CN118455078A - Sand and stone screening device for constructional engineering - Google Patents
Sand and stone screening device for constructional engineering Download PDFInfo
- Publication number
- CN118455078A CN118455078A CN202410909677.0A CN202410909677A CN118455078A CN 118455078 A CN118455078 A CN 118455078A CN 202410909677 A CN202410909677 A CN 202410909677A CN 118455078 A CN118455078 A CN 118455078A
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- China
- Prior art keywords
- screening
- swing
- sand
- bin
- fine
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- Granted
Links
- 238000012216 screening Methods 0.000 title claims abstract 56
- 239000004576 sand Substances 0.000 title claims abstract 12
- 239000004575 stone Substances 0.000 title 1
- 238000010276 construction Methods 0.000 claims abstract 10
- 238000001514 detection method Methods 0.000 claims abstract 10
- 229910000831 Steel Inorganic materials 0.000 claims 6
- 239000010959 steel Substances 0.000 claims 6
- 238000007599 discharging Methods 0.000 claims 4
- 238000007873 sieving Methods 0.000 claims 1
- 238000009423 ventilation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 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
- B07B1/38—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens oscillating in a circular arc in their own plane; Plansifters
-
- 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
-
- 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
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention relates to the technical field of sand screening, in particular to a sand screening device for constructional engineering, which comprises a screening bottom bracket and further comprises: the device comprises a screening bottom bracket, a supporting plate, a weight detection sleeve, a swing rotating shaft, a fine screening bin and a coarse screening soft net, wherein the supporting plate is fixedly connected with the screening bottom bracket, the weight detection sleeve is fixedly installed on the supporting plate, the swing rotating shaft is inserted into the weight detection sleeve and is rotationally connected with the weight detection sleeve, the fine screening bin is fixedly installed on the swing rotating shaft, and the coarse screening soft net is arranged in the fine screening bin; the screening control mechanism is respectively connected with the screening bottom bracket, the lifting support plate, the fine screening bin, the coarse screening soft net and the swing rotating shaft; the gravel screening device for the construction engineering can fully screen gravel, is favorable for improving screening effect and provides convenience for subsequent production work.
Description
Technical Field
The invention relates to the technical field of sand screening, in particular to a sand screening device for constructional engineering.
Background
Sand and stone screening devices for construction engineering, such as sand and stone screening machines or sand and stone separators, play a vital role in construction engineering. Firstly, sand is an indispensable raw material in construction engineering, and its quality and granularity have a direct influence on the overall performance of the construction material. Therefore, how to efficiently and accurately screen out the sand and stone materials meeting the requirements becomes a problem which must be solved in the construction engineering. Sand screening devices have been developed as a key tool to solve this problem. In the construction industry, the sand and stone screening device is mainly applied to the aspects of concrete, railway construction, road construction, foundation engineering, simple buildings and the like. By screening the sand and stone materials with different granularity, the devices can effectively improve the quality and durability of the building materials. Meanwhile, the sand stone dust remover can remove soil, impurities and other harmful substances in the sand stone, and ensure that the quality of the sand stone reaches the standard.
The existing gravel screening device for construction engineering is poor in mobility of gravel in the use process, gravel is difficult to fully screen, particularly gravel mixed on the upper portion of the gravel is difficult to drop downwards through a screen, screening effect is poor, follow-up use is affected, and accordingly, the gravel screening device for construction engineering needs to be developed urgently to overcome the defects in current practical application.
Disclosure of Invention
The invention aims to provide a gravel screening device for constructional engineering, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a grit sieving mechanism for building engineering, includes the screening bottom bracket, still includes:
The device comprises a screening bottom bracket, a supporting plate, a weight detection sleeve, a swing rotating shaft, a fine screening bin and a coarse screening soft net, wherein the supporting plate is fixedly connected with the screening bottom bracket, the weight detection sleeve is fixedly installed on the supporting plate, the swing rotating shaft is inserted into the weight detection sleeve and is rotationally connected with the weight detection sleeve, the fine screening bin is fixedly installed on the swing rotating shaft, and the coarse screening soft net is arranged in the fine screening bin;
The screening control mechanism is respectively connected with the screening bottom bracket, the lifting support plate, the fine screening bin, the coarse screening soft net and the swing rotating shaft;
The screening control mechanism comprises a swing screening assembly and a swing dragging assembly, wherein the swing screening assembly is respectively connected with the lifting support plate and the swing rotating shaft, and the swing dragging assembly is respectively connected with the screening bottom support, the fine screening bin and the coarse screening soft net.
