Dust collection and purification device of material suction crown block

Abstract

The utility model relates to the technical field of cranes, in particular to a dust collection and purification device of a material suction crown block, which comprises a main beam, a cart traveling mechanism, a crane carriage, a stock bin, a first fan, a material suction pipe and a discharge pipe, a purification box is mounted on the top surface of the crane carriage and communicated with a dust collection pipe, a second fan is mounted on the dust collection pipe, and the second fan is communicated with the dust collection pipe. The dust collecting pipe is communicated with a dust collecting mechanism; the purification box is communicated with an exhaust mechanism, a filter screen is arranged in the purification box, a vibration mechanism is arranged between the purification box and the filter screen, a lead screw is arranged on one side of the filter screen, a sliding block is in threaded connection with the lead screw, an air spraying pipe is fixedly connected to one side of the sliding block, a plurality of spraying heads are installed on one side of the air spraying pipe, and the air spraying pipe is communicated with a telescopic hose. According to the utility model, a vibration and air blowing composite ash removal mode is adopted, and the automatic ash removal operation of the filter screen is realized through the synergistic effect of the vibration mechanism and the movable air spraying pipe, so that the dust removal efficiency of the filter screen can be ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of cranes, in particular to a dust collecting and purifying device for a suction crane. Background Art

[0002] The suction and unloading overhead crane is a special equipment for the roasting workshop of the graphite industry. The graphite filler is filled into the furnace pit by the discharge pipe, and the high-temperature graphite filler is sucked out of the furnace pit by the suction pipe. A large amount of dust will float in the air of the roasting workshop. Generally, a filtering dust removal device is used to absorb the dust floating in the air. However, the filter screen of the existing filtering dust removal device is easily blocked during use, and workers are required to remove the filter screen for cleaning. Therefore, there are still shortcomings and deficiencies in the prior art. Utility Model Content

[0003] The utility model provides a dust collecting and purifying device for a suction overhead crane to solve the problems raised in the background technology.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a dust collection and purification device for a suction overhead crane, comprising a main beam, a trolley walking mechanism, a lifting trolley, a silo, a first fan, a suction pipe and a discharge pipe, a purification box is installed on the top surface of the lifting trolley, the purification box is connected to a dust collecting pipe, a second fan is installed on the dust collecting pipe, one end of the dust collecting pipe away from the purification box is connected to a dust collecting mechanism; one end of the purification box away from the dust collecting pipe is connected to an exhaust mechanism, a vertically arranged filter screen is provided in the purification box, and a vibration mechanism for driving the filter screen to vibrate is provided between the purification box and the filter screen A lead screw parallel to the filter is provided on the side of the filter near the exhaust mechanism, one end of the lead screw extends outside the purification box and is transmission-connected to a stepping motor, a slider is threadedly connected to the lead screw, guide rods parallel to the lead screw are provided on both sides of the lead screw, the guide rods are fixedly connected to the purification box, the guide rods penetrate the slider and are slidably connected to the slider, an air jet pipe parallel to the filter is fixedly connected to the side of the slider near the filter, and a plurality of nozzles are installed on the side of the air jet pipe near the filter; a dust exhaust pipe is connected between one end of the purification box near the dust collecting pipe and the silo, and a first electric air valve is installed on the dust exhaust pipe.

[0005] Preferably, the vibration mechanism includes a mounting plate located at the four corners of one side of the filter, the mounting plate is fixedly connected to the purification box, a spring is fixedly connected to the side of the mounting plate close to the filter, a mounting frame is fixedly connected between the four springs, the filter is fixedly connected in the mounting frame, a dustproof brush is fixedly connected to the outer ring of the mounting frame, and a knocking mechanism is provided on one side of the mounting frame.

[0006] Preferably, the knocking mechanism includes a rotating shaft parallel to the lead screw, one end of the rotating shaft extends outside the purification box and is transmission-connected to the lead screw through a transmission assembly, and a cam is key-connected on the rotating shaft.

[0007] Preferably, the dust collecting mechanism comprises a dust collecting box fixedly mounted on the discharge pipe, the top surface of the dust collecting box is connected to the dust collecting pipe, the side wall of the dust collecting box is connected to a plurality of circumferentially evenly distributed dust collecting branch pipes, and the dust collecting pipe is connected to a plurality of dust collecting hoods.

[0008] Preferably, the exhaust mechanism comprises an exhaust pipe, one end of which is connected to the purification box, and a second electric air valve is installed on the exhaust pipe.

[0009] The beneficial effects of the utility model are as follows: (1) the utility model adopts a vibration + air blowing composite cleaning method, and realizes automatic cleaning of the filter screen through the synergistic effect of the vibration mechanism and the movable air jet pipe, thereby ensuring the dust removal efficiency of the filter screen; (2) by arranging a dust exhaust pipe to circulate the collected dust back to the silo, it is possible to realize dust recycling and reduce raw material waste; (3) by arranging a dust collecting branch pipe and a dust collecting hood, the dust collecting range can be expanded and the dust collecting efficiency can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the structure of the utility model;

[0011] Figure 2 This is a schematic diagram of the structure inside the purification box of the utility model;

[0012] Figure 3 This is a schematic diagram of the structure of the purification box of the utility model in a top view;

[0013] Figure 4 It is a structural schematic diagram of the dust collecting mechanism of the utility model.

