CN108993873A - A kind of stock grading large size banana screen of high intensity - Google Patents
A kind of stock grading large size banana screen of high intensity Download PDFInfo
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- CN108993873A CN108993873A CN201811033981.4A CN201811033981A CN108993873A CN 108993873 A CN108993873 A CN 108993873A CN 201811033981 A CN201811033981 A CN 201811033981A CN 108993873 A CN108993873 A CN 108993873A
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- screen
- sieve plate
- bending
- rectangle crossbeam
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- 235000018290 Musa x paradisiaca Nutrition 0.000 title claims abstract description 39
- 240000005561 Musa balbisiana Species 0.000 title 1
- 241000234295 Musa Species 0.000 claims abstract description 38
- 238000003825 pressing Methods 0.000 claims abstract description 36
- 230000001681 protective effect Effects 0.000 claims abstract description 35
- 238000005452 bending Methods 0.000 claims description 69
- 229910000831 Steel Inorganic materials 0.000 claims description 49
- 239000010959 steel Substances 0.000 claims description 49
- 230000005540 biological transmission Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 abstract description 15
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000002787 reinforcement Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- -1 metallurgy Substances 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002929 anti-fatigue Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000004636 vulcanized rubber Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/02—Fastening means for fastening screens to their frames which do not stretch or sag the screening surfaces
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- Combined Means For Separation Of Solids (AREA)
Abstract
A kind of stock grading large size banana screen of high intensity, belongs to vibrating screen equipment technical field, the intensity and rigidity of the large-scale banana screen for improving classification.Its technical solution is: pan feeding backboard is mounted on the feeding end of screen box instead of pan feeding beam, sieve plate support device is connected between rectangle crossbeam and sieve plate, it is connected between sieve plate and side plate by sieve plate pressing device, rectangle crossbeam protective device is mounted between rectangle crossbeam and sieve plate support device.The present invention by screen box Reasonable Arrangement reinforcement structure so that each component of screen box is constituted the spatial networks statically indeterminate structure of force-closed formula a kind of, have many advantages, such as that intensity is high, rigidity is big, wear-resisting and anticorrosive property is good, under same mass of vibration, strength and stiffness with higher, the strength and stiffness of screen box can be improved 1.5 ~ 2.0 times, the mass of vibration 30% ~ 40% that screen(ing) machine can be reduced simultaneously is conducive to the graded operation for handling bulk materials, to improve the sieve performance and reliability of large-scale banana screen.
Description
Technical field
The present invention relates to a kind of large-scale banana screens for stock grading, belong to vibrating screen equipment technical field.
Background technique
Banana screen is mainly used for the stock grading of the industries such as material, metallurgy, chemical industry.In recent years, in order to adapt to Chinese large-sized
Constantly newly-built and enlarging the current situation of coal preparation plant and dressing plant, the banana screen for stock grading is gradually to enlarged direction
Development, processing capacity are that the market demand of the large-scale banana screen of upper kiloton per hour is more and more big.The span of banana screen is to determine
Determine the principal element of processing capacity, therefore, in some sense for, the enlargement of banana screen i.e. the large size of screen(ing) machine span
Change.With the increase of screen(ing) machine span, the dynamic stress of the components such as screen(ing) machine crossbeam, side plate, driving beam at work will be at multiple
It increase accordingly, therefore, more stringent requirements are proposed for strength and stiffness of the enlargement of banana screen to screen(ing) machine.However, at present in object
The industries such as material, metallurgy, chemical industry, the large-scale banana screen for stock grading due to screen(ing) machine structural strength and rigidity Shortcomings, or
The abrasion of material and corrosion when work, so that the problems such as side plate of screen(ing) machine cracks, crossbeam fracture happens occasionally, while under sieve
The problems such as abrasion of crossbeam and seriously corroded, is also generally existing, causes screen(ing) machine service life shorter, not only greatly affected life
What is produced goes on smoothly, and occupies a large amount of maintenance cost and maintenance time, reduces the economic benefit of enterprise.It solves large-scale
The approach of banana screen strength problem fundamentally solves that structural strength is insufficient to ask first is that improve the structure design of large-scale banana screen
Topic, second is that making screen(ing) machine that there is higher shock resistance, anti-fatigue ability using high strength steel.But these measures not can solve
The problem of intensity deficiency of existing numerous large-scale banana screens currently in use, how to make existing large size banana screen do not change it is whole
It can be improved intensity in the case where the design of body structure and material, prevent abrasion and burn into from prolonging the service life in always industry
Open question, it would be highly desirable to which enterprise and technical staff are resolved.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of stock grading large size banana screen of high intensity, this large sizes
Banana screen improves and reinforces to existing structure, effectively improves the strength and stiffness of screen(ing) machine, enhances wear-resistant and resistance to
Corrosive power can prolong the service life, and can be used in bulk materials of the granularity no more than 150mm, iron ore or the like material
Classification.
