High-frequency breaking hammer list motor breaker
Technical field
The utility model relates to a kind of high-frequency breaking hammer, relates in particular to a kind of high-frequency breaking hammer list motor breaker.
Background technology
Quartering hammer is the physics disintegrating apparatus that integrates mechanical-hydraulic mechanics and data signal, digital monitoring, and the cutter tooth of quartering hammer can produce impulsive force to object under the effect of vibrator, and then realizes broken.General quartering hammer is to be rotated by hydraulic motor band movable eccentric wheel, and then producing centrifugal force F, its vertical component Fsinwt is periodically variable perturbed force, makes axle produce the pressure of radially forced vibration, be called exciting force, then by the casing of vibrator, vibration passed to cutter tooth and carry out fragmentation.
Although existing vibrator can prevent cracking hammer head occurred level skew in one direction, but it still may be offset by occurred level in other any direction, this will make broken position cannot be accurate to a little, cannot be in the situation that not wishing to change broken center the fixed broken center of repeated stock, but also can cut down the vibrational energy in broken direction, reduce broken effect.
And, existing quartering hammer is under long-term fragmentation and the state that runs up, for bearing that power transmission shaft both sides are installed at high temperature and fuel feeding inhomogeneous in the situation that, easily damage, need to change it, because quartering hammer casing is larger, change comparatively complexity, produce impact to normal broken work.
Utility model content
The purpose of this utility model is to solve the problems of the prior art, provides that a kind of crushing efficiency is high, cracking hammer head can rotate arbitrarily, bearing circulation fuel feeding prevents the high-frequency breaking hammer list motor breaker that it weares and teares at short notice.
The technical solution of the utility model is: a kind of high-frequency breaking hammer list motor breaker, comprise vibrator, quadric chain, vibration absorber and vibrations blade row, described vibrator is arranged on the top of vibrations blade row, described quadric chain and described oscillating knife row hinge connect, and described vibration absorber is arranged on the upper surface of vibrations blade row erecting bed; Described vibrator comprises housing, driving shaft and the driven shaft engaging with it, is arranged with the first eccentric wheel on driving shaft, and the CD-ROM drive motor joining with driving shaft transmission is installed in its one end; On described driven shaft, be arranged with the second eccentric wheel, the central axis of described driving shaft and driven shaft is positioned in same level; The axle two ends of described driving shaft and driven shaft are arranged with bearing, and described bearing is arranged in the self-lubricating bearing cover of housing both sides setting.
Preferably, described self-lubricating bearing cover comprises end cap and flange, described flange is arranged on described end cap, described end cap is circumferentially provided with multiple installing holes, be provided with at least one bar-shaped trough at the inwall of described flange, described bar-shaped trough is offered along the axial direction of flange, offers the fuel feed hole that at least one runs through described inwall in described bar-shaped trough.
Preferably, described bar-shaped trough is four, between adjacent bar groove along flange inner wall interval 90 ° be circumferentially symmetrical arranged.
Preferably, in the bar-shaped trough that wherein two are oppositely arranged, offer fuel feed hole.
Preferably, described bar-shaped trough extends to the other end along one end of flange inner wall.
Preferably, described fuel feed hole is positioned at the port near flange.
Preferably, bucket tooth and blade row are drawn together in described oscillating knife package, and described bucket tooth is arranged on the head end of described blade row, be provided with the stress paralleling with described blade row edge and decompose hole on described blade row.
Preferably, it is into a single integrated structure with it that described vibrator is welded in the top of described vibrations blade row.
Preferably, described quadric chain comprises upper connecting rod detent mechanism and lower link detent mechanism, and described upper connecting rod detent mechanism is hinged on the top of vibrations blade row, and lower link detent mechanism is hinged on the below of vibrator.
Preferably, described vibration absorber is air spring, and described air spring comprises rubber pneumatic bag and helical spring, and helical spring is placed in described rubber pneumatic bag inside.
