CN111774293A

CN111774293A - Grit screening plant is used in civil engineering construction

Info

Publication number: CN111774293A
Application number: CN202010680430.8A
Authority: CN
Inventors: 胡彦莉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2020-10-16

Abstract

The invention discloses a sand and stone screening device for civil engineering construction, which relates to the technical field of civil engineering and comprises a fixed frame, wherein a screening groove is arranged on the fixed frame, a screen plate is horizontally fixed in the screening groove, a translation frame connected with a transmission mechanism through a traction mechanism is slidably arranged on the fixed frame, a dispersing mechanism used for dispersing sand and stones in the screening groove is arranged on the translation frame, and a blowing mechanism is connected to the dispersing mechanism in a transmission way; the driving mechanism can be driven by the arranged forward and reverse rotating mechanism, the driving mechanism drives the screening groove to realize reciprocating lifting effect in the vertical direction, so that gravel in the screening groove can be vibrated, the rapid screening of the gravel by the screen plate is promoted, the arranged traction mechanism can drive the translation frame to transversely reciprocate, the scraping teeth in the dispersing mechanism can transversely reciprocate while rotating, the full dispersion of the gravel is promoted, and the screening efficiency of the gravel is obviously improved.

Description

Grit screening plant is used in civil engineering construction

Technical Field

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

Background

Civil engineering is a general term for scientific technology for building various land engineering facilities. It refers to both the materials, equipment used and the technical activities carried out such as surveying, designing, construction, maintenance, repair, etc., as well as the objects of engineering construction. I.e. various engineering facilities such as houses, roads, railways, pipelines, tunnels, bridges, canals, dams, ports, power stations, airports, ocean platforms, water supply and drainage and protection projects, which are built on or under the ground, on land and directly or indirectly serve human life, production, military affairs and scientific research. The civil engineering refers to engineering entities for surveying, planning, designing, constructing, installing and maintaining various technical works and the like of newly-built, reconstructed or expanded buildings, structures, related supporting facilities and the like of various projects except house buildings. In the civil engineering construction process, the grit needs to be sieved.

The patent of grant bulletin No. CN205966493U discloses a grit screening plant, including base, support, screen frame, feed inlet, the screen frame passes through the support to be fixed on the base, the feed inlet sets up in the upper end of screen frame, and the below of screen frame is equipped with fine sand and coarse sand export, the screen frame passes through the support slope and installs on the base, is equipped with the slope filter sieve in the screen frame, and the hydraulic stem bottom mounting is on the base, and the top of hydraulic stem passes through the mount pad and links to each other with the screen frame. Although the device can be used for screening the grit of civil engineering construction, but the dispersion degree of grit screening process is relatively poor, and screening efficiency receives very big restriction, for this reason, provides a grit screening plant for civil engineering construction now to solve above-mentioned technical problem.

Disclosure of Invention

The invention aims to provide a sand and stone screening device for civil engineering construction, 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 grit screening plant for civil engineering construction, includes the mount, is equipped with the screening groove on the mount, screening inslot level is fixed with the sieve, the bottom is fixed with servo motor in the mount, and the last drive of servo motor is connected with positive reverse rotation mechanism, the last drive connection of positive reverse rotation mechanism has the drive mechanism who is used for the reciprocal lift of transmission screening groove, slidable mounting has the translation frame of being connected through drive mechanism and drive mechanism on the mount, is equipped with on the translation frame to be used for carrying out the dispersion mechanism that disperses screening inslot grit, the transmission is connected with blast mechanism on the dispersion mechanism.

As a modified scheme of the invention: the positive and negative rotation mechanism comprises an incomplete bevel gear coaxially fixed with an output shaft of the servo motor, a driven bevel gear I and a driven bevel gear II are alternately meshed and connected to the incomplete bevel gear, and two threaded rods with opposite thread turning directions are coaxially fixed on the driven bevel gear I and the driven bevel gear II.

As a modified scheme of the invention: the transmission mechanism comprises a threaded sleeve sleeved on the threaded rod in a threaded manner, a transmission pin column is fixed on the threaded sleeve, a clip frame fixed with the threaded sleeve is sleeved on the transmission pin column in a sliding manner, a connecting column is vertically fixed at the bottom of the screening groove, and a connecting rod I is hinged between the connecting column and the transmission pin column.