As a further scheme of the invention: further comprises: the number of the sieve holes is multiple, and the sieve holes are uniformly distributed on the side wall and the bottom wall of the fine screening bin.
As a further scheme of the invention: further comprises: the first discharging cylinder and the second discharging cylinder are fixedly connected with the lifting support plate, and openings on the side parts of the first discharging cylinder and the second discharging cylinder are opposite to the openings on the side wall of the fine screening bin;
The first guide groove plate and the second guide groove plate are respectively connected with the outlets of the second discharge cylinder and the first discharge cylinder and are fixedly connected with the lifting support plate;
And the number of the lifting supports is four, and the four lifting supports are respectively connected with the four corners of the screening bottom bracket.
As a further scheme of the invention: the swing screen assembly includes:
the driving machine case is fixedly connected with the lifting support plate, and one end of the swing rotating shaft is inserted into the driving machine case and is in rotary connection with the driving machine case;
the driven crank plate is positioned in the driving machine case and fixedly connected with the swing rotating shaft;
and the swing driving unit is respectively connected with the driving machine case and the driven crank plate.
As a further scheme of the invention: the swing driving unit includes:
the driving motor is fixedly connected with the driving machine case, a driving wheel is fixedly arranged at the output end of the driving motor, and the driving wheel is positioned in the driving machine case;
The driving adjusting rod is fixedly arranged on the driving wheel;
And the swing adjusting module is respectively connected with the driven crank plate and the driving adjusting rod.
As a further scheme of the invention: the swing adjusting module includes:
The connecting column is fixedly arranged on the driven crank plate;
The adjusting slide column is positioned on the driving adjusting rod and is detachably connected with the driving adjusting rod through a locking piece;
and two ends of the movable connecting rod are respectively connected with the connecting column and the adjusting slide column in a rotating way.
As a further scheme of the invention: further comprises: the ventilation groove and the overhaul cover plate are both positioned on the driving machine case;
And the controller is fixedly arranged on the lifting support plate and is electrically connected with the screening control mechanism.
As a further scheme of the invention: the swing and drag assembly includes:
the number of the steel struts is two, and the two steel struts are respectively and fixedly arranged at two ends of the coarse screening soft net;
And the number of the dragging control units is two, the two dragging control units are respectively fixedly connected with the two steel struts and symmetrically arranged on two sides of the fine screening bin, and the dragging control units are also fixedly connected with the screening bottom support.
As a further scheme of the invention: the drag control unit includes:
the inclined support rod is fixedly arranged on the inner wall of the fine screening bin, a rotating shaft is rotatably arranged on the inclined support rod, and a plurality of clamping guide wheels are fixedly arranged on the rotating shaft;
The detection control cylinders are equal to the clamping guide wheels in number, are fixedly arranged on the screening bottom bracket and are arranged opposite to the clamping guide wheels respectively;
And one end of the vibrating steel stay rope is fixedly connected with the steel support rod, and the other end of the vibrating steel stay rope bypasses the clamping guide wheel and is connected with the detection control cylinder.
As a further scheme of the invention: further comprises: the device comprises Bian Danxing plates, wherein the number of the edge-wrapping elastic plates is two, the two edge-wrapping elastic plates are respectively positioned at two sides of the coarse screening soft net, and the edge-wrapping elastic plates are also in sliding connection with the inner wall of the fine screening bin.
