CN114590599A

CN114590599A - Pneumatic ash conveying valve

Info

Publication number: CN114590599A
Application number: CN202210317455.0A
Authority: CN
Inventors: 张寿根
Original assignee: Zhejiang Gute Pneumatic Machinery Co ltd
Current assignee: Zhejiang Gute Pneumatic Machinery Co ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-06-07
Anticipated expiration: 2042-03-29
Also published as: CN114590599B

Abstract

The invention discloses a pneumatic ash conveying valve, which relates to the field of application of pneumatic ash conveying valves and solves the problem of insufficient adjustment accuracy of pipeline supporting workpieces, and comprises an ash pipe and a first discharge hopper arranged at the side end of the ash pipe, wherein a limiting cylinder is fixedly arranged at the inner side of the ash pipe, a guide pipe is movably embedded at the inner side of the limiting cylinder, and a second discharge hopper is fixedly arranged at the lower end of the guide pipe. The condition that the side end face of the guide pipe and the side end face of the discharge hole II are damaged can be effectively avoided.

Description

Pneumatic ash conveying valve

Technical Field

The invention relates to the field of application of pneumatic ash conveying valves, in particular to a pneumatic ash conveying valve.

Background

The pneumatic ash conveying system uses special ash conveying valve to block flow or switch channel for granular material.

When present ash material is exported from the ash pipe, settle two play hoppers on the ash pipe mostly and export, and put still add on the play hopper of near-end and be equipped with communicating pipe, combination between them can carry the switching process when carrying the ash material, make the ash material discharge through the play hopper of difference, in the ash material transportation process, when the direct assembly that passes through a hopper and communicating pipe switches the ash material flow direction, one side of assembly can receive the washing away of ash material, the rate of movement of ash material under air conveying is fast, when one side of assembly is experienced the washing away of particulate matter for a long time, can cause great wearing and tearing to its side, the condition of sunken unevenness appears in the side that finally leads to the assembly, make appear the clearance between its side and the spacing sleeve, the phenomenon that leads to appearing leaking the ash in-process in later stage takes place, for this reason, we have proposed a pneumatic conveying ash valve.

Disclosure of Invention

The invention aims to provide a pneumatic ash conveying valve which prevents the side edge of a discharge hopper and communicating pipe assembly from being damaged due to ash scouring, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a pneumatic ash conveying valve comprises an ash pipe and a first discharge hopper arranged at the side end of the ash pipe, wherein a limiting cylinder is fixedly arranged on the inner side of the ash pipe, a guide pipe is movably embedded in the inner side of the limiting cylinder, a second discharge hopper is fixedly arranged at the lower end of the guide pipe, an installation table is fixedly arranged on the outer side of the ash pipe, a motor is fixedly arranged at the upper end of the installation table through a support, a fixed shaft is fixedly arranged on the outer side of the limiting cylinder, the fixed shaft movably penetrates through the guide pipe, a spring six is arranged on the outer side of the fixed shaft corresponding to the lower end of the guide pipe, a push rod is fixedly arranged at the upper end of the guide pipe, and the push rod is movably embedded with the limiting cylinder; the flow choking mechanism can carry out flow choking on ash when the discharge hopper II and the guide pipe are switched and is arranged at the side end of the limiting cylinder, and the outer side of the limiting cylinder is provided with the ash removal mechanism; the switching mechanism which can accurately move the flow blocking mechanism is arranged at the lower end of the mounting table, and the discharge hopper II and the guide pipe move up and down in the limiting barrel so as to change the flow direction of ash.

Preferably, the choker constructs including fixed mounting in the inboard cover frame of ash pipe, just the upper end fixed mounting of cover frame has the slide bar, the ejector pin seat has been cup jointed in the outside activity of slide bar, just the ejector pin seat with install spring one between the cover frame, the lower extreme fixed mounting of ejector pin seat has the spoiler, the inboard of cover frame has been seted up and has been accomodate the groove, just the spoiler with accomodate groove activity gomphosis, the bottom of spoiler with the inner wall activity laminating of ash pipe, the piece of scraping is installed in the outside of spoiler, when the spoiler stretches out from the inside of accomodating the groove and inlays with ash pipe, alright carry out the choker to the ash material in the inside transport of ash pipe.

