CN208727673U - A kind of ladle precrushing mechanism - Google Patents
A kind of ladle precrushing mechanism Download PDFInfo
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- CN208727673U CN208727673U CN201821004346.9U CN201821004346U CN208727673U CN 208727673 U CN208727673 U CN 208727673U CN 201821004346 U CN201821004346 U CN 201821004346U CN 208727673 U CN208727673 U CN 208727673U
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Abstract
The utility model relates to a kind of ladle precrushing mechanism, it is characterized in that it includes the ladle precrushing cutter (501) that front and back two is parallel transversely disposed and two groups of longitudinal secondary knife partitions (502) being located at over and under two ladle precrushing cutters (501), two groups of longitudinal secondary knife partitions (502) be located at two ladle precrushing cutters (501) left Duan Chu and right section at.A kind of ladle prebreaker of the utility model ladle precrushing mechanism assembling has precrushing ability strong, and occupied area is small, and work efficiency is high, the low advantage of failure rate.
Description
Technical field
The utility model relates to a kind of ladle precrushing mechanisms.
Background technique
With keeping updating for iron and steel smelting technology, steel enterprise smelts the converter used and electric furnace to the steel scrap in raw material
It requires to be continuously improved into furnace and fining, steel scrap compacting mass (hereinafter referred to as ladle) originally used is directly washed in a pan into furnace mode
It eliminates, bulk goods thin material steel scrap is again bulky.It therefore is currently that bulk goods thin material is required to add again by crusher with ladle
It can be into furnace after work.Instantly crusher is when being crushed, be limited to crusher ability itself and can not be to the steel of various specifications
Packet is directly broken, thus needs to carry out ladle the preliminary opposite fritter (referred to as " precrushing ") that is divided into before broken, then again
Into crusher, to guarantee the normal work of crusher and improve the efficiency of crusher.
Current precrushing technology on the market:
1, it is sheared, the disadvantage is that equipment volume is huge, is taken up a large area, low efficiency using reciprocating hydraulic, thrown
Provide at high cost, high failure rate etc..
It 2, is more to carry out forcing to unpack using excavator, the disadvantage of this method is: excavator component easily damages,
Efficiency is directly affected whether the consummation of labor intensity of operating staff height and personnel's technical ability, enterprises using the labor cost is high.
3, the other hydraulic system of conventional ladle prebreaker, usually single motor or the independent hydraulically controlled power of double motor open type
Source driving.Single motor open type independent power source driving cannot achieve the chopping of cutter shaft differential, and inefficiency, energy consumption are again high.Double motor
Although being able to achieve two cutter shaft differential choppings, since open system control element is more, electric logic control mode is more complex, therefore
Barrier rate is high, seriously affects the production capacity of equipment, and is not suitable for handling the big mass of color steel tile class.
Summary of the invention
Purpose of the utility model is to overcome the above-mentioned shortcomings and provide a kind of ladle precrushing mechanism, the one kind assembled with it
Ladle prebreaker precrushing ability is strong, and occupied area is small, and work efficiency is high, and failure rate is low.
Purpose of the utility model is realized as follows:
A kind of ladle precrushing mechanism include the ladle precrushing cutter that front and back two is parallel transversely disposed and be located at two steel
Two groups of longitudinal secondary knife partitions over and under packet precrushing cutter, it is pre- that two groups of longitudinal secondary knife partitions are located at two ladles
At the left Duan Chu of broken cutter and right section.
The ladle precrushing cutter includes the main shaft of lateral arrangement, and spacer sleeve is equipped with multiple operators on the active section of main shaft,
The dislocation angle between two neighboring operator on same root main shaft is consistent, is set on the main shaft between two neighboring operator
Spacer sleeve is set with left spacer sleeve on the main shaft of the operator left of left end, is set on the main shaft of the operator right of right end
Right septum set is set with bearing block, ladle precrushing knife on the main shaft of left spacer sleeve left and on the main shaft of right septum set right
The bearing block of tool is fixed on the left and right tank wall of ladle precrushing cabinet, is connected between main shaft and bearing block by bearing, bearing block
The main shaft in outside connects the power output end of speed changer by shaft coupling, and the power intake connection hydraulic motor of speed changer moves
Power output end.
One connecting flange is installed on the outside of shaft coupling；The rack left end and right end respectively forwardly and extend back simultaneously
And extension is provided with supporting table, the anti-torsion mechanism includes the antitorque support base, vertical antitorque arm and longitudinal direction of horizontal
Antitorque connector, antitorque connector includes small head end and stub end, and wherein stub end has an annular ring, annular ring and company
Acting flange is attached, and the antitorque support base is fixed in supporting table, and antitorque support base top surface and the lower end of antitorque arm are fixed
Connection, the upper end of antitorque arm is connect with the small head end of an immediate antitorque connector.
Every group of pair knife partition is that there are two the rectangular slab of upward semicircular opening, semicircular opening and ladle precrushing knives for tool
The middle spacer sleeve shape of tool is coincide.
The section of operator, which is centrosymmetric, arranges shape, operator construction section of the operator including middle part, in construction section of operating
The heart is provided with mounting hole, and the outside both ends for construction section of operating are symmetrically arranged with a pair of of rotating knife, and every a pair of rotating knife includes just
To rotating knife and reversely rotate knife；It rotates in the forward direction knife and reversely rotates the outer wall of knife positioned at using the center of mounting hole as the center of circle
Same arc section formed external arc on.
The first is preferred, and operator construction section includes the first arc-shaped edges being centrosymmetric along the center of hexagon mounting hole
And second arc-shaped edges, in the fan-shaped region that the center of hexagon mounting hole is located at the first arc-shaped edges and its center of circle is formed, hexagonal
In the fan-shaped region that the center of shape mounting hole is located at the second arc-shaped edges and its center of circle is formed, external arc corresponding to knife is rotated in the forward direction
Length be greater than reversely rotate knife corresponding to external arc length；
The wedge angle active section for rotating in the forward direction knife is formed by rotating in the forward direction knife straightway and rotating in the forward direction knife arc segment, forward direction rotation
Rotor straightway is bent inwards by rotating in the forward direction the corresponding external arc end of knife and is formed, and rotates in the forward direction knife arc segment and the second circular arc
It is connected between side by First Transition arc section；
The wedge angle active section for reversely rotating knife is formed by reverse rotation knife straightway and reverse rotation knife arc segment, reversed to revolve
Rotor straightway is bent inwards by the corresponding external arc end of reverse rotation knife and is formed, and reversely rotates knife arc segment and the first circular arc
It is connected between side by the second transition circle segmental arc；
The radius and radian of First Transition arc section are all larger than the radius and radian of the second transition circle segmental arc；Rotate in the forward direction knife
Length of straigh line, which is greater than, reversely rotates knife length of straigh line.
Second preferably, and operator construction section includes the third arc-shaped edges being centrosymmetric along the center of hexagon mounting hole
And the 4th arc-shaped edges, third arc-shaped edges and the 4th arc-shaped edges center of circle having the same and the center of circle are all hexagon mounting hole
Center, rotate in the forward direction external arc corresponding to knife length be equal to reversely rotate knife corresponding to external arc length；
The wedge angle active section of knife is rotated in the forward direction by rotating in the forward direction knife straight cuts section external arc corresponding with knife is rotated in the forward direction
It is formed, rotates in the forward direction knife straight cuts section and bent inwards by rotating in the forward direction the corresponding external arc end of knife and formed, rotate in the forward direction knife
It is connected between straight cuts section and third arc-shaped edges by third transition circle segmental arc；
The wedge angle active section of knife is reversely rotated by reverse rotation knife straight cuts section external arc corresponding with knife is reversely rotated
It is formed, reverse rotation knife straight cuts section is bent inwards by the corresponding external arc end of reverse rotation knife to be formed, and knife is reversely rotated
It is connected between tetra- arc-shaped edges of straight cuts Duan Yu by the 4th transition circle segmental arc；
The radius of third transition circle segmental arc and the 4th transition circle segmental arc is consistent, third transition circle segmental arc and the 4th transition
The radian of arc section is consistent, and it is consistent with the length of knife straight cuts section is reversely rotated to rotate in the forward direction knife straight cuts section.
A kind of movement of ladle prebreaker is driven by ladle prebreaker hydraulic control system, and the ladle prebreaker is hydraulic
Control system includes fuel tank, and fuel tank, which draws two, has mutually isostructural working connection, and slippage pump, the are disposed on working connection
One variable pump and the second variable pump, the first variable pump and the second variable pump structure having the same, the first variable pump and second
Variable pump all has two hydraulic oil outbound courses, and two hydraulic oil outbound courses of the first variable pump pass through first oil respectively
Road and second oil circuit connection to hydraulic motor the first oil inlet and the second oil inlet, on first oil circuit and second oil circuit
It is respectively arranged with the first trimmer valve and the second trimmer valve, first oil circuit and second in front of the first trimmer valve and the second trimmer valve
First pressure sensor and second pressure sensor are respectively arranged on branch oil circuit.