Compared with the prior art, the invention has the beneficial effects that:
When sand and stone are screened, firstly, sand and stone to be screened are poured into a coarse screening soft net, wherein the coarse screening soft net is positioned in a fine screening bin and is not contacted with the fine screening bin, at the moment, the weight of the sand and stone to be screened can be detected through a weight detection sleeve, then, a swing screening assembly is started to drive a swing rotating shaft to rotate reciprocally, the fine screening bin can be in a swing state in the process of the swing rotating shaft to rotate reciprocally, and the sand and stone in the coarse screening soft net can roll reciprocally at different positions of the coarse screening soft net through swinging and dragging the form of reciprocating dragging the two ends of the coarse screening soft net while the fine screening bin swings, so that on one hand, different positions of the sand and stone can be contacted with the coarse screening soft net in the sand and stone rolling process, and on the other hand, the screening effect can be improved, because all sand and stones alternately roll reciprocally and reciprocally at different positions on the coarse screening soft screen at the same time, under the action of impact and shaking, the blocking probability of the coarse screening soft screen can be reduced, in addition, during the reciprocal swinging process of the fine screening bin, the side wall of the fine screening bin can be arranged right below the coarse screening soft screen and sand and stones inside the coarse screening soft screen, at the moment, sand and stones with smaller particle diameters can fall on the side wall of the fine screening bin and gradually slide from the side wall of the fine screening bin to the bottom of the fine screening bin under the action of the gravity of the sand and stones, and sand and stones with smaller diameters can be downwards discharged through sieve holes and collected through a receiving disc at the bottom of the fine screening bin under the state that sand and stones are scattered downwards and slide, on one hand, the sand and stones with different particle diameters can be screened for multiple times, and sand and stones with different particle diameters can be screened out, so that the sand and stones with different particle diameters can be used later conveniently, the sand and stone screening device has the advantages that sand and stone falls on the side wall of the fine screening bin in a dispersed state and continuously slides downwards, the effect of screening is prevented from being influenced due to accumulation of raw materials, poor screening effect (a small amount of scattered screening mode is avoided due to the fact that a large amount of sand and stone is screened in a batch mode and a small amount of scattered screening mode), the screening effect is better, finally, the sand and stone screening condition can be known through detection of the weight of sand and stone in the fine screening bin and the coarse screening soft screen through the weight detection sleeve, and after screening work is finished, two lifting supports on one side of the screening bottom support are started, wherein the lifting supports can be in a telescopic cylinder mode, so that whole equipment is in an inclined state, sand and stone in the fine screening bin and the coarse screening soft screen respectively enter the first sand and stone discharging bin second through the action of gravity of the diversion groove plate second and flow to a specified collecting box respectively, and small gaps exist between the first sand and stone discharging bin and the second sand and stone discharging bin, and two sand and stone discharging outlets on the fine screening bin can be closed, and the sand and stone screening soft screen can be fully produced conveniently.
Drawings
Fig. 1 is a schematic perspective view of a sand screening device for construction engineering in a front side direction according to an embodiment of the present invention.
Fig. 2 is a schematic view of a three-dimensional structure of a sand screening device for construction engineering in a rear side direction in an embodiment of the present invention.
Fig. 3 is a schematic perspective view of a fine screening bin according to an embodiment of the present invention.
Fig. 4 is a schematic cross-sectional view of a swing shaft according to an embodiment of the present invention.
Fig. 5 is a schematic perspective view of a discharge cylinder according to an embodiment of the present invention.
Fig. 6 is a schematic perspective view of a coarse screening soft net according to an embodiment of the present invention.
Fig. 7 is a schematic diagram of a front cross-sectional structure of a drive casing according to an embodiment of the present invention.
In the figure: the device comprises a 1-screening bottom bracket, a 2-lifting support plate, a 3-driving machine box, a 4-lifting support, a 5-fine screening bin, a 6-weight detection sleeve, a 7-ventilation groove, an 8-detection control cylinder, a 9-vibration steel pull rope, a 10-diversion groove plate I, a 11-diversion groove plate II, a 12-driving motor, a 13-overhaul cover plate, a 14-controller, 15-sieve holes, 16-steel support rods, 17-coarse screening soft nets, 18-swinging rotating shafts, a 19-discharge cylinder I, 20-discharge cylinder II, 21-inclined support rods, 22-rotating shafts, 23-clamping guide wheels, 24-packing Bian Danxing plates, 25-driven crank plates, 26-driving wheels, 27-connecting columns, 28-movable connecting rods, 29-adjusting slide columns, 30-locking pieces and 31-driving adjusting rods.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
Referring to fig. 1 to 7, the sand screening device for construction engineering provided by the embodiment of the invention includes a screening bottom bracket 1, and further includes:
the screening device comprises a screening bottom bracket 1, a lifting support plate 2, a weight detection sleeve 6, a swinging rotating shaft 18, a fine screening bin 5, a coarse screening soft net 17 and a screening support plate, wherein the lifting support plate 2 is fixedly connected with the screening bottom bracket 1, the weight detection sleeve 6 is fixedly installed on the lifting support plate 2, the swinging rotating shaft 18 is inserted into the weight detection sleeve 6 and is rotatably connected with the weight detection sleeve 6, the fine screening bin 5 is fixedly installed on the swinging rotating shaft 18, and the coarse screening soft net 17 is arranged in the fine screening bin 5;
The screening control mechanism is respectively connected with the screening bottom bracket 1, the lifting support plate 2, the fine screening bin 5, the coarse screening soft net 17 and the swing rotating shaft 18;
The screening control mechanism comprises a swinging screening component and a swinging dragging component, wherein the swinging screening component is respectively connected with the lifting support plate 2 and the swinging rotating shaft 18, and the swinging dragging component is respectively connected with the screening bottom support 1, the fine screening bin 5 and the coarse screening soft net 17.
