CN212739883U

CN212739883U - Grit ejection of compact hoisting device

Info

Publication number: CN212739883U
Application number: CN202021342998.0U
Authority: CN
Inventors: 卢青; 陈文轩; 姚一帆; 刘秀红
Original assignee: Suzhou Shangjian Hangxin Concrete Co ltd
Current assignee: Suzhou Shangjian Hangxin Concrete Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-03-19
Anticipated expiration: 2030-07-09

Abstract

The utility model relates to a gravel discharging and lifting device, which comprises a lifting machine, wherein one end of the lifting machine is arranged below a discharge port of a gravel storage bin, the other end of the lifting machine is arranged at a feed inlet of a mixing station, a dust hood is also arranged on the lifting machine below the discharge port of the gravel storage bin, a cover plate is arranged above the dust hood, and a dust suction pipe is communicated on the cover plate; one end of the dust collection pipe, which is far away from the cover plate, is communicated with an air inlet of the fan, and a feeding port is also formed in one side of the cover plate on the dust collection cover. The utility model discloses the raise dust that produces when can falling the lifting machine to the grit material extracts, adsorbs and filters to reach the effect of dust removal, prevent that operational environment from producing dust pollution, influence that the staff's is healthy.

Description

Grit ejection of compact hoisting device

Technical Field

The utility model belongs to the technical field of recycled concrete production's technique and specifically relates to a grit ejection of compact hoisting device is related to.

Background

The regenerated concrete is prepared by crushing, cleaning and grading waste concrete blocks, adding water, cement, sand and stone materials and the like, and mixing the waste concrete blocks and the sand and stone materials with a grading system according to a certain proportion to form new concrete. In the production process of recycled concrete, aggregate such as gravel needs to be transported from a storage bin to a concrete mixing plant for preparation, and the aggregate such as gravel is generally transported by a conveyor and a hoister at present.

Chinese patent with publication number CN210655355U discloses a novel perpendicular grit lifting machine, set up the one side in the feed bin, which comprises a frame, erect the drive assembly in the frame and erect a plurality of hopper on the drive assembly, the drive assembly is including erectting the sprocket in the frame, with the sprocket meshing and be used for the conveying chain and the drive sprocket pivoted servo motor of fixed hopper, the frame is including erectting subaerial vertical frame and the sloping frame of being connected with vertical frame, the top of sloping frame by vertical frame upwards and towards the direction slope of feed bin, the vertical frame is erect the tight subassembly that tightens of chain with the junction of sloping frame.

Among the above-mentioned scheme, the hopper is through twice slope at the top of perpendicular frame and sloping frame, and the hopper is when empting the grit, and the feed hopper is one towards the power of feed bin feed inlet, makes the grit in the hopper change the feed inlet that falls into the feed bin, has improved conveying efficiency. However, in the above scheme, a large amount of dust is generated when the sand and stone material falls into the feed inlet of the bin from the hopper, and the dust enters the air to pollute the air, pollute the working environment and harm the health of workers.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a can reduce grit ejection of compact hoisting device that the raise dust pollutes.

The above technical purpose of the present invention can be achieved by the following technical solutions: a gravel discharging and lifting device comprises a lifter, wherein one end of the lifter is arranged below a discharge hole of a gravel storage bin, the other end of the lifter is arranged at a feed inlet of a mixing station, a dust hood is further arranged on the lifter below the discharge hole of the gravel storage bin, a cover plate is arranged above the dust hood, and a dust suction pipe is communicated with the cover plate; one end of the dust collection pipe, which is far away from the cover plate, is communicated with an air inlet of the fan, and a feeding port is further formed in one side of the cover plate on the dust collection cover.

Through adopting above-mentioned technical scheme, the grit storage silo unloads the grit material from discharge gate department, and the grit material falls into on the lifting machine of suction hood below from the pan feeding mouth department on the suction hood, and the lifting machine promotes the grit material to the feed gate department of mixing the station, then unloads the grit material to mixing arrangement. When the sand and stone material falls on the hoister, a large amount of dust can be lifted, and the dust can be gathered by the dust hood, so that the dust is prevented from diffusing into the air, and the working environment is polluted. The dust collection pipe is communicated with the fan, and the fan pumps the dust away through the dust collection pipe so as to reduce dust pollution of the working environment.

The present invention may be further configured in a preferred embodiment as: and the air outlet of the fan is communicated with the dust collecting device.

