CN113231313A

CN113231313A - Grit sieving mechanism for civil engineering

Info

Publication number: CN113231313A
Application number: CN202110781521.5A
Authority: CN
Inventors: 王超; 孙清; 王明晓
Original assignee: WEIFANG BUSINESS VOCATIONAL COLLEGE
Current assignee: WEIFANG BUSINESS VOCATIONAL COLLEGE
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2021-08-10
Anticipated expiration: 2041-07-12
Also published as: CN113231313B

Abstract

The invention relates to the field of civil engineering, in particular to a sand and stone screening device for civil engineering, which comprises a screening cylinder, wherein a first connecting groove is formed in the screening cylinder, a first screening mechanism is arranged in the first connecting groove, the first screening mechanism comprises a connecting cavity, first screening plates are embedded at two ends of the connecting cavity, a second connecting groove is formed in the screening cylinder, a feeding and stirring mechanism is arranged in the second connecting groove, the feeding and stirring mechanism comprises a stirring assembly, the stirring assembly comprises a rotating plate, a notch is formed in the rotating plate, a first moving assembly is arranged in the notch, and a discharging assembly is arranged on the first moving assembly; the rotating plate is connected with the rotating assembly through a fixed rod, and second driving assemblies are mounted on two sides of the rotating assembly; the two ends of the rotating assembly are provided with feeding assemblies; the feeding assembly is connected with the discharging assembly through a connecting hose. The invention can effectively facilitate the screening treatment of the sand and stone and the use of the equipment.

Description

Grit sieving mechanism for civil engineering

Technical Field

The invention relates to the field of civil engineering, in particular to a sand and stone screening device for civil engineering.

Background

Civil engineering is the general name of the science and technology of building all kinds of engineering facilities, and in civil engineering construction process, often need use a large amount of grit, along with the development of present society, the resource of natural grit exhausts day by day, and the dynamics of government's environmental protection improvement increases moreover, and the grit industry is by the production structure transformation of natural sand to mechanism grit, and after the grit is smashed and is accomplished, need use the grit sieving mechanism to carry out screening process to the grit.

But present grit sieving mechanism generally all is that the screen cloth carries out screening process at the inside installation of filter cylinder, generally carries out the grit interpolation through the top installation charge door at the filter cylinder, and the grit of screening will appear piling up like this to influence the device and carry out screening process, lead to the device to use inconveniently.

Disclosure of Invention

The invention aims to provide a sand and stone screening device for civil engineering to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a sand and stone screening device for civil engineering comprises a screening cylinder, wherein a first connecting groove is formed in the screening cylinder, a first screening mechanism is arranged in the first connecting groove, the first screening mechanism comprises a connecting cavity, and first screening plates are embedded in the side walls of two ends of the connecting cavity; a second connecting groove is formed in the screening cylinder, a feeding and stirring mechanism is arranged in the second connecting groove, and the feeding and stirring mechanism comprises a stirring assembly arranged on the surface of the connecting cavity; the stirring assembly comprises a rotating plate, notches are formed in two ends of the interior of the rotating plate, first moving assemblies are mounted at two ends of the interior of each notch, and each first moving assembly comprises a bidirectional screw rod and a driving piece, wherein the bidirectional screw rod is rotatably connected with the corresponding notch, and the driving piece is used for driving the bidirectional screw rod to rotate; the first moving assembly is provided with a discharging assembly, the discharging assembly comprises a sliding part in threaded connection with the bidirectional screw rod, the sliding part is fixedly provided with a connecting pipe, and a discharging opening is formed in the connecting pipe positioned on the outer side of the rotating plate; the rotating plate is provided with a fixed rod, the fixed rod is provided with a rotating assembly, and the rotating assembly comprises a rotating disc connected with the fixed rod; second driving assemblies for driving the rotating disc to rotate are mounted on two sides of the rotating assembly; and the two ends of the rotating disc are provided with feeding assemblies, and the feeding assemblies are connected with the connecting pipe through connecting hoses.

Preferably, first screening mechanism is still including setting up the first drive assembly at the inside both ends of connecting the chamber, the inside rotation of first drive assembly is connected with the aperture adjusting part who is used for adjusting first screening board aperture, aperture adjusting part installs between first screening board.