Further comprises: the number of the sieve holes 15 is a plurality of sieve holes 15, and a plurality of sieve holes 15 are uniformly distributed on the side wall and the bottom wall of the fine screening bin 5.
Further comprises: the first discharging cylinder 19 and the second discharging cylinder 20 are fixedly connected with the lifting support plate 2, and openings on the side parts of the first discharging cylinder 19 and the second discharging cylinder 20 are opposite to the openings on the side wall of the fine screening bin 5;
The guide groove plates I10 and II 11 are respectively connected with the outlets of the discharge cylinder II 20 and the discharge cylinder I19 and are fixedly connected with the lifting support plate 2;
And the number of the lifting supports 4 is four, and the four lifting supports 4 are respectively connected with the four corners of the screening bottom bracket 1.
When sand and stone are screened, firstly, sand and stone to be screened are poured into a coarse screening soft net 17, wherein the coarse screening soft net 17 is positioned in a fine screening bin 5 and is not contacted with the fine screening bin 5, at the moment, the weight of the sand and stone to be screened can be detected through a weight detection sleeve 6, then, a swinging screening assembly is started to drive a swinging rotating shaft 18 to rotate reciprocally, the fine screening bin 5 can be in a swinging state in the process of rotating the swinging rotating shaft 18 reciprocally, sand and stone in the coarse screening soft net 17 can roll reciprocally at different positions of the coarse screening soft net 17 in a reciprocating manner by swinging and dragging the two ends of the coarse screening soft net 17 while the fine screening bin 5 swings, on one hand, different positions of sand and stone can be contacted with the coarse screening soft net 17 in the sand and stone rolling process, so that the screening effect can be improved, because all the sand and stones alternately roll reciprocally and reciprocally at different positions on the coarse screening soft net 17 at the same time, under the action of impact and shaking, the probability of blocking of the coarse screening soft net 17 can be reduced, in addition, during the reciprocal shaking process of the fine screening bin 5, the side wall of the fine screening bin 5 can be arranged right below the coarse screening soft net 17 and sand and stones inside the coarse screening soft net, at the moment, sand and stones with smaller particle diameters can fall on the side wall of the fine screening bin 5, and under the action of the gravity of the sand and stones, the sand and stones gradually slide from the side wall of the fine screening bin 5 to the bottom of the fine screening bin 5, sand and stones with smaller diameters can be downwards discharged through the sieve holes 15 and collected through the receiving disc at the bottom of the fine screening bin 5, on one hand, the sand and stones with different particle diameters can be screened out, and the effect of the sand and stones with different particle diameters can be improved, the utility model provides a sand and gravel screening device, on the other hand, be convenient for follow-up use, fall on the lateral wall of fine screening storehouse 5 under the dispersed state and downward continuously slide, can avoid appearing piling up because of the raw materials and influence the effect of screening, still can avoid leading to screening effect poor (batchwise, a small amount of scattered screening's mode, screening effect is better) because of once only screening a large amount of sand and gravel, finally, detect the detection of sand and gravel weight in fine screening storehouse 5 and the coarse screening soft net 17 through weight detection sleeve 6, can know the condition that the grit was screened, and after screening work is finished, start two lift supports 4 of screening end support 1 one side, wherein, lift support 4 can adopt the form of telescopic cylinder, so that whole equipment is in the inclined state, at this moment, in the effect under the effect of the grit self gravity in fine screening storehouse 5 and coarse screening soft net 17, get into respectively in discharge cylinder one 19 and discharge cylinder two 20, and flow to appointed collection box through guide slot two 11 respectively, wherein, discharge cylinder one 19 and discharge cylinder two fine screening storehouse 20 and 5 have been done, the fine screening effect is convenient for the improvement in the follow-up screening that the fine screening storehouse is easy, and the fine screening is difficult to carry out in the follow-up screening operation.
