CN104594907A - Continuous walking type transport loader of open pit coal mine - Google Patents
Continuous walking type transport loader of open pit coal mine Download PDFInfo
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- CN104594907A CN104594907A CN201410824374.5A CN201410824374A CN104594907A CN 104594907 A CN104594907 A CN 104594907A CN 201410824374 A CN201410824374 A CN 201410824374A CN 104594907 A CN104594907 A CN 104594907A
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- coal mine
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- 239000003245 coal Substances 0.000 title claims abstract description 37
- 239000003638 chemical reducing agent Substances 0.000 claims description 20
- 238000010276 construction Methods 0.000 claims description 12
- 230000001050 lubricating effect Effects 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 9
- 239000002828 fuel tank Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 230000003139 buffering effect Effects 0.000 claims description 6
- 230000035939 shock Effects 0.000 claims description 6
- 238000013016 damping Methods 0.000 claims description 5
- 238000004378 air conditioning Methods 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 4
- 238000005461 lubrication Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 229910000746 Structural steel Inorganic materials 0.000 claims description 3
- 239000006096 absorbing agent Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000005340 laminated glass Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000013517 stratification Methods 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000005065 mining Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000580063 Ipomopsis rubra Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C47/00—Machines for obtaining or the removal of materials in open-pit mines
- E21C47/02—Machines for obtaining or the removal of materials in open-pit mines for coal, brown coal, or the like
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Road Paving Machines (AREA)
Abstract
The invention belongs to the technical field of transport equipment of an open pit coal mine, and particularly relates to a continuous walking type transport loader of an open pit coal mine, which is used for solving the problem of a loader for existing open mining. A receiving part, a main rack and a discharging part main body are all of a welded groove-shaped structure, so that an upper chain channel and a lower chain channel are formed, and are hinged together by virtue of a pin roll to form a coal conveying chain channel of the whole equipment, a scraper chain is arranged in the coal conveying chain channel and penetrates through the whole coal conveying chain channel, the upper chain channel is provided with a chain pressing block, a transport driving chain wheel and a tail guide wheel are respectively arranged at two ends of the scraper chain and are meshed and linked with the scraper chain, the scraper chain drives a chain wheel shaft to be linked with transport driving parts which are arranged at the left side and the right side, and the transport driving parts are respectively provided with a transport driving part protecting cover. According to the continuous walking type transport loader, a truck transporting link is eliminated, the transport cost is lowered, the equipment investment is reduced, the production capability and the production efficiency are improved, the cost of per ton coal is lowered, and the environmental-friendly mining of coal is realized.
Description
Technical field
The invention belongs to the technical field of open coal mine haulage device, be specifically related to a kind of open coal mine continuative transport walking type reversed loader.
Background technology
Opencut coal mine mining has safety, efficiently, easily reclaims, recovery ratio is high, the features such as cost is low.China can supply opencast rich coal resources, is applicable to the outdoor reserves adopted about 64,100,000,000 tons.China's present stage strip coal mining is usually based on the production practice of " power shovel-truck-Crushing Station-ribbon conveyer ", namely power shovel is arranged in the coal-face of stope, fixing Crushing Station and ribbon conveyer are arranged in outside stope, first the coal of power shovel digging load truck, then by truck, coal is transported to the fragmentation of fixing Crushing Station, after fragmentation, is discharged into ribbon conveyer is transported to coal bunker.This discontinuous min ing technology capital equipment dependence on import, truck company vehicle passage floor space is large, and large, the consuming time length of difficulty is moved at Convergency fracturing station, and not only the initial stage drops into many, and coal mining efficiency is low, safe water adjustment; And haulage device energy consumption is high, tire consumption is large, and maintenance cost is high, unit cost is large, and pollution on the environment is also serious, and its cost of winning is remained high, economic benefit is lower, and fuel price skyrockets especially at present, affects greatly the long term growth in mining area.Meanwhile, owing to adopting the cost of power shovel exploitation thinner seam sharply to strengthen, girdle abandons by most of open coal mine by the stripping along with rock, causes the waste of national resources.
Summary of the invention
Object of the present invention is exactly for the deficiencies in the prior art, design a kind of novel walking type reversed loader being applicable to the portable continuative transport of open coal mine, realize the material feeding of coal, reprint to subsequent transportation equipment, then the continuative transport of coal is realized, promote China's Opencut coal mine mining equipment overall technology level, significantly improve the international competitiveness of the outdoor outfit of China.
