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.