In one embodiment of the present invention, referring to fig. 1-7, the swing screen assembly includes:
The driving machine case 3 is fixedly connected with the lifting support plate 2, wherein one end of the swinging rotating shaft 18 is inserted into the driving machine case 3 and is in rotating connection with the driving machine case 3;
The driven crank plate 25 is positioned in the driving case 3 and fixedly connected with the swing rotating shaft 18;
And a swing drive unit connected to the drive housing 3 and the driven crank plate 25, respectively.
The swing driving unit includes:
the driving motor 12 is fixedly connected with the driving case 3, a driving wheel 26 is fixedly arranged at the output end of the driving motor 12, and the driving wheel 26 is positioned in the driving case 3;
a drive adjustment lever 31, the drive adjustment lever 31 being fixedly mounted on the drive wheel 26;
And a swing adjusting module connected to the driven crank plate 25 and the driving adjusting lever 31, respectively.
The swing adjusting module includes:
a connecting post 27, the connecting post 27 being fixedly mounted on the driven crank plate 25;
The adjusting slide column 29 is positioned on the driving adjusting rod 31 and is detachably connected with the driving adjusting rod 31 through a locking piece 30;
And a movable connecting rod 28, wherein two ends of the movable connecting rod 28 are respectively and rotatably connected with the connecting column 27 and the adjusting slide column 29.
Further comprises: the air-permeable groove 7 and the access cover plate 13 are positioned on the drive chassis 3;
And the controller 14 is fixedly arranged on the lifting support plate 2 and is electrically connected with the screening control mechanism.
In the process of screening sand, the driving motor 12 is started to drive the driving wheel 26 to rotate in the driving case 3, when the driving wheel 26 rotates, the driving adjusting rod 31 is driven to synchronously rotate, the driven crank plate 25 is pushed and pulled to and fro through the movable connecting rod 28 to rotate, the driven crank plate 25 drives the swinging rotary shaft 18 to reciprocate within a certain angle range, thereby realizing the reciprocating swinging of the fine screening bin 5, in addition, the position of the adjusting sliding column 29 on the driving adjusting rod 31 can be adjusted in the existing manual or automatic mode through the cooperation of the adjusting sliding column 29 and the locking piece 30, so that the aim of adjusting the swinging amplitude of the fine screening bin 5 in the screening process according to the condition of sand particles can be fulfilled, more screening scenes can be met, the practicability and the flexibility of equipment are improved, excessive repeated description are not needed, and when the equipment fails or stops, the equipment in the driving case 3 is overhauled by disassembling the overhauling cover plate 13.
In one embodiment of the present invention, referring to fig. 1-7, the swing tractor assembly includes:
The number of the steel struts 16 is two, and the two steel struts 16 are respectively and fixedly arranged at two ends of the coarse screening soft net 17;
and the number of the dragging control units is two, the two dragging control units are respectively fixedly connected with the two steel struts 16 and symmetrically arranged on two sides of the fine screening bin 5, and the dragging control units are also fixedly connected with the screening bottom bracket 1.
The drag control unit includes:
The inclined support rod 21 is fixedly arranged on the inner wall of the fine screening bin 5, a rotating shaft 22 is rotatably arranged on the inclined support rod 21, and a plurality of clamping guide wheels 23 are fixedly arranged on the rotating shaft 22;
the detection control cylinders 8 are equal to the clamping guide wheels 23 in number, and the detection control cylinders 8 are fixedly arranged on the screening bottom bracket 1 and are respectively opposite to the clamping guide wheels 23;
And one end of the vibrating steel stay rope 9 is fixedly connected with the steel support rod 16, and the other end of the vibrating steel stay rope 9 bypasses the clamping guide wheel 23 and is connected with the detection control cylinder 8.
Further comprises: the number of the binding elastic plates 24 is two, the two binding elastic plates 24 are respectively positioned at two sides of the coarse screening soft net 17, and the binding elastic plates 24 are also in sliding connection with the inner wall of the fine screening bin 5.
