CN216126109U - Civil engineering is with categorised screening sand device - Google Patents
Civil engineering is with categorised screening sand device Download PDFInfo
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- CN216126109U CN216126109U CN202122593594.XU CN202122593594U CN216126109U CN 216126109 U CN216126109 U CN 216126109U CN 202122593594 U CN202122593594 U CN 202122593594U CN 216126109 U CN216126109 U CN 216126109U
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Abstract
The utility model discloses a classification sand screening device for civil engineering, which comprises a sand screening box, wherein a pressure mechanism, a first-stage screen, a second-stage screen and a jacking mechanism are sequentially distributed in the sand screening box from top to bottom; a second sand outlet is formed in the side part of the sand screening box and is positioned between the first-stage screen and the second-stage screen; the motor is used for driving the pressing mechanism to rotate in the sand screening box, and when the pressing mechanism presses the first-stage screen in the rotating process, the first-stage screen is made to move up and down in the sand screening box; the transmission mechanism is connected with the pressure applying mechanism and the jacking mechanism, and when the pressure applying mechanism rotates, the jacking mechanism is driven by the transmission mechanism to drive the secondary screen to slide; this categorised screening sand device for civil engineering can realize the multi-stage separation of gravel and sand simultaneously, improves the screening efficiency of gravel and sand.
Description
Technical Field
The utility model relates to the technical field of civil engineering, in particular to a classification sand screening device for civil engineering.
Background
The civil engineering refers to an engineering entity which is completed by various technical working machines for surveying, planning, designing, constructing, installing, maintaining and the like of buildings, structures, related supporting facilities and the like of newly-built, reconstructed or expanded various projects except house buildings.
And the screening sand is an indispensable process in civil engineering construction, and still more often adopt the manual work among the prior art to the mode that the screen cloth shovels sand and screens, and it is very obvious, multistage screening sand is carried out simultaneously to this kind of mode is inconvenient, consequently the appearance of screening sand machine has appeared, but current screening sand machine also can only realize single-stage screening sand at every turn, can not be simultaneously hierarchical screening sand, less stone can not in time clear up the processing, the sand of adhesion also blocks up the screen cloth easily, there are screening sand effect poor, extravagant fine sand scheduling problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of the prior art and provides a classification sand screening device for civil engineering, which can simultaneously realize multi-stage separation of sand and stone and improve the screening efficiency of the sand and stone.
In order to solve the technical problems, the utility model adopts the technical scheme that:
the utility model provides a civil engineering is with categorised screening sand device, includes screening sand case body, its characterized in that: a pressure mechanism, a primary screen, a secondary screen and a jacking mechanism are sequentially distributed in the screening sand box body from top to bottom, a transmission mechanism and a motor are arranged outside the screening sand box body, a feed inlet is formed in the top of the screening sand box body, and a sand outlet is formed in the bottom of the screening sand box body; a second sand outlet is formed in the side part of the sand screening box body and is positioned between the first-stage screen and the second-stage screen; the pressure mechanism is horizontally arranged in the sand screening box body, extends out of the sand screening box body and is connected with the motor, the motor drives the pressure mechanism to rotate in the sand screening box body, and the pressure mechanism presses the primary screen in the rotating process; the part of the pressure applying mechanism extending out of the sand screening box body is fixedly connected with the transmission mechanism; one side of the secondary screen is hinged to the side wall of the screening sand box body, the other side, opposite to the hinged side of the screening sand box body, of the secondary screen is attached to the side wall of the screening sand box body, and the longitudinal section of the side wall, attached to the other end of the screening sand box body, of the screening sand box body is an arc surface; the jacking mechanism is fixedly arranged on the side wall of the sand screening box body, the fixed ends of the jacking mechanism and the side wall of the sand screening box body are positioned below the hinged end of the secondary screen and the sand screening box body, and the jacking mechanism is in contact connection with the bottom surface of the secondary screen; the fixed ends of the jacking mechanism and the screening sand box body extend out of the screening sand box body to be connected with the transmission mechanism;
the transmission mechanism is connected with the pressing mechanism and the jacking mechanism, and when the pressing mechanism rotates, the jacking mechanism is driven by the transmission mechanism to drive the secondary screen to slide.
