CN205891922U - Take vertical lift's double -deck circulating transmission mechanism of marching type - Google Patents

Abstract

The utility model provides a take vertical lift's double -deck circulating transmission mechanism of marching type, belongs to the machine -building field, includes: the track that appears, two rack V -arrangement tracks, the spacing pin roll assembly of a plurality of are put down with outside step -by -step piece, a plurality of rag bolt subassembly, two racks of hitting of rack, a plurality of right -hand member of carrying of the pneumatic spacing subassembly that goes up and down of flat shape track, two, to two step -by -step devices, two cylinder actuating mechanism, two -way spacing assembly, two elevating platforms, a plurality of delivery dollies, two pits, two footboards, two adjustable spacing end shelves subassemblies, two tracks of V -arrangement platform the for, two platforms. This mechanism is through orderly combination and design, solved delivery dolly level walk to the lift mesa stroke horizontal sliding spacing, that easily appear when going up and down and required a plurality of step -by -step station department put in place the accuracy, in the mutual accurate butt joint problem of delivery track of conveying mechanism end. This conveying mechanism, the design is novel, and the operation is reliable, and area is little, and easily preparation installation.

Description

A kind of bilayer of the step-by-step movement with vertical lift circulation conveying mechanism

Technical field

This utility model belongs to mechanical manufacturing field, is related to a kind of step-by-step movement circulation conveying mechanism, more particularly, to a kind of band The step-by-step movement bilayer circulation conveying mechanism of vertical lift.

Background technology

Step-by-step movement circulation conveying mechanism is a kind of conventional material mode of movement, is such as to meet material delivery requirements, is giving birth to Produce " going back to " font monolayer circulation conveying mechanism often running in workshop or production unit using a kind of " full level " direction, or one Plant " going back to " font bilayer circulation conveying mechanism running in " vertical+level " direction etc..

These known technologies, though having his own strong points, and have positive beneficial effect in respective application scenario, for some Need to meet " heavy load, multistation, non-lift, laterally run " and several steppings in a certain local stepping section simultaneously For the accurate occasion that need to put in place at station, also it is difficult to meet the requirement of its circulation conveying, such as the delivery of these materials and configuration Utensil in running easily be lifted disengaging its running track, or because material unidirectional (axial) longer dimension, laterally operation when Material (include delivery utensil) easily occur running skew, the problems such as crooked, card is sprained；For another example, when need several arrive level , easily material (including delivery utensil) and is front pushed away dislocation or the problem of post-tensioning dislocation in true stepping station；In addition, these materials (including delivery utensil), how in the little step-by-step movement circulation conveying mechanism of a kind of enclosed and floor space, to meet it Circulation conveying, " returning " font bilayer circulation conveying mechanism that such as above-mentioned a kind of " vertical+level " direction is run, adapt to regional area Property production distribution demand, be also one need solve practical problem.

It should be noted that above-mentioned " multistation ", mean and multiple stations can be completed by a step-by-step movement operation simultaneously The step-by-step movement conveying of upper material (including delivery utensil).Above-mentioned " non-lift ", means during stepping conveying, material (bag Include delivery utensil) only need to make translation operation and " saltatory " lifting can not be implemented with same step pitch and run.Above-mentioned " laterally running ", Mean the unidirectional longer dimension material for some axle classes, cylinder class, axle housing class etc., before tractor as shown in Figure 1, drive steeraxle Shell (abbreviation axle housing part 1), should be able to meet what it laterally ran after laterally disposed on the conveyor (including delivery utensil) Step-by-step movement delivery requirements.Above-mentioned " front push away dislocation ", refers to the effect of inertia moving ahead due to its stepping, and material (includes delivery utensil) Still sustainable run forward the inaccurate problem that puts in place that moves ahead that a segment distance occurs；Above-mentioned " post-tensioning dislocation ", refer to due to After its stepping row rub effect of drawing, material (including delivery utensil) reversely rubs after roping row one segment distance occurs with row thereafter The capable inaccurate problem that puts in place.

Further illustrate, for solving the above problems, the applicant's early stage had once carried out some researchs, and had applied for or authorized Some patents are as follows:

1st, " a kind of electronic pair of shift fork stepping type conveying device for Automatic Conveying line " granted patent, the patent No.: zl201520699473.5.This patent structure is illustrated to see that Fig. 2, Fig. 3 show.Wherein said step device 2, is to run group by matrix Part 2a, left side pull-fork assembly 2b, right side pull-fork assembly 2c, rolling support limit assembly 2d, rack pinion assembly 2e, installation Mounting assembly 2f, the design of translator reductor 2g, not only solve and implement " the heavy duty of multiple materials on Automatic Conveying line Lotus, multistation " step-by-step movement transportation problem, and disclosure satisfy that " non-lift, laterally run " step-by-step movement delivery requirements, i.e. material (include delivery utensil) only makees translation operation without being lifted and when longer dimension material implements horizontal being not in by unexpected The problems such as operation offsets, crooked, card is sprained.

2nd, " a kind of air cylinder driven mechanism for step-by-step movement conveying " granted patent, the patent No.: zl2015 20699492.8.This patent structure is illustrated to see that Fig. 4, Fig. 5, Fig. 6, Fig. 7 show.Wherein said air cylinder driven mechanism 3, is by pedestal Assembly 3a, double guidance set 3b, the first push assembly 3c, the second push assembly 3d, first draw sending component 3e, second draw sending component 3f, the design of strength drive component 3g, not only solve easy when unidirectional longer dimension material (including delivery utensil) laterally runs " running skew " problem occurring, and can convey according to operation field and need, implement " propelling movement type " or " push-pull type " stepping defeated The apolegamy sent and the adjustment of conveying " stress point " determine.

3rd, " a kind of pneumatic bidirectionally limited assembly for step-by-step movement conveying " is applied for a patent, application number: 201620342216.0.This patent structure is illustrated to see that Fig. 8, Fig. 9 show.Wherein said bidirectionally limited assembly 4, is by limited step Bearing pin 4a, rotating shaft limit assembly 4b, air power steering assembly 4c, the design of cylinder support seat 4d, meet in the stepping of a certain local Several " stepping station " places of section need to run the demand of " put in place accurately ", that is, implementing " heavy load, multistation, non-lift, horizontal To running " stepping conveying material (include delivery utensil) while, solve the stepping occurring at required stepping station move ahead " front Push away dislocation " and stepping return " post-tensioning dislocation " problem.

Technical scheme described in above-mentioned patent, is only to solve some and need to meet " heavy load, multistation, non-lift, laterally transport Need OK " and at several stepping stations " conveying " problem involved by " putting in place accurately ", but, with regard to it how in one kind The three-back-shaped conveying that its " vertical+level " direction is run is met in the little step-by-step movement circulation conveying mechanism of closed and floor space For, still also there are the problem that some needs solve.For this reason, the applicant early stage application " a kind of band vertically-guided and row The electric threaded shaft lifting platform of process control " patent, and authorized, the patent No.: zl 201520324988.7.This patent structure shows Suggestion Figure 10 is shown.Wherein said lifting platform 5, is by carrying guide rod lifting table plate assembly 5a, electric threaded shaft lifting assembly 5b, automatically controlled Stroke limit assembly 5c, the design with guide pin bushing support stand assembly 5d, can strengthen the straight line elevating function of lifting platform and effective control System vertical lift stroke, it is to avoid the lateral shift dislocation after lifting and the generation of height skew inconsistent phenomenon.

