CN210365499U

CN210365499U - V-shaped air cushion type conveyor

Info

Publication number: CN210365499U
Application number: CN201921045653.6U
Authority: CN
Inventors: 王宇; 谷瑞斯; 赵星星
Original assignee: Jiangsu Guruis Mechanical And Electrical Engineering Co ltd
Current assignee: Jiangsu Guruis Mechanical And Electrical Engineering Co ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-04-21
Anticipated expiration: 2029-07-05

Abstract

A V-shaped air cushion conveyor is characterized by comprising a machine head assembly, a middle section assembly and a machine tail assembly which are sequentially connected, wherein air chambers which are mutually communicated in a sealing manner are respectively arranged in the machine head assembly, the middle section assembly and the machine tail assembly, and orifices are arranged at the tops of the air chambers; the air chamber of the middle section assembly is of a V-shaped structure formed by a disc groove plate and a V-shaped bottom plate at the top, and the surface of the disc groove plate is of a downward-sunken arc-shaped structure. The utility model has the advantages as follows: the original roller rolling friction is changed into fluid friction taking air as a medium, so that the energy consumption of equipment is greatly reduced; in the operation engineering, the conveying belt always stably moves forwards, and the material loading capacity is high; the conveying belt is not deviated and abraded, and the service life is long; the hidden danger of roller damage is avoided, the fault point is reduced, the maintenance frequency is reduced, the number of spare parts is reduced, and the maintenance cost is greatly reduced.

Description

V-shaped air cushion type conveyor

Technical Field

The utility model relates to a V type air cushion conveyor is applicable to the long distance transport technical field of likepowder, graininess and the bulk material of fritter.

Background

A carrier roller type belt conveyor (hereinafter referred to as carrier roller belt conveyor) is a common general conveyor in the market at present, is mainly used for long-distance conveying, is a single-machine or multi-machine combined conveying system, is used for horizontal or certain-range inclined angle conveying of powdery, granular and small blocky materials, and is widely applied to industries such as grain, coal, electric power, metallurgy, chemical industry, machinery, light industry, harbors and the like.

The following some outstanding problems exist at present bearing roller belt feeder in the use:

1) the number of the carrier roller groups is large, the number of fault points is large (the carrier roller bearing is damaged, the carrier roller is abraded, and the like), and the maintenance cost is high;

2) belt conveyors of this type are typically open or semi-open at the point of use. The bearing section can not be completely sealed, and can not fundamentally prevent rain and suppress dust.

3) When the carrier roller belt conveyor runs, the conveyor belt runs forwards in a wave mode, materials are seriously jolted, the rubber belt is greatly deviated and abraded, and the service life is short.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the not enough of above-mentioned prior art, provide a V type air cushion conveyor.

The utility model aims at realizing through the following technical scheme:

a V-shaped air cushion conveyor is characterized in that an air chamber of a middle section assembly of the conveyor is of a V-shaped structure formed by a disc groove plate at the top and a V-shaped bottom plate, and the surface of the disc groove plate is of a downward-concave arc structure; this interlude subassembly bottom is equipped with the support frame subassembly, be equipped with the dish groove bracket assembly that matches with V type bottom plate on the support frame subassembly, this dish groove bracket assembly is equipped with the V type installing port that matches with V type bottom plate, is convenient for support the V type bottom plate of air chamber.

Preferably, the top of the air chamber of the middle section assembly is provided with a cover plate or a cover belt structure.

Preferably, this cover area structure includes the flexible face of sheltering from, support skeleton and the counter weight structure of the left and right sides, flexible face of sheltering from links to each other with the conveyer frame through the support skeleton, on the flexible face of sheltering from of the left and right sides was arranged respectively in to the counter weight structure, the counter weight structure made the flexible face of sheltering from of both sides closed in butt joint under the action of gravity.

Preferably, a transition section assembly is arranged between the middle section assembly and the head assembly and between the middle section assembly and the tail assembly, the transition section assembly comprises a transition air chamber, one end of the transition air chamber is connected with the middle section of the air cushion machine, and the other end of the transition air chamber is connected with the head or the tail; the transition air chamber comprises a disc groove plate which is arranged at the top of the transition air chamber and is provided with a throttling hole, and the surface of the disc groove plate is formed by smoothly transitioning a cambered surface with one end concave downwards to a plane structure with the other end; one end of the arc surface of the disc slot plate is connected with the middle section of the air cushion machine, and one end of the plane structure is connected with the machine head or the machine tail.

Preferably, the width of the disc groove plate of the transition air chamber gradually increases from one end of the cambered surface to the other end of the planar structure, the disc groove plate is arranged in an upward inclined manner, and one end of the planar structure of the disc groove plate is higher than one end of the cambered surface.

Preferably, the machine head assembly comprises a machine head shell, the machine head shell is provided with a material feeding end and a material discharging hole, a roller for changing the direction of the conveying belt is arranged at the material feeding end in the machine head shell, a material gathering structure is arranged in the machine head shell, and the material gathering structure comprises a movable material baffle plate, a material baffle plate adjusting shaft and a locking nut; the movable striker plate is an arc-shaped plate and is arranged in the cavity of the machine head shell, and the inner arc surface of the movable striker plate faces the roller; the upper portion of the outer arc surface of the movable material baffle is rotationally connected with the side wall of the nose shell, the lower portion of the outer arc surface of the movable material baffle is rotationally connected with one end of the material baffle adjusting shaft, and the other end of the material baffle adjusting shaft penetrates out of the nose shell and is in threaded connection with the locking nut.

Preferably, the tail part of the conveyor is provided with a tensioning mechanism, the tensioning mechanism comprises a supporting frame and two hydraulic cylinders, the tail part of the conveyor is arranged in the supporting frame, and two side surfaces of the supporting frame are respectively provided with a pair of horizontally arranged and mutually parallel cross beams; two ends of a rotating shaft of the conveyor tail roller respectively penetrate through a tail shell and are arranged between a pair of corresponding cross beams through bearings, and strip-shaped sliding grooves for the horizontal displacement of the rotating shaft are respectively formed in two side walls of the tail shell; the end of the tail roller is respectively provided with a hydraulic cylinder, the hydraulic cylinders are horizontally arranged between a pair of cross beams, and the telescopic ends of the hydraulic cylinders are connected with the outer bearing seats at the ends of the rollers; the two hydraulic cylinders respectively support the bearings at the two ends of the rotating shaft, so that the conveying belt is in a tensioning state.

The utility model discloses in design into V type structure with the air chamber bottom plate of interlude subassembly, be convenient for and current bearing roller formula belt conveyor replacement, at current belt conveyor erection site, the bearing roller is gone up in the cancellation, replaces with the similar V type air chamber of outer shape and dish groove bracket assembly.

When air with certain pressure and flow is provided for the air chamber by an air source (equipment with a fan system), the air in the air chamber overflows through a throttling hole on the disc groove, and an air film (called an air cushion) with certain pressure is formed between the conveying belt (upper side belt) and the disc groove to support the conveying belt and upper materials of the conveying belt. When the head main power rotates, the conveying belt is driven to slide on the air film, and conveying of materials is achieved. Therefore, the rolling friction of the original carrier roller belt conveyor is changed into fluid friction taking air as a medium, the running resistance is reduced, and a plurality of excellent points are brought. The utility model is suitable for all application fields of the original roller belt conveyor; the method is particularly suitable for the transformation of the original roller type belt conveying, and has the advantages of low transformation cost, short period and the like.

The utility model has the advantages as follows:

1) the original roller rolling friction is changed into fluid friction taking air as a medium, so that the running resistance of the equipment is small, and the energy consumption of a host is low;

2) in the operation engineering, the air cushion conveyor belt always stably runs forwards, and the bearing capacity is high; the conveying belt is not deviated and abraded, and the service life is long;

3) the air cushion machine has no hidden danger of roller damage, few fault points, low maintenance frequency, basically no need of spare parts and greatly reduced maintenance cost;

4) simple structure, reliability, rain-proof, dust suppression and strong environmental adaptability.

Drawings

Fig. 1 is a schematic structural diagram (cover plate structure) of the present invention;

fig. 2 is a schematic structural diagram (cover tape structure) of the present invention;

FIG. 3 is a schematic view of the air chamber structure of the middle section assembly of the present invention;

FIG. 4 is a schematic structural view of a support frame assembly and a tray bracket assembly at the bottom of the middle section assembly of the present invention;

FIG. 5 is a schematic view of the cover tape structure of the present invention;

FIG. 6 is a side view of FIG. 5;

FIG. 7 is an enlarged view of portion I of FIG. 6;

FIG. 8 is a schematic view of the cover tape structure of the present invention (with rain-blocking structure);

FIG. 9 is an enlarged view of section II of FIG. 8;

FIG. 10 is a side view of FIG. 8;

FIG. 11 is an enlarged view of section III of FIG. 10;

fig. 12 is a schematic structural view of a middle transition section assembly according to the present invention;

FIG. 13 is a schematic view of the structure of FIG. 12 with the transition cover removed;

FIG. 14 is a side view of FIG. 12;

fig. 15 and 16 are external schematic views of the head gathering structure of the present invention;

fig. 17 is a cross-sectional view of the head gathering structure of the present invention;

fig. 18 and 19 are schematic structural views of the movable striker plate of the present invention;

fig. 20 and 21 are schematic views of the tail tensioning structure of the present invention;

FIG. 22 is an internal schematic view of FIG. 20;

FIG. 23 is an enlarged partial view of FIG. 20;

in the figure: 1, a machine head assembly, 2 a middle section assembly, 3 a machine tail assembly, 4 throttling holes, 5 air chambers, 6 a disk groove plate of the middle section assembly, 7V-shaped bottom plates, 8 lower supporting rollers, 9 supporting frame assemblies, 10 disk groove bracket assemblies, 11V-shaped mounting holes, 12 cover plates of the middle section assembly, 13 covering belts and 14 fan systems;

15 flexible shielding surfaces, 16 inner lining plates, 17 through pressure plates, 18 weight plates, 19 weight plate supporting plates, 20 weight plate bodies, 21 bending parts of the weight plates, 22 weight blocks, 23 rain shielding plates, 24 pressure plates, 25 pressing parts and 26 rain shielding parts;

27 transition section component, 28 transition air chamber, 29 transition air chamber disc groove plate, 30 transition air chamber disc groove plate arc surface end, 31 transition air chamber disc groove plate plane structure end, 32 transition cover plate, 33 transition cover plate V-shaped surface end, 34 transition cover plate plane structure end;

35 a machine head shell, 36 a material inlet end, 37 a material outlet, 38 a movable material baffle, 39 a material baffle adjusting shaft, 40 a locking nut, 41 a fixed lifting lug, 42 a material baffle supporting shaft, 43 a bearing, 44 a baffle of the movable material baffle, 45 a roller, 46 an adjusting lifting lug and 47 an observation door;

48 supporting frames, 49 hydraulic cylinders, 50 hydraulic tanks, 51 cross beams, 52 rotating shafts, 53 bearing outer seats, 54 strip-shaped sliding grooves, 55 connecting pieces, 56 clamping grooves and 57 tail shells.

Detailed Description

Example 1

As shown in fig. 1-4, a V-shaped air cushion conveyor comprises a head assembly 1, a middle section assembly 2 and a tail assembly 3 which are connected in sequence, air chambers which are mutually sealed and communicated are respectively arranged in the head assembly, the middle section assembly and the tail assembly, and orifices 4 are arranged at the tops of the air chambers.

The air chamber 5 of the middle section assembly is of a V-shaped structure formed by a disc groove plate 6 at the top and a V-shaped bottom plate 7, and the surface of the disc groove plate 6 is of an arc structure which is concave downwards.

The middle section assembly bottom is equipped with the support frame subassembly 9 that has snub pulley 8, is equipped with the dish groove bracket assembly 10 that matches with V type bottom plate on the support frame subassembly, and this dish groove bracket assembly is equipped with the V type installing port 11 that matches with V type bottom plate, is convenient for support the V type bottom plate of air chamber. The top of the air chamber of the middle section assembly is provided with a cover plate 12 or a cover belt 13 structure.

The air chamber bottom plate of the middle section assembly is designed into a V-shaped structure, so that the middle section assembly can be conveniently replaced by the existing roller type belt conveyor.

The conveyer belt includes upper band, lower band, and the air chamber is used for supporting the upper band, and the snub pulley is used for supporting the lower band. When the air source (the equipment with the fan system 14) provides air with certain pressure and flow into the air chamber, the air in the air chamber overflows through the throttling holes on the disc grooves, and a layer of air film (called air cushion) with certain pressure is formed between the conveying belt (the upper side belt) and the disc grooves to support the conveying belt and the upper materials of the conveying belt. When the head part rotates by main power, the conveying belt is driven to slide on the air film, so that the conveying of materials is realized; the lower side belt of the conveying belt is in contact with the lower carrier roller. Therefore, the rolling friction of the original carrier roller belt conveyor is changed into fluid friction taking air as a medium, the running resistance is reduced, and a plurality of excellent points are brought.

Example 2

On the basis of example 1, the cover belt structure of the middle section assembly was improved.

As shown in fig. 5-7, the covering belt structure includes a flexible shielding surface 15 on the left and right sides, a supporting frame, and a counterweight structure, the flexible shielding surface is connected to the conveyor frame through the supporting frame, the counterweight structure is respectively disposed on the flexible shielding surfaces on the left and right sides, and the counterweight structure closes the flexible shielding surfaces on the two sides at the butt joint under the action of gravity.

The supporting framework comprises an inner lining plate 16 and a through pressing plate 17, the inner lining plate and the through pressing plate are arranged along the length direction of the flexible shielding surface, the side edge of the inner lining plate is fixedly connected with the conveyor rack, the bottom edge of the flexible shielding surface covers the corresponding inner lining plate, and the through pressing plate is pressed on the flexible shielding surface and matched with the inner lining plate to clamp and fix the corresponding flexible shielding surface together.

The counterweight structure comprises a plurality of counterweight plates 18 and counterweight plate supporting plates 19 which are arranged at intervals, and each counterweight plate is composed of a counterweight plate body 20 and a bending part 21 arranged at the end part of the counterweight plate body; the weight plate is arranged along the width direction of the flexible shielding surface, the bending part of the weight plate extends to the top edge of the flexible shielding surface, and the weight plate body and the weight plate supporting plate are arranged in pairs and jointly clamp and fix the corresponding flexible shielding surface; the positions of the balance weight plates on the left side and the right side correspond to each other, and the two bending parts at the corresponding positions enable the top edges of the flexible shielding surfaces on the two sides to be pressed. The counterweight plate is provided with a counterweight block 22 which is arranged on the upper side.

As shown in fig. 8-11, the joint of the left and right flexible shielding surfaces is provided with a rain shielding structure, which comprises a rain shielding plate 23 and a pressing plate 24; the pressing plate is arranged along the length direction of the top edge of one flexible shielding surface, and the bending part of the balancing weight at the corresponding position is pressed against and fixes the pressing plate; the rain shield comprises a pressing part 25 and a rain shielding part 26, the pressing part is arranged along the length direction of the top edge of the other flexible shielding surface and corresponds to the position of the pressing plate, and the rain shielding part is arranged above the joint of the two flexible shielding surfaces. The rain baffle and the pressing plate are of sectional structures arranged in pairs.

The cover band structure fixes the corresponding shielding surface on the sheet metal part (frame) at the middle section of the conveyor through the inner lining plate and the through pressing plate, and the top joint of the left shielding surface and the right shielding surface is fixed and pressed tightly by the bending part of the counterweight plate through screws. When berthhing the bank because of the ship, insert the top combination department of sheltering from the face about the feed inlet, can be according to the far and near distance removal feed inlet position that the ship berthhed, moving direction is along the normal direction of cover area, and the sheltering from face of track part after the removal can be closed automatically because of the effect of counter weight structure, and adds the rain-proof effect of weather shield.

The cover belt structure solves the problem of fixing the position of the feed inlet of the existing cover plate structure, has simple and reliable structure, can prevent rain, can also suppress dust, and has strong environmental adaptability.

Example 3

On the basis of the embodiment 1 or 2, a transition section assembly 27 is additionally arranged between the middle section assembly and the head assembly and the tail assembly.

As shown in fig. 12-14, using a single-chamber air cushion machine, the transition section assembly includes a transition chamber 28 having one end flanged to the middle section of the air cushion machine and the other end flanged to the head or tail. The transition air chamber comprises a disc groove plate 29 which is arranged at the top of the transition air chamber and is provided with a throttling hole 4, and the surface of the disc groove plate is formed by smoothly transitioning a cambered surface 30 with one end concave downwards to a plane structure 31 with the other end; one end of the cambered surface of the disc slot plate is connected with the middle section of the air cushion machine, and one end of the plane structure is connected with the machine head or the machine tail. The width of the disc groove plate is gradually increased from one end of the cambered surface to the other end of the plane structure, the disc groove plate is arranged in an upward inclined mode, and one end of the plane structure of the disc groove plate is higher than one end of the cambered surface of the disc groove plate.

The top of the tray plate is provided with a transition cover plate 32, the surface of the transition cover plate is formed by smoothly transiting a V-shaped surface 33 with one end protruding upwards to a plane structure 34 with the other end, and the width of the transition cover plate is gradually increased from one end of the cambered surface to the other end of the plane structure; one end of the cambered surface of the transition cover plate is connected with the middle section of the air cushion machine, and one end of the plane structure is connected with the machine head or the machine tail.

The bottom of the transition air chamber is provided with a lower carrier roller support frame with a plurality of lower carrier rollers, the length and the height of the lower carrier rollers are adapted to the size change of the disc trough plate, and the lower carrier roller is gradually lengthened and heightened from one end connected with the middle section of the air cushion machine to one end connected with the tail of the air cushion machine. During the use, the transition air chamber is used for supporting the upper edge area of conveyer belt, and the snub pulley is used for supporting the lower edge area of conveyer belt.

Typically, the air cushion pan slots are designed to be "U" shaped to load as much material as possible, while the end-to-end turntables are all "one" shaped. The transition air chamber can realize the conversion of the conveyer belt between the I shape and the U shape, orifices are arranged on the plate groove plate according to a certain rule, and the transition air chamber is connected with the conveying section air chamber. When the air-film forming machine works, the transition air chamber and the conveying section air chamber keep the same air pressure, air flow is discharged from the throttling hole to form an air film to support the conveying belt, and the conveying belt slides on the air film to complete forming conversion at the same time.

The conveyor belt is in profile transition (namely the groove plates of the transition air chamber disc are obliquely arranged, the height of the groove plates gradually rises, and the profile transition is formed by the surfaces with gradually changed width and smooth transition), so that the conveyor belt is free from contact abrasion and local extension, and the service life of the belt is prolonged; the material flows more stably, does not leak the material, spills the material risk.

Example 4

On the basis of the

embodiment

1, 2 or 3, a head aggregate structure is additionally arranged in the machine head assembly.

As shown in fig. 15-19, the head gathering structure includes a handpiece housing 35 and a gathering structure. The machine head shell is provided with a material inlet end 36 and a material outlet 37, is a shell with a cavity and formed by connecting an upper shield assembly and a lower shield assembly, and is internally provided with a roller 45 for changing direction of a conveying belt at the material inlet end. The gathering structure comprises a movable striker plate 38, a striker plate adjusting shaft 39 and a locking nut 40.

The movable material baffle is an arc-shaped plate and is arranged in the cavity of the machine head shell, the inner arc surface of the movable material baffle faces the material end, and two side walls of the movable material baffle are respectively provided with a baffle 44. The inner arc surface of one end of the movable baffle plate faces the material feeding end, and the other end of the movable baffle plate extends to the material outlet.

The upper part of the outer side surface of the movable striker plate is provided with a fixed lifting lug 41 which is rotatably connected with the side wall of the nose shell through a striker plate support shaft 42. Two ends of the striker plate supporting shaft are connected with the side wall of the nose shell through bearings 43.

An adjusting lug 46 is arranged on the lower portion of the outer side face of the movable striker plate, and one end of the striker plate adjusting shaft is rotatably connected with the adjusting lug. The other end of the striker plate adjusting shaft penetrates out of the machine head shell and is in threaded connection with the locking nut.

The aircraft nose casing still is equipped with observation door 47, is convenient for observe the inside operating mode of aircraft nose casing, especially can set up the observation door that can observe movable striker plate position at aircraft nose casing lateral wall.

When using, the material breaks away from the conveyer belt and throws out, gets into promptly before scattering the utility model discloses a material structure is gathered to the head, forms the stock column and gathers the curved surface (in the same direction as arc striker plate intrados) whereabouts of expecting the structure along the head and to the discharge gate. The material receiving angle of the movable striker plate can be adjusted according to the characteristics and the belt speed of materials, and the specific operation method comprises the following steps: and loosening the locking nut, pulling the movable striker plate through the striker plate adjusting shaft to enable the movable striker plate to reach a proper angle, and fixing the striker plate adjusting shaft through the locking nut.

The head gathering structure is suitable for discharging the head of all belt conveyors, and has the following beneficial effects:

1) the structural size of the head of the belt conveyor is optimized, so that the overall layout of equipment is facilitated, and the equipment cost is reduced;

2) the materials thrown off from the conveying belt are collected into a continuous material column, so that the dust concentration is reduced;

3) the thrown materials are collected through the material collecting structure to form a continuous material column, so that the impact of the materials on other parts of the machine head is avoided, the abrasion is reduced, and the material crushing rate is reduced;

4) the structure is simple and reliable, and the collection angle can be adjusted according to the characteristics of the materials;

5) the material is collected inside, and the external collecting hopper is not needed during installation, so that the installation space is saved.

Example 5

On the basis of the

embodiments

1, 2, 3 or 4, a tail tensioning structure is additionally arranged at the tail assembly.

The tail tensioning structure comprises a support frame 48, two hydraulic cylinders 49, and a hydraulic tank 50 connected to the hydraulic cylinders (providing a power source for the hydraulic cylinders), and the tail is arranged in the support frame.

The two side faces of the supporting frame are respectively provided with a pair of horizontal beams 51 which are parallel to each other. The two ends of the rotating shaft 52 of the conveyor belt at the tail respectively penetrate through a tail shell 57 and are arranged between a pair of corresponding beams through bearings, and strip-shaped sliding grooves 54 for horizontal displacement of the rotating shaft are respectively arranged on the two side walls of the tail shell.

A pair of beams is provided with a hydraulic cylinder which is horizontally arranged between the pair of beams, and the telescopic end of the hydraulic cylinder is connected with the corresponding bearing outer seat 53.

The output shaft of the hydraulic cylinder is connected with the bearing outer ring at the corresponding position through a connecting piece 55, the upper end and the lower end of the connecting piece are respectively provided with a clamping groove 56, and the clamping grooves are of U-shaped structures and are convenient for the corresponding cross beam to be placed and slide.

The utility model discloses a two pneumatic cylinders withhold the bearing outer bearing at tail cylinder pivot both ends respectively, make the conveyer belt be in the tensioning state all the time, after the conveyer belt relaxes, pneumatic cylinder automatic compensation, the drive pivot is to the removal of following bar spout, tensioning conveyer belt backward.

