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CN107083926A - A kind of feed system of large-scale mine rig - Google Patents

A kind of feed system of large-scale mine rig Download PDF

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Publication number
CN107083926A
CN107083926A CN201710540463.0A CN201710540463A CN107083926A CN 107083926 A CN107083926 A CN 107083926A CN 201710540463 A CN201710540463 A CN 201710540463A CN 107083926 A CN107083926 A CN 107083926A
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China
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sprocket
chain
tower
power
feed system
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CN201710540463.0A
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CN107083926B (en
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盛冬平
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Changzhou Institute of Technology
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Changzhou Institute of Technology
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/083Cam, rack or like feed mechanisms

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Abstract

本发明公开了一种大型矿用钻机的进给系统,进给系统设置于塔架上,并可沿塔架上下运动,进给系统的底部设置有主动链轮、马达和由马达驱动的减速齿轮,减速齿轮的输出端与主动链轮相连,顶部设置有被动链轮,主动链轮和被动链轮外啮合套设有链条,其中一条链条上固定设置有固定于塔架上的链条固定座,另一条链条上固定设置有推进设备,减速齿轮将马达的动力输出至主动链轮,并传输至被动链轮,从而带动整个进给系统在塔架顶部和底部之间上下运动。本发明消除了推进系统在自身推进力作用下的压杆稳定性问题,大幅提高了系统的推进力上限以及系统的功重比;塔架自身的稳定性极大地提高;大幅降低了系统的成本,提高了系统的稳定性和可维护性。

The invention discloses a feed system of a large mining drilling rig. The feed system is arranged on a tower and can move up and down along the tower. The bottom of the feed system is provided with a driving sprocket, a motor and a speed reducer driven by the motor Gear, the output end of the reduction gear is connected with the driving sprocket, the top is provided with a passive sprocket, and the outer meshing sleeve of the driving sprocket and the passive sprocket is provided with a chain, and one of the chains is fixed with a chain fixing seat fixed on the tower , The propulsion device is fixedly installed on the other chain, and the reduction gear outputs the power of the motor to the driving sprocket and transmits it to the passive sprocket, thereby driving the entire feeding system to move up and down between the top and bottom of the tower. The present invention eliminates the stability problem of the pressure bar under the propulsion force of the propulsion system, greatly improves the upper limit of the propulsion force of the system and the power-to-weight ratio of the system; the stability of the tower itself is greatly improved; and the cost of the system is greatly reduced , improving the stability and maintainability of the system.