As a further preferable scheme of the present invention, the pressure applying mechanism comprises a first shaft, a support rod and a spherical end; the first shaft is horizontally arranged in the sand screening box body and is parallel to the first-stage screen cloth, one end of the first shaft is not in contact with the side wall of the sand screening box body, the other end of the first shaft penetrates through the side wall of the sand screening box body and is connected with the driving end of a motor, the motor drives the first shaft to rotate along the central shaft of the first shaft, and the other end of the first shaft is connected with the side wall of the sand screening box body through a bearing; the part of the first shaft extending out of the sand screening box body is connected with a transmission mechanism; a plurality of supporting rods are uniformly distributed on the first shaft, one end of each supporting rod is fixedly connected to the first shaft, and each supporting rod is perpendicular to the first shaft; the other end of each supporting rod is fixedly connected with a spherical end; when the first axle is rotatory, when the spherical end is rotatory to a axle below, the one-level screen cloth is connected in the contact of spherical end, when the spherical end is rotatory to a epaxial side, the one-level screen cloth is kept away from to the spherical end.
As a further preferred scheme of the utility model, the bottom edge of the primary screen is symmetrically provided with a guide rod, a spring, a fixed seat and a limiting block; one end of the guide rod is fixed at the bottom of the primary screen, the fixed seat is fixedly installed with the side wall of the screening sand box body, a hole through which the guide rod penetrates is formed in the fixed seat, and the other end of the guide rod penetrates through the fixed seat and then is fixedly connected with the limiting block; the spring is sleeved on the guide rod, one end of the spring is fixedly connected to the bottom of the first-stage screen, and the other end of the spring is fixedly installed on the top surface of the fixed base.
As a further preferable scheme of the utility model, the jacking mechanism comprises a cam and a second shaft, one end of the second shaft is positioned in the sand sieving box body, the cam is fixed at one end of the second shaft, and the outer wall of the bulge is tangent to the second-stage screen; the other end of the second shaft penetrates through the side wall of the sand screening box body and then is connected with the transmission mechanism.
As a further preferable scheme of the present invention, the transmission mechanism includes a driving wheel, a driven wheel and a transmission belt; the driving wheel is fixed on the first shaft and is positioned on the part of the first shaft extending out of the screening box; the driven wheel is fixed on the second shaft and is positioned on the part of the second shaft extending out of the screening box; the transmission belt is fixedly connected with the driving wheel and the driven wheel.
As a further preferable scheme of the utility model, the bottom of the sand sieving box body is provided with an inclined plane, and the lowest end of the inclined plane is provided with a sand outlet.
As a further preferable scheme of the utility model, two sections of spiral packing augers with opposite rotation directions are symmetrically arranged on the first shaft, crushing cutters are further distributed between the spiral packing augers with opposite rotation directions at two ends, and the crushing cutters are fixedly arranged on the first shaft.
As a further preferable aspect of the present invention, the mesh diameter of the primary screen is larger than that of the secondary screen.