Preferably, the second driving assembly comprises a second motor installed on a second connecting groove, and a second connecting gear is installed on a motor shaft of the second motor; the rotating assembly includes a second external gear that engages a second connecting gear.

Preferably, the feeding assembly comprises feeding ports fixedly arranged at two ends of the rotating disc, and sealing covers are arranged on the feeding ports.

Preferably, the stirring assembly is internally provided with a mounting cavity; the driving piece is including setting up the third motor in the installation cavity inside, install the driving gear on the motor shaft of third motor, the meshing has driven gear on the driving gear, and driven gear sets up on two-way screw rod.

Preferably, be provided with the convulsions subassembly on the reinforced subassembly, the convulsions subassembly includes the exhaust column that switches on with the charge door, installs the aspiration pump on the exhaust column.

Preferably, install impurity collection subassembly between the convulsions subassembly, impurity collection subassembly includes the impurity collecting box with rolling disc fixed connection, install chamber door and filter screen mouth on the lateral wall of impurity collecting box respectively.

Compared with the prior art, the invention has the beneficial effects that: the first moving assembly drives the discharging assembly to move, so that the direction of the discharging assembly on the first screening plate can be conveniently adjusted, and discharging and screening treatment of sand and stones are facilitated; rotate through second drive assembly drive rotating assembly, rotating assembly drives the rotor plate through the dead lever and rotates, and then drives the grit that row material subassembly will need the screening and rotate row material to the rotatory stirring grit of cooperation rotor plate realizes the quick screening processing of grit, can improve the device effectively like this and carry out grit screening processing, makes things convenient for the use of equipment.

Drawings

FIG. 1 is a schematic structural view of a sand screening apparatus for civil engineering in a front view.

FIG. 2 is a schematic structural diagram of the connection of a first screening mechanism, a feeding and stirring mechanism, a second screening mechanism and a material discharge control mechanism in the sand screening device for civil engineering of the invention.

FIG. 3 is a schematic structural view of a sand screening apparatus for civil engineering of the present invention.

FIG. 4 is a schematic structural view of an aperture adjusting assembly in the sand screening device for civil engineering of the present invention.

Fig. 5 is a schematic structural view of a connecting assembly in the sand screening device for civil engineering of the present invention.

FIG. 6 is an enlarged connection structure diagram of a sealing plate at A in the sand and stone screening apparatus for civil engineering of the present invention.

FIG. 7 is a schematic structural view of a charging and stirring mechanism in the sand screening apparatus for civil engineering of the present invention.

FIG. 8 is a schematic three-dimensional view of a rotary plate in the sand screening apparatus for civil engineering of the present invention.