In the reciprocating swing process of the fine screening bin 5, as one end of the vibrating steel pull rope 9 is fixedly connected with the detection control cylinder 8, the vibrating steel pull rope 9 on one side of the fine screening bin 5 can be in a tensioning state along with the rotation of the fine screening bin 5, and the vibrating steel pull rope 9 on the other side of the fine screening bin 5 is in a loosening state, at this time, the vibrating steel pull rope 9 in the tensioning state can pull one end of the coarse screening soft net 17 to move upwards, in addition, the control of the included angle between the steel support rod 16 and the inner wall of the fine screening bin 5 through the inclined support rod 21 can prevent the vibrating steel pull rope 9 from colliding with the inner wall of the fine screening bin 5 in the upward moving process of one end of the coarse screening soft net 17 (of course, The angle of the inclined supporting rod 21 can be set, when one end of the coarse screening soft net 17 moves up to the highest point, namely, when the fine screening bin 5 swings to the highest angle, the steel supporting rod 16 can slightly collide with the inner wall of the fine screening bin 5, so that the coarse screening soft net 17 and the fine screening bin 5 vibrate under the collision action, the sand screening effect can be improved on the premise of ensuring stable operation of equipment, the sand screening effect can be set according to actual needs and not repeated here, when one end of the coarse screening soft net 17 moves up and the other end moves down, sand in the coarse screening soft net 17 can roll, and the purpose of preliminary screening sand is realized, The sand flowing downwards through the coarse screening soft net 17 gradually falls on the side wall of the fine screening bin 5 and slides downwards on the side wall of the fine screening bin 5, in the process, the sand can be screened for the second time through a plurality of screen holes 15, meanwhile, in the process, under the action of guiding the vibrating steel pull rope 9 through the clamping guide wheels 23, the vibrating steel pull rope 9 can be prevented from falling off from the clamping guide wheels 23, the smooth-surface package Bian Danxing plate 24 slides on the inner side wall of the fine screening bin 5 to ensure the stability of shaking screening, in addition, the vibrating steel pull rope 9 can be driven to move in the rotating process through the synchronous rotation of the clamping guide wheels 23, So as to ensure the synchronism of the end part of the coarse screening soft net 17 in the process of being pulled, thereby enabling sand and stones to be steadily rocked and screened in the coarse screening soft net 17, wherein a telescopic rod form can be arranged in the detection control cylinder 8 and is fixedly connected with the end part of the vibrating steel pull rope 9, the length of the vibrating steel pull rope 9 can be adjusted in the screening process, thereby changing the pulled height of the end part of the coarse screening soft net 17, further changing the screening effect, and not being repeated, in addition, a plurality of vibrators (not shown in the figure) can be arranged on the vibrating steel pull rope 9, on one hand, the coarse screening soft net 17 can be vibrated in the screening process, thereby improving the screening effect, on the other hand, Because fine screening storehouse 5 is V type structure, upper portion opening size is great, then behind fine screening storehouse 5 rotation certain angle, the vibrator on the vibration steel stay cord 9 that is in taut state can be in contact with the lateral wall of fine screening storehouse 5 to compress tightly on the lateral wall of fine screening storehouse 5, at this moment, the grit that the granule size is less in the coarse screening soft network 17 can fall on another inside wall of fine screening storehouse 5, thereby can be to the grit that is in the landing state on fine screening storehouse 5 inside wall, make it produce vibration, avoid it to appear piling up, be favorable to further improving the screening effect, do not make too much in detail here.
It should be noted that, in the present invention, unless explicitly specified and defined otherwise, terms such as "sliding", "rotating", "fixing", "provided" and the like should be interpreted broadly, and may be, for example, welded, bolted, or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. The utility model provides a grit sieving mechanism for building engineering, includes screening bottom bracket, its characterized in that still includes:
The device comprises a screening bottom bracket, a supporting plate, a weight detection sleeve, a swing rotating shaft, a fine screening bin and a coarse screening soft net, wherein the supporting plate is fixedly connected with the screening bottom bracket, the weight detection sleeve is fixedly installed on the supporting plate, the swing rotating shaft is inserted into the weight detection sleeve and is rotationally connected with the weight detection sleeve, the fine screening bin is fixedly installed on the swing rotating shaft, and the coarse screening soft net is arranged in the fine screening bin;
The screening control mechanism is respectively connected with the screening bottom bracket, the lifting support plate, the fine screening bin, the coarse screening soft net and the swing rotating shaft;
The screening control mechanism comprises a swing screening assembly and a swing dragging assembly, wherein the swing screening assembly is respectively connected with the lifting support plate and the swing rotating shaft, and the swing dragging assembly is respectively connected with the screening bottom support, the fine screening bin and the coarse screening soft net.