Through adopting above-mentioned technical scheme, dust collection device can set up to filter core or dust removal sack etc. and the fan will be followed the air pump that inhales in the suction hood and sent to dust collection device and remove dust, then discharges, can reduce air pollution.

The present invention may be further configured in a preferred embodiment as: the two side walls of the dust hood in the width direction of the elevator are also provided with baffle curtains, and the baffle curtains are arranged at the bottom ends of the side walls of the dust hood.

Through adopting above-mentioned technical scheme, there is the clearance between the conveyer belt of suction hood lateral wall bottom and lifting machine, can prevent that the dust from spreading to operational environment from the clearance through setting up a fender curtain in clearance department, and a fender curtain can also prevent that the grit material from splashing.

The present invention may be further configured in a preferred embodiment as: the bottom of the stop curtain is also provided with a stabilizing block.

Through adopting above-mentioned technical scheme, the stabilizing block has certain weight and can prevent that the shelves curtain from waving, makes the shelves curtain be in vertical state always to reach better ground dust-proof effect.

The present invention may be further configured in a preferred embodiment as: the dust hood is characterized in that a first water delivery pipe is further arranged above the dust hood, a plurality of first atomizing heads are mounted on the first water delivery pipe, and the first atomizing heads are obliquely arranged towards the direction of the feeding port.

Through adopting above-mentioned technical scheme, a small amount of dust can be followed pan feeding mouth department and spread to the outside air of suction hood, and first atomising head sprays water smoke to pan feeding mouth top, and the dust near little drop of water adsorbs the pan feeding mouth then makes it subside, reaches the effect of dust removal.

The present invention may be further configured in a preferred embodiment as: and a second water delivery pipe is further arranged on the outer side wall of one end, away from the feeding port, of the dust hood, a plurality of second atomizing heads are arranged on the second water delivery pipe, and nozzles of the second atomizing heads are arranged downwards.

Through adopting above-mentioned technical scheme, the effect of dust removal can be played to the water spray on the conveyer belt of lifting machine to the second atomising head, and grit material has certain humidity simultaneously, can prevent that grit material from producing the raise dust in the transportation.

The present invention may be further configured in a preferred embodiment as: the feeding device is characterized in that a telescopic curtain is further arranged at one end, close to the cover plate, of the feeding port, a sliding groove is further formed in the inner wall of the dust hood, a pull rod is arranged at one end, far away from the cover plate, of the telescopic curtain, and two ends of the pull rod are respectively connected in the sliding groove in a sliding mode.

Through adopting above-mentioned technical scheme, the pull rod slides in the spout for flexible curtain covers on the pan feeding mouth, with this opening size of controlling the pan feeding mouth, with the diffusion that reduces the dust.

The present invention may be further configured in a preferred embodiment as: threaded rods are arranged on the two outer side walls of the dust hood in the width direction of the elevator, and the threaded rods are parallel to the sliding grooves and are rotatably arranged on the outer side walls of the dust hood; belt pulleys are arranged at one ends of the threaded rods, and transmission belts are connected to the belt pulleys of the two threaded rods; a driving motor is further arranged outside the dust hood, a belt pulley is also arranged on a rotating shaft of the driving motor, and the belt pulley on the rotating shaft of the driving motor is connected with the belt pulley on one of the threaded rods through a transmission belt; threaded connection has the slider on the threaded rod, the both ends of pull rod respectively with two slider fixed connection.

Through adopting above-mentioned technical scheme, driving motor passes through driving belt and drives a threaded rod and rotate, carries out synchronous rotation through driving belt between two threaded rods for the slider drives the pull rod and slides along the spout, with the opening size of automatic control pan feeding mouth.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the arrangement of the dust hood, the cover plate, the dust suction pipe, the fan and the feeding port, the effect of sucking raised dust generated by falling sand materials onto the elevator to prevent dust pollution can be achieved;

2. through the arrangement of the blocking curtain and the stabilizing block, the effects of preventing dust from diffusing and preventing sand and stone from splashing can be achieved;

3. through the arrangement of the first water pipe, the first spray head, the second water pipe and the second spray head, the effect of adsorbing and settling diffused dust can be achieved;

4. through the setting of driving motor, threaded rod, spout and flexible curtain, can play the effect of adjustment pan feeding mouth opening size.

