CN209502886U - The continuous shot-blast apparatus of hoisting chain multistation - Google Patents

Abstract

The utility model discloses a kind of continuous shot-blast apparatus of hoisting chain multistation, including cabinet, centrifugal blower, impeller head, bucket lifting device, ball dirt separator, store up ball storehouse and multidirectional auger conveyor and into, chain apparatus out, first be arranged in its ball blast area of cabinet, the height such as four backing rolls, second backing roll is higher than first, four backing rolls, third backing roll is slightly below first, 4th backing roll, into, out chain carrying roller be mounted side by side respectively it is multiple into, chain conveyer sprocket wheel out, each hoisting chain engage respectively it is corresponding into, chain conveyer sprocket wheel out, and each hoisting chain is located at first, the first hoisting chain section pine string between two backing rolls, positioned at second, the second hoisting chain section between three backing rolls and it is located at third, the equal tensioner of third hoisting chain section between four backing rolls.The utility model can not only handle the outer surface of hoisting chain, but also be capable of handling the interior dead angle between chain link, and the equipment longitudinal size is compact, and Shot Blasting work efficiency is high.

Description

The continuous shot-blast apparatus of hoisting chain multistation

[technical field]

The utility model relates to a kind of continuous shot-blast apparatus of hoisting chain multistation, belong to hoisting chain ball blast technology neck Domain.

[background technique]

As country is to the attention of environmental issue and continually strengthening for renovation dynamics, social responsibility drives enterprise actively to follow up Environmental renovation policy is implemented.For lifting industry, hoisting chain removing surface handle the problem of, it is necessary to will first discharge, after The production model of processing is transformed into more cleaning, more environmentally friendly production method, i.e., gets rid of barrel roll cast mode to environment-friendly type from traditional Processing method transformation.

Hoist crane is a kind of high-precision chain of short link with hoisting chain, and chain ring diameter is in 4~12mm, hoisting chain It is the indispensable ring of hoist crane product, the indices of hoisting chain quality are directly related to the usability of hoist crane Energy.The purpose of hoisting chain Shot Blasting one is: remove surface corrosion, welding burr and quenching oxide layer/skin, make hoisting-chain The surface of item has certain finish, and eliminates hoisting chain surface defect；The second is: the inherent quality of hoisting chain is improved, Quenched residual stress is removed, material surface compression and fatigue resistance are improved；The third is: it is subsequent to improve hoisting chain surface Coating quality provides the surface that coating adhesion can be improved, is imposed at nigrescence, electrophoresis or zinc coating according to process requirement Reason, to improve hoisting chain surface anticorrosive performance.

Lifting industry technology personnel know existing to get rid of barrel panning procedures there are following technical deficiencies:

1, there are biggish for the surface treatment quality of inner circle arc angle (the interior dead angle R) position that short link is connected with short link Technological deficiency；

2, the capacity for getting rid of drum is limited to deeply, is got rid of barreled ladle capacity and is up to 100m long hoisting chain；

3, get rid of drum processing technique easily and cause hoisting chain knot and unhitch after knotting handling when, it is laborious not Foot；

4, large labor intensity, work efficiency are low and energy consumption is high, high noise, dust wave, and the problems such as polluting air is serious.

[utility model content]

The purpose of the utility model is to provide one kind can not only handle the outer surface of hoisting chain, but also is capable of handling chain The continuous shot-blast apparatus of hoisting chain multistation at the interior dead angle between ring, the equipment longitudinal size is compact, and Shot Blasting work efficiency is high, And hoisting chain treated length is unrestricted.