Preferably, strike off the piece including being the symmetry arrange the activity inlay in the inside two sets of slides of cover frame, the arc wall has been seted up to the inboard of slide, just the arc wall with spoiler activity gomphosis, the inboard fixed mounting of cover frame has two sets of optical axes, just the optical axis activity run through in the slide, the slide is kept away from spring five is installed to the one end of spoiler, and when the spoiler moved down, two sets of slides received great extrusion force and just can expand to both sides, compress spring five, when the spoiler shifts up, under the effect of spring five, the arc limit of arc wall is laminated with the lower extreme cambered surface of spoiler all the time, can scrape the clearance to the ash material granule of terminal surface under adhesion and the spoiler, prevents that the ash material from entering into to accomodating the inslot.

Preferably, the ash removing mechanism comprises an extending cylinder fixedly installed at the right side end of the limiting cylinder, a guide pipe is communicated between the left side end of the limiting cylinder and the ash pipe, a piston disc is embedded in the inner side of the extending cylinder in a movable manner, a connecting rod is fixedly installed at the left side end of the piston disc in a movable manner and is embedded in the extending cylinder in a movable manner, a semicircular plate is fixedly installed at the left side end of the connecting rod, a guide rod is fixedly installed at the right side end of the piston disc in a movable manner and penetrates through the extending cylinder in a movable manner, a spring II is installed at one end, far away from the connecting rod, of the piston disc in a movable manner, two groups of air outlet pipes are communicated at the left side end of the extending cylinder, a one-way air nozzle head is installed at the side end of each air outlet pipe, an air inlet pipe is installed below each air outlet pipe, the upper end of the air inlet pipe is communicated with the extending cylinder in a mutually, and the lower end of the air inlet pipe is movably penetrated through the extending cylinder, and the lower port of the air inlet pipe is provided with an air inlet check valve, the inner side of the extension cylinder is provided with a limiting part, and the guide pipe can push the connecting rod through the semicircular plate when moving downwards.

Preferably, the limiting part comprises a through pipe communicated between the extension cylinder and the limiting cylinder, a clamping shaft is movably embedded in the inner side of the piston disc, the upper end of the clamping shaft is movably embedded with the lower port of the through pipe, the lower end of the clamping shaft is provided with a spring IV, the inner side of the limiting cylinder is movably embedded with a round-head top column, the left side end of the round-head top column is movably jointed with the right side end of the guide tube, the right side end of the round-head top column is fixedly provided with a limiting column, the limit post is movably embedded at the inner side of the through pipe, the outer side of the limit post is provided with a spring III, a ball chain is movably embedded in the inner side of the through pipe, the left end of the ball chain is fixedly connected with the limiting post, when the second spring is completely compressed, the clamping shaft can be embedded into the through pipe to limit the piston disc, wherein the ball chain is hollow and made of plastic.

Preferably, the switching mechanism comprises two groups of first gears and second gears which are symmetrically arranged at the lower end of the mounting table, rotating shafts are fixedly arranged at the inner sides of the first gears and the second gears, the upper end of the rotating shaft is movably embedded in the inner side of the mounting table, the lower end face of one group of the first gears distributed at the upper end of the ejector rod seat is fixedly provided with a second arc edge extrusion block, the lower end surface of the other group of the first gears is fixedly provided with a first arc-edge extrusion block, the upper end of the ejector rod seat is movably attached to a second arc-edge extrusion block, the upper end of the push rod is movably attached to the arc-edge extrusion block I, a transmission part is arranged on the outer side of the gear I, and in an initial state, the push rod is tightly attached to the straight edge of the first arc-edge extrusion block, the upper end of the ejector rod seat is close to the arc edge of the second arc-edge extrusion block, and the height of the first arc-edge extrusion block is larger than that of the second arc-edge extrusion block.

