CN108654789A - A kind of ladle prebreaker hydraulic control system - Google Patents
A kind of ladle prebreaker hydraulic control system Download PDFInfo
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- CN108654789A CN108654789A CN201810675243.3A CN201810675243A CN108654789A CN 108654789 A CN108654789 A CN 108654789A CN 201810675243 A CN201810675243 A CN 201810675243A CN 108654789 A CN108654789 A CN 108654789A
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- knife
- arc
- ladle
- forward direction
- variable pump
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- 239000003921 oil Substances 0.000 claims abstract description 38
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 11
- 239000002828 fuel tank Substances 0.000 claims abstract description 10
- 230000007704 transition Effects 0.000 claims description 35
- 230000007246 mechanism Effects 0.000 claims description 18
- 238000010276 construction Methods 0.000 claims description 16
- 125000006850 spacer group Chemical group 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000002360 explosive Substances 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 241001417490 Sillaginidae Species 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
- B02C18/142—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with two or more inter-engaging rotatable cutter assemblies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
- B02C18/145—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with knives spaced axially and circumferentially on the periphery of a cylindrical rotor unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/18—Knives; Mountings thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/24—Drives
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
A kind of ladle prebreaker hydraulic control system of the present invention, including fuel tank, fuel tank, which draws two, has mutually isostructural working connection, slippage pump is disposed on working connection, first variable pump and the second variable pump, first variable pump and the second variable pump structure having the same, first variable pump and the second variable pump all have two hydraulic oil outbound courses, two hydraulic oil outbound courses of the first variable pump pass through the first oil inlet and the second oil inlet of first oil circuit and second oil circuit connection to hydraulic motor respectively, it is respectively arranged with the first trimmer valve and the second trimmer valve on first oil circuit and second oil circuit, it is respectively arranged with first pressure sensor and second pressure sensor on first oil circuit and second oil circuit in front of first trimmer valve and the second trimmer valve.A kind of ladle prebreaker of ladle prebreaker hydraulic control system assembling of the present invention has precrushing ability strong, and floor space is small, and work efficiency is high, the low advantage of failure rate.
Description
Technical field
The present invention relates to a kind of ladle prebreaker hydraulic control systems.
Background technology
It regenerates with the continuous renewal of iron and steel smelting technology, steel enterprise smelts the converter used with electric furnace to the steel scrap in raw material
It requires to be continuously improved into stove and fining, the steel scrap compacting mass (hereinafter referred to as ladle) originally used is directly washed in a pan into stove mode
It eliminates, bulk goods thin material steel scrap is again bulky.Therefore it is currently that bulk goods thin material is required to again add by crusher with ladle
It can be into stove after work.Instantly crusher is when carrying out broken, be limited to crusher ability itself and can not be to the steel of various specifications
Packet is directly broken, thus needs the be divided into opposite fritter (referred to as " precrushing ") preliminary to ladle progress before broken, then again
Into crusher, to ensure the normal work of crusher and improve the efficiency of crusher.
Precrushing technology on the market at present：
1, it is sheared using reciprocating hydraulic, the disadvantage is that equipment volume is huge, is taken up a large area, efficiency is low, throws
Provide of high cost, high failure rate etc..
2, it 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 drives.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 two cutter shaft differential choppings can be realized, 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.
Invention content
The purpose of the present invention is to overcome the above shortcomings and to provide a kind of ladle prebreaker hydraulic control systems, are assembled with it
Ladle prebreaker precrushing ability it is strong, floor space is small, and work efficiency is high, and failure rate is low.
The object of the present invention is achieved like this：
A kind of ladle prebreaker hydraulic control system, including fuel tank, fuel tank, which draws two, has mutually isostructural working connection,
Slippage pump, the first variable pump and the second variable pump are disposed on working connection, the first variable pump and the second variable pump have
Identical structure, the first variable pump and the second variable pump all have two hydraulic oil outbound courses, two liquid of the first variable pump
Pressure oil outbound course respectively by the first oil inlet of first oil circuit and second oil circuit connection to hydraulic motor and second into
The first trimmer valve and the second trimmer valve, the first trimmer valve and are respectively arranged on hydraulic fluid port, first oil circuit and second oil circuit
First pressure sensor and second pressure sensing are respectively arranged on first oil circuit and second oil circuit in front of two trimmer valves
Device.