For this purpose, the utility model provides the following technical solutions:

The continuous shot-blast apparatus of hoisting chain multistation including storage ball storehouse, the cabinet below storage ball storehouse, is set to cabinet The longitudinal spiral conveyer of bottom, lower lateral auger conveyor, bucket lifting device, upper lateral auger conveyor, the separation of ball dirt Centrifugal blower is installed at the top of device, into chain apparatus and out chain apparatus, cabinet, and cabinet inside is divided into preceding seal area, ball blast area With rear seal area, the lower part of preceding seal area, rear seal area lower part communicated respectively with the lower part in ball blast area, the air draft of centrifugal blower Mouth passes in rear seal area, and into chain apparatus into chain carrying roller, the chain carrying roller that goes out of chain apparatus is rotatably dispose in preceding seal area respectively out Two sides, rear seal area two sides, into chain carrying roller and chain carrying roller driving coupling out, lower transverse direction auger conveyor and longitudinal spiral are defeated The tail portion of device is sent to connect, the lower end of bucket lifting device is connect with one end of lower lateral auger conveyor, bucket lifting device Upper end is connected with upper lateral auger conveyor, and the upper port of ball dirt separator is connected to and its lower port with upper lateral auger conveyor It is connected with storage ball storehouse, stores up ball storehouse in its bottom and set up four shot material control valves separately, be respectively separated in ball blast area in installation one Impeller head, impeller head, a lower impeller head and another lower impeller head on another, this four impeller heads connect corresponding one by one Shot material control valve, improvement are: ball blast area rotation four backing rolls being parallel to each other of setting, in neighbouring ball blast area It is followed successively by the first backing roll, the second backing roll, third backing roll and the 4th backing roll between entrance and neighbouring ball blast area outlet, the The height such as one backing roll and the 4th backing roll, a second backing roll high position are in the top of the first backing roll and the 4th backing roll, the Three backing rolls are slightly below the first backing roll and the 4th backing roll；Charging carrying roller, discharging carrying roller have been mounted side by side multiple into chain respectively Drive sprocket, it is multiple go out chain conveyer sprocket wheel, the hoisting chain being respectively continuously traveling engages into chain conveyer sprocket wheel, and before passing sequentially through Seal area, the first backing roll, the second backing roll, third backing roll, the 4th backing roll and rear seal area, each hoisting chain engage institute State out the discharging of chain conveyer sprocket wheel, wherein first hoisting-chain of each hoisting chain between the first backing roll and the second backing roll Item section is in loose chordal shaped state, the second hoisting chain section between the second backing roll and third backing roll and is located at third branch Third hoisting chain section between runner and the 4th backing roll is in tensioner state.

The upper impeller head of one of neighbouring ball blast area entrance, a lower impeller head are located at loose chordal shaped first lifting of state Top, the lower section of chain segment；Impeller head is located at the second hoisting chain section, third hoisting-chain on another of neighbouring ball blast area outlet The top of item section, and another lower impeller head is located at the lower section of third hoisting chain section.

It is corresponding to optimize on the basis of hoisting chain passes through ball blast area with the tensioner, Song Xian and the torsion travel track that optimize The position of four impeller heads is laid, effective ejecting function of ball blast can be maximally utilised, it is intensive that impeller head casts out high speed Shot beam strike each portion's point in hoisting chain inner and outer surfaces, hoisting chain with being able to carry out three-dimensional, Omnibearing even It handles without dead angle, without dead point, improves ball blast cleaning quality and treatment effeciency.

Ball storehouse split settings two are stored up, two storage ball storehouses constitute isosceles triangle layout, and two storages with a ball dirt separator The upper port in ball storehouse is connected with ball dirt separator respectively.

After storing up ball storehouse setting two, the mountable four shots material control valve in bottom in every storage ball storehouse, and stored up with every Four impeller heads that four shot material control valves in ball storehouse match arrange eight impeller heads in ball blast area altogether, are conducive to improve and throw The closeness of ball.

The utility model further includes the shot material recover outside cabinet, and enclosure top installs main air draft, preceding close The outlet set up separately at the top of envelope area top, rear seal area is respectively communicated with main air draft, main air draft one end and shot far from cabinet The air inlet of material recover is connected, and opens up in the bottom end of shot material recover and lets out ball mouth.

The shot material for not falling on ball blast area bottom when due to Shot Blasting on a small quantity, can launch to forward and backward seal area, these Shot material is collected after main air draft is delivered to shot material recover, then can be re-added to storage ball storehouse is made again With.