1. A screening cylinder; 2. a first screening mechanism; 3. a charging and stirring mechanism; 4. a second screening mechanism; 5. controlling a discharging mechanism; 11. a first connecting groove; 12. a second connecting groove; 13. connecting holes; 14. an opening; 21. a connecting cavity; 22. a first screening plate; 23. an aperture adjustment assembly; 24. a first drive assembly; 31. A stirring assembly; 32. fixing the rod; 33. a rotating assembly; 34. a second drive assembly; 35. a feeding assembly; 36. an air draft assembly; 37. an impurity collection assembly; 38. a connecting hose; 39. a discharge assembly; 310. a first moving assembly; 41. a discharge pipe; 42. a screening hopper; 43. a vibrator; 51. A sealing block; 52. a connecting assembly; 53. a second moving assembly; 231. a second screening plate; 232. a connecting ring; 233. a first external gear; 241. a first motor; 242. a first connecting gear; 311. a rotating plate; 312. a recess; 313. a mounting cavity; 331. rotating the disc; 332. a second external gear; 341. a second motor; 342. a second connecting gear; 351. a feed inlet; 352. sealing cover; 361. an exhaust pipe; 362. an air suction pump; 371. an impurity collecting box; 372. a filter screen port; 373. a box door; 391. a connecting pipe; 392. a slider; 393. a discharge outlet; 3101. a bidirectional screw; 3102. a driven gear; 3103. a driving gear; 3104. a third motor; 521. A connecting member; 522. a sealing plate; 523. connecting blocks; 524. a slider; 531. a unidirectional screw; 532. and a fourth motor.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-8, in an embodiment of the invention, a sand screening device for civil engineering comprises a screening cylinder 1, the screening cylinder 1 is provided with a first connecting groove 11, a first screening mechanism 2 is arranged in the first connecting groove 11, the first screening mechanism 2 comprises a connecting cavity 21, the side walls of two ends of the connecting cavity 21 are embedded with first screening plates 22, a second connecting groove 12 is arranged on the screening cylinder 1, a feeding and stirring mechanism 3 is arranged in the second connecting groove 12, the charging and stirring mechanism 3 comprises a stirring component 31 arranged on the surface of the connecting cavity 21, the stirring component 31 comprises a rotating plate 311, notches 312 are formed in two ends of the interior of the rotating plate 311, first moving assemblies 310 are mounted at two ends of the interior of the notch 312, and each first moving assembly 310 comprises a bidirectional screw 3101 which is rotatably connected with the notch 312 and a driving piece which is used for driving the bidirectional screw 3101 to rotate; a discharging assembly 39 is mounted on the first moving assembly 310, the discharging assembly 39 comprises a sliding member 392 in threaded connection with the two-way screw 3101, a connecting pipe 391 is fixedly mounted on the sliding member 392, and a discharging port 393 is mounted on the connecting pipe 391 positioned outside the rotating plate 311; the rotating plate 311 is provided with a fixing rod 32, the fixing rod 32 is provided with a rotating assembly 33, and the rotating assembly 33 comprises a rotating disc 331 connected with the fixing rod 32; second driving assemblies 34 for driving the rotating disc 331 to rotate are mounted on two sides of the rotating assembly 33; the two ends of the rotating disc 331 are provided with feeding components 35; the feeding assembly 35 is connected with a connecting pipe 391 through a connecting hose 38; the second driving assembly 34 drives the rotating assembly 33 to rotate, the rotating disc 331 drives the rotating plate 311 to rotate through the fixed rod 32, and the rotating plate 311 drives the first moving assembly 310 and the discharging assembly 39 to rotate; and the driving piece drives the two-way screw 3101 to rotate, the two-way screw 3101 drives the sliding piece 392 to move, the sliding piece 392 drives the connecting pipe 391 and the discharging pipe 393 to move and discharge materials, and sand needing to be screened is uniformly distributed on the first screening plate 22, so that the screening of the sand is realized.

The sand and stone to be screened is added to the first screening plate 22 through the feeding component 35, the connecting hose 38 and the discharging component 39, in the sand and stone adding process, the discharging component 39 is driven to move through the first moving component 310, the rotating component 33 is driven to rotate through the second driving component 34, the rotating component 33 drives the rotating plate 311 to rotate through the fixing rod 32, the discharging component 39 is driven to uniformly distribute the sand and stone to be screened on the first screening plate 22, the rotating plate 311 is matched to rotate to stir the sand and stone, and therefore rapid screening of the sand and stone is achieved.

Referring to fig. 3, in an embodiment of the present invention, the first screening mechanism 2 further includes first driving assemblies 24 disposed at two ends of the inside of the connection cavity 21, an aperture adjusting assembly 23 for adjusting the aperture of the first screening plate 22 is rotatably connected to the inside of the first driving assembly 24, the aperture adjusting assembly 23 is installed between the first screening plates 22, the aperture adjusting assembly 23 is driven by the first driving assembly 24 to rotate, and the aperture adjusting assembly 23 is misaligned with the aperture of the first screening plate 22, so that the size of sand discharged from the first screening plate 22 can be controlled, and the use of the screening device is facilitated.

Referring to fig. 3, in an embodiment of the present invention, the first driving assembly 24 includes a first motor 241, a first connecting gear 242 is mounted on a motor shaft of the first motor 241, and the first connecting gear 242 is driven to rotate by the rotation of the first motor 241.

