CN203593367U - Crossed side-dumping type variable frequency driving and conveying device for coal mine - Google Patents
Crossed side-dumping type variable frequency driving and conveying device for coal mine Download PDFInfo
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- CN203593367U CN203593367U CN201320670841.4U CN201320670841U CN203593367U CN 203593367 U CN203593367 U CN 203593367U CN 201320670841 U CN201320670841 U CN 201320670841U CN 203593367 U CN203593367 U CN 203593367U
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Abstract
The utility model provides a crossed side-dumping type variable frequency driving and conveying device for a coal mine. The crossed side-dumping type variable frequency driving and conveying device comprises a scraper conveyer and a scraper stage loader. The scraper conveyer comprises a conveyer head, a conveyer body and a telescopic conveyer tail. The telescopic conveyer tail is formed by a fixed rack and a movable rack. A first telescopic conveyer tail deflection tank, a second telescopic conveyer tail deflection tank and a third telescopic conveyer tail deflection tank are arranged between the conveyer body and the movable rack. A telescopic conveyer tail pushing device I and a telescopic conveyer tail pushing device II are arranged on the position, on one side of the second telescopic conveyer tail deflection tank, of the movable rack and the position, on one side of the third telescopic conveyer tail deflection tank, of the movable rack. Through the crossed side-dumping type variable frequency driving and conveying device, energy conservation and emission reduction can be achieved, and the requirements of a motor for large starting torque and soft starting can be met; because the crossed side-dumping type variable frequency driving and conveying device can be started in a low speed and large-torque mode, the destructive power to a chain is reduced, the subsequent maintenance cost is reduced, the service life is prolonged, and high requirements for coal mining mechanization are met.
Description
Technical field
The utility model relates to a kind of slat conveyer, and particularly a kind of colliery is with intersecting side dump frequency conversion drive feedway.
Background technology
Colliery is mainly applicable to the actual mining of flat pitch under coal mine, medium-thickness seam with intersection side dump slat conveyer, require to have the features such as high strength, high life, high reliability, can realize highly efficient and productive comprehensive mechanical coal mining.National policy requires mining equipment will realize energy-saving and emission-reduction at present, while equipment will be realized mechanical coal mining and just must have larger torque and soft start in down-hole, and the drive system of domestic existing mine high-power slat conveyer is all the array mode that adopts motor, retarder, hydraulic coupler, this type of drive can meet the requirement of soft starter for motor and larger detent torque, but does not have significant characteristics of energy saving.
Summary of the invention
The technical problems to be solved in the utility model is for the deficiencies in the prior art, proposes one and can realize energy-saving and emission-reduction, can realize again the colliery of soft start and larger starting torque with intersecting side dump frequency conversion drive feedway.
The technical problems to be solved in the utility model is achieved through the following technical solutions, a kind of colliery is with intersecting side dump frequency conversion drive feedway, comprise slat conveyer and scraper blade elevating conveyor, be characterized in: described scraping transporter comprises conveyer head, conveyer fuselage and conveyer telescopic tail, conveyer telescopic tail is made up of fixing bracket body and movable machine frame, between fixing bracket body and movable machine frame, be provided with telescopic oil cylinder, front portion at movable machine frame is provided with chain wheel assembly, conveyer telescopic tail the first deflection groove of arranging before and after being provided with between conveyer fuselage and movable machine frame, conveyer telescopic tail the second deflection groove and conveyer telescopic tail the 3rd deflection groove, on the movable machine frame of conveyer telescopic tail the second deflection groove and conveyer telescopic tail the 3rd deflection groove one side, be respectively equipped with conveyer telescopic tail push unit I and conveyer telescopic tail push unit II, on conveyer head, be provided with horizontal transmission device I and and a vertically disposed vertical transmission mechanism of conveyor chain be arrangeding in parallel with conveyor chain, on conveyer telescopic tail, be arranged with the horizontal transmission device II arranging with horizontal transmission device I homonymy, described horizontal transmission device I, horizontal transmission device II and vertical transmission mechanism include variable frequency drive motors and epicyclic reduction gear, between variable frequency drive motors and epicyclic reduction gear, be equipped with limit square friction clutch, between limit square friction clutch and epicyclic reduction gear, be provided with hydraulic tightener for motorcycle engine chain, described scraper blade elevating conveyor comprises frame head of reloading machine and transfer conveyor tail, between frame head of reloading machine and transfer conveyor tail, be provided with elevating conveyor fuselage, angle between elevating conveyor fuselage and horizontal surface is 5 °-15 °, be provided with the crusher of broken coal cinder in the front portion of transfer conveyor tail, be provided with elevating conveyor transmission device at frame head of reloading machine place.