Preferably, the transmission part comprises a first transmission belt and a second transmission belt which are correspondingly arranged on the outer sides of the first arc-edge extrusion block and the second arc-edge extrusion block, two groups of first limit teeth are fixedly arranged on the inner side of the first transmission belt, the first transmission belt is in transmission connection with one group of the first gear and the second gear through the first limit teeth, two groups of second limit teeth are fixedly arranged on the inner side of the second transmission belt, the second transmission belt is in transmission connection with the other group of the first gear and the second gear through the second limit teeth, two groups of transmission gears are arranged at the lower end of the mounting table and are correspondingly movably meshed with the first transmission belt and the second transmission belt, a connecting shaft is fixedly arranged at the upper end of each transmission gear and is movably embedded in the inner side of the mounting table, and a transmission belt is arranged between the two groups of connecting shafts through a transmission wheel, the output end of the motor is fixedly connected with one of the connecting shafts, the outer sides of the first gears are movably sleeved with a first auxiliary sleeve frame, the second gears and the second transmission gears are movably sleeved with a second auxiliary sleeve frame, the first auxiliary sleeve frame and the second auxiliary sleeve frame are fixedly connected with the mounting table through straight rods, the motor enables the two sets of transmission gears to rotate in the same direction through the matching of the connecting shafts and the transmission belts, and the first transmission belts and the second transmission belts are enabled to synchronously rotate in the same direction through the meshing of the transmission gears and the outer teeth of the first transmission belts and the second transmission belts.

Preferably, the right port of the guide pipe and the left port of the extension cylinder are concentric with the guide pipe, and the inner diameters of the guide pipe and the extension cylinder are consistent, so that ash left in the guide pipe can effectively flow back to the interior of the ash pipe through the guide pipe.

Preferably, the radius of button head support pillar is greater than the diameter of ball chain for when the button head support pillar completely retracted to the inside of a spacing section of thick bamboo, its displacement size can be greater than the diameter of ball chain, makes the bottom of ball chain can be effectual ejecting with the card axle.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, through the matching of the flow resisting mechanism and the switching structure, in the process of changing the flow direction of the ash material through the positions of the movable discharge hopper II and the guide pipe, the motor enables the first driving belt and the second driving belt to rotate in the same direction, the first arc edge limiting block firstly extrudes the ejector rod seat, so that the flow resisting plate resists flow to the ash pipe, the second arc edge extrusion block can extrude the push rod after the ash material is resisted, so that the guide pipe moves downwards, at the moment, the left side ends of the guide pipe and the discharge port II are moved downwards, so that the left side ends of the guide pipe and the discharge port II are not washed by high-speed ash particles, and the condition that the side end surfaces of the guide pipe and the discharge port II are damaged can be effectively avoided.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the construction of the discharge hopper and guide tube of the present invention;

FIG. 3 is a schematic view of a semicircular plate structure according to the present invention;

FIG. 4 is an enlarged view taken at A of FIG. 3 according to the present invention;

FIG. 5 is an enlarged view of the invention at B of FIG. 3;

FIG. 6 is a schematic view of the spoiler in accordance with the present invention;

FIG. 7 is a schematic view of the structure of the slider and the arc-shaped slot of the present invention;

FIG. 8 is a schematic view of another structure of the limiting cylinder according to the present invention;

FIG. 9 is a schematic structural diagram of a first transmission belt, a second transmission belt and a limit tooth according to the present invention;

FIG. 10 is a schematic structural view of a first arc-edge extrusion block and a second arc-edge extrusion block according to the present invention.