The utility model has the following beneficial effects:
1. according to the classification sand screening device for civil engineering, disclosed by the utility model, the screens with different mesh sizes are arranged in the sand screening box body, so that sand and stones are screened for multiple times in the sand screening box body, the sizes of different particles are separated according to actual construction requirements, and the sand and stones can be screened for multiple levels at one time, so that the screening effect is greatly improved, and the screening effect is good;
2. the pressing mechanism, the jacking mechanism and the transmission mechanism are arranged in the sand screening box body and are matched with each other, when the primary screen is lifted in a reciprocating manner, the pressing mechanism drives the jacking mechanism to move through the transmission mechanism, so that the reciprocating swing of the secondary screen is realized, the primary screen and the secondary screen share one power drive, the equipment cost is saved, and the power loss is reduced;
3. in order to accelerate the flow velocity of the sand outlet of the screening box, the sand outlet at the bottom of the screening box is set to be furled;
4. when the first-stage screen mesh does reciprocating lifting motion, the first-stage screen mesh is prevented from sliding off the side wall of the screening box, so that a limiting block is arranged at the bottom edge of the first-stage screen mesh;
5. before the gravel and sand is sieved, partial gravel and sand can be damped and agglomerated, and the agglomerated gravel and sand can not be classified through a screen, so that the gravel and sand are wasted after agglomeration, a crushing knife is arranged in a pressure applying mechanism, the crushing knife can cut the gravel and sand agglomerates and partial large-particle gravel and sand, and the sand yield of small-particle gravel and sand is improved.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is an enlarged view of A in FIG. 1;
fig. 3 is a block diagram of another embodiment of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
101-screening sandbox body, 102-arc face, 103-inclined face, 201-primary screen, 202-guide rod, 203-limiting block, 204-fixing seat, 205-spring, 301-first shaft, 302-supporting rod, 303-end, 304-motor, 305-crushing knife, 306-spiral auger, 401-second shaft, 402-cam, 403-transmission mechanism, 404-transmission belt, 405-secondary screen and 406-plug.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific preferred embodiments.
In the description of the present invention, it is to be understood that the terms "left side", "right side", "upper part", "lower part", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and that "first", "second", etc., do not represent an important degree of the component parts, and thus are not to be construed as limiting the present invention. The specific dimensions used in the present example are only for illustrating the technical solution and do not limit the scope of protection of the present invention.
Example 1
As shown in fig. 1, a classification sand screening device for civil engineering comprises a sand screening box body 1, wherein a pressure applying mechanism, a first-stage screen 201, a second-stage screen 405 and a jacking mechanism are sequentially distributed in the sand screening box body 1 from top to bottom, a transmission mechanism 403 and a motor 304 are distributed outside the sand screening box body 1, a feed inlet is formed in the top of the sand screening box body, and a sand outlet is formed in the bottom of the sand screening box body; the lateral part of screening sand case body is equipped with sand outlet two, sand outlet two is located the screening sand case body between one-level screen cloth 201 and the second grade screen cloth 405 lateral wall on.
The pressing mechanism is transversely arranged in the screening sand box body, extends out of the screening sand box body and is connected with the motor 304, the motor 304 drives the pressing mechanism to transversely rotate in the screening sand box body, and the part of the pressing mechanism extending out of the screening sand box body is fixedly connected with the transmission mechanism; in the rotating process of the pressure mechanism, components in the pressure mechanism are continuously contacted, extruded and separated from the first-stage screen 201, so that the first-stage screen 201 does reciprocating lifting motion in the sand screening box body.
One side of second grade screen cloth 405 articulates in the lateral wall of screening sandbox body, second grade screen cloth 405 for the lateral wall of the articulated side of screening sandbox body opposite side laminating screening sandbox body, the longitudinal section of the lateral wall of screening sandbox body and the other end laminating screening sandbox body of second grade screen cloth 405 is the cambered surface.
The jacking mechanism is fixedly arranged on the side wall of the sand screening box body, the fixed ends of the jacking mechanism and the side wall of the sand screening box body are positioned below the hinged end of the secondary screen 405 and the sand screening box body, and the jacking mechanism is in contact connection with the bottom surface of the secondary screen 405; the fixed ends of the jacking mechanism and the screening sand box body extend out of the screening sand box body to be connected with the transmission mechanism; the contact point of the jacking mechanism and the bottom surface of the secondary screen 405 reciprocates up and down in the screening sandbox body, so that the end part of the secondary screen 405 attached to the screening sandbox body is driven to slide up and down in a reciprocating manner along the arc surface of the screening sandbox body.
