CN215694305U

CN215694305U - A grit sieving mechanism for municipal construction

Info

Publication number: CN215694305U
Application number: CN202120170831.9U
Authority: CN
Inventors: 韩喜存; 董有良; 王艳玲; 郭二龙; 张泽宇; 张春燕
Original assignee: Inner Mongolia Panhong Construction Engineering Co ltd
Current assignee: Inner Mongolia Panhong Construction Engineering Co ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2022-02-01
Anticipated expiration: 2031-01-22

Abstract

The utility model discloses a sandstone screening device for municipal construction, which comprises a barrel body, wherein a first compression roller and a second compression roller are respectively and rotatably arranged inside the barrel body, a first filter screen and a second filter screen are respectively and fixedly arranged inside the barrel body, a first discharge port and a second discharge port are respectively arranged on the barrel body, the first discharge port is positioned at the upper end of the second filter screen, the second discharge port is positioned at the upper end of the first filter screen, two groups of fixed plates are fixedly arranged on one side of the barrel body, an electric sliding table is fixedly arranged on the fixed plates, and a connecting plate is fixedly connected on a sliding seat of the electric sliding table. And the working efficiency is improved.

Description

A grit sieving mechanism for municipal construction

Technical Field

The utility model relates to the technical field of municipal construction, in particular to a sand screening device for municipal construction.

Background

Municipal construction is an important content of municipal activities, is an execution stage of planning and design, is the construction of various public facilities and public institutions, such as roads, drainage, bridges and the like, which are sponsored by urban governments according to the overall deployment of municipal planning, aims to prosper urban economy, facilitate the production and living environment of citizens, promote the development of material civilization and spirit civilization of cities, has long municipal construction period and more consumption, is difficult to change once built, has long influence, and has to be coordinated and synchronized with the overall development of cities, and is generally laid out so as to avoid digging, filling and repeatedly wrecking.

The grit needs to be used to the in-process of municipal construction, but grit sieving mechanism among the prior art is not good to the screening effect of grit, and the grit size's of selecting difference is great, and the grit that is not conform to the specification need enter the staving inside through artificial mode interpolation again and carry out the breakage, has increased staff's work load and working strength to a certain extent, and has reduced work efficiency, therefore we need propose a grit sieving mechanism for municipal construction.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sand and stone screening device for municipal construction, which improves the screening effect of sand and stone to a certain extent, can convey unqualified sand and stone to the inside of a barrel body again for crushing in a mechanical mode, reduces the workload and the working strength of workers to a certain extent, improves the working efficiency and solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a grit sieving mechanism for municipal construction, includes the staving, the inside of staving is rotated respectively and is installed first compression roller and second compression roller, the inside difference fixed mounting of staving has first filter screen and second filter screen, first discharge gate and second discharge gate have been seted up on the staving respectively, first discharge gate is located the upper end of second filter screen, the second discharge gate is located the upper end of first filter screen, one side fixed mounting of staving has two sets of fixed plates, fixed mounting has electronic slip table on the fixed plate, fixedly connected with connecting plate on the slide of electronic slip table, it is two sets of rotate between the connecting plate and install the return bin, be provided with on the return bin and connect the material mouth, connect the material mouth with the second discharge gate aligns the setting.

Preferably, one side fixedly connected with backup pad of staving, fixed mounting has first motor in the backup pad, the first pivot of shaft coupling fixedly connected with is passed through to first motor output shaft one end, shaft coupling fixed connection is passed through to the one end of first pivot in the one end of first compression roller, fixed cover has cup jointed first gear in the first pivot, shaft coupling fixedly connected with second pivot is passed through to the one end of second compression roller, fixed cover has cup jointed the second gear in the second pivot, first gear with the meshing of second gear.

Preferably, one side of one group of connecting plate is fixedly provided with a second motor, one end of an output shaft of the second motor is fixedly connected with a third rotating shaft through a coupler, one end of the third rotating shaft is fixedly connected with one side of the material returning barrel, one side of the other group of connecting plate is embedded and fixed with a bearing, an inner ring of the bearing is fixedly inserted with a fourth rotating shaft, and one end of the fourth rotating shaft is fixedly connected with the other side of the material returning barrel.

Preferably, the inner wall of the barrel body is fixedly connected with two groups of limiting plates, the limiting plates are arranged in an inclined mode, and the limiting plates are located at the upper ends of the first compression roller and the second compression roller.

Preferably, first filter screen and second filter screen all are the slope setting, the aperture of first filter screen is greater than the aperture of second filter screen.