Description

A kind of feed system of large-scale mine rig
Technical field
The present invention relates to a kind of feed system, more particularly to a kind of feed system of large-scale mine rig.
Background technology
Large-scale mine rig is common in the mineral products such as large outdoors colliery, iron ore area, is that a kind of produced on mining area top layer is bored Enter the special equipment for obtaining blast hole/exploration hole, the depth of typically hole reaches tens of rice to thousands of rice.Feeding in this kind equipment System is core component therein, and which determine the maximum load of rig and effective power to weight ratio (output work for the size of its propulsive force The ratio between rate and system weight).
The feed system both at home and abroad for large type drill is mainly based upon the feeding system of double-acting type oil cylinder push at present System.The system is made up of components such as balladeur train assembly, feed cylinder, rotary gear box and steel wire ropes.Balladeur train assembly is by upper and lower two Assembly pulley is constituted, and the upper/lower terminal with feed cylinder cylinder is connected respectively.Feed cylinder is double-acting type, the work at cylinder tube two ends Stopper rod is connected with a public piston, and the oil cylinder is typically for up to more than 10m.It is total that the two ends of feed cylinder piston rod are fixed on boring tower Into top and bottom near.When hydraulic oil rushes at any side of piston, cylinder tube and upper and lower assembly pulley are along above and below boring tower It is mobile so that system produces downward or upward propulsive force.High intensity wirerope is total by boring tower through upper and lower two assembly pulleys Adjustable anchor point into immediate vicinity is connected with swiveling head.Balladeur train along boring tower move up and down when, swiveling head also can be towards phase Same direction movement, but speed is twice of balladeur train.Due to make use of double-acting type long stroke oil cylinder, the system cost is caused to be held high It is expensive, complicated.Simultaneously as the oil cylinder two ends are separately fixed at the bottom and top of boring tower assembly, cause oil cylinder and boring tower Both produce pressure bar stabilization sex chromosome mosaicism in the presence of oil cylinder propulsive force, so that the maximum output for limiting feed system is promoted Power.Further, since working environment in mine is severe, causes the piston rod of oil cylinder easily to produce shock with outside rubble etc., enter And cause to seal the problems such as being destroyed and produce hydraulic system fault.
The content of the invention
In order to improve the propulsive force upper limit, the power to weight ratio of system and the stability of system and the maintainability of system, reduction The weight and intensity of pylon, simplify design and reduce cost, the present invention is provided one kind and produced using hydraulic motor and reduction box Variable torque, moment of torsion is converted into mode that propulsive force and propulsion system installed in tower midsection come group by sprocket wheel and chain Into brand-new feed system.
Technical scheme is as follows:
A kind of feed system of large-scale mine rig, the feed system is arranged on pylon, and can be transported along above and below pylon Dynamic, the feed system includes the top and bottom connected by balladeur train, and the bottom is provided with drive sprocket, and bottom is also set up There are motor and the reduction gearing driven by motor, the output end of reduction gearing is connected with the rotating shaft of drive sprocket, and the top is set Be equipped with by movable sprocket, the drive sprocket and chain be arranged with by movable sprocket external toothing, form a loop, drive sprocket and by Chain two chains of formation between movable sprocket, are fixed wherein being fixedly installed the chain being fixed on pylon on a chain Seat, is fixedly installed puopulsion equipment on another chain, and reduction gearing is by the power output of motor to drive sprocket, drive sprocket Rotary motion transmitted by chain to by movable sprocket so that drive whole feed system between tower top and bottom above and below Motion, and then realize the up and down motion of power assembly.
