Dust collecting device for discharging pipe of crown block

Abstract

The utility model belongs to the technical field of crown block discharging pipes, and particularly relates to a crown block discharging pipe dust collecting device which comprises a crown block and a crown block stock bin, the crown block stock bin is fixedly installed on the upper surface of the crown block, a dust collecting mechanism and an anti-falling mechanism are arranged on the lower surface of the crown block, and a discharging mechanism is arranged at the bottom end of the crown block stock bin. According to the dust collection device for the discharging pipe of the crown block, by arranging the dust collection mechanism, when the discharging pipe discharges, a dust collection fan is started to apply suction force downwards through a dust collection pipe, dust generated during discharging is absorbed, and the dust is absorbed by the dust collection fan through a channel formed between an outer cover and an inner cover and a spiral flow guide plate; and the uniformity and the stability of the suction force of the dust collection fan at each position are ensured, and the problem that a large amount of dust is generated in the discharging process due to the fact that dust is discharged from top to bottom in the vertical height in the discharging process of the device in the background technology is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of overhead crane unloading pipe, specifically to a kind of overhead crane unloading pipe dust collection device. BACKGROUND

[0002] Suction unloading overhead crane is a kind of hoisting equipment, mainly used in carbon baking workshop, it is a more professional overhead crane hoisting equipment, and the quality requirement is higher, in the process of anode carbon block baking, carbon block is loaded into baking furnace, then multifunctional overhead crane is used to lay filler in gap and above, and then heating is carried out, with high degree of automation, no dust pollution in discharging.

[0003] At present, the suction unloading system of baking suction unloading overhead crane all has suction unloading device, which is installed on the stock bin, and the stock bin is installed on the trolley of overhead crane. During the use of suction unloading overhead crane, due to the high frequency of use, the suction pipe of suction unloading overhead crane is relatively simple to install, which may cause the pipe to fall under high-intensity work, thereby causing accidents.

[0004] As disclosed in Chinese patent CN219083768U, a kind of suction unloading overhead crane suction pipe anti-drop device relates to the technical field of overhead crane suction pipe anti-drop device, a kind of suction unloading overhead crane suction pipe anti-drop device, including first pipe, the lower end of first pipe is fixedly connected with first connecting piece, the lower surface of first connecting piece is detachably connected with second connecting piece, arc slot is formed in the inside of second connecting piece, arc slot is fixedly connected with annular connecting piece on the surface, annular connecting piece is slidably connected with blocking block in the inside, the surface of blocking block is slidably connected with ball head, the upper surface of ball head is provided with through hole, the lower surface of ball head is fixedly connected with second pipe, through hole is communicated with second pipe, the utility model is set through the setting of engagement groove, engagement block, bolt and nut, to improve the purpose of security, through the setting of ball head, to improve the purpose of practicality.

[0005] However, during the unloading process of the device, a large amount of dust will be generated during the unloading process from top to bottom at vertical height.

[0006] Therefore, we propose a kind of overhead crane unloading pipe dust collection device to solve the above problems. INVENTION CONTENTS

[0007] The utility model aims at providing a kind of overhead crane unloading pipe dust collection device to solve the problems raised in the above background.

[0008] To achieve the above object, the utility model provides the following technical scheme: a kind of overhead crane unloading pipe dust collection device, including overhead crane and overhead crane stock bin, the overhead crane stock bin is fixedly installed on the upper surface of overhead crane, the lower surface of overhead crane is provided with dust collection mechanism and anti-falling mechanism, the bottom of overhead crane stock bin is provided with unloading mechanism.

[0009] The dust collecting mechanism comprises an outer cover, a dust suction pipe, a fixed pipe, a spiral flow guide plate and a dust suction fan, the dust suction fan is fixedly installed on the upper surface of the crown block, the dust suction pipe is connected to the dust suction fan, one end of the dust suction pipe is connected to the fixed pipe, the other end of the fixed pipe is installed on the outer surface of the outer cover, and the spiral flow guide plate is installed on one end of the fixed pipe.

[0010] Preferably, the fixed pipe penetrates the surface of the outer cover, the spiral flow guide plate is distributed on the inner top surface of the outer cover, the uniformity and stability of suction force at various positions are ensured, the dust suction pipe penetrates the surface of the crown block and is a corrugated flexible pipe, the dust suction pipe has a certain ductility, and therefore the dust collecting efficiency is improved, and the filter screen is installed in the dust suction fan, so that dust is prevented from entering the dust suction fan and causing damage.