The technical solution for solving above-mentioned technical problem is:
A kind of stock grading large size banana screen of high intensity, it includes support base, motor branch under screen box, box vibration excitor, spring
Seat, driving beam, lifting beam, sieve plate, drive assembly, drive shaft, transmission shaft, shock-absorbing spring are supportted, lifting beam is connected laterally at screen box
Between the side plate of rear portion two sides, driving beam is connected laterally between the side plate of the two sides in the middle part of screen box, the upper end connection of driving beam
Have box vibration excitor, transmission shaft is connected among box vibration excitor, drive assembly is installed on motor supporting base, drive assembly with
It is connected between box vibration excitor using drive shaft, rectangle crossbeam, sieve plate connection is connected between the side plate of screen box front part sides
Above rectangle crossbeam, improvements are that it is horizontal that it increases pan feeding backboard, sieve plate support device, sieve plate pressing device, rectangle
Beam protective device, pan feeding backboard replace pan feeding beam to be mounted on the feeding end of screen box, sieve plate support device be connected to rectangle crossbeam with
Between sieve plate, it is connected between sieve plate and side plate by sieve plate pressing device, rectangle crossbeam protective device is mounted on rectangle crossbeam
Between sieve plate support device.
The stock grading large size banana screen of above-mentioned high intensity, the pan feeding backboard is by back bending plate, bending stiffening plate, company
Connecting bolt composition, back bending plate are rectangle steel plate, and multiple bending stiffening plates are arranged sequentially on the bottom surface of back bending plate,
Bending stiffening plate and postnotum bending plate are fastenedly connected by connection bolt, and connection bolt passes through the screw hole and side plate of back bending plate
It is fastenedly connected.
The stock grading large size banana screen of above-mentioned high intensity, the bending stiffening plate are made by angle steel or channel steel, angle steel or
Channel steel is bent to U-shaped, and there are vertical flanging in U-shaped upper end two sides respectively, there is screw hole on two side edgefolds respectively, and connection bolt passes through spiral shell
Bending stiffening plate is connected by hole with back bending plate.
The stock grading large size banana screen of above-mentioned high intensity, the sieve plate support device is by support angle steel, rectangular tube, support
Beam, clamping joint composition, rectangular tube is horizontal positioned and vertical with rectangle crossbeam, and the top of rectangular tube is equipped with opening, and two sides lead to respectively
It crosses two support angle steels to connect with rectangle crossbeam, the upper opening of rectangular tube is connect by clamping joint with sieve plate.
There are supporting beam in the stock grading large size banana screen of above-mentioned high intensity, the inside of the rectangular tube, and supporting beam level is put
It sets, the both ends of supporting beam and the two side walls of rectangular tube are welded to connect, and support angle steel top and rectangular tube are welded to connect, strut angle
Part connection is fastened by bolts between steel lower part and rectangle crossbeam.
The stock grading large size banana screen of above-mentioned high intensity, the sieve plate pressing device is by side plate, bolt card slot, pressing plate
Fixing bolt, sieve plate support angle steel composition, sieve plate support angle steel are fixed on the side plate inner wall of screen box by angle steel fixing bolt,
Sieve plate is placed on sieve plate support angle steel top, and the lower part of side plate is pressed on sieve plate or is connect by card slot with sieve plate, bolt card slot
It is bonded in side plate side, the bolt head of pressing plate fixing bolt is stuck in bolt card slot, and the threaded portion of pressing plate fixing bolt is worn
The through-hole crossed on side plate is fastened by pressing plate fixture nut.
