Negative pressure dust fall type loading and unloading device for ship loader

Abstract

The invention belongs to the technical field of material transportation equipment, and particularly relates to a negative pressure dust fall type loading and unloading device for a ship loader. Comprising a base, and a box body is mounted on the base; a notch is formed in one side of the box body, a support is fixedly connected to the notch, and a first conveying belt mechanism and a second conveying belt mechanism are sequentially installed on the support from top to bottom; an opening is formed in the top of the box body, and a pyramid-like funnel is fixedly mounted on the opening; the large-caliber end of the pyramid-like funnel faces the outside of the box body, and the small-caliber end of the pyramid-like funnel faces the upper portion of the first conveying belt mechanism. Dust is reduced as much as possible while material waste is avoided, and the time period of influence caused by dust is greatly shortened, so that the influence caused by dust is comprehensively reduced; materials preliminarily separated by the box body can be further separated and conveyed in the transportation process, and meanwhile the dust problem in the material transportation process is greatly reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of material transportation equipment, and in particular relates to a negative pressure dust reduction type loading and unloading device for a ship loader. Background Art

[0002] Ship loader transportation refers to a logistics method that loads materials from land to ships through equipment. Its working principle is to use mechanical devices such as conveyor belts and elevators to transfer materials from land to ships, aiming to improve loading and unloading efficiency and safety. The advantages of ship loader transportation are that it significantly improves loading and unloading efficiency, shortens the time of cargo transfer, and reduces labor costs and safety risks caused by manual operation. In addition, the precise operation of the ship loader reduces material damage and accidents, and enhances the reliability and safety of logistics transportation.

[0003] Application No. 202111319274.3 discloses a transferable bulk material ship loader, including a slide rail, a support platform, a dust collector and a fixed chute, a load-bearing plate is installed on the top of the slide rail, a rotating disk is installed on the top of the load-bearing plate, a support platform is installed on the top of the rotating disk, a dust collector is installed on the back of the support platform, a fixed chute is installed on the top of the feeder, an adjustment plate is installed on the outer wall of the support platform, a cable collector is installed on the top of the support platform, and a collection box is installed at the bottom of the counterweight plate. This patent can reduce the dust content by installing a dust collector, pressurizing the internal storage box of the pressure pump box, and the water in the storage box is squeezed out of the spray pipe to form a water mist to prevent the dust generated by the continuous transmission of materials. When the water level in the storage box is low, the float moves downward, and the float drives one end of the test rod to rotate downward, and the other end rises, and the impact rod hits the switch to control whether the water pump needs to be replenished, thereby realizing the function of removing dust.

[0004] However, the dust reduction method through spraying is not suitable for all materials. For example, some granular or powdered materials such as cement and coal powder will cause agglomeration due to spraying. At the same time, dust is easily generated when some granular materials are transported, especially in the process of loading. The falling of some fine particles can easily lead to dust generation, causing adverse effects on the construction environment. Some transportation equipment uses vacuuming to remove dust, but for some materials with more small particles, it will cause serious material waste. Summary of the invention

[0005] In order to solve the deficiencies in the prior art, the present invention provides a negative pressure dust reduction loading and unloading device for a ship loader. The present invention avoids material waste while reducing dust generation as much as possible, and greatly shortens the time period for the impact of dust, thereby comprehensively reducing the impact of dust generation; the present invention enables the materials initially separated by the box to be further separated and transmitted during transportation, while greatly reducing the dust problem during material transportation.

[0006] In order to achieve the above object, the present invention adopts the following technical solution:

[0007] A negative pressure dust reduction loading and unloading device for a ship loader comprises a base, wherein a box is installed on the base; a notch is provided on one side of the box, a bracket is fixedly connected to the notch, and a first conveyor belt mechanism and a second conveyor belt mechanism are installed on the bracket in sequence from top to bottom; the top of the box is open, and a pyramid-like funnel is fixedly installed on the opening; the large-diameter end of the pyramid-like funnel faces the outside of the box, and the small-diameter end of the pyramid-like funnel faces the top of the first conveyor belt mechanism; an L-shaped tube is fixedly installed on the side of the box away from the first conveyor belt mechanism, one end of the L-shaped tube is connected with one side of the pyramid-like funnel, and the other end of the L-shaped tube faces the top of the second conveyor belt mechanism; a separation net is fixedly provided at the connection between one end of the L-shaped tube and the pyramid-like funnel; a transmission mechanism is fixedly installed on the outside of the box for controlling the transmission of the first conveyor belt mechanism and the second conveyor belt mechanism; a material guiding mechanism is installed on the end of the bracket away from the box for guiding materials.

