CN210709780U

CN210709780U - Belt weigher unloading swift current son that raise dust is little

Info

Publication number: CN210709780U
Application number: CN201921678688.3U
Authority: CN
Inventors: 廖作祥
Original assignee: Hubei Jinglan Cement Co ltd
Current assignee: Hubei Jinglan Cement Co ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-06-09
Anticipated expiration: 2029-10-09

Abstract

The utility model discloses a belt weigher blanking scraper-trough conveyer with small dust, which comprises a first hopper, wherein the bottom end of the first hopper is welded with a second hopper, the bottom end of the second hopper is welded with an upper scraper-trough conveyer, the bottom end of the upper scraper-trough conveyer is welded with a buffering scraper-trough conveyer, the bottom end of the buffering scraper-trough conveyer is welded with a lower scraper-trough conveyer, the bottom end of one side surface of the lower scraper-trough conveyer is provided with a discharge port, the bottom of one side surface of the lower scraper-trough conveyer is fixedly connected with a fixed strip corresponding to the top position of the discharge port, the bottom of the fixed strip is fixedly connected with a rubber strip, the bottom of the lower scraper-trough conveyer is fixedly connected with a mounting strip corresponding to two adjacent sides of the side surface where the discharge port is arranged and the bottom of the opposite side surface, the bottom of the mounting strip is fixedly connected with a dustproof cloth, the utility model is provided with the, reducing the amount of dust diffusing into the air.

Description

Belt weigher unloading swift current son that raise dust is little

Technical Field

The utility model relates to a material transport technical field specifically is a belt weigher unloading scraper-trough conveyer that raise dust is little.

Background

The weighing bridge of the belt weigher is arranged on the conveying frame, when materials pass through, the weight of the materials on the belt conveyor detected by the measuring carrier roller acts on the weighing sensor through a lever to generate a voltage signal proportional to the belt load, the weighing sensor on the belt weigher is arranged on the weighing bridge, when the belt weigher works, the detected weight of the materials on the belt is sent into the weighing instrument, meanwhile, a speed signal of the belt conveyor of the speed measuring sensor is also sent into the weighing instrument, the instrument performs integral processing on the speed signal and the weighing signal to obtain instantaneous flow and accumulated amount, the speed sensor is directly connected on the large-diameter speed measuring roller to provide a series of pulses, each pulse represents a belt movement unit, the frequency of the pulse is proportional to the belt speed, the weighing instrument receives signals from the weighing sensor and the speed sensor, and obtains an instantaneous flow value and an accumulated weight value through integral operation, the belt weighers are widely applied in the cement production process, and the blanking chute is an important connecting piece for conveying powdery materials to the belt weighers;

but the unloading chute on the existing market simple structure only comprises a vertical elephant trunk, and the height drop is big, because the powder material that transports usually lacks dustproof mechanism again, can raise a large amount of dusts at the in-process of transporting the material, causes environmental pollution.

SUMMERY OF THE UTILITY MODEL

The utility model provides a belt weigher unloading scraper-trough conveyer that raise dust is little can effectively solve the unloading scraper-trough conveyer simple structure that proposes in the above-mentioned background art, only comprises a vertical elephant trunk, and high drop is big, again because what transported is powdered material usually, lacks dustproof mechanism, can raise a large amount of dusts at the in-process of transporting the material, causes environmental pollution's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a belt weigher discharging scraper-trough conveyer with small dust emission comprises a first hopper, wherein a second hopper is welded at the bottom end of the first hopper, an upper scraper-trough conveyer is welded at the bottom end of the second hopper, a buffering scraper-trough conveyer is welded at the bottom end of the upper scraper-trough conveyer, a lower scraper-trough conveyer is welded at the bottom end of the buffering scraper-trough conveyer, a discharge hole is formed in the bottom end of one side of the lower scraper-trough conveyer, a fixing strip is fixedly connected to the bottom end of the fixing strip corresponding to the top end of the discharge hole, rubber strips are fixedly connected to the bottom end of the fixing strip, mounting strips are fixedly connected to two adjacent sides of the lower scraper-trough conveyer corresponding to the side where the discharge hole is located and the bottom end of the opposite side, dustproof cloth is fixedly connected to the middle position of the top end of the mounting strip, a regulating block is fixedly connected to, a locking bolt is arranged at one end of the adjusting block;

the buffering elephant trunk surface top fixedly connected with rings, the welding of buffering elephant trunk surface bottom bend has the strengthening rib, the inside side welding of lower elephant trunk has the buffer board.

Preferably, the through hole formed in the bottom end of the first hopper is smaller than the through hole formed in the bottom end of the second hopper.

Preferably, the shape of the buffer chute is formed by combining two tangent quarter circular arcs.

Preferably, the dustproof cloth is connected with the mounting strip and the adjusting frame through viscose glue.