In addition, for convenience of described Resolving probiems, the stepping that the applicant is also directed to unidirectional (axial) longer dimension material is defeated Send, as a example specially have selected the cleaning item that axle housing part 1 as shown in Figure 1 need to implement the positions such as axle housing inner chamber 1a, to its institute The delivery utensil that need to configure has carried out special item, and has applied for a kind of " support for step-by-step movement conveying and axle housing Cleaning of Parts Fortune dolly " patent, and authorized, the patent No.: zl201521038087.8.This patent structure is illustrated to see Figure 11, Figure 12, Figure 13 Show.Wherein said consignment trolley 6, is by alignment pin 6a, positioning thin plate 6b, vehicle body component 6c, flat wheel assembly 6d, v wheel assembly 6e, the design with waterproof seat bearing assembly 6f, not only can carry axle housing part 1, meet the brisk steady and non-stepping lifted Formula delivery requirements, and be also convenient in fact applying washing and cleaning operation, including solving axle housing part 1 being accurately positioned on consignment trolley The problems such as placement, cleaning showers at position such as without prejudice to axle housing inner chamber 1a, Chinese lute face 1b.

Although, technique scheme, there is respective technical characteristic, can solve each to exist in the prior art is respective Technical problem, but if being combined technique scheme, constitute a new technical scheme, i.e. formed a kind of closed And font and the little " step-by-step movement with vertical lift ' double-deck circulation ' conveyer of floor space " is returned " in " vertical+level " direction Structure " and each technical characteristic are functionally supported each other and are obtained new technique effect, meet material and (include supporting hauling device Tool) step-by-step movement circulation conveying demand, then also there will be following problem.

1st, how each subitem function in circulation conveying mechanism, matched and combined.That is, how to match above-mentioned step device 2nd, air cylinder driven mechanism 3, bidirectionally limited assembly 4, lifting platform 5 and delivery utensil (as consignment trolley 6) carry out sequential combination, Form the bilayer of " going back to " the font step-by-step movement with vertical lift circulation conveying mechanism a kind of closed and that floor space is little, realize it The ordered arrangement of each subitem function and mutual supporting one another.

2nd, delivery utensil (as consignment trolley 6) row is to Lifting platform, how carrying out horizontal stroke limit.That is, little when consigning When car 6 level run is to lifting platform 5 Lifting platform, how in fact applying stroke limit it is ensured that it can run to required finger Positioning is put, vertical lift can preferably be implemented by follow-up lifting platform 5 to run.

3rd, how delivery utensil (as consignment trolley 6), when lifting runs, prevents horizontal sliding.That is, little when consigning When car 6 runs with lifting platform 5 height vertical lift, how to prevent because of lifting shake or go out because Lifting platform is uneven Existing consignment trolley 6 sliding horizontal moves phenomenon, especially avoids horizontal sliding to cause unnecessary operation card to sprain when serious existing As.

4th, at required some stepping stations, how to be further increased to an accuracy.That is, how to improve it further two-way The bidirectionally limited accuracy of spacing assembly 4 stepping, it is to avoid because multiple step pin axle 4a due to respectively one by one weldering be associated in multiple stage delivery little The weldering connection position occurring on car 6 is difficult to same accurate control, the consignment trolley 6 caused by difference and walks needed for several Enter the spacing distance of the step run at station differ, inaccurate situation occur.

5th, how circulation conveying mechanism termination delivery track, implement accurately to dock.That is, employed in conveying mechanism " stand delivery track " and " delivery track " on lifting platform 5 how implement accurately to dock in structure for conveying termination, satisfaction Its " delivery utensil " such as consignment trolley 6 smoothly carrying out horizontal operation on the track after the docking of its termination, prevents because of orbital docking Operation caused by high infraversion malposition jolt phenomenon occur, further improve circulation conveying mechanism transhipment quality.

In summary, with regard to its problem, at present, known technology is not also had can to read and use for reference.So, how will Its above-mentioned each subitem art solutions implements organic assembling, and constitutes a new technical scheme, formed a kind of closed and The step-by-step movement bilayer circulation conveying mechanism of the little three-back-shaped band vertical lift of floor space, meets its material (including delivery utensil) Step-by-step movement circulation conveying, adapts to topical regional production distribution demand, still also has many work will do, also many problems need Solve.

Utility model content

For solving the above problems, the purpose of this utility model is to provide a kind of step-by-step movement with vertical lift double-deck circulation Conveying mechanism, be by step device, air cylinder driven mechanism, bidirectionally limited assembly, lifting platform, consignment trolley apolegamy, and lead to Cross melt pit, pedal, adjustable limiting end shelves assembly, platform v shape track, platform flat shape track, Pneumatic elevation limit assembly, outside defeated Send stand, right-hand member stepping collision block, foundation bolt component, stand flat shape rail, stand v shape track, the design of spacing Assembly of pin, complete Become a kind of sequential combination of the bilayer of the step-by-step movement with vertical lift circulation conveying mechanism, solve delivery utensil horizontal line to liter The stroke limit of fall table top and the horizontal sliding problem easily occurring when lifting runs, in addition, further increase required Put in place at several stepping stations accuracy and solve mutual accurate of delivery track in circulation conveying mechanism termination Docking problem.This circulation conveying mechanism, not only floor space is little, adapts to topical regional production distribution demand, and conceives new Grain husk, unique structure is it is easy to fabrication and installation, and has good use value.

In order to realize utility model purpose described in the utility model, this utility model employs the following technical solutions:

A kind of bilayer of the step-by-step movement with vertical lift circulation conveying mechanism, comprising: two step devices, two air cylinder driven Mechanism, bidirectionally limited assembly, two lifting platforms, some consignment trolleys, also include: two melt pits, two pieces of pedals, two Adjustable limiting end shelves assembly, two platform v shape tracks, two platform flat shape tracks, two Pneumatic elevation limit assemblies, one outer Portion's conveying platform frame, several right-hand member stepping collision blocks, several foundation bolt component, two stand flat shape tracks, two stand v shapes Track, several spacing Assembly of pin；Described outside conveying platform frame, in upper and lower double-layer structure form, the upper and lower are each divided Other configured in parallel has stand flat shape track, stand v shape track；Described step device, a configuration is on outside conveying platform frame upper strata And can along upper strata direction of advance x stepping move ahead and upper strata direction of retreat x' stepping after row, another configuration in lower floor and can along under Layer the stepping of direction of advance z move ahead and lower floor's direction of retreat z' stepping after row, wherein, two erection support assemblies are respectively arranged on On stand lateral wall；Described air cylinder driven mechanism, an employing first pushes assembly and second and pushes assembly and configure in outside Lower floor's left upper end of conveying platform frame, another draws sending component and second to draw sending component and configure in outside conveying platform frame using first Lower floor's upper right side；Described bidirectionally limited assembly, on outside conveying platform frame upper strata and its cylinder support seat is arranged on stand for configuration On lateral wall；Described lifting platform, one configuration on the left of outside conveying platform frame termination and be placed on left side melt pit in, another Configure in right side termination and be placed in the melt pit on right side, and the two corresponding in opposite directions placement；Described some consignment trolleys, place On the stand flat shape track and stand v shape track of outside conveying platform frame, and force-applied after do horizontal sliding and running thereon, that is, Flat wheel assembly on consignment trolley and v wheel assembly are corresponded with its stand flat shape track and stand v shape track respectively；Described can Adjust positive stop end shelves assembly, on the lifting table plate of left side lifting platform, another configuration is on the lifting table plate on right side for a configuration； Described, with v shape track and platform flat shape track, is arranged respectively on the respective lifting table plate on left side and right side, and with outer Stand flat shape track on portion's conveying platform frame is corresponding with stand v shape track；Described Pneumatic elevation limit assembly, a configuration exists On the lifting table plate of left side lifting platform, another configuration is on the lifting table plate on right side；Several right-hand member stepping collision blocks described, point Han not be associated on the bottom righthand side of vehicle body component of several consignment trolleys and arrangement corresponding in opposite directions with left end stepping collision block；If described Dry foundation bolt component, is arranged respectively at the stand lateral wall lower end base of outside conveying platform frame；Several spacer pins described Shaft assembly, is arranged respectively at the right side lower end of several consignment trolley vehicle body components, and with bidirectionally limited assembly in be located at vertically Spacing a block under state or spacing b block are corresponding.

