High-negative-pressure dust collection device for coal conveying belt vestibule

Abstract

The invention discloses a high-negative-pressure dust suction device for a coal conveying belt vestibule, and relates to the technical field of ash removal devices.The high-negative-pressure dust suction device comprises a bottom plate, a vacuum pump and an extraction rod, one side of the top of the bottom plate is fixedly connected with an extraction box, the other side of the top of the bottom plate is fixedly connected with a collecting box, and the inlet end of the vacuum pump is connected with a connecting pipe; a top cover is fixedly mounted at the top of the collecting box, a collecting mechanism is arranged in the collecting box, and an extraction mechanism is arranged on the outer side of the extraction box; an inner pipe is transversely and fixedly mounted in the extraction box, and a collection barrel is slidably connected to the inner bottom surface of the collection box; the collecting mechanism comprises a motor and a rotating shaft, a left filter plate and a right filter plate are mounted in the collecting box, and the problems that the material passing screen plate is not cleaned in time, so that the material passing screen plate is possibly blocked and blocked in the subsequent dust and collecting process, the dust collecting efficiency is reduced, and the dust collecting efficiency is reduced are solved. And dust on the wall of the vestibule is inconvenient to collect and treat.

Description

Technical Field

[0001] The invention relates to the technical field of dust cleaning devices, and in particular to a high negative pressure dust suction device for a coal conveyor belt corridor. Background Art

[0002] Since the coking plants across the country were put into operation, there has been a large amount of coke, coal powder, coke, coal blocks and other materials scattered and accumulated in the coke and coal line areas, coal belt corridors and near the coke platform at the bottom of the belt.

[0003] For example, an automatic dust cleaning device for a belt coal conveyor corridor for an open-pit coal mine with announcement number CN117416773A includes a corridor floor and a corridor wall, a rubber belt conveyor is provided on the corridor floor, a sealing cover is provided on the rubber belt conveyor, a first hole is provided on the top of the sealing cover, two groups of square grooves are symmetrically provided on the corridor floor, conveyor belts are provided in the square grooves, a first support plate is provided on one side of the conveyor belt, a second support plate is provided on the other side of the conveyor belt, slide grooves are provided on the first support plate and the second support plate, and through holes and feed doors are provided on the second support plate. A cleaning and collecting assembly is provided between the first support plate and the second support plate, and a feeding assembly is provided on one side of the rubber belt conveyor, which can make the collection efficiency of the scattered material higher and can automatically re-convey the scattered material, thereby reducing labor and improving work efficiency. However, the device does not clean the feeding mesh plate in time, which may cause the feeding mesh plate to be blocked in the subsequent dust and collection process, thereby reducing the dust collection efficiency and having certain defects. At the same time, since there will be dust accumulation on the wall of the coal conveying corridor, the device is not convenient for collecting and processing the dust on the wall of the corridor, and is inconvenient to use.

[0004] Therefore, a high negative pressure dust suction device for a coal conveyor belt corridor is proposed to solve the above-mentioned problems. Summary of the invention