The technical problems to be solved in the utility model can also be come further to realize by the following technical programs, and the epicyclic reduction gear input shaft of described horizontal transmission device I and horizontal transmission device II is parallel with conveyor chain with the vertical setting of output shaft and input shaft; The input shaft of vertical transmission mechanism is vertical with conveyor chain with the coaxial setting of output shaft and input shaft.
Compared with prior art, the horizontal transmission device II that the utility model utilization is arranged on horizontal transmission device I on conveyer head and vertical transmission mechanism and arranges with horizontal transmission device I homonymy on conveyer telescopic tail, can realize energy-saving and emission-reduction, can meet again detent torque that motor is larger and the requirement of soft start, in the time starting, can start by slow speed of revolution, when normal operation, can change according to actual needs power requirement; Utilize the conveyer telescopic tail of slat conveyer, can actv. reduce end chain and retract the requirement of coal, realize the adjustment of the tight chain of hydraulic pressure and integral structure length, can meet the operating needs that face length changes.The utility model speed is adjustable, moment of torsion is adjustable, compact conformation is firm, and handled easily operation, owing to starting by low-speed big, reduce the destructive force to chain, the little slat conveyer that makes of starting current operates steadily, and has reduced the impact to physical construction, increases the service life; The volume of drive configuration is little, has reduced the requirement to space under ore deposit, in the time that scrapper conveyor is crushed to death, and the startup of high pulling torque for a long time; The power factor of variable frequency drive motors is high, and reactive loss is few, and in the time of many motor rotations, system power balance is high, the maintenance cost in later stage all reduces greatly with parallel cost, can reach higher service life, thereby meet the high request of mining mechanization, reduce use and maintenance cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of horizontal transmission device I.
The specific embodiment
A kind of colliery is with intersecting side dump frequency conversion drive feedway, comprise slat conveyer 5 and scraper blade elevating conveyor, described scraping transporter comprises conveyer head, conveyer fuselage 7 and conveyer telescopic tail 11, conveyer telescopic tail 11 is made up of fixing bracket body and movable machine frame, between fixing bracket body and movable machine frame, be provided with telescopic oil cylinder, front portion at movable machine frame is provided with chain wheel assembly, conveyer telescopic tail the first deflection groove 14 of arranging before and after being provided with between conveyer fuselage and movable machine frame, conveyer telescopic tail the second deflection groove 13 and conveyer telescopic tail the 3rd deflection groove 12, on the movable machine frame of conveyer telescopic tail the second deflection groove 13 and conveyer telescopic tail the 3rd deflection groove 12 1 sides, be respectively equipped with conveyer telescopic tail push unit I 8 and conveyer telescopic tail push unit II 9, on conveyer head, be provided with horizontal transmission device I 6 and and a vertically disposed vertical transmission mechanism 4 of conveyor chain be arrangeding in parallel with conveyor chain, on conveyer telescopic tail, be arranged with the horizontal transmission device II arranging with horizontal transmission device I homonymy, described horizontal transmission device I, horizontal transmission device II and vertical transmission mechanism include variable frequency drive motors 15 and epicyclic reduction gear 18, between variable frequency drive motors 15 and epicyclic reduction gear 18, be equipped with limit square friction clutch 16, between limit square friction clutch 16 and epicyclic reduction gear 18, be provided with hydraulic tightener for motorcycle engine chain 17, described scraper blade elevating conveyor comprises frame head of reloading machine and transfer conveyor tail, between frame head of reloading machine and transfer conveyor tail, be provided with elevating conveyor fuselage 2, angle between elevating conveyor fuselage and horizontal surface is 5 °-15 °, the crusher 3 that is provided with broken coal cinder in the front portion of transfer conveyor tail, is provided with elevating conveyor transmission device 1 at frame head of reloading machine place.Described conveyer fuselage comprises intermediate channel, open slot, pin rail assembly, cable duct assembly, curb pins board component, 1.75 meters of intermediate channel and 1.75 meters of open slots.Intermediate channel and open slot can levels and are bent right and left, the pushing and sliding that meet whole slat conveyer are tried to stop people from fighting each other and the irregular requirement of driving surface, open slot is uniformly distributed, can check and overhaul bottom scraper chain, cable duct is the cable apparatus for placing of whole slat conveyer, upper strata is the walking cable of coalcutter, and the line constructions such as motor cable, hydraulic pressure water pipe and data cable can be placed in understructure space.Curb pins board component plays the device that connects intermediate channel and open slot, has certain tolerance clearance to meet the level of cell body and the requirement that bends right and