Described adjustable limiting end shelves assembly, including two bearings, two stay bolt securing members；Described bearing, in l shape, It is configured with platform v shape track before the front end face of one of bearing, be configured with platform flat shape track before another front end face, the two is equal Connected firmly on lifting table plate by securing member；Described stay bolt securing member, positioned at the upper end of bearing and its bolt head be located at front The side of end face.

Described Pneumatic elevation limit assembly, including limit shaft, fairlead, cylinder, oval styletable holding screw of slotting；Described Fairlead, is connected firmly on lifting table plate by securing member, and is placed with the limit shaft that can divide a word with a hyphen at the end of a line in it；Described cylinder, by tight Firmware connects firmly the lower section in lifting table plate, and its piston rod end connects firmly the lower end in limit shaft by securing member；Described spacing Axle, the axis hole of its upper end corresponds to the bearing pin in spacing Assembly of pin described later.

Described foundation bolt component, including lower margin bearing, recessed circle baffle plate, briquetting, hook bolt with pressure；Several ground described The support outer side of foot bearing connects firmly the stand lateral wall lower end base in outside conveying platform frame；Described hook bolt screw thread with pressure End, screws in the screw on base-plate and its pressure head is by entering briquetting at the shape of falling t opening；Described recessed circle baffle plate, by tight Firmware connects firmly on briquetting top.

Described spacing Assembly of pin, including gusset piece, bearing pin, axle sleeve；Described gusset piece connects firmly in consignment trolley car body group Part side lower end, plate hole thereon and two fabrication holes are located on same centrage；Described axle sleeve, is placed in plate hole and takes Interference fit；Described bearing pin, is placed in axle sleeve and takes interference fit.

Due to employing techniques discussed above scheme, this utility model can reach following beneficial effect:

1st, this utility model passes through step device, air cylinder driven mechanism, bidirectionally limited assembly, lifting platform, consignment trolley Match and combine, a kind of enclosed and the little three-back-shaped step-by-step movement with vertical lift of floor space is double-deck circulates for being formed Conveying mechanism, meets " heavy load, multistation, non-lift, laterally run " and several stepping works in a certain local section Need " putting in place accurately " material to include consigning the circulation conveying of utensil at position, establish good technical foundation, and for constituting one New technical scheme serves positive supporting role with producing new technique effect.

2nd, this utility model pass through melt pit, pedal, adjustable limiting end shelves assembly, platform v shape track, platform flat shape track, Pneumatic elevation limit assembly, outside conveying platform frame, right-hand member stepping collision block, the design of foundation bolt component, not only solve in group Delivery utensil horizontal line appeared in conjunction process is to the stroke limit of Lifting platform and the water that easily occurs when lifting runs Flat slippage, and further improves material and include consigning utensil putting in place accurately at several stepping stations required Property and in the mutual accurate docking problem of circulation conveying mechanism end delivery track.

3rd, not only floor space is little for this utility model, adapts to topical regional production distribution demand, and novel, knot Structure is unique, and is easy to fabrication and installation, has good use value.

Brief description

Fig. 1 is driving steeraxle shell schematic diagram before tractor；

Fig. 2 is a kind of step device schematic diagram；

Fig. 3 is the a-a view of Fig. 2；

Configuration schematic diagram when Fig. 4 is used for pushing for a kind of air cylinder driven mechanism；

Fig. 5 is the k direction view of Fig. 4；

Fig. 6 is used for drawing configuration schematic diagram when sending for a kind of air cylinder driven mechanism；

Fig. 7 is the m direction view of Fig. 6；

Fig. 8 is a kind of bidirectionally limited assembly schematic diagram；

Fig. 9 is the b-b view of Fig. 8；

Figure 10 is a kind of lifting platform schematic diagram；

Figure 11 is a kind of consignment trolley schematic diagram；

Figure 12 is the n direction view of Figure 11 no axle housing part；

Figure 13 is the p direction view of Figure 11 no axle housing part；

Figure 14 is conveying mechanism schematic diagram described in the utility model；

Figure 15 is the c-c view of Figure 14；

Figure 16 is the d-d view of Figure 14；

Figure 17 is adjustable limiting end described in the utility model shelves component diagram；

Figure 18 is the q direction view of Figure 17；

Figure 19 is the r direction view of Figure 18；

Figure 20 is Pneumatic elevation limit assembly schematic diagram described in the utility model；

Figure 21 is the e-e view of Figure 20；

Figure 22 is foundation bolt component schematic diagram described in the utility model；

Figure 23 is the s direction view of Figure 22；

Figure 24 is the f-f view of Figure 23；

Figure 25 right-hand member described in the utility model stepping collision block configuration schematic diagram；

Figure 26 spacing Assembly of pin schematic diagram described in the utility model；

Figure 27 is the g-g view of Figure 26；

Figure 28 is one of conveying mechanism operating diagram described in the utility model；

Figure 29 is the h-h view of Figure 28；

Figure 30 is the two of conveying mechanism operating diagram described in the utility model；

Figure 31 is the three of conveying mechanism operating diagram described in the utility model；

Figure 32 is the four of conveying mechanism operating diagram described in the utility model.

In figure: 1, axle housing part；1a, axle housing inner chamber；1c, Chinese lute face；1c, dowel hole；2nd, step device；2a, matrix Operating component；2b, left side pull-fork assembly；2c, right side pull-fork assembly；2d, rolling support limit assembly；2e, rack pinion Assembly；2f, erection support assembly；2g, translator reductor；3rd, air cylinder driven mechanism；3a, base assembly；3b, double guiding group Part；3c, the first push assembly；3d, the second push assembly；3e, first draw sending component；3f, second draw sending component；3g, strength are driven Dynamic assembly；4th, bidirectionally limited assembly；4a, limited step bearing pin；4b, rotating shaft limit assembly；4c, air power steering assembly；4ba, limit Position a block；4bb, spacing b block；4d, cylinder support seat；5th, lifting platform；5a, band guide rod lifting table plate assembly；5aa, lifting table plate； 5b, electric threaded shaft lifting assembly；5c, automatically controlled stroke limit assembly；5d, band guide pin bushing support stand assembly；6th, consignment trolley； 6a, alignment pin；6b, positioning thin plate；6c, vehicle body component；6ca, left end stepping collision block；6cb, connection a plate；6cc, fabrication hole；6d、 Flat wheel assembly；6e, v wheel assembly；7th, melt pit；8th, pedal；9th, adjustable limiting end shelves assembly；10th, platform v shape track；11st, platform is with putting down Shape track；12nd, Pneumatic elevation limit assembly；13rd, outside conveying platform frame；13a, stand lateral wall；14th, right-hand member stepping collision block；15、 Foundation bolt component；16th, stand flat shape track；17th, stand v shape track；18th, spacing Assembly of pin；19th, bearing；19a, front end Face；20th, stay bolt securing member；21st, limit shaft；21a, axis hole；22nd, fairlead；23rd, cylinder；23a, piston rod；24th, fluting length Cylinder end clamping fixed screw；25th, lower margin bearing；25a, support outer side；25b, base-plate；26th, recessed circle baffle plate；27th, briquetting； 27a, the shape of falling t opening；28th, hook bolt with pressure；28a, pressure head；29th, gusset piece；29a, plate hole；30th, bearing pin；31st, axle sleeve；32nd, left End probe cleaning device；33rd, right-hand member probe cleaning device.

