CN218359550U

CN218359550U - Crushing and screening device for road and bridge construction

Info

Publication number: CN218359550U
Application number: CN202222638271.2U
Authority: CN
Inventors: 胡意鹏; 王刚
Original assignee: Ningbo Communication Engineering Construction Group Co Ltd
Current assignee: Ningbo Communication Engineering Construction Group Co Ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-01-24
Anticipated expiration: 2032-10-08

Abstract

The utility model relates to a road and bridge construction equipment technical field, in particular to broken screening plant is used in road and bridge construction, including throwing feed bin, broken storehouse and screening storehouse that communicate each other, it is provided with the dog-house to throw the feed bin, broken storehouse set up in throw the oblique below in feed bin and inside be provided with broken mechanism, the screening storehouse set up in broken storehouse below and seted up the discharge gate, the inside hierarchical screening mechanism that is provided with in screening storehouse, the broken storehouse outside is provided with the actuating mechanism who is used for driving broken mechanism, broken storehouse top is provided with dust removal mechanism, just dust removal mechanism with throw the inside intercommunication of feed bin. The utility model provides a broken screening plant is used in road and bridge construction through setting up dust removal mechanism, drops into the dog-house with the stone and gets into broken storehouse and carry out the breakage in the dog-house, and the dust that produces mixes the air and removes dust by dust removal mechanism, avoids the dust to spill over to the broken screening plant outside for the road and bridge construction.

Description

Crushing and screening device for road and bridge construction

Technical Field

The utility model relates to a road bridge construction equipment technical field, more specifically say, in particular to crushing and screening device is used in road bridge construction.

Background

With the development of society, the developed degree of transportation directly affects the construction of cities and the development of economy, and the rapid and high-quality road and bridge construction becomes a key for restricting the development of transportation in order to ensure the safety and stability of transportation. Among the correlation technique, need use a lot of fillers in the road bridge work progress, most can adopt stone or stone, need use the even stone fragment of size to fill usually, consequently can carry the building stones that comes through broken screening plant to carry and carry out the breakage, and the stone after the breakage falls to screening on the sieve that the slope set up to obtain even stone fragment, for fill.

The utility model discloses a utility model patent that publication number is CN214631819U discloses a broken screening plant is used in road bridge construction, carries out the breakage to the stone through setting up first running roller and second running roller, falls into on the defeated flitch after the breakage is accomplished, then the gliding gets into the drum screen cloth and sieves the stone. Its weak point lies in, the road and bridge construction often can produce the dust and need carry out the dust fall to the scene and handle, and this crushing and screening device for road and bridge construction can produce the dust polluted environment when broken stone, further increases the dust of road and bridge job site, and is not environmental protection to this crushing and screening device for road and bridge construction only sieves the stone after the breakage through the drum screen cloth, can not sieve in grades.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome the dust polluted environment that current crushing and screening device for road and bridge construction can't avoid broken stone to produce to the problem that can not sieve in grades aims at providing one kind and has dust removal function and the crushing and screening device for road and bridge construction that can sieve in grades.

The utility model provides a road bridge construction is with broken screening plant, throws feed bin, broken storehouse and screening storehouse including mutual intercommunication, it is provided with the dog-house to throw the feed bin, broken storehouse set up in throw the oblique below of feed bin and inside be provided with broken mechanism, the screening storehouse set up in broken storehouse below and seted up the discharge gate, the inside hierarchical screening mechanism that is provided with in screening storehouse, the broken storehouse outside is provided with the actuating mechanism who is used for driving broken mechanism, broken storehouse top is provided with dust removal mechanism, just dust removal mechanism with throw the inside intercommunication of feed bin.

Furthermore, dust removal mechanism includes dust exhausting fan, air-supply line and goes out the tuber pipe, dust exhausting fan passes through the air-supply line with throw the inside intercommunication of feed bin, dust exhausting fan passes through it communicates with the atmosphere to go out the tuber pipe.

Furthermore, classifying screen divides the mechanism to include first shale shaker and the second shale shaker that sets up towards opposite direction slope, the discharge gate includes first discharge gate, second discharge gate and third discharge gate, first discharge gate and second discharge gate set up respectively in first shale shaker and second shale shaker bottom, the third discharge gate set up in screening storehouse bottom.

Furthermore, crushing mechanism including set up side by side and with crushing storehouse rotates the first crushing roller and the second crushing roller of being connected, actuating mechanism drives first crushing roller and second crushing roller rotate towards opposite direction.

Furthermore, the first crushing roller and the second crushing roller are tooth rollers.