Preferably, the adjusting frame is of a U-shaped structure and is installed at the bottom end of the lower chute.

Preferably, the fixing strip and the rubber strip are connected through a bolt

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:

1. the dust collecting device is provided with the first hopper and the second hopper, the square hole formed in the bottom end of the first hopper is smaller than the square hole formed in the bottom end of the second hopper, most of dust which is raised in the elephant trunk by the added powdery material can be sealed in the elephant trunk, and the dust quantity in the air diffused from the upper elephant trunk is reduced by natural precipitation.

2. The rubber strip, the adjusting frame and the dustproof cloth are arranged, the rubber strip performs certain sealing on the discharge hole, so that dust raised on the belt weigher when a material falls is not easy to diffuse out of the discharge hole, the dustproof cloth can control the distance between the adjusting frame and the belt weigher, certain sealing is performed on the bottom end of the lower sliding pipe and the interval between the belt weigher, and the dust amount in the air diffused from the lower sliding pipe is reduced.

3. The buffering chute and the buffering plate are arranged, the arc buffering chute can slow down the falling speed of materials falling from the upper chute, the buffering plate decelerates the falling materials in the lower chute once again, the impact generated when the materials fall onto the belt weigher is small due to the twice deceleration of the buffering chute and the buffering plate, and the damage of falling impact of the materials to the belt weigher is reduced.

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 invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic structural view of the lower chute of the present invention;

reference numbers in the figures: 1. a first hopper; 2. a second hopper; 3. an upper chute; 4. buffering the chute; 5. a chute is arranged; 6. a buffer plate; 7. a discharge port; 8. a fixing strip; 9. a rubber strip; 10. mounting a bar; 11. a dust cloth; 12. an adjusting block; 13. adjusting a rod; 14. an adjusting bracket; 15. a locking bolt; 16. reinforcing ribs; 17. a hoisting ring; 18. and (7) installing holes.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in figures 1-3, the utility model provides a technical scheme, a belt weigher blanking scraper-trough conveyer with small dust emission comprises a first hopper 1, a second hopper 2 is welded at the bottom end of the first hopper 1, a through hole arranged at the bottom end of the first hopper 1 is smaller than a through hole arranged at the bottom end of the second hopper 2, most of dust raised in an upper scraper-trough conveyer 3 by added powdery materials is sealed in the upper scraper-trough conveyer 3 and naturally deposits, the dust quantity diffused to the air from the upper scraper-trough conveyer 3 is reduced, an upper scraper-trough conveyer 3 is welded at the bottom end of the second hopper 2, a buffering scraper-trough conveyer 4 is welded at the bottom end of the upper scraper-trough conveyer 3, the shape of the buffering scraper-trough conveyer 4 is formed by combining two tangent quarter arcs, the arc-shaped buffering scraper-trough conveyer 4 can slow down the falling speed of the materials falling from the upper scraper-trough conveyer 3, and avoid the excessive impact caused by the speed increase of the materials under the, the bottom end of the buffer chute 4 is welded with a lower chute 5, the bottom end of one side surface of the lower chute 5 is provided with a discharge port 7, the bottom of one side surface of the lower chute 5 is fixedly connected with a fixed strip 8 corresponding to the top end of the discharge port 7, the bottom end of the fixed strip 8 is fixedly connected with a rubber strip 9, the fixed strip 8 and the rubber strip 9 are connected through a bolt, the rubber strip 9 seals the discharge port 7 to a certain degree, and dust which is lifted up when the material falls onto the belt weigher is not easy to diffuse out of the discharge port 7;

the two adjacent side surfaces of the lower chute 5 corresponding to the side surface where the discharge port 7 is located and the bottom end of the opposite side surface are both fixedly connected with a mounting strip 10, the bottom end of the mounting strip 10 is fixedly connected with dustproof cloth 11, the middle position of the top end of the mounting strip 10 is fixedly connected with an adjusting block 12, the middle part of the top end of the adjusting block 12 is provided with a mounting hole 18, the mounting hole 18 is internally and slidably connected with an adjusting rod 13, one end of the adjusting rod 13 is fixedly connected with an adjusting frame 14, the adjusting frame 14 is in a U-shaped structure, the adjusting frame 14 is mounted at the bottom end of the lower chute 5, the dustproof cloth 11 is connected with the mounting strip 10 and the adjusting frame 14 through viscose glue, one end of the adjusting block 12 is provided with a locking bolt 15, the dustproof cloth 11 can be controlled by the adjusting frame 14 to be spaced from the belt scale, certain sealing is carried out on the space between the bottom end of the lower, to meet different situation requirements;

buffering 4 outer surface tops of elephant trunk fixedly connected with rings 17, rings 17 can use the cable wire to link to each other with the mounting bracket, improve the structural strength of unloading elephant trunk, the welding of 4 outer surface bottom bends of buffering elephant trunk has strengthening rib 16, buffering elephant trunk 4 need bear great impact for a long time, promote the structural strength of buffering elephant trunk 4 through strengthening rib 16, reduce the probability of impact damage, the inside side welding of lower elephant trunk 5 has buffer plate 6, carry out speed reduction once more to the material of whereabouts in the lower elephant trunk 5, the impact energy on the belt weigher has been reduced in the material whereabouts.