Another in figure: x, upper strata direction of advance；X', upper strata direction of retreat；Y, ascent direction；Y', descent direction；Before z, lower floor Enter direction；Z', lower floor's direction of retreat；L1, stepping stroke；L2, lifting travel；φ d1, lumen inlet aperture；φ d2, probe are led Pipe external diameter.

Specific embodiment

Know by Figure 14, Figure 15, Figure 16 and with reference to Fig. 1 to Figure 13, a kind of bilayer circulation conveying of the step-by-step movement with vertical lift Mechanism, comprising: two step devices 2,3, one, Liang Ge air cylinder driven mechanism, 4, two lifting platforms 5 of bidirectionally limited assembly, some Platform consignment trolley 6, also includes: two melt pits, 9, two platform v shape tracks of 8, two adjustable limiting end shelves assemblies of 7, two pieces of pedals 10th, two platform 12, outside conveying platform frames 13 of 11, two Pneumatic elevation limit assemblies of flat shape track, several right-hand members steps Enter collision block 14,16, two stand v shape tracks 17 of 15, two stand flat shape tracks of several foundation bolt component, several are spacing Assembly of pin 18；Described outside conveying platform frame 13, in upper and lower double-layer structure form, configured in parallel is each distinguished in its upper and lower There are stand flat shape track 16, stand v shape track 17, this upper and lower two-layer collocation form is in order to be easy to be subsequently formed one Kind can " vertical+level " direction run and floor space is little, the double-deck cyclic conveyor of three-back-shaped step-by-step movement of band vertical lift Structure, in addition, outside conveying platform frame 13(includes stand flat shape track 16, stand v shape track 17) length, can be according to actually used Needs determined；Described step device 2, a configuration is on outside conveying platform frame 13 upper strata and can be along upper strata direction of advance x Stepping move ahead and upper strata direction of retreat x' stepping after row, another configuration is move ahead can in lower floor and along lower floor's direction of advance z stepping With row after lower floor direction of retreat z' stepping, wherein, two erection support assembly 2f are respectively arranged on the 13a of stand lateral wall (Figure 15 shows), in addition, step device 2 overall length that upper strata is adopted is greater than step device 2 overall length that lower floor is adopted, i.e. lower floor Overall length answers rare two stepping station numbers, is configured so that purpose, is in order to avoid two lifting platforms 5 subsequently being adopted rise at it Two terminations of the matrix operating component 2a in the step device 2 that fall platen 5aa is adopted with lower floor when falling interfere (Figure 14 Shown), impact lifting table plate 5aa falls and puts in place；Described air cylinder driven mechanism 3, an employing first pushes assembly 3c and second Push assembly 3d, and configure in outside conveying platform frame 13 lower floor's left upper end, another draws sending component 3e and second to draw using first Sending component 3f, and configure in outside conveying platform frame 13 lower floor's upper right side, it is configured so that purpose is to solve the stepping of above-mentioned lower floor Device 2 overall length is due to less than two stepping station vacancy problems existing for upper strata step device 2 overall length；Described bidirectionally limited total Become 4, on outside conveying platform frame 13 upper strata and its cylinder support seat 4d is arranged on the 13a of stand lateral wall (Figure 15 shows) for configuration, this It is because that upper strata need to have several to need at the stepping station of " putting in place accurately ", that is, the stepping being described before needing to avoid the occurrence of moves ahead " front push away dislocation " and stepping return " post-tensioning dislocation " problem, if this needs of lower floor, also can be configured accordingly；Described liter Fall platform 5, one configuration on the left of outside conveying platform frame 13 termination and be placed on left side melt pit 7 in, another configuration in right-hand end Head and being placed in the melt pit 7 of right side, and the two corresponding in opposite directions place, be configured so that purpose, be to reduce this utility model institute Stating shared spatial altitude on ground surface for the conveying mechanism, being also convenient for operator with regard to low enforcement material handling, in addition, joining simultaneously Put the purpose of pedal 8, be that operator implement material handling near lifting platform 5 nearby for convenience；Described some deliverys are little Car 6, is placed on the stand flat shape track 16 and stand v shape track 17 of outside conveying platform frame 13, and force-applied after do thereon Horizontal sliding and running, that is, on consignment trolley 6 flat wheel assembly 6d and v wheel assembly 6e respectively with its stand flat shape track 16 and stand v Shape track 17 corresponds；In addition, described adjustable limiting end shelves assembly 9, a lifting table plate configuring in left side lifting platform 5 On 5aa, another configures on the lifting table plate 5aa on right side, and the purpose being configured so that, is to solve consignment trolley 6 level The stroke limit problem easily occurring when row is to Lifting platform；Described, with v shape track 10 and platform flat shape track 11, is respectively configured On the respective lifting table plate 5aa positioned at left side and right side, and should be with outside conveying platform frame 13 upper stage flat shape track 16 and platform Frame v shape track 17 is corresponding；Described Pneumatic elevation limit assembly 12, a lifting table plate 5aa configuring in left side lifting platform 5 On, another configures on the lifting table plate 5aa on right side, and the purpose being configured so that, is to solve consignment trolley 6 in lifting platform The horizontal sliding problem easily occurring when running with lifting platform 5 lifting on face；Several right-hand member stepping collision blocks 14 described, weldering connection respectively On the bottom righthand side of several consignment trolleys 6 vehicle body component 6c and with left end stepping collision block 6ca in opposite directions corresponding arrangement, be configured so that Purpose, be for convenience in lower floor's step device 2 left side pull-fork assembly 2b, right side pull-fork assembly 2c from the car body of consignment trolley 6 Assembly 6c bottom righthand side is stirred it and is moved ahead (Figure 14 shows) along lower floor's direction of advance z stepping；Several foundation bolt component 15 described, point It is positioned respectively at the stand lateral wall lower end base of outside conveying platform frame 13, is configured so that purpose, be that adjustment for convenience is outside defeated Send stand 13 height and horizontal level, be easy to platform v shape track 10 at the two ends lifting of circulation conveying mechanism, platform flat shape rail Road 11 accurate dock mutual with stand v shape track 17, stand flat shape track 16 puts in place；Several spacing Assembly of pin described 18, be arranged respectively at the right side lower end of several consignment trolleys 6 vehicle body component 6c, and with bidirectionally limited assembly 4 in be located at vertically Spacing a block 4ba or spacing b block 4bb under state is corresponding (Figure 15 shows), in addition, described spacing Assembly of pin 18 quantity, should be with Consignment trolley 6 quantity used is completely the same.

Know by Figure 17, Figure 18, Figure 19 and with reference to Figure 10 to Figure 16, described adjustable limiting end shelves assembly 9, including two bearings 19th, two stay bolt securing members 20；Described bearing 19, in l shape, before the front end face 19a of one of bearing 19, is configured with platform With v shape track 10, before another front end face 19a, it is configured with platform flat shape track 11, and the two is all connected firmly in lifting by securing member On platen 5aa；Described stay bolt securing member 20, positioned at bearing 19 upper end and its bolt head be located at front end face 19a side, need Illustrate, bolt head system is used for stopping that consignment trolley 6 continuation level on Lifting platform moves ahead, stroke limit can be played and make With, wherein, concrete restraining position, can be determined by elastic nut adjustment thereon.