Furthermore, the end parts of the first crushing roller and the second crushing roller penetrate through the crushing bin and are fixedly sleeved with a first driven chain wheel and a second driven chain wheel;

the driving mechanism comprises a speed reducing motor, a first gear and a second gear which are meshed with each other, the first gear is fixedly connected with an output shaft of the speed reducing motor, the first gear and the second gear are respectively and coaxially provided with a first driving chain wheel and a second driving chain wheel, a first chain is meshed with the outer sides of the first driven chain wheel and the first driving chain wheel, and a second chain is meshed with the outer sides of the second driven chain wheel and the second driving chain wheel.

Furthermore, the dog-house is provided with dustproof curtain.

Furthermore, a first discharging plate and a second discharging plate are respectively arranged on the outer sides of the first discharging hole and the second discharging hole.

Furthermore, a gathering port is arranged at the top of the inner side of the screening bin.

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

(1) the utility model provides a broken screening plant is used in road and bridge construction through setting up dust removal mechanism, drops into the dog-house with the stone and gets into broken storehouse and carry out the breakage in the dog-house, and the dust that produces mixes the air and removes dust by dust removal mechanism to produce the effect of removing dust, avoid the dust to spill over to the broken screening plant outside is used in the road and bridge construction, avoid further increasing the dust of road and bridge job site, thereby effectively prevent polluted environment threat road and bridge constructor's health.

(2) The utility model provides a crushing and screening device is used in road and bridge construction, through setting up hierarchical screening mechanism, first shale shaker carries out preliminary screening to the stone after the breakage, sieve out great stone and pass through first discharge gate discharge screening storehouse, the second shale shaker carries out further screening to all the other stones that first screening storehouse screening goes out, sieve out less stone and littleer stone with all the other stones, thereby carry out hierarchical screening, the particle diameter that makes the stone of screening out is more even, be convenient for sieve out the qualified stone of particle diameter and fill as the filler in the road and bridge work progress.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a schematic overall structure diagram of a crushing and screening device for road and bridge construction in a specific embodiment.

Fig. 2 is a schematic structural view of the first crushing roller and the second crushing roller in the embodiment.

FIG. 3 is a cross-sectional view of a screening cartridge in an example embodiment.

Fig. 4 is a schematic structural view of a screening silo in an embodiment.

In the figure: 1. a feeding bin; 2. a feeding port; 3. a crushing bin; 4. screening the bin; 5. a dust removal fan; 6. an air inlet pipe; 7. an air outlet pipe; 8. a first vibrating screen; 9. a second vibrating screen; 10. a first discharge port; 11. a second discharge port; 12. a first crushing roller; 13. a second crushing roller; 14. a first driven sprocket; 15. a second driven sprocket; 16. a reduction motor; 17. a first gear; 18. a second gear; 19. a second drive sprocket; 20. a first chain; 21. a second chain; 22. a dust curtain; 23. a first discharge plate; 24. a second discharge plate; 25. a gathering plate; 26. mounting a platform; 27. and a discharge baffle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The specific embodiment is as follows:

as shown in fig. 1, the crushing and screening device for road and bridge construction in the present embodiment includes a charging bin 1, a crushing bin 3, and a screening bin 4. Wherein, broken storehouse 3 is located directly over screening storehouse 4, throws feed bin 1 and is located 3 oblique tops in broken storehouse, and throws feed bin 1,

broken storehouse

3 and 4 integrative settings in screening storehouse and inside intercommunication. Throw 1 upper portion in feed bin and be provided with dog-house 2, broken 3 tops in storehouse be provided with throw 1 inside dust removal mechanism that communicate in feed bin, broken 3 and 4 inside broken mechanisms and the hierarchical screening mechanism that are provided with respectively in storehouse of screening, screening storehouse 4 is provided with the discharge gate. The outer sides of the crushing bin 3 and the screening bin 4 are also provided with a driving mechanism for driving the crushing mechanism.

In this embodiment, dust removal mechanism includes dust exhausting fan 5, air-supply line 6 and goes out tuber pipe 7, and dust exhausting fan 5 installs in broken 3 tops in storehouse, and the both ends of air-supply line 6 are connected and communicate with feeding storehouse and 5 air intake of dust exhausting fan respectively, go out the one end of tuber pipe 7 and be connected and communicate with 5 air outlets of dust exhausting fan, and the other end communicates with the atmosphere. The air outlet of the dust removing fan 5 is detachably provided with a filter screen.

Through setting up dust removal mechanism, drop into the dog-house 2 with the stone and get into broken storehouse 3 and carry out the breakage, the dust doping air of production is inhaled through air-supply line 6 by dust exhausting fan 5, and filter through the filter screen of air outlet, the dust is stayed on the filter screen, the air after the filtration is through going out tuber pipe 7 discharges, thereby produce the effect of removing dust, it is outside to avoid the dust to spill over to broken screening plant for the road and bridge construction, avoid further increasing the dust of road and bridge job site, thereby effectively prevent the polluted environment threat road and bridge constructor's health.