In the figure: 1-ash pipe; 2-mounting a platform; 3, a motor; 4-a first discharge hopper; 5-a limiting cylinder; 6-discharging a hopper II; 7-a guide tube; 8-a flow blocking mechanism; 9-a dust cleaning mechanism; 10-a switching mechanism; 11-a transmission member; 12-a limit piece; 13-a scraping element; 14-a frame; 15-a slide bar; 16-a first spring; 17-a jack-post seat; 18-a spoiler; 19-an extension cylinder; 20-pipe passing; 21-a piston disc; 22-a connecting rod; 23-a semicircular plate; 24-spring two; 25-an air outlet pipe; 26-an air inlet pipe; 27-round top post; 28-spring three; 29-a limiting column; 30-ball chain; 31-a chuck shaft; 32-spring four; 33-a receiving groove; 34-a slide seat; 35-optical axis; 36-spring five; 37-an arc-shaped slot; 38-gear one; 39-gear two; 40, driving the belt I; 41-transmission belt II; 42-auxiliary set frame one; 43-auxiliary frame II; 44-a transmission gear; 45-extruding the first arc edge; 46-arc edge extrusion block II; 47-a push rod; 48-a second limit tooth; 49-a fixed shaft; 50-spring six; 51-a draft tube; 52-limit teeth one.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 and 2, a pneumatic ash conveying valve in the figure comprises an ash pipe 1 and a first discharge hopper 4 mounted at the side end of the ash pipe 1, wherein a limiting cylinder 5 is fixedly mounted at the inner side of the ash pipe 1, a guide pipe 7 is movably embedded at the inner side of the limiting cylinder 5, a second discharge hopper 6 is fixedly mounted at the lower end of the guide pipe 7, a mounting table 2 is fixedly arranged at the outer side of the ash pipe 1, a motor 3 is fixedly mounted at the upper end of the mounting table 2 through a bracket, a fixed shaft 49 is fixedly mounted at the outer side of the limiting cylinder 5, the fixed shaft 49 movably penetrates through the guide pipe 7, a sixth spring 50 is mounted at the outer side of the fixed shaft 49 corresponding to the lower end of the guide pipe 7, a push rod 47 is fixedly mounted at the upper end of the guide pipe 7, and the push rod 47 is movably embedded with the limiting cylinder 5; the flow choking mechanism 8 can carry out flow choking on the ash when the discharge hopper II 6 and the guide pipe 7 are switched, the flow choking mechanism 8 is arranged at the side end of the limiting cylinder 5, and the ash removal mechanism 9 is arranged at the outer side of the limiting cylinder 5; the switching mechanism 10 and the switching mechanism 10 capable of accurately moving the flow blocking mechanism 8 are arranged at the lower end of the mounting table 2, and the discharge hopper II 6 and the guide pipe 7 move up and down in the limiting cylinder 5, so that the flow direction of ash can be changed.

Referring to fig. 3 and 6, in the drawings, the flow blocking mechanism 8 includes a sleeve frame 14 fixedly installed at an inner side of the ash pipe 1, a slide rod 15 is fixedly installed at an upper end of the sleeve frame 14, a top rod seat 17 is movably sleeved at an outer side of the slide rod 15, a first spring 16 is installed between the top rod seat 17 and the sleeve frame 14, a flow blocking plate 18 is fixedly installed at a lower end of the top rod seat 17, an accommodating groove 33 is formed at an inner side of the sleeve frame 14, the flow blocking plate 18 is movably embedded with the accommodating groove 33, a bottom of the flow blocking plate 18 is movably attached to an inner wall of the ash pipe 1, a scraping element 13 is installed at an outer side of the flow blocking plate 18, and when the flow blocking plate 18 extends out of the accommodating groove 33 and is embedded with the ash pipe 1, flow blocking of ash materials conveyed inside the ash pipe 1 can be performed.

Referring to fig. 3, 8 and 10, the switching mechanism 10 includes two sets of a first gear 38 and a second gear 39 symmetrically arranged at the lower end of the mounting table 2, the inner sides of the first gear 38 and the second gear 39 are fixedly installed with a rotating shaft, the upper end of the rotating shaft is movably embedded in the inner side of the mounting table 2, the lower end surface of one group of gears 38 distributed at the upper end of the ejector rod seat 17 is fixedly provided with a second arc edge extrusion block 46, the lower end surface of the other group of first gears 38 is fixedly provided with a first arc-edge extrusion block 45, the upper end of the ejector rod seat 17 is movably attached with a second arc-edge extrusion block 46, the upper end of the push rod 47 is movably attached to the arc-edge extrusion block I45, the transmission piece 11 is installed on the outer side of the gear I38, and in an initial state, the push rod 47 is tightly attached to the straight edge of the first arc-edge extrusion block 45, the upper end of the push rod seat 17 is close to the arc edge of the second arc-edge extrusion block 46, and the height of the first arc-edge extrusion block 45 is larger than that of the second arc-edge extrusion block 46.