Preferably, the barrel body is provided with a feeding hole, and the bottom of the barrel body is provided with a third discharging hole.

Compared with the prior art, the utility model has the beneficial effects that:

through the design of the first filter screen, the second filter screen, the electric sliding table, the return barrel and the second motor, small-particle gravels fall onto the second filter screen from the hole diameter outlet of the first filter screen and slide to the first discharge hole from the second filter screen, larger-particle gravels slide to the second discharge hole from the first filter screen and then enter the material receiving nozzle and fall into the return barrel, the electric sliding table drives the return barrel to move upwards, the second motor drives the return barrel to rotate, and large-particle gravels in the return barrel are poured into the barrel to be crushed for the second time.

Drawings

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

FIG. 2 is a schematic structural view of an electric sliding table, a connecting plate, a material returning barrel, a material receiving nozzle and a second motor according to the present invention;

fig. 3 is a schematic structural diagram of a first motor, a first gear, a second gear, a first press roller and a second press roller according to the present invention.

In the figure: 1. a barrel body; 2. a first discharge port; 3. a first filter screen; 4. a second filter screen; 5. a second discharge port; 6. a support plate; 7. a first motor; 8. a first gear; 9. a limiting plate; 10. a feed inlet; 11. a first press roll; 12. a fixing plate; 13. an electric sliding table; 14. a connecting plate; 15. returning the material barrel; 16. a material receiving nozzle; 17. a second gear; 18. a second press roll; 19. a second motor; 20. and a third discharge hole.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a gravel screening device for municipal construction comprises a barrel body 1, a first compression roller 11 and a second compression roller 18 are respectively rotatably mounted inside the barrel body 1, a convex block is arranged on the first compression roller 11, a groove is formed on the second compression roller 18, gravel is crushed by matching of the convex block and the groove, two groups of limiting plates 9 are fixedly connected to the inner wall of the barrel body 1, the limiting plates 9 are obliquely arranged, the limiting plates 9 are positioned at the upper ends of the first compression roller 11 and the second compression roller 18, the limiting plates 9 have a limiting effect on the falling path of the gravel, the gravel is prevented from falling from the gap between the inner wall of the barrel body 1 and the first compression roller 11 and the second compression roller 18, a supporting plate 6 is fixedly connected to one side of the barrel body 1, a first motor 7 is fixedly mounted on the supporting plate 6, one end of an output shaft of the first motor 7 is fixedly connected with a first rotating shaft through a coupler, one end of the first rotating shaft is fixedly connected to one end of the first compression roller 11 through a coupler, a first gear 8 is fixedly sleeved on the first rotating shaft, one end of a second pressing roller 18 is fixedly connected with a second rotating shaft through a coupler, a second gear 17 is fixedly sleeved on the second rotating shaft, and the first gear 8 is meshed with the second gear 17;

a first filter screen 3 and a second filter screen 4 are fixedly installed inside the barrel body 1 respectively, the first filter screen 3 and the second filter screen 4 are both arranged in an inclined mode, the aperture of the first filter screen 3 is larger than that of the second filter screen 4, a first discharge port 2 and a second discharge port 5 are formed in the barrel body 1 respectively, the first discharge port 2 is located at the upper end of the second filter screen 4, the second discharge port 5 is located at the upper end of the first filter screen 3, crushed larger-grained gravel slides from the first filter screen 3 to the second discharge port 5, and small-grained gravel falls onto the second filter screen 4 from the aperture of the first filter screen 3 and slides from the second filter screen 4 to the first discharge port 2;

two groups of fixed plates 12 are fixedly arranged on one side of the barrel body 1, the two groups of fixed plates 12 are arranged in parallel, an electric sliding table 13 is fixedly arranged on the fixed plates 12, a connecting plate 14 is fixedly connected on a sliding seat of the electric sliding table 13, a return barrel 15 is rotatably arranged between the two groups of connecting plates 14, the electric sliding table 13 drives the return barrel 15 to move up and down, a second motor 19 is fixedly arranged on one side of one group of connecting plates 14, one end of an output shaft of the second motor 19 is fixedly connected with a third rotating shaft through a coupler, one end of the third rotating shaft is fixedly connected with one side of the return barrel 15, a bearing is embedded and fixed on one side of the other group of connecting plates 14, a fourth rotating shaft is fixedly inserted and connected on the inner ring of the bearing, one end of the fourth rotating shaft is fixedly connected with the other side of the return barrel 15, a material receiving nozzle 16 is arranged on the return barrel 15, the material receiving nozzle 16 and a second material outlet 5 are aligned, crushed large-particle sand stones come out from the second material outlet 5 and enter the material receiving nozzle 16 and fall into the return barrel 15, the feed inlet 10 is arranged on the barrel body 1, the third discharge outlet 20 is arranged at the bottom of the barrel body 1, crushed gravel is accumulated at the inner bottom of the barrel body 1, and the crushed gravel can be collected by opening the third discharge outlet 20.