[0008] Further, the bracket includes two square frames, one end of the square frame is fixedly connected in the notch of the box body, the other end of the square frame is fixedly connected to a support rod, and the support rod is fixedly connected to the lower side of the box body; the first conveyor belt mechanism and the second conveyor belt mechanism are arranged between the two square frames;

[0009] The first conveyor belt mechanism comprises a first active roller and a first driven roller, and the first active roller and the first driven roller are both sleeved with a first transmission belt on their outer sides; both ends of the first active roller are rotatably connected to the upper end of a square frame close to the box body through a rotating shaft, and both ends of the first driven roller are rotatably connected to the upper end of a square frame away from the box body through a rotating shaft;

[0010] The second conveyor belt mechanism includes a second active roller and a second driven roller, and a second transmission belt is commonly sleeved on the outer sides of the second active roller and the second driven roller; the two ends of the second active roller are rotatably connected to the square frame and the lower end close to the box body through a rotating shaft, and the two ends of the second driven roller are rotatably connected to the square frame and the lower end away from the box body through a rotating shaft.

[0011] Furthermore, the transmission mechanism includes a first transmission motor and a second transmission motor fixedly mounted on the outside of the box body, the output shaft of the first transmission motor passes through the box body and the square frame, and the end of the output shaft is fixedly connected to the rotating shaft of the first active roller; the second transmission motor is a forward and reverse motor, the output shaft of the second transmission motor passes through the box body and the square frame, and the end of the output shaft is fixedly connected to the rotating shaft of the second active roller.

[0012] Furthermore, the outer sides of the two square frames are commonly and fixedly connected with a negative pressure mechanism, the shape of the negative pressure mechanism is a hexagonal tube body, including two symmetrically inclined and connected first guide square tubes, one end of the first guide square tube is vertically connected with a sedimentation square tube; the two sedimentation square tubes are respectively located on the outer sides of the corresponding square frames and fixedly connected to the top of the square frames, and a plurality of vents are evenly opened on both sides of the sedimentation square tubes, and the vents are located above the first transmission belt; one end of the sedimentation square tube is connected with a second guide square tube, the second guide square tube is inclined and the pipe mouth passes through the middle of the corresponding square frame toward the top of the second transmission belt;

[0013] A plurality of negative pressure fans are installed below the connection of the two first guide square tubes, and the negative pressure fans face upwards of the first transmission belt.

[0014] Furthermore, the material guiding mechanism includes a material guiding square tube, L-shaped brackets are fixedly provided on both sides of one end of the material guiding square tube, one end of the L-shaped bracket is rotatably connected to the square frame and the lower end away from the box body through a fixed rotating shaft; a fixed frame is fixedly provided at the bottom of the end of the square frame away from the box body, and a hydraulic telescopic rod is fixedly installed on the fixed frame; a hinge groove is symmetrically fixedly provided below one end of the material guiding square tube, and the telescopic end of the hydraulic telescopic rod is hinged to the corresponding hinge groove.

[0015] Furthermore, the material guiding square tube is closed at one end away from the square frame; a rotating slot is provided at the bottom of the material guiding square tube and a flip plate is provided in the slot; rotating rods are fixedly provided at the middle of both sides of the flip plate, rotating holes are provided at both sides of the material guiding square tube, the rotating rods pass through the corresponding rotating holes and are rotatably connected with the rotating holes; a protrusion is fixedly provided at the end of the rotating rod, a torsion spring is sleeved on the rotating rod, and both ends of the torsion spring are respectively fixedly connected to the protrusion and the outer wall of the material guiding square tube.

[0016] Furthermore, a stopper is fixedly provided on one side of the rotating groove close to the square frame, and the stopper is located below the flip plate; an end port of the material guiding square tube close to the square frame is located on one side of the end of the second transmission belt; a baffle is extended from the top of one end of the material guiding square tube close to the square frame, and the baffle is located below the first transmission belt.

[0017] Furthermore, the pyramid-shaped funnel is vertically arranged on one side close to the first conveyor belt mechanism, and the other three side surfaces are inclined; a through groove is penetrated on one side of the pyramid-shaped funnel away from the first conveyor belt mechanism, and the through groove is fixedly connected to the L-shaped tube; the separation net is fixed on the through groove.

[0018] Furthermore, a rotating motor is fixedly provided inside the base, and an output end of the rotating motor passes through the base and is fixedly connected to the bottom of the box; and a door body is installed below the box on a side away from the bracket.

[0019] A transportation method using the negative pressure dust suppression type loading and unloading device for a ship loader comprises the following steps:

[0020] S1. When there are fewer small particles, the first transmission motor rotates forward and the second transmission motor rotates reversely to add materials into the pyramid-shaped funnel. The large particles are conveyed to the ship compartment by the first transmission belt, and the small particles are collected in the box.