[0005] The object of the present invention is to provide a high negative pressure dust suction device for a coal conveyor belt corridor, so as to solve the problem that the device fails to clean the material passing mesh plate in time, which may cause the material passing mesh plate to be blocked in the subsequent dust collection process, thereby reducing the dust collection efficiency and making it inconvenient to collect and process the dust on the corridor wall.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a high negative pressure dust suction device for a coal conveyor belt corridor, comprising a bottom plate, a vacuum pump and an extraction rod, an extraction box is fixedly connected to one side of the top of the bottom plate, a collection box is fixedly connected to the other side of the top of the bottom plate, an inlet end of the vacuum pump is connected to a connecting pipe, and the connecting pipe is connected to the collection box; Also includes: A top cover is fixedly installed on the top of the collection box, a collection mechanism is arranged inside the collection box, an extraction mechanism is arranged outside the extraction box, an inner tube is fixedly installed transversely inside the extraction box, one end of the inner tube is connected to the collection box, and a collection cylinder is slidably connected to the inner bottom surface of the collection box; The collecting mechanism comprises a motor and a rotating shaft, wherein the motor is fixedly mounted in the middle of the top of the top cover, the rotating shaft is fixedly connected to the output end of the motor, a left filter plate and a right filter plate are mounted inside the collecting box, the tops of the left filter plate and the right filter plate are fixedly connected to the bottom of the top cover, the bottom of the top cover is symmetrically fixedly connected to a limiting sleeve, and a ring is provided on the upper outer side of the rotating shaft; A rack is symmetrically installed on the outer side of the ferrule, and the rack is rotatably connected to the ferrule. A fixed plate is symmetrically installed on the bottom of the top cover, and a gear is rotatably connected to the inner side of the fixed plate. A knocking rod is rotatably installed on the outer side of the fixed plate. An eccentric wheel is fixedly connected to the outer side of the upper part of the rotating shaft, and a bottom column is fixedly connected to one side of the bottom of the eccentric wheel. A reciprocating screw is fixedly connected to the middle of the rotating shaft, and a limit plate is symmetrically fixed to the top and bottom of the reciprocating screw, and the limit plate is fixedly connected to the rotating shaft, and a threaded sleeve is threadedly connected to the outer side of the reciprocating screw, and a mounting plate is symmetrically fixedly connected to the outer side of the threaded sleeve, and a telescopic plate 1 is slidably connected to the inside of the mounting plate, and a telescopic plate 2 is slidably connected to the inside of the telescopic plate 1; The extraction mechanism includes a conical cylinder and a mounting cylinder, the mounting cylinder is connected to the inner tube through the conical cylinder, a valve is fixedly mounted on the outer side of the mounting cylinder, a rotating part is rotatably connected to the inside of the mounting cylinder, a fan blade is fixedly connected to the inner side of the rotating part, and a scraping rod is symmetrically fixed on one side of the rotating part.

[0007] Preferably, a partition is fixedly connected inside the collecting cylinder, an insert block is fixedly connected to the bottom end of the rotating shaft, the insert block is rotatably connected to the partition, a fixing bar is fixedly connected to the bottom of the left filter plate, and the rotating shaft is rotatably connected to the fixing bar.

[0008] By adopting the above technical solution, the telescopic plate 2 always rests on the surface of the left filter plate and the right filter plate, so that it is convenient to scrape off the adhered dust, and at the same time it is convenient to vibrate and beat the left filter plate and the right filter plate, further reducing dust adhesion, so that the dust falls into the collection tube for collection.

[0009] Preferably, a rotating shaft is rotatably connected inside the two fixed plates, the gear is fixedly connected to the rotating shaft, and the knocking rod is fixedly connected to the rotating shaft.

[0010] By adopting the above technical solution, the rotating shaft drives the eccentric wheel to rotate, and the eccentric wheel drives the bottom column to rotate, so that the rack moves back and forth laterally, the movement of the rack drives the gear to rotate, and the gear drives the knocking rod to rotate, which is convenient for knocking the left filter plate and the right filter plate.

[0011] Preferably, the bottom column fits with the inner side of the ferrule, and the inner diameter of the ferrule is larger than the diameter of the rotating shaft.

[0012] By adopting the above technical solution, the ferrule can rotate smoothly on the outer side of the rotating shaft.

[0013] Preferably, limiting rods are symmetrically fixed on the inner sides of the two limiting plates, the threaded sleeves are slidably connected to the limiting rods, and the outer sleeves of the limiting rods are provided with springs.

[0014] By adopting the above technical solution, the limiting rod limits the threaded sleeve, and the spring assists the threaded sleeve to move.

[0015] Preferably, spring two is fixedly installed inside the mounting plate, and the telescopic plate one is fixedly connected to spring two, spring three is fixedly installed inside the telescopic plate one, and the telescopic plate two is fixedly connected to spring three, and the two telescopic plates two are respectively abutted against the left filter plate and the right filter plate.

[0016] By adopting the above technical solution, the threaded sleeve drives the mounting plate to move, and the mounting plate drives the telescopic plate 1 and the telescopic plate 2 to move, so that the telescopic plate 2 always rests on the surface of the left filter plate and the right filter plate.

[0017] Preferably, the scraping rod is located inside the conical cylinder, the scraping rod fits against the inner wall of the conical cylinder, a connecting plate is symmetrically fixedly connected to the outer side of the mounting cylinder, and a hole groove is opened on one side of the connecting plate.

[0018] By adopting the above technical solution, the scraping rod is used to scrape the inner wall of the conical cylinder.