left.The drive mechanism that scraper chain assembly, adjusting chain component and the resistance chain device of described slat conveyer is whole slat conveyer, the running that drives whole scraper plate to connect through chain wheel assembly structure after power output, has reached transportation request.Regulating chain component and resistance chain device is length in order to adjust chain and tensioning and the structure prepared; Slat conveyer also comprises the feed system of the lubricated and hydraulic pressure that protective cover hydraulic efficiency pressure system 10, water system, lubricating system and elevating conveyor hydraulic efficiency pressure system etc. are whole slat conveyer, has met sprocket wheel, bearing, sealing member, the isostructural operating needs of telescopic oil cylinder.Described conveyer telescopic tail is mainly made up of horizontal transmission device II, fixing bracket body, movable machine frame, telescopic oil cylinder, chain wheel assembly, hyoplastron assembly, group chain device and tail cylinder shield etc., described movable machine frame is mainly used to installation, support transmission device, chain wheel assembly, hyoplastron, dials the parts such as chain device, and fixing bracket body, movable machine frame combine as a whole by telescopic oil cylinder.Handle the flexible hydraulic control system of tail and make telescopic oil cylinder move to realize stretching out or retracting of movable machine frame, coordinate Hydranlic tensioner to complete the tensioning of conveyer scraper chain.Described crusher is the broken structure of bulk coal, in the time that bulk coal or spoil are transported on scraper blade elevating conveyor, becomes fritter through crusher in crushing, reaches desired granularity, has also reduced the wearing and tearing to cell body and belt.Crusher is designed to and the scraper blade elevating conveyor structure that links into an integrated entity, and has facilitated drawing of crusher to move; Another crusher is provided with height adjustability, can meet the requirement of different particle size after cracking.
The epicyclic reduction gear input shaft of described horizontal transmission device I and horizontal transmission device II is parallel with conveyor chain with the vertical setting of output shaft and input shaft; The input shaft of vertical transmission mechanism is vertical with conveyor chain with the coaxial setting of output shaft and input shaft.
The start operating performance of slat conveyer: in the time starting slat conveyer, the control housing of whole control system requires each starter gear all normally in clean boot state.Described whole equipment guarantees installation, and lubricating oil, the grease at each position have all been injected into and have required position.Guarantee that whole sprocket shaft group, power part, scraper chain etc. are in place, all hydraulic pressure, automatically controlled original paper are all correctly installed.Connect after slat conveyer power supply, carry out running inspection, crawl electrical motor, guarantees that the hand of rotation of variable-frequency motor of transmission device, the conveyer telescopic tail transmission device of conveyer head is consistent.Then retractor device, the hydraulic motor chain tightening device of guaranteeing hydraulic power unit, conveyer telescopic tail all reach pre-provisioning request, motor, retarder smooth running, and without abnormal sound equipment, without overheating, scraper chain continues smooth running.The overall startup efficiency that AC frequency conversion drives is high, in the time of heavy load starting, can guarantee equally long high pulling torque output, can realize permanent moment of torsion work, can realize the synchronism of many motor rotations.
The plug-flow of the slat conveyer operating mode of trying to stop people from fighting each other: mine and need to realize later the reach of whole conveying machinery at coalcutter.In the time that coalcutter moved ahead 12 to 18 joint cell body, need to utilize hydraulic support that slat conveyer is passed through to the flexible of hydraulic actuating cylinder, pass forward chute; After chute is passed, hydraulic support is realized trying to stop people from fighting each other forward of hydraulic support by the gravity flexible and conveyer self of hydraulic actuating cylinder.The pushing and sliding of slat conveyer hydraulic support are tried to stop people from fighting each other all needs smooth transition, has facilitated operation, has saved the structural complexity of face end support and the triviality of operation.
The unloading of slat conveyer and reprinting operating mode: behind conveyer head position, be directly transported on elevating conveyor by the scraper chain of scraper blade elevating conveyor in Coal Transport, do not need discharge height requirement, also reduced the phenomenon that slat conveyer retracts coal, stop the accumulation of coal in handpiece of scraper conveyer position, reduced manual operation.Coal moves after reprinting on elevating conveyor, having realized after 10 ° of climbings, reaches discharge height requirement, is transitted to belt feeder conveying arrangement.
The coal crushing operating mode of crusher: when coal moves on scraper blade elevating conveyor through reprinting, through crusher, crusher is through the adjustment of hydraulic actuating cylinder, reach certain broken requirement, can realize the fragmentation to bulk coal or spoil, reduce bulk coal or the wearing and tearing of spoil to cell body, and destruction to belt transport unit.