[0021] S2. When there are many small particles, the first transmission motor and the second transmission motor rotate forward, and materials are added to the pyramid-shaped funnel. The large particles are conveyed to the ship compartment by the first transmission belt, and the small particles are conveyed to the material guide mechanism by the second transmission belt, and then concentratedly conveyed to the ship compartment;

[0022] S3. Intermittently start the fan of the negative pressure mechanism so that the materials can be further separated and conveyed during transportation; adjust the hydraulic telescopic rod according to the depth of the ship's hold to rotate the material guide mechanism and lower the falling height of small particles.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] (1) When loading materials onto a ship, the present invention firstly loads the materials through a pyramid-shaped funnel, and large particles of materials directly fall from the small-diameter end of the pyramid-shaped funnel onto the first conveyor belt mechanism for transmission, and small particles of materials enter the second conveyor belt mechanism through a separation net and an L-shaped tube, thereby realizing synchronous transmission of the two transmission belts; when there are fewer small particles of materials, the second transmission motor is reversed to make the small particles of materials on the second conveyor belt fall into the box body and be collected, thereby preventing the small particles of materials from falling into the ship's hold and causing excessive dust to be generated; when there are more small particles of materials, the second transmission motor is rotated forward to make the small particles of materials on the second conveyor belt fall into the material guide mechanism, and then be concentratedly sent to the ship's hold, thereby avoiding material waste and reducing the impact of dust generation; specifically, when the small particles of materials are just beginning to be conveyed by the second conveyor belt to the guide mechanism, When the material is in the material mechanism, the flip plate cannot be flipped because the material is not particularly heavy, and the small particles are collected in the material guiding square tube. At this time, only large particles fall into the ship's hold. The dust generated by the large particles when loading will be much smaller, reducing the impact of dust during loading. When the material in the material guiding square tube increases, gravity presses down one side of the flip plate, so that the small particles accumulated on one side of the flip plate fall into the ship's hold, and the small particles are loaded. The other side of the flip plate tilts up and pushes the material downward to prevent the material from getting stuck above the material guiding square tube. This method avoids the waste of materials, and through the guiding of the material guiding square tube and the concentrated falling treatment, the generation of dust is reduced as much as possible, and the time period of dust impact is greatly shortened, thereby comprehensively reducing the impact of dust generation.

[0025] (2) The present invention cooperates with the negative pressure mechanism with the first conveyor belt mechanism and the second conveyor belt mechanism, so that the materials initially separated by the box can be further separated and transported during the transportation process, while greatly reducing the dust problem during the material transportation process; specifically, when the large particle materials are initially separated by the box and transported by the first transmission belt, the initial separation of the box is not complete and the transportation movement of the transmission belt causes dust to be generated during the transportation process. At this time, by starting the negative pressure fan, the negative pressure fan sucks the dust and some small particle materials into the first guide square tube through the negative pressure effect. Under the guidance of the first guide square tube, the dust and some small particle materials enter the sedimentation square tube. At this time, due to the existence of the vent, the pressure of the sedimentation square tube becomes normal. Some materials will fall from the sedimentation square tube into the second guide square tube and be introduced into the second conveyor belt by the second guide square tube. Then, the negative pressure fan is intermittently opened and closed, so that the materials adhered to the vent of the sedimentation square tube fall into the second guide square tube and are subsequently introduced into the second transmission belt. The material is further separated and transported, while greatly reducing the dust problem during the material transportation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the overall structure of a negative pressure dust suppression type loading and unloading device for a ship loader according to the present invention;

[0027] Figure 2 This is a schematic diagram of the dispersed structure of a negative pressure dust suppression type loading and unloading device for a ship loader of the present invention;

[0028] Figure 3 It is a schematic cross-sectional structure diagram of a negative pressure dust suppression type loading and unloading device for a ship loader of the present invention;

[0029] Figure 4 This is a schematic diagram of the box dispersion structure of a negative pressure dust suppression type loading and unloading device for a ship loader of the present invention;

[0030] Figure 5 It is a schematic diagram of the structure of a negative pressure mechanism of a negative pressure dust suppression type loading and unloading device for a ship loader of the present invention;

[0031] Figure 6 It is a partial structural schematic diagram of a negative pressure dust suppression type loading and unloading device for a ship loader of the present invention;

[0032] Figure 7 This is a schematic structural diagram of a material guiding mechanism of a negative pressure dust suppression type loading and unloading device for a ship loader of the present invention;

[0033] Figure 8 The present invention is a schematic diagram of the dispersed structure of the unloading mechanism of the negative pressure dust suppression type loading and unloading device for a ship loader.

[0034] The reference numerals are as follows:

[0035] Base 100; rotating motor 110; box 200; pyramid-shaped funnel 210; through slot 211; separation net 212; L-shaped tube 220; door 230; notch 240; first conveyor belt mechanism 300; first transmission belt 310; first active roller 320; first driven roller 330; second transmission belt mechanism 400; second transmission belt 410; second active roller 420; second driven roller 430; negative pressure mechanism 500; first guide square tube 510; sedimentation square tube 520; vent 521; The second guide square tube-530; the negative pressure fan-540; the bracket-600; the square frame-610; the support rod-620; the fixed frame-630; the fixed rotating shaft-640; the hydraulic telescopic rod-650; the material guiding mechanism-700; the material guiding square tube-710; the rotating hole-711; the baffle-720; the L-shaped bracket-730; the hinge groove-740; the rotating notch-750; the block-751; the flip plate-760; the rotating rod-761; the protrusion-762; the torsion spring-763; the transmission mechanism-800; the first transmission motor-810; the second transmission motor-820. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention is further described in detail below in conjunction with the embodiments. Of course, the specific embodiments described here are only used to explain the present invention and are not used to limit the present invention.

[0037] Although the steps in the present invention are arranged with numbers, they are not used to limit the order of the steps. Unless the order of the steps is clearly stated or the execution of a certain step requires other steps as a basis, the relative order of the steps can be adjusted. It is understood that the term "and / or" used in this article involves and covers any and all possible combinations of one or more of the associated listed items.

[0038] Example

[0039] like Figures 1 to 8 As shown, a negative pressure dust suppression loading and unloading device for a ship loader comprises a base 100, on which a box 200 is mounted; a notch 240 is provided on one side of the box 200, on which a bracket 600 is fixedly connected, on which a first conveyor belt mechanism 300 and a second conveyor belt mechanism 400 are sequentially mounted from top to bottom; the top of the box 200 is open, on which a pyramid-like funnel 210 is fixedly mounted; the large-diameter end of the pyramid-like funnel 210 faces the outside of the box 200, and the small-diameter end of the pyramid-like funnel 210 faces above the first conveyor belt mechanism 300; the box An L-shaped tube 220 is fixedly installed on one side of the box body 200 and away from the first conveyor belt mechanism 300, one end of the L-shaped tube 220 is connected to one side of the pyramid-shaped funnel 210, and the other end of the L-shaped tube 220 faces the top of the second transmission belt mechanism 400; a separation net 212 is fixedly provided at the connection point between one end of the L-shaped tube 220 and the pyramid-shaped funnel 210; a transmission mechanism 800 is fixedly installed on the outer side of the box body 200, which is used to control the transmission of the first conveyor belt mechanism 300 and the second transmission belt mechanism 400; a material guiding mechanism 700 is installed on the bracket 600 and away from the end of the box body 200, which is used to guide the material.

[0040] When loading materials, the present invention first loads the materials through the pyramid-shaped funnel 210, and the large particles directly fall from the small-diameter end of the pyramid-shaped funnel 210 into the first conveyor belt mechanism 300 for transmission, and the small particles pass through the separation net 212 and the L-shaped tube 220 and enter the second conveyor belt mechanism 400, thereby realizing synchronous transmission of the two transmission belts; the aperture selection of the separation net 212 can be conventionally selected according to the actual material transportation situation.

[0041] Further, the bracket 600 includes two square frames 610, one end of the square frame 610 is fixedly connected in the notch 240 of the box body 200, and the other end of the square frame 610 is fixedly connected to a support rod 620, and the support rod 620 is fixedly connected to the lower side of the box body 200; the first conveyor belt mechanism 300 and the second conveyor belt mechanism 400 are arranged between the two square frames 610; a triangular structure is formed by the box body 200, the square frame 610, and the support rod 620 to improve the stability of the device;

[0042] The first conveyor belt mechanism 300 includes a first active roller 320 and a first driven roller 330. The first active roller 320 and the first driven roller 330 are both sleeved with a first transmission belt 310. Both ends of the first active roller 320 are rotatably connected to the upper end of the square frame 610 and close to the box body 200 through a rotating shaft, and both ends of the first driven roller 330 are rotatably connected to the upper end of the square frame 610 and away from the box body 200 through a rotating shaft.

[0043] The second conveyor belt mechanism 400 includes a second active roller 420 and a second driven roller 430, and the second active roller 420 and the second driven roller 430 are jointly sleeved with a second transmission belt 410 on their outer sides; both ends of the second active roller 420 are rotatably connected to the square frame 610 and the lower end close to the box body 200 through a rotating shaft, and both ends of the second driven roller 430 are rotatably connected to the square frame 610 and the lower end away from the box body 200 through a rotating shaft.