Compared with prior art, the utility model has the beneficial effects that
A kind of ladle prebreaker of the utility model solves the bottleneck of current ladle segmentation efficiency, greatly improves ladle cutting effect
Energy consumption is reduced while rate；Realize the preceding road precrushing process of crusher more simplified, it is safer.
1, using twin shaft opposite direction rotating, while mass to be split realization is torn and cuts acting；More shuttle segmentation efficiency mentions
High twice or more；
2, using hydraulic motor drive form, permanent torsion speed changing effect can be realized by hydraulic control, double-shaft counter-rotating is certainly
Such as, more motor-driven form has output height, the advantages such as torque is big, low noise, and low energy consumption；
3, it using the combination of coaxial double drive, synchronously control, solves long axis and causes torsion to be unevenly distributed because of unilateral side driving,
It is easy to appear off-axis phenomenon after overloading；
4, using Novel cutter structure, coaxial upper slitter and knife at 10 °~45 ° spiral positionings, can real-time multi-direction to steel
Packet is cut；
5, the arragement construction of twin shaft upper slitter adapts to the mass of current plurality of specifications, and it is lengthy and jumbled to solve conventional machine model, has
The realization a tractor serves several purposes of effect.
6, using coaxial Dual motor driven, the driving combination of four motor of twin shaft, it is bigger to tear the strength cut, and is more suitable for coloured silk
Tearing for the big mass of steel tiling is cut.Also two cutter shafts can be made to realize revolving speed adjust automatically according to stress difference at work.Using
The constant torque cut is torn in variable pump+fixed displacement motor speed control system with adjustable displacement guarantee at any time.
Therefore a kind of ladle prebreaker of the utility model ladle precrushing mechanism assembling has precrushing ability strong, occupied area
Small, work efficiency is high, the low advantage of failure rate.
Detailed description of the invention
Fig. 1 is a kind of ladle prebreaker front view.
Fig. 2 is a kind of ladle precrushing side view.
Fig. 3 is a kind of ladle prebreaker top view.
Fig. 4 is that a kind of ladle prebreaker removes the perspective view after material feeding box, feed box and part ladle precrushing cabinet.
Fig. 5 is a kind of ladle prebreaker explosive view.
Fig. 6 is the first ladle precrushing cutter perspective view.
Fig. 7 is the explosive view of Fig. 6.
Fig. 8 is first schematic diagram of operator of the first ladle precrushing cutter.
Fig. 9 is second schematic diagram of operator of the first ladle precrushing cutter.
Figure 10 is second of ladle precrushing cutter perspective view.
Figure 11 is the explosive view of Figure 10.
Figure 12 is first schematic diagram of operator of second of ladle precrushing cutter.
Figure 13 is second schematic diagram of operator of second of ladle precrushing cutter.
Figure 14 is anti-torsion mechanism stereoscopic schematic diagram.
Figure 15 is the explosive view of Figure 14.
Figure 16 is ladle prebreaker hydraulic control system schematic diagram.
Figure 17 is the schematic diagram of a working connection in left side in Figure 16.
Wherein:
Rack 100, supporting table 101
Ladle precrushing cabinet 200
Material feeding box 300
Feed box 400
Ladle precrushing mechanism 500, ladle precrushing cutter 501, main shaft 501.1, operator 501.2, operator construction section
501.2.1, the first arc-shaped edges 501.2.11, the second arc-shaped edges 501.2.12, third arc-shaped edges 501.2.13, the 4th arc-shaped edges
501.2.14, hexagon mounting hole 501.2.2, rotate in the forward direction knife 501.2.3, rotate in the forward direction knife straightway 501.2.31, forward direction
Rotating knife arc segment 501.2.32, knife straight cuts section 501.2.33 is rotated in the forward direction, knife 501.2.4 is reversely rotated, reversely rotates
Knife straightway 501.2.41, it reversely rotates knife arc segment 501.2.42, reversely rotate knife straight cuts section 501.2.43, the first mistake
Cross arc section 501.2.5, the second transition circle segmental arc 501.2.6, third transition circle segmental arc 501.2.7, the 4th transition circle segmental arc
501.2.8, middle spacer sleeve 501.3, left spacer sleeve 501.4, right septum set 501.5, bearing block 501.6, shaft coupling 501.7, change
Fast device 501.8, hydraulic motor 501.9, connecting flange 501.10, secondary knife partition 502
Anti-torsion mechanism 600, antitorque support base 601, antitorque arm 602, antitorque connector 603
Ladle prebreaker hydraulic control system 700, slippage pump 701, the first variable pump 702, the second variable pump 703, first
Trimmer valve 704, the second trimmer valve 705, first pressure sensor 706, second pressure sensor 707, first pressure control valve
708, second pressure control valve 709, the first proportion electro-magnet 710, the second proportion electro-magnet 711, first filter 712, second
Filter 713, fuel tank 714.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only invention a part of the embodiment, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, is fallen within the protection scope of the utility model.
Referring to attached drawing, the utility model relates to a kind of ladle prebreaker, it includes rack 100, is set in the rack 100
It is equipped with ladle precrushing cabinet 200, material feeding box 300 is provided with above ladle precrushing cabinet 200, is set below ladle precrushing cabinet 200
It is equipped with feed box 400, ladle precrushing therein mechanism 500, the ladle precrushing are arranged in the ladle precrushing cabinet 200
The left and right ends of mechanism 500 are fixed by multiple anti-torsion mechanisms 600, and anti-torsion mechanism 600 is fixed in rack 100.
A kind of ladle prebreaker further includes the ladle prebreaker hydraulic control system for driving ladle precrushing mechanism 500 to act
System 700.
100 left end of rack and right end respectively forwardly and extend back and extension are provided with supporting table 101, institute
The antitorque connector 603 of antitorque support base 601, vertical antitorque arm 602 and longitudinal direction that anti-torsion mechanism 600 includes horizontal is stated,
Antitorque connector 603 includes small head end and stub end, and wherein stub end has an annular ring, and annular ring is used for and connecting flange
501.10 are attached, and the antitorque support base 601 is fixed by bolts in supporting table 101, antitorque 601 top surface of support base
The lower end of engaging lug and antitorque arm 602 is bolted to connection, and the upper end of antitorque arm 602 passes through bolt and immediate one
The small head end of antitorque connector 603 connects；
The ladle precrushing cabinet 200 includes that all around four sides tank wall, ladle precrushing cabinet 200 are interior for ladle precrushing
Ladle is carried out precrushing operation by mechanism 500；
The material feeding box 300 is used to ladle being directed into ladle precrushing cabinet 200；
The ladle fragment that the feed box 400 is used to complete precrushing exports ladle precrushing cabinet 200；
Precrushing of the ladle precrushing mechanism 500 for the ladle in ladle precrushing cabinet 200；
Multiple anti-torsion mechanisms 600 are used for the antitorque stabilization when work of ladle precrushing mechanism 500.
Ladle precrushing mechanism 500 includes the ladle precrushing cutter 501 and be located at that front and back two is parallel transversely disposed
Two groups of longitudinal secondary knife partitions 502 over and under two ladle precrushing cutters 501, two groups of longitudinal secondary knife partitions 502 divide
It Wei Yu not be at the lateral dimension corresponding 1/3 and 2/3 of two ladle precrushing cutters 501；
The ladle precrushing cutter 501 includes the main shaft 501.1 of lateral arrangement, and the middle part section of main shaft 501.1 is hexagonal
Shape, two neighboring operator of the spacer sleeve dress there are six operator 501.2, on same root main shaft 501.1 on the active section of main shaft 501.1
Dislocation angle between 501.2 is 60 °, is set with middle spacer sleeve on the main shaft 501.1 between two neighboring operator 501.2
501.3, left spacer sleeve 501.4, the operator 501.2 of right end are set on the main shaft 501.1 of 501.2 left of operator of left end
Right septum set 501.5 is set on the main shaft 501.1 of right, on the main shaft 501.1 of left 501.4 left of spacer sleeve and right septum
It covers and is set with bearing block 501.6 on the main shaft 501.1 of 501.5 rights, pass through bearing between main shaft 501.1 and bearing block 501.6
The main shaft 501.1 of connection, 501.6 outside of bearing block connects the power output end of speed changer 501.8 by shaft coupling 501.7, becomes
The power output end of the power intake connection hydraulic motor 501.9 of fast device 501.8；The outside of shaft coupling 501.7 is equipped with one
A connecting flange 501.10；
The bearing block 501.6 of ladle precrushing cutter 501 is fixed on the left and right tank wall of ladle precrushing cabinet 200, every group of pair
Knife partition 502 is that there are two the rectangular slab of upward semicircular opening, the centres of semicircular opening and ladle precrushing cutter 501 for tool
501.3 shape of spacer is coincide, and during precrushing, the operator 501.2 of the movement of two ladle precrushing cutters 501 forms opposite fortune
Dynamic to carry out precrushing shearing to ladle, in addition the operator 501.2 of movement simultaneously and static secondary knife partition 502 form relative motion
Precrushing shearing is carried out to ladle, to realize multi-faceted precrushing shearing.