[0019] Preferably, a clamping rod is slidably connected to the inside of the mounting tube on a side away from the rotating part, the clamping rod is symmetrically arranged, one end of the clamping rod is fixedly connected to a top block, the top block is located on the outside of the mounting tube, and a spring four is fixedly connected to the side of the top block close to the mounting tube, and one end of the spring four is fixedly connected to the mounting tube.

[0020] By adopting the above technical solution, the clamping rod can be easily engaged with the connecting block to complete the installation of the installation cylinder and the connecting block.

[0021] Preferably, one end of the extraction rod is fixedly connected to a connecting block, a slot is symmetrically provided on the outer side of the connecting block, the locking rod is engaged with the slot, a ring is fixedly connected to one side of the connecting block, a side block is symmetrically fixedly connected to the ring close to the connecting block, a positioning rod is slidably connected to the inside of the ring, the positioning rod is slidably connected to the side block, the positioning rod is engaged with the hole slot, one end of the positioning rod is fixedly connected to a pulling block, and a spring five is fixedly installed between the pulling block and the ring.

[0022] By adopting the above technical solution, the positioning rod is inserted into the hole groove, and the connecting block is continuously pushed, the side block will squeeze the top block, the top block compresses the spring four and drives the clamping rod to clamp into the clamping groove, thereby completing the installation of the connecting block.

[0023] Compared with the prior art, the invention has the following beneficial effects: a collecting mechanism is provided, and the second telescopic plate is always against the surface of the left filter plate and the right filter plate, so that it is convenient to scrape off the adhered dust, and it is convenient to vibrate and beat the left filter plate and the right filter plate, further reducing the dust adhesion, so that the dust falls into the collecting tube for collection; 1. A collecting mechanism is provided. By starting two vacuum pumps, the vacuum pumps exhaust air through the connecting pipe, and extract dust from the inner pipe and the extraction rod. The collecting mechanism is started to rotate. When the dust enters the collection box, the left filter plate and the right filter plate block and filter the dust. The motor drives the rotating shaft to rotate, and the rotating shaft drives the reciprocating screw rod to rotate. The limit rod limits the threaded sleeve. The spring 1 assists the threaded sleeve to move, so that the threaded sleeve reciprocates on the reciprocating screw rod. The threaded sleeve drives the mounting plate to move, and the mounting plate drives the telescopic plate 1 and the telescopic plate 2 to move. As the mounting plate rises and falls, the telescopic plate 2 and the telescopic plate 1 will telescope and cooperate. The springs 2 and 3 assist in telescoping, so that the telescopic plate 2 always rests on the surface of the left filter plate and the right filter plate, thereby facilitating the scraping of the adhered dust. The rotating shaft drives the eccentric wheel to rotate, and the eccentric wheel drives the bottom column to rotate. The ferrule Sleeved on the outside of the rotating shaft, the limit sleeve limits the rack so that the rack can only move horizontally. When the bottom column rotates to the leftmost end, the bottom column squeezes the ring to the left, and the ring moves to the left. When the bottom column rotates to the rightmost end, the ring moves to the right, thereby realizing the reciprocating movement of the ring and the rack. The movement of the rack drives the gear to rotate, and the gear drives the knocking rod to rotate. When the rack is at the leftmost end, the knocking rod does not contact the left filter plate and the right filter plate. When the rack is at the rightmost end, the knocking rod knocks the left filter plate and the right filter plate, thereby facilitating the vibration and knocking of the left filter plate and the right filter plate, further reducing dust adhesion, so that the dust falls into the collection barrel for collection, which solves the problem that the device does not clean the over-feed screen plate in time, which may cause the over-feed screen plate to be blocked in the subsequent dust and collection process, thereby reducing the dust collection efficiency. 2. An extraction mechanism is provided. First, slide the connecting block into the interior of the installation cylinder. The connecting block drives the ring and the side block to move so that the side block is close to the connecting plate. At this time, the positioning rod is inserted into the hole groove. Continue to push the connecting block. The side block will squeeze the top block. The top block compresses the spring four and drives the clamping rod to be clamped into the clamping groove. The installation of the connecting block is completed. The staff can then hold the extraction rod to vacuum. Open the valve, and the dust is extracted into the installation cylinder. At the same time, it will drive the fan blades to rotate, and the fan blades drive the rotating part to rotate. The rotating part drives the scraping rod to rotate, which is convenient for the scraping rod to scrape the inner wall of the conical cylinder, reducing the adhesion of dust on the inner wall, and solving the problem of inconvenient dust collection and treatment on the corridor wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the three-dimensional overall structure of the present invention; Figure 2 This is a schematic diagram of the collecting tube installation structure of the present invention; Figure 3 For the present invention Figure 2 The enlarged structural diagram at A in the middle; Figure 4 This is a schematic diagram of the rotating shaft installation structure of the present invention; Figure 5 For the present invention Figure 4 The enlarged structural diagram at B in the middle; Figure 6 For the present invention Figure 4 The enlarged structural diagram at C in the middle; Figure 7 This is a schematic diagram of the bottom structure of the top cover of the present invention; Figure 8 For the present invention Figure 7 The enlarged structural diagram at D in the middle; Fig. 9 This is a schematic diagram of the cross-sectional structure of the extraction box of the present invention; Fig.10 For the present invention Fig. 9 The enlarged structural diagram at E in the middle; Fig.11 This is a schematic diagram of the installation structure of the connecting block of the present invention.