[0044] The first active roller 320 and the second active roller 420 are both controlled and driven by a transmission mechanism 800, which will be described in detail later.

[0045] Furthermore, the transmission mechanism 800 includes a first transmission motor 810 and a second transmission motor 820 fixedly mounted on the outside of the box body 200, wherein the output shaft of the first transmission motor 810 passes through the box body 200 and the square frame 610, and the end of the output shaft is fixedly connected to the rotating shaft of the first active roller 320; the second transmission motor 820 is a forward and reverse motor, wherein the output shaft of the second transmission motor 820 passes through the box body 200 and the square frame 610, and the end of the output shaft is fixedly connected to the rotating shaft of the second active roller 420.

[0046] According to the present invention, when there are fewer small particles, the second transmission motor 820 is reversed to make the small particles on the second conveyor belt 410 fall into the box body 200 and be collected, thereby preventing the small particles from falling into the ship's hold and causing excessive dust. When there are more small particles, the second transmission motor 820 is rotated forward to make the small particles on the second conveyor belt 410 fall into the material guiding mechanism 700 and then be sent to the ship's hold in a centralized manner, thereby avoiding material waste and reducing the impact of dust generation. The material guiding mechanism 700 will be described in detail later.

[0047] It is worth noting that the first transmission motor 810, the second transmission motor 820 and subsequent power equipment of the present invention are all controlled by an external power supply and will not be described in detail herein.

[0048] Furthermore, the outer sides of the two square frames 610 are commonly fixedly connected with a negative pressure mechanism 500, and the shape of the negative pressure mechanism 500 is a hexagonal tube body, including two symmetrically inclined and connected first guide square tubes 510, one end of the first guide square tube 510 is vertically connected with a sedimentation square tube 520; the two sedimentation square tubes 520 are respectively located on the outer sides of the corresponding square frames 610 and fixedly connected to the top of the square frames 610, and a plurality of vents 521 are evenly opened on both sides of the sedimentation square tube 520, and the vents 521 are located above the first transmission belt 310; one end of the sedimentation square tube 520 is connected with a second guide square tube 530, and the second guide square tube 530 is inclined and the pipe mouth passes through the middle of the corresponding square frame 610 toward the top of the second transmission belt 410;

[0049] A plurality of negative pressure fans 540 are installed below the connection between the two first guide square tubes 510 , and the negative pressure fans 540 face upwards of the first transmission belt 310 .

[0050] The present invention cooperates with the negative pressure mechanism 500, the first conveyor belt mechanism 300 and the second conveyor belt mechanism 400, so that the materials preliminarily separated by the box 200 can be further separated and transported during transportation, while greatly reducing the dust problem during material transportation. Specifically, when large particles are preliminarily separated by the box 200 and transported by the first transmission belt 310, dust is generated during transportation due to incomplete preliminarily separation by the box 200 and the transportation movement of the transmission belt. At this time, the negative pressure fan 540 is started, and the negative pressure fan 540 sucks the dust and some small particles into the first guide square tube 510 through the negative pressure effect, and then the dust is discharged into the first guide square tube 510 by the negative pressure effect. Under the guidance of the first guide square tube, dust and some small particles enter the sedimentation square tube 520. At this time, due to the existence of the vent 521, the pressure of the sedimentation square tube 520 becomes normal, and some materials fall from the sedimentation square tube 520 to the second guide square tube 530, and are introduced into the second conveyor belt 410 by the second guide square tube 530. Then, the negative pressure fan 540 is intermittently opened and closed, so that the materials adhered to the vent 521 of the sedimentation square tube 520 fall into the second guide square tube 530 and are subsequently introduced into the second conveyor belt 410. The materials are further separated and transmitted, and the dust problem in the material transportation process is greatly reduced.

[0051] It is worth noting that if a large number of vents 521 are provided, most of the gas sucked in from the negative pressure fan 540 has been discharged from the vents 521. Even if a small amount of gas enters the second guide square tube 530, it will not affect the transportation of the second conveyor belt 410 and will not be described in detail here.

[0052] Furthermore, since the overall shell of the negative pressure mechanism 500 surrounds the first conveyor belt mechanism 300 , it can also play a protective isolation role.