Referring to fig. 9, in the figure, the transmission member 11 includes a first transmission belt 40 and a second transmission belt 41 which are correspondingly installed on the outer sides of a first arc-edge extrusion block 45 and a second arc-edge extrusion block 46, two sets of first limit teeth 52 are fixedly installed on the inner side of the first transmission belt 40, the first transmission belt 40 is in transmission connection with one set of first gear 38 and second gear 39 through the first limit teeth 52, two sets of second limit teeth 48 are fixedly installed on the inner side of the second transmission belt 41, the second transmission belt 41 is in transmission connection with the other set of first gear 38 and second gear 39 through the second limit teeth 48, two sets of transmission gears 44 are installed at the lower end of the mounting table 2, the transmission gears 44 are correspondingly and movably engaged with the first transmission belt 40 and the second transmission belt 41, a connection shaft is fixedly installed at the upper end of the transmission gears 44, the connection shaft is movably embedded in the inner side of the mounting table 2, the transmission belt is installed between the two sets of connection shafts, the output end of the motor 3 is fixedly connected with one set of the connection shafts, an auxiliary sleeve frame I42 is movably sleeved on the outer side of the first two groups of gears 38, an auxiliary sleeve frame II 43 is movably sleeved between the second gear 39 and the transmission gear 44, the auxiliary sleeve frame I42 and the auxiliary sleeve frame II 43 are fixedly connected with the mounting table 2 through straight rods, the motor 3 enables the two groups of transmission gears 44 to rotate in the same direction through matching of a connecting shaft and a transmission belt, and the transmission gear 44 is meshed with external teeth of the first transmission belt 40 and the second transmission belt 41 to enable the first transmission belt 40 and the second transmission belt 41 to rotate in the same direction synchronously.

The side of preventing out hopper and communicating pipe assembly can not erode the theory of operation that damages because of the ash material: when the ash pipe 1 conveys ash materials under the initial state of the guide pipe 7 and the second discharge hopper 6, the ash materials are output through the second discharge hopper 6, if a user wants to output the ash materials through the first discharge hopper 4, the user starts the motor 3, the motor 3 drives the first transmission gear 44 and the second transmission gear 41 to rotate anticlockwise through the transmission belt, when the first transmission gear 40 and the second transmission gear 41 rotate half a circle simultaneously, the first transmission gear 40 can drive the first gear 38 distributed at the upper end of the second arc edge extrusion block 46 to rotate half a circle through the first limiting gear 52, so that the second arc edge extrusion block 46 pushes the ejector rod seat 17, the spoiler 18 carries out flow blocking treatment on the ash pipe 1, the second limiting gear 48 at the inner side of the second transmission gear 41 is just meshed with the first gear 38 distributed at the upper end of the first arc edge extrusion block 45, when the first transmission gear 40 and the second transmission gear 41 continuously rotate, the first transmission belt 40 cannot drive the second arc edge extrusion block 46 to rotate, namely, the spoiler 18 is still in an extending state, the second transmission belt 41 can drive the first arc-edge extrusion block 45 to rotate for half a turn through the second limit tooth 48, the first arc-edge extrusion block 45 can push the push rod 47 to enable the guide pipe 7 to move downwards to be communicated with the ash pipe 1, when the first transmission belt 40 and the second transmission belt 41 continue to rotate, the second limit tooth 48 is not meshed with the first gear 38, namely the guide pipe 7 is not moved, at the moment, the first limit tooth 52 is meshed with the first gear 38 again to rotate and drive the second arc-edge extrusion block 46 below the first limit tooth to rotate for half a turn, at the moment, the second arc-edge extrusion block 46 does not limit the ejector rod seat 17 any more, the ejector rod seat 17 performs resetting action under the action of the first spring 16, so that the spoiler 18 does not choke the ash pipe 1, and by the above circulation mode, when the positions of the second discharge hopper 6 and the guide pipe 7 need to be switched each time, the spoiler 18 can perform choke treatment on the ash pipe 1 in advance, the side wall of the workpiece of the discharge hopper II 6 and the guide pipe 7 is effectively prevented from being washed by high-speed ash particles, so that side damage is caused and the workpiece cannot be normally used, wherein the number of the first limiting teeth 52 in each group is half of the number of the first gear 38, and the first gear 38 and the second gear 39 are identical in model.

