CN113546841B - Gravel rapid impurity filtering device for constructional engineering - Google Patents
Gravel rapid impurity filtering device for constructional engineering Download PDFInfo
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- CN113546841B CN113546841B CN202110835815.1A CN202110835815A CN113546841B CN 113546841 B CN113546841 B CN 113546841B CN 202110835815 A CN202110835815 A CN 202110835815A CN 113546841 B CN113546841 B CN 113546841B
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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
- B07B1/36—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro in more than one direction
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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
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
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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
- B07B1/46—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
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- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a sand and stone fast impurity filtering device for constructional engineering, which belongs to the technical field of constructional engineering and comprises a box body, wherein one end of the box body is provided with a slag discharge pipe, the other end of the box body is provided with a filtering mechanism, the filtering mechanism comprises a filtering component for filtering sand and stone, a dustproof blanking component for supplying sand and stone to the filtering component and an adjusting component for adjusting the posture of the filtering component, one side of the box body is provided with a first supporting plate, one end of the first supporting plate is provided with a driving component for driving the box body to move, and two ends of the first supporting plate are provided with sliding supporting components for enabling the motion state of the box body to be mutated; the invention has simple structure, convenient use and good filtering function, avoids a large amount of sundries from being accumulated on the surface of the filter screen through the arrangement of the adjusting component, prevents the filter screen from losing the filtering function due to the continuous accumulation of the sundries and ensures the normal use of the sundries filtering device by a user.
Description
Technical Field
The invention belongs to the technical field of constructional engineering, and particularly relates to a sand and stone rapid impurity filtering device for constructional engineering.
Background
The construction engineering needs to use gravels in the construction process, but the gravels are often doped with impurities, such as branches or large stones, and therefore, the gravels need to be filtered and decontaminated before being used, and an impurity filtering device is needed;
the traditional impurity filtering device comprises a supporting block, a fixing frame, a fixing rod, a feeding hole, a material guiding rod, a transmission gear, a fixing block, a filter screen and the like, and has the advantages that sand and stone are filtered through electric drive, the impurity filtering efficiency is improved, and manpower and material resources are saved;
however, when the impurity filtering device is used, a large amount of impurities are accumulated on the surface of the filter screen, and the filter screen loses the filtering function along with the continuous accumulation of the impurities, so that the normal use of the device by a user is influenced.
Disclosure of Invention
The invention aims to provide a sand and stone rapid impurity filtering device for constructional engineering, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a miscellaneous device is strained fast to grit for building engineering, includes the box, and the one end of box is provided with row's sediment pipe, the other end of box is provided with filtering mechanism, and filtering mechanism is including being used for carrying out filterable filtering component to the grit, being used for carrying out the dustproof unloading subassembly of grit supply, being used for carrying out the adjusting part that the gesture was adjusted to filtering component, and one side of box is provided with first backup pad, and the one end of first backup pad is provided with and is used for driving the box and carries out the drive assembly that removes, and the both ends of first backup pad are provided with the sliding support subassembly that is used for making the motion state of box take place the sudden change.
As a further scheme of the invention: the filter assembly comprises a filter box, wherein one end of the filter box is provided with a discharge pipe, two sides of the discharge pipe are provided with a vibration motor used for driving the filter box to move, one end of the discharge pipe far away from the filter box is connected with a flow guide part corresponding to the box body in a sliding mode, one end of the filter box close to the discharge pipe is provided with a filter screen, and slag discharge through holes used for discharging slag are formed in two sides of the filter screen.
As a still further scheme of the invention: dustproof unloading subassembly includes sealed roof, and sealed roof's side is provided with down the hopper, and the one end that down the hopper is close to sealed roof is provided with second driving motor, and second driving motor's output is provided with and is used for cooperating down the hopper and carries out dirt-proof dustproof dish, and the both ends of dustproof dish are offered and are used for cooperating down the hopper and carry out the row's of intermittent type nature feed material through-hole, and sealed roof's opposite side is provided with the elasticity dirt proof boot corresponding with the rose box.
As a still further scheme of the invention: the adjusting part comprises a limiting disc, one side of the limiting disc is provided with a plugging sleeve for plugging the deslagging through hole, the plugging sleeve is connected with the filter box in a sliding manner, a second elastic limiting part is arranged at the joint of the plugging sleeve and the limiting disc, the two ends of the limiting disc are connected with third limiting plates corresponding to the sealing top plate in a sliding manner, one side of the limiting disc is provided with a height adjusting part corresponding to the sealing top plate, and the joint of the height adjusting part and the limiting disc is provided with a third elastic limiting part for playing a role in vibrating the filter box.