The present invention adopts following technical scheme to realize:
Open coal mine continuative transport walking type reversed loader, comprise feeding part, mainframe, discharge, left running part, right running part, electric control box, hydraulic power unit, temperature controlling hydraulically fuel tank, temperature control system, automatic centralized lubrication system, left traveling speed reducer, left lateral walk frequency control motor, right traveling speed reducer, right lateral walk frequency control motor, transport drive division, transport drive division guard shield, transport drive chain wheel shaft, feeding part hoist cylinder, discharge hoist cylinder, left temperature control guard chamber, right temperature control guard chamber, temperature control driver's cabin
Feeding part and discharge and mainframe pass through hinge, oil cylinder is utilized to support, feeding part, mainframe, discharge main body are the bathtub construction of welding, there is upper and lower chain road, and be made up of the Shu Meilian road of whole equipment hinge together, scraper chain is arranged wherein, run through whole chain road, cochain road is provided with pressure chain block, scraper chain two ends arrange transport drive sprocket and the tail axis of guide respectively, and engage with scraper chain and connect, the transport drive division that scraper chain drive chain wheel shaft and the left and right sides are arranged connects, and transport drive division is respectively equipped with transport drive division guard shield;
Feeding part upper design has buffering dragging track, and the two ends of buffering dragging track are arranged symmetrically with damping rubber block,
Two groups of hook-type links that left and right running part adopts horizontal Tile to arrange connect with mainframe, two groups of hook-type links comprise keyed hook-type link and flat hook-type link, spacing by the key of keyed hook-type link before and after the crawler belt support body relative position of mainframe and left and right running part, spacing by the hook side of two groups of hook-type links up and down, two groups of hook-type link medial surfaces and crawler belt support body integrally welded, bottom lateral surface, coupler body is set, mainframe riser is inserted within coupler body, two groups of hook-type link tops are connected by high-strength bolt and mainframe riser, the lateral surface of keyed hook-type link arranges the positive stop key coordinated with mainframe riser upper limit position groove,
Both sides, crawler belt support body top weld some cover plate support posts being threaded hole side by side, leave spacing between adjacent cover plate support column, form the row's powder space between crawler belt support body biside plate and crawler belt cover plate;
It is crawler belt cover plate above left and right running part, crawler belt cover plate is as mounting platform, it is arranged respectively electric control box, hydraulic power unit, temperature controlling hydraulically fuel tank and left and right walking frequency control motor, left and right traveling speed reducer is arranged in running part rear end, left and right, for vertical, above track frame, left and right traveling speed reducer input is connected with walking frequency control motor, left and right traveling speed reducer output is connected along driving wheel axial direction with crawler driving whell, and left and right traveling speed reducer input and output side axis forms antarafacial vertical stratification.
Temperature control driver's cabin adopts steel welding to be connected into frame construction, inside and outside frame construction, both sides welding steel sheet forms closed cavity, fill insulant material between two-layered steel plates, driver's cabin top adopts removable fop, driver's cabin adopts laminated glass, outside front glass, wiper is installed, mounting shock absorber between driver's cabin and frame, indoor employing mechanical shock absorption seat, backrest angle, before and after seat, upper-lower position is all adjustable, operation panel is installed in both sides, operation panel realizes high and low position with seat and regulates, and independently angular adjustment, operation panel is installed integrated control crank, stacked switch, combination Displaying Meter, indoor layout changes in temperature one air-conditioner air outlet and air conditioning control switch, indoor employing pressurizating ventilation.
Temperature control guard chamber in left and right is structural steel frame welded construction, and framework is inside and outside covers covering cover plate composition guard shield, and fill insulant material between inside and outside cover board, temperature control guard chamber arranges cold and hot air outlet by mainframe side, and rubber weather strip is installed in guard shield and complete machine coupling part.
Each bearing pin of open coal mine continuative transport stepped type crushing engine adopts automatic lubricating system to lubricate, automatic lubricating system comprises electronic lubricating pump, control system, pressure sensor, solenoid valve dispensers and pipe joint, each oil site shares an oil sump fuel feeding, by lubricating pump, sliding agent is delivered to oil site.