The lesser oxide skin dust of the specific gravity to wave in rear seal area, ball blast area, corrosion dust and the broken production of shot material Raw dust enters in main air draft, and be transported in shot material recover under the action of centrifugal blower through two outlets Transfer.

The utility model further includes the multiple-pulse multilayer filter bag dust pelletizing system outside cabinet, the multiple-pulse multilayer filter bag Dust pelletizing system includes dedusting fan, multipulse generator, the pulse control instrument connecting with multipulse generator electric signal, multilayer filter Bag, multilayer filter bag is taken over through exhausting to be connected with shot material recover, and the sack of multilayer filter bag and the air inlet of dedusting fan connect Logical, clean air is drained into outdoor through air-exhausting duct by the exhaust outlet of dedusting fan, and the bottom end of multilayer filter bag opens up dust discharge port.

The clear dirt of multiple-pulse multilayer filter bag dust pelletizing system is strong and efficient, and the air after Shot Blasting is removed through multiple-pulse multilayer filter bag Dusty gas is purified processing after the processing of dirt system, and dust emission concentration is low, can avoid pollution atmospheric environment.

The top of ball dirt separator is connected to main air draft by dust delivering tube.

The dust for the mixed erosion state being transported in ball dirt separator can be discharged into main air draft after separation, thus Ejection treated shot material cleannes are improved, more clean shot material is made to be delivered to storage ball storehouse.Wherein, erosion state is mixed Dust is from the biggish oxide skin dust of shot blast room bottom specific gravity, corrosion dust and the broken dust generated of shot material.

The lower part of ball dirt separator is communicated with a particle discharge pipe.

Burr, the broken shot being transported in ball dirt separator are directly discharged from particle discharge pipe after settlement treatment, with The load of road multiple-pulse multilayer filter bag dust pelletizing system, can so extend the service life of the system after mitigation.Wherein, burr, broken Shot comes from shot blast room bottom.

Driving coupling into chain carrying roller and chain carrying roller out is by going out the motor-driven of chain apparatus.

Compared with prior art, the utility model is had the following advantages and beneficial effects:

1, the setting of ball dirt separator, the broken shot for having part to generate after capable of handling shot material ejection are crushed with shot The a large amount of dust of generation is subject to sedimentation separation processing.

2, the spatial configuration optimal setting of four backing rolls is conducive to extend current length of the hoisting chain in ball blast area Degree, can so shorten the depth size in ball blast area, so that cabinet is occupied place small, wherein

The setting of first backing roll and the second backing roll may make the first hoisting chain Duan Gangjin between this two roller Enter ball blast area and be in loose chordal shaped state, the interior dead angle that chain link is connected with chain link is able to exposed and goes out, and when Shot Blasting not only can be clear Clean chain ring outer surface, interior dead angle impact cleaning more acceptable, through ball blast after, corrosion at interior dead angle, welding burr and Quenching oxide layer and dirt centrifugal blower wind-force effect under fall off rapidly, thus when solving the prior art ball blast chain link with Chain link be connected in dead angle can not Shot Blasting the problem of；

The setting of third, the 4th backing roll enables second, third hoisting chain section to carry out at ball blast in tensioner state Reason.

3, successively by formula, a plurality of hoisting chain of Shot Blasting, work efficiency height not only solve hoisting chain throwing simultaneously Ball processing length limitation problem, and solve easily knot and knot in hoisting chain treatment process after unhitch handling when, The big deficiency of arduous tasks intensity.

[Detailed description of the invention]

The utility model is described in further detail with reference to the accompanying drawing.

Fig. 1 is the structural schematic diagram of the utility model.