The transmission mechanism 403 is connected with the pressing mechanism and the jacking mechanism, and when the pressing mechanism rotates, the power generated by the rotation of the pressing mechanism is transmitted to the jacking mechanism through the transmission mechanism 403, so that the jacking mechanism is driven to move in the sand sieving box body.
In this embodiment, the pressing mechanism includes a first shaft 301, a support rod 302, and a spherical end 303; the first shaft 301 is horizontally arranged in the screening sand box body, the first shaft 301 is parallel to the first-stage screen 201, one end of the first shaft 301 is not in contact with the side wall of the screening sand box body, the other end of the first shaft 301 penetrates through the side wall of the screening sand box body and then is connected with the driving end of the motor 304, the motor 304 drives the first shaft 301 to rotate along the central axis of the first shaft 301, and the other end of the first shaft 301 is connected with the side wall of the screening sand box body through a bearing; the part of the first shaft 301 extending out of the sand screening box body is connected with a transmission mechanism 403; a plurality of supporting rods 302 are uniformly distributed on the first shaft 301, one end of each supporting rod 302 is fixedly connected to the first shaft 301, and each supporting rod 302 is perpendicular to the first shaft 301; the other end of each strut 302 is fixedly connected with a spherical end 303; when the first shaft 301 rotates, the spherical end 303 is in contact connection with the primary screen 201 when the spherical end 303 rotates below the first shaft 301, and when the spherical end 303 rotates above the first shaft 301, the spherical end 303 is away from the primary screen 201.
In this embodiment, the bottom edge of the primary screen 201 is symmetrically provided with a guide rod 202, a spring 205, a fixing seat 204, and a limiting block 203; one end of the guide rod 202 is fixed at the bottom of the primary screen 201, the fixed seat 204 is fixedly installed with the side wall of the screening sand box body, a hole through which the guide rod 202 penetrates is formed in the fixed seat 204, and the other end of the guide rod 202 penetrates through the fixed seat 204 and then is fixedly connected with the limiting block 203; the spring 205 is sleeved on the guide rod 202, one end of the spring 205 is fixedly connected to the bottom of the first-stage screen 201, the other end of the spring 205 is fixedly installed on the top surface of the fixed base, and the limit block 203 limits the maximum ascending distance of the first-stage screen 201 in the screening box 101.
When the motor 304 drives the first shaft 301 to rotate in the sand screening box body, the spherical end 303 on the first shaft 301 rotates around the axial direction of the first shaft 301, when the spherical end 303 rotates to the position below the first shaft 301, the spherical end 303 is closer to the first-stage screen 201, when the spherical end 303 is contacted with the first-stage screen 201, the spherical end 303 begins to press the first-stage screen 201, the first-stage screen 201 begins to move downwards, the spring 205 begins to contract under the pressure pressed by the spring 205 at the bottom of the first-stage screen 201, when the spherical end 303 rotates to the position right below the first shaft 301, the pressure pressed by the spherical end 303 against the first-stage screen 201 reaches the maximum, the spherical end 303 continues to rotate, at the moment, the spherical end 303 begins to rotate upwards, the pressure applied to the first-stage screen 201 is smaller, the spring 205 at the bottom of the first-stage screen 201 begins to rebound, the elastic force generated by the rebound of the spring 205 is used for driving the first-stage screen 201 to move upwards, through the mutual cooperation of the pressing mechanism and the spring 205, the primary screen 201 makes reciprocating lifting motion in the screening sand box body, so that sand falling on the primary screen 201 is vibrated, and screening is accelerated.
The jacking mechanism comprises a cam 402 and a second shaft 401, one end of the second shaft 401 is located in the sand screening box body, the cam 402 is fixed at one end of the second shaft 401, and the outer wall of the bulge is tangent to the second-stage screen 405; the other end of the second shaft 401 penetrates through the side wall of the sand screening box body and then is connected with a transmission mechanism 403.