As a further improvement on the present invention, the drive sprocket includes the passive chain of bottom power output sprocket and bottom Wheel, the output end of reduction gearing is connected with the rotating shaft of bottom power output sprocket, described to include the first top passively by movable sprocket Sprocket wheel and the second top are by movable sprocket, and the bottom power output sprocket, bottom are by movable sprocket, the first top by movable sprocket and the Two tops are arranged with chain by movable sprocket external toothing, wherein, bottom power output sprocket and the second top are by between movable sprocket The chain fixed seat being fixed on pylon is fixedly installed on chain, bottom is by movable sprocket and the first top by between movable sprocket It is fixedly installed puopulsion equipment on chain, reduction gearing is by the power output of motor to bottom power output sprocket, bottom power The rotary motion of output chain gear is transmitted to bottom by movable sprocket, the first top by the passive chain of movable sprocket and the second top by chain Wheel.
As a further improvement on the present invention, slide rail, the top and bottom difference of the balladeur train are provided with the pylon Guide rollerses are provided with, the Guide rollerses, which are limited in the slide rail of pylon, to be slided.
As a further improvement on the present invention, the puopulsion equipment be include unit head mounting seat, unit head hydraulic motor, The power assembly of unit head gear-box, the two ends of the unit head mounting seat are fixedly linked with chain respectively, the power first liquid Pressure motor and unit head gear-box are fixedly installed in unit head mounting seat, the bottom jointed rod of the unit head gear-box.
Beneficial effects of the present invention are as follows:
(1) adjusting torque produced due to make use of hydraulic motor and reduction box, changed moment of torsion by sprocket wheel and chain For the mode of propulsive force, pressure bar stabilization sex chromosome mosaicism of the propulsion system under the effect of self-propelled power is eliminated, greatly improved and be The propulsive force upper limit and the power to weight ratio of system of system;
(2) due to taking propulsion system in tower midsection mounting means, the stability of pylon itself improves 4 times even more It is high.Mean compared with drive propulsion system, under conditions of identical propulsive force, it is possible to decrease the weight and intensity of pylon, can be with Reach to simplify and design and reduce the effect of cost;
(3) because the hydraulic motor and gear-box for producing propulsive force are standardized product, system is significantly reduced Cost, improves the stability and maintainability of system.
Brief description of the drawings
Fig. 1 is a kind of use state structural representation of the feed system of large-scale mine rig of the invention.
Fig. 2 is feed system tip position schematic enlarged-scale view in Fig. 1.
Fig. 3 is feed system bottom position schematic enlarged-scale view in Fig. 1.
Fig. 4 is the fit structure stereogram of balladeur train and slide rail.
Fig. 5 is the fit structure side view of balladeur train and slide rail.
Fig. 6 is a kind of general structure schematic diagram of the feed system of large-scale mine rig of the invention.
Fig. 7 is the top structure schematic diagram of feed system in Fig. 6.
Fig. 8 is the polycrystalline substance schematic diagram of feed system in Fig. 6.
Fig. 9 is the operation principle sketch of the present invention.
Figure 10 is a kind of general design idea flow chart of the feed system of large-scale mine rig of the invention.
In figure:1st, pylon;2nd, feed system;3rd, slide rail;4th, balladeur train;5th, track pulley;6th, motor;7th, chain fixed seat; 8th, chain;9th, bottom power output sprocket;10th, bottom is by movable sprocket;11st, reduction gearing;12nd, the first top is by movable sprocket;13、 Second top is by movable sprocket;14th, unit head mounting seat;15th, unit head hydraulic motor;16th, unit head gear-box;17th, power is total Into.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the assembly structure schematic diagram comprising pylon 1 and feed system 2, and Fig. 2 and Fig. 3 are feed system in Fig. 1 respectively The schematic enlarged-scale view of tip position and bottom position.When rig is in working condition, pylon assembly is in plumbness, works as place When stopped status, pylon assembly is in horizontality.Slide rail 3 is welded with pylon 1, totally two, feed system are symmetrically installed In totally 4 pulleys are moved in the slide rail slide rail of pylon both sides for both sides up and down, it is ensured that feed system is only along above and below slide rail Mobile translation freedoms.The fit structure of balladeur train and slide rail is as shown in Figure 4 and Figure 5.