Claims (2)
1. a colliery is with intersecting side dump frequency conversion drive feedway, comprise slat conveyer and scraper blade elevating conveyor, it is characterized in that: described scraping transporter comprises conveyer head, conveyer fuselage and conveyer telescopic tail, conveyer telescopic tail is made up of fixing bracket body and movable machine frame, between fixing bracket body and movable machine frame, be provided with telescopic oil cylinder, front portion at movable machine frame is provided with chain wheel assembly, conveyer telescopic tail the first deflection groove of arranging before and after being provided with between conveyer fuselage and movable machine frame, conveyer telescopic tail the second deflection groove and conveyer telescopic tail the 3rd deflection groove, on the movable machine frame of conveyer telescopic tail the second deflection groove and conveyer telescopic tail the 3rd deflection groove one side, be respectively equipped with conveyer telescopic tail push unit I and conveyer telescopic tail push unit II, on conveyer head, be provided with horizontal transmission device I and and a vertically disposed vertical transmission mechanism of conveyor chain be arrangeding in parallel with conveyor chain, on conveyer telescopic tail, be arranged with the horizontal transmission device II arranging with horizontal transmission device I homonymy, described horizontal transmission device I, horizontal transmission device II and vertical transmission mechanism include variable frequency drive motors and epicyclic reduction gear, between variable frequency drive motors and epicyclic reduction gear, be equipped with limit square friction clutch, between limit square friction clutch and epicyclic reduction gear, be provided with hydraulic tightener for motorcycle engine chain, described scraper blade elevating conveyor comprises frame head of reloading machine and transfer conveyor tail, between frame head of reloading machine and transfer conveyor tail, be provided with elevating conveyor fuselage, angle between elevating conveyor fuselage and horizontal surface is 5 °-15 °, be provided with the crusher of broken coal cinder in the front portion of transfer conveyor tail, be provided with elevating conveyor transmission device at frame head of reloading machine place.
2. colliery according to claim 1, with intersecting side dump frequency conversion drive feedway, is characterized in that: the epicyclic reduction gear input shaft of described horizontal transmission device I and horizontal transmission device II is parallel with conveyor chain with the vertical setting of output shaft and input shaft; The input shaft of vertical transmission mechanism is vertical with conveyor chain with the coaxial setting of output shaft and input shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320670841.4U CN203593367U (en) | 2013-10-29 | 2013-10-29 | Crossed side-dumping type variable frequency driving and conveying device for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320670841.4U CN203593367U (en) | 2013-10-29 | 2013-10-29 | Crossed side-dumping type variable frequency driving and conveying device for coal mine |
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|---|---|
| CN203593367U true CN203593367U (en) | 2014-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320670841.4U Withdrawn - After Issue CN203593367U (en) | 2013-10-29 | 2013-10-29 | Crossed side-dumping type variable frequency driving and conveying device for coal mine |
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| CN (1) | CN203593367U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103523466A (en) * | 2013-10-29 | 2014-01-22 | 连云港天明装备有限公司 | Cross side dumping type variable-frequency drive conveying device for coal mines |
| CN109436674A (en) * | 2018-12-10 | 2019-03-08 | 宁夏天地奔牛实业集团有限公司 | Distribution Warehouse drag conveyor extension type tail |
| CN111022115A (en) * | 2019-11-19 | 2020-04-17 | 中煤张家口煤矿机械有限责任公司 | Arrangement method of front-lapping rear-end-unloading fully-mechanized caving face conveying and crushing equipment |
| CN111042858A (en) * | 2019-11-14 | 2020-04-21 | 中煤张家口煤矿机械有限责任公司 | Arrangement method of front-lap-joint rear-crossed fully mechanized caving face conveying and crushing equipment |
| CN109436674B (en) * | 2018-12-10 | 2024-04-19 | 宁夏天地奔牛实业集团有限公司 | Telescopic tail for scraper conveyor of matched bin |
-
2013
- 2013-10-29 CN CN201320670841.4U patent/CN203593367U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103523466A (en) * | 2013-10-29 | 2014-01-22 | 连云港天明装备有限公司 | Cross side dumping type variable-frequency drive conveying device for coal mines |
| CN109436674A (en) * | 2018-12-10 | 2019-03-08 | 宁夏天地奔牛实业集团有限公司 | Distribution Warehouse drag conveyor extension type tail |
| CN109436674B (en) * | 2018-12-10 | 2024-04-19 | 宁夏天地奔牛实业集团有限公司 | Telescopic tail for scraper conveyor of matched bin |
| CN111042858A (en) * | 2019-11-14 | 2020-04-21 | 中煤张家口煤矿机械有限责任公司 | Arrangement method of front-lap-joint rear-crossed fully mechanized caving face conveying and crushing equipment |
| CN111022115A (en) * | 2019-11-19 | 2020-04-17 | 中煤张家口煤矿机械有限责任公司 | Arrangement method of front-lapping rear-end-unloading fully-mechanized caving face conveying and crushing equipment |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140514 Effective date of abandoning: 20160706 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |