CN108772273A - Fastening hook mechanism, vibrating screen and the bituminous mixing plant with the vibrating screen - Google Patents
Fastening hook mechanism, vibrating screen and the bituminous mixing plant with the vibrating screen Download PDFInfo
- Publication number
- CN108772273A CN108772273A CN201810623139.XA CN201810623139A CN108772273A CN 108772273 A CN108772273 A CN 108772273A CN 201810623139 A CN201810623139 A CN 201810623139A CN 108772273 A CN108772273 A CN 108772273A
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- Prior art keywords
- hinge
- screen
- sieve
- vibrating screen
- screen box
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- 230000007246 mechanism Effects 0.000 title claims abstract description 28
- 239000000428 dust Substances 0.000 claims description 18
- 238000012423 maintenance Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 description 9
- 238000012216 screening Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
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- 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
- B07B1/46—Constructional details of screens in general; Cleaning or heating of 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
- B07B1/48—Stretching devices for screens
- B07B1/49—Stretching devices for screens stretching more than one screen or screen section by the same or different stretching means
-
- 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
-
- 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
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The present invention provides a kind of vibrating screen, including screen box and sieve, and tensioning beam and supporting beam are installed on screen box, is tensioned on beam and is equipped with screen tension device, and sieve includes first side and second side, and first side is equipped with the first crotch bent downward；First crotch is clamped with screen tension device；Second side is equipped with the second crotch bent upward；Fastening hook mechanism is installed, fastening hook mechanism includes that hinge is buckled and drive link, hinge buckle the hinge plate being rotatablely connected including hinge jaw and with hinge jaw, and hinge jaw is installed on the top surface of supporting beam, and hinge plate is equipped with the grab bent downward in supporting beam；The bottom surface of hinge plate is connected with drive link, and drive link wears screen box, and drive link can drive hinge plate to rotate, so that the grab on hinge plate is clamped or detaches with the second crotch.The vibrating screen can improve the replacement efficiency of sieve.The present invention also provides the fastening hook mechanism of above-mentioned vibrating screen use and with the bituminous mixing plant of the vibrating screen.
Description
Technical field
The present invention relates to material screening technical fields, and in particular to a kind of fastening hook mechanism, vibrating screen and has the vibrating screen
Bituminous mixing plant.
Background technology
Vibrating screen is one of structural component mostly important in bituminous mixing plant, carries heat of mixing aggregate
Screening task.The size of vibrating screen sieving capacity, whether performance is reliable, and whether maintenance is simple, especially whether just to replace sieve
Victory etc. will all directly affect the production capacity and power consumption of a whole set of bituminous mixing plant.
In carrying out construction production mix proportion trial, to seek optimum mix, it usually needs repeatedly carry out replacing different
The sieve of specification；Sieve, in use for some time can be damaged as vulnerable part, also to be replaced.Prior art pitch stirs
The vibrating screen at station is mixed, the opposite sides of sieve is equipped with crotch, and the direction of both sides crotch is to bend downward.When installation, sieve
The crotch of side is tensed with by screen tension device, the hook slot clamping on the crotch and intermediate supports beam of the sieve other side, branch
Support hook channel opening on beam upward, such as Chinese invention patent application CN104889048A, when replacing sieve with as follows
Problem：
Upward due to the hook channel opening in supporting beam, material is easy to the hook slot being deposited in supporting beam in screening process
In, influence the dismounting operation of sieve.When replacing sieve, sieve could be taken from hook slot after needing worker to clear up the material hooked in slot
Under, and the material for hooking in supporting beam and being accumulated in slot is cleared up, worker just has to enter into screen box.Currently, more than 4000 types dripping
The vibrating screen mesh of green mixing plant is upper and lower six layer structure, is influenced by building body space, and sieve lays extremely compact, screen layer
Between distance be about 20 centimetres, can not pass through for worker.Therefore, worker must crawl into from screen box top open part in vibrating screen
The heart.When a certain sieve positioned at bottom needs replacing, the sieve that should be changed above sieve is needed all to remove together, Cai Nenggeng
The sieve is changed, finally installing one by one by dismounting again.In six layers of sieve, for example most beneath one piece of sieve breakage needs replacing,
Then damaged sieve five layers of mesh sheet just above must be all removed, and the sieve of dismounting need to be moved away from screen box, it is laborious time-consuming；More
Change inefficiency.In addition, when vibrating screen works normally, temperature is close to 200 DEG C, if sieve breakage, shutdown is needed to be cooled to room temperature
Afterwards, worker is allowed for access operation in sieve nest, and the stand-by period is longer.
Therefore, when existing vibrating screen draping operation, shortcoming is apparent：A, operating environment is severe, and worker needs to enter sieve
Case, airborne dust is larger in screen box, and operating environment is severe；B, hand labor intensity is larger, and dismounting component is excessive, time-consuming longer, cannot
Realize on-demand operation；C, there are the security risks of mechanical wounding；D, it is low to replace efficiency for sieve.
Invention content
In view of the above problems, it is necessary to which a kind of vibrating screen that can be improved sieve and replace efficiency is provided.
In order to achieve the above objectives, the technical solution adopted in the present invention is：
A kind of vibrating screen, including screen box and the sieve that is installed in the screen box, the screen box has side mouth, described
It is installed with tensioning beam at side mouth, screen tension device is installed on the tensioning beam, supporting beam is installed in the screen box；
The sieve includes the first side and second side being oppositely arranged, and it is curved that the first side is equipped with first bent downward
Hook；First crotch of the sieve is clamped with the screen tension device；The second side of the sieve is equipped with and bends upward
The second crotch；Fastening hook mechanism is installed, the fastening hook mechanism includes that hinge is buckled and drive link, the conjunction in the supporting beam
Page button includes hinge jaw and the hinge plate that is rotatablely connected with the hinge jaw, and the hinge jaw is installed in the top surface of the supporting beam
On, the side of the relatively described hinge jaw of the hinge plate is equipped with the grab bent downward；The bottom surface connection of the hinge plate is
Drive link is stated, the drive link wears the screen box, and under the effect of external force, the drive link can drive the conjunction
Page board rotates, so that the grab on the hinge plate is clamped or detaches with the second crotch on the sieve second side.
Further, the hinge jaw is rotationally installed in by fixed guide on the top surface of the supporting beam.
Further, the quantity of the fixed guide is several, several described fixed guidees are along the supporting beam
Length direction compartment of terrain is fixed on the top surface of the supporting beam；The hinge plate includes plate body and is connected to the plate body side
Turning set, the hinge jaw rotationally wears the turning set of several fixed guidees and the hinge plate, the plate body
Bottom surface connect with the drive link；The grab is connected on the plate body, and is oppositely arranged with the turning set.
Further, the drive link includes rotating bar, connecting rod and operating bar, and the rotating bar is rotationally installed in
On the screen box and the screen box is worn, the rotating bar is parallel with the supporting beam；The connecting rod and the operating bar are equal
It is contained in the screen box, the opposite end of the connecting rod connects with wherein one end of the rotating bar and the operating bar respectively
It connects；The free terminal of the operating bar is connect with the bottom surface of the hinge plate.
Further, the connecting rod is vertical with the rotating bar, and the operating bar is vertical with the connecting rod.
Further, the rotating bar is rotatablely connected by an installation guide with the screen box.
Further, the rotating bar is located at one end outside the screen box and is also associated with handle, and the handle is located at described
Outside screen box, the free terminal of the handle is also connect by elastic component with the lateral wall of the screen box.
Further, the vibrating screen includes dust cover, and the dust cover is located at outside the screen box, on the dust cover
The side mouth of corresponding screen box is provided with the first maintenance door, in order to pick and place sieve；It corresponds on screen box and installs on the dust cover
There is the position of handle to be provided with the second maintenance door, in order to operation handle.
The present invention further provides a kind of bituminous mixing plants with above-mentioned vibrating screen.
The present invention also provides a kind of fastening hook mechanisms, including hinge is buckled and drive link, the hinge buckle including hinge jaw and
It is rotatablely connected hinge plate with the hinge jaw, the side of the relatively described hinge jaw of the hinge plate is equipped with the grab bent downward；
The bottom surface of the hinge plate is connected with the drive link, and under the effect of external force, the drive link can drive the conjunction
Page board rotates, so as to lift or lower the grab on the hinge plate.