Drawings

FIG. 1 is a schematic view of the sand discharge elevator mounting structure;

FIG. 2 is a schematic view of the overall construction of the sand discharge elevator;

FIG. 3 is a schematic view of the overall structure of the suction hood;

fig. 4 is an enlarged schematic view of a portion a in fig. 3.

In the figure, 1, a dust hood; 2. a cover plate; 3. a dust collection pipe; 4. a fan; 5. a feeding port; 6. a curtain; 7. a first water delivery pipe; 71. a first spray head; 8. a second water delivery pipe; 81. a second spray head; 9. a retractable curtain; 10. a chute; 11. a threaded rod; 12. a drive motor; 13. a hoist; 14. a sandstone storage bin; 15. and (4) a mixing station.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a grit ejection of compact hoisting device, including lifting machine 13, the one end setting of lifting machine 13 is in the below of 14 discharge gates of grit storage silo, and the other end setting of lifting machine 13 is in the feed inlet department of mixing station 15. A dust hood 1 is further arranged below the discharge hole of the sandstone storage bin 14 on the hoister 13, and a feeding hole 5 for feeding sandstone to the hoister 13 is formed in the dust hood 1. A cover plate 2 is further fixed on one side of the feeding opening 5 on the dust hood 1, a dust suction pipe 3 is communicated with the cover plate 2, and the dust suction pipe 3 is communicated with an air inlet of the fan 4. The grit material can produce the raise dust when falling on lifting machine 13, and dust hood 1 will raise dust gathering is in order to prevent the raise dust diffusion, and fan 4 takes away the raise dust from dust hood 1 through dust absorption pipe 3, can reduce operational environment's dust pollution like this. The air outlet of the fan 4 is also communicated with a dust collecting device which can be a filter element or a dust removing cloth bag or the like. The dust collecting apparatus filters the wind drawn in by the fan 4 and then discharges the wind, so that air pollution can be reduced.

Referring to fig. 2 and 3, the dust hood 1 is further provided with a blocking curtain 6 on two side walls in the width direction of the elevator 13, the blocking curtain 6 is arranged at the bottom end of the side wall of the dust hood 1, and a stabilizing block is arranged at the bottom of the blocking curtain 6. The curtain 6 is arranged at the gap between the bottom end of the dust hood 1 and the conveyor belt of the elevator 13, so that dust can be prevented from diffusing into the outside air from the gap. The stabilizing blocks have a certain weight so that the curtain 6 is kept upright, which results in a better dust-blocking effect.

Referring to fig. 3 and 4, a telescopic curtain 9 is further installed at one end of the feeding port 5 close to the cover plate 2, and a pull rod is arranged at one end of the telescopic curtain 9 far away from the cover plate 2. The inner walls of the two sides of the dust hood 1 in the width direction of the elevator 13 are provided with sliding grooves 10, and the two ends of the pull rod are connected in the sliding grooves 10 in a sliding manner. Threaded rods 11 are arranged on two outer side walls of the dust hood 1 in the width direction of the elevator 13, and the threaded rods 11 are parallel to the sliding grooves 10. The outer side wall of the dust hood 1 is fixedly provided with an installation block, the threaded rod 11 is arranged in the installation block, a bearing is arranged in the installation block, and the threaded rod 11 is rotatably connected with the installation block through the bearing. One end of each threaded rod 11 is provided with a belt pulley, and the belt pulleys of the two threaded rods 11 are connected with a transmission belt. The outside of the dust hood 1 is also provided with a driving motor 12, a belt pulley is also arranged on a rotating shaft of the driving motor 12, and the belt pulley on the rotating shaft of the driving motor 12 is connected with the belt pulley on one of the threaded rods 11 through a transmission belt. Threaded connection has the slider on the threaded rod 11, and the both ends of pull rod respectively with two slider fixed connection. The driving motor 12 drives one threaded rod 11 to rotate through the transmission belt, and the two threaded rods 11 are synchronously rotated through the transmission belt, so that the sliding block drives the pull rod to slide along the sliding groove 10, the opening size of the feeding port 5 is automatically controlled, and the dust diffusion is reduced.

Referring to fig. 3, a first water pipe 7 is further installed above the dust hood 1, and a plurality of first spray heads 71 are installed on the first water pipe 7. The first atomizing head 71 is obliquely arranged towards the direction of the material inlet 5, the first atomizing head 71 sprays water mist to the upper part of the material inlet 5, and a small amount of dust diffused from the material inlet 5 is adsorbed and settled by the water mist, so that the dust removal effect is achieved. A second water delivery pipe 8 is further fixed on the side wall of one end, away from the feeding port 5, of the dust hood 1, a plurality of second atomizing heads 81 are mounted on the second water delivery pipe 8, and nozzles of the second atomizing heads 81 are arranged downwards. The second spraying head 81 sprays water mist on the conveyor belt and the aggregate, so that the aggregate can be prevented from generating dust during lifting.