Crushing and screening device is used in road and bridge construction in this embodiment, for further avoiding the dust to spill over, dog-house 2 is provided with dustproof curtain 22, and is concrete, and dustproof curtain 22 can adopt the pvc material to make.

In this embodiment, the crushing mechanism includes a first crushing roller 12 and a second crushing roller 13 which are arranged side by side, both ends of the first crushing roller 12 and the second crushing roller 13 are rotatably connected to the side wall of the crushing bin 3, and the first crushing roller 12 and the second crushing roller 13 rotate in opposite directions. The first crushing roller 12 and the second crushing roller 13 are toothed rollers, as shown in fig. 2, specifically, the first crushing roller 12 and the second crushing roller 13 both include a crushing roller body, a protection plate is fixedly arranged on the inner side of the crushing roller body, a connection sleeve is arranged on the outer side of the crushing roller body, a connection shaft is fixedly mounted at one end of the connection sleeve, which is far away from the protection plate, a crushing toothed tooth is arranged on the crushing roller body, and the first crushing roller 12 and the second crushing roller 13 are rotatably connected with the side wall of the crushing bin 3 through the connection shaft.

As shown in fig. 1, the driving mechanism includes a speed reduction motor 16, and a first gear 17 and a second gear 18 that are engaged with each other, an output shaft of the speed reduction motor 16 is fixedly connected with a first driving shaft, the first gear 17 is fixedly sleeved on the first driving shaft, and a first driving sprocket is further fixedly sleeved on one side of the first driving shaft away from the speed reduction motor 16. The second gear 18 is fixedly sleeved on the second driving shaft, mounting plates are arranged at two ends of the second driving shaft, and the second driving shaft is rotatably connected with the mounting plates. A second driving chain wheel 19 is fixedly sleeved on one side of the second driving shaft close to the first driving chain wheel. The connecting shafts of the first crushing roller 12 and the second crushing roller 13 penetrate through the side wall of the crushing bin 3, and a first driven chain wheel 14 and a second driven chain wheel 15 are fixedly sleeved on the connecting shafts. A first chain 20 is engaged outside the first driven sprocket 14 and the first drive sprocket, and a second chain 21 is engaged outside the second driven sprocket 15 and the second drive sprocket 19.

In this embodiment, in order to make the overall structure of the crushing and screening device for road and bridge construction more compact, a mounting platform 26 is arranged on one side of the screening bin 4 adjacent to the feeding bin, and the speed reduction motor 16 and the mounting plate are mounted on the mounting platform 26.

In this embodiment, support posts are provided at the bottom of the screening bin 4 and the mounting platform 26. As shown in fig. 3, the classifying and screening mechanism includes a first vibrating screen 8 and a second vibrating screen 9, and the first vibrating screen 8 and the second vibrating screen 9 are obliquely disposed inside the screening chamber 4 in opposite directions. The first vibrating screen 8 is positioned above the second vibrating screen 9, and the aperture of the first vibrating screen 8 is larger than that of the second vibrating screen 9.

The discharge ports comprise a first discharge port 10, a second discharge port 11 and a third discharge port, and the first discharge port 10 and the second discharge port 11 are respectively arranged at two adjacent sides of the screening bin 4 and the mounting platform 26 and are located at one lower side of the first vibrating screen 8 and the second vibrating screen 9. The outer sides of the first discharge hole 10 and the second discharge hole 11 are respectively provided with a first discharge plate 23 and a second discharge plate 24. Screening storehouse 4 lower side wall has seted up the third discharge gate and has been provided with flexible discharge baffle 27, flexible discharge baffle 27 and screening storehouse 4 sliding connection.

Broken screening plant is used in road and bridge construction in this embodiment, through setting up hierarchical screening mechanism, the stone after first shale shaker 8 is broken carries out preliminary screening, sieve out great stone and pass through first discharge gate 10 discharge screening storehouse 4, the remaining stone of second shale shaker 9 to first screening storehouse 4 screening carries out further screening, sieve out less stone and littleer stone with all the other stones, thereby carry out hierarchical screening, make the particle diameter of the stone of screening out more even, be convenient for sieve out the qualified stone of particle diameter and fill as the filler in the road and bridge work progress.

In this embodiment, as shown in fig. 4, a gathering plate 25 is further fixedly disposed at the top of the screening bin 4, the gathering plate 25 is trapezoidal and is obliquely disposed to form a gathering port in an end-to-end manner, so that the crushed stones can be gathered conveniently.