Due to the adoption of the above technical scheme, the invention has the advantages that：
1, vibrating screen of the invention connects sieve and supporting beam using fastening hook mechanism.By on vibrating screen second side
Two crotches are set as bending upward, and grab is to bend downward on fastening hook mechanism hinge plate, and material is not easily accessible hinge plate when use
Grab in, do not interfere with the movement of hinge plate, worker is not necessarily to enter the material of cleaning accumulation in screen box.When replacing sieve, lead to
It crosses control drive link and drives hinge plate rotation, realize the separation of grab and the second crotch on sieve to be replaced on hinge plate,
Screen box is outside upper can be implemented to replace, and without removing other sieves, achievees the purpose that only to replace damage sieve.Compared to existing skill
Art enters at the top of vibrating screen, need to remove other sieves above damage sieve one by one, and need to clear up the substitute mode for hooking slot,
Sieve is replaced efficiency and is improved.
2, vibrating screen of the invention leaves screen box without removing any one component, reduces people in addition to the sieve changed
Work labor intensity.Since worker is not necessarily to enter in vibrating screen, the operating environment of worker can be improved, reduce security risk.
Description of the drawings
Fig. 1 is the structural schematic diagram of vibrating screen in a better embodiment of the invention.
Fig. 2 is the structural schematic diagram of sieve box of vibrating in a better embodiment of the invention.
Fig. 3 be in an of the invention better embodiment hinge buckle, the schematic view of facade structure of drive link.
Fig. 4 is that hinge is buckled, the plan structure of drive link and supporting beam connection is illustrated in a better embodiment of the invention
Figure.
Fig. 5 is that hinge buckles the overlooking structure diagram being connect with supporting beam in a better embodiment of the invention.
Fig. 6 is the overlooking structure diagram of sieve box of vibrating and dust cover in a better embodiment of the invention.
Main element symbol description
100- vibrating screens, 2- screen boxs, 21- side plates, 23- screenings space, 24- side mouths, 25- tensionings beam, 3- sieves are drawn
Tight device, 32- lead screws, 34- springs, 36- nuts, 38- latch hooks, 4- supporting beams, 5- hinges buckle, 52- hinge jaws, 54- hinge plates,
542- plate bodys, 544- turning sets, 546- grabs, 6- fix guide, 7- drive links, 72- rotating bars, 74- connecting rods, 76- and make
Lever, 78- handles, 79- elastic components, 8- sieves mechanism, 82- sieves, the first sides 821-, the second sides 822-, 823- first
Crotch, the second crotches of 825-, 9- installation guide, 10- dust covers, the first maintenance doors of 11-, the second maintenance doors of 12-, 13- feed inlets,
14- distributing valves, 15- vibrators, 16- shock-absorbing supporting devices.
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 embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It should be noted that when component is referred to as " being fixed on " another component, it can be directly on another component
Or there may also be components placed in the middle.When a component is considered as " connection " another component, it can be directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being set to " another component, it
Can be set up directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the present invention
The normally understood meaning of technical staff is identical.Used term is intended merely to description tool in the description of the invention herein
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the Listed Items of pass.
Fig. 1, a kind of vibrating screen 100 of better embodiment offer of the invention, including screen box 2 are provided and are installed in screen box
Six layers of sieve mechanism 8 in 2.
Please also refer to Fig. 2, screen box 2 includes two blocks of side plates 21 being oppositely arranged, and it is empty to form screening between two blocks of side plates 21
Between 23.There are two the side mouths 24 being oppositely arranged for screening space 23 tool.In the present embodiment, it is located at the side on the left of Fig. 2
It is open at 24 and six roots of sensation tensioning beam 25 is installed, the six roots of sensation is tensioned beam 25 and is substantially arranged along the short transverse interval of screen box 2, each tensioning
The opposite end of beam 25 is connect with two blocks of side plates 21 by modes such as rivetings respectively.Pacify at side mouth 24 on the right side of Fig. 2
Equipped with five tensioning beams 25, five tensioning beams 25 are substantially arranged along the short transverse interval of screen box 2, each to be tensioned the opposite of beam 25
Both ends are connect with two blocks of side plates 21 by modes such as rivetings respectively.This partly belongs to the prior art, to omit length, does not do here
It is discussed in detail.