The implementation principle of the embodiment is as follows: the sand and stone storage bin 14 discharges sand and stone from the discharge port, the sand and stone falls onto the elevator 13 below the dust hood 1 from the feed port 5 on the dust hood 1, the elevator 13 lifts the sand and stone to the feed port of the mixing station 15, and then the sand and stone is discharged into the mixing device. When the sand and gravel material falls onto the hoister 13, a large amount of dust can be raised, and the dust hood 1 can collect the dust to prevent the dust from diffusing into the air to pollute the working environment. The fan 4 draws the air containing dust in the dust hood 1 through the dust suction pipe 3, then sends the air into the dust collection device for filtering, and then discharges the air into the outside air, so that the dust pollution can be reduced. The first and second spray heads 71 and 81 spray water mist onto the feed inlet 5 and the conveyor belt of the elevator 13 to perform adsorption settling of dust.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a grit ejection of compact hoisting device, includes lifting machine (13), the one end setting of lifting machine (13) is in the below of grit storage silo (14) discharge gate, the other end setting of lifting machine (13) is in the feed inlet department of mixing station (15), its characterized in that: a dust hood (1) is further arranged below a discharge hole of the sandstone storage bin (14) on the hoisting machine (13), a cover plate (2) is arranged above the dust hood (1), and a dust suction pipe (3) is communicated with the cover plate (2); one end, far away from the cover plate (2), of the dust collection pipe (3) is communicated with an air inlet of the fan (4), and a feeding opening (5) is further formed in one side of the cover plate (2) on the dust collection cover (1).

2. A sand and stone discharging and lifting device according to claim 1, characterized in that: and an air outlet of the fan (4) is communicated with a dust collecting device.

3. A sand and gravel discharge lifting device as claimed in claim 2, wherein: the dust hood (1) is further provided with a blocking curtain (6) on two side walls in the width direction of the elevator (13), and the blocking curtain (6) is arranged at the bottom end of the side wall of the dust hood (1).

4. A sand and gravel pack lifting apparatus as claimed in claim 3, wherein: the bottom of the curtain (6) is also provided with a stabilizing block.

5. A grit ejection of compact hoisting device of claim 4, characterized in that: the feeding device is characterized in that a first water conveying pipe (7) is further arranged above the dust hood (1), a plurality of first atomizing heads (71) are mounted on the first water conveying pipe (7), and the first atomizing heads (71) are obliquely arranged towards the direction of the feeding opening (5).

6. A grit ejection of compact hoisting device of claim 5, characterized in that: the outer side wall of one end, far away from the feeding port (5), of the dust hood (1) is further provided with a second water conveying pipe (8), the second water conveying pipe (8) is provided with a plurality of second atomizing heads (81), and nozzles of the second atomizing heads (81) are arranged downwards.

7. A grit ejection of compact hoisting device of claim 6, characterized in that: the dust hood is characterized in that a telescopic curtain (9) is further arranged at one end, close to the cover plate (2), of the feeding port (5), a sliding groove (10) is further formed in the inner wall of the dust hood (1), a pull rod is arranged at one end, far away from the cover plate (2), of the telescopic curtain (9), and the two ends of the pull rod are respectively connected in the sliding groove (10) in a sliding mode.

8. A sand and stone ejection of compact hoisting device of claim 7, characterized in that: threaded rods (11) are arranged on the two outer side walls of the dust hood (1) in the width direction of the elevator (13), and the threaded rods (11) are parallel to the sliding grooves (10) and are rotatably arranged on the outer side walls of the dust hood (1); belt pulleys are arranged at one ends of the threaded rods (11), and the belt pulleys of the two threaded rods (11) are connected with a transmission belt; a driving motor (12) is further arranged outside the dust hood (1), a belt pulley is also arranged on a rotating shaft of the driving motor (12), and the belt pulley on the rotating shaft of the driving motor (12) is connected with the belt pulley on one of the threaded rods (11) through a transmission belt; threaded connection has the slider on threaded rod (11), the both ends of pull rod respectively with two slider fixed connection.