The working principle is as follows: when using this device, pour grit into feed inlet 10, start first motor 7, first motor 7 drives first gear 8 and rotates, first gear 8 drives first compression roller 11 and second gear 17 and rotates, second gear 17 drives second compression roller 18 and rotates, can carry out the grit through the cooperation of first compression roller 11 and second compression roller 18 and break, then the grit after the breakage drops on first filter screen 3, the grit of bigger granule slides to second discharge gate 5 from first filter screen 3, the grit of small granule drops to second filter screen 4 from the aperture play of first filter screen 3, and slide to first discharge gate 2 from second filter screen 4, the grit of detritus form is piled up at the interior bottom of staving 1;

big grit of granule gets into material receiving mouth 16 and falls into the inside of return bin 15 after coming out from second discharge gate 5, after the grit breakage of 1 inside of staving accomplishes, start electronic slip table 13, electronic slip table 13 drives connecting plate 14 and upwards removes, connecting plate 14 drives return bin 15 rebound, start second motor 19 when return bin 15 removes to suitable position, second motor 19 drives return bin 15 through third pivot and fourth pivot and rotates, because the inside centrobaric change of return bin 15 drives the inside grit landing of bigger granule of return bin 15 to connect material receiving mouth 16 and return to feed inlet 10, carry out the secondary crushing to it.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a grit sieving mechanism for municipal construction, includes staving (1), its characterized in that: the barrel is characterized in that a first compression roller (11) and a second compression roller (18) are respectively rotatably mounted inside the barrel body (1), a first filter screen (3) and a second filter screen (4) are respectively fixedly mounted inside the barrel body (1), a first discharge port (2) and a second discharge port (5) are respectively formed in the barrel body (1), the first discharge port (2) is located at the upper end of the second filter screen (4), the second discharge port (5) is located at the upper end of the first filter screen (3), two groups of fixing plates (12) are fixedly mounted on one side of the barrel body (1), an electric sliding table (13) is fixedly mounted on the fixing plates (12), a connecting plate (14) is fixedly connected on a sliding seat of the electric sliding table (13), a material returning barrel (15) is rotatably mounted between the two groups of connecting plates (14), and a material receiving nozzle (16) is arranged on the material returning barrel (15), the material receiving nozzle (16) and the second discharge hole (5) are arranged in an aligned mode.

2. A grit screening apparatus as claimed in claim 1 for use in municipal construction, wherein: one side fixedly connected with backup pad (6) of staving (1), fixed mounting has first motor (7) on backup pad (6), the first pivot of shaft coupling fixedly connected with is passed through to first motor (7) output shaft one end, the one end of first pivot is passed through shaft coupling fixed connection in the one end of first compression roller (11), fixed cover has cup jointed first gear (8) in the first pivot, the one end of second compression roller (18) is passed through shaft coupling fixedly connected with second pivot, fixed cover has cup jointed second gear (17) in the second pivot, first gear (8) with second gear (17) meshing.

3. A grit screening apparatus as claimed in claim 1 for use in municipal construction, wherein: one side fixed mounting of a set of connecting plate (14) has second motor (19), second motor (19) output shaft one end passes through shaft coupling fixedly connected with third pivot, the one end fixed connection of third pivot returns one side of storage bucket (15), another group one side of connecting plate (14) is inlayed and is adorned and is fixed with the bearing, the inner circle of bearing is fixed to be pegged graft and is had the fourth pivot, the one end fixed connection of fourth pivot returns the opposite side of storage bucket (15).

4. A grit screening apparatus as claimed in claim 1 for use in municipal construction, wherein: the inner wall fixedly connected with two sets of limiting plates (9) of staving (1), limiting plate (9) are the slope setting, limiting plate (9) are located the upper end of first compression roller (11) and second compression roller (18).

5. A grit screening apparatus as claimed in claim 1 for use in municipal construction, wherein: first filter screen (3) and second filter screen (4) all are the slope setting, the aperture of first filter screen (3) is greater than the aperture of second filter screen (4).

6. A grit screening apparatus as claimed in claim 1 for use in municipal construction, wherein: the barrel body (1) is provided with a feeding hole (10), and the bottom of the barrel body (1) is provided with a third discharging hole (20).