[specific embodiment]

Refering to Figure 1, the continuous shot-blast apparatus of hoisting chain multistation, including store up ball storehouse 7, be located at 7 lower section of storage ball storehouse Cabinet 1, be set to 1 bottom of cabinet longitudinal spiral conveyer 51, lower lateral auger conveyor 52, bucket lifting device 53, It is upper transverse direction auger conveyor 54, ball dirt separator 6 and for convey hoisting chain K into chain apparatus 2, go out chain apparatus 4, cabinet 1 Top centrifugal blower M is installed, be divided into preceding seal area 11, ball blast area 12 and rear seal area 13, preceding seal area inside cabinet 1 Lower part, rear seal area lower part communicated respectively with the lower part in ball blast area, the exhaust outlet of centrifugal blower M passes to rear seal area 13 It is interior, into chain apparatus 2 into chain carrying roller 21, go out chain apparatus 4 go out the two sides of seal area 11 before chain carrying roller 41 is rotatably dispose in respectively, The two sides of seal area 13 afterwards, into chain carrying roller 21 and 41 driving coupling of chain carrying roller out, lower transverse direction auger conveyor and longitudinal spiral are defeated The tail portion of device is sent to connect, the lower end of bucket lifting device is connect with one end of lower lateral auger conveyor, bucket lifting device Upper end is connected with upper lateral auger conveyor, and the upper port of ball dirt separator is connected to and its lower port with upper lateral auger conveyor It is connected with storage ball storehouse, four shot material control valves 71,72,73,74 are arranged in its bottom interval in storage ball storehouse 7, divide in ball blast area One upper impeller head P1 Jian Ge be installed, impeller head P3, a lower impeller head P2 and another lower impeller head P4 on another.

One upper impeller head P1 conveys nipple h11 connection shot material control valve 72 by shot material；Ball blast on another Device P3 conveys nipple h12 connection shot material control valve 73 by shot material；One lower impeller head P2 passes through shot material conveying length Adapter tube h21 connection shot material control valve 71；Another lower impeller head P4 conveys long pipe h22 connection shot material by shot material Control valve 74.

Wherein, shot material conveying nipple h11, h11 and the conveying of shot material long pipe h21, h22 are put in ball blast area 12 Portion.

Its improvement is: the rotation of ball blast area 12 four backing rolls being parallel to each other of setting, neighbouring ball blast area entrance with It is followed successively by the first backing roll 31, the second backing roll 32, third backing roll 33, the 4th backing roll 34 between neighbouring ball blast area outlet, The height such as the first backing roll and the 4th backing roll, a second backing roll high position are in the top of the first backing roll and the 4th backing roll, Third backing roll is slightly below the first backing roll and the 4th backing roll；Into chain carrying roller 21, go out chain carrying roller 41 be mounted side by side respectively it is useful In a plurality of hoisting chain of engaged transmission it is multiple into chain conveyer sprocket wheel 20, it is multiple go out chain conveyer sprocket wheel 40, what is be respectively continuously traveling rises Heavy chain item is engaged into chain conveyer sprocket wheel 20, and seal area 11 before passing sequentially through, the first backing roll 31, the second backing roll 32, the Three backing rolls 33, the 4th backing roll 34 and rear seal area 13, each hoisting chain engagement chain conveyer sprocket wheel 40 out discharge, In,

Each hoisting chain K is located in the installation process before traveling (walking chain) into chain conveyer sprocket wheel 20 and chain conveyer chain out Hoisting chain between wheel 40 is installed with twisting states, also, each hoisting chain K is located at the first backing roll during traveling 31 and second the first hoisting chain section K1 between backing roll 32 is in loose chordal shaped state, is located at the second backing roll 32 and supports with third The second hoisting chain section K2 between roller 33 and the third hoisting-chain between third backing roll 33 and the 4th backing roll 34 Item section K3 is in tensioner state.

When hoisting chain in twisting states by ball blast area, after seal area, hoisting chain not only realize multi-angle receiving Uniform Shot Blasting greatly reduces ball blast drain contact processing area, and hoisting chain multi-angle receives centrifugation wind after ball blast The wind-force of machine acts on, and is conducive to be attached to the oxide skin on hoisting chain, corrosion sufficiently falls off.

Auger conveyor in the utility model has the characteristics that longitudinal, lower lateral and upper lateral multidirectional helical feed；Into Chain apparatus 2 include the bracket 22 of 11 2 side of seal area before being symmetrically fixed on, be installed on 22 2 end of bracket for for into chain carrying roller The bearing block (not shown) of 21 bearings；Chain apparatus 4 includes the bracket 42 for being symmetrically fixed on rear 13 2 side of seal area, is installed on branch out The bearing block (not shown) supported for confessing chain carrying roller 41 at 42 2 end of frame.