[0053] Furthermore, the material guiding mechanism 700 includes a material guiding square tube 710, and L-shaped brackets 730 are fixedly provided on both sides of one end of the material guiding square tube 710, and one end of the L-shaped bracket 730 is rotatably connected to the square frame 610 and the lower end away from the box body 200 through a fixed rotating shaft 640; a fixed frame 630 is fixedly provided at the bottom of the end of the square frame 610 away from the box body 200, and a hydraulic telescopic rod 650 is fixedly installed on the fixed frame 630; a hinge groove 740 is symmetrically fixedly provided below one end of the material guiding square tube 710, and the telescopic end of the hydraulic telescopic rod 650 is hinged to the corresponding hinge groove 740.

[0054] By extending and retracting the hydraulic telescopic rod 650, the material guiding square tube 710 and the L-shaped bracket 730 can be controlled to rotate around the fixed rotating shaft 640, so as to adjust the angle of the material guiding square tube 710, which is convenient for flexible adjustment according to the different depths of the ship warehouse, so that the falling height of small particle materials becomes lower, thereby reducing the generation of dust.

[0055] Furthermore, the material guiding square tube 710 is closed at one end away from the square frame 610; a rotating slot 750 is provided at the bottom of the material guiding square tube 710 and a flip plate 760 is provided inside; rotating rods 761 are fixedly provided at the middle of both sides of the flip plate 760, and rotating holes 711 are provided on both sides of the material guiding square tube 710, and the rotating rods 761 pass through the corresponding rotating holes 711 and are rotatably connected to the rotating holes 711; a protrusion 762 is fixedly provided at the end of the rotating rod 761, and a torsion spring 763 is sleeved on the rotating rod 761, and both ends of the torsion spring 763 are respectively fixedly connected to the protrusion 762 and the outer wall of the material guiding square tube 710.

[0056] Furthermore, a stopper 751 is fixedly provided on the rotating slot 750 and close to one side of the square frame 610, and the stopper 751 is located below the flip plate 760; the flipping direction of the flip plate 760 is limited by the stopper 751; the material guide square tube 710 and one end port close to the square frame 610 is located on one side of the end of the second transmission belt 410; the material guide square tube 710 and one end close to the square frame 610 is extended with a baffle 720 at the top, and the baffle 720 is located below the first transmission belt 310.

[0057] In the present invention, when small particle materials are first conveyed to the material guiding mechanism 700 by the second conveyor belt 410, the flip plate 760 cannot be flipped because the materials are not particularly heavy, and then the small particle materials are collected in the material guiding square tube 710. At this time, only large particle materials fall into the ship's hold, and the dust generated by loading large particle materials will be much smaller, reducing the impact of dust during loading. When the material in the material guiding square tube 710 increases, gravity presses down one side of the flip plate 760, so that the small particle materials accumulated on one side of the flip plate 760 fall into the ship's hold in a concentrated manner, and the small particle materials are loaded on the ship. The other side of the flip plate 760 tilts up and pushes the materials downward to prevent the materials from getting stuck on the top of the material guiding square tube 710. This method avoids the waste of materials, and at the same time, through the material guiding of the material guiding square tube 710 and the concentrated falling process, the generation of dust is reduced as much as possible, and the time period of dust impact is greatly shortened, thereby comprehensively reducing the impact of dust generation.

[0058] It is worth noting that the outer shell of the material guiding square tube 710 can also guide large particle materials, thereby reducing the falling height of the large particle materials and further reducing the generation of dust; at the same time, the falling large particle materials will have a certain impact on the material guiding square tube 710, preventing small particle materials from being stuck above the flip plate 760 and not sliding down.

[0059] Furthermore, the pyramid-shaped funnel 210 is vertically arranged on one side close to the first conveyor belt mechanism 300, and the other three sides are inclined; a through groove 211 is penetrated on one side of the pyramid-shaped funnel 210 away from the first conveyor belt mechanism 300, and the through groove 211 is fixedly connected to the L-shaped tube 220; the separation net 212 is fixed on the through groove 211; and separation is performed by adding material to the side with the separation net 212.

[0060] Furthermore, a rotating motor 110 is fixedly provided inside the base 100, and the output end of the rotating motor 110 passes through the base 100 and is fixedly connected to the bottom of the box 200; the rotation angle of the box 200 can be controlled by the rotating motor 110, so as to adjust the material transport direction; the box 200 is also provided with a door body 230 at the lower side away from the bracket 600; the small particles accumulated in the box 200 are collected through the door body 230.

[0061] A transportation method using the negative pressure dust suppression type loading and unloading device for a ship loader comprises the following steps:

[0062] S1. When there are fewer small particles, the first transmission motor 810 rotates forward and the second transmission motor 820 rotates reversely to add materials into the pyramid-shaped funnel 210. The large particles are conveyed to the ship compartment by the first transmission belt 310, and the small particles are collected in the box 200.