As a still further scheme of the invention: the driving component comprises a transmission piece, and a first driver used for driving the transmission piece to reciprocate is arranged on one side of the transmission piece.
As a still further scheme of the invention: the sliding support assembly comprises a first limiting plate, and one end of the first limiting plate is connected with a limiting sleeve corresponding to the box body in a sliding mode.
As a still further scheme of the invention: one end of the box body close to the first supporting plate is provided with a dustproof discharging pipe used for playing a dustproof effect.
As a still further scheme of the invention: one end of the first supporting plate, which is far away from the driving assembly, is provided with a limiting assembly used for driving the box body to reset.
As a still further scheme of the invention: the limiting assembly comprises a second limiting plate, and a first elastic limiting part corresponding to the box body is arranged at one end, far away from the first supporting plate, of the second limiting plate.
As a still further scheme of the invention: supporting legs are arranged at two ends of the first supporting plate.
Compared with the prior art, the invention has the beneficial effects that: the dust-proof filter is simple in structure and convenient to use, has a good filtering function, prevents a large amount of sundries from being accumulated on the surface of the filter screen through the arrangement of the adjusting assembly, prevents the filter screen from losing the filtering function due to continuous accumulation of the sundries, ensures normal use of a user for the impurity filtering device, has a good dust-proof function, effectively prevents a large amount of dust from flying out when the dust-proof filter is used, improves the use experience of the user for the impurity filtering device, and is worthy of popularization and use.
Drawings
FIG. 1 is a schematic structural view of a rapid sand and stone impurity filtering device for construction engineering;
FIG. 2 is a schematic structural diagram of a filtering mechanism in a rapid sand and stone impurity filtering device for construction engineering;
FIG. 3 is a schematic structural view of a dust-proof plate in the rapid sand and stone impurity filtering device for construction engineering;
in the figure: 1-slag discharge pipe, 2-box body, 3-filtering mechanism, 4-first driver, 5-transmission piece, 6-supporting foot, 7-first limiting plate, 8-first supporting plate, 9-limiting sleeve, 10-first elastic limiting piece, 11-second limiting plate, 12-dustproof discharge pipe, 31-flow guide piece, 32-filter screen, 33-discharge pipe, 34-slag discharge through hole, 35-plugging sleeve, 36-second elastic limiting piece, 37-height adjusting piece, 381-sealing top plate, 382-discharge hopper, 383-second driving motor, 384-dustproof disk, 385-elastic dustproof sleeve, 386-third limiting plate, 387-limiting disk, 388-filtering box, 389-vibrating motor, vibration motor, 391-discharge through holes, 392-third elastic limit pieces.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by one of ordinary skill in the art as appropriate.
Referring to fig. 1, an embodiment of the present invention provides a sand and stone rapid impurity filtering device for building engineering, including a box body 2, one end of the box body 2 is provided with a slag discharge pipe 1, the other end of the box body 2 is provided with a filtering mechanism 3, the filtering mechanism 3 includes a filtering component for filtering sand and stone, a dustproof blanking component for supplying sand and stone to the filtering component, and an adjusting component for adjusting the posture of the filtering component, one side of the box body 2 is provided with a first supporting plate 8, one end of the first supporting plate 8 is provided with a driving component for driving the box body 2 to move, and two ends of the first supporting plate 8 are provided with sliding supporting components for making the motion state of the box body 2 change suddenly;
referring to fig. 2, in order to improve the filtering effect of the filtering assembly, in this embodiment, preferably, the filtering assembly includes a filtering tank 388, one end of the filtering tank 388 is provided with a discharging pipe 33, two sides of the discharging pipe 33 are provided with a vibrating motor 389 for driving the filtering tank 388 to move, the vibrating motor 389 is fixedly connected to the filtering tank 388 through a bolt, when in use, the filtering tank 388 vibrates through the arrangement of the vibrating motor 389, one end of the discharging pipe 33 far away from the filtering tank 388 is slidably connected to a flow guide member 31 corresponding to the tank body 2, when in use, impurities are better discharged through a slag discharging pipe 1 through the flow guide effect of the flow guide member 31, one end of the filtering tank 388 near the discharging pipe 33 is fixedly connected to a filtering net 32 through a welding manner, and two sides of the filtering net 32 are provided with slag discharging through holes 34 for discharging slag;
in another embodiment, in order to lower the cost of the filter assembly, in this embodiment, preferably, the filter assembly includes a filter box 388 for filtering the material, one end of the filter box 388 is fixedly connected with a filter screen 32 for filtering the material through a bolt, and one end of the filter box 388 is provided with a slag discharge through hole 34 corresponding to the filter screen 32;