[0025] In the figure: 1, bottom plate; 2, extraction box; 3, collection box; 4, vacuum pump; 5, connecting pipe; 6, top cover; 7, collection mechanism; 71, motor; 72, rotating shaft; 73, partition; 74, plug block; 75, left filter plate; 76, fixing strip; 77, right filter plate; 78, limiting sleeve; 79, ring; 710, rack; 711, fixing plate; 712, gear; 713, knocking rod; 714, eccentric wheel; 715, bottom column; 716, reciprocating screw; 717, limiting plate; 718, threaded sleeve; 719, limiting rod; 720, spring 1; 721 , mounting plate; 722, telescopic plate one; 723, spring two; 724, telescopic plate two; 725, spring three; 8, extraction mechanism; 81, conical cylinder; 82, mounting cylinder; 83, valve; 84, rotating part; 85, fan blade; 86, scraper rod; 87, connecting plate; 88, hole groove; 89, clamping rod; 810, top block; 811, spring four; 812, connecting block; 813, clamping groove; 814, ring; 815, side block; 816, positioning rod; 817, pulling block; 818, spring five; 9, extraction rod; 10, inner tube; 11, collecting cylinder. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-Figure 11 The present invention provides a technical solution: a high negative pressure dust suction device for a coal conveyor belt corridor, comprising a bottom plate 1, a vacuum pump 4 and an extraction rod 9, an extraction box 2 is fixedly connected to one side of the top of the bottom plate 1, a collecting box 3 is fixedly connected to the other side of the top of the bottom plate 1, and a connecting pipe 5 is connected to the inlet end of the vacuum pump 4, and the connecting pipe 5 is connected to the collecting box 3.

[0028] A top cover 6 is fixedly installed on the top of the collecting box 3, an inner tube 10 is fixedly installed laterally inside the extraction box 2, one end of the inner tube 10 is connected to the collecting box 3, and a collecting cylinder 11 is slidably connected to the inner bottom surface of the collecting box 3.

[0029] A collecting mechanism 7 is provided inside the collecting box 3, and the collecting mechanism 7 includes a motor 71 and a rotating shaft 72. The motor 71 is fixedly installed in the middle of the top of the top cover 6, and the rotating shaft 72 is fixedly connected to the output end of the motor 71. A left filter plate 75 and a right filter plate 77 are installed inside the collecting box 3. The tops of the left filter plate 75 and the right filter plate 77 are fixedly connected to the bottom of the top cover 6, and the bottom of the top cover 6 is symmetrically fixedly connected with a limiting sleeve 78, and a ring 79 is provided on the upper outer side of the rotating shaft 72.

[0030] A partition 73 is fixedly connected inside the collecting cylinder 11, an insert block 74 is fixedly connected to the bottom end of the rotating shaft 72, the insert block 74 is rotatably connected to the partition 73, a fixing bar 76 is fixedly connected to the bottom of the left filter plate 75, and the rotating shaft 72 is rotatably connected to the fixing bar 76.

[0031] A rack 710 is symmetrically installed on the outer side of the ring 79, and the rack 710 is rotatably connected to the ring 79. A fixed plate 711 is symmetrically installed on the bottom of the top cover 6. A gear 712 is rotatably connected to the inner side of the fixed plate 711, and a knocking rod 713 is rotatably installed on the outer side of the fixed plate 711. An eccentric wheel 714 is fixedly connected to the outer side of the upper part of the rotating shaft 72, and a bottom column 715 is fixedly connected to one side of the bottom of the eccentric wheel 714.