[0063] S2. When there are many small particles, the first transmission motor 810 and the second transmission motor 820 rotate forward, and materials are added to the pyramid-shaped funnel 210. The large particles are conveyed to the ship compartment by the first transmission belt 310, and the small particles are conveyed to the material guide mechanism 700 by the second transmission belt 410, and then are collectively conveyed to the ship compartment.

[0064] S3. The fan of the negative pressure mechanism 500 is started intermittently, so that the materials can be further separated and conveyed during transportation; the hydraulic telescopic rod 650 is adjusted according to the depth of the ship's hold to rotate the material guiding mechanism 700, so that the falling height of the small particle materials becomes lower.

[0065] The above is only a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several improvements and changes without departing from the creative concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A negative pressure dust suppression loading and unloading device for a ship loader, characterized in that: The invention comprises a base (100), on which a box (200) is installed; a notch (240) is provided on one side of the box (200), on which a bracket (600) is fixedly connected, and on which a first conveyor belt mechanism (300) and a second conveyor belt mechanism (400) are installed in sequence from top to bottom; the top of the box (200) is open, on which a pyramid-shaped funnel (210) is fixedly installed; the large-diameter end of the pyramid-shaped funnel (210) faces the outside of the box (200), and the small-diameter end of the pyramid-shaped funnel (210) faces above the first conveyor belt mechanism (300); the box (200) is away from the first conveyor belt mechanism (300), and the small-diameter end of the pyramid-shaped funnel (210) faces the top of the first conveyor belt mechanism (300); and the box (200) is located away from the first conveyor belt mechanism (300). An L-shaped tube (220) is fixedly installed on one side of a conveyor belt mechanism (300), one end of the L-shaped tube (220) is connected to one side of a pyramid-shaped funnel (210), and the other end of the L-shaped tube (220) faces upward from a second conveyor belt mechanism (400); a separation net (212) is fixedly installed at the connection point between one end of the L-shaped tube (220) and the pyramid-shaped funnel (210); a transmission mechanism (800) is fixedly installed on the outer side of the box body (200) for controlling the transmission of the first conveyor belt mechanism (300) and the second conveyor belt mechanism (400); and a material guiding mechanism (700) is installed at one end of the bracket (600) away from the box body (200) for guiding materials.

2. A negative pressure dust suppression loading and unloading device for a ship loader according to claim 1, characterized in that: The bracket (600) comprises two square frames (610), one end of the square frame (610) is fixedly connected in a notch (240) of the box body (200), and the other end of the square frame (610) is fixedly connected to a support rod (620), and the support rod (620) is fixedly connected to a lower side of the box body (200); the first conveyor belt mechanism (300) and the second conveyor belt mechanism (400) are arranged between the two square frames (610); The first conveyor belt mechanism (300) comprises a first active roller (320) and a first driven roller (330); the first active roller (320) and the first driven roller (330) are both sleeved with a first transmission belt (310); both ends of the first active roller (320) are rotatably connected to the upper end of a square frame (610) and close to the box (200) through a rotating shaft, and both ends of the first driven roller (330) are rotatably connected to the upper end of a square frame (610) and away from the box (200) through a rotating shaft; The second conveyor belt mechanism (400) comprises a second active roller (420) and a second driven roller (430), and a second transmission belt (410) is commonly sleeved on the outer sides of the second active roller (420) and the second driven roller (430); the two ends of the second active roller (420) are rotatably connected to the square frame (610) and the lower end close to the box body (200) through a rotating shaft, and the two ends of the second driven roller (430) are rotatably connected to the square frame (610) and the lower end away from the box body (200) through a rotating shaft.

3. A negative pressure dust suppression loading and unloading device for a ship loader according to claim 2, characterized in that: The transmission mechanism (800) comprises a first transmission motor (810) and a second transmission motor (820) fixedly mounted on the outside of a housing (200); the output shaft of the first transmission motor (810) passes through the housing (200) and the square frame (610), and the end of the output shaft is fixedly connected to the rotating shaft of the first active roller (320); the second transmission motor (820) is a forward and reverse rotating motor, the output shaft of the second transmission motor (820) passes through the housing (200) and the square frame (610), and the end of the output shaft is fixedly connected to the rotating shaft of the second active roller (420).