[0014] Figure numerals: 1, main beam, 2, trolley travel mechanism, 3, lifting trolley, 4, silo, 5, first fan, 6, suction pipe, 7, discharge pipe, 8, purification box, 9, dust collection pipe, 10, second fan, 11, dust collection mechanism, 111, dust collection box, 112, dust collection branch pipe, 113, dust collection hood, 12, exhaust mechanism, 121, exhaust pipe, 122, second electric air valve, 13, filter screen, 14 , vibration mechanism, 141, mounting plate, 142, spring, 143, mounting frame, 144, dustproof brush, 145, knocking mechanism, 1451, rotating shaft, 1452, transmission assembly, 1453, cam, 15, screw, 16, stepping motor, 17, guide rod, 18, slider, 19, jet pipe, 20, nozzle, 21, telescopic hose, 22, dust exhaust pipe, 23, first electric air valve. DETAILED DESCRIPTION

[0015] The utility model is further described below in conjunction with the accompanying drawings.

[0016] like Figure 1-4As shown, the utility model provides a dust collection and purification device for a suction overhead crane, comprising a main beam 1, a trolley walking mechanism 2, a lifting trolley 3, a silo 4, a first fan 5, a suction pipe 6 and a discharge pipe 7. A purification box 8 is installed on the top surface of the lifting trolley 3, the purification box 8 is connected with a dust collecting pipe 9, and a second fan 10 is installed on the dust collecting pipe 9. The end of the dust collecting pipe 9 away from the purification box 8 is connected with a dust collecting mechanism 11; the end of the purification box 8 away from the dust collecting pipe 9 is connected with an exhaust mechanism 12, a vertically arranged filter screen 13 is arranged in the purification box 8, a vibration mechanism 14 for driving the filter screen 13 to vibrate is arranged between the purification box 8 and the filter screen 13, a lead screw 15 parallel to the filter screen 13 is arranged on the side of the filter screen 13 close to the exhaust mechanism 12, one end of the lead screw 15 extends to the outside of the purification box 8 and is transmission-connected with A stepper motor 16, a slider 18 is threadedly connected to the lead screw 15, guide rods 17 parallel to the lead screw 15 are provided on both sides of the lead screw 15, the guide rods 17 are fixedly connected to the purification box 8, the guide rods 17 penetrate the slider 18 and are slidably connected to the slider 18, a jet pipe 19 parallel to the filter 13 is fixedly connected to the side of the slider 18 close to the filter 13, a plurality of nozzles 20 are installed on the side of the jet pipe 19 close to the filter 13, the jet pipe 19 is connected to a telescopic hose 21, and one end of the telescopic hose 21 away from the jet pipe 19 extends to the outside of the purification box 8, and the telescopic hose 21 is externally connected to a compressed air supply device; a dust exhaust pipe 22 is connected between the end of the purification box 8 close to the dust collecting pipe 9 and the silo 4, the dust exhaust pipe 22 is located at the bottom of the purification box 8, and a first electric air valve 23 is installed on the dust exhaust pipe 22.

[0017] Specifically, during dust removal, the second fan 10 is started, so that a dust collecting airflow is formed at the end of the dust collecting mechanism 11, and the dust enters the purification box 8 through the dust collecting mechanism 11 and the dust collecting pipe 9 in turn, and the dust is intercepted by the filter 13, and the purified air is discharged through the exhaust mechanism 12, so that the dust can be collected; when the filter 13 is blocked, the exhaust mechanism 12 is closed, and the stepper motor 16 is started. The stepper motor 16 drives the lead screw 15 to rotate, and the lead screw 15 drives the jet pipe 19 to reciprocate through the slider 18, and then compressed air is introduced into the telescopic hose 21, and the compressed air is ejected from the nozzle 20 after passing through the jet pipe 19, so that the filter 13 can be automatically cleaned, and at the same time, the vibration mechanism 14 is started, and the vibration mechanism 14 drives the filter 13 to vibrate, so as to improve the cleaning effect. At this time, the first electric air valve 23 is opened, and the dust enters the silo 4 through the dust exhaust pipe 22 driven by compressed air, so that dust recycling can be realized and raw material waste can be reduced.

[0018] In some embodiments, the vibration mechanism 14 includes a mounting plate 141 located at four corners of one side of the filter 13, the mounting plate 141 is fixedly connected to the purification box 8, a spring 142 is fixedly connected to one side of the mounting plate 141 close to the filter 13, a mounting frame 143 is fixedly connected between the four springs 142, the filter 13 is fixedly connected in the mounting frame 143, a dustproof strip brush 144 is fixedly connected to the outer ring of the mounting frame 143, and a knocking mechanism 145 is provided on one side of the mounting frame 143. Specifically, when in use, the knocking mechanism 145 knocks the mounting frame 143, causing the mounting frame 143 to vibrate, thereby causing the mounting frame 143 to drive the filter 13 to vibrate.