Know by Figure 19, Figure 20, Figure 21 and with reference to Figure 10 to Figure 16, described Pneumatic elevation limit assembly 12, including limit shaft 21st, fairlead 22, cylinder 23, oval styletable holding screw 24 of slotting；Described fairlead 22, is connected firmly in lifting platform by securing member On plate 5aa, and in it, it is placed with the limit shaft 21 that can divide a word with a hyphen at the end of a line, it should be noted that configuration guides on the lifting table plate 5aa of left side Set 22 connects firmly position with the upper fairlead 22 of right side lifting table plate 5aa, because of the corresponding in opposite directions placement of above-mentioned two lifting platform 5, so Different (Figure 16 shows), but all should configure outside platform v shape track 10, it is configured so that purpose, be in order to general same, subtract The configuration quantity of few aftermentioned spacing Assembly of pin 18；Described cylinder 23, is connected firmly below lifting table plate 5aa by securing member, and Its piston rod 23a termination is connected firmly in limit shaft 21 lower end by securing member；Described limit shaft 21, the axis hole 21a of its upper end corresponds to Bearing pin 30 in aftermentioned spacing Assembly of pin 18, the purpose being configured so that is the axis hole after rising for the ease of limit shaft 21 21a is enclosed within bearing pin 30, then prevents consignment trolley 6 from horizontal sliding phenomenon when running with lifting platform 5 lifting.

Know by Figure 22, Figure 23, Figure 24 and with reference to Figure 10 to Figure 16, described foundation bolt component 15, including lower margin bearing 25, Recessed circle baffle plate 26, briquetting 27, hook bolt with pressure 28, in addition, required lower margin bearing 25 quantity can be true according to actually used situation Fixed；The support outer side 25a of several lower margin bearings 25 described connects firmly the stand lateral wall lower end bottom in outside conveying platform frame 13 Portion；Described hook bolt with pressure 28 end of thread, screw on base-plate 25b screw and its pressure head 28a by the shape of falling t opening 27a at Enter briquetting 27, it should be noted that passing through several lower margin bearing 25 upper band pressure head bolts 28 of turn up or down, you can Adjustment determines outside conveying platform frame 13 height and horizontal level, then reaches the conveyor track implemented at circulation conveying mechanism two ends The purpose that road accurately docks each other；Described recessed circle baffle plate 26, is connected firmly on briquetting 27 top by securing member.

Know by Figure 25, Figure 26, Figure 27 and with reference to Figure 10 to Figure 16, described spacing Assembly of pin 18, including gusset piece 29, pin Axle 30, axle sleeve 31；Described gusset piece 29 connects firmly in consignment trolley 6 vehicle body component 6c side lower end (Figure 15, Figure 16 show), its upper plate Hole 29a and two fabrication hole 6cc is located on same centrage (Figure 15, Figure 16 simultaneously show referring to Figure 12), and complete in clamped one time Become the processing of its fabrication hole 6cc and plate hole 29a, the purpose of do so, be to change original technology by limited step bearing pin 4a Directly weldering is associated on the connection a plate 6cb of consignment trolley 6, is to improve its plate hole 29a size and positional precision it is ensured that its plate Homogeneity on some consignment trolleys 6 used for the hole 29a, it is to avoid original technology because take weldering connection measure caused by size and Positional precision is difficult to accurate control, that is, it is not same to avoid occurring each other difference, improves further at required stepping station Put in place accuracy；Described axle sleeve 31, is placed in plate hole 29a and takes interference fit；Described bearing pin 30, is placed in axle sleeve 31 And take interference fit.

With reference to Figure 28 to Figure 32 and combine Fig. 1 to Figure 27, lift one embodiment explanation described in the utility model " circulate defeated Send mechanism " working condition.

Known by Figure 28 to Figure 32, " conveying mechanism " described in the utility model has completed between its assembling and required mutual alignment Docking adjustment, and configure at washing and cleaning operation scene, and be in can working condition.

Further illustrate:

1) material that at the scene, required stepping conveys and need to implement to clean is axle housing part 1, and the inner chamber of axle housing inner chamber 1a enters Oral pore footpath φ d1=80mm, in addition, the unidirectional length=1600mm of axle housing, belongs to unidirectional (axial) longer dimension material, and needs Simultaneously meet " heavy load, multistation, non-lift, laterally run " step-by-step movement circulation conveying require.

2) at the scene, the step device 2 of outside conveying platform frame 13 upper-layer configured, includes axle housing part for consignment trolley 6( 1) platform v shape track 10, the platform flat shape rail of left end and right-hand member is included in upper strata stand flat shape track 16, stand v shape track 17( Road 11) on along upper strata direction of advance x(→) stepping moves ahead, wherein, stepping stroke l1 is 525mm；The step device of lower floor's configuration 2, for consignment trolley 6 on substructure flat shape track 16, stand v shape track 17 along lower floor's direction of advance z(←) before stepping OK.Above-mentioned step device used 2, is the patent No. using authorized " stepping type conveying device " patented technology: zl201520699473.5.

3) at the scene, the air cylinder driven mechanism 3 of outside conveying platform frame 13 lower floors left upper end configuration, for will be positioned at lower floor's platform Frame flat shape track 16, the consignment trolley 6 level " push " of stand v shape track 17 " left end " are to being in lifting platform during lowering position On 5 platform v shape track 10, platform flat shape track 11；The air cylinder driven mechanism of outside conveying platform frame 13 lower floors upper right side configuration 3, for the platform v shape track 10 of lifting platform 5 during lowering position, the consignment trolley 6 on platform flat shape track 11 will be located in Level " draw and send " is to the stand flat shape track 16, stand v shape track 17 of lower floor's " right end ".Above-mentioned air cylinder driven mechanism used 3, it is using authorized " air cylinder driven mechanism " patented technology, the patent No.: zl20152069 9492.8.

4) lifting platform 5 at the scene, configuring in outside conveying platform frame 13 " left end " melt pit 7, for being in the zero load of low level Consignment trolley 6 is along ascent direction y(↑) run up to a high position, wherein lifting travel l2 is 600mm；Outside conveying platform frame 13 is " right The lifting platform 5 of configuration in the melt pit 7 of end ", for being in the unloaded consignment trolley 6 of a high position along descent direction y'(↓) run downwards to Low level wherein lifting travel l2 is 600mm.Above-mentioned lifting platform used 5, is using authorized " a kind of band vertically-guided and row The lifting platform of process control " patent, the patent No.: zl201520324988.7.

5) at the scene, circulation conveying mechanism is placed with 12 consignment trolleys 6, wherein, positioned at 7 consignment trolleys on upper strata Each it is placed with an axle housing part 1 on 6, and has completed its respective " plane and two pits " positioning and place, i.e. 1c is flat in Chinese lute face It is placed on positioning thin plate 6b, two dowel hole 1c have been mounted on alignment pin 6a.Consignment trolley 6 used, is using being granted A kind of power " consignment trolley for step-by-step movement conveying and axle housing Cleaning of Parts " patent, the patent No.: zl20152103808 7.8.