4. A negative pressure dust suppression loading and unloading device for a ship loader according to claim 2, characterized in that: A negative pressure mechanism (500) is fixedly connected to the outer sides of the two square frames (610), and the shape of the negative pressure mechanism (500) is a hexagonal tube body, comprising two symmetrically inclined and connected first guide square tubes (510), one end of the first guide square tube (510) is vertically connected with a sedimentation square tube (520); the two sedimentation square tubes (520) are respectively located on the outer sides of the corresponding square frames (610) and are fixedly connected to the top of the square frames (610), and a plurality of ventilation holes (521) are evenly opened on both sides of the sedimentation square tube (520), and the ventilation holes (521) are located above the first transmission belt (310); one end of the sedimentation square tube (520) is connected with a second guide square tube (530), and the second guide square tube (530) is inclined and the tube mouth passes through the middle of the corresponding square frame (610) toward the top of the second transmission belt (410); A plurality of negative pressure fans (540) are installed below the connection point between the two first guide square tubes (510), and the negative pressure fans (540) are directed toward the top of the first transmission belt (310).

5. The negative pressure dust suppression loading and unloading device for a ship loader according to claim 2, characterized in that: The material guiding mechanism (700) comprises a material guiding square tube (710), and L-shaped brackets (730) are fixedly provided on both sides of one end of the material guiding square tube (710), and one end of the L-shaped bracket (730) is rotatably connected to the bottom of the end of the square frame (610) away from the box (200) through a fixed rotating shaft (640); a fixing frame (630) is fixedly provided at the bottom of the end of the square frame (610) away from the box (200), and a hydraulic telescopic rod (650) is fixedly installed on the fixing frame (630); a hinge groove (740) is symmetrically fixedly provided below one end of the material guiding square tube (710), and the telescopic end of the hydraulic telescopic rod (650) is hinged to the corresponding hinge groove (740).

6. A negative pressure dust suppression loading and unloading device for a ship loader according to claim 5, characterized in that: The material guiding square tube (710) is closed at one end away from the square frame (610); a rotating slot (750) is provided through the bottom of the material guiding square tube (710) and a flip plate (760) is provided inside; rotating rods (761) are fixedly provided at the middle of both sides of the flip plate (760); rotating holes (711) are provided on both sides of the material guiding square tube (710); the rotating rods (761) pass through the corresponding rotating holes (711) and are rotatably connected to the rotating holes (711); a protrusion (762) is fixedly provided at the end of the rotating rod (761); a torsion spring (763) is sleeved on the rotating rod (761), and both ends of the torsion spring (763) are respectively fixedly connected to the protrusion (762) and the outer wall of the material guiding square tube (710).

7. A negative pressure dust suppression loading and unloading device for a ship loader according to claim 6, characterized in that: A stopper (751) is fixedly provided on one side of the rotating notch (750) and close to the square frame (610), and the stopper (751) is located below the flip plate (760); an end port of the material guiding square tube (710) and close to the square frame (610) is located on one side of the end of the second transmission belt (410); a baffle (720) is extended from the top of one end of the material guiding square tube (710) and close to the square frame (610), and the baffle (720) is located below the first transmission belt (310).

8. The negative pressure dust suppression loading and unloading device for a ship loader according to claim 1, characterized in that: The pyramid-shaped funnel (210) is vertically arranged on one side close to the first conveyor belt mechanism (300), and the other three side faces are inclined; a through groove (211) is penetrated through one side of the pyramid-shaped funnel (210) away from the first conveyor belt mechanism (300), and the through groove (211) is fixedly connected to the L-shaped tube (220); and the separation net (212) is fixedly arranged on the through groove (211).

9. A negative pressure dust suppression loading and unloading device for a ship loader according to claim 1, characterized in that: A rotating motor (110) is fixedly arranged inside the base (100), and an output end of the rotating motor (110) passes through the base (100) and is fixedly connected to the bottom of the box (200); a door body (230) is installed below a side of the box (200) away from the bracket (600).

10. A transportation method using the negative pressure dust suppression type loading and unloading device for a ship loader according to any one of claims 1 to 9, characterized in that: The steps include: S1. When there are fewer small particles, the first transmission motor (810) is rotated forward and the second transmission motor (820) is rotated reversely to add materials into the pyramid-shaped funnel (210). Large particles are conveyed to the ship's hold by the first transmission belt (310), and small particles are collected in the box (200). S2. When there are many small particles, the first transmission motor (810) and the second transmission motor (820) are rotated forward, and materials are added to the pyramid-shaped funnel (210). The large particles are conveyed to the ship compartment by the first transmission belt (310), and the small particles are conveyed to the material guide mechanism (700) by the second transmission belt (410), and then are collectively conveyed to the ship compartment; S3. The fan of the negative pressure mechanism (500) is intermittently started so that the materials can be further separated and transported during transportation; the hydraulic telescopic rod (650) is adjusted according to the depth of the ship's hold to rotate the material guide mechanism (700) so that the falling height of the small particles of materials becomes lower.

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