The transmission mechanism 403 comprises a driving wheel, a driven wheel and a transmission belt 404; the driving wheel is fixed on the first shaft 301, and is positioned on the part, extending out of the screening box 101, of the first shaft 301; the driven wheel is fixed on a second shaft 401 and is positioned on the part, extending out of the screening box 101, of the second shaft 401; the driving belt 404 is fixedly connected to the driving wheel and the driven wheel.
When the sand screening machine is used, when the first shaft 301 rotates, the driving wheel is driven to rotate, the driving wheel drives the driven wheel to rotate through the transmission belt 404, the second shaft 401 fixed in the driven wheel rotates, the cam 402 on the second shaft 401 rotates around the second shaft 401, and the surface of the cam 402 is always tangent to the bottom surface of the second-stage screen 405, so that the second-stage screen 405 continuously and repeatedly swings in the rotating process of the cam 402, and screening of sand on the second-stage screen 405 is accelerated.
In addition, the bottom of screening sand case body sets up to inclined plane 103, and inclined plane 103 becomes with the arc side form of drawing in, and the lowest of inclined plane 103 is equipped with out the sand mouth, carries out the water conservancy diversion to the sand.
Example 2
As shown in fig. 3, on the basis of embodiment 1, two sections of screw augers 306 with opposite rotation directions are symmetrically arranged on the first shaft 301, crushing cutters 305 are distributed between the screw augers 306 with opposite rotation directions at two ends, and the crushing cutters 305 are fixedly mounted on the first shaft 301.
The sand cannot be classified through the screen, so that the crushing knife 305 is arranged in the pressure applying mechanism to avoid waste of the agglomerated sand, the crushing knife 305 can cut the agglomerated sand and stone and part of large-particle sand and stone, and the sand outlet rate of small-particle sand and stone is improved
Like this, along with the rotation of a axle 301, spiral auger 306 promotes sand to broken sword 305 department, and the rotation of cooperation broken sword 305 will be affected with the sand and stone after the caking of weiqi and the sand and stone of great granule breakage, is convenient for pass through one-level screen cloth 201, improves one-level screen cloth 201's sand rate of crossing.
It should be noted that, when the spherical end 303 contacts the first-stage screen 201, the first-stage screen 201 still has a gap with the spiral auger 306 and the crushing knife 305.
In addition, in this embodiment, the mesh diameter of the primary screen 201 is larger than the mesh diameter of the secondary screen 405.
Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the details of the embodiments, and various equivalent modifications can be made within the technical spirit of the present invention, and the scope of the present invention is also within the scope of the present invention.
Claims (7)
1. The utility model provides a civil engineering is with categorised screening sand device, includes screening sand case body, its characterized in that: a pressure mechanism, a primary screen, a secondary screen and a jacking mechanism are sequentially distributed in the screening sand box body from top to bottom, a transmission mechanism and a motor are arranged outside the screening sand box body, a feed inlet is formed in the top of the screening sand box body, and a sand outlet is formed in the bottom of the screening sand box body; a second sand outlet is formed in the side wall of the sand screening box body and is positioned on the side wall of the sand screening box body between the first-stage screen and the second-stage screen;
the pressure mechanism is horizontally arranged in the sand screening box body, extends out of the sand screening box body and is connected with the motor, the motor drives the pressure mechanism to rotate in the sand screening box body, and the pressure mechanism applies pressure to the primary screen in the rotating process;
the part of the pressure applying mechanism extending out of the sand screening box body is fixedly connected with the transmission mechanism;
one side of the secondary screen is hinged to the side wall of the screening sand box body, the other side, opposite to the hinged side of the screening sand box body, of the secondary screen is attached to the side wall of the screening sand box body, and the longitudinal section of the side wall, attached to the other end of the screening sand box body, of the screening sand box body is an arc surface;
the jacking mechanism is fixedly arranged on the side wall of the sand screening box body, the fixed ends of the jacking mechanism and the side wall of the sand screening box body are positioned below the hinged end of the secondary screen and the sand screening box body, and the jacking mechanism is in contact connection with the bottom surface of the secondary screen;
the fixed ends of the jacking mechanism and the screening sand box body extend out of the screening sand box body to be connected with the transmission mechanism;
the transmission mechanism is connected with the pressing mechanism and the jacking mechanism, and when the pressing mechanism rotates, the jacking mechanism is driven by the transmission mechanism to drive the secondary screen to slide.