Before equipment opens, start hydraulic system, pneumatic cylinder work, its flexible end drive connecting piece, the connecting piece slides between two crossbeams through its draw-in groove, and the bearing outer race antedisplacement that corresponds is ordered about to the connecting piece front end, drives the cylinder pivot forward slip in the bar spout then, realizes the conveyer belt tensioning. After the conveying belt extends, the hydraulic cylinder automatically compensates the extension stroke, so that the conveying belt is always in a tensioning state, and the normal work of the belt conveyor is ensured. The length of the strip-shaped sliding grooves on the two sides of the tail shell determines the tensioning stroke of the conveying belt. After the equipment is shut down, the hydraulic system stops working, the hydraulic cylinder is recovered, the conveying belt is loosened, and forced extension in a non-working state is avoided.

Example 6

A V-shaped air cushion conveyor is simultaneously provided with a middle section assembly, a head assembly, a tail assembly, a transition section assembly, a head material gathering structure, a tail tensioning mechanism and a cover belt structure, and the working method of the V-shaped air cushion conveyor is as follows:

1) when the material enters the head assembly

The material breaks away from the conveyer belt and throws out, gets into the head promptly before scattering and gathers the material structure, forms the discharge gate that the material post falls to the aircraft nose casing along the curved surface (following arc striker plate intrados) that the head gathered the material structure. The material receiving angle of the movable striker plate can be adjusted according to the characteristics and the belt speed of materials, and the specific operation method comprises the following steps: and loosening the locking nut, pulling the movable striker plate through the striker plate adjusting shaft to enable the movable striker plate to reach a proper angle, and fixing the striker plate adjusting shaft through the locking nut.

2) The material enters the middle section component from the machine head component (namely passing through the transition air chamber of the machine head)

When the air-film forming machine works, the transition air chamber and the conveying section air chamber keep the same air pressure, air flow is discharged from the throttling hole to form an air film to support the conveying belt, and the conveying belt slides on the air film to complete forming conversion at the same time.

The conveyer belt profile modeling transition (the slope of transition air chamber dish frid is arranged, and the height rises gradually, and the surface of width gradual change and rounding off constitutes the profile modeling transition in addition), and this transition air chamber can realize the conveyer belt and change between "one" type (head bend drum) and "U" type (middle conveying section), and sets up the orifice according to certain law on the dish frid, and the transition air chamber is connected with interlude subassembly air chamber.

3) Material gets into interlude subassembly

When berthhing the bank because of the ship, insert the top combination department of left and right sides sheltering from the face with the feed inlet, can be according to the far and near distance removal feed inlet position that the ship berthhed, moving direction is along the normal direction in cover area, and the sheltering from the face of track part after the removal can be closed automatically because of the effect of counter weight structure, and adds the rain-proof effect of weather shield, solves the feed inlet rigidity problem of current apron structure, can rain-proof, also can press down dirt.

4) The material enters the tail assembly from the middle section assembly (passing through the tail transition air chamber)

The same step 2) is carried out, when the air conditioner works, the transition air chamber and the conveying section air chamber keep the same air pressure, air flow is discharged from the throttling hole to form an air film to support the conveying belt, the conveying belt slides on the air film, and meanwhile, forming conversion is completed;

the conveyer belt profile modeling transition (that is, the transition air chamber dish frid slope is arranged, and the height rises gradually, and the surface of adding width gradual change and rounding off constitutes profile modeling transition), this transition air chamber can realize the conveyer belt and change between "U" type (middle conveying section) and "one" type (afterbody driven roll), and set up the orifice according to certain law on the frid, the transition air chamber is connected with tail subassembly air chamber.

5) Belt tensioning

Before equipment opens, start hydraulic system, pneumatic cylinder work, its output shaft drive connecting piece, the connecting piece slides between two crossbeams through its draw-in groove, and the connecting piece front end orders about corresponding bearing antedisplacement, drives the pivot forward slip in the bar spout then, realizes the conveyer belt tensioning. After the conveying belt extends, the hydraulic cylinder automatically compensates the extension stroke, so that the conveying belt is always in a tensioning state, and the normal work of the belt conveyor is ensured. The length of the strip-shaped sliding grooves on the two sides of the tail shell determines the tensioning stroke of the conveying belt. After the equipment is shut down, the hydraulic system stops working, the hydraulic cylinder is recovered, the conveying belt is loosened, and forced extension in a non-working state is avoided.