Referring again to Fig. 1, screen tension device 3 is installed on each tensioning beam 25.In the present embodiment, each
Multiple screen tension devices 3 are installed, multiple screen tension devices 3 are set along the length direction interval of tensioning beam 25 on tight beam 25
It sets.The screen tension device of the prior art can be used in screen tension device 3, for example, in Chinese invention patent CN103331255B
Screen tension device comprising lead screw 32, the spring 34 being installed on lead screw 32 and the nut 36 being installed on lead screw 32, silk
One end that bar 32 is located in screening space 23 is equipped with latch hook 38, and structure belongs to the prior art, to omit length, does not do here in detail
It is thin to introduce.
There are six supporting beam 4, six supporting beams 4 are mutually parallel for corresponding six layers of sieve mechanism 8 installing in screen box 2.Supporting beam 4
Between two side mouths 24, short transverse of six supporting beams 4 substantially along screen box 2 is spaced apart, each supporting beam 4
Opposite end is fixedly connected with two blocks of side plates 21 by modes such as rivetings respectively.Supporting beam 4 and tensioning beam 25 are used cooperatively, simultaneously
Carry the weight of sieve 82 and material.
Please also refer to Fig. 1, Fig. 3 to Fig. 5, fastening hook mechanism (not indicating) is installed in each supporting beam 4.Fastening hook mechanism packet
It includes hinge and buckles 5 and drive link 7.Hinge is buckled 5 and is contained in screening space 23.In the present embodiment, it counts from top to bottom, first
It includes hinge jaw 52 and two conjunctions being rotatablely connected with hinge jaw 52 that hinge on layer, third layer to layer 6 supporting beam 4, which buckles 5,
Page board 54.Hinge jaw 52 is installed on the top surface of respective support beam 4, and in the present embodiment, hinge jaw 52 passes through fixed guide 6
It is rotationally installed on the top surface of supporting beam 4, specially：The quantity of fixed guide 6 is multiple, and multiple fixed guidees 6 are along support
The length direction compartment of terrain of beam 4 is fixed on the top surface of supporting beam 4, and in the present embodiment, fixed guide 6 is welded on corresponding branch
On the top surface for supportting beam 4, it will be understood that fixed guide 6 can also be by other means fixed in supporting beam 4.Each hinge plate
54 include plate body 542 and are connected to the turning set 544 of 542 side of plate body, in the present embodiment, turning set 544 and plate body 542
Integrally connected.The plate body 542 of two hinge plates 54 is located at the opposite sides of hinge jaw 52, and each hinge plate 54 is with respect to hinge
The side (i.e. side of the hinge plate 54 far from turning set 544) of pin 52 is equipped with the grab 546 bent downward, in present embodiment
In, grab 546 and 542 integrally connected of plate body are used to engage with the second crotch 825 on 82 second side 822 of sieve, and hold
By the pulling force of sieve 82.Hinge jaw 52 rotationally wears the turning set 544 of multiple fixed guidees 6 and hinge plate 54, by hinge
Plate 54 is rotatablely connected with hinge jaw 52, and hinge jaw 52 is rotationally installed on the top surface of supporting beam 4.Second layer supporting beam 4
On hinge buckle 5 buckled with hinge in other supporting beams 45 structure it is roughly the same, the difference is that：In second layer supporting beam 4
Hinge buckle 5 only include one piece of hinge plate 54.
In the present embodiment, it counts from top to bottom, first layer, third layer to layer 6 sieve mechanism 8 include two sieves
Net 82, second layer sieve mechanism 8 include a sieve 82.Each sieve 82 includes the first side 821 and second being oppositely arranged
Side 822.First side 821 is equipped with the first crotch 823 for bending downward, and second side 822 is equipped with the bent upward
Two crotches 825.The latch hook 38 of the first crotch 823 and the screen tension device 3 near the sieve 82 of each sieve 82 is clamped；
Second crotch 825 of each sieve 82 is used to buckle the clamping of the grab 546 on 5 with close to the hinge of the sieve 82.