12 bottom of ball blast area offers the through-hole (not indicating in figure) to fall for shot material, drops into longitudinal direction convenient for shot material Auger conveyor 51；Longitudinal spiral conveyer is for collecting the shot material for falling on 12 bottom of ball blast area；Lower transverse direction auger conveyor 52 for receiving the shot material from longitudinal spiral conveyer；Bucket lifting device 53 is for being promoted from lower lateral helical feed The shot material that device conveying comes；Upper transverse direction auger conveyor 54 gives its shot material received from bucket lifting device to ball dirt point From device 6；On the one hand a certain number of broken shots and a large amount of dust that conveying comes are subject to sedimentation separation processing by ball dirt separator, In, the dust to raise up drains into main air draft H through dust delivering tube H1, and the broken shot to sink is expelled directly out through particle discharge pipe H0, On the other hand by intact shot stream to the bottom of each ball dirt separator 6, and enter storage ball under the action of pellet control valve Storehouse recycling, pellet control valve are used to control the conveying capacity of shot material.

The exhaust outlet of centrifugal blower M is communicated by air-exhausting duct with the blowing device (not shown) loaded on rear seal area top, The hoisting chain K passed through from rear seal area 13 is located at the lower section of the blowing device, and centrifugal blower M send wind-force to rear seal area 13 Interior, the wind-force of blowing device acts on hoisting chain.

Longitudinal spiral conveyer 51 is arranged along the depth length direction of cabinet 1；After lower transverse direction auger conveyor 52 is arranged in 13 lower section of seal area；Bucket lifting device 53 is located at an outside of rear seal area 13, and the present embodiment (is forward-facing sealed in left-external side Area is watched)；Ball dirt separator 6 is located at the lower section of upper lateral auger conveyor 54.

Shot material control valve arrangement is identical generally applicable, and four shot material control valves that each storage ball storehouse 7 is set up separately are four corresponding Impeller head.

During feeding installs (before traveling), first engagement is installed into chain conveyer sprocket wheel 20, immediately each hoisting chain K By preceding seal area 11, be then installed to the first backing roll 31, the second backing roll 32, third backing roll 33, the 4th backing roll 34, then by rear seal area 13, so far, hoisting chain K is repeated into twisting action in one direction, finally just by the lifting Chain K engagement is installed to out on chain conveyer sprocket wheel 40.After aforesaid operations are fully completed, so that it may which starting device carries out continuous ball blast work Industry, the hoisting chain K that when ball blast is continuously traveling, is located at into chain conveyer sprocket wheel and the hoisting chain between chain conveyer sprocket wheel is just out It is constantly in twisting states.

Pass through for convenience of a plurality of hoisting chain K torsion, each backing roll interval opens up V-groove (not shown).

Seal area 11 before each hoisting chain K is slightly loosely inputted, and loose chordal shaped state enters (i.e. each, ball blast area 12 Heavy chain K is located at the first hoisting chain section K1 of the first backing roll 31 and the second backing roll 32 for loose chordal shaped state), each hoisting-chain The the second hoisting chain section K2 and each hoisting chain K that K is located at the second backing roll 32 and third backing roll 33 are located at third branch The third hoisting chain section K3 of runner 33 and the 4th backing roll 34, for tensioner degree in being gradually incremented by, last hoisting chain K is in rise completely Tight state passes through rear seal area 13.

One of neighbouring ball blast area entrance upper impeller head P1, a lower impeller head P2 are located at the loose chordal shaped state first Top, the lower section of hoisting chain section K1；Impeller head P3 is located at the second hoisting chain section on another of neighbouring ball blast area outlet The top of K2, third hoisting chain section K3, and another lower impeller head P4 is located at the lower section of third hoisting chain section K3.

One upper impeller head P1, a lower impeller head P2 are not only used to handle the outer surface of each hoisting chain and for processing At interior dead angle between chain link, impeller head P3, another lower impeller head P4 are further processed the outer of each hoisting chain on another Surface.