6), at the scene, at 3 stepping stations on outside conveying platform frame 13 upper strata, it is configured with 6 " probe cleaning devices ", That is, the externally-located conveying platform frame 13 3 left end probe cleaning devices 32 in left side and 3, right side right-hand member probe cleaning device 33(figure 28th, shown in Figure 29), wherein, probe catheter external diameter φ d2=76mm." probe cleaning device " used, is using authorized A kind of " electronic probe cleaning device for axle housing inner chamber " patent, the patent No.: zl201520324988.7.

7) at the scene, be configured with 6 in conjunction with above-mentioned 3 stepping stations " probe cleaning device " and its probe need insert Run to axle housing inner chamber 1a and implement cleaning, and because of φ d1- φ d2=80-76=4mm, monolateral balance of 2mm, so, outside One bidirectionally limited assembly 4(Figure 29 of portion's conveying platform frame 13 upper-layer configured simultaneously shows referring to Figure 16), and have chosen 3 spacing a blocks 4ba and 3 spacing b block 4bb, and all mounting and adjusting puts in place, the accuracy that puts in place meeting whereby at the stepping station of 3, upper strata will Ask, prevent " front push away dislocation " or " post-tensioning dislocation " situation from occurring, it is to avoid probe insertion axle housing inner chamber 1a implements cleaning and goes out because of dislocation Now interfere, or even damage probe." bidirectionally limited assembly " used, be the application of the applicant's early stage " a kind of be used for step-by-step movement The bidirectionally limited assembly of conveying " patent, application number: 201620342216.0.

8) at the scene, on two lifting platforms 5 of configuration in left end and right-hand member melt pit 7, adjustable limiting end shelves assembly 9 is equal Install, be adjusted in place, that is, after on consignment trolley 6 horizontal line to platform v shape track 10, platform flat shape track 11, can be according to need Rest on desired location, facilitate the axis hole 21a after rising in Pneumatic elevation limit assembly 12 to be enclosed within spacing Assembly of pin 18 On bearing pin 30, prevent the horizontal sliding phenomenon that consignment trolley 6 occurs when running with lifting platform 5 lifting.In addition, two Pneumatic elevations Limit assembly 12 is also installed to respective specified location respectively in accordance with respective requirement, that is, on respective lifting table plate 5aa.

9) at the scene, 8 lower margin bearings 25 of outside conveying platform frame 13 stand lateral wall lower end base connect firmly and put in place, and Complete the mutual accurate docking adjustment work of delivery track at conveying mechanism two ends, disclosure satisfy that consignment trolley 6 exists On track after the docking of its termination, smoothly carrying out horizontal runs, and prevents from sending out because of the phenomenon of jolting of the operation caused by rail height dislocation Raw.In addition, in the vehicle body component 6c side lower end of its 12 consignment trolleys 6, all having completed 12 limits by its " homogeneity " requirement Position Assembly of pin 18 configure, can avoid original technology because take weld connection measure caused by size and positional precision be difficult to accurately handle The difference not same problem that control occurs, reaches the purpose improving its accuracy that puts in place at required stepping station further then.

Below by Figure 28 to Figure 32 and with reference to Fig. 1 to Figure 27, go on to say the work of " conveying mechanism " described in the utility model Make cyclic process.

(1) initiate working condition

1) left end

1-1) left end lifting platform 5 is along ascent direction y(↑) rise put in place, include on thereon consignment trolley 6 operation Personnel have positioned and have put axle housing part 1, in addition, limit shaft 21 has been in the spacing shape of rise in Pneumatic elevation limit assembly 12 State, that is, the axis hole 21a being located in fairlead 22 has been enclosed within the bearing pin 30 of consignment trolley 6 vehicle body component 6c lower end；

1-2) lower floor's left upper end air cylinder driven mechanism 3 is in home state, first pushes assembly 3c, the second push assembly 3d is in retraction and does not push state, in addition, the stand in two outside conveying platform frame 13 lower end configurations pushing the outer front end of assembly On flat shape track 16, stand v shape track 17, parked have a unloaded consignment trolley 6；

2) upper end

2-1) the stand flat shape track 16 of outside conveying platform frame 13 upper-layer configured, on stand v shape track 17, placed six Consignment trolley 6, and correspond respectively at respective stepping station, in addition, positioning placed 6 axle housing parts 1 respectively thereon；

2-2) upper strata step device 2 is in home state, in addition, according to the stepping station number of required enforcement, step device 2 7 groups of pull-fork assemblies are matched, i.e. 7 left side pull-fork assembly 2b and 7 right side pull-fork assemblies, wherein, except 1 group of low order end Outward, the shift fork in remaining 6 groups of pull-fork assembly is all close to the left end stepping collision block 6ca in vehicle body component 6c；

2-3) the bidirectionally limited assembly in upper strata 4 is in home state, and that is, spacing a block 4ba therein is in vertical position, spacing b Block 4bb is in horizontal level, shows: the spacing bearing pin 30 of vehicle body component 6c lower end has touched spacing a block 4ba, has limited delivery Dolly 6 moves ahead effect lower edge upper strata direction of advance x(→ in step device 2) stepping of turning right move ahead (Figure 28, Figure 29 show) it is therefore an objective to Move ahead " front push away dislocation " problem in order to avoid stepping, but along upper strata direction of retreat x'(←) after stepping of turning left row then consign little 6 unrestricted b block 4bb of car limit.

Illustrate: at 3 stepping stations on outside conveying platform frame 13, be furnished with 6 " probe cleaning device ", that is, it is located at outer Portion's conveying platform frame 13 3 left end probe cleaning devices 32 in left side and 3, right side right-hand member probe cleaning device 33, probe catheter thereon External diameter φ d2, corresponds respectively to the lumen inlet aperture d1 of axle housing inner chamber 1a, and probe cleaning device is in being not inserted into inner chamber The state of cleaning.

) right-hand member

3-1) right-hand member lifting platform 5 is along ascent direction y(↑) rise and put in place, no consignment trolley 6 and axle housing part 1 thereon, separately Outward, in Pneumatic elevation limit assembly 12, limit shaft 21 has been in and has fallen non-spacing state, that is, the axis hole 21a being located in fairlead 22 Fall；

3-2) lower floor's upper right side air cylinder driven mechanism 3 is in home state, first draws sending component 3e, second draws sending component 3f is in bounce back not drawing and send state, in addition, the stand configuring two outside conveying platform frame 13 lower ends drawing sending component Inner Front End On flat shape track 16, stand v shape track 17, not parked have a unloaded consignment trolley 6；

4) lower end

4-1) the stand flat shape track 16 of outside conveying platform frame 13 lower floor configuration, on stand v shape track 17, placed five Consignment trolley 6, and correspond respectively at respective stepping station, in addition, not positioning 5 axle housing part 1(figures of placement thereon 28th, Figure 29 shows)；

4-2) lower floor's step device 2 is in home state, in addition, according to the stepping station number of required enforcement, step device 2 5 groups of pull-fork assemblies are matched, i.e. shift fork in 5 left side pull-fork assembly 2b and 5 right sides pull-fork assemblies, and 5 groups of pull-fork assemblies All it is close to the right-hand member stepping collision block 14 connecting firmly on vehicle body component 6c.

