CN215625388U

CN215625388U - Efficient mixture conveyor

Info

Publication number: CN215625388U
Application number: CN202121516747.4U
Authority: CN
Inventors: 吴结伟; 唐绪勇; 黄明; 陈云亮
Original assignee: Guizhou Datong Road Bridge Engineering Construction Co ltd
Current assignee: Guizhou Datong Road Bridge Engineering Construction Co ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2022-01-25
Anticipated expiration: 2031-07-05

Abstract

The utility model discloses an efficient mixture conveying device which comprises a plurality of storage bins arranged in an underground pit side by side, wherein the feed ports of the storage bins are kept at the same level with the ground, and a conveying device is arranged right below the discharge port at the bottom of the storage bins. The efficient mixture conveying device solves the problems of low unloading efficiency of the loader in the unloading process, high oil consumption and serious potential safety hazard of the loader in the up-slope unloading process, improves the unloading efficiency, reduces the unloading insecurity of the loader, reduces the oil consumption of the loader, avoids the mixing condition in the unloading process, and improves the quality of the mixture. The bin is sunk and arranged, so that the process of manually cleaning waste materials is eliminated, the original maximum production efficiency can only reach 650t/h to 750t/h, the problem that the conveying efficiency of aggregate is far lower than the rated yield is effectively solved, and the actual yield is close to the rated yield.

Description

Efficient mixture conveyor

Technical Field

The utility model relates to the technical field of concrete, in particular to an efficient mixture conveying device.

Background

The cement stabilized macadam takes graded macadam as aggregate, adopts a certain amount of cementing materials and enough mortar volume to fill the gap of the aggregate, and is paved and compacted according to the embedding and extruding principle. Its compactness is close to compactness, and its strength mainly depends on the embedding, squeezing and locking principle between broken stones, and at the same time it has enough mortar volume to fill the aggregate gap. The company of China has introduced a set of water-stable mixing station with the rated yield of 800t/h, and the main structure of the aggregate conveying device of the water-stable mixing station is provided with a storage bin, a conveying device and the like. The storage bin is used for storing aggregate, and the aggregate contains stones and sands with different components. Conveyer sets up subaerial in this mix station, is provided with the feed bin directly over conveyer, and the feed bin is higher apart from ground, for the ease of the vehicle throws the material, need set up the slope to the loader transports to gather materials and unload to feed bin department. Through use, the aggregate conveying device of the water-stable mixing station is found to have the following problems:

1. the feed inlet position at feed bin top is higher apart from ground, the loader transports after gathering materials to the feed bin, need unload through the slope, because the gathering materials of transportation are heavier, the loader is more slow in the in-process of upslope, and unload and accomplish the back loader and only can back a car and return the level land, because of the limited loader that leads to other stops to wait on the level land lags behind the unloading of space, the time of unloading is equally longer, lead to the inventory of vehicle to satisfy the full load operation of mixing station, present this mixing station's maximum production efficiency can only reach within 650t/h, production efficiency is lower.

In addition, in the process of unloading the vehicle on the uphill slope, the vehicle needs to be driven by an accelerator due to the fact that the vehicle goes uphill slope and the transported aggregate is heavy, so that the oil consumption of the loader is high, and the production cost of the mixture is increased. And the equipment has great potential safety hazard when climbing and backing a car on the slope.

2. The width of each bin is 3.2-3.5 m, the bins are separated by metal baffles, and the width only allows one loader (with the bucket width of 2.95m) to unload one bin, so that the unloading efficiency is low. The baffle is touched easily to the loader in-process of unloading to make the baffle appear damaging, lead to the circumstances of the compounding to appear in the aggregate of different feed bins.

3. Conveyer is at the in-process of carrying gathering materials, and the easy adhesion of gathering materials is on the conveyer belt, and when the conveying gyro wheel, it has the regional conveyer belt atress inhomogeneous vibration that takes place to adhere to gather materials, makes the conveyer belt that scatters out, leads to the process stability of transmission poor, therefore the efficiency of conveying reduces to the friction loss that brings is attached to on the conveyer belt for a long time to the gathering materials of caking, has seriously reduced the life of conveyer belt, tears conveyer belt even.