Ball storehouse split settings two are stored up, two storage ball storehouses constitute isosceles triangle layout, and two storages with a ball dirt separator 6 The upper port in ball storehouse is connected with ball dirt separator 6 respectively.

Illustrate only visible storage ball storehouse, i.e. the storage ball storehouse 7 of left-hand side.

The utility model further includes the shot material recover 8 outside cabinet 1, installs main air draft H at the top of cabinet 1, The outlet 130 at the top of outlet 110, rear seal area at the top of preceding seal area is respectively communicated with main air draft H, and main air draft H is far from machine One end of case 1 is connected with the air inlet of shot material recover 8, opens up in the bottom end of shot material recover 8 and lets out ball mouth 80.

It lets out 80 lower section face of ball mouth and places shot material recycling bin 81.

The utility model further includes the multiple-pulse multilayer filter bag dust pelletizing system 9 outside cabinet, multiple-pulse multilayer filter Bag dust pelletizing system 9 includes dedusting fan 91, multipulse generator 92, the pulse control connecting with 92 electric signal of multipulse generator Instrument 93 processed, multilayer filter bag 94, multilayer filter bag 94 are connected through exhausting adapter tube H2 with shot material recover 8, the bag of multilayer filter bag 94 Mouth is connected to the air inlet of dedusting fan 91, and clean air is drained into outdoor through air-exhausting duct 95 by the exhaust outlet of dedusting fan 91, more The bottom end of layer filter bag 94 opens up dust discharge port 940.

Multipulse generator 92, pulse control instrument 93 be attached to respectively multiple-pulse multilayer filter bag dust pelletizing system 9 it is positive on Side, dedusting fan 91, the air-exhausting duct 95 of interconnection are loaded on the top of multilayer filter bag dust pelletizing system 9；940 lower section of dust discharge port Face places dust collection bucket 96.

This system efficiency of dust collection is close to 99.5%, compared with the prior art gets rid of barrel roll cast mode, greatly reduces dust row Put pollution environment.

The top of ball dirt separator 6 is connected to main air draft H by dust delivering tube H1.

The lower part of ball dirt separator 6 is communicated with a particle discharge pipe H0.

It into chain carrying roller 21 and the driving coupling of chain carrying roller 41 is out driven by the motor MT for going out chain apparatus 4.

Longitudinal spiral conveyer 51 is driven by motor M1；Lower transverse direction auger conveyor 52 is by motor driving (not shown)；Bucket Formula lifting device 53 is driven by motor M3；Upper transverse direction auger conveyor 54 is driven by motor M4.

The utility model is suitable for the Shot Blasting of the pipe nipple square hoisting chain of various specifications.

Its production capacity of the continuous shot-blast apparatus of hoisting chain multistation is big, can locate simultaneously to up to 20 hoisting chains Reason, can further strengthen hoisting chain surface strength (compression strengthening effect), hoisting chain surface presentation quality reaches Metal true qualities.

Claims (8)

1. a kind of continuous shot-blast apparatus of hoisting chain multistation including storage ball storehouse, the cabinet below storage ball storehouse, is set to machine The longitudinal spiral conveyer in bottom portion, lower lateral auger conveyor, bucket lifting device, upper lateral auger conveyor, ball dirt point From device, centrifugal blower is installed at chain apparatus, the top of cabinet into chain apparatus and out,

Cabinet inside is divided into preceding seal area, ball blast area and rear seal area, the lower part of preceding seal area, rear seal area lower part It not being communicated with the lower part in ball blast area, the exhaust outlet of centrifugal blower passes in rear seal area,

Into chain apparatus into chain carrying roller, the chain carrying roller that goes out of chain apparatus is rotatably dispose in the two sides of preceding seal area, rear sealing respectively out The two sides in area, into chain carrying roller and chain carrying roller driving coupling out,