[0032] The two fixed plates 711 are internally rotatably connected with a rotating shaft, the gear 712 is fixedly connected to the rotating shaft, the knocking rod 713 is fixedly connected to the rotating shaft, the bottom column 715 fits with the inner side of the ring 79, and the inner diameter of the ring 79 is larger than the diameter of the rotating shaft 72.

[0033] A reciprocating screw rod 716 is fixedly connected to the middle of the rotating shaft 72, and a limit plate 717 is symmetrically fixed to the top and bottom of the reciprocating screw rod 716. The limit plate 717 is fixedly connected to the rotating shaft 72, and a threaded sleeve 718 is threadedly connected to the outer side of the reciprocating screw rod 716. A mounting plate 721 is symmetrically fixedly connected to the outer side of the threaded sleeve 718. The mounting plate 721 is internally slidably connected to a telescopic plate 1 722, and the telescopic plate 1 722 is internally slidably connected to a telescopic plate 2 724.

[0034] The inner sides of the two limiting plates 717 are symmetrically fixed with limiting rods 719 , the threaded sleeves 718 are slidably connected to the limiting rods 719 , and the outer sides of the limiting rods 719 are sleeved with springs 1 720 .

[0035] A spring 2 723 is fixedly installed inside the mounting plate 721, and the telescopic plate 1 722 is fixedly connected to the spring 2 723. A spring 3 725 is fixedly installed inside the telescopic plate 1 722, and the telescopic plate 2 724 is fixedly connected to the spring 3 725. The two telescopic plates 2 724 are respectively in contact with the left filter plate 75 and the right filter plate 77.

[0036] Embodiment 1: Figure 1-Figure 8 and Figure 10-11 As shown, a collecting mechanism 7 is provided. By starting two vacuum pumps 4, the vacuum pumps 4 draw air through the connecting pipe 5 and extract dust from the inner pipe 10 and the extraction rod 9. When the collecting mechanism 7 is started to rotate, when dust enters the collecting box 3, the left filter plate 75 and the right filter plate 77 block and filter the dust. The motor 71 drives the rotating shaft 72 to rotate, and the rotating shaft 72 drives the reciprocating screw rod 716 to rotate. The limiting rod 719 limits the threaded sleeve 718, and the spring 720 assists the threaded sleeve 718 to move. The threaded sleeve 718 moves back and forth on the reciprocating screw rod 716, the threaded sleeve 718 drives the mounting plate 721 to move, and the mounting plate 721 drives the telescopic plate 1 722 and the telescopic plate 2 724 to move. As the mounting plate 721 rises and falls, the telescopic plate 2 724 and the telescopic plate 1 722 will telescope and cooperate, and the spring 2 723 and the spring 3 725 assist in the telescopic expansion, so that the telescopic plate 2 724 always rests on the surface of the left filter plate 75 and the right filter plate 77, thereby facilitating the scraping of adhered dust.

[0037] The rotating shaft 72 drives the eccentric wheel 714 to rotate, and the eccentric wheel 714 drives the bottom column 715 to rotate. The ring 79 is sleeved on the outside of the rotating shaft 72, and the limiting sleeve 78 limits the rack 710, so that the rack 710 can only move horizontally. When the bottom column 715 rotates to the leftmost end, the bottom column 715 squeezes the ring 79 to the left, and the ring 79 moves to the left. When the bottom column 715 rotates to the rightmost end, the ring 79 moves to the right, thereby realizing the reciprocating movement of the ring 79 and the rack 710, the movement of the rack 710 drives the gear 712 to rotate, and the gear 712 drives the knocking rod 713 rotates, and when the rack 710 is located at the leftmost end, the knocking rod 713 does not contact the left filter plate 75 and the right filter plate 77. When the rack 710 is located at the rightmost end, the knocking rod 713 knocks the left filter plate 75 and the right filter plate 77, thereby facilitating the vibration and knocking of the left filter plate 75 and the right filter plate 77, further reducing dust adhesion, so that the dust can be collected in the collecting barrel 11, and solving the problem that the device fails to clean the material screen in time, which may cause the material screen to be blocked in the subsequent dust and collection process, thereby reducing the dust collection efficiency.