The utility model discloses a theory of operation and use flow: the blanking scraper-trough conveyer is well installed, a steel rope penetrates through a hanging ring 17 to be connected with an installation frame, the structural strength of the blanking scraper-trough conveyer is improved, a locking bolt 15 is loosened, an adjusting rod 13 is connected with an adjusting frame 14 in a welding mode, the adjusting frame 14 is connected with a dustproof cloth 11 in a gluing mode, the adjusting rod 13 is pushed to drive the dustproof cloth 11 to descend, when the bottom end of the dustproof cloth 11 is in light contact with a belt scale, the adjusting rod 13 is stopped being pushed, the locking bolt 15 is screwed, and adjustment of the blanking scraper-trough conveyer is completed;

the material falls from the top end of the first hopper 1, enters the second hopper 2 through the through hole at the bottom end of the first hopper 1, dust can be lifted due to the falling of the material, a relatively sealed cavity is formed between the first hopper 1 and the second hopper 2 due to the small size of the through hole at the bottom end of the first hopper 1 and the passing of the material, the dust can naturally precipitate in the sealed cavity, the amount of the dust diffused from the feed inlet is reduced, the material passes through the through hole at the bottom end of the second hopper 2 and enters the upper chute 3, the material freely falls in the upper chute 3, the speed is gradually increased under the action of gravitational acceleration, the material impacts the inclined pipe wall of the buffer chute 4 after entering the buffer chute 4, the falling speed of the material is reduced, the decelerated material continuously falls and enters the lower chute 5, the material impacts the buffer plate 6, the material slides on the slope along the buffer plate 6 and slides on the slope to lift the scale, because the discharge hole 7 of the lower chute 5 is provided with the rubber strip 9, and the clearance between the lower chute 5 and the belt weigher is provided with the dustproof cloth 11, dust is prevented from entering the air to the maximum extent, materials falling on the belt weigher are conveyed out from the discharge hole 7 by the belt weigher, and the conveying process of the discharging chute is finished.

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 in the foregoing embodiments, 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 little belt weigher unloading scraper-trough conveyer of raise dust, includes first hopper (1), its characterized in that: the bottom of the first hopper (1) is welded with a second hopper (2), the bottom of the second hopper (2) is welded with an upper chute (3), the bottom of the upper chute (3) is welded with a buffering chute (4), the bottom of the buffering chute (4) is welded with a lower chute (5), a discharge hole (7) is formed in the bottom of one side of the lower chute (5), a fixing strip (8) is fixedly connected to the position of one side bottom of the lower chute (5) corresponding to the top end of the discharge hole (7), a rubber strip (9) is fixedly connected to the bottom of the fixing strip (8), mounting strips (10) are fixedly connected to two adjacent sides and opposite sides of the lower chute (5) corresponding to the side where the discharge hole (7) is located, dust cloth (11) is fixedly connected to the bottom of the mounting strips (10), and a regulating block (12) is fixedly connected to the middle position of the top of the mounting strips (10), a mounting hole (18) is formed in the middle of the top end of the adjusting block (12), an adjusting rod (13) is connected in the mounting hole (18) in a sliding mode, an adjusting frame (14) is fixedly connected to one end of the adjusting rod (13), and a locking bolt (15) is arranged at one end of the adjusting block (12);

buffering elephant trunk (4) surface top fixedly connected with rings (17), buffering elephant trunk (4) surface bottom bend department welding has strengthening rib (16), down elephant trunk (5) inside side welding has buffer board (6).

2. The belt scale discharging scraper-trough conveyer with small dust emission according to claim 1, wherein the through hole formed at the bottom end of the first hopper (1) is smaller than the through hole formed at the bottom end of the second hopper (2).

3. The belt scale blanking chute with small dust emission as claimed in claim 1, wherein the shape of the buffer chute (4) is formed by combining two tangent quarter circular arcs.

4. The belt scale blanking scraper-trough conveyer with small dust emission according to claim 1, wherein the dustproof cloth (11) is connected with the mounting bar (10) and the adjusting bracket (14) through viscose glue.

5. The belt scale blanking scraper-trough conveyer with small dust emission according to claim 1, characterized in that the adjusting bracket (14) is of a U-shaped structure, and the adjusting bracket (14) is arranged at the bottom end of the lower scraper-trough conveyer (5).

6. The belt scale blanking scraper-trough conveyer with small dust emission according to claim 1, characterized in that the fixing strip (8) and the rubber strip (9) are connected by bolts.