(2) cycle of operation step

It is under most preferably initial operating condition at above-mentioned " left, up, right, down " end, described conveying mechanism cycle of operation, Step is as follows:

1) left end spacing fall → the clockwise spacing → upper end stepping in upper end after row → upper end reverse spacing

After 1-1) left end lifting platform 5 rises and includes placed axle housing part 1 on consignment trolley 6, left end Pneumatic elevation is spacing In assembly 12, limit shaft 21 falls in non-spacing state, that is, be located at axis hole 21a in fairlead 22 and depart from consignment trolley 6 vehicle body component The bearing pin 30 of 6c lower end；

1-2) the bidirectionally limited assembly in upper strata 4 is spacing along rotating clockwise, and that is, spacing a block 4ba is in horizontal level, spacing b block 4bb is in vertical position, shows: the spacing bearing pin in vehicle body component 6c lower end 30 has touched spacing b block 4bb, has limited consignment trolley 6 Row effect lower edge upper strata direction of retreat x'(← after step device 2) row after stepping of turning left, but along upper strata direction of advance x(→) past The right stepping then 6 unrestricted a block 4ba of consignment trolley that move ahead limit；

1-3) upper strata step device 2 departs from home state, and that is, matrix operating component 2a therein is together with left side pull-fork assembly 2b, right side pull-fork assembly 2c are together individually along upper strata direction of retreat x'(←) one stepping stroke l1 of row after stepping of turning left (525mm), until Overstroke, but due to the spacing b block 4bb position-limiting action in vertical position, prevent consignment trolley 6 because Being rubbed by row after shift fork draws " post-tensioning dislocation " problem that effect occurs to occur；

1-4) when upper strata step device 2 is along upper strata direction of retreat x'(←) turn left stepping after row put in place after,

The bidirectionally limited assembly in upper strata 4 starts to reverse spacing, causes spacing a block 4ba to return vertical position, spacing b block 4bb weight Return horizontal level, show: though follow-up consignment trolley 6 can be along upper strata direction of advance x(→) stepping moves ahead, when under vehicle body component 6c The spacing bearing pin 30 of end configuration moves ahead after touching spacing a block 4ba, and it moves ahead and is limited；

2) upper end stepping moves ahead the → spacing rise of right-hand member

2-1) upper strata step device 2 is along upper strata direction of advance x(→) stepping of turning right moves ahead, i.e. by left side pull-fork assembly 2b, right side pull-fork assembly 2c move ahead and stir the effect of left end stepping collision block 6ca on consignment trolley 6, and related promotion is located at left end liter Fall platform 5 is appeared on the stage with v shape track 10, platform flat shape track 11 and outside conveying platform frame 13 upper strata stand flat shape track 16, stand v Seven placing on shape track 17 have load consignment trolley 6(to include axle housing part 1), start to interlock together along upper strata direction of advance x (→) stepping of turning right moves ahead, until spacing bearing pin 30 moves ahead and touches out of service after spacing a block 4ba, shows: above-mentioned seven deliverys Dolly 6 and axle housing part 1 stepping thereon have moved ahead a stepping stroke l1(525mm), state of keeping in the center, wherein, due to The position-limiting action of spacing a block 4ba, therefore prevents consignment trolley 6 to send out because of " front the push away dislocation " problem of the effect of inertia appearance that moves ahead Raw；In addition, also including following two situations:

2-1-1) consignment trolley 6 on left end lifting platform 5 and thereon axle housing part 1, by upper strata step device 2 along before upper strata Enter direction x(→) moving ahead has been transported to outside conveying platform frame 13 upper strata stand flat shape track 16, the most left on stand v shape track 17 At the stepping station of end；

2-1-2) outside conveying platform frame 13 upper strata stand flat shape track 16, at stand v shape track 17 low order end stepping station Consignment trolley 6 and axle housing part 1 thereon, by upper strata step device 2 along upper strata direction of advance x(→) moving ahead has been transported to Rise to the platform v shape track 10 of right-hand member lifting platform 5 of a high position, on platform flat shape track 11；

2-2) be transported to platform v shape track 10 on right-hand member lifting platform 5 when consignment trolley 6, on platform flat shape track 11 Afterwards, in right-hand member Pneumatic elevation limit assembly 12, limit shaft 21 rises is in spacing state, that is, the axis hole 21a set being located in fairlead 22 On the bearing pin 30 of consignment trolley 6 vehicle body component 6c lower end；

3) right-hand member table top fall → right-hand member spacing fall → lower floor's upper right side draws and gives

3-1) the axle housing part 1 on consignment trolley 6 on right-hand member lifting platform 5 is by after operator's unloading, its right-hand member lifting platform Plate 5aa is together with consignment trolley 6 thereon along descent direction y'(↓) fall next lifting travel l2(600mm), until dropping down onto Low level；

3-2) in right-hand member Pneumatic elevation limit assembly 12, limit shaft 21 falls in non-spacing state, that is, be located in fairlead 22 Axis hole 21a depart from consignment trolley 6 vehicle body component 6c lower end bearing pin 30；

3-3) lower floor's upper right side air cylinder driven mechanism 3 starts working, and draws sending component 3e, second draws sending component by first 3f is first along lower floor's direction of retreat z'(→) turn right and stretch out a stepping stroke l1(525mm), drop down onto the car of the consignment trolley 6 of low level Body assembly 6c right upper lateral, then along lower floor's direction of advance z(←) turn left one stepping stroke l1(525mm of retraction), that is, pass through to draw Shift fork on sending component touches vehicle body component 6c upper right side, consignment trolley 6 is drawn and delivers to the configuration of outside conveying platform frame 13 lower floor After high order end on stand flat shape track 16, stand v shape track 17, air cylinder driven mechanism 3 quits work, that is, return in situ；

4) right-hand member table top rise → left end table top falls → lower floor's left upper end push

4-1) right-hand member lifting platform 5 is in the case of no consignment trolley 6, along ascent direction y(↑) rise a lifting travel l2 (600mm), until rising to a high position；

4-2) consignment trolley 6 and axle housing part 1 on left end lifting platform 5, in left end high level by upper strata step device 2 stepping Move ahead and be transported to stand flat shape track 16, after stand v shape track 17 high order end, its left end lifting table plate 5aa is along descent direction y' (↓) falls next lifting travel l2(600mm), until dropping down onto low level；

4-3) lower floor's left upper end air cylinder driven mechanism 3 starts working, and pushes assembly 3c, the second push assembly by first 3d is first along lower floor's direction of advance z(←) turn left and stretch out a stepping stroke l1(525mm), and touched by pushing the shift fork in assembly And vehicle body component 6c upper right side, consignment trolley 6 is pushed to left end lifting platform 5 and appears on the stage with v shape track 10, platform flat shape track 11 After upper, then along lower floor's direction of retreat z'(→) turn right one stepping stroke l1(525mm of retraction), air cylinder driven mechanism 3 stops work Make, that is, return in situ；

5) after the stepping of lower end the stepping of row → lower end move ahead → the spacing rise of left end → left end table top rises

5-1) lower floor's step device 2 departs from situ, and that is, matrix operating component 2a therein is together with left side pull-fork assembly 2b, the right side Side pull-fork assembly 2c is together individually along lower floor's direction of retreat z'(→) one stepping stroke l1(525mm of row after stepping of turning right), directly To Overstroke；

5-3) lower end step device 2 is kept in the center, that is, by left side pull-fork assembly 2b, right side pull-fork assembly 2c along before lower floor Enter direction z(←) turn left to move ahead and stir the effect of right-hand member stepping collision block 14 on consignment trolley 6, the externally-located transport platform of related promotion Five placing on frame 13 substructure flat shape track 16, stand v shape track 17 have load consignment trolley 6, start to connect together under edge Layer direction of advance z(←) stepping of turning left moves ahead a stepping stroke l1(525mm), until Overstroke, keep in the center；

5-3) be transported to the platform v shape track 10 of left end lifting platform 5 when consignment trolley 6, on platform flat shape track 11 after, In left end Pneumatic elevation limit assembly 12, limit shaft 21 rises is in spacing state, that is, the axis hole 21a being located in fairlead 22 is enclosed within On the bearing pin 30 of vehicle body component 6c lower end of consignment trolley 6；

5-4) left end lifting platform 5 is in the case of having consignment trolley 6, along ascent direction y(↑) rise a lifting travel l2 (600mm), until rising to a high position, hereafter, operator can position on its consignment trolley 6 and lay axle housing part 1；

So far, complete a cycle of operation, initially enter subsequent work circulation.