[0019] In some embodiments, the knocking mechanism 145 includes a rotating shaft 1451 parallel to the lead screw 15, one end of the rotating shaft 1451 extends outside the purification box 8 and is connected to the lead screw 15 through a transmission assembly 1452, the transmission assembly 1452 can be a gear transmission mechanism, a sprocket transmission mechanism, etc., a cam 1453 is keyed on the rotating shaft 1451, and the height of the raised portion of the cam 1453 is greater than the distance from the axis of the rotating shaft 1451 to the installation frame 143. Specifically, the lead screw 15 drives the rotating shaft 1451 to rotate through the transmission assembly 1452, and the rotating shaft 1451 drives the cam 1453 to rotate, so that the raised portion of the cam 1453 can knock the installation frame 143.

[0020] In some embodiments, the dust collecting mechanism 11 includes a dust collecting box 111 fixedly mounted on the discharge pipe 7, the top surface of the dust collecting box 111 is connected to the dust collecting pipe 9, the side wall of the dust collecting box 111 is connected to a plurality of dust collecting branch pipes 112 evenly distributed around the circumference, and the dust collecting pipe 9 is connected to a plurality of dust collecting covers 113. Specifically, when in use, the second fan 10 is started to form a dust collecting airflow at the dust collecting cover 113, and the dust enters the purification box 8 through the dust collecting cover 113, the dust collecting branch pipe 112, the dust collecting box 111 and the dust collecting pipe 9 in sequence, so that the dust can be collected. By setting the dust collecting branch pipe 112 and the dust collecting cover 113, the dust collecting range can be expanded and the dust collecting efficiency can be improved.

[0021] In some embodiments, the exhaust mechanism 12 includes an exhaust pipe 121, one end of which is connected to the purification box 8, and a second electric air valve 122 is installed on the exhaust pipe 121. Specifically, when in use, the purified air can be discharged through the exhaust pipe 121, and when cleaning the filter 13, the exhaust pipe 121 can be closed by the second electric air valve 122.

[0022] The above embodiments can be combined with each other.

[0023] The above embodiments do not impose any formal restrictions on the shape, material, structure, etc. of the utility model. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the utility model are within the protection scope of the technical solution of the utility model.

Claims

1. A dust collection and purification device for a suction crane, comprising a main beam, a trolley travel mechanism, a lifting trolley, a silo, a first fan, a suction pipe and a discharge pipe, characterized in that: A purification box is installed on the top surface of the lifting trolley, the purification box is connected to a dust collecting pipe, a second fan is installed on the dust collecting pipe, and one end of the dust collecting pipe away from the purification box is connected to a dust collecting mechanism; An exhaust mechanism is connected to the end of the purification box away from the dust collecting pipe, a vertically arranged filter screen is arranged in the purification box, a vibration mechanism for driving the filter screen to vibrate is arranged between the purification box and the filter screen, a lead screw parallel to the filter screen is arranged on the side of the filter screen close to the exhaust mechanism, one end of the lead screw extends to the outside of the purification box and is transmission-connected to a stepping motor, a slider is threadedly connected to the lead screw, guide rods parallel to the lead screw are arranged on both sides of the lead screw, the guide rods are fixedly connected to the purification box, the guide rods penetrate the slider and are slidably connected to the slider, an air jet pipe parallel to the filter screen is fixedly connected to the side of the slider close to the filter screen, a plurality of nozzles are installed on the side of the air jet pipe close to the filter screen, the air jet pipe is connected to a telescopic hose, and an end of the telescopic hose away from the air jet pipe extends to the outside of the purification box; A dust exhaust pipe is connected between one end of the purification box close to the dust collecting pipe and the material bin, and a first electric air valve is installed on the dust exhaust pipe.

2. The dust collection and purification device for a suction overhead crane according to claim 1 is characterized in that: The vibration mechanism includes a mounting plate located at four corners on one side of the filter, the mounting plate is fixedly connected to the purification box, a spring is fixedly connected to one side of the mounting plate close to the filter, a mounting frame is fixedly connected between the four springs, the filter is fixedly connected in the mounting frame, a dustproof brush is fixedly connected to the outer ring of the mounting frame, and a knocking mechanism is provided on one side of the mounting frame.

3. The dust collection and purification device for a suction overhead crane according to claim 2 is characterized in that: The knocking mechanism comprises a rotating shaft parallel to the lead screw, one end of the rotating shaft extends outside the purification box and is connected to the lead screw through the transmission assembly, and a cam is keyed on the rotating shaft.

4. The dust collection and purification device for a suction overhead crane according to claim 1 is characterized in that: The dust collecting mechanism comprises a dust collecting box fixedly sleeved on the discharge pipe, the top surface of the dust collecting box is connected to the dust collecting pipe, the side wall of the dust collecting box is connected to a plurality of circumferentially evenly distributed dust collecting branch pipes, and the dust collecting pipe is connected to a plurality of dust collecting covers.

5. The dust collection and purification device for a suction overhead crane according to claim 1 is characterized in that: The exhaust mechanism comprises an exhaust pipe, one end of which is connected to the purification box, and a second electric air valve is installed on the exhaust pipe.

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