The utility model can carry out fragmentation to any angle by pull bar detent mechanism, broken precision is high, noise is little, breaking capacity is strong, and be provided with air spring on the axis of vibrations blade row, make acceleration three power of vibration force, gravity, air spring overlap the scope of operation that makes bucket tooth act on bucket tooth, the breaking capacity that has greatly increased vibrations blade rows by the stack of above-mentioned three power, has preferably vibration damping and energy-saving effect; The stress arranging on blade row decomposes hole and has the effect of decomposing stress, thereby has extended the service life of whole vibrations blade row.
And the utility model offers multiple bar-shaped troughs at the inwall of bearing cap flange, this bar-shaped trough is offered along the axial direction of flange, and in bar-shaped trough, offer the fuel feed hole that runs through inwall, make bearing rotate time its in lubricating oil in fuel feed hole, pass in and out, make bearing continuous fuel feeding in the running, reach the object that sufficient lubrication evenly oils, thereby improve the service life of bearing, take away through continuous Rapid Circulation lubricating oil flow the heat being produced by bearing high-speed rotation simultaneously, thereby reach cooling object.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 1 a is vibrator internal drive structural representation in the utility model;
Fig. 2 is the overall structure schematic diagram of self-lubricating bearing lid in the utility model;
Fig. 3 is the stereogram of self-lubricating bearing lid in the utility model;
Fig. 4 installs the schematic diagram after rotating shaft when self-lubricating bearing lid uses in the utility model;
Fig. 5 is the schematic diagram after setting-up eccentricity wheel when self-lubricating bearing lid uses in the utility model.
The specific embodiment
For technological means, technical characterictic, utility model object and technique effect that the utility model is realized are easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 1: a kind of high-frequency breaking hammer list motor breaker, comprise vibrator 100, quadric chain 200, vibration absorber 300 and the vibrations blade row 400 being formed by blade row 401 and bucket tooth 402, vibrator 100 is arranged on the top of vibrations blade row 400, both welded moulding.
Quadric chain 200 is hinged with vibrations blade row 400, quadric chain 200 of the present utility model comprises upper connecting rod detent mechanism 201 and lower link detent mechanism 202, upper connecting rod detent mechanism 201 is hinged on the top of vibrations blade row 400, and lower link detent mechanism 202 is hinged on vibrator 100 and stress decomposes between hole 411.The external digging machine mechanical arm of quadric chain 200, by the movement locus of digging machine mechanical arm, thereby changes direction of the present utility model and position.
Vibrations blade row 400 be cracking hammer head, and cracking hammer head is that pyramidal structure or its cross section are the pointed structure of inverted triangle, and the shape of this vibrations blade row 400 is not limited to above-mentioned lifted type, can be also taper shape, the tabular shape accordingly such as pointed; Bucket tooth 402 is arranged on the head end of blade row 401, on described blade row 401, be provided with the stress paralleling with described blade row 401 outward flanges and decompose hole 411, decompose hole 411 by stress and can decompose the stress being born by whole vibrations blade row 400, extend the service life of vibrations blade rows 400, and strengthened the crushing force of vibrations blade rows 400.
As shown in Figure 1a, it is into a single integrated structure with it that vibrator 100 is welded in a side of described vibrations blade row 400, vibrator 100 comprises housing 101, driving shaft 102 and driven shaft 103, on driving shaft 102, be arranged with the first eccentric wheel 1021 and the first gear 1022, the CD-ROM drive motor 1023 joining with driving shaft transmission is installed in its one end; On driven shaft 103, be arranged with the second eccentric wheel 1031 and the second gear 1032, the central axis of driving shaft 102 and driven shaft 103 is positioned in same level.
CD-ROM drive motor 1023 is hydraulic motor, drives driving shaft 102 to rotate, and is engaged with the second gear 1032 and driven driven shaft 103 by the first gear 1022.Axle two ends at driving shaft 102 and driven shaft 103 are arranged with bearing 300, and bearing 300 is arranged in the self-lubricating bearing cover 10 of housing both sides setting.
Quadric chain 200 comprises upper connecting rod detent mechanism 201 and lower link detent mechanism 202, and upper connecting rod detent mechanism 201 is articulated with the top of vibrations blade row 400, and lower link detent mechanism 202 is articulated with vibrator 100 and stress decomposes between hole 411.