First variable pump and the second variable pump are separately connected first pressure control valve and second pressure control valve.
The discharge capacity of the pump of first variable pump and the second variable pump passes through the first proportion electro-magnet and the second ratio electromagnetism respectively
Iron is controlled.
First filter and the second filtering are respectively arranged on the working connection in the front of the first variable pump and the second variable pump
Device.
Ladle prebreaker hydraulic control system is for driving ladle precrushing mechanism action；
Ladle precrushing mechanism include the front and back two ladle precrushing cutters being parallel transversely disposed and be located at two steel
The two groups of longitudinal secondary knife partition boards of packet precrushing cutter over and under, it is pre- that two groups of longitudinal secondary knife partition boards 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, in being 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 babinet, is connected by bearing between main shaft and bearing block, 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.
The section of operator is centrosymmetric arrangement shape, and operator includes the operator construction section at 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, includes just per a pair of rotating knife
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 sector 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 sector region that the center of shape mounting hole is located at the second arc-shaped edges and its center of circle is formed, the external arc corresponding to knife is rotated in the forward direction
Length be more 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 by First Transition arc section between side；
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 by the second transition circle segmental arc between side；
The radius and radian of First Transition arc section are all higher than the radius and radian of the second transition circle segmental arc；Rotate in the forward direction knife
Length of straigh line, which is more 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 the 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 by third transition circle segmental arc between straight cuts section and third arc-shaped edges；
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 by the 4th transition circle segmental arc between tetra- arc-shaped edges of straight cuts Duan Yu；
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.
Compared with prior art, the beneficial effects of the invention are as follows：
A kind of ladle prebreaker of the present invention solves the bottleneck of current ladle segmentation efficiency, greatly improves ladle cutting efficiency
Reduce energy consumption simultaneously；The preceding road precrushing process of crusher is set to realize 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 carries
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, synchronous control, solves long axis and causes torsion to be unevenly distributed because unilateral side drives,
It is susceptible to 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 arrangement 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 tears the strength bigger cut, 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 rotating 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 ladle prebreaker hydraulic control system assembling of the present invention has precrushing ability strong, accounts for
Ground area is small, and work efficiency is high, the low advantage of failure rate.
Description of the drawings
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 vertical view.
Fig. 4 is that a kind of ladle prebreaker removes the stereogram after material feeding box, feed box and part ladle precrushing babinet.
Fig. 5 is a kind of ladle prebreaker explosive view.
Fig. 6 is the first ladle precrushing cutter stereogram.
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 stereogram.
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 babinet 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 board 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 implementation mode
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 describes, 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, shall fall within the protection scope of the present invention.
Referring to attached drawing, a kind of ladle prebreaker of the present invention, it includes rack 100, is provided in the rack 100
Ladle precrushing babinet 200,200 top of ladle precrushing babinet are provided with material feeding box 300, and 200 lower section of ladle precrushing babinet is provided with
Feed box 400 is arranged in ladle precrushing therein mechanism 500, ladle precrushing mechanism in the ladle precrushing babinet 200
500 left and right ends 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 the 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 there are one annular rings for stub end tool, and annular ring is used for and connecting flange
501.10 are attached, and the antitorque support base 601 is secured by bolts in supporting table 101,601 top surface of antitorque 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 babinet 200 includes that all around four sides tank wall, ladle precrushing babinet 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 babinet 200；
The ladle fragment export ladle precrushing babinet 200 that the feed box 400 is used to complete precrushing；
Precrushing of the ladle precrushing mechanism 500 for the ladle in ladle precrushing babinet 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 front and back two ladle precrushing cutters 501 being parallel transversely disposed and is located at
The two groups of longitudinal secondary knife partition boards 502 of two ladle precrushing cutters 501 over and under, two groups of longitudinal secondary knife partition boards 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, spacer sleeve dress is there are six operator 501.2 on the active section of main shaft 501.1, the two neighboring operator on same root main shaft 501.1
Dislocation angle between 501.2 is 60 °, and middle spacer sleeve is set 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 501.4 left of left 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 babinet 200, every group of pair
Knife partition board 502 is that there are two the rectangular slab of upward semicircle opening, the centres of semicircle 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, the in addition operator 501.2 of movement simultaneously forms relative motion with static secondary knife partition board 502
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, operator 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, include rotating in the forward direction knife 501.2.3 and reverse rotation per a pair of rotating knife
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 mode, 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 sector 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 sector region of center of circle formation, the length for rotating in the forward direction the external arc corresponding to knife 501.2.3 is more than instead
To the length of the 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 ends 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
The radius of section 501.2.5 connections, First Transition arc section 501.2.5 is 9.9mm, and radian is 144 °, rotates 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 ends reverse rotation knife 501.2.4
It bends inwards to be formed, passes through the second transition arc between reverse rotation knife arc segment 501.2.42 and the first arc-shaped edges 501.2.11
The radius of section 501.2.6 connections, the second transition circle segmental arc 501.2.6 is 6.6mm, and radian is 135 °, reversely rotates knife straightway
501.2.41 length is 19mm；
The radius and radian of First Transition arc section 501.2.5 be all higher 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 more than reverse rotation knife straightway 501.2.41 length.