Example 2

Referring to fig. 3, in this embodiment, as further described in embodiment 1, the ash removing mechanism 9 includes an extending cylinder 19 fixedly installed at a right side end of the limiting cylinder 5, a duct 51 is communicated between a left side end of the limiting cylinder 5 and the ash pipe 1, a piston disc 21 is movably embedded inside the extending cylinder 19, a connecting rod 22 is fixedly installed at a left side end of the piston disc 21, the connecting rod 22 is movably embedded with the extending cylinder 19, a semicircular plate 23 is fixedly installed at a left side end of the connecting rod 22, a guide rod is fixedly installed at a right side end of the piston disc 21, the guide rod movably penetrates through the extending cylinder 19, a second spring 24 is installed at one end of the piston disc 21 away from the connecting rod 22, two sets of air outlet pipes 25 are communicated with a left side end of the extending cylinder 19, a one-way air nozzle is installed at a side end of the air outlet pipe 25, an air inlet pipe 26 is installed below the air outlet pipe 25, an upper end of the air inlet pipe 26 is communicated with the extending cylinder 19, a lower end of the air inlet pipe 26 movably penetrates through the extending cylinder 19, and the lower port of the air inlet pipe 26 is provided with an air inlet one-way valve, the inner side of the extension cylinder 19 is provided with a limiting part 12, when the guide pipe 7 moves downwards, the connecting rod 22 can be pushed through the semi-circular plate 23, wherein the flow direction of the one-way air nozzle is the one direction from the extension cylinder 19 to the limiting cylinder 5, and the flow direction of the one-way air inlet valve is the one direction from the air inlet pipe 26 to the extension cylinder 19.

Referring to fig. 4 and 5, the limiting member 12 includes a through tube 20 connected between an extension tube 19 and a limiting tube 5, a clamping shaft 31 is movably embedded inside the piston disc 21, an upper end of the clamping shaft 31 is movably embedded in a lower port of the through tube 20, a spring four 32 is installed at a lower end of the clamping shaft 31, a knob post 27 is movably embedded inside the limiting tube 5, a left end of the knob post 27 is movably attached to a right end of the guide tube 7, a limiting post 29 is fixedly installed at a right end of the knob post 27, the limiting post 29 is movably embedded inside the through tube 20, a spring three 28 is installed outside the limiting post 29, a ball chain 30 is movably embedded inside the through tube 20, the left end of the ball chain 30 is fixedly connected to the limiting post 29, when the spring two 24 is completely compressed, the clamping shaft 31 can be embedded inside the through tube 20 to limit the piston disc 21, wherein the ball chain 30 is hollow, and is made of plastic material.

Referring to fig. 3, the right port of the duct 51 and the left port of the extension cylinder 19 are concentric with the guide pipe 7 and have the same inner diameter, so as to ensure that the ash left in the guide pipe 7 can effectively flow back to the ash pipe 1 through the duct 51.

Referring to fig. 4, the radius of the round-head pillar 27 is larger than the diameter of the ball chain 30, so that when the round-head pillar 27 is fully retracted into the limiting cylinder 5, the displacement thereof can be larger than the diameter of the ball chain 30, so that the bottom of the ball chain 30 can effectively eject the clamping shaft 31.

In this embodiment: when ash needs to be switched to the discharge hopper two 6 for diversion in the process of conveying the ash through the guide pipe 7, ash remained in the guide pipe 7 exists in the switching process, the connecting rod 22 can be pushed through the semicircular plate 23 when the guide pipe 7 moves downwards at first, so that the piston disc 21 compresses the spring two 24, after the semicircular plate 23 is completely pushed, the clamping shaft 31 is embedded into the through pipe 20 under the action of the spring four 32 at this time to limit the piston disc 21, in the process of compressing the spring four 32 by the piston disc 21, the extending cylinder 19 can be inflated through the one-way air inlet valve, when the guide pipe 7 moves upwards and moves to an accurate position, the round-head jacking column 27 is squeezed, so that the limiting column 29 pushes the ball chain 30, the lower end of the ball chain 30 can push the clamping shaft 31 out, after the piston disc 21 is not limited, the piston disc 21 outputs the gas in the extending cylinder 19 through the one-way air jet head under the action of the spring two 24, blowing to the inside ash that leaves over of stand pipe 7, simultaneously, the inside ash of ash pipe 1 is at the conveyer pipe in-process, because the velocity of flow leads to the inside pressure of ash pipe 1 to be less than the inside pressure of stand pipe 7 soon, and the jet-propelled of one-way jet-propelled head of deuterogamying under the effect of pressure difference, can effectually pass through honeycomb duct 51 with the inside ash that leaves over of stand pipe 7 and clear up to the inside of ash pipe 1.