The stock grading large size banana screen of above-mentioned high intensity, the rectangle crossbeam protective device are protected by wearing plate, bending
Plate, fixed plate composition, wearing plate are protection offset plate, and bending protective plate is the steel plate that there are 90 degree of bendings in centre, wearing plate bonding
In the upper surface of bending protective plate, wearing plate and bending protective plate are covered on the top and the front side Liang Ge of rectangle crossbeam,
The length and width of wearing plate and bending protective plate is greater than the top and the front side Liang Ge of rectangle crossbeam, and wearing plate and bending are anti-
The connecting hole of connection is evenly equipped on backplate, opposite connecting hole is arranged at the top and side of rectangle crossbeam, and fixed plate is anti-positioned at bending
Between backplate and rectangle crossbeam, there is connecting hole in fixed plate, connection bolt is prevented wearing plate, fixed plate and bending by connecting hole
Backplate is connected with rectangle crossbeam.
The beneficial effects of the present invention are:
The present invention replaces pan feeding beam to be mounted on vibrating screen feeding end using pan feeding backboard, is not only able to improve vibrating screen feeding end
Structural strength and rigidity prevent the generation of vibrating screen feeding end beat, can also simplify the structure and production of vibrating screen feeding end
Technique is easy for installation and maintenance, and reduces production cost；It is connected between sieve plate and rectangle crossbeam by sieve plate support device, structure
Reliable and stable, dress facilitates, is connected firmly, and clamping joint links together sieve plate and rectangle crossbeam, is replaced with snap fit original
Bolt connecting mode, be not present bolt looseness problem, can effectively prevent sieve plate occur secondary vibration, to improve vibrating screen
Sieve performance and mechanical performance；It is connected between sieve plate and side plate by sieve plate pressing device, bolt card slot is by wear-resisting, corrosion-resistant
Material is made, and the pressing plate fixing bolt for being easiest to be corroded is protected using bolt card slot, so that pressing plate fixing bolt will not connect
It contacts material, greatly reduces the failure rate of sieve plate pressing device, extend the service life of sieve plate pressing device, can effectively prevent
Only sieve plate loosens；Rectangle crossbeam protective device is mounted between rectangle crossbeam and sieve plate support device, wearing plate and bending protection
Plate integrally covers rectangle crossbeam, can prevent rectangle crossbeam from being washed away by undersize material, reduce rectangle crossbeam abrasion and
Corrosion, extends the service life of rectangle crossbeam；Screen(ing) machine uses modular box vibration excitor exciting, according to the model and case of screen(ing) machine
The size of formula exciting force of exciter selects the quantity of suitable vibration excitor, is conducive to the enlargement and seriation development of screen(ing) machine.
The present invention is the pioneering of stock grading large size banana screen, solves long-term open question in industry.This hair
It is bright by a kind of Reasonable Arrangement reinforcement structure makes each component of screen box constitute force-closed formula on screen box the indeterminate knot of spatial networks
Structure.Screen(ing) machine structure of the invention has many advantages, such as that intensity is high, rigidity is big, wear-resisting and anticorrosive property is good, under same mass of vibration,
Strength and stiffness with higher, the strength and stiffness of screen box can be improved 1.5 ~ 2.0 times, while can reduce the mass of vibration of screen(ing) machine
30% ~ 40%, be conducive to the graded operation for handling bulk materials.To improve the sieve performance of large-scale banana screen, reduces and set
Standby failure rate, improves the reliability of vibrating screen, ensure that being normally carried out for screening production.
Detailed description of the invention
Fig. 1 is side structure schematic diagram of the invention；
Fig. 2 is schematic view of the front view of the invention；
Fig. 3 is screen box side structure schematic diagram of the invention；
Fig. 4 is screen box schematic view of the front view of the invention；
Fig. 5 is pan feeding back board structure schematic diagram of the invention；
Fig. 6 is sieve plate support device structure diagram of the invention；
Fig. 7 is sieve plate pressing device structural schematic diagram of the invention；
Fig. 8 is rectangle crossbeam protective device structure schematic diagram of the invention.