Hinge structure of the present invention has following beneficial effect: the coal that stepped type crushing engine can be carried by open coal mine continuative transport walking type reversed loader is reprinted to subsequent cell, completes the overlap joint to follow-up bridge conveyor, support, traction and guiding simultaneously.Walking type reversed loader and stepped type crushing engine, bridge conveyor, the supporting continuative transport realizing open coal mine coal-face of ribbon conveyer.It not only eliminates truck transport link, reduces freight, decreases equipment investment, and improves production capacity and production efficiency, reduces cost of ton coal, achieves the environmental protection exploitation of coal.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention,
Fig. 2 is front view of the present invention,
Fig. 3 is top view of the present invention,
Fig. 4 is left running part structural representation,
Fig. 5 is right running part structural representation,
Fig. 6 is cab structure schematic diagram,
In figure: 1-feeding part, 2-mainframe, 3-discharge, the left running part of 4-, the right running part of 5-, 6-electric control box, 7-hydraulic power unit, 8-temperature controlling hydraulically fuel tank, the left traveling speed reducer of 9-, 10-left lateral walks frequency control motor, the right traveling speed reducer of 11-, 12-right lateral walks frequency control motor, 13-transports drive division, 14-transports drive division guard shield, 15-transports drive chain wheel shaft, 16-feeding part hoist cylinder, 17-discharge hoist cylinder, the left temperature control guard chamber of 18-, the right temperature control guard chamber of 19-, 20-temperature control driver's cabin, 21-staircase, 22-tension device for scraper chain, 23-track takeup, 24-cable channel, 25-damping rubber block, 26-cushions dragging track, 27-scraper chain, 28-presses chain block, the hinged pin-and-hole of 29-, the 30-scraper chain axis of guide, 31-aircondition, 32-cab mount, 33-crawler belt support body, 34-crawler belt cover plate, 35-cover plate support post, 36-keyed hook-type link, 37-flat hook-type link, 38-installs cushion block, 39-water tank, 40-fuel tank installing rack, 4
1-mainframe side plate, 42-directive wheel, 43-damping rubber block, 44-cab mount, 44-electric-control system wave filter, 45-crawler driving whell.
Detailed description of the invention
By reference to the accompanying drawings the specific embodiment of the present invention is described further.
Open coal mine continuative transport walking type reversed loader forms primarily of following structure: feeding part, mainframe, discharge, left running part, right running part, electric control box, hydraulic power unit, temperature controlling hydraulically fuel tank, temperature control system, automatic centralized lubrication system, left traveling speed reducer, left lateral walks frequency control motor, right traveling speed reducer, right lateral walks frequency control motor, transport drive division, transport drive division guard shield, transport drive chain wheel shaft, feeding part hoist cylinder, discharge hoist cylinder, left temperature control guard chamber, right temperature control guard chamber, temperature control driver's cabin, the compositions such as staircase.
Feeding part and discharge and mainframe pass through hinge, oil cylinder is utilized to support, feeding part, mainframe, discharge main body are the bathtub construction of welding, have upper and lower chain road, and form the Shu Meilian road of whole equipment by hinge together, scraper chain is arranged wherein, run through whole chain road, cochain road is provided with pressure chain block, prevents flight chain from floating chain, ensures that conveying mechanism runs well.Scraper chain two ends arrange transport drive sprocket and the tail axis of guide respectively, and engage with scraper chain and connect, the transport drive division that scraper chain drive chain wheel shaft and the left and right sides are arranged connects, and makes scraper chain at upper and lower chain road loopy moving, and transport drive division is respectively equipped with transport drive division guard shield.
Feeding part is both as the material receiving device of equipment, simultaneously again as the transition apparatus realizing buffering overlap joint, its upper design has buffering dragging track, for the dump car of bridge conveyor provides dragging track, the two ends of dragging track are arranged symmetrically with damping rubber block, and the rack construction after effectively preventing equipment from overlapping is impacted firmly.
Two groups of hook-type links that left and right running part adopts horizontal Tile to arrange connect with mainframe, two groups of hook-type links comprise keyed hook-type link and flat hook-type link, spacing by the key of keyed hook-type link before and after the crawler belt support body relative position of mainframe and left and right running part, spacing by the hook side of two groups of hook-type links up and down, two groups of hook-type link medial surfaces and crawler belt support body integrally welded, bottom lateral surface, coupler body is set, mainframe riser is inserted within coupler body, two groups of hook-type link tops are connected by high-strength bolt and mainframe riser, the lateral surface of keyed hook-type link arranges the positive stop key coordinated with mainframe riser upper limit position groove.
Both sides, crawler belt support body top weld some cover plate support posts being threaded hole side by side, leave spacing between adjacent cover plate support column, form the row's powder space between crawler belt support body biside plate and crawler belt cover plate.