Example 3

Referring to fig. 6 and 7, in another embodiment, the scraping element 13 includes two sliding bases 34 symmetrically movably embedded in the sleeve frame 14, an arc-shaped groove 37 is formed on an inner side of the sliding base 34, the arc-shaped groove 37 is movably embedded in the spoiler 18, two optical axes 35 are fixedly mounted on the inner side of the sleeve frame 14, the optical axes 35 movably penetrate through the sliding base 34, and a spring five 36 is mounted on one end of the sliding base 34 away from the spoiler 18.

In this embodiment: when spoiler 18 moves down, two sets of slides 34 receive great extrusion force just can expand to both sides, compress five 36 springs, when spoiler 18 moves up, because ash material particulate matter volume is less, there can be some particulate matter adhesion to follow the inside that enters into to accomodating groove 33 at spoiler 18's bottom cambered surface, accomodate groove 33 for preventing partial ash material entering, under five 36 effects of spring, the arc limit of arc wall 37 is laminated with spoiler 18's lower extreme cambered surface all the time, can scrape the clearance to the ash material granule of terminal surface under adhesion and spoiler 18, prevent that the ash material from entering to accomodating in the groove 33.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pneumatic ash conveying valve, includes ash pipe (1) and install in go out hopper (4) of ash pipe (1) side, the inboard fixed mounting of ash pipe (1) has spacing section of thick bamboo (5), the inboard activity of spacing section of thick bamboo (5) has inlayed stand pipe (7), just the lower extreme fixed mounting of stand pipe (7) has out hopper two (6), its characterized in that: the outer side of the ash pipe (1) is fixedly provided with an installation table (2), the upper end of the installation table (2) is fixedly provided with a motor (3) through a support, the outer side of the limiting cylinder (5) is fixedly provided with a fixed shaft (49), the fixed shaft (49) movably penetrates through the guide pipe (7), the outer side of the fixed shaft (49) is provided with a spring six (50) corresponding to the lower end of the guide pipe (7), the upper end of the guide pipe (7) is fixedly provided with a push rod (47), and the push rod (47) is movably embedded with the limiting cylinder (5);

the flow blocking mechanism (8) can block the flow of the ash when the discharge hopper II (6) and the guide pipe (7) are switched, the flow blocking mechanism (8) is arranged at the side end of the limiting cylinder (5), and the ash cleaning mechanism (9) is arranged on the outer side of the limiting cylinder (5);

a switching mechanism (10), wherein the switching mechanism (10) capable of precisely moving the choke mechanism (8) is installed at the lower end of the mounting table (2).

2. The pneumatic ash conveying valve according to claim 1, characterized in that: choke mechanism (8) including fixed mounting in ash pipe (1) inboard set frame (14), just the upper end fixed mounting of set frame (14) has slide bar (15), ejector pin seat (17) have been cup jointed in the outside activity of slide bar (15), just ejector pin seat (17) with install spring (16) between set frame (14), the lower extreme fixed mounting of ejector pin seat (17) has spoiler (18), the inboard of set frame (14) has been seted up and has been accomodate groove (33), just spoiler (18) with accomodate groove (33) activity gomphosis, the bottom of spoiler (18) with the inner wall activity laminating of ash pipe (1), piece (13) of scraping is installed in the outside of spoiler (18).

3. The pneumatic ash conveying valve according to claim 2, characterized in that: scraping off piece (13) including be the symmetry arrange the activity inlay in set frame (14) inside two sets of slide (34), arc wall (37) have been seted up to the inboard of slide (34), just arc wall (37) with spoiler (18) activity gomphosis, the inboard fixed mounting of set frame (14) has two sets of optical axes (35), just optical axis (35) activity run through in slide (34), slide (34) are kept away from spring five (36) are installed to the one end of spoiler (18).