It is marked in figure as follows: support base 3, motor supporting base 4, drive assembly 5, drive under screen box 1, box vibration excitor 2, spring
Moving axis 6, shock-absorbing spring 8, pan feeding backboard 9, side plate 10, stiffening plate 11, reinforces angle steel 12, sieve plate pressing device at transmission shaft 7
13, upper bracket of the spring 14, driving beam 15, lifting beam 16, sieve plate 17, rectangle crossbeam 18, sieve plate support device 19, rectangle crossbeam are anti-
Protection unit 20, back bending plate 21, bending stiffening plate 22, supporting beam 23, rectangular tube 24, clamping joint 25, support angle steel 26, side
Pressing plate 27, bolt card slot 28, pressing plate fixing bolt 29, sieve plate support angle steel 30, wearing plate 31, bending protective plate 32, fixed plate
33。
Specific embodiment
Fig. 1,2 displays, the present invention are total by support base 3, motor supporting base 4, driving under screen box 1, box vibration excitor 2, spring
It is formed at 5, transmission shaft 6, drive shaft 7, shock-absorbing spring 8.
Fig. 3,4 displays, screen box 1 include pan feeding backboard 9, side plate 10, stiffening plate 11, reinforce angle steel 12, sieve plate pressing device
13, upper bracket of the spring 14, driving beam 15, lifting beam 16, sieve plate 17, rectangle crossbeam 18, sieve plate support device 19, rectangle crossbeam are anti-
Protection unit 20.
Fig. 1-4 display, lifting beam 16 are connected laterally between the side plate 10 of 1 rear portion two sides of screen box, and driving beam 15 laterally connects
It connects between the side plate 10 of the two sides at 1 middle part of screen box, the upper end of driving beam 15 is connected with box vibration excitor 2, and transmission shaft 6 is connected to
Among box vibration excitor 2.Motor supporting base 4 is located at the outside of screen box 1, and drive assembly 5 is equipped on motor supporting base 4, driving
It is connected between assembly 5 and box vibration excitor 2 using drive shaft 7, rectangle cross is connected between the side plate 10 of 1 front part sides of screen box
Beam 18, sieve plate 17 are connected to 18 top of rectangle crossbeam.
The angle of sieve plate can be 3 ~ 10 sections of angles as needed, and each section of tilt angle is successively passed from feeding end to discharge end
Subtract, range is 50 ~ 3 °.
Box vibration excitor 2 is mounted in the driving beam 15 on screen box 1, in the exciting force effect that box vibration excitor 2 generates
Under, screen box 1 does reciprocal simple harmonic quantity straight-line oscillation along the direction angled with horizontal plane to realize the screening operation to material.
According to the model of screen(ing) machine and the size of box exciting force of exciter, 1 optional, one or more groups of box vibration excitors 2 are connected on
Exciting together, width are that 2m screen(ing) machine below uses 1 or 1 group chamber type vibration excitor 2, and the screen(ing) machine that width is 2.0 ~ 5.0m uses
1 group chamber type vibration excitor 2, screen(ing) machine of the width greater than 5m are cascaded exciting using 2 groups of vibration excitors 2.
Fig. 1-4 display, invention increases pan feeding backboard 9, sieve plate support device 19, sieve plate pressing device 13, rectangle are horizontal
Beam protective device 20.Pan feeding backboard 9 is mounted on the feeding end of screen box 1 instead of pan feeding beam, and sieve plate support device 19 is connected to rectangle
Between crossbeam 18 and sieve plate 17, it is connected between sieve plate 17 and side plate 10 by sieve plate pressing device 13, rectangle crossbeam protection dress
20 are set to be mounted between rectangle crossbeam 18 and sieve plate support device 19.
Fig. 5 shows that pan feeding backboard 9 is made of back bending plate 21, bending stiffening plate 22, connection bolt, back bending plate
21 be rectangle steel plate, and multiple bending stiffening plates 22 are arranged sequentially on the bottom surface of back bending plate 21, connects bolt for bending
Stiffening plate 22 is fastenedly connected with postnotum bending plate 21, and connection bolt passes through the screw hole of back bending plate 21 and the fastening of side plate 10 connects
It connects.