Fig. 6 is the assembly structure schematic diagram of feed system, and Fig. 7 is top structure enlarged drawing in Fig. 6, and Fig. 8 is bottom in Fig. 6 Schematic enlarged-scale view.Balladeur train 4 in Fig. 8 is other components such as sprocket wheel, power assembly, motor etc. in weld assembly, feed system It is installed on balladeur train;Sprocket wheel, each 4 up and down, 8 altogether, power is transmitted by chain 8;Track pulley 5, in work shape Under state, the track pulley 5 is slided in the slide rail 3 of pylon 1;Motor 4 (being preferably hydraulic motor) is feed system propulsive force Power resources;Reduction gear box 11 play a part of slow down increase turn round, the gear-box be double output structure, two ends output shaft respectively with Bottom power output sprocket 9 is installed by splined shaft and connected;Lower chain between chain fixed seat 7 and bottom power output sprocket 9 Bar, is left and right symmetrically arranged, totally 2;Chain fixed seat 7, is left and right symmetrically arranged, totally 2, and the fixed seat is connected by welding or bolt The mode of connecing is attached to pylon 1, is fixed together with pylon 1.In addition, the top of the chain fixed seat 7 is with being located at chain fixed seat 7 And by upper chain one end consolidation between movable sprocket 13 at the top of second, other end of chain passes through the top of feed system 2 on this Top after sprocket wheel commutation with unit head mounting seat 14 is consolidated.The bottom of chain fixed seat 7 is with being located at chain fixed seat 7 Lower chain one end consolidation between bottom power output sprocket 9, the other end of the lower sprocket passes through the bottom of feed system 2 Sprocket wheel commutation after be consolidated with the bottom of unit head mounting seat 14, form a loop;Unit head hydraulic motor 15 is used To provide the rotary power of feed system 2;The bottom jointed rod of unit head gear-box 16.It should be noted that:Sprocket wheel, track Pulley 5, motor 6, reduction gear box 11 are fixedly mounted on balladeur train 4.Unit head mounting seat 14, unit head hydraulic motor 15 and dynamic Power head gear-box 16 is an assembling assembly (being referred to as unit head assembly), and balladeur train 4 is connected to by upper chain and lower chain On, as the component variable relative to sledge position.
The operation principle of the present invention is as follows:
Inputted by the power of hydraulic motor 6 so that hydraulic motor 6 produces rotary power, the power subtracts into dual output Fast gear-box 11, power is exported to reduction gear box 11 after slowing down and increasing torsion on the bottom power output sprocket 9 for exporting two ends, Translational motion is produced in the rotary action lower chain 8 of the sprocket wheel, because chain fixed seat 7 is fixed on pylon 1, and feed system Balladeur train 4 translation freedoms are only existed due to the effect of track pulley 5, so as to pass through the pulling of chain 8 so that balladeur train 4 Translation is produced relative to pylon 1.Further, since feed system substantially has a movable pulley combination, and unit head assembly is pacified In chain circle so that the actual motion speed of unit head assembly is 2 times of sledge movements.Simultaneously, it is contemplated that chain is solid Reservation 7 is arranged on the centre position of pylon 1 so that pylon 1 has more preferable stability and Geng Gao peace in the presence of propulsive force Overall coefficient.
The plan view sketch of feed system is as shown in figure 9, chain fixed seat 7 is fixed on pylon 1 in figure, bottom power The rotation direction of output chain gear decides the motion direction of feed of unit head.
The present invention can be used in the equipment with propulsion system, and power assembly 17 could alternatively be other and respectively analogize in Fig. 9 Enter equipment.In addition, the selection of sprocket wheel and chain needs to be selected according to the size of propulsive force, and the design of chain fixed seat 7 and The on-link mode (OLM) of pylon 1 needs to be designed according to system propulsive force and overall weight.Bottom hydraulic motor 6 and reduction gear box 11 Selection need can be obtained according to the maximum of system with propulsive force to calculate.General design idea is shown in Figure 10.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention.All essences in the present invention Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.