The bottom surface of each hinge plate 54 connects the drive link 7, and drive link 7 wears the side plate 21 of screen box 2, in external force
Under the action of, drive link 7 can drive corresponding hinge plate 54 to rotate, so that the grab 546 on hinge plate 54 and sieve
The second crotch 825 clamping on 82 second sides 822 or separation.In the present embodiment, each hinge plate 54 is correspondingly connected with one
A drive link 7.Drive link 7 includes rotating bar 72, connecting rod 74 and operating bar 76.Rotating bar 72 is parallel with supporting beam 4, turns
Lever 72 is rotationally installed on side plate 21 and one end of rotating bar 72 wears the side plate 21.In the present embodiment, it rotates
Bar 72 is rotatablely connected by an installation guide 9 with side plate 21, specially：Installation guide 9 is fixed on side plate by modes such as welding
On 21, rotating bar 72 rotationally wears installation guide 9, and rotating bar 72 is rotationally installed on screen box 2.
Connecting rod 74 and operating bar 76 are contained in screen box 2, the opposite end of connecting rod 74 respectively with rotating bar 72 and
Wherein one end of operating bar 76 connects；The free terminal of operating bar 76 is connect with the bottom surface of 54 plate body 542 of corresponding hinge plate.Specifically
Ground, in the present embodiment, connecting rod 74 are vertical with rotating bar 72, and operating bar 76 is vertical with connecting rod 74, operating bar 76 and company
Extension bar 74 constitutes a l-shaped rod.In the present embodiment, each drive link 7 includes multiple connecting rods 74,74 edge of multiple connecting rods
The length direction interval of rotating bar 72 is arranged, and one end is connect with rotating bar 72.Correspondingly, each drive link 7 corresponds to
Multiple connecting rods 74 are equipped with multiple operating bars 76, and one end of each operating bar 76 is connect with the free terminal of corresponding rotating bar 72,
The other end of each operating bar 76 is fixed on 542 bottom surface of plate body of hinge plate 54.Rotating bar 72, connecting rod 74, operating bar 76 with
It can be attached by modes such as welding between hinge plate 54.Pass through the cooperation of multiple connecting rods 74 and multiple operating bars 76, energy
Enough so that 54 uniform force of hinge plate, rotation are more stablized.
In the present embodiment, rotating bar 72 is located at one end outside screen box 2 and is also associated with handle 78, and handle 78 is located at screen box
Outside 2, the free terminal of handle 78 is also connect by elastic component 79 with the lateral wall of side plate 21.In the present embodiment, elastic component
79 be tension spring.
Please also refer to Fig. 1 and Fig. 6, vibrating screen 100 includes dust cover 10, and dust cover 10 is located at outside screen box 2, plays anti-
Dirt, Noise Reduction.It is provided with maintenance door on dust cover 10, in order to pick and place sieve 82 and operation screen tension device 3 and driving
Connecting rod 7 specifically in the present embodiment, corresponds to first there are two the settings of side mouth 24 of 2 both sides of screen box on dust cover 10
Maintenance door 11, this two the first maintenance doors 11 preferably use standard-sized sheet door, in order to pick and place sieve 82；It is corresponding on dust cover 10
The position that handle 78 is equipped on screen box 2 is provided with the second maintenance door 12, in order to operation handle 78.
It is appreciated that vibrating screen 100 further includes other elements, such as feed inlet 13, the distributing valve being arranged on screen box 2
14, vibrator 15, shock-absorbing supporting device 16 etc., wherein vibrator 15 includes vibrating grid, vibrating motor (or other vibratory drives
Mechanism), power resources are provided, sieve nest is made to generate vibration；Sieve nest support includes holder, damping spring 34 and bearing, effect
It is fixed vibration sieve nest, the vibration force for reducing sieve nest passes to mixing building body.This partly belongs to the prior art, to omit length,
Here it is not described in detail.
Embodiment of the present invention also provides a kind of bituminous mixing plant with above-mentioned vibrating screen 100.
The operation principle and flow of vibrating screen 100 are as follows：Refer to Fig. 1, it is assumed that the sieve 82 on the layer left side third from the bottom damages
When badly needing replacing, then the second maintenance door 12 in two the first maintenance doors 11 and dust cover 10 of dust cover 10 is opened.With
Pneumatic impact wrench unclamps the nut 36 on the screen tension device 3 being connect with the sieve 82, can be by latch hook 38 and 82 first side of sieve
Grab 546 on side 821 detaches.The sieve 82 is pushed to be moved along towards the direction of supporting beam 4, then rotational handle 78 so that
The rotating bar 72 in left side is rotated in the clockwise direction in Fig. 3, and connecting rod 74 and operating bar 76 are moved with rotating bar 72, operating bar 76
Support the hinge plate 54 being connect with sieve 82 to be replaced, lift the grab 546 on the hinge plate 54 so that the grab 546 with
The second crotch 825 separation on 82 second side 822 of sieve, you can sieve 82 will be removed, the sieve 82 from two that will finally remove
It is pulled out in gap and the first maintenance door 11 between a tensioning beam 25.When installation, the gap between two tensioning beams 25
Sieve 82 is pushed in screen box 2, while another people is pullled sieve 82 with long hook at first maintenance door 11 on right side inward.