Lower transverse direction auger conveyor is connect with the tail portion of longitudinal spiral conveyer, the lower end of bucket lifting device and lower lateral spiral One end of conveyer connects, and the upper end of bucket lifting device is connected with upper lateral auger conveyor, the upper port of ball dirt separator With upper lateral auger conveyor connection its lower port with store up ball storehouse and be connected,

It stores up ball storehouse and in its bottom sets up four shot material control valves separately, installation one upper impeller head, another is respectively separated in ball blast area A upper impeller head, a lower impeller head and another lower impeller head, this four impeller heads connect corresponding shot material control one by one Valve,

It is characterized by: ball blast area rotation four backing rolls being parallel to each other of setting, neighbouring ball blast area entrance with it is neighbouring Ball blast area is followed successively by the first backing roll, the second backing roll, third backing roll and the 4th backing roll between outlet, the first backing roll with The height such as the 4th backing roll, a second backing roll high position are in the top of the first backing roll and the 4th backing roll, and third backing roll omits Lower than the first backing roll and the 4th backing roll；

Charging carrying roller, discharging carrying roller be mounted side by side respectively it is multiple into chain conveyer sprocket wheel, it is multiple go out chain conveyer sprocket wheel, each continuous row Into hoisting chain engage into chain conveyer sprocket wheel, and pass sequentially through preceding seal area, the first backing roll, the second backing roll, third Backing roll, the 4th backing roll and rear seal area, each hoisting chain engagement chain conveyer sprocket wheel discharging out, wherein

First hoisting chain section of each hoisting chain between the first backing roll and the second backing roll is in loose chordal shaped state, is located at The second hoisting chain section between second backing roll and third backing roll and between third backing roll and the 4th backing roll Third hoisting chain section be in tensioner state.

2. the continuous shot-blast apparatus of hoisting chain multistation according to claim 1, it is characterized in that neighbouring ball blast area entrance One upper impeller head, a lower impeller head are located at top, the lower section of loose chordal shaped state the first hoisting chain section；It is neighbouring to throw Impeller head is located at the top of the second hoisting chain section, third hoisting chain section on another of ball area outlet, and throws under another Ball device is located at the lower section of third hoisting chain section.

3. the continuous shot-blast apparatus of hoisting chain multistation according to claim 1, it is characterized in that storage ball storehouse split settings two , two storage ball storehouses constitute isosceles triangle layout with a ball dirt separator, and the upper port in two storage ball storehouses is divided with ball dirt respectively It is connected from device.

4. the continuous shot-blast apparatus of hoisting chain multistation according to claim 1 or 2 or 3, it is characterised in that: further include setting Shot material recover outside cabinet, enclosure top are installed main air draft, are set up separately at the top of preceding seal area top, rear seal area Outlet is respectively communicated with main air draft, and the one end of main air draft far from cabinet is connected with the air inlet of shot material recover, in steel The bottom end of pellet recover, which opens up, lets out ball mouth.

5. the continuous shot-blast apparatus of hoisting chain multistation according to claim 4, it is characterised in that: further include being set to cabinet External multiple-pulse multilayer filter bag dust pelletizing system, the multiple-pulse multilayer filter bag dust pelletizing system include dedusting fan, multiple-pulse generation Device, the pulse control instrument connecting with multipulse generator electric signal, multilayer filter bag, multilayer filter bag are returned through exhausting adapter tube with shot material It receives device to be connected, the sack of multilayer filter bag is connected to the air inlet of dedusting fan, and the exhaust outlet of dedusting fan will be clear through air-exhausting duct Clean air drains into outdoor, and the bottom end of multilayer filter bag opens up dust discharge port.

6. the continuous shot-blast apparatus of hoisting chain multistation according to claim 5, it is characterised in that: the ball dirt separator Top main air draft is connected to by dust delivering tube.

7. the continuous shot-blast apparatus of hoisting chain multistation according to claim 5, it is characterised in that: the ball dirt separator Lower part be communicated with a particle discharge pipe.

8. the continuous shot-blast apparatus of hoisting chain multistation according to claim 1, it is characterised in that: it is described into chain carrying roller with The driving coupling of chain carrying roller is by going out the motor-driven of chain apparatus out.