Fig. 5 shows that bending stiffening plate 22 is made by angle steel or channel steel, and angle steel or channel steel are bent to U-shaped, U-shaped upper end two sides
There is vertical flanging respectively, there is screw hole on two side edgefolds respectively, connection bolt passes through screw hole and rolls over bending stiffening plate 22 and back
Bent plate 21 is connected.
Pan feeding backboard 9 is connected using back bending plate 21, bending stiffening plate 22, and structure is simple, easy to make, is had very
High strength and stiffness can replace existing pan feeding girder construction, be not only able to improve banana screen feeding end structural strength with
Rigidity prevents the generation of banana screen feeding end beat, can also simplify the structure and manufacture craft of banana screen feeding end, convenient for peace
Dress and maintenance, reduce production cost.
Fig. 6 shows that sieve plate support device 19 is made of supporting beam 23, rectangular tube 24, clamping joint 25, support angle steel 26.Square
Shape pipe 24 is horizontal positioned and vertical with rectangle crossbeam 18, and the top of rectangular tube 24 is equipped with opening, and two sides pass through two supports respectively
Angle steel 26 is connect with rectangle crossbeam 18, and the upper opening of rectangular tube 24 is connect by clamping joint 25 with sieve plate 17.
It is connected between sieve plate 17 and rectangle crossbeam 18 by sieve plate support device 19, stable structure is reliable, easy for installation, even
It connects securely.Clamping joint 25 links together sieve plate 17 and rectangle crossbeam 18, replaces original side of being bolted with snap fit
Bolt looseness problem is not present in formula, can effectively prevent sieve plate 17 that secondary vibration occurs, to improve the sieve performance of vibrating screen
And mechanical performance.
Fig. 6 shows that there is supporting beam 23 in the inside of rectangular tube 24, and supporting beam 23 is horizontal positioned, the both ends of supporting beam 23 and square
The two side walls of shape pipe 24 are welded to connect, and 26 top of support angle steel and rectangular tube 24 are welded to connect, 26 lower part of support angle steel and square
Part connection is fastened by bolts between shape crossbeam 18.
Fig. 7 shows that sieve plate pressing device 13 is by side plate 27, bolt card slot 28, pressing plate fixing bolt 29, sieve plate strut angle
Steel 30 forms.Sieve plate support angle steel 30 is fixed on 10 inner wall of side plate of screen box 1 by angle steel fixing bolt, sieve plate support angle steel
Sieve plate 17 is placed on 30 tops, and the lower part of side plate 27 is pressed on sieve plate 17 or is connect by card slot with sieve plate 17, bolt card slot 28
It is bonded in 27 side of side plate, bolt card slot 28 is made of wear-resisting, resistant material, and the bolt head of pressing plate fixing bolt 29 is stuck in
In bolt card slot 28, so that pressing plate fixing bolt 29 will not touch material, is protected using bolt card slot and be easiest to be corroded
Pressing plate fixing bolt 29, greatly reduce the failure rate of sieve plate pressing device 13, extend the use of sieve plate pressing device 13
Service life can effectively prevent sieve plate 10 to loosen.The through-hole that the threaded portion of pressing plate fixing bolt 29 passes through on side plate 10 is consolidated by pressing plate
Determine nut fastening.
Fig. 8 shows that rectangle crossbeam protective device 20 is made of wearing plate 31, bending protective plate 32, fixed plate 33.Wearing plate
31 be protection offset plate, and bending protective plate 32 is the steel plate that there are 90 degree of bendings in centre, and wearing plate 31 is bonded in bending protective plate 32
Upper surface, wearing plate 31 and bending protective plate 32 be covered on the top and the front side Liang Ge of rectangle crossbeam 18, wearing plate
31 and bending protective plate 32 length and width be greater than rectangle crossbeam 18 top and the front side Liang Ge, wearing plate 31 and bending
It is evenly equipped with the connecting hole of connection on protective plate 32, opposite connecting hole arranged at the top and side of rectangle crossbeam 18, and fixed plate 33
Between bending protective plate 32 and rectangle crossbeam 18, there is connecting hole in fixed plate 33, connection bolt passes through connecting hole for wearing plate
31, fixed plate 33 and bending protective plate 32 are connected with rectangle crossbeam 18.