Referring to fig. 4, in an embodiment of the present invention, the aperture adjusting assembly 23 includes a first external gear 233 engaged with a first connecting gear 242, a connecting ring 232 is disposed inside the first external gear 233, a second screening plate 231 is embedded inside the connecting ring 232, the first external gear 233 is driven to rotate by the first connecting gear 242, and the second screening plate 231 is driven to rotate, so that the screening holes of the second screening plate 231 and the screening holes of the first screening plate 22 are staggered, and the first screening plate 22 screens gravels with different specifications, which is convenient for using the apparatus.

Referring to fig. 3, in an embodiment of the present invention, the second driving assembly 34 includes a second motor 341 installed on the second connecting groove 12, a second connecting gear 342 is installed on a motor shaft of the second motor 341, and the second connecting gear 342 can be driven to rotate by the rotation of the second motor 341; the rotating assembly 33 includes a second external gear 332 engaged with the second connecting gear 342, and the second external gear 332 is driven to rotate by the second connecting gear 342, so as to drive the rotating disc 331 to rotate, thereby realizing the rotation processing of the rotating assembly 33.

Referring to fig. 3, in an embodiment of the present invention, the feeding assembly 35 includes feeding ports 351 fixedly installed at both ends of the rotary plate 331, and the sealing caps 352 are installed on the feeding ports 351 to facilitate the sand feeding process and ensure the sealing process of the feeding ports 351.

Referring to fig. 3, in an embodiment of the present invention, a mounting cavity 313 is further disposed inside the stirring assembly 31; the driving member includes a third motor 3104 disposed inside the mounting cavity 313, a driving gear 3103 is mounted on a motor shaft of the third motor 3104, a driven gear 3102 is engaged with the driving gear 3103, the driven gear 3102 is disposed on the two-way screw 3101, the driving gear 3103 is driven to rotate by the third motor 3104, and the driven gear 3103 drives the driven gear 3102 to rotate, so as to drive the two-way screw 3101 to rotate, and thus to drive the slider 392 to move.

Referring to fig. 3, in an embodiment of the present invention, an air exhaust assembly 36 is disposed on the feeding assembly 35, the air exhaust assembly 36 includes an air exhaust pipe 361 communicated with the feeding port 351, an air exhaust pump 362 is mounted on the air exhaust pipe 361, the feeding port 351 is sealed by the sealing cover 352, the air exhaust pump 362 exhausts air, and impurities that do not pass through screening can be extracted through the discharging port 393, so that the impurities that do not pass through screening on the first screening plate 22 can be conveniently cleaned.

Referring to fig. 1 and 3, in one embodiment of the present invention, a foreign matter collecting assembly 37 is installed between the air extracting assemblies 36, the foreign matter collecting assembly 37 includes a foreign matter collecting box 371 fixedly connected to the rotary plate 331, and a box door 373 and a filter screen port 372 are respectively installed on sidewalls of the foreign matter collecting box 371 to conveniently collect and store the extracted foreign matter.

Referring to fig. 3, in an embodiment of the present invention, a second screening mechanism 4 is further disposed inside the screening cylinder 1, the second screening mechanism 4 includes a discharge pipe 41 communicated with the screening cylinder 1, a screening hopper 42 is mounted on the discharge pipe 41, and a vibrator 43 is mounted on an outer wall of the screening hopper 42, so that sand can be screened by vibration, and sand that does not pass screening can be discharged through the discharge pipe 41.

Referring to fig. 6, in an embodiment of the present invention, openings 14 are further formed in side walls of both ends of the screening cylinder 1, and a connection hole 13 is further formed in a wall of the screening cylinder 1 located inside the opening 14, so that installation and processing of the apparatus can be facilitated.

Referring to fig. 3, in an embodiment of the present invention, the second screening mechanism 4 is further provided with a control discharging mechanism 5, the control discharging mechanism 5 includes a sealing block 51 disposed inside the discharging pipe 41, a connecting assembly 52 is mounted on the sealing block 51, a second moving assembly 53 is mounted on an outer side of the connecting assembly 52, and the second moving assembly 53 drives the connecting assembly 52 and the sealing block 51 to move, so that the sealing block 51 can be separated from the discharging pipe 41, and thus discharging processing of sand that does not pass screening is achieved.