Sieve 82 in place after, rotational handle 78 so that in Fig. 3 left side rotating bar 72 rotate in the counterclockwise direction, connecting rod 74 and make
Lever 76 is moved with rotating bar 72, and operating bar 76 pulls the hinge plate 54 being connect with sieve 82 to be replaced so that the hinge plate 54
On 546 position of grab reduce, until mutually caught on the second crotch 825 on 82 second side 822 of sieve, subsequent tensioning sieve
The screen tension device 3 of 82 tail portion of net so that screen tension device 3 is caught on the first crotch 823, and sieve 82, which is replaced, to be completed.On
Face process is by taking the replacement of the layer left side third from the bottom sieve 82 as an example, and the replacement of sieve 82 principle of other positions is similar, to omit
Length is not described in detail here.
The vibrating screen 100 of embodiment of the present invention, has the following advantages：
The second crotch 825 on 100 second side 822 of vibrating screen is set as by the 1, vibrating screen 100 of embodiment of the present invention
It bends upward, and is downward to bend by the grab 546 on fastening hook mechanism hinge plate 54, material is not easily accessible hinge plate 54 when use
Grab 546 in, do not interfere with the movement of hinge plate 54, worker is not necessarily to enter the material of cleaning accumulation in screen box 2.Replace sieve
When 82, screen tension device 3 and 82 first side 821 of sieve to be replaced can be realized outside screen box 2, by pneumatic impact wrench in worker
The separation of crotch crosses control drive link 7 and hinge plate 54 is driven to rotate logically, realize on hinge plate 54 grab 546 with it is to be replaced
The separation of 82 second side of sieve, 822 crotch, at this point, sieve 82 to be replaced can be removed from screen box 2, it is outside upper i.e. in screen box 2
Can implement to replace, and without removing other sieves 82, convenient, when section, is laborsaving, can on-demand operation, reach and only replace a damage sieve 82
Purpose.Enter compared to the prior art from 100 top of vibrating screen, other sieves of 82 top of damage sieve need to be removed one by one
82, and the substitute mode for hooking slot need to be cleared up, sieve 82 is replaced efficiency and is improved.
2, the vibrating screen 100 of embodiment of the present invention leaves in addition to the sieve changed 82 without removing any one component
Screen box 2, reduces hand labor intensity.Since worker is not necessarily to enter in vibrating screen 100, the operation ring of worker can be improved
Security risk is reduced in border.
3, fastening hook mechanism is easy to use, easy to operate, and investment is less.The fastening hook mechanism both may be adapted to bituminous mixing plant production
Producer applies when manufacturing new vibrating screen 100, and implements upgrading to old station vibrating screen 100 suitable for bituminous mixing plant user.
The device is not limited only to bituminous mixing plant vibrating screen field, can also expand and be applied to other fields, can be applied independently some
Body cannot be introduced into or it is other it is narrow, need in enclosure space frequently to carry out numerous engagement in the mechanical equipment of separating action.
4, the vibrating screen 100 of present embodiment only needs worker's rotational handle 78, can band by a rotating bar 72
Dynamic corresponding hinge plate 54 rotates, easy to use.However, since 2 volume of screen box is usually larger, hinge plate 54 and rotating bar 72 are corresponding
It is longer, cause the rotation of rotating bar 72 more hard.Therefore, the vibrating screen 100 of embodiment of the present invention, hinge jaw 52 is passed through
Fixed guide 6 is rotationally installed on the top surface of supporting beam 4, in use, not only hinge plate 54 can be rotated relative to hinge jaw 52,
Hinge jaw 52 can also be relatively fixed the rotation of guide 6, and then increase degree of freedom, reduce the difficulty of the rotation of rotating bar 72, reach
To labour-saving purpose.