referring to fig. 2 and fig. 3, in order to make the dustproof effect of the dustproof blanking assembly better, in this embodiment, preferably, the dustproof blanking assembly includes a top sealing plate 381, a side surface of the top sealing plate 381 is fixedly connected with a lower hopper 382 by welding, one end of the lower hopper 382 close to the top sealing plate 381 is fixedly connected with a second driving motor 383 by bolts, an output end of the second driving motor 383 is provided with a dustproof disk 384 for matching the lower hopper 382 for dust prevention, two ends of the dustproof disk 384 are provided with discharge through holes 391 for matching the lower hopper 382 for intermittent feeding, and the other side of the top sealing plate 381 is provided with an elastic dustproof sleeve 385 corresponding to the filter box 388;
when the device is used, intermittent feeding is performed through the mutual matching of the dustproof disc 384, the second driving motor 383 and the blanking hopper 382, the dispersion effect of materials is improved, so that the device can better screen the materials, secondly, a closed environment can be created through the mutual matching of the dustproof disc 384 and the blanking hopper 382, a large amount of dust is prevented from flying out through the blanking hopper 382 when the device is used, and the dustproof effect of the device is better;
in another embodiment, in order to make the cost of the dustproof blanking assembly lower, in this embodiment, preferably, the dustproof blanking assembly includes a top sealing plate 381, a lower hopper 382 is fixedly connected to a side surface of the top sealing plate 381 by welding, a dustproof disk 384 for preventing dust by matching with the lower hopper 382 is arranged on one side of the top sealing plate 381, a rotating rod for driving the dustproof disk 384 to rotate is rotatably connected to the top sealing plate 381 by a bearing, and when in use, a user rotates the rotating rod by hand;
referring to fig. 2, in order to make the adjusting assembly have a better shock-absorbing effect on the filter box 388, in this embodiment, preferably, the adjusting assembly includes a limiting disc 387, a blocking sleeve 35 for blocking the slag discharge through hole 34 is disposed on one side of the limiting disc 387, the blocking sleeve 35 is slidably connected to the filter box 388, a second elastic limiting member 36 is disposed at a joint between the blocking sleeve 35 and the limiting disc 387, third limiting plates 386 corresponding to the top sealing plate 381 are slidably connected to two ends of the limiting disc 387, a height adjusting member 37 corresponding to the top sealing plate 381 is disposed on one side of the limiting disc 387, and a third elastic limiting member 392 for absorbing shock from the filter box 388 is disposed at a joint between the height adjusting member 37 and the limiting disc 387;
in order to make the vibration-generating effects of the second elastic limiting member 36 and the third elastic limiting member 392 better, in this embodiment, it is preferable that the second elastic limiting member 36 and the third elastic limiting member 392, and in order to make the use of the height adjusting member 37 more reliable, in this embodiment, it is preferable that the height adjusting member 37 is an electric hydraulic cylinder;
in another embodiment, in order to lower the cost of the second elastic limiting member 36 and the third elastic limiting member 392, in this embodiment, it is preferable that the second elastic limiting member 36 and the third elastic limiting member 392 are both hollow rubber blocks, and the height adjusting member 37 is an air cylinder;
referring to fig. 1, in order to make the use of the driving assembly more reliable, in this embodiment, preferably, the driving assembly includes a transmission member 5, the transmission member 5 is fixedly connected to the box 2 by welding, a first driver 4 for driving the transmission member 5 to reciprocate is disposed on one side of the transmission member 5, and in order to make the driving effect of the first driver 4 better, in this embodiment, preferably, the first driver 4 is composed of a driving motor and a driving disc;
in another embodiment, in order to make the cost of the driving assembly lower, in this embodiment, preferably, the driving assembly is only composed of an electric telescopic rod, or a hydraulic cylinder or a cylinder, and when in use, the box body 2 is made to reciprocate by the continuous extension and contraction of the electric telescopic rod, or the hydraulic cylinder or the cylinder;
referring to fig. 1, in order to make the braking effect of the sliding support assembly better, in this embodiment, preferably, the sliding support assembly includes a first limiting plate 7, the first limiting plate 7 is fixedly connected to a first supporting plate 8 by welding, one end of the first limiting plate 7 is slidably connected to a limiting sleeve 9 corresponding to the box body 2, when in use, the box body 2 is supported and limited by the mutual cooperation of the limiting sleeve 9 and the first limiting plate 7, the motion state of the box body 2 is suddenly changed by the mutual collision of the limiting sleeve 9 and the first limiting plate 7, so that the position of the material on the filter screen 32 is changed, and the filtering effect of the device is improved;