[0038] An extraction mechanism 8 is provided on the outside of the extraction box 2, and the extraction mechanism 8 includes a conical cylinder 81 and a mounting cylinder 82. The mounting cylinder 82 is connected to the inner tube 10 through the conical cylinder 81, and a valve 83 is fixedly installed on the outside of the mounting cylinder 82. A rotating member 84 is rotatably connected to the inside of the mounting cylinder 82, and a fan blade 85 is fixedly connected to the inner side of the rotating member 84. A scraping rod 86 is symmetrically fixed on one side of the rotating member 84.

[0039] The scraper rod 86 is located inside the conical tube 81 , and fits against the inner wall of the conical tube 81 . A connecting plate 87 is symmetrically fixedly connected to the outer side of the mounting tube 82 , and a hole groove 88 is formed on one side of the connecting plate 87 .

[0040] A clamping rod 89 is slidably connected inside the side of the mounting cylinder 82 away from the rotating member 84. The clamping rod 89 is symmetrically arranged. One end of the clamping rod 89 is fixedly connected to a top block 810. The top block 810 is located on the outside of the mounting cylinder 82. A spring four 811 is fixedly connected to the side of the top block 810 close to the mounting cylinder 82. One end of the spring four 811 is fixedly connected to the mounting cylinder 82.

[0041] One end of the extraction rod 9 is fixedly connected to a connecting block 812, and a slot 813 is symmetrically provided on the outer side of the connecting block 812. The locking rod 89 is engaged with the slot 813. A ring 814 is fixedly connected to one side of the connecting block 812, and a side block 815 is symmetrically fixedly connected to the side of the ring 814 close to the connecting block 812. A positioning rod 816 is slidably connected inside the ring 814, and the positioning rod 816 is slidably connected to the side block 815. The positioning rod 816 is engaged with the hole groove 88. One end of the positioning rod 816 is fixedly connected to a pull block 817, and a spring 818 is fixedly installed between the pull block 817 and the ring 814.

[0042] Embodiment 2: Figure 9-11 As shown, an extraction mechanism 8 is provided. First, the connecting block 812 is slid into the interior of the installation cylinder 82. The connecting block 812 drives the ring 814 and the side block 815 to move, so that the side block 815 is close to the connecting plate 87. At this time, the positioning rod 816 is inserted into the hole groove 88, and the connecting block 812 is continued to be pushed. The side block 815 will squeeze the top block 810, and the top block 810 compresses the spring four 811 and drives the clamping rod 89 to be clamped into the clamping groove 813, completing the installation of the connecting block 812. The staff then holds the extraction rod 9 to absorb dust; open the valve 83, the dust is extracted into the installation cylinder 82, and at the same time, the fan blade 85 will be driven to rotate, the fan blade 85 drives the rotating member 84 to rotate, and the rotating member 84 drives the scraping rod 86 to rotate, so that the scraping rod 86 can scrape the inner wall of the conical cylinder 81, reduce the adhesion of dust on the inner wall, and solve the problem of inconvenient dust collection and treatment on the corridor wall.

[0043] Working principle: When using the device, first, Figure 1-Figure 11 As shown, by starting the two vacuum pumps 4 , the vacuum pumps 4 draw air through the connecting pipe 5 , and extract dust from the inner pipe 10 and the extraction rod 9 .

[0044] The connecting block 812 is slid into the interior of the installation tube 82, and the connecting block 812 drives the ring 814 and the side block 815 to move, so that the side block 815 is close to the connecting plate 87. At this time, the positioning rod 816 is inserted into the hole groove 88, and the connecting block 812 is continued to be pushed. The side block 815 will squeeze the top block 810, and the top block 810 compresses the spring four 811 and drives the clamping rod 89 to be clamped into the clamping groove 813, completing the installation of the connecting block 812. The staff can then hold the extraction rod 9 to vacuum.

[0045] When valve 83 is opened, dust is drawn into mounting tube 82, which in turn drives blade 85 to rotate, which drives rotating member 84 to rotate, and rotating member 84 drives scraping rod 86 to rotate, so that scraping rod 86 can scrape the inner wall of conical tube 81 and reduce the adhesion of dust on the inner wall.