4. When the loader unloads on an upslope, due to the fact that a large gap exists between the edge of a feeding port of the storage bin and the slope, aggregate falls off in the unloading process, and accordingly the aggregate is seriously scattered on the ground, and workers need to be arranged to clean the scattered aggregate at the bottom of the storage bin every two hours during construction.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an efficient mixture conveying device. According to the utility model, the bin is arranged in a sinking way, and the steel plate is arranged on the side surface of the bin, so that the problems of low discharging efficiency and low safety of the loader in the discharging process are solved, and meanwhile, the waste cleaning work of the bin is eliminated; by enlarging the width and the height of the bin, the discharging efficiency is improved, and the mixing condition is prevented; the material removing device carries out material removing maintenance on the conveying belt, and the service life of the conveying belt is prolonged; the hot melt oblique connection of the belt improves the running quality of the belt.

The technical scheme of the utility model is as follows: the utility model provides an efficient mixture conveyor, includes a plurality of storage silos that set up side by side in the underground pit, and the dog-house of a plurality of storage silos keeps same level with ground, and the discharge gate below of storage silo bottom is equipped with weighing device, is equipped with conveyer under the weighing device.

In the efficient mixture conveying device, the conveying device is provided with the material removing device, the material removing device comprises the scraper, the scraper is fixedly connected with the rotating shaft, the rotating shaft is connected with the conveying device, the arc surface at one end of the rotating shaft is provided with the square clamping groove, the square clamping groove in the rotating shaft is fixedly connected with the connecting rod, and the connecting rod penetrates through the spring and is fixedly connected with the sleeve, and the sleeve is fixedly connected with the conveying device.

In the efficient mixture conveying device, the conveying device comprises the original conveying belt, and the two ends of the original conveying belt are connected with the coupling connecting belt through hot melting after the original conveying belt is obliquely sheared and disconnected.

In the efficient mixture conveying device, the width of the feeding port at the top of the storage bin is 4.2-5 m.

In the efficient mixture conveying device, the two sides of the feed opening at the top of each storage bin and the back of the feed opening are provided with the metal baffle plates, and a short retaining wall higher than the ground level is arranged right in front of the feed opening.

In the efficient mixture conveying device, the two sides of the metal baffle on the side surface of the storage bin are provided with the protective walls.

In the efficient mixture conveying device, a plurality of drainage grooves are formed in the ground of the underground pit.

In the efficient mixture conveying device, the floor on the same level as the storage bin is provided with the waterproof plate.

The utility model has the beneficial effects that:

1. according to the utility model, the position of the storage bin is redesigned, and the storage bin is arranged in the pit, so that the storage bin and the ground are kept horizontal, the problem that the unloading efficiency of the loader is low in the unloading process is solved, and the problems that the loader consumes a large amount of oil and has serious potential safety hazard in the up-slope unloading process are also avoided. The original maximum production efficiency can only reach 650t/h, and is improved to at least 750t/h in daily construction, so that the problem that the conveying efficiency of aggregate is far inferior to the rated efficiency is effectively solved.

2. According to the utility model, by widening the size of the storage bin, the width of the storage bin is changed from 3-3.5 m to 4.2-5 m, so that the aggregate is not easy to touch a metal baffle in the unloading process, the improvement not only increases the capacity of storing the aggregate, but also can prevent different stones or sands from mixing in the unloading process of a loader, and further improves the unloading efficiency and the engineering quality; meanwhile, the construction cost of the field is also considered.

3. According to the utility model, through the elastic design of the material removing device, aggregate attached to the conveyor belt and agglomerated is effectively removed, so that the conveyor belt is uniformly stressed when passing through the rollers, the problem that the aggregate falls out of the conveyor belt is solved, the conveying is more stable, the conveying efficiency is improved, and the service life of the conveyor belt is prolonged.