4. The pneumatic ash conveying valve according to claim 2, characterized in that: the deashing mechanism (9) including fixed mounting in the extension section of thick bamboo (19) of spacing section of thick bamboo (5) right side end, just the left side end of spacing section of thick bamboo (5) with honeycomb duct (51) has been communicated between ash pipe (1), piston dish (21) have been inlayed in the inboard activity of extending section of thick bamboo (19), just the left side fixed mounting of piston dish (21) has connecting rod (22), connecting rod (22) with extend section of thick bamboo (19) activity gomphosis, the left side fixed mounting of connecting rod (22) has semicircle board (23), the right side end fixed mounting of piston dish (21) has the guide arm, just the guide arm activity run through in extend section of thick bamboo (19), piston dish (21) are kept away from the one end of connecting rod (22) is installed spring two (24), the left side end intercommunication of extending section of thick bamboo (19) has two sets of outlet duct (25), just one-way jet head is installed to the side of outlet duct (25), intake pipe (26) are installed to the below of outlet duct (25), the upper end of intake pipe (26) with extend a section of thick bamboo (19) and communicate each other, the lower extreme activity of intake pipe (26) run through in extend a section of thick bamboo (19), just the check valve that admits air is installed to the lower port of intake pipe (26), locating part (12) are installed to the inboard of extending a section of thick bamboo (19).

5. The pneumatic ash conveying valve according to claim 4, characterized in that: the limiting piece (12) comprises a through pipe (20) communicated between the extension cylinder (19) and the limiting cylinder (5), a clamping shaft (31) is movably embedded in the inner side of the piston disc (21), the upper end of the clamping shaft (31) is movably embedded with the lower port of the through pipe (20), a spring IV (32) is arranged at the lower end of the clamping shaft (31), a round-head jack post (27) is movably embedded at the inner side of the limiting cylinder (5), and the left side end of the round head support column (27) is movably jointed with the right side end of the guide tube (7), a limit column (29) is fixedly arranged at the right side end of the round head top column (27), the limiting column (29) is movably embedded on the inner side of the through pipe (20), a third spring (28) is arranged on the outer side of the limiting column (29), a ball chain (30) is movably embedded on the inner side of the through pipe (20), and the left end of the ball chain (30) is fixedly connected with the limiting column (29).

6. The pneumatic ash conveying valve according to claim 2, characterized in that: switching mechanism (10) including two sets of gear one (38) and gear two (39) that are the symmetry arrange install in mount table (2) lower extreme, gear one (38) with the equal fixed mounting in inboard of gear two (39) has the pivot, just the upper end activity of pivot inlay in the inboard of mount table (2), distribute in one of them set of in ejector pin seat (17) upper end the lower terminal surface fixed mounting of gear one (38) has arc limit extrusion block two (46), and another group the lower terminal surface fixed mounting of gear one (38) has arc limit extrusion block one (45), the top of ejector pin seat (17) with arc limit extrusion block two (46) activity laminating, just the top of push rod (47) with arc limit extrusion block one (45) activity laminating, driving medium (11) are installed to the outside of gear one (38).

7. The pneumatic ash conveying valve according to claim 6, characterized in that: the transmission part (11) comprises a first transmission belt (40) and a second transmission belt (41) which are correspondingly arranged on the outer sides of a first arc-edge extrusion block (45) and a second arc-edge extrusion block (46), two groups of first limit teeth (52) are fixedly arranged on the inner side of the first transmission belt (40), the first transmission belt (40) is in transmission connection with one group of first gears (38) and a second gear (39) through the first limit teeth (52), two groups of second limit teeth (48) are fixedly arranged on the inner side of the second transmission belt (41), the second transmission belt (41) is in transmission connection with the first gears (38) and the second gears (39) through the second limit teeth (48), two groups of transmission gears (44) are arranged at the lower end of the mounting table (2), and the transmission gears (44) are correspondingly movably engaged with the first transmission belt (40) and the second transmission belt (41), the upper end fixed mounting of drive gear (44) has the connecting axle, just the connecting axle activity inlay in the inboard of mount table (2), two sets of install the drive belt through the drive wheel between the connecting axle, the output of motor (3) and one of them group of connecting axle are fixed connection, and two sets of the outside activity of gear (38) has cup jointed supplementary cover frame one (42), just gear two (39) with the activity has cup jointed supplementary cover frame two (43) between drive gear (44), supplementary cover frame one (42) with supplementary cover frame two (43) all through the straight-bar with mount table (2) are fixed connection.

8. The pneumatic ash conveying valve according to claim 4, characterized in that: the right port of the draft tube (51) and the left port of the extension cylinder (19) are concentric with the guide tube (7) and have the same inner diameter.

9. The pneumatic ash conveying valve according to claim 5, characterized in that: the radius of the round-head top column (27) is larger than the diameter of the ball chain (30).