As a modified scheme of the invention: the transmission mechanism further comprises a guide sleeve vertically fixed on the fixing frame, a sliding column with the upper end fixed with the connecting column is vertically and slidably mounted in the guide sleeve, a vertical spring is fixed between the sliding column and the guide sleeve, and a connecting rod II is hinged between the guide sleeve and the transmission pin column.

As a modified scheme of the invention: the traction mechanism comprises a fixed pulley which is rotatably arranged on the fixed frame, a steel wire rope is wound on the fixed pulley, and two ends of the steel wire rope are respectively fixedly connected with the translation frame and the clip frame.

As a modified scheme of the invention: the traction mechanism further comprises a transverse spring, and two ends of the transverse spring are fixedly connected with the translation frame and the fixing frame respectively.

As a modified scheme of the invention: the dispersion mechanism includes that the level fixes the rack on the mount, and translation frame slip cover is established on the rack, the last rotation of translation frame is installed the rotation axis, and the cover is established and is fixed with the drive gear with rack toothing on the rotation axis, the cover is equipped with the transmission sleeve pipe on the rotation axis, and the transmission sleeve pipe inner wall inlays and is equipped with the rotation axis of fixing on the rotation axis, transmission sleeve pipe bottom is fixed with the carousel, and the carousel bottom evenly is fixed with a plurality of and scrapes the tooth.

As a modified scheme of the invention: the blowing mechanism comprises a main gear which is sleeved and fixed on the rotating shaft, an auxiliary gear is connected to the main gear in a meshed mode, and an axial flow fan is coaxially fixed on the auxiliary gear.

Compared with the prior art, the invention has the beneficial effects that:

the driving mechanism can be driven by the arranged forward and reverse rotating mechanism, the driving mechanism drives the screening groove to realize reciprocating lifting effect in the vertical direction, so that gravel in the screening groove can be vibrated, the rapid screening of the gravel by the screen plate is promoted, the arranged traction mechanism can drive the translation frame to transversely reciprocate, the scraping teeth in the dispersing mechanism can transversely reciprocate while rotating, the full dispersion of the gravel is promoted, and the screening efficiency of the gravel is obviously improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

fig. 4 is a partial perspective view of the present invention.

In the figure: 1-a fixed frame, 2-a rack, 3-a transmission pin, 4-a transverse spring, 5-a sieve plate, 6-a scraping tooth, 7-a turntable, 8-a sieving groove, 9-a fixed pulley, 10-an incomplete bevel gear, 11-a translation frame, 12-a transmission gear, 13-a steel wire rope, 14-a main gear, 15-a transmission clamping bar and 16-a transmission sleeve, 17-rotating shaft, 18-axial fan, 19-pinion, 20-driven bevel gear I, 21-driven bevel gear II, 22-threaded rod, 23-square frame, 24-connecting rod I, 25-connecting column, 26-sliding column, 27-guide sleeve, 28-vertical spring, 29-connecting rod II, 30-threaded sleeve and 31-servo motor.

Detailed Description

The technical scheme of the patent is further described in detail by combining the following specific embodiments:

example 1

Referring to fig. 1-4, a sandstone screening device for civil engineering construction comprises a fixed frame 1, wherein a screening groove 8 is arranged on the fixed frame 1, a screening plate 5 is horizontally fixed in the screening groove 8, a servo motor 31 is fixed at the bottom in the fixed frame 1, a forward and reverse rotation mechanism is connected to the servo motor 31 in a driving manner, a transmission mechanism for driving the screening groove 8 to reciprocate and ascend and descend is connected to the forward and reverse rotation mechanism in a driving manner, a translation frame 11 connected with the transmission mechanism through a traction mechanism is slidably mounted on the fixed frame 1, a dispersing mechanism for dispersing sandstone in the screening groove 8 is arranged on the translation frame 11, and a blowing mechanism is connected to the dispersing mechanism in a driving manner.

The grit that will carry out the screening is used for depositing in the screening groove 8 inside that sets up in this device, and the drive mechanism that can drive the setting through the mechanism that just reverses that sets up, and drive mechanism drives the reciprocal lift effect that vertical direction was realized in screening groove 8 for the grit in the screening groove 8 can realize the vibration, has promoted the quick screening of sieve 5 to the grit.