Embodiment 2,
For certain operating mode, 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 tools
It is all the center of hexagon mounting hole 501.2.2 to have the identical center of circle and the center of circle, is rotated in the forward direction outer corresponding to knife 501.2.3
The length of circular arc is equal to the length for reversely rotating the 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 arcs of knife 501.2.3 are formed, and are rotated in the forward direction knife straight cuts section 501.2.33 and are corresponded to by rotating in the forward direction knife 501.2.3
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 connections 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 arcs of knife 501.2.4 are formed, and are reversely rotated knife straight cuts section 501.2.43 and are corresponded to by reverse rotation knife 501.2.4
External arc end bend inwards to be formed, reversely rotate between knife straight cuts section 501.2.43 and the 4th arc-shaped edges 501.2.14
Pass through the 4th transition circle segmental arc 501.2.8 connections；
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 703 structure having the same of the second variable pump, 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 operation principle of ladle prebreaker hydraulic control system 700：
The oil of fuel tank 714 is delivered to by slippage pump 701 in the first variable pump 702 and the second variable pump 703, 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 ladle precrushing operation；
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, rotates in the forward direction knife 501.2.3 and carry out precrushing work as working face
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 and carry out precrushing operation as working face；
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 rotation of ladle precrushing cutter 501 continues
Realize the precrushing operation of ladle.
The specific application example that the above is only the present invention, is not limited in any way protection scope of the present invention.All uses
Equivalent transformation or equivalent replacement and the technical solution formed, all fall within rights protection scope of the present invention.
Claims (9)
1. a kind of ladle prebreaker hydraulic control system, it is characterised in that including fuel tank (714), fuel tank (714) draws two tools
There is mutually isostructural working connection, slippage pump (701), the first variable pump (702) and the second variable are disposed on working connection
It pumps (703), the first variable pump (702) and the second variable pump (703) structure having the same, the first variable pump (702) and second
Variable pump (703) all has two hydraulic oil outbound courses, and two hydraulic oil outbound courses of the first variable pump (702) lead to respectively
First oil circuit and second oil circuit connection are crossed to the first oil inlet and the second oil inlet of hydraulic motor (501.9), first
The first trimmer valve (704) and the second trimmer valve (705), the first trimmer valve (704) are respectively arranged on oil circuit and second oil circuit
With in front of the second trimmer valve (705) first oil circuit and second oil circuit on be respectively arranged with first pressure sensor (706)
With second pressure sensor (707).
2. a kind of ladle prebreaker hydraulic control system according to claim 1, it is characterised in that the first variable pump (702)
It is separately connected first pressure control valve (708) and second pressure control valve (709) with the second variable pump (703).
3. a kind of ladle prebreaker hydraulic control system according to claim 1, it is characterised in that the first variable pump (702)
With the discharge capacity of the pump of the second variable pump (703) respectively by the first proportion electro-magnet (710) and the second proportion electro-magnet (711) into
Row control.
4. a kind of ladle prebreaker hydraulic control system according to claim 1, it is characterised in that the first variable pump (702)
It is respectively arranged with first filter (712) and the second filter (713) on the working connection in the front of the second variable pump (703).
5. a kind of ladle prebreaker hydraulic control system according to claim 1, it is characterised in that ladle prebreaker hydraulic pressure
Control system is for driving ladle precrushing mechanism (500) to act；
Ladle precrushing mechanism (500) includes the front and back two ladle precrushing cutters (501) being parallel transversely disposed and is located at
The two groups of longitudinal secondary knife partition boards (502) of two ladle precrushing cutters (501) over and under, two groups of longitudinal secondary knife partition boards
(502) be located at two ladle precrushing cutters (501) left Duan Chu and right section at.