Referring to fig. 5 and 6, in an embodiment of the present invention, the connecting assembly 52 includes a connecting member 521 fixedly connected to the sealing block 51, a sealing plate 522 is fixedly mounted at an outer end of the connecting member 521, the sealing plate 522 is disposed inside the connecting hole 13, and an outer side of the sealing plate 522 is connected to a sliding block 524 through a connecting block 523, so that the connecting assembly 52 can conveniently drive the sealing block 51 to move.

Referring to fig. 3, in an embodiment of the present invention, the second moving assembly 53 includes a one-way screw 531 in threaded connection with the slider 524, one end of the one-way screw 531 is provided with a fourth motor 532, the one-way screw 531 is driven by the fourth motor 532 to rotate, and the one-way screw 531 can drive the slider 524 to move.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more, and it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected", and "connected" are to be interpreted broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

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.

Claims

1. A sand and stone screening device for civil engineering comprises a screening cylinder, wherein a first connecting groove is formed in the screening cylinder, and the sand and stone screening device is characterized in that a first screening mechanism is arranged in the first connecting groove and comprises a connecting cavity, and first screening plates are embedded in the side walls of two ends of the connecting cavity;

a second connecting groove is formed in the screening cylinder, a feeding and stirring mechanism is arranged in the second connecting groove, and the feeding and stirring mechanism comprises a stirring assembly arranged on the surface of the connecting cavity;

the stirring assembly comprises a rotating plate, notches are formed in two ends of the interior of the rotating plate, first moving assemblies are mounted at two ends of the interior of each notch, and each first moving assembly comprises a bidirectional screw rod and a driving piece, wherein the bidirectional screw rod is rotatably connected with the corresponding notch, and the driving piece is used for driving the bidirectional screw rod to rotate;

the first moving assembly is provided with a discharging assembly, the discharging assembly comprises a sliding part in threaded connection with the bidirectional screw rod, the sliding part is fixedly provided with a connecting pipe, and a discharging opening is formed in the connecting pipe positioned on the outer side of the rotating plate;

the rotating plate is provided with a fixed rod, the fixed rod is provided with a rotating assembly, and the rotating assembly comprises a rotating disc connected with the fixed rod;

second driving assemblies for driving the rotating disc to rotate are mounted on two sides of the rotating assembly;

and the two ends of the rotating disc are provided with feeding assemblies, and the feeding assemblies are connected with the connecting pipe through connecting hoses.

2. The sand and stone screening device for civil engineering as claimed in claim 1, wherein the first screening mechanism further comprises a first driving component arranged at the two ends of the inside of the connecting chamber, an aperture adjusting component for adjusting the aperture of the first screening plate is rotatably connected to the inside of the first driving component, and the aperture adjusting component is installed between the first screening plates.

3. The sand and stone screening device for civil engineering as claimed in claim 1, wherein the second driving assembly includes a second motor mounted on a second connecting groove, a motor shaft of the second motor is mounted with a second connecting gear;

the rotating assembly further includes a second external gear engaged with the second connecting gear.

4. The sand and stone screening device for civil engineering as claimed in claim 1, wherein the feed assembly includes feed ports fixedly installed at both ends of the rotary disk, and the feed ports are installed with sealing covers.

5. The sand and stone screening device for civil engineering as claimed in claim 1, wherein the inside of the stirring component is further provided with a mounting cavity;

the driving piece is including setting up the third motor in the installation cavity inside, install the driving gear on the motor shaft of third motor, the meshing has driven gear on the driving gear, and driven gear sets up on two-way screw rod.

6. The gravel screening device for civil engineering as claimed in claim 1, wherein the charging component is provided with an air draft component, the air draft component comprises an air draft pipe communicated with the charging port, and the air draft pipe is provided with an air draft pump.

7. The sand and stone screening device for civil engineering as claimed in claim 6, wherein a impurity collecting component is installed between the air draft components, the impurity collecting component comprises an impurity collecting box fixedly connected with the rotating disc, and the side wall of the impurity collecting box is respectively provided with a box door and a filter screen opening.