Claims (4)

1.一种大型矿用钻机的进给系统,其特征在于:所述进给系统设置于塔架上,并可沿塔架上下运动,所述进给系统包括通过滑架连接的顶部和底部,所述底部设置有主动链轮,底部还设置有马达和由马达驱动的减速齿轮,减速齿轮的输出端与主动链轮的转轴相连,所述顶部设置有被动链轮,所述主动链轮和被动链轮外啮合套设有链条,形成一个环路,主动链轮和被动链轮之间的链条形成两条链条,其中一条链条上固定设置有固定于塔架上的链条固定座,另一条链条上固定设置有推进设备,减速齿轮将马达的动力输出至主动链轮,主动链轮的旋转运动通过链条传输至被动链轮,从而带动整个进给系统在塔架顶部和底部之间上下运动,进而实现动力总成的上下运动。1. A feed system of a large mining rig, characterized in that: the feed system is arranged on the tower and can move up and down along the tower, and the feed system includes a top and a bottom connected by a carriage , the bottom is provided with a driving sprocket, the bottom is also provided with a motor and a reduction gear driven by the motor, the output end of the reduction gear is connected with the rotating shaft of the driving sprocket, the top is provided with a passive sprocket, and the driving sprocket A chain is provided in the outer meshing sleeve with the driven sprocket to form a loop. The chain between the driving sprocket and the driven sprocket forms two chains, one of which is fixed with a chain fixing seat fixed on the tower, and the other A chain is fixed with a propulsion device, the reduction gear outputs the power of the motor to the driving sprocket, and the rotation of the driving sprocket is transmitted to the passive sprocket through the chain, thus driving the entire feeding system up and down between the top and bottom of the tower Movement, and then realize the up and down movement of the powertrain. 2.根据权利要求1所述的一种大型矿用钻机的进给系统,其特征在于:所述主动链轮包括底部动力输出链轮和底部被动链轮,减速齿轮的输出端与底部动力输出链轮的转轴相连,所述被动链轮包括第一顶部被动链轮和第二顶部被动链轮,所述底部动力输出链轮、底部被动链轮、第一顶部被动链轮和第二顶部被动链轮外啮合套设有链条,其中,底部动力输出链轮和第二顶部被动链轮之间的链条上固定设置有固定于塔架上的链条固定座,底部被动链轮和第一顶部被动链轮之间的链条上固定设置有推进设备,减速齿轮将马达的动力输出至底部动力输出链轮,底部动力输出链轮的旋转运动通过链条传输至底部被动链轮、第一顶部被动链轮和第二顶部被动链轮。2. The feeding system of a large mining drilling rig according to claim 1, wherein the driving sprocket includes a bottom power output sprocket and a bottom driven sprocket, and the output end of the reduction gear is connected to the bottom power output The rotating shafts of the sprockets are connected, and the driven sprocket includes a first top driven sprocket and a second top driven sprocket, and the bottom power output sprocket, the bottom driven sprocket, the first top driven sprocket and the second top driven sprocket The outer meshing sleeve of the sprocket is provided with a chain, wherein the chain between the bottom power output sprocket and the second top driven sprocket is fixedly provided with a chain fixing seat fixed on the tower, and the bottom driven sprocket and the first top driven sprocket Propelling equipment is fixed on the chain between the sprockets, the reduction gear outputs the power of the motor to the bottom power output sprocket, and the rotation motion of the bottom power output sprocket is transmitted to the bottom passive sprocket, the first top passive sprocket through the chain and the second top driven sprocket. 3.根据权利要求1所述的一种大型矿用钻机的进给系统,其特征在于:所述塔架上设置有滑轨,所述滑架的上端和下端分别设置有导轨滑轮,所述导轨滑轮被限制在塔架的滑轨内滑动。3. The feed system of a large mining drilling rig according to claim 1, characterized in that: said tower is provided with slide rails, and the upper and lower ends of said carriage are respectively provided with guide rail pulleys, said The rail pulleys are constrained to slide within the slide rails of the tower. 4.根据权利要求1所述的一种大型矿用钻机的进给系统,其特征在于:所述推进设备为包括动力头安装座、动力头液压马达、动力头齿轮箱的动力总成,所述动力头安装座的两端分别与链条固定相连,所述动力头液压马达和动力头齿轮箱固定设置于动力头安装座上,所述动力头齿轮箱的下部连接钻杆。4. The feeding system of a large mining drilling rig according to claim 1, wherein the propulsion equipment is a power assembly comprising a power head mounting seat, a power head hydraulic motor, and a power head gear box, and the The two ends of the power head mounting seat are respectively fixedly connected with the chain, the power head hydraulic motor and the power head gearbox are fixedly arranged on the power head mounting seat, and the lower part of the power head gearbox is connected to the drill pipe.
CN201710540463.0A 2017-07-05 2017-07-05 A kind of feed system of large-scale mine drilling machine Active CN107083926B (en)

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萧其林: "露天矿用牙轮钻机加压提升机构的分析与设计(一)", 《矿山机械》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112252998A (en) * 2020-11-20 2021-01-22 安百拓(南京)建筑矿山设备有限公司 Novel oil cylinder pressurization lifting device for blast hole drilling machine
CN113371349A (en) * 2021-07-27 2021-09-10 北京卓石智控科技有限公司 Silo cleaning device with eccentric inlet
CN116727542A (en) * 2023-07-10 2023-09-12 济南二机床集团有限公司 Die buffering device with energy recycling function
CN116727542B (en) * 2023-07-10 2024-02-09 济南二机床集团有限公司 Die buffering device with energy recycling function

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