The section of operator 501.2, which is centrosymmetric, arranges shape, and operator 501.2 includes the operator construction section at middle part
501.2.1, that operates construction section 501.2.1 is provided centrally with hexagon mounting hole 501.2.2, operator construction section 501.2.1's
Outside both ends are symmetrically arranged with a pair of of rotating knife, and every a pair of rotating knife includes rotating in the forward direction knife 501.2.3 and reverse rotation
Knife 501.2.4；It rotates in the forward direction knife 501.2.3 and reversely rotates the outer wall of knife 501.2.4 positioned at hexagon mounting hole
501.2.2 center is in the external arc that the same arc section in the center of circle is formed；
The section form of operator 501.2 can select it is a variety of, below as preferably providing two kinds of embodiments:
Embodiment 1,
For certain operating condition, rotating forward for ladle precrushing cutter 501 is in the majority, i.e., it is main that operator 501.2, which rotates forward,
The case where working condition:
Operator construction section 501.2.1 includes the first circle being centrosymmetric along the center of hexagon mounting hole 501.2.2
The center of arc side 501.2.11 and the second arc-shaped edges 501.2.12, hexagon mounting hole 501.2.2 are located at the first arc-shaped edges
501.2.11 and its in the fan-shaped region of center of circle formation, the center of hexagon mounting hole 501.2.2 is located at the second arc-shaped edges
501.2.12 and its in the fan-shaped region of center of circle formation, the length for rotating in the forward direction external arc corresponding to knife 501.2.3 is greater than instead
To the length of external arc corresponding to rotating knife 501.2.4；
The wedge angle active section of knife 501.2.3 is rotated in the forward direction by rotating in the forward direction knife straightway 501.2.31 and rotating in the forward direction knife arc
Line segment 501.2.32 is formed, and rotates in the forward direction knife straightway 501.2.31 by rotating in the forward direction the corresponding external arc end knife 501.2.3
It bends inwards to be formed, rotate in the forward direction between knife arc segment 501.2.32 and the second arc-shaped edges 501.2.12 through First Transition circular arc
Section 501.2.5 connection, the radius of First Transition arc section 501.2.5 are 9.9mm, and radian is 144 °, rotate in the forward direction knife straightway
501.2.31 length is 21mm；
The wedge angle active section of knife 501.2.4 is reversely rotated by reverse rotation knife straightway 501.2.41 and reversely rotates knife arc
Line segment 501.2.42 is formed, and reversely rotates knife straightway 501.2.41 by the corresponding external arc end reverse rotation knife 501.2.4
It bends inwards to be formed, reversely rotates and pass through the second transition arc between knife arc segment 501.2.42 and the first arc-shaped edges 501.2.11
Section 501.2.6 connection, the radius of the second transition circle segmental arc 501.2.6 are 6.6mm, and radian is 135 °, reversely rotate knife straightway
501.2.41 length is 19mm；
The radius and radian of First Transition arc section 501.2.5 be all larger than the second transition circle segmental arc 501.2.6 radius and
Radian；It rotates in the forward direction knife straightway 501.2.31 length and is greater than reverse rotation knife straightway 501.2.41 length.