in another embodiment, in order to make the cost of the sliding support assembly lower, in this embodiment, preferably, the sliding support assembly is composed of only two brake plates arranged at intervals, the two brake plates are respectively installed on the box body 2 and the first support plate 8, and the motion state of the box body 2 is changed abruptly by the mutual cooperation of the two support plates;
referring to fig. 1, in order to further improve the dustproof effect of the device, in this embodiment, it is preferable that a dustproof discharging pipe 12 for playing a dustproof role is disposed at one end of the box body 2 close to the first supporting plate 8, when in use, a closed dustproof space is formed by the dustproof discharging pipe 12, the material of the dustproof discharging pipe 12 is not limited, and in order to make the dustproof discharging pipe 12 more wear-resistant, in this embodiment, it is preferable that the dustproof discharging pipe 12 is made of nylon;
referring to fig. 1, in order to enable the box body 2 to be reset better, in this embodiment, preferably, a limiting component for driving the box body 2 to reset is disposed at an end of the first supporting plate 8 away from the driving component;
referring to fig. 1, in order to lower the cost of the limiting assembly, in the embodiment, preferably, the limiting assembly includes a second limiting plate 11, and a first elastic limiting member 10 corresponding to the box body 2 is disposed at one end of the second limiting plate 11 away from the first supporting plate 8;
in another embodiment, in order to improve the driving effect of the limiting assembly, in this embodiment, preferably, the limiting assembly is composed of a second limiting plate 11 and a hydraulic cylinder, and the box body 2 is better reset through the linkage control of the hydraulic cylinder during use, and the control method is the prior art;
referring to fig. 1, in order to make the first support plate 8 used firmly, in this embodiment, preferably, support legs 6 are disposed at two ends of the first support plate 8, the support legs 6 are made of stainless steel, and the support legs 6 and the first support plate 8 are fixedly connected by welding;
in another embodiment, in order to make the use of the first support plate 8 more reliable, in this embodiment, it is preferable that support legs 6 are provided at two ends of the first support plate 8, the support legs 6 are made of iron, and the support legs 6 and the first support plate 8 are fixedly connected by bolts.
The working principle and the using process of the invention are as follows: before use, the supporting feet 6 are fixed in a conventional fixing mode, at the moment, the whole device is in a fixed state, gravels needing to be filtered are poured into the lower hopper 382, the power supply of the first driver 4 and the vibration motor 389 is switched on, at the moment, the first driver 4 enables the box body 2 to reciprocate under the coordination of the transmission piece 5, meanwhile, the filter box 388 vertically reciprocates through the vibration motor 389, and the vibration amplitude of the filter box 388 is amplified through the first elastic limiting piece 10 and the second elastic limiting piece 36;
the power supply of the second driving motor 383 is connected, the second driving motor 383 drives the dustproof disc 384 to rotate, sand intermittently falls into the filter box 388 through the material discharge through hole 391 at the moment, intermittent feeding of the device is achieved, the situation that the screening effect of the device is influenced by a large amount of feeding in a short time is avoided, then the sand is filtered and decontaminated through the filter screen 32, the filter screen 32 performs vertical reciprocating motion while performing horizontal reciprocating motion at the moment, so that the position of the material is changed continuously, the motion state of the filter screen 32 is changed suddenly by matching with the first limiting plate 7 and the limiting sleeve 9, the position change of the material is more obvious, the filtering effect of the filter screen 32 is improved, the filter screen 32 is prevented from being blocked when in use, the sand passes through the filter screen 32 and is discharged, and at the moment, sundries are retained on the upper surface of the filter screen 32;
when a user needs to clean up sundries accumulated on the filter screen 32, the height adjusting piece 37 is driven to extend, the height of the filter box 388 is reduced, when the plugging sleeve 35 is in contact with the box body 2, the plugging sleeve 35 cannot continuously move along with the filter box 388, at the moment, along with the downward movement of the filter box 388, the plugging sleeve 35 slides relative to the filter box 388, at the moment, the plugging sleeve 35 moves towards the direction close to the limiting disc 387, so that the slag discharge through hole 34 gradually leaks out, at the moment, the sundries on the filter screen 32 are discharged through the slag discharge through hole 34 by the movement of the box body 2, and then the sundries are discharged through the slag discharge pipe 1 under the flow guiding effect of the flow guiding piece 31; make the miscellaneous device of straining through mutually supporting of filter mechanism 3 and box 2, gesture transform through filter mechanism 3 realizes effectively arranging the sediment to the device, avoids filter screen 32's surface accumulation to build up a large amount of debris, prevents that the continuous accumulation of debris from making filter screen 32 lose the filter effect, guarantees the user to the normal use of straining miscellaneous device, makes filter device can keep lasting, efficient filter effect, does not need the frequent manual of user to clear up filter screen 32, is worth promoting and using.