4. The feed bin sinks to the pit, the feed opening edge of the storage bin is tightly attached to the short retaining wall, no gap exists between the feed opening edge and the wall surface, and the problem that aggregate falls out of the feed bin in the unloading process is solved. The waste materials can be cleaned without the need of workers at fixed time and fixed point, the use of human resources is reasonably planned, and the economic expenditure is saved.

In summary, the following steps: the efficient mixture conveying device effectively solves the problems of low discharging efficiency of the loader in the up-slope discharging process, potential safety hazards in the discharging process of the loader and high oil consumption in the redesigned storage bin position and size. The unloading efficiency is improved, the unloading insecurity of the loader is reduced, and the oil consumption of the loader is reduced. In addition, the utility model can only reach 650t/h to 750t/h from the original maximum production efficiency, effectively reduces the problem that the conveying efficiency of the aggregate is far inferior to the rated yield, and leads the actual yield to be close to the rated yield.

Drawings

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

FIG. 2 is a schematic view of a hot melt splice of a conveyor belt;

FIG. 3 is a schematic structural view of a material removing device;

FIG. 4 is a schematic structural view of a material removing device;

FIG. 5 is a schematic view of a structure of a metal baffle plate on the ground;

the labels in the figures are: 1-motor, 2-conveyor belt, 3-support bar, 4-support, 5-storage bin, 6-discharge port, 7-side plate, 8-material removing device, 9-bottom plate, 10-support, 11-waterproof plate, 12-drainage tank, 13-coupling connecting belt, 14-roller, 15-scraper, 16-spring, 17-tension wheel, 18-connecting bar, 19-weighing device, 20-rotating shaft, 21-sleeve, 22-metal baffle, 23-short retaining wall, 201-original conveyor belt.

Detailed Description

The utility model is further illustrated by the following figures and examples, which are not to be construed as limiting the utility model.

Examples are given. A high-efficiency mixture conveying device is shown in figures 1-4 and comprises a plurality of storage bins 5 which are arranged in an underground pit side by side, feed ports of the storage bins 5 are kept at the same level with the ground, a weighing device 19 is arranged below a discharge port 6 at the bottom of each storage bin 5, and a conveying device is arranged right below the weighing device 19.

The level of the feed opening of the storage silo 5 with the ground is to avoid problems encountered when the loader is unloading on an uphill slope. The vehicle goes on horizontal ground, unloads, reduces the potential safety hazard and has reduced the oil consumption of loader, and the loader can directly turn around and leave after unloading, and the loader that the rear was waited for to unload unloads to 5 dog-house immediately, and the efficiency of unloading improves, and the time of waiting for the original way to return after the loader unloads in the process of avoiding going up a slope and unloading, next loader continuation going up a slope and unloading after vacating the road. Therefore, the position design of the storage bin 5 also improves the unloading efficiency, and effectively solves the problem that the conveying capacity of aggregate cannot meet the full-load operation of a mixing station. Aggregate stored in the storage bin 5 flows out to the weighing device 19 through the discharge port 6, and after the weighing device 19 weighs stones and sands in different aggregates to required requirements, the stones and the sands are conveyed to the conveying device through belt conveying.

The conveying device comprises a bottom plate 9, a plurality of supporting rods 3 and a plurality of rollers 14 are arranged on the bottom plate 9, the rollers 14 are movably connected with the supporting rods 3, the supporting rods 3 are fixedly connected with the bottom plate 9, the bottom plate 9 is fixedly connected with a motor 1, the output end of the motor 1 is fixedly connected with the rollers 14, a conveying belt 2 is arranged on the rollers 14, the conveying belt 2 is connected with a tensioning wheel 17, and a discharge hole 6 is formed right above the conveying belt 2.

The support rods 9, rollers 14 and base plate 9 form a frame, the motor 1 provides power for the movement of the conveyor belt 2, and the conveyor belt 2 transports aggregate to the mixing station. The tension wheel 17 is used for adjusting the tightness degree of the conveyor belt 2, thereby increasing the conveying efficiency.