2. The classification sand screening device for civil engineering work according to claim 1, wherein: the pressure applying mechanism comprises a first shaft, a support rod and a spherical end;
the first shaft is horizontally arranged in the sand screening box and is parallel to the first-stage screen, one end of the first shaft is not in contact with the inner wall of the sand screening box, the other end of the first shaft penetrates through the inner wall of the sand screening box and then is connected with the driving end of a motor, the motor drives the first shaft to rotate along the central shaft of the first shaft, and the other end of the first shaft is connected with the inner wall of the sand screening box through a bearing;
the part of the first shaft extending out of the sand screening box is connected with a transmission mechanism;
a plurality of supporting rods are uniformly distributed on the first shaft, one end of each supporting rod is fixedly connected to the first shaft, and each supporting rod is perpendicular to the first shaft;
the other end of each supporting rod is fixedly connected with a spherical end;
when the first axle is rotatory, when the spherical end is rotatory to a axle below, the one-level screen cloth is connected in the contact of spherical end, when the spherical end is rotatory to a epaxial side, the one-level screen cloth is kept away from to the spherical end.
3. The classification sand screening device for civil engineering work as claimed in any one of claims 1 to 2, wherein: the bottom edge of the first-stage screen is symmetrically provided with a guide rod, a spring, a fixed seat and a limiting block;
one end of the guide rod is fixed at the bottom of the primary screen, the fixed seat is fixedly installed on the inner wall of the sand screening box, a hole through which the guide rod penetrates is formed in the fixed seat, and the other end of the guide rod penetrates through the guide rod and then is fixedly connected with the limiting block;
the spring is sleeved on the guide rod, one end of the spring is fixedly connected to the bottom of the first-stage screen, and the other end of the spring is fixedly installed on the top surface of the fixed base.
4. The classification sand screening device for civil engineering as claimed in claim 2, wherein: the jacking mechanism comprises a cam and a second shaft, one end of the second shaft is positioned in the sand screening box, the cam is fixed at one end of the second shaft, and the outer wall of the cam is tangent to the second-stage screen;
the other end of the second shaft penetrates through the side wall of the sand screening box and then is connected with the transmission mechanism.
5. The classifying and screening device for civil engineering work according to claim 4, wherein: the transmission mechanism comprises a driving wheel, a driven wheel and a transmission belt;
the driving wheel is fixed on the first shaft and is positioned on the part of the first shaft extending out of the screening box;
the driven wheel is fixed on the second shaft and is positioned on the part of the second shaft extending out of the screening box;
the transmission belt is fixedly connected with the driving wheel and the driven wheel.
6. The classification sand screening device for civil engineering work according to claim 1, wherein: the bottom of the sand screening box is an inclined plane, and the lowest end of the inclined plane is provided with a sand outlet.
7. The classification sand screening device for civil engineering work according to claim 1, wherein: the diameter of the mesh of the first-stage screen is larger than that of the second-stage screen.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122593594.XU CN216126109U (en) | 2021-10-27 | 2021-10-27 | Civil engineering is with categorised screening sand device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122593594.XU CN216126109U (en) | 2021-10-27 | 2021-10-27 | Civil engineering is with categorised screening sand device |
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| CN216126109U true CN216126109U (en) | 2022-03-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114589092A (en) * | 2022-04-12 | 2022-06-07 | 安徽文王酿酒股份有限公司 | Distiller's yeast processing filter equipment |
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2021
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114589092A (en) * | 2022-04-12 | 2022-06-07 | 安徽文王酿酒股份有限公司 | Distiller's yeast processing filter equipment |
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