6. a kind of ladle prebreaker hydraulic control system according to claim 5, it is characterised in that the ladle precrushing knife
Has the main shaft (501.1) that (501) include lateral arrangement, spacer sleeve is equipped with multiple operators on the active section of main shaft (501.1)
(501.2), the dislocation angle between the two neighboring operator (501.2) on same root main shaft (501.1) is consistent, two neighboring master
Middle spacer sleeve (501.3), the master of operator (501.2) left of left end are set on main shaft (501.1) between knife (501.2)
It is set with left spacer sleeve (501.4) on axis (501.1), is set on the main shaft (501.1) of operator (501.2) right of right end
Right septum set (501.5), the master of on the main shaft (501.1) of left spacer sleeve (501.4) left and right septum set (501.5) right
Bearing block (501.6) is set on axis (501.1), the bearing block (501.6) of ladle precrushing cutter (501) is fixed on ladle precrushing
On the left and right tank wall of babinet (200), connected by bearing between main shaft (501.1) and bearing block (501.6), bearing block
(501.6) main shaft (501.1) on the outside of connects the power output end of speed changer (501.8), speed changer by shaft coupling (501.7)
(501.8) power output end of power intake connection hydraulic motor (501.9).
7. a kind of ladle prebreaker hydraulic control system according to claim 6, it is characterised in that operator (501.2) is cut
Face, which is centrosymmetric, arranges shape, and operator (501.2) includes the operator construction section (501.2.1) at middle part, construction section of operating
(501.2.1's) is provided centrally with mounting hole (501.2.2), and the outside both ends of operator construction section (501.2.1) are symmetrically arranged with
A pair of of rotating knife includes rotating in the forward direction knife (501.2.3) and reverse rotation knife (501.2.4) per a pair of rotating knife；It is positive
Rotating knife (501.2.3) and the outer wall for reversely rotating knife (501.2.4) are located at using the center of mounting hole (501.2.2) as the center of circle
Same arc section formed external arc on.
8. a kind of ladle prebreaker hydraulic control system according to claim 7, it is characterised in that operator construction section
(501.2.1) includes the first arc-shaped edges (501.2.11) being centrosymmetric along the center of hexagon mounting hole (501.2.2)
And second arc-shaped edges (501.2.12), the center of hexagon mounting hole (501.2.2) is located at the first arc-shaped edges (501.2.11)
And its in the sector 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 sector region of center of circle formation, the length for rotating in the forward direction the external arc corresponding to knife (501.2.3) is more than reverse rotation
The length of 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 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
One transition circle segmental arc (501.2.5) connects；
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 between knife arc segment (501.2.42) and the first arc-shaped edges (501.2.11) by the
Two transition circle segmental arcs (501.2.6) connect；
The radius and radian of First Transition arc section (501.2.5) be all higher 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 more than reverse rotation knife straightway (501.2.41) length.
9. a kind of ladle prebreaker hydraulic control system according to claim 7, it is characterised in that operator construction section
(501.2.1) includes the third arc-shaped edges (501.2.13) being centrosymmetric along the center of hexagon mounting hole (501.2.2)
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) have identical
The center of circle and the center of circle be all hexagon mounting hole (501.2.2) center, rotate in the forward direction the outer circle corresponding to knife (501.2.3)
The length of arc is equal to the length for reversely rotating the 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 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 justifies with third
It is connected by third transition circle segmental arc (501.2.7) between arc side (501.2.13)；
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 by the 4th transition circle segmental arc (501.2.8) between arc side (501.2.14)；
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 for reversely rotating knife straight cuts section (501.2.43).
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| CN201810675243.3A CN108654789A (en) | 2018-06-27 | 2018-06-27 | A kind of ladle prebreaker hydraulic control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810675243.3A CN108654789A (en) | 2018-06-27 | 2018-06-27 | A kind of ladle prebreaker hydraulic control system |
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| CN108654789A true CN108654789A (en) | 2018-10-16 |
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| CN201810675243.3A Pending CN108654789A (en) | 2018-06-27 | 2018-06-27 | A kind of ladle prebreaker hydraulic control system |
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