Specifically, the positive and negative rotation mechanism comprises an incomplete bevel gear 10 coaxially fixed with an output shaft of the servo motor 31, a driven bevel gear I20 and a driven bevel gear II21 are alternately meshed and connected to the incomplete bevel gear 10, and two threaded rods 22 with opposite thread turning directions are coaxially fixed on the driven bevel gear I20 and the driven bevel gear II 21.

Drive mechanism includes that the screw sleeve 30 on threaded rod 22 is cup jointed to the screw thread, is fixed with transmission round pin post 3 on the screw sleeve 30, and sliding sleeve is equipped with the shape frame 23 of returning fixed with screw sleeve 30 on transmission round pin post 3, the vertical spliced pole 25 that is fixed with in screening groove 8 bottom, it has connecting rod I24 to articulate between spliced pole 25 and the transmission round pin post 3. The transmission mechanism further comprises a guide sleeve 27 vertically fixed on the fixed frame 1, a sliding column 26 with the upper end fixed with the connecting column 25 is vertically and slidably mounted in the guide sleeve 27, a vertical spring 28 is fixed between the sliding column 26 and the guide sleeve 27, and a connecting rod II29 is hinged between the guide sleeve 27 and the transmission pin 3.

Through the setting, servo motor 31 is used for driving incomplete bevel gear 10 rotatory, incomplete bevel gear 10 is in turn connected with driven bevel gear I20 and driven bevel gear II21 meshing, threaded rod 22 rotates in turn clockwise and anticlockwise this moment, threaded sleeve 30 can horizontal reciprocating motion, at this moment, transmission pin 3 slides in time shape frame 23, under connecting rod I24 and spliced pole 25's effect, the vertical slip of traveller 26 relative guide sleeve 27, vertical elevating movement is realized to screening groove 8, the grit receives the quick screening of sieve 5 in the screening groove 8 has been promoted.

Example 2

On the basis of embodiment 1, in addition, this device still is equipped with drive mechanism and includes that the fixed pulley 9 of rotation installation on mount 1, and the wire rope 13 is around being equipped with on the fixed pulley 9, and wire rope 13 both ends respectively with translation frame 11 and time shape frame 23 fixed connection. The traction mechanism further comprises a transverse spring 4, and two ends of the transverse spring 4 are fixedly connected with the translation frame 11 and the fixed frame 1 respectively.

In the process of transverse movement of the square-shaped frame 23, the steel wire rope 13 pulls the translation frame 11 to transversely reciprocate under the elastic action of the transverse spring 4, so that the transverse movement of the dispersing mechanism relative to the screening groove 8 is realized, and gravels at different positions in the screening groove 8 are fully screened.

Specifically, dispersion mechanism includes that the level fixes rack 2 on mount 1, and translation frame 11 slip cover is established on rack 2, rotate on translation frame 11 and install rotation axis 17, rotation axis 17 goes up the cover and is established and be fixed with the drive gear 12 with rack 2 meshing, the cover is equipped with transmission sleeve 16 on the rotation axis 17, and transmission sleeve 16 inner wall inlays and is equipped with the rotation axis 17 of fixing on rotation axis 17, transmission sleeve 16 bottom is fixed with carousel 7, and carousel 7 bottom evenly is fixed with a plurality of and scrapes tooth 6.

In the process that translation frame 11 removed, drive gear 12 is connected with rack 2 meshing, and rotation axis 17 is rotatory this moment, and rotation axis 17 drives transmission sleeve 16 through transmission card strip 15 and rotates, and carousel 7 rotates and drives and scrape the rotatory dispersion effect that realizes the grit on the sieve 5 of tooth 6 this moment, has promoted screening efficiency greatly.

Further, this device still is equipped with the blowing mechanism, including the cover establish the master gear 14 on rotation axis 17, the meshing is connected with pinion 19 on the master gear 14, and coaxial fixed with axial fan 18 on pinion 19, and when rotation axis 17 was rotatory, its drive was rotatory with its meshed pinion 19, and pinion 19 drive axial fan 18 is rotatory and blow to the grit in the screening groove 8, promotes the drying of grit, promotes its mobility, promotes the quick screening of grit.

In conclusion, the driving mechanism can be driven by the arranged forward and reverse rotating mechanism, the driving mechanism drives the screening groove 8 to achieve the reciprocating lifting effect in the vertical direction, so that the gravel in the screening groove 8 can be vibrated, the rapid screening of the gravel by the screen plate 5 is promoted, the arranged traction mechanism can drive the translation frame 11 to transversely reciprocate, the scraping teeth 6 in the dispersing mechanism can transversely reciprocate while rotating, the full dispersion of the gravel is promoted, and the gravel screening efficiency is remarkably improved.