[0011] Preferably, the unloading mechanism comprises an unloading pipe, an inner cover, a limiting block and a buffer pad, the unloading pipe is fixedly installed at the bottom end of the material bin of the crown block, the other end of the unloading pipe is provided with the inner cover, the limiting block is fixedly installed on the outer surface of the unloading pipe, and the buffer pad is fixedly installed on the surface of the limiting block.

[0012] Preferably, the unloading pipe is a three-section telescopic pipe, the height of unloading is conveniently adjusted, the top end of the inner cover is connected to the inner top surface of the outer cover, so that a dust suction channel is formed between the inner cover and the outer cover, and the limiting block and the buffer pad are symmetrically distributed on the surface of the unloading pipe.

[0013] Preferably, the anti-falling mechanism comprises an upper fixing block, an upper lifting lug, an anti-falling device, a lower mounting block, a lower lifting lug and a steel wire rope, the upper fixing block is fixedly installed on the lower surface of the crown block, the upper lifting lug is installed on one end of the upper fixing block, the lower mounting block is fixedly installed on the top end of the outer cover, the lower lifting lug is installed on one end of the lower mounting block, the steel wire rope is connected to the surface of the upper lifting lug, the other end of the steel wire rope is connected to the surface of the lower lifting lug, the anti-falling device is arranged on the steel wire rope, and the distance between the anti-falling device and the upper lifting lug is 15-30 cm.

[0014] Preferably, the upper lifting lug and the lower lifting lug are located on the same plane and are arranged in parallel, and the size and shape of the upper lifting lug are completely same as those of the lower lifting lug, the anti-falling device is a speed difference device, the speed difference device rapidly brakes the suddenly falling unloading pipe, and the life safety of ground operators and the damage of the device are protected.

[0015] Preferably, the upper surface of the crown block is fixedly provided with a telescopic cylinder, the output end of the telescopic cylinder is connected with a telescopic rod, and the other end of the telescopic rod is installed on the top end of the outer cover, so that the height of unloading is adjusted through the telescopic rod, and the working efficiency is improved.

[0016] Compared with the prior art, the dust collecting mechanism has the advantages that:

[0017] 1. The crane unloading pipe dust collection device, by setting dust collection mechanism, when the unloading pipe is unloading, start the dust absorption fan to apply suction force downward through the dust absorption pipe, the dust generated during unloading is absorbed, the dust is absorbed by the dust absorption fan through the channel formed between the outer cover and the inner cover and the spiral flow guide plate, the uniformity and stability of the suction force of the dust absorption fan in each position are ensured, and the problem that a large amount of dust is generated during the unloading process of the device in the background art is solved.

[0018] 2. The crane unloading pipe dust collection device, by setting the anti-falling mechanism, when the unloading pipe normally runs downward, the steel wire rope in the anti-falling device is slowly pulled out, the mechanism in the anti-falling device is in a semi-tension state, and the telescopic movement of the unloading pipe is not affected, when the unloading pipe suddenly falls downward, the steel wire rope in the anti-falling device is pulled out at a significantly faster speed, the locking mechanism in the anti-falling device is immediately started, so that the falling distance of the unloading pipe does not exceed 20 cm, and the damage of the unloading pipe is effectively avoided, thereby improving the overall safety performance. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic view of the appearance structure of the utility model;

[0020] Figure 2 It is a schematic view of the side structure of the utility model;

[0021] Figure 3 It is a schematic view of the top view structure of the utility model;

[0022] Figure 4 It is a schematic view of the bottom view structure of the utility model.

[0023] In the drawing: 101, crane; 102, crane bin; 103, telescopic rod; 104, telescopic cylinder; 201, upper fixed block; 202, upper lifting lug; 203, anti-falling device; 204, lower mounting block; 205, lower lifting lug; 206, steel wire rope; 301, unloading pipe; 302, outer cover; 303, inner cover; 304, limiting block; 305, buffer pad; 401, dust absorption pipe; 402, fixed pipe; 403, spiral flow guide plate; 404, dust absorption fan. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Please refer to Figures 1-4The utility model provides a technical scheme:

[0026] Embodiment one: a crown head unloading pipe dust collecting device, including crown head 101 and crown head bunker 102, crown head bunker 102 fixed mounting is on the upper surface of crown head 101, and the lower surface of crown head 101 is provided with dust collecting mechanism and anti -fall mechanism, and the bottom of crown head bunker 102 is provided with unloading mechanism.