Embodiment 2,
For certain operating condition, ladle precrushing cutter 501 to rotate forward and rotate backward number similar, that is, operate
501.2 rotate forward and rotate backward the case where being prevailing operating state:
Operator construction section 501.2.1 includes the third circle being centrosymmetric along the center of hexagon mounting hole 501.2.2
Arc side 501.2.13 and the 4th arc-shaped edges 501.2.14, third arc-shaped edges 501.2.13 and the 4th arc-shaped edges 501.2.14 tool
There is the identical center of circle and the center of circle is all the center of hexagon mounting hole 501.2.2, rotates in the forward direction outer corresponding to knife 501.2.3
The length of circular arc is equal to the length for reversely rotating external arc corresponding to knife 501.2.4；
The wedge angle active section of knife 501.2.3 is rotated in the forward direction by rotating in the forward direction knife straight cuts section 501.2.33 and rotating in the forward direction
The corresponding external arc of knife 501.2.3 is formed, and it is corresponding by rotating in the forward direction knife 501.2.3 to rotate in the forward direction knife straight cuts section 501.2.33
External arc end bend inwards to be formed, rotate in the forward direction between knife straight cuts section 501.2.33 and third arc-shaped edges 501.2.13
Pass through the 501.2.7 connection of third transition circle segmental arc；
The wedge angle active section of knife 501.2.4 is reversely rotated by reverse rotation knife straight cuts section 501.2.43 and reverse rotation
The corresponding external arc of knife 501.2.4 is formed, and it is corresponding by reverse rotation knife 501.2.4 to reversely rotate knife straight cuts section 501.2.43
External arc end bend inwards to be formed, reversely rotate knife straight cuts section 501.2.43 and the 4th arc-shaped edges 501.2.14 between
Pass through the 4th transition circle segmental arc 501.2.8 connection；
The radius of third transition circle segmental arc 501.2.7 and the 4th transition circle segmental arc 501.2.8 are unanimously 33mm, third
The radian of transition circle segmental arc 501.2.7 and the 4th transition circle segmental arc 501.2.8 are unanimously 111 °, rotate in the forward direction knife straight line and cut
It is 22mm that it is consistent with the length of knife straight cuts section 501.2.43 is reversely rotated, which to cut section 501.2.33,.
The ladle prebreaker hydraulic control system 700 includes fuel tank 714, and fuel tank 714, which draws two, has identical knot
The working connection of structure is disposed with slippage pump 701, the first variable pump 702 and the second variable pump 703 on working connection, and first becomes
Amount pump 702 and the structure having the same of the second variable pump 703, the first variable pump 702 and the second variable pump 703 all have two liquid
Two hydraulic oil outbound courses of pressure oil outbound course, the first variable pump 702 pass through first oil circuit and second oil circuit respectively
It is connected to the first oil inlet and the second oil inlet of hydraulic motor 501.9, is respectively set on first oil circuit and second oil circuit
Have the first trimmer valve 704 and the second trimmer valve 705, first oil circuit in 705 front of the first trimmer valve 704 and the second trimmer valve and
It is respectively arranged with first pressure sensor 706 and second pressure sensor 707 on second oil circuit,
First variable pump 702 and the second variable pump 703 are separately connected first pressure control valve 708 and second pressure control valve
709, so that the setting discharge capacity of the pump of the first variable pump 702 and the second variable pump 703 passes through first pressure control valve respectively
708 and second pressure control valve 709 set,
The discharge capacity of the pump of first variable pump 702 and the second variable pump 703 passes through the first proportion electro-magnet 710 and second respectively
Proportion electro-magnet 711 is controlled；The magnitude of current of proportion electro-magnet and the linear positive correlation of the discharge capacity of pump；
712 He of first filter is respectively arranged on the working connection in the front of the first variable pump 702 and the second variable pump 703
Second filter 713 is respectively filtered the hydraulic oil of entering variable pump.
The working principle of ladle prebreaker hydraulic control system 700:
The oil of fuel tank 714 is delivered in the first variable pump 702 and the second variable pump 703 by slippage pump 701, then root
Hydraulic oil is fed hydraulic motor 501.9 by the outbound course of the first variable pump 702 and the second variable pump 703 when accordingly, real
The rotation of existing ladle precrushing cutter 501, starts the operation of ladle precrushing；
When hydraulic oil is supplied to the first oil inlet of hydraulic motor 501.9, the power output of hydraulic motor 501.9 is rectified
To rotation to drive rotating forward for ladle precrushing cutter 501, knife 501.2.3 is rotated in the forward direction as working face and carries out precrushing work
Industry, when hydraulic oil is supplied to the second oil inlet of hydraulic motor 501.9, the power output end of hydraulic motor 501.9 reversely turns
It moves to drive rotating backward for ladle precrushing cutter 501, reversely rotates knife 501.2.4 as working face and carry out precrushing operation；
Preset before booting hydraulic motor 501.9 rotate forward with counter-rotational internal pressure, when first pressure
Force snesor 706 and second pressure sensor 707 detect the pressure of current branch oil circuit beyond first pressure control valve 708 and the
After the specified plussage of the setting pressure of two pressure-control valves 709, the first proportion electro-magnet 710 and the second proportion electro-magnet 711
Start to act, the outbound course of the hydraulic oil of the first variable pump 702 and the second variable pump 703 is adjusted, to realize hydraulic motor
501.9 commutation rotations, oil circuit reduce internal pressure, and while trouble free service, the commutation of ladle precrushing cutter 501, which rotates, to be continued
Realize the precrushing operation of ladle.