5, the vibrating screen 100 of present embodiment, handle 78 are also connect by elastic component 79 with 2 outer wall of screen box, elastic component 79
Setting can offset partial vibration power when sieve 82 vibrates, reduce the abrasion between rotating bar 72 and fixed guide 6, reach
Improve the purpose of service life of equipment.
It is appreciated that in other embodiments, the number of plies of sieve mechanism 8 is not limited to six layers of present embodiment, as long as
Its number of plies is more than 1.Similarly, tensioning beam 25 and the number of supporting beam 4 are also not necessarily limited to present embodiment.
It is appreciated that in other embodiments, can also use other driving mechanisms that rotating bar 72 is driven to rotate, example
Such as, it is driven using motor, can also take the increase pneumatically or electrically components such as magnet valve group, realize the remote control to drive link 7.
In the present embodiment, each hinge plate 54 corresponds to a drive link 7.In other embodiments, Mei Yihe
The bottom surface of page board 54 can also be connected there are two drive link 7.Two drive links 7 are separately positioned on opposite the two of hinge plate 54
End.The rotating bar 72 of two drive links 7 is rotationally installed on two side plates 21 and wears corresponding side plate 21 respectively, each
The end that rotating bar 72 is located at outside screen box 2 is respectively connected with handle 78.This kind of set-up mode can reduce to be rotated in each drive link 7
The length of bar 72 convenient for rotation rotating bar 72, but needs two workers to operate simultaneously to realize the rotation of rotating bar 72.
It is appreciated that the structure of drive link 7 is not limited to the present embodiment, as long as hinge plate 54 can be driven to rotate, with reality
The link mechanism for being clamped with detaching of existing grab 546 and the second crotch 825.
Above description is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
Bright patent claim, it is all the present invention suggested by technical spirit under completed same changes or modifications change, should all belong to
In the covered the scope of the claims of the present invention.
Claims (10)
1. a kind of vibrating screen, including screen box and the sieve that is installed in the screen box, the screen box have side mouth, the side
Portion's opening is installed with tensioning beam, is equipped with screen tension device on the tensioning beam, supporting beam is installed in the screen box；Institute
It includes the first side and second side being oppositely arranged to state sieve, and the first side is equipped with the first crotch bent downward；
First crotch of the sieve is clamped with the screen tension device；It is characterized in that：The second side of the sieve is equipped with
The second crotch bent upward；Fastening hook mechanism is installed, the fastening hook mechanism includes that company is buckled and driven to hinge in the supporting beam
Bar, the hinge buckle the hinge plate being rotatablely connected including hinge jaw and with the hinge jaw, and the hinge jaw is installed in the branch
On the top surface for supportting beam, the side of the relatively described hinge jaw of the hinge plate is equipped with the grab bent downward；The bottom of the hinge plate
Face is connected with the drive link, and the drive link wears the screen box, and under the effect of external force, the drive link can
The hinge plate is driven to rotate, so that the grab on the hinge plate is clamped with the second crotch on the sieve second side
Or separation.
2. vibrating screen as described in claim 1, it is characterised in that：The hinge jaw is rotationally installed in institute by fixed guide
It states on the top surface of supporting beam.
3. vibrating screen as claimed in claim 2, it is characterised in that：The quantity of the fixed guide be several, several institutes
Fixed guide is stated to be fixed on the top surface of the supporting beam along the length direction compartment of terrain of the supporting beam；The hinge plate includes
Plate body and the turning set for being connected to the plate body side, the hinge jaw rotationally wear several described fixed guidees and described
The turning set of hinge plate, the bottom surface of the plate body are connect with the drive link；The grab is connected on the plate body, and with
The turning set is oppositely arranged.
4. vibrating screen as described in claim 1, it is characterised in that：The drive link includes rotating bar, connecting rod and start
Bar, the rotating bar are rotationally installed on the screen box and wear the screen box, and the rotating bar is parallel with the supporting beam；
The connecting rod and the operating bar are contained in the screen box, the opposite end of the connecting rod respectively with the rotating bar
And wherein one end connection of the operating bar；The free terminal of the operating bar is connect with the bottom surface of the hinge plate.
5. vibrating screen as claimed in claim 4, it is characterised in that：The connecting rod is vertical with the rotating bar, the start
Bar is vertical with the connecting rod.