2. The sand screening device for construction engineering according to claim 1, further comprising: the number of the sieve holes is multiple, and the sieve holes are uniformly distributed on the side wall and the bottom wall of the fine screening bin.
3. The sand screening device for construction engineering according to claim 2, further comprising: the first discharging cylinder and the second discharging cylinder are fixedly connected with the lifting support plate, and openings on the side parts of the first discharging cylinder and the second discharging cylinder are opposite to the openings on the side wall of the fine screening bin;
The first guide groove plate and the second guide groove plate are respectively connected with the outlets of the second discharge cylinder and the first discharge cylinder and are fixedly connected with the lifting support plate;
And the number of the lifting supports is four, and the four lifting supports are respectively connected with the four corners of the screening bottom bracket.
4. A sand screening apparatus for construction projects according to any one of claims 1 to 3, wherein said swing screening assembly includes:
the driving machine case is fixedly connected with the lifting support plate, and one end of the swing rotating shaft is inserted into the driving machine case and is in rotary connection with the driving machine case;
the driven crank plate is positioned in the driving machine case and fixedly connected with the swing rotating shaft;
and the swing driving unit is respectively connected with the driving machine case and the driven crank plate.
5. The sand screening device for construction engineering according to claim 4, wherein the swing driving unit includes:
the driving motor is fixedly connected with the driving machine case, a driving wheel is fixedly arranged at the output end of the driving motor, and the driving wheel is positioned in the driving machine case;
The driving adjusting rod is fixedly arranged on the driving wheel;
And the swing adjusting module is respectively connected with the driven crank plate and the driving adjusting rod.
6. The sand screening device for construction engineering according to claim 5, wherein the swing adjusting module includes:
The connecting column is fixedly arranged on the driven crank plate;
The adjusting slide column is positioned on the driving adjusting rod and is detachably connected with the driving adjusting rod through a locking piece;
and two ends of the movable connecting rod are respectively connected with the connecting column and the adjusting slide column in a rotating way.
7. The sand screening device for construction engineering according to claim 6, further comprising: the ventilation groove and the overhaul cover plate are both positioned on the driving machine case;
And the controller is fixedly arranged on the lifting support plate and is electrically connected with the screening control mechanism.
8. The sand screening device for construction engineering of claim 1, wherein the swing and drag assembly comprises:
the number of the steel struts is two, and the two steel struts are respectively and fixedly arranged at two ends of the coarse screening soft net;
And the number of the dragging control units is two, the two dragging control units are respectively fixedly connected with the two steel struts and symmetrically arranged on two sides of the fine screening bin, and the dragging control units are also fixedly connected with the screening bottom support.
9. The sand screening device for construction engineering according to claim 8, wherein the drag control unit includes:
the inclined support rod is fixedly arranged on the inner wall of the fine screening bin, a rotating shaft is rotatably arranged on the inclined support rod, and a plurality of clamping guide wheels are fixedly arranged on the rotating shaft;
The detection control cylinders are equal to the clamping guide wheels in number, are fixedly arranged on the screening bottom bracket and are arranged opposite to the clamping guide wheels respectively;
And one end of the vibrating steel stay rope is fixedly connected with the steel support rod, and the other end of the vibrating steel stay rope bypasses the clamping guide wheel and is connected with the detection control cylinder.
10. The sand screening device for construction engineering according to claim 1, further comprising: the device comprises Bian Danxing plates, wherein the number of the edge-wrapping elastic plates is two, the two edge-wrapping elastic plates are respectively positioned at two sides of the coarse screening soft net, and the edge-wrapping elastic plates are also in sliding connection with the inner wall of the fine screening bin.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410909677.0A CN118455078B (en) | 2024-07-09 | 2024-07-09 | Sand and stone screening device for constructional engineering |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410909677.0A CN118455078B (en) | 2024-07-09 | 2024-07-09 | Sand and stone screening device for constructional engineering |
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| CN118455078B CN118455078B (en) | 2024-10-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118728472A (en) * | 2024-08-30 | 2024-10-01 | 中铁四局集团有限公司 | A tunnel engineering underground mud transportation system |
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| CN118455078B (en) | 2024-10-22 |
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