Erecting bed 403, by the outstanding circular portion of described vibrations blade row 400 1 sides, is positioned on the axis of whole vibrations blade row 400; Vibration absorber 300 is air spring, air spring is by the upper surface of bolt erecting bed 403, air spring comprises rubber pneumatic bag 431 and helical spring (not shown), helical spring is placed in the inside of rubber pneumatic bag 431, rubber pneumatic bag 431 is arranged on the upper surface of erecting bed 403 by bolt, acceleration three power of the vibration force by hydraulic power and corresponding gravity, air spring overlap the scope of operation that makes cutter tooth act on bucket tooth 402, have greatly increased the breaking capacity of vibrations blade rows by the stack of above-mentioned three power.
The utility model can carry out fragmentation to any angle by pull bar detent mechanism, broken precision is high, noise is little, breaking capacity is strong, and be provided with air spring on the axis of vibrations blade row, make acceleration three power of vibration force, gravity, air spring overlap the scope of operation that makes bucket tooth act on bucket tooth, the breaking capacity that has greatly increased vibrations blade rows by the stack of above-mentioned three power, has preferably vibration damping and energy-saving effect; The stress arranging on blade row decomposes hole and has the effect of decomposing stress, thereby has extended the service life of whole vibrations blade row.
Be high-frequency breaking hammer self-lubricating bearing lid 10 of the present utility model as shown in Figure 2 and Figure 3, comprise end cap 500 and flange 600, an in axial direction outstanding collar flange 600 is set on the inner surface 501 of end cap 500, this flange 600 is interior hollow.Multiple by installing hole fixing this end cap 500 502 being circumferentially provided with of end cap 500.
On the inwall 601 of flange 600, be provided with at least one bar-shaped trough 602, in the utility model, describe with four bar-shaped troughs 602, bar-shaped trough 602 is offered along the axial direction of flange 600, in bar-shaped trough 602, offer the fuel feed hole 603 that at least one runs through described inwall 601, this fuel feed hole 603 makes the inside and outside connection of inwall 601, so that lubrication oil circulation turnover.
Four bar-shaped troughs 602 of the present utility model, bar-shaped trough 602 extends to the other end along inwall one end of flange 600; Between its adjacent bar groove 602 along inwall 601 interval of flange 600 90 ° be circumferentially symmetrical arranged, wherein in two bar-shaped troughs that are oppositely arranged 602, offer fuel feed hole 603, this fuel feed hole 603 is positioned at the port near flange 600, relative with the periphery of bearing 700 when mounted, to make bearing 700 state of fuel feeding always.
As Fig. 4 and Fig. 5, for concrete enforcement figure of the present utility model, at the two ends of rotating shaft 800, bearing 700 is installed, bearing 700 is arranged in the flange 600 of self-lubricating bearing lid 10, bearing cap 10 of the present utility model is arranged on the body of quartering hammer, and with its formation confined space.
The gear 802 that is arranged with eccentric wheel 801 and joins with eccentric wheel 801 in rotating shaft 800, in the time that gear 802 obtains exterior power, drive whole rotating shaft 800 to rotate, lubricating oil at the process middle (center) bearing 700 rotating oils to flange outer wall by fuel feed hole 603, then flow in bearing 700 from another one fuel feed hole 603, make bearing 700 continuous fuel feeding in the running, its sufficient lubrication is evenly oiled, improve the service life of bearing 700, take away through continuous Rapid Circulation lubricating oil flow the heat being produced by bearing high-speed rotation simultaneously, thereby reach cooling object.
The utility model is offered multiple bar-shaped troughs at the inwall of bearing cap flange, this bar-shaped trough is offered along the axial direction of flange, and in bar-shaped trough, offer the fuel feed hole that runs through inwall, make bearing rotate time its in lubricating oil in fuel feed hole, pass in and out, make bearing continuous fuel feeding in the running, reach the object that sufficient lubrication evenly oils, thereby improve the service life of bearing, take away through continuous Rapid Circulation lubricating oil flow the heat being produced by bearing high-speed rotation simultaneously, thereby reach cooling object.
Be only the utility model preferred embodiment in sum, be not used for limiting practical range of the present utility model.Be that all equivalences of doing according to the content of the utility model claim change and modify, all should belong to technology category of the present utility model.