6. vibrating screen as claimed in claim 4, it is characterised in that：The rotating bar is turned by an installation guide with the screen box
Dynamic connection.
7. vibrating screen as claimed in claim 6, it is characterised in that：One end that the rotating bar is located at outside the screen box is also connected with
There are handle, the handle to be located at outside the screen box, the free terminal of the handle also passes through the outside of elastic component and the screen box
Wall connects.
8. vibrating screen as claimed in claim 7, it is characterised in that：The vibrating screen includes dust cover, and the dust cover is provide with
Outside the screen box, the side mouth that screen box is corresponded on the dust cover is provided with the first maintenance door, in order to pick and place sieve；Institute
It states and corresponds to the position for being equipped with handle on screen box on dust cover and be provided with the second maintenance door, in order to operation handle.
9. a kind of bituminous mixing plant, including vibrating screen, it is characterised in that：The vibrating screen is according to any in claim 1-8
Vibrating screen described in.
10. a kind of fastening hook mechanism, it is characterised in that：Buckled including hinge and drive link, the hinge buckle including hinge jaw and with
The hinge jaw is rotatablely connected hinge plate, and the side of the relatively described hinge jaw of the hinge plate is equipped with the grab bent downward；Institute
The bottom surface for stating hinge plate is connected with the drive link, and under the effect of external force, the drive link can drive the hinge
Plate rotates, so as to lift or lower the grab on the hinge plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810623139.XA CN108772273B (en) | 2018-06-15 | 2018-06-15 | Hook mechanism, vibrating screen and asphalt mixing plant with vibrating screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810623139.XA CN108772273B (en) | 2018-06-15 | 2018-06-15 | Hook mechanism, vibrating screen and asphalt mixing plant with vibrating screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108772273A true CN108772273A (en) | 2018-11-09 |
| CN108772273B CN108772273B (en) | 2024-01-19 |
Family
ID=64026116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810623139.XA Active CN108772273B (en) | 2018-06-15 | 2018-06-15 | Hook mechanism, vibrating screen and asphalt mixing plant with vibrating screen |
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| Country | Link |
|---|---|
| CN (1) | CN108772273B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110681575A (en) * | 2019-11-06 | 2020-01-14 | 河南太行重型机械股份有限公司 | Multifunctional sand and stone vibrating screen convenient to replace screen cloth |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4035859A1 (en) * | 1990-11-10 | 1992-05-14 | Franzen Soehne S | Closure with bolt and hinge for suitcases - has spring tensioned operating lever held closed by slider |
| JP2004244039A (en) * | 2003-02-12 | 2004-09-02 | Yoshida Industry Co Ltd | Container |
| US20090294335A1 (en) * | 2008-05-31 | 2009-12-03 | Mark Roppo | Vibrating screen tensioning apparatus and method |
| EP3214245A1 (en) * | 2016-03-04 | 2017-09-06 | Iseo France | Door, in particular a fire-protection door provided with a safety device |
| CN107214076A (en) * | 2017-07-31 | 2017-09-29 | 徐工集团工程机械有限公司 | Vibratory sieve intermediate transverse girder, vibratory sieve and asphalt blending station |
-
2018
- 2018-06-15 CN CN201810623139.XA patent/CN108772273B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4035859A1 (en) * | 1990-11-10 | 1992-05-14 | Franzen Soehne S | Closure with bolt and hinge for suitcases - has spring tensioned operating lever held closed by slider |
| JP2004244039A (en) * | 2003-02-12 | 2004-09-02 | Yoshida Industry Co Ltd | Container |
| US20090294335A1 (en) * | 2008-05-31 | 2009-12-03 | Mark Roppo | Vibrating screen tensioning apparatus and method |
| EP3214245A1 (en) * | 2016-03-04 | 2017-09-06 | Iseo France | Door, in particular a fire-protection door provided with a safety device |
| CN107214076A (en) * | 2017-07-31 | 2017-09-29 | 徐工集团工程机械有限公司 | Vibratory sieve intermediate transverse girder, vibratory sieve and asphalt blending station |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110681575A (en) * | 2019-11-06 | 2020-01-14 | 河南太行重型机械股份有限公司 | Multifunctional sand and stone vibrating screen convenient to replace screen cloth |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108772273B (en) | 2024-01-19 |
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