[0027] Dust collecting mechanism includes cover 302, dust absorption pipe 401, fixed pipe 402, spiral flow guide plate 403, dust absorption fan 404, dust absorption fan 404 fixed mounting is on the upper surface of crown head 101, and dust absorption pipe 401 is connected at dust absorption fan 404 connection, and dust absorption fan 404 is provided with filter screen inside, prevents dust from entering dust absorption fan 404 inside, causes damage, and dust absorption pipe 401 penetrates the surface of crown head 101 and is corrugated flexible pipe, so that dust absorption pipe 401 has certain ductility, thereby improves dust collecting efficiency, and dust absorption pipe 401 other end is connected to one end of fixed pipe 402, and the other end of fixed pipe 402 is installed on the outer surface of cover 302, and fixed pipe 402 penetrates the surface of cover 302, and spiral flow guide plate 403 is installed on one end of fixed pipe 402, and spiral flow guide plate 403 is distributed in the inner top surface of cover 302, guarantees the uniformity and stability of suction force at each position.

[0028] Embodiment two: based on embodiment one, unloading mechanism includes unloading pipe 301, inner cover 303, limiting block 304, buffer pad 305, unloading pipe 301 fixed mounting is on the bottom of crown head bunker 102, and unloading pipe 301 is three telescopic pipes, and it is convenient to adjust the height of unloading, and the other end of unloading pipe 301 is installed with inner cover 303, and the top of inner cover 303 is connected with the inner top surface of cover 302, so that dust absorption passage is formed between inner cover 303 and cover 302, limiting block 304 fixed mounting is on the outer surface of unloading pipe 301, and buffer pad 305 fixed mounting is on the surface of limiting block 304, and limiting block 304 and buffer pad 305 are symmetrically distributed on the surface of unloading pipe 301.

[0029] Example three: based on example one, the anti-falling mechanism includes an upper fixed block 201, an upper lifting lug 202, a fall arrestor 203, a lower mounting block 204, a lower lifting lug 205, a steel wire rope 206, the upper fixed block 201 is fixedly installed on the lower surface of the crown block 101, the upper lifting lug 202 is installed on one end of the upper fixed block 201, the lower mounting block 204 is fixedly installed on the top end of the outer cover 302, the lower lifting lug 205 is installed on one end of the lower mounting block 204, the upper lifting lug 202 is connected with the steel wire rope 206 on the surface, the other end of the steel wire rope 206 is connected to the surface of the lower lifting lug 205, the upper lifting lug 202 and the lower lifting lug 205 are located on the same plane, and are parallelly arranged, and are completely same in size and shape, the fall arrestor 203 is arranged on the steel wire rope 206, the distance between the fall arrestor 203 and the upper lifting lug 202 is 15-30 cm, the fall arrestor 203 is a speed difference device, and the suddenly falling discharge pipe 301 is quickly braked, the life safety of the ground operator is protected, and the damage of the device is prevented.

[0030] Example four: based on example one, the upper surface of the crown block 101 is fixedly installed with a telescopic cylinder 104, the output end of the telescopic cylinder 104 is connected with a telescopic rod 103, and the other end of the telescopic rod 103 is installed on the top end of the outer cover 302, the height of the discharge is adjusted through the telescopic rod 103, and the working efficiency is improved.

[0031] Working principle: when the discharge pipe 301 is discharging, the dust suction fan 404 is started to apply suction force downward through the dust suction pipe 401 to absorb the dust generated during discharging, the dust is absorbed by the dust suction fan 404 through the channel formed between the outer cover 302 and the inner cover 303 and the spiral flow guide plate 403, the uniformity and stability of the suction force of the dust suction fan 404 are ensured at each position; when the discharge pipe 301 normally runs and descends, the steel wire rope 206 in the fall arrestor 203 is slowly pulled out, the mechanism in the fall arrestor 203 is in a semi-tensioned state, and does not affect the telescopic movement of the discharge pipe 301, when the discharge pipe 301 suddenly falls and descends, the steel wire rope 206 in the fall arrestor 203 is obviously accelerated, the locking mechanism in the fall arrestor 203 is immediately started, so that the falling distance of the discharge pipe 301 does not exceed 20 cm, the damage of the discharge pipe 301 is effectively avoided, and the overall safety performance is improved.