Left, it is crawler belt cover plate above right running part, crawler belt cover plate is as mounting platform, it arranges electric control box respectively, hydraulic power unit, temperature controlling hydraulically fuel tank and a left side, right lateral walks frequency control motor, left and right traveling speed reducer is arranged in running part rear end, left and right, for vertical, above track frame, left and right traveling speed reducer input is connected with walking frequency control motor, left and right traveling speed reducer output is connected along driving wheel axial direction with crawler driving whell, left and right traveling speed reducer input and output side axis forms antarafacial vertical stratification, be conducive to frequency control motor to arrange on crawler belt cover plate, effectively prevent the corrosion to drive motors such as outdoor excess surface water.
Temperature control driver's cabin adopts steel welding to be connected into frame construction; inside and outside both sides welding steel sheet forms closed cavity; fill insulant material between two-layered steel plates; driver's cabin top adopts removable fop; laminated glass is adopted to improve safety and comfortableness; outside front glass, wiper is installed, ensures pilot's line of vision.Mounting shock absorber between driver's cabin and frame, indoor employing mechanical shock absorption seat, before and after backrest angle, seat, upper-lower position is all adjustable, and operation panel is installed in both sides, and operation panel realizes high and low position with seat and regulates, and independently angular adjustment.Operation panel is installed integrated control crank, stacked switch, combination Displaying Meter, carry out operation and the state display of equipment.Indoor layout changes in temperature one air-conditioner air outlet and air conditioning control switch, ensure proper temperature in driver's cabin, indoor employing pressurizating ventilation, reduce and enter house dust.
Temperature control guard chamber in left and right is structural steel frame welded construction, and framework is inside and outside covers covering cover plate composition guard shield, fill insulant material between inside and outside cover board, and effectively intercept temperature winter and scatter and disappear, summer plays anti-sunlight function.Temperature control guard chamber arranges cold and hot air outlet by mainframe side, utilizes the air-conditioning equipment of complete machine to carry out temperature control to guard chamber.Rubber weather strip is installed in guard shield and complete machine coupling part, ensures that contact is tight.
Each bearing pin of open coal mine continuative transport stepped type crushing engine adopts automatic lubricating system to lubricate, automatic lubricating system is made up of electronic lubricating pump, control system, pressure sensor, solenoid valve dispensers and pipe joint etc., each oil site shares an oil sump fuel feeding, by lubricating pump, sliding agent is delivered to oil site, this greatly simplifies lubrication work.
Claims (4)
1. an open coal mine continuative transport walking type reversed loader, it is characterized in that comprising: feeding part (1), mainframe (2), discharge (3), left running part (4), right running part (5), electric control box (6), hydraulic power unit (7), temperature controlling hydraulically fuel tank (8), temperature control system, automatic centralized lubrication system, left traveling speed reducer (9), left lateral walks frequency control motor (10), right traveling speed reducer (11), right lateral walks frequency control motor (12), transport drive division (13), transport drive division guard shield (14), transport drive chain wheel shaft (15), feeding part hoist cylinder (16), discharge hoist cylinder (17), left temperature control guard chamber (18), right temperature control guard chamber (19), temperature control driver's cabin (20),
Feeding part and discharge and mainframe pass through hinge, oil cylinder is utilized to support, feeding part (1), mainframe (2), discharge (3) main body is the bathtub construction of welding, there is upper and lower chain road, and be made up of the Shu Meilian road of whole equipment hinge together, scraper chain (27) is arranged wherein, run through whole chain road, cochain road is provided with pressure chain block (28), scraper chain (27) two ends arrange transport drive sprocket and the tail axis of guide respectively, and engage with scraper chain (27) and connect, the transport drive division (13) that scraper chain drive chain wheel shaft and the left and right sides are arranged connects, transport drive division (13) is respectively equipped with transport drive division guard shield (14),
Feeding part (1) upper design has buffering dragging track (26), and the two ends of buffering dragging track are arranged symmetrically with damping rubber block (25),
Two groups of hook-type links that left and right running part adopts horizontal Tile to arrange connect with mainframe (2), two groups of hook-type links comprise keyed hook-type link (36) and flat hook-type link (37), spacing by the key of keyed hook-type link (36) before and after mainframe (2) and crawler belt support body (33) relative position of left and right running part, spacing by the hook side of two groups of hook-type links up and down, two groups of hook-type link medial surfaces and crawler belt support body (33) integrally welded, bottom lateral surface, coupler body is set, mainframe riser is inserted within coupler body, two groups of hook-type link tops are connected by high-strength bolt and mainframe riser, the lateral surface of keyed hook-type link (36) arranges the positive stop key coordinated with mainframe riser upper limit position groove,
Crawler belt support body (33) both sides, top weld some cover plate support posts (35) being threaded hole side by side, leave spacing between adjacent cover plate support column (35), form the row's powder space between crawler belt support body biside plate and crawler belt cover plate (35);
Left, it is crawler belt cover plate (34) above right running part, crawler belt cover plate (34) is as mounting platform, it is arranged respectively electric control box (6), hydraulic power unit (7), temperature controlling hydraulically fuel tank (8) and a left side, right lateral walks frequency control motor, left and right traveling speed reducer is arranged in running part rear end, left and right, for vertical, above track frame, left and right traveling speed reducer input is connected with walking frequency control motor, left and right traveling speed reducer output is connected along driving wheel axial direction with crawler driving whell, left and right traveling speed reducer input and output side axis forms antarafacial vertical stratification.