Further illustrate: at operation field, 3 stepping stations on outside conveying platform frame 13 upper strata, " visit for 6 joined outward Pin cleaning device ", can will have a consignment trolley 6 in upper strata step device 2 and the conveying that moves ahead of axle housing part 1 stepping thereon will put in place Afterwards, you can start working, that is, its probe insertion axle housing inner chamber 1a implements cleaning, but it should be noted that in cleaning process, step device 2 must not implement stepping move ahead or stepping after row, in order to avoid interfere damage probe, security incident occurs.In addition, because being somebody's turn to do, " probe cleans Device " is not belonging to circulation conveying mechanism described in the utility model category, so, specifically do not list work described in the utility model in and follow Among the concrete steps of ring, hereby illustrate.

Finally, it should be noted that the embodiment herein selected for open the purpose of this utility model, currently It is considered suitable, it is to be understood that this utility model is intended to belong to this design and this utility model scope including all The all changes of interior embodiment and improvement.

Claims (5)

1. a kind of with vertical lift step-by-step movement bilayer circulation conveying mechanism it is characterised in that: described conveying mechanism, comprising: two Individual step device (2), Liang Ge air cylinder driven mechanism (3), bidirectionally limited assembly (4), two lifting platforms (5), some supports Fortune dolly (6), also includes two melt pits (7), two pieces of pedals (8), two adjustable limiting ends shelves assembly (9), two platform v shape rails Road (10), two platform flat shape tracks (11), two Pneumatic elevation limit assemblies (12), an outside conveying platform frame (13) if Dry right-hand member stepping collision block (14), several foundation bolt component (15), two stands flat shape track (16), two stand v shapes Track (17), several spacing Assembly of pin (18)；Described outside conveying platform frame (13), in upper and lower double-layer structure form, upper strata With lower floor each respectively configured in parallel have stand flat shape track (16), stand v shape track (17)；Described step device (2), one Configuration on outside conveying platform frame (13) upper strata and can along upper strata direction of advance x stepping move ahead and upper strata direction of retreat x' stepping after OK, another configuration in lower floor and can along lower floor's direction of advance z stepping move ahead and lower floor's direction of retreat z' stepping after row, wherein, Two erection support assemblies (2f) are respectively arranged on stand lateral wall (13a)；Described air cylinder driven mechanism (3), adopts for one With first push assembly (3c) and second push assembly (3d) and configuration outside conveying platform frame (13) lower floor's left upper end, another Individual using first draw sending component (3e) and second draw sending component (3f) and configure outside conveying platform frame (13) lower floor's upper right side； Described bidirectionally limited assembly (4), on outside conveying platform frame (13) upper strata and its cylinder support seat (4d) is arranged on outside stand for configuration On side wall (13a)；Described lifting platform (5), one configuration on the left of outside conveying platform frame (13) termination and be placed on left side ground In hole (7), another configures in right side termination and is placed in the melt pit (7) on right side, and the two corresponds in opposite directions and places；If described Dry platform consignment trolley (6), is placed on stand flat shape track (16) and stand v shape track (17) of outside conveying platform frame (13), And after force-applied, do horizontal sliding and running thereon, i.e. flat wheel assembly (6d) on consignment trolley (6) and v wheel assembly (6e) difference Correspond with its stand flat shape track (16) and stand v shape track (17)；Described adjustable limiting end shelves assembly (9), joins for one Put on the lifting table plate (5aa) of left side lifting platform (5), another configuration is on the lifting table plate (5aa) on right side；Described with V shape track (10) and platform, with flat shape track (11), are arranged respectively on the respective lifting table plate (5aa) on left side and right side, And it is corresponding with stand flat shape track (16) on outside conveying platform frame (13) and stand v shape track (17)；Described Pneumatic elevation Limit assembly (12), on the lifting table plate (5aa) of left side lifting platform (5), another configures the lifting on right side for a configuration On platen (5aa)；Several right-hand members stepping collision block (14) described, weldering respectively is associated in the vehicle body component of several consignment trolleys (6) (6c) on bottom righthand side and with left end stepping collision block (6ca) in opposite directions corresponding arrangement；Described several foundation bolt component (15), point It is positioned respectively at the stand lateral wall lower end base of outside conveying platform frame (13)；Several spacing Assembly of pin (18) described, respectively Configuration in the right side lower end of several consignment trolleys (6) vehicle body component (6c), and with bidirectionally limited assembly (4) in be located at vertical shape Spacing a block (4ba) under state or spacing b block (4bb) are corresponding.

2. according to claim 1 a kind of with vertical lift step-by-step movement bilayer circulation conveying mechanism it is characterised in that: institute State adjustable limiting end shelves assembly (9), including two bearings (19), two stay bolt securing members (20)；Described bearing (19), in l Shape, is configured with platform v shape track (10), joins before another front end face (19a) before the front end face (19a) of one of bearing (19) It is equipped with platform flat shape track (11), the two is all connected firmly on lifting table plate (5aa) by securing member；Described stay bolt securing member (20), positioned at the upper end of bearing (19) and its bolt head be located at front end face (19a) side.

3. according to claim 1 a kind of with vertical lift step-by-step movement bilayer circulation conveying mechanism it is characterised in that: institute State Pneumatic elevation limit assembly (12), including limit shaft (21), fairlead (22), cylinder (23), oval styletable clamp screw of slotting Nail (24)；Described fairlead (22), is connected firmly on lifting table plate (5aa) by securing member, and is placed with the limit that can divide a word with a hyphen at the end of a line in it Position axle (21)；Described cylinder (23), is connected firmly below lifting table plate (5aa) by securing member, and its piston rod (23a) termination leads to Cross securing member to connect firmly in limit shaft (21) lower end；Described limit shaft (21), the axis hole (21a) of its upper end corresponds to aftermentioned spacer pin Bearing pin (30) in shaft assembly (18).

4. according to claim 1 a kind of with vertical lift step-by-step movement bilayer circulation conveying mechanism it is characterised in that: institute State foundation bolt component (15), including lower margin bearing (25), recessed circle baffle plate (26), briquetting (27), hook bolt with pressure (28)；Institute The support outer side (25a) stating several lower margin bearings (25) connects firmly the stand lateral wall lower end bottom in outside conveying platform frame (13) Portion；Described hook bolt with pressure (28) end of thread, screws in the upper screw of base-plate (25b) and its pressure head (28a) is by the shape of falling t opening (27a) place enters briquetting (27)；Described recessed circle baffle plate (26), is connected firmly on briquetting (27) top by securing member.

5. according to claim 1 a kind of with vertical lift step-by-step movement bilayer circulation conveying mechanism it is characterised in that: institute State spacing Assembly of pin (18), including gusset piece (29), bearing pin (30), axle sleeve (31)；Described gusset piece (29) connects firmly in delivery Dolly (6) vehicle body component (6c) side lower end, plate hole (29a) and two fabrication holes (6cc) are located on same centrage thereon；Institute State axle sleeve (31), be placed in plate hole (29a) and take interference fit；Described bearing pin (30), is placed in axle sleeve (31) and adopts Take interference fit.