (5) and described return opening (12).
5. bucket-wheel mechanism according to claim 4, is characterized in that, is also provided with one-way valve (13) in described cooling liquid hydraulic circuit, and this one-way valve (13) is arranged on the oil return circuit between described cooling unit (5) and described return opening (12).
6. bucket-wheel mechanism according to claim 1, is characterized in that, described cooling unit (5) is cooling fan or radiating fin.
7. bucket-wheel mechanism according to claim 1, it is characterized in that, described inlet port (11) and return opening (12) are arranged on the top of described hydraulic oil container (1), and described hydraulic oil container (1) arranges with described cooling liquid press pump (3) and cooling unit (5) interval.
8. bucket-wheel mechanism according to claim 1, it is characterized in that, this bucket-wheel mechanism also comprises controller and the temperature detection element for detection of the hydraulic fluid temperature in described hydraulic oil container (1), and described controller is configured to control the startup of described drive motor (4) and stop according to the temperature detection signal of described temperature detection element.
9. a material taking machine, is characterized in that, this material taking machine comprises according to the bucket-wheel mechanism (10) described in any one in the claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420098262.1U CN203730467U (en) | 2014-03-05 | 2014-03-05 | Bucket wheel mechanism and material taking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420098262.1U CN203730467U (en) | 2014-03-05 | 2014-03-05 | Bucket wheel mechanism and material taking machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203730467U true CN203730467U (en) | 2014-07-23 |
Family
ID=51200545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420098262.1U Expired - Lifetime CN203730467U (en) | 2014-03-05 | 2014-03-05 | Bucket wheel mechanism and material taking machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203730467U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179755A (en) * | 2014-09-15 | 2014-12-03 | 江苏政田重工股份有限公司 | Filter system of closed system oil tank |
| CN105485093A (en) * | 2016-01-20 | 2016-04-13 | 深圳领威科技有限公司 | Die-casting machine hydraulic oil circulating filtering and cooling device and method |
-
2014
- 2014-03-05 CN CN201420098262.1U patent/CN203730467U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179755A (en) * | 2014-09-15 | 2014-12-03 | 江苏政田重工股份有限公司 | Filter system of closed system oil tank |
| CN105485093A (en) * | 2016-01-20 | 2016-04-13 | 深圳领威科技有限公司 | Die-casting machine hydraulic oil circulating filtering and cooling device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |
|
| CX01 | Expiry of patent term |