The material removing device 8 is arranged on the conveying device, the material removing device 8 comprises a scraper 15, the scraper 15 is fixedly connected with a rotating shaft 20, the rotating shaft 20 is connected with the conveying device, a square clamping groove is formed in the arc surface of one end of the rotating shaft 20, the square clamping groove in the rotating shaft 20 is fixedly connected with a connecting rod 18, the connecting rod 18 penetrates through a spring 16 and a sleeve 21, and the sleeve 21 is fixedly connected with the conveying device.

The desilting device 8 is in order to get rid of the aggregate of adhering to on conveyer belt 2, some aggregate closely adhere to on conveyer belt 2 in the transportation, transmission efficiency and stability have been influenced, the aggregate of caking contacts the back with scraper blade 15, exert elasticity by spring 16, scraper blade 15 does not take place to rotate and then scrapes the aggregate of adhering to on conveyer belt 2 the caking, when the aggregate of caking is big, it promotes scraper blade 15 and rotates to gather materials, and then take pivot 20 to rotate, square groove compression spring 16 in the pivot 20, at this moment, the aggregate of not clearing up the caking is fast through the desilting device 8, scraper blade 15 continues to clear up the aggregate of adhering to on conveyer belt 2 under spring 16's spring action. The bottom plate 1 is used for supporting and protecting effects and collecting the aggregate falling off from the conveyor belt 2 by the mud removing device 8. The scraper 15 is used for removing the aggregate tightly attached to the conveyor belt 2, the spring 16 is designed to ensure that the scraper 15 is in elastic contact with the aggregate, and for safety, the scraper 15 is prevented from being incapable of removing excessive or hard aggregate at one time, so that rigid impact is avoided, and further damage to the use of the equipment is avoided.

The conveyor belt 2 comprises an original conveyor belt 201, and after the original conveyor belt 201 is obliquely cut off, the two ends of the original conveyor belt 201 are connected with the coupling connecting belt 13 through hot melting.

Because the position of feed bin sinks to the underground pit from original ground, and the position of stirring station is unchangeable, so the distance of conveying compares and increases to some extent with original, and original conveyer belt length can't satisfy the transmission requirement, consequently need lengthen conveyer belt 2. Extension or restoration of conveyer belt 2 in the past is the section of cutting original conveyer belt 201, in addition a conveyer belt 2, then adopt the bolt to connect respectively at original conveyer belt 201 both ends, but the 2 surperficial unsmooths of conveyer belt that connect, and the conveyer belt 2 that the bolt connects is when the gyro wheel 14, bolt and gyro wheel 14 take place elastic collision, make the conveying unstable, lead to gathering materials and easily drop from conveyer belt 2, it is serious to gather materials, every two hours just will arrange the workman to remove the collection materials that the clearance dropped. Consequently this device adopts the hot melt to connect

conveyer belt

2, 2 surperficial parallel and level of conveyer belt that the hot melt connects to 2 conveying of conveyer belt after the hot melt is connected are more steady, gather materials and can not drop from conveyer belt 2. In addition, there are two purposes of hot-melt splicing of the conveyor belts 2 in an oblique direction, namely, a smoother transition for splicing between different conveyor belts 2. Secondly, in order to avoid the stress concentration of the coupling connecting belt 13 when the coupling connecting belt passes through the roller 14, the stress of the contact of the roller is concentrated on an axial straight line, only one point is stressed when the oblique coupling connecting belt 13 is in contact with the roller, and the anti-damage capability of the conveyor belt is improved. If the coupling band 13 is designed parallel to the axial direction, the coupling band 13 is subjected to a greater force in the axial direction when passing over the rollers 14, so that the conveyor belt 2 is more easily fatigued or damaged.

The width of a feeding port at the top of the storage bin 5 is 4.2-5 m.

The width of the feed opening is 4.2 m-5 m, the metal baffle plate 22 is not easily touched when the loader unloads, the aggregate can be prevented from colliding with the metal baffle plate 22 when the loader unloads, and the design can increase the volume of the aggregate stored in the storage bin 5, increase the unloading efficiency and prevent the situation of material mixing during the unloading process. The larger the width of the storage bin 5 is adjusted, the more convenient the discharge is. However, the width of the storage bin 5 is too large, the larger the site is, and the higher the construction cost of the site is. The width of the feeding port is set to be 4.5-5 m, so that the phenomenon that the vehicle collides with the metal baffle plate 22 in the discharging process can be avoided, and the construction cost of the field can be considered.