The whole covering of rectangle crossbeam 18 can be prevented rectangle crossbeam 18 from being sieved down by wearing plate 31 and bending protective plate 32
Material washes away, and reduces the abrasion and corrosion of rectangle crossbeam 18, extends the service life of rectangle crossbeam 18.
One embodiment of the present of invention (LKBB3673 banana screen) is as follows:
The length of screen box 1 is 8079mm, width 4600mm, is highly 3400mm；
The model LK-V-61 of box vibration excitor 2；
The model QD550-00 of drive assembly 5:
The diameter of drive shaft 6 is 80mm；Length is 800mm；
The diameter of transmission shaft 7 is 140mm；Length is 1820mm；
The back bending plate 21 of pan feeding backboard 9 is made by the steel plate of 10mm thickness, length 3794mm, width 1144.5mm；
The bending stiffening plate 22 of pan feeding backboard 9 is made by steel plate bending, width 530mm, is highly 140mm, with a thickness of 10mm；
The width of the rectangular tube 24 of sieve plate support device 19 is 300mm, is highly 350mm, is made by the rectangular tube of thickness 12mm；
The side plate 27 of sieve plate pressing device 13 is divided into 6 sections, length is respectively 1947.42,1203.67,1205.29,
1205.31,1205.26,1514.49mm, width 255mm, with a thickness of 35mm；
The wearing plate 31 of rectangle crossbeam protective device 20 is the wear-resisting vulcanized rubber plate of anticorrosion, and with a thickness of 6mm, length is
3530mm, width 672mm；
The bending protective plate 32 of rectangle crossbeam protective device 20 with a thickness of 6mm, length 3530mm, width 666mm.
Claims (7)
1. a kind of stock grading large size banana screen of high intensity, it includes support base under screen box (1), box vibration excitor (2), spring
(3), motor supporting base (4), driving beam (15), lifting beam (16), sieve plate (17), drive assembly (5), drive shaft (6), transmission shaft
(7), shock-absorbing spring (8), lifting beam (16) are connected laterally between the side plate (10) of screen box (1) rear portion two sides, driving beam (15)
It is connected laterally between the side plate (10) of the two sides in the middle part of screen box (1), the upper end of driving beam (15) is connected with box vibration excitor
(2), transmission shaft (7) is connected among box vibration excitor (2), is equipped with drive assembly (5) on motor supporting base (4), and driving is total
It uses drive shaft (6) to be connected between (5) and box vibration excitor (2), is connected between the side plate (10) of screen box (1) front part sides
Have rectangle crossbeam (18), sieve plate (17) is connected to above rectangle crossbeam (18), it is characterised in that: it increase pan feeding backboard (9),
Sieve plate support device (19), sieve plate pressing device (13), rectangle crossbeam protective device (20), pan feeding backboard (9) replace pan feeding beam
It is mounted on the feeding end of screen box (1), sieve plate support device (19) is connected between rectangle crossbeam (18) and sieve plate (17), sieve plate
(17) it is connected between side plate (10) by sieve plate pressing device (13), rectangle crossbeam protective device (20) is mounted on rectangle cross
Between beam (18) and sieve plate support device (19).
2. the stock grading large size banana screen of high intensity according to claim 1, it is characterised in that: the pan feeding backboard
(9) it is made of back bending plate (21), bending stiffening plate (22), connection bolt, back bending plate (21) is rectangle steel plate, more
A bending stiffening plate (22) is arranged sequentially on the bottom surface of back bending plate (21), and connection bolt is by bending stiffening plate (22) with after
Backboard bending plate (21) is fastenedly connected, and the screw hole that connection bolt passes through back bending plate (21) is fastenedly connected with side plate (10).