It should be noted that, although the present specification describes embodiments, each embodiment does not include only a single technical solution, and such description of the specification is only for clarity, and those skilled in the art should take the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art, and the above-mentioned embodiments only express the preferred embodiments of the technical solutions, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the claims of the technical solutions. It should be noted that, for those skilled in the art, various modifications, improvements and substitutions can be made without departing from the spirit of the invention, and all of them belong to the protection scope of the technical solution. The protection scope of this technical solution patent should be subject to the appended claims.

Claims

1. The utility model provides a grit screening plant for civil engineering construction, includes mount (1), is equipped with screening groove (8) on mount (1), its characterized in that, screening groove (8) interior level is fixed with sieve (5), bottom is fixed with servo motor (31) in mount (1), and the drive is connected with just reverse mechanism on servo motor (31), the drive is connected with the drive mechanism who is used for transmission screening groove (8) to reciprocate to go up in the mechanism of just reversing, slidable mounting has translation frame (11) of being connected through drive mechanism and drive mechanism on mount (1), is equipped with on translation frame (11) to be used for carrying out the dispersion mechanism that disperses to grit in screening groove (8), the transmission is connected with blast mechanism on the dispersion mechanism.

2. The sand screening device for civil engineering construction according to claim 1, wherein the forward and reverse rotation mechanism comprises an incomplete bevel gear (10) coaxially fixed with the output shaft of the servo motor (31), the incomplete bevel gear (10) is alternately engaged and connected with a driven bevel gear I (20) and a driven bevel gear II (21), and two threaded rods (22) with opposite thread turning directions are coaxially fixed on the driven bevel gear I (20) and the driven bevel gear II (21).

3. The sand screening device for civil engineering construction according to claim 2, wherein the transmission mechanism comprises a threaded sleeve (30) sleeved on the threaded rod (22) in a threaded manner, the threaded sleeve (30) is fixed with the transmission pin (3), a clip frame (23) fixed with the threaded sleeve (30) is sleeved on the transmission pin (3) in a sliding manner, a connecting column (25) is vertically fixed at the bottom of the screening groove (8), and a connecting rod I (24) is hinged between the connecting column (25) and the transmission pin (3).

4. A sand screening device for civil engineering construction according to claim 3, wherein the transmission mechanism further comprises a guide sleeve (27) vertically fixed on the fixed frame (1), a sliding column (26) with the upper end fixed with the connecting column (25) is vertically and slidably mounted in the guide sleeve (27), a vertical spring (28) is fixed between the sliding column (26) and the guide sleeve (27), and a connecting rod II (29) is hinged between the guide sleeve (27) and the transmission pin column (3).

5. The sand and stone screening device for civil engineering construction according to claim 3, wherein the traction mechanism comprises a fixed pulley (9) rotatably mounted on the fixed frame (1), a steel wire rope (13) is wound on the fixed pulley (9), and two ends of the steel wire rope (13) are respectively fixedly connected with the translation frame (11) and the clip frame (23).

6. The sand and stone screening device for civil engineering construction according to claim 5, wherein the traction mechanism further comprises a transverse spring (4), and two ends of the transverse spring (4) are respectively and fixedly connected with the translation frame (11) and the fixed frame (1).

7. The sand and stone screening device for civil engineering construction according to claim 1, wherein the dispersing mechanism comprises a rack (2) horizontally fixed on a fixed frame (1), a translation frame (11) is slidably sleeved on the rack (2), a rotating shaft (17) is rotatably installed on the translation frame (11), a transmission gear (12) meshed with the rack (2) is fixedly sleeved on the rotating shaft (17), a transmission sleeve (16) is sleeved on the rotating shaft (17), the rotating shaft (17) fixed on the rotating shaft (17) is embedded on the inner wall of the transmission sleeve (16), a rotary table (7) is fixed at the bottom of the transmission sleeve (16), and a plurality of scraping teeth (6) are uniformly fixed at the bottom of the rotary table (7).

8. A sand and stone screening device for civil engineering construction according to claim 7, characterized in that, the blowing mechanism includes a main gear (14) fixed on the rotation axis (17), a pinion (19) is engaged and connected on the main gear (14), and an axial fan (18) is coaxially fixed on the pinion (19).