[0032] It is to be noted that, as used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component" can include a combination of two or more components. Additionally, the terms "comprise," "comprises," and "comprising," or any variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements is not necessarily limited to those elements, but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, unless otherwise indicated herein, the terms "first," "second," "third," etc., are used herein merely as labels, and are not intended to impose ordinal import.

Claims

1. A dust collecting device for a crown pulldown pipe, comprising a crown (101) and a crown bin (102), wherein the crown bin (102) is fixedly installed on the upper surface of the crown (101), and characterized in that: The surface of the crown block (101) is provided with a dust collection mechanism and a falling prevention mechanism, and the bottom end of the crown block bin (102) is provided with a discharging mechanism. The dust collection mechanism comprises an outer cover (302), a dust suction pipe (401), a fixed pipe (402), a spiral flow guide plate (403) and a dust suction fan (404), the dust suction fan (404) is fixedly installed on the upper surface of the crown block (101), the dust suction pipe (401) is connected to the dust suction fan (404), one end of the dust suction pipe (401) is connected to the fixed pipe (402), the other end of the fixed pipe (402) is installed on the outer surface of the outer cover (302), and the spiral flow guide plate (403) is installed on one end of the fixed pipe (402).

2. The dust collecting device for the discharge pipe of the overhead traveling crane according to claim 1, characterized in that: The fixed pipe (402) penetrates the surface of the outer cover (302), the spiral flow guide plate (403) is distributed on the inner top surface of the outer cover (302), the dust suction pipe (401) penetrates the surface of the crown block (101) and is a corrugated flexible pipe, and a filter screen is installed in the dust suction fan (404).

3. The dust collecting device for the discharge pipe of the overhead traveling crane according to claim 1, characterized in that: The discharging mechanism comprises a discharging pipe (301), an inner cover (303), a limiting block (304) and a buffer pad (305), the discharging pipe (301) is fixedly installed at the bottom end of the crown block bin (102), the other end of the discharging pipe (301) is provided with the inner cover (303), the limiting block (304) is fixedly installed on the outer surface of the discharging pipe (301), and the buffer pad (305) is fixedly installed on the surface of the limiting block (304).

4. The dust collection device for the discharge pipe of the overhead traveling crane according to claim 3, characterized in that: The discharging pipe (301) is a three-section telescopic pipe, the top end of the inner cover (303) is connected with the inner top surface of the outer cover (302), and the limiting block (304) and the buffer pad (305) are symmetrically distributed on the surface of the discharging pipe (301).

5. The dust collection device for the discharge pipe of the overhead traveling crane according to claim 1, characterized in that: The falling prevention mechanism comprises an upper fixing block (201), an upper lifting lug (202), a falling preventer (203), a lower mounting block (204), a lower lifting lug (205) and a steel wire rope (206), the upper fixing block (201) is fixedly installed on the lower surface of the crown block (101), the upper lifting lug (202) is installed at one end of the upper fixing block (201), the lower mounting block (204) is fixedly installed at the top end of the outer cover (302), the lower lifting lug (205) is installed at one end of the lower mounting block (204), the upper lifting lug (202) is connected with the steel wire rope (206), the other end of the steel wire rope (206) is connected with the surface of the lower lifting lug (205), the falling preventer (203) is arranged on the steel wire rope (206), and the distance between the falling preventer (203) and the upper lifting lug (202) is 15-30 cm.

6. The dust collection device for the discharge pipe of the overhead travelling crane according to claim 5, characterized in that: The upper lifting lug (202) and the lower lifting lug (205) are located on the same plane and are arranged in parallel, and the size and shape of the upper lifting lug (202) and the lower lifting lug (205) are completely same, and the falling preventer (203) is a speed difference device.

7. The dust collection device for the crown of the head of the discharge pipe of the head sheave according to claim 1, characterized in that: The upper surface of the crown block (101) is fixedly provided with a telescopic air cylinder (104), the output end of the telescopic air cylinder (104) is connected with a telescopic rod (103), and the other end of the telescopic rod (103) is installed at the top end of the outer cover (302).

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