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a miscellaneous device is strained fast to grit for building engineering, includes the box, is provided with row's sediment pipe, its characterized in that on the lateral wall of box: the top end of the box body is provided with a filtering mechanism, the filtering mechanism comprises a filtering component for filtering sand, a dustproof blanking component for supplying sand to the filtering component, and an adjusting component for adjusting the posture of the filtering component, one side of the box body is provided with a first supporting plate, one end of the first supporting plate is provided with a driving component for driving the box body to move, two ends of the first supporting plate are provided with sliding supporting components for enabling the motion state of the box body to change suddenly, the filtering component comprises a filtering box, the lower end of the filtering box is provided with a discharging pipe, two sides of the discharging pipe are provided with vibrating motors for driving the filtering box to move, one end of the discharging pipe far away from the filtering box is connected with a flow guide component corresponding to the box body in a sliding manner, one end of the filtering box near the discharging pipe is provided with a filtering screen, and two sides of the filtering screen are provided with slag discharging through holes, the dustproof blanking assembly comprises a sealing top plate, a blanking hopper is arranged on the side surface of the sealing top plate, a second driving motor is arranged at one end, close to the sealing top plate, of the blanking hopper, a dustproof disc used for being matched with the blanking hopper to perform dustproof is arranged at the output end of the second driving motor, discharge through holes used for being matched with the blanking hopper to perform intermittent feeding are formed in the two ends of the dustproof disc, an elastic dustproof sleeve corresponding to the filter box is arranged on the other side of the sealing top plate, the adjusting assembly comprises a limiting disc, a plugging sleeve used for plugging the slag discharge through holes is arranged on one side of the limiting disc, the plugging sleeve is in sliding connection with the filter box, a second elastic limiting part is arranged at the connection position of the plugging sleeve and the limiting disc, a third limiting plate corresponding to the sealing top plate is connected to the two ends of the limiting disc in a sliding mode, and a height adjusting part corresponding to the sealing top plate is arranged on one side of the limiting disc, the junction of altitude mixture control spare and spacing disc is provided with the third elasticity locating part that is used for playing the effect of shaking to the rose box, drive assembly includes the driving medium, and one side of driving medium is provided with the first driver that is used for driving the driving medium to carry out reciprocating motion, the slip supporting component includes first limiting plate, and the one end sliding connection of first limiting plate has the spacing sleeve pipe corresponding with the box.
2. The sand rapid impurity filtering device for the constructional engineering as claimed in claim 1, which is characterized in that: one end of the box body close to the first supporting plate is provided with a dustproof discharging pipe for playing a dustproof role.
3. The sand and stone fast impurity filtering device for the construction engineering as claimed in claim 1, wherein: one end of the first supporting plate, which is far away from the driving assembly, is provided with a limiting assembly used for driving the box body to reset.
4. The sand and stone fast impurity filtering device for the construction engineering as claimed in claim 3, wherein: the limiting assembly comprises a second limiting plate, and a first elastic limiting part corresponding to the box body is arranged at one end, far away from the first supporting plate, of the second limiting plate.
5. The sand and stone rapid impurity filtering device for the construction engineering according to any one of claims 1 to 4, characterized in that: supporting legs are arranged at two ends of the first supporting plate.
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| CN202110835815.1A CN113546841B (en) | 2021-07-23 | 2021-07-23 | Gravel rapid impurity filtering device for constructional engineering |
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| CN114474382A (en) * | 2022-02-28 | 2022-05-13 | 广州市景捷消防设备有限公司 | Production and processing technology and device of gypsum-based fireproof coating |
| CN114949891B (en) * | 2022-06-12 | 2024-06-25 | 内蒙古溢多利生物科技有限公司 | Constant-temperature spray drying system for enzyme preparation |
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