[0046] When the collecting mechanism 7 is started to rotate and dust enters the collecting box 3, the left filter plate 75 and the right filter plate 77 block and filter the dust, the motor 71 drives the rotating shaft 72 to rotate, the rotating shaft 72 drives the reciprocating screw rod 716 to rotate, the limiting rod 719 limits the threaded sleeve 718, and the spring 1 720 assists the threaded sleeve 718 to move, so that the threaded sleeve 718 moves back and forth on the reciprocating screw rod 716, the threaded sleeve 718 drives the mounting plate 721 to move, and the mounting plate 721 drives the telescopic plate 1 722 and the telescopic plate 2 724 to move. As the mounting plate 721 rises and falls, the telescopic plate 2 724 and the telescopic plate 1 722 will telescope and cooperate, and the spring 2 723 and the spring 3 725 assist in telescoping, so that the telescopic plate 2 724 always rests on the surface of the left filter plate 75 and the right filter plate 77, thereby facilitating the scraping of adhered dust.

[0047] The rotating shaft 72 drives the eccentric wheel 714 to rotate, and the eccentric wheel 714 drives the bottom column 715 to rotate. The ring 79 is sleeved on the outer side of the rotating shaft 72, and the limiting sleeve 78 limits the rack 710 so that the rack 710 can only move horizontally. When the bottom column 715 rotates to the leftmost end, the bottom column 715 squeezes the ring 79 to the left, and the ring 79 moves to the left. When the bottom column 715 rotates to the rightmost end, the ring 79 moves to the right, thereby realizing The ring 79 and the rack 710 reciprocate, and the rack 710 moves to drive the gear 712 to rotate, and the gear 712 drives the knocking rod 713 to rotate. When the rack 710 is located at the leftmost end, the knocking rod 713 does not contact the left filter plate 75 and the right filter plate 77. When the rack 710 is located at the rightmost end, the knocking rod 713 knocks the left filter plate 75 and the right filter plate 77, thereby facilitating the vibration and knocking of the left filter plate 75 and the right filter plate 77.

[0048] After the extraction is completed, the vacuum pump 4 and the motor 71 are stopped, the top cover 6 is removed from the collection box 3, and the collection tube 11 is taken out by a tool.

[0049] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0050] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high negative pressure dust suction device for a coal conveyor belt corridor, comprising a bottom plate (1), a vacuum pump (4) and an extraction rod (9), wherein one side of the top of the bottom plate (1) is fixedly connected to an extraction box (2), and the other side of the top of the bottom plate (1) is fixedly connected to a collection box (3), and the inlet end of the vacuum pump (4) is connected to a connecting pipe (5), and the connecting pipe (5) is in communication with the collection box (3); It is characterized in that Also includes: A top cover (6) is fixedly mounted on the top of the collection box (3); a collection mechanism (7) is arranged inside the collection box (3); an extraction mechanism (8) is arranged outside the extraction box (2); an inner tube (10) is fixedly mounted laterally inside the extraction box (2); one end of the inner tube (10) is connected to the collection box (3); and a collection cylinder (11) is slidably connected to the inner bottom surface of the collection box (3); The collecting mechanism (7) comprises a motor (71) and a rotating shaft (72); the motor (71) is fixedly mounted in the middle of the top of the top cover (6); the rotating shaft (72) is fixedly connected to the output end of the motor (71); a left filter plate (75) and a right filter plate (77) are mounted inside the collecting box (3); the tops of the left filter plate (75) and the right filter plate (77) are fixedly connected to the bottom of the top cover (6); the bottom of the top cover (6) is symmetrically fixedly connected to a limiting sleeve (78); and a ring (79) is sleeved on the outer side of the upper part of the rotating shaft (72); A rack (710) is symmetrically mounted on the outer side of the ferrule (79), and the rack (710) is rotatably connected to the ferrule (79); a fixing plate (711) is symmetrically mounted on the bottom of the top cover (6); a gear (712) is rotatably connected to the inner side of the fixing plate (711); a knocking rod (713) is rotatably mounted on the outer side of the fixing plate (711); an eccentric wheel (714) is fixedly connected to the outer side of the upper part of the rotating shaft (72); and a bottom column (715) is fixedly connected to one side of the bottom of the eccentric wheel (714); A reciprocating screw rod (716) is fixedly connected to the middle of the rotating shaft (72); a limit plate (717) is symmetrically fixed to the top and bottom of the reciprocating screw rod (716); the limit plate (717) is fixedly connected to the rotating shaft (72); a threaded sleeve (718) is threadedly connected to the outside of the reciprocating screw rod (716); a mounting plate (721) is symmetrically fixedly connected to the outside of the threaded sleeve (718); a telescopic plate 1 (722) is slidably connected to the inside of the mounting plate (721); and a telescopic plate 2 (724) is slidably connected to the inside of the telescopic plate 1 (722); The extraction mechanism (8) comprises a conical cylinder (81) and a mounting cylinder (82); the mounting cylinder (82) is connected to the inner tube (10) via the conical cylinder (81); a valve (83) is fixedly mounted on the outer side of the mounting cylinder (82); a rotating member (84) is rotatably connected to the inside of the mounting cylinder (82); a fan blade (85) is fixedly connected to the inner side of the rotating member (84); and a scraping rod (86) is symmetrically fixed to one side of the rotating member (84).