Claims

1. A V-shaped air cushion conveyor is characterized in that an air chamber of a middle section assembly of the conveyor is of a V-shaped structure formed by a disc groove plate at the top and a V-shaped bottom plate, and the surface of the disc groove plate is of a downward-concave arc structure; this interlude subassembly bottom is equipped with the support frame subassembly, be equipped with the dish groove bracket assembly that matches with V type bottom plate on the support frame subassembly, this dish groove bracket assembly is equipped with the V type installing port that matches with V type bottom plate, is convenient for support the V type bottom plate of air chamber.

2. A V-shaped air cushion conveyor as claimed in claim 1 wherein the top of the air chamber of said intermediate section assembly is provided with a cover plate or cover belt structure.

3. A V-shaped air cushion conveyor as claimed in claim 2 wherein the cover strip structure includes left and right flexible masking surfaces connected to the conveyor frame by the support frame, a support frame, and a counterweight structure disposed on the left and right flexible masking surfaces, respectively, the counterweight structure closing the flexible masking surfaces at the interface under the influence of gravity.

4. The V-shaped air cushion conveyor according to claim 1 wherein a transition section assembly is provided between said intermediate section assembly and said head assembly and tail assembly, said transition section assembly including a transition air chamber having one end connected to the intermediate section of the air cushion machine and the other end connected to the head or tail; the transition air chamber comprises a disc groove plate which is arranged at the top of the transition air chamber and is provided with a throttling hole, and the surface of the disc groove plate is formed by smoothly transitioning a cambered surface with one end concave downwards to a plane structure with the other end; one end of the arc surface of the disc slot plate is connected with the middle section of the air cushion machine, and one end of the plane structure is connected with the machine head or the machine tail.

5. A V-shaped air cushion conveyor as claimed in claim 4 wherein the width of the plate trough of the transition chamber increases from one end of the curved surface to the other end of the planar structure, the plate trough being disposed in an upwardly inclined configuration with one end of the planar structure of the plate trough being higher than the one end of the curved surface.

6. The V-shaped air cushion conveyor according to claim 1, wherein the head assembly of the conveyor comprises a head housing, the head housing is provided with a material inlet end and a material outlet, a roller for redirecting the conveyor belt is arranged at the material inlet end in the head housing, a material gathering structure is arranged in the head housing, and the material gathering structure comprises a movable material baffle, a material baffle adjusting shaft and a locking nut; the movable striker plate is an arc-shaped plate and is arranged in the cavity of the machine head shell, and the inner arc surface of the movable striker plate faces the roller; the upper portion of the outer arc surface of the movable material baffle is rotationally connected with the side wall of the nose shell, the lower portion of the outer arc surface of the movable material baffle is rotationally connected with one end of the material baffle adjusting shaft, and the other end of the material baffle adjusting shaft penetrates out of the nose shell and is in threaded connection with the locking nut.

7. The V-shaped air cushion conveyor according to claim 1, wherein the conveyor tail is provided with a tensioning mechanism, the tensioning mechanism comprises a supporting frame and two hydraulic cylinders, the conveyor tail is arranged in the supporting frame, and two lateral surfaces of the supporting frame are respectively provided with a pair of horizontally arranged and mutually parallel cross beams; two ends of a rotating shaft of the conveyor tail roller respectively penetrate through a tail shell and are arranged between a pair of corresponding cross beams through bearings, and strip-shaped sliding grooves for the horizontal displacement of the rotating shaft are respectively formed in two side walls of the tail shell; the end of the tail roller is respectively provided with a hydraulic cylinder, the hydraulic cylinders are horizontally arranged between a pair of cross beams, and the telescopic ends of the hydraulic cylinders are connected with the outer bearing seats at the ends of the rollers; the two hydraulic cylinders respectively support the bearings at the two ends of the rotating shaft, so that the conveying belt is in a tensioning state.