3. the stock grading large size banana screen of high intensity according to claim 2, it is characterised in that: the bending stiffening plate
(22) it is made by angle steel or channel steel, angle steel or channel steel are bent to U-shaped, and there are vertical flanging, two side edgefolds in U-shaped upper end two sides respectively
Upper to have screw hole respectively, connection bolt passes through screw hole and bending stiffening plate (22) is connected with back bending plate (21).
4. the stock grading large size banana screen of high intensity according to claim 1, it is characterised in that: the sieve plate support dress
It sets (19) to be made of support angle steel (26), rectangular tube (24), supporting beam (23), clamping joint (25), rectangular tube (24) is horizontal positioned
And it is vertical with rectangle crossbeam (18), the top of rectangular tube (24) is equipped with opening, two sides pass through respectively two support angle steels (26) with
The upper opening of rectangle crossbeam (18) connection, rectangular tube (24) is connect by clamping joint (25) with sieve plate (17).
5. the stock grading large size banana screen of high intensity according to claim 4, it is characterised in that: the rectangular tube (24)
Inside have supporting beam (23), supporting beam (23) is horizontal positioned, the both ends of supporting beam (23) and the two side walls of rectangular tube (24)
It is welded to connect, support angle steel (25) top and rectangular tube (24) are welded to connect, support angle steel (26) lower part and rectangle crossbeam (18)
Between be fastened by bolts part connection.
6. the stock grading large size banana screen of high intensity according to claim 1, it is characterised in that: the sieve plate compresses dress
It sets (13) to be made of side plate (27), bolt card slot (28), pressing plate fixing bolt (29), sieve plate support angle steel (30), sieve plate branch
Support angle steel (30) is fixed on side plate (10) inner wall of screen box (1) by angle steel fixing bolt, sieve plate support angle steel (30) top
It places sieve plate (17), the lower part of side plate (27) is pressed on sieve plate (17) or is connect by card slot with sieve plate (17), bolt card slot
(28) it is bonded in side plate (27) side, the bolt head of pressing plate fixing bolt (29) is stuck in bolt card slot (28), and pressing plate is fixed
The through-hole that the threaded portion of bolt (29) passes through on side plate (10) is fastened by pressing plate fixture nut.
7. the stock grading large size banana screen of high intensity according to claim 1, it is characterised in that: the rectangle crossbeam is anti-
Protection unit (20) is made of wearing plate (31), bending protective plate (32), fixed plate (33), and wearing plate (31) is protection offset plate, folding
Curved protective plate (32) is the steel plate that there are 90 degree of bendings in centre, and wearing plate (31) is bonded in the upper surface of bending protective plate (32),
Wearing plate (31) and bending protective plate (32) are covered on the top and the front side Liang Ge of rectangle crossbeam (18), wearing plate (31)
Be greater than the top and the front side Liang Ge of rectangle crossbeam (18) with the length and width of bending protective plate (32), wearing plate (31) and
The connecting hole of connection is evenly equipped on bending protective plate (32), opposite connecting hole is arranged at the top and side of rectangle crossbeam (18), Gu
Fixed board (33) is located between bending protective plate (32) and rectangle crossbeam (18), there is connecting hole in fixed plate (33), and connection bolt is logical
It crosses connecting hole and wearing plate (31), fixed plate (33) and bending protective plate (32) is connected with rectangle crossbeam (18).
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| CN201811033981.4A CN108993873B (en) | 2018-09-05 | 2018-09-05 | High-strength material grading large banana screen |
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| CN201811033981.4A CN108993873B (en) | 2018-09-05 | 2018-09-05 | High-strength material grading large banana screen |
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| CN108993873B CN108993873B (en) | 2024-01-26 |
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| WO2020258619A1 (en) * | 2019-06-28 | 2020-12-30 | 南京唐壹信息科技有限公司 | Mechanism for preventing seed grader from shaking excessively |
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|---|---|
| CN108993873B (en) | 2024-01-26 |
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Denomination of invention: A high-strength material grading large banana sieve Granted publication date: 20240126 Pledgee: China Merchants Bank Limited by Share Ltd. Tangshan branch Pledgor: TANGSHAN LANDSKY TECHNOLOGY CO.,LTD. Registration number: Y2024980041323 |