The dog-house both sides at every storage silo 5 top and back are provided with metal baffle 22, and the dead ahead of dog-house is provided with the short barricade 23 that exceeds the horizon. The metal baffle 22 protects the storage bin 5. The low retaining wall 23 is arranged for safety, so that safety accidents caused when the loader backs up and unloads materials in the unloading process are avoided.

The metal baffle 22 both sides of 5 sides in storage silo are provided with protective wall, protect metal baffle 22, avoid the vehicle to unload the in-process carelessly directly touch metal baffle 22. The protective wall body can further protect the storage bin 5.

A plurality of drainage channels 12 are arranged on the ground of the underground pit. The drainage channel 12 is used for draining redundant accumulated water in the pit, so that the accumulated water is prevented from interfering the work of the equipment, and the service life of the equipment is prolonged.

And a waterproof plate 11 is arranged on the ground at the same level as the storage bin 5. The waterproof board 11 is used for preventing accumulated water or rainwater on the ground from flowing into the pit and further influencing the use of the equipment.

The efficient mixture conveying device solves the problems of low unloading efficiency of the loader in the unloading process, high oil consumption and serious potential safety hazard of the loader in the up-slope unloading process, improves the unloading efficiency, reduces the unloading insecurity of the loader, reduces the oil consumption of the loader and improves the mixture quality. The bin is sunk and arranged, so that the process of manually cleaning waste materials is eliminated, the original maximum production efficiency can only reach 650t/h to 750t/h, the problem that the conveying efficiency of the mixture is far inferior to the rated yield is effectively reduced, and the actual yield is close to the rated yield.

Claims

1. An efficient mixture conveyor, its characterized in that: the underground pit conveying device comprises a plurality of storage bins (5) arranged in an underground pit side by side, the feed ports of the storage bins (5) are kept at the same level with the ground, a weighing device (19) is arranged below a discharge port (6) at the bottom of each storage bin (5), and a conveying device is arranged under each weighing device (19).

2. The efficient mix conveyor of claim 1, wherein: the material removing device is characterized in that the material removing device (8) is arranged on the conveying device, the material removing device (8) comprises a scraper (15), the scraper (15) is fixedly connected with a rotating shaft (20), the rotating shaft (20) is connected with the conveying device, a square clamping groove is formed in the arc surface of one end of the rotating shaft (20), the square clamping groove in the rotating shaft (20) is fixedly connected with a connecting rod (18), the connecting rod (18) penetrates through a spring (16) and a sleeve (21) which are fixedly connected, and the sleeve (21) is fixedly connected with the conveying device.

3. The efficient mix conveyor of claim 1, wherein: the conveying device comprises an original conveying belt (201), and after the original conveying belt (201) is obliquely sheared and disconnected, the two ends of the original conveying belt are connected with a coupling connecting belt (13) through hot melting.

4. The efficient mix conveyor of claim 1, wherein: the width of a feeding port at the top of the storage bin (5) is 4.5-5 m.

5. The efficient mix conveyor of claim 1, wherein: and metal baffles (22) are arranged on two sides of the feed opening at the top of each storage bin (5) and the back of the feed opening, and a short retaining wall (23) higher than the ground level is arranged right in front of the feed opening.

6. The efficient mix conveyor of claim 1, wherein: and protective wall bodies are arranged on two sides of the metal baffle (22) on the side surface of the storage bin (5).

7. The efficient mix conveyor of claim 1, wherein: and a plurality of drainage grooves (12) are arranged on the ground of the underground pit.

8. The efficient mix conveyor of claim 1, wherein: and a waterproof plate (11) is arranged on the ground which is at the same level with the storage bin (5).

9. The efficient mix conveyor of claim 6, wherein: the edge of the feed opening of the storage bin (5) is tightly attached to the short retaining wall (23).