2. open coal mine continuative transport walking type reversed loader according to claim 1, it is characterized in that temperature control driver's cabin (20) adopts steel welding to be connected into frame construction, inside and outside frame construction, both sides welding steel sheet forms closed cavity, fill insulant material between two-layered steel plates, driver's cabin top adopts removable fop, driver's cabin adopts laminated glass, outside front glass, wiper is installed, mounting shock absorber between driver's cabin and frame, indoor employing mechanical shock absorption seat, backrest angle, before and after seat, upper-lower position is all adjustable, operation panel is installed in both sides, operation panel realizes high and low position with seat and regulates, and independently angular adjustment, operation panel is installed integrated control crank, stacked switch, combination Displaying Meter, indoor layout changes in temperature one air-conditioner air outlet and air conditioning control switch, indoor employing pressurizating ventilation.
3. open coal mine continuative transport walking type reversed loader according to claim 1 and 2, it is characterized in that left and right temperature control guard chamber (18,19) is structural steel frame welded construction, framework is inside and outside covers covering cover plate composition guard shield, fill insulant material between inside and outside cover board, temperature control guard chamber arranges cold and hot air outlet by mainframe side, and rubber weather strip is installed in guard shield and complete machine coupling part.
4. open coal mine continuative transport walking type reversed loader according to claim 3, it is characterized in that each bearing pin of open coal mine continuative transport stepped type crushing engine adopts automatic lubricating system to lubricate, automatic lubricating system comprises electronic lubricating pump, control system, pressure sensor, solenoid valve dispensers and pipe joint, each oil site shares an oil sump fuel feeding, by lubricating pump, sliding agent is delivered to oil site.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410824374.5A CN104594907B (en) | 2014-12-26 | 2014-12-26 | Continuous walking type transport loader of open pit coal mine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410824374.5A CN104594907B (en) | 2014-12-26 | 2014-12-26 | Continuous walking type transport loader of open pit coal mine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104594907A true CN104594907A (en) | 2015-05-06 |
| CN104594907B CN104594907B (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410824374.5A Active CN104594907B (en) | 2014-12-26 | 2014-12-26 | Continuous walking type transport loader of open pit coal mine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240015A (en) * | 2015-11-11 | 2016-01-13 | 甘肃金润玉石业有限公司 | Underground mining marble block handling device |
| CN113830193A (en) * | 2021-10-14 | 2021-12-24 | 中国煤炭科工集团太原研究院有限公司 | Vertical transmission motor built-in crawler traveling mechanism and crusher |
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| US6276758B1 (en) * | 1998-09-05 | 2001-08-21 | MAN TAKRAF Fördertechnik GmbH | Surface miner with tilting superstructure for depth control |
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| CN101270664A (en) * | 2007-03-19 | 2008-09-24 | 中国神华能源股份有限公司 | Walking type reversed loader |
| CN201666149U (en) * | 2010-04-14 | 2010-12-08 | 铁法煤业(集团)有限责任公司大兴煤矿 | Walking transfer machine |
| CN204899929U (en) * | 2014-12-26 | 2015-12-23 | 中国煤炭科工集团太原研究院有限公司 | Open coal mine continuous transportation walking elevating conveyor |
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2014
- 2014-12-26 CN CN201410824374.5A patent/CN104594907B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6276758B1 (en) * | 1998-09-05 | 2001-08-21 | MAN TAKRAF Fördertechnik GmbH | Surface miner with tilting superstructure for depth control |
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| CN105240015A (en) * | 2015-11-11 | 2016-01-13 | 甘肃金润玉石业有限公司 | Underground mining marble block handling device |
| CN113830193A (en) * | 2021-10-14 | 2021-12-24 | 中国煤炭科工集团太原研究院有限公司 | Vertical transmission motor built-in crawler traveling mechanism and crusher |
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| CN104594907B (en) | 2017-02-22 |
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