The crushing and screening device for road and bridge construction in the embodiment has the working principle that:

during the use, start gear motor 16 and dust exhausting fan 5, drop into the dog-house with the stone and get into broken storehouse 3, gear motor 16 drives first gear 17 and rotates, because first gear 17 and the meshing of second gear 18, first gear 17 drives second gear 18 and rotates towards opposite direction, thereby drive first drive sprocket and the 19 rotation of second drive sprocket towards opposite direction, and through first chain 20 and the transmission of second chain 21, make first driven sprocket 14 and the 15 rotation of second driven sprocket towards opposite direction, thereby drive first crushing roller 12 and the 13 rotation of second crushing roller towards opposite direction and carry out the breakage to the stone. Dust-doped air generated in the crushing process is sucked by the dust removal fan 5 through the air inlet pipe 6 and filtered through the filter screen of the air outlet, dust is left on the filter screen, and the filtered air is discharged through the air outlet pipe 7, so that the dust removal effect is achieved. The stone after the breakage is through the preliminary screening of first shale shaker 8 and the secondary screening of second shale shaker 9 to carry out hierarchical screening, make the particle diameter of the stone of screening out more even, be convenient for sieve out the qualified stone of particle diameter and fill as the filler in the road bridge work progress.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a road bridge construction is with broken screening plant which characterized in that: comprises that

The device comprises a feeding bin (1), wherein the feeding bin (1) is provided with a feeding port (2);

the crushing bin (3) is arranged obliquely below the feeding bin (1), and a crushing mechanism is arranged in the crushing bin (3);

the screening bin (4) is arranged below the crushing bin (3) and is provided with a discharge hole, and a grading and screening mechanism is arranged inside the screening bin (4);

the driving mechanism is arranged outside the crushing bin (3) and is used for driving the crushing mechanism; and

the dust removal mechanism is arranged above the crushing bin (3) and is communicated with the interior of the feeding bin (1);

the feeding bin (1), the crushing bin (3) and the screening bin (4) are communicated with each other.

2. The crushing and screening device for road and bridge construction according to claim 1, wherein: dust removal mechanism includes dust exhausting fan (5), air-supply line (6) and goes out tuber pipe (7), dust exhausting fan (5) pass through air-supply line (6) with throw feed bin (1) inside intercommunication, dust exhausting fan (5) pass through go out tuber pipe (7) and atmosphere intercommunication.

3. The crushing and screening device for road and bridge construction according to claim 2, wherein: classifying screen divides mechanism includes first shale shaker (8) and second shale shaker (9) that the opposite direction slope set up, the discharge gate includes first discharge gate (10), second discharge gate (11) and third discharge gate, first discharge gate (10) and second discharge gate (11) set up respectively in first shale shaker (8) and second shale shaker (9) bottom, the third discharge gate set up in screening storehouse (4) bottom.

4. The crushing and screening device for road and bridge construction according to claim 3, wherein: the crushing mechanism comprises a first crushing roller (12) and a second crushing roller (13) which are arranged side by side and are rotatably connected with the crushing bin (3), and the driving mechanism drives the first crushing roller (12) and the second crushing roller (13) to rotate towards opposite directions.

5. The crushing and screening device for road and bridge construction according to claim 4, wherein: the first crushing roller (12) and the second crushing roller (13) are both tooth rollers.

6. The crushing and screening device for road and bridge construction according to claim 5, wherein: the end parts of the first crushing roller (12) and the second crushing roller (13) penetrate through the crushing bin (3) and are fixedly sleeved with a first driven chain wheel (14) and a second driven chain wheel (15);

the driving mechanism comprises a speed reducing motor (16) and a first gear (17) and a second gear (18) which are meshed with each other, the first gear (17) is fixedly connected with an output shaft of the speed reducing motor (16), the first gear (17) and the second gear (18) are respectively and coaxially provided with a first driving chain wheel and a second driving chain wheel (19), a first chain (20) is meshed on the outer sides of the first driven chain wheel (14) and the first driving chain wheel, and a second chain (21) is meshed on the outer sides of the second driven chain wheel (15) and the second driving chain wheel (19).

7. The crushing and screening device for road and bridge construction according to claim 6, wherein: the feeding port (2) is provided with a dustproof curtain (22).

8. The crushing and screening device for road and bridge construction according to claim 7, wherein: the outer sides of the first discharge port (10) and the second discharge port (11) are respectively provided with a first discharge plate (23) and a second discharge plate (24).

9. The crushing and screening device for road and bridge construction according to claim 8, wherein: the top of the inner side of the screening bin (4) is provided with a gathering port.