2. A high negative pressure dust suction device for a coal conveyor belt corridor according to claim 1, characterized in that: A partition plate (73) is fixedly connected inside the collecting cylinder (11), an insert block (74) is fixedly connected to the bottom end of the rotating shaft (72), the insert block (74) is rotatably connected to the partition plate (73), a fixing bar (76) is fixedly connected to the bottom of the left filter plate (75), and the rotating shaft (72) is rotatably connected to the fixing bar (76).

3. A high negative pressure dust suction device for a coal conveyor belt corridor according to claim 1, characterized in that: A rotating shaft is rotatably connected inside the two fixed plates (711), the gear (712) is fixedly connected to the rotating shaft, and the knocking rod (713) is fixedly connected to the rotating shaft.

4. A high negative pressure dust suction device for a coal conveyor belt corridor according to claim 1, characterized in that: The bottom column (715) fits against the inner side of the ferrule (79), and the inner diameter of the ferrule (79) is greater than the diameter of the rotating shaft (72).

5. The high negative pressure dust suction device for a coal conveyor belt corridor according to claim 1, characterized in that: The inner sides of the two limit plates (717) are symmetrically fixed with limit rods (719), the threaded sleeves (718) are slidably connected to the limit rods (719), and the outer sides of the limit rods (719) are provided with springs 1 (720).

6. A high negative pressure dust suction device for a coal conveyor belt corridor according to claim 1, characterized in that: A second spring (723) is fixedly mounted inside the mounting plate (721), the first telescopic plate (722) is fixedly connected to the second spring (723), a third spring (725) is fixedly mounted inside the first telescopic plate (722), the second telescopic plate (724) is fixedly connected to the third spring (725), and the two second telescopic plates (724) are respectively in contact with the left filter plate (75) and the right filter plate (77).

7. A high negative pressure dust suction device for a coal conveyor belt corridor according to claim 1, characterized in that: The scraper rod (86) is located inside the conical cylinder (81), and the scraper rod (86) fits against the inner wall of the conical cylinder (81). A connecting plate (87) is fixedly connected to the outer side of the mounting cylinder (82) in a vertically symmetrical manner, and a hole groove (88) is formed on one side of the connecting plate (87).

8. A high negative pressure dust suction device for a coal conveyor belt corridor according to claim 7, characterized in that: A clamping rod (89) is slidably connected to the inside of a side of the mounting tube (82) away from the rotating member (84); the clamping rod (89) is symmetrically arranged; one end of the clamping rod (89) is fixedly connected to a top block (810); the top block (810) is located outside the mounting tube (82); a side of the top block (810) close to the mounting tube (82) is fixedly connected to a spring four (811); one end of the spring four (811) is fixedly connected to the mounting tube (82).

9. A high negative pressure dust suction device for a coal conveyor belt corridor according to claim 8, characterized in that: One end of the extraction rod (9) is fixedly connected to a connection block (812), a slot (813) is symmetrically provided on the outer side of the connection block (812), the locking rod (89) is snap-fitted with the slot (813), one side of the connection block (812) is fixedly connected to a circular ring (814), a side of the circular ring (814) close to the connection block (812) is symmetrically fixedly connected to a side block (815), the inside of the circular ring (814) is slidably connected to a positioning rod (816), the positioning rod (816) is slidably connected to the side block (815), the positioning rod (816) is snap-fitted with the hole groove (88), one end of the positioning rod (816) is fixedly connected to a pull block (817), and a spring five (818) is fixedly installed between the pull block (817) and the circular ring (814).

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