The above is only the specific application examples of the utility model, do not constitute any limit to the protection scope of the utility model
System.Any technical scheme formed by adopting equivalent transformation or equivalent replacement, all fall within the utility model rights protection scope it
It is interior.
Claims (7)
1. a kind of ladle precrushing mechanism, it is characterised in that it includes the ladle precrushing cutter that front and back two is parallel transversely disposed
(501) the secondary knife partitions (502) of two groups of longitudinal directions and over and under two ladle precrushing cutters (501), two groups vertical
To secondary knife partition (502) be located at two ladle precrushing cutters (501) left Duan Chu and right section at.
2. a kind of ladle precrushing mechanism according to claim 1, it is characterised in that the ladle precrushing cutter (501) includes
The main shaft (501.1) of lateral arrangement, spacer sleeve is equipped with multiple operators (501.2), same root master on the active section of main shaft (501.1)
The dislocation angle between two neighboring operator (501.2) on axis (501.1) is consistent, between two neighboring operator (501.2)
It is set on main shaft (501.1) middle spacer sleeve (501.3), is set on the main shaft (501.1) of operator (501.2) left of left end
Have left spacer sleeve (501.4), is set with right septum set on the main shaft (501.1) of operator (501.2) right of right end
(501.5), the main shaft of on the main shaft (501.1) of left spacer sleeve (501.4) left and right septum set (501.5) right
(501.1) it is set on bearing block (501.6), the bearing block (501.6) of ladle precrushing cutter (501) is fixed on ladle precrushing case
On the left and right tank wall of body (200), connected between main shaft (501.1) and bearing block (501.6) by bearing, bearing block (501.6)
Power output end of the main shaft (501.1) in outside by shaft coupling (501.7) connection speed changer (501.8), speed changer (501.8)
Power intake connection hydraulic motor (501.9) power output end.
3. a kind of ladle precrushing mechanism according to claim 2, it is characterised in that every group of pair knife partition be tool there are two to
On semicircular opening rectangular slab, the middle spacer sleeve shape of semicircular opening and ladle precrushing cutter coincide.
4. a kind of ladle precrushing mechanism according to claim 2, it is characterised in that the section of operator (501.2) is in center pair
Claim arrangement shape, operator (501.2) includes the operator construction section (501.2.1) at middle part, the center of operator construction section (501.2.1)
It is provided with mounting hole (501.2.2), the outside both ends of operator construction section (501.2.1) are symmetrically arranged with a pair of of rotating knife, each
It include rotating in the forward direction knife (501.2.3) and reversely rotating knife (501.2.4) to rotating knife；Rotate in the forward direction knife (501.2.3)
And the outer wall of knife (501.2.4) is reversely rotated positioned at using the center of mounting hole (501.2.2) as the same arc section shape in the center of circle
At external arc on.
5. a kind of ladle precrushing mechanism according to claim 4, it is characterised in that operator construction section (501.2.1) includes edge
Center the first arc-shaped edges (501.2.11) and the second arc-shaped edges that are centrosymmetric of hexagon mounting hole (501.2.2)
(501.2.12), the center of hexagon mounting hole (501.2.2) are located at what the first arc-shaped edges (501.2.11) and its center of circle were formed
In fan-shaped region, the center of hexagon mounting hole (501.2.2) is located at what the second arc-shaped edges (501.2.12) and its center of circle were formed
In fan-shaped region, the length for rotating in the forward direction external arc corresponding to knife (501.2.3) is right greater than knife (501.2.4) institute is reversely rotated
The length for the external arc answered；
The wedge angle active section of knife (501.2.3) is rotated in the forward direction by rotating in the forward direction knife straightway (501.2.31) and rotating in the forward direction knife arc
Line segment (501.2.32) formation, rotates in the forward direction knife straightway (501.2.31) by rotating in the forward direction the corresponding outer circle of knife (501.2.3)
Arc end bends inwards to be formed, and rotates in the forward direction between knife arc segment (501.2.32) and the second arc-shaped edges (501.2.12) by the
One transition circle segmental arc (501.2.5) connection；
The wedge angle active section of knife (501.2.4) is reversely rotated by reverse rotation knife straightway (501.2.41) and reversely rotates knife arc
Line segment (501.2.42) formation reversely rotates knife straightway (501.2.41) by the corresponding outer circle of reverse rotation knife (501.2.4)
Arc end bends inwards to be formed, and reversely rotates and passes through the between knife arc segment (501.2.42) and the first arc-shaped edges (501.2.11)
Two transition circle segmental arcs (501.2.6) connection；
The radius and radian of First Transition arc section (501.2.5) be all larger than the second transition circle segmental arc (501.2.6) radius and
Radian；It rotates in the forward direction knife straightway (501.2.31) length and is greater than reverse rotation knife straightway (501.2.41) length.
6. a kind of ladle precrushing mechanism according to claim 4, it is characterised in that operator construction section (501.2.1) includes edge
Center the third arc-shaped edges (501.2.13) and the 4th arc-shaped edges that are centrosymmetric of hexagon mounting hole (501.2.2)
(501.2.14), third arc-shaped edges (501.2.13) and the 4th arc-shaped edges (501.2.14) center of circle having the same and the center of circle
It is all the center of hexagon mounting hole (501.2.2), the length for rotating in the forward direction external arc corresponding to knife (501.2.3) is equal to instead
To the length of external arc corresponding to rotating knife (501.2.4)；
The wedge angle active section of knife (501.2.3) is rotated in the forward direction by rotating in the forward direction knife straight cuts section (501.2.33) and rotating in the forward direction
The corresponding external arc of knife (501.2.3) is formed, and rotates in the forward direction knife straight cuts section (501.2.33) by rotating in the forward direction knife
The corresponding external arc end (501.2.3) bends inwards to be formed, and rotates in the forward direction knife straight cuts section (501.2.33) and third circle
It is connected between arc side (501.2.13) by third transition circle segmental arc (501.2.7)；
The wedge angle active section of knife (501.2.4) is reversely rotated by reverse rotation knife straight cuts section (501.2.43) and is reversely rotated
The corresponding external arc of knife (501.2.4) is formed, and reversely rotates knife straight cuts section (501.2.43) by reverse rotation knife
The corresponding external arc end (501.2.4) bends inwards to be formed, and reversely rotates knife straight cuts section (501.2.43) and the 4th circle
It is connected between arc side (501.2.14) by the 4th transition circle segmental arc (501.2.8)；
The radius of third transition circle segmental arc (501.2.7) and the 4th transition circle segmental arc (501.2.8) is consistent, third transition arc
The radian of section (501.2.7) and the 4th transition circle segmental arc (501.2.8) is consistent, rotates in the forward direction knife straight cuts section
(501.2.33) is consistent with the length of knife straight cuts section (501.2.43) is reversely rotated.
7. a kind of ladle precrushing mechanism according to claim 1, it is characterised in that its movement is hydraulic by ladle prebreaker
Control system (700) driving, the ladle prebreaker hydraulic control system (700) includes fuel tank (714), and fuel tank (714) draws
Two have mutually isostructural working connection out, be disposed on working connection slippage pump (701), the first variable pump (702) and
Second variable pump (703), the first variable pump (702) and the second variable pump (703) structure having the same, the first variable pump
(702) and the second variable pump (703) all has two hydraulic oil outbound courses, and two hydraulic oil of the first variable pump (702) are defeated
Out direction pass through respectively first oil circuit and second oil circuit connection to hydraulic motor (501.9) the first oil inlet and second into
It is respectively arranged with the first trimmer valve (704) and the second trimmer valve (705) on hydraulic fluid port, first oil circuit and second oil circuit, first
First pressure is respectively arranged on first oil circuit and second oil circuit in front of trimmer valve (704) and the second trimmer valve (705)
Sensor (706) and second pressure sensor (707).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821004346.9U CN208727673U (en) | 2018-06-27 | 2018-06-27 | A kind of ladle precrushing mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821004346.9U CN208727673U (en) | 2018-06-27 | 2018-06-27 | A kind of ladle precrushing mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108654791A (en) * | 2018-06-27 | 2018-10-16 | 江阴双马重工装备有限公司 | A kind of ladle precrushing mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108654791A (en) * | 2018-06-27 | 2018-10-16 | 江阴双马重工装备有限公司 | A kind of ladle precrushing mechanism |
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