CN102441814B - Automatic transmission production line for flexible jig of truck chassis - Google Patents
Automatic transmission production line for flexible jig of truck chassis Download PDFInfo
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- CN102441814B CN102441814B CN 201110250903 CN201110250903A CN102441814B CN 102441814 B CN102441814 B CN 102441814B CN 201110250903 CN201110250903 CN 201110250903 CN 201110250903 A CN201110250903 A CN 201110250903A CN 102441814 B CN102441814 B CN 102441814B
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Abstract
The invention discloses an automatic transmission production line for a flexible jig of a truck chassis. In the production line, a unit positioning and adjusting technology of the flexible jig, an operation control system, a data acquiring and processing system and an automatic detection system are continuously and orderly provided with various stations for processing the truck chassis along the same straight line direction; the production line is provided with a track along a trending basic surface; and the track is provided with a plurality of automatic stepped transmission trolleys can move in a reciprocating way among the stations. Due to the adoption of the production line, the conventional production method of truck chassis is changed completely, continuous production and automatic delivery of finished chassis after verification on one continuous assembly line can be realized, various types of truck chassis of different lengths, widths and structure forms can be manufactured, the time for changing the production line is greatly shortened, detection can be automatically finished on the entire production line, the online production condition of the chassis is comprehended in real time, the enterprise management and quality control levels are raised, and the production efficiency is remarkably increased.
Description
Technical field
The present invention relates to the manufacturing equipment of rail vehicle assembly, be specifically related to automatic transmission production line for flexible jig of truck chassis.
Background technology
For the loading that meets different classes of goods and under unload requirement, as the lorry of railroad track transportation, truck compartment that usually must preparation plurality of specifications model.Such as: C70 type universal gondola car, L70 type foodstuff hopper wagon, C80B type open-top car, 80T level universal gondola car, C32 KM _, EM72 type bottom drop car, FMG type ore car, make every effort to open up the compartment of the heavy open-top car of ore car, 30T axle and flatcar thereof etc.Therefore, the manufacturing enterprise of boxcar must be produced according to the technical standard in different size model compartment.In general, the side plate of boxcar and the structure of end plate are substantially similar, but the formation of its underframe, size specification are different, and, underframe is as the main load bearing component of truck compartment, and its quality good or not is directly connected to the safe operation of load-carrying vehicle.For this reason, enterprise rather payes attention to the quality of production of underframe.The base plate of common a kind of model, just must make a set of independent frock of processing.With regard to current, nearly tens kinds of the types of boxcar underframe, every kind of underframe mounting or dismounting from the frock technological design to tooling device are transported to the stock, not only to consume a large amount of time, through the very long production cycle, also caused the waste of material, increase manufacturing cost.In addition, the tradition manufacture of underframe must machine one by one assembling respectively on more than ten stations.In its process, from each upper station, be displaced to the next station, all must enable gantry crane lifting and put in place, expend man-hour, production efficiency is low, also has potential safety hazard simultaneously.Moreover, in traditional mode of production, most of station assembly quality all adopts manual detection, therefore, the inadequate standard of the quality control of underframe, the mode of production is relatively backward.
Summary of the invention
The present invention proposes a kind of automatic transmission production line for flexible jig of truck chassis, purpose is by changing the traditional production technology of underframe, adopt flexible frock, and make it on a flow production line, complete continuously the finished product manufacture of underframe, the high-quality and high efficiency of being brought with the mode of production that realizes underframe optimization.
Technical solution of the present invention
It (is applicant's granted patent " rolling stock manufacture flexible production line frock, the patent No.: cell location adjusting device, management system, data acquisition processing system and automatic checkout system 200610038646.4) that the present invention adopts the flexible frock of prior art; Described production line is to be sequentially set with continuously the various stations of truck under-frame processing along same rectilinear direction, the base surface of production line across pitch (being generally ground) is provided with track, is provided with many automatic step transmission dollies of being to and between station on track.
The further technical solution of the present invention:
The initial station of described station is that the underframe group is to station; After this plurality of stations are respectively further each process station of processing of underframe; End station is the whole product verification output station of putting up of underframe.
Described lorry is that open-top car (C70 type open-top car, C80B type open-top car) underframe processing has 13 stations, is followed successively by the underframe group from beginning to end and station, enclosure group are turned over to mat formation station, floor tooled joint station, underframe of welder position, support body electric welding station, bottom frame floor to station, skeleton once turns over welder position, underframe secondary and turn over welder position, underframe and turn over welder position, one time, floor welding post, floor secondary welding station, underframe flatness for three times and correct station, underframe finished product verification output station.
Described lorry is that food hopper body frame processing has 11 stations, is followed successively by the underframe group from beginning to end and station, underframe electric welding station, skeleton are turned over to welder position, funnel, sleeper beam upper cover plate assembling station, funnel welding, crossbeam assembly welding station, bottom door assembling station, underframe once turns over welder position, underframe secondary and turn over that station is corrected in welder position, floor welded station, underframe, station is exported in the verification of underframe finished product.
Described lorry is that coal hopper body frame processing has 12 stations, is followed successively by the underframe group from beginning to end and station, side leakage strickle assembling station, skeleton are turned over to welder position, underframe electric welding station, Floor Covering station, floor tooled joint station, underframe once turns over welder position, underframe secondary and turn over welder position, floor welded station, bottom door assembling station, underframe and correct station, underframe finished product verification output station.
Described lorry is that bathtub class body frame processing has 11 stations, is followed successively by the underframe group from beginning to end and station, underframe electric welding station, skeleton are turned over to welder position, bathtub sleeper beam upper cover plate assembling station, bathtub welding post, Floor Covering station, underframe once turns over welder position, underframe secondary and turn over welder position, floor welded station, underframe and correct station, underframe finished product verification output station.
Described lorry is that flatcar (DL1 type flatcar) underframe processing has 14 stations, is followed successively by the underframe group from beginning to end and station, enclosure group are turned over to welder position, welding of underframe station, floor lay station, floor to station, skeleton press-fits station, underframe and once turn over welder position, underframe secondary and turn over welder position, one time, floor welding post, floor secondary welding station, underframe and correct station, underframe boring station, steering wheel floor installation station, underframe finished product verification output station.
Described automatic step transmission dolly is for being controlled, navigated in orbit between station and the automatically reset electric motor car of energy by management system.Described many automatic steps transmission dolly comprises automatic step lifting transmission dolly, automatic step transmission dolly, automatic stepping type hydraulic-pressure transmission dolly.
Described automatic step lifting transmission dolly is to be provided with travel driving unit, lowering or hoisting gear, guide wheel device, walking protective device on vehicle frame.
Described automatic stepping type hydraulic-pressure transmission dolly is that hydraulic means, apparatus for correcting, lowering or hoisting gear, running gear are installed on vehicle frame.
Described skeleton or underframe turn over the welder position and adopt management system to control, be provided with the split ring type tipper that two is a group, this split ring type tipper mainly is comprised of base and base drive unit, half hoop truss, framework inner support, gear and the drive unit of two symmetries, location pushing mechanism, hold down gag, ratchet mechanism, gear and drive unit, location pushing mechanism, hold down gag, ratchet mechanism are separately positioned on half hoop truss, base is arranged on linear track, and the base drive unit drives dividing of two symmetry half hoop trusses and closes.
Beneficial effect of the present invention:
(1) the present invention thoroughly changes the production method of traditional truck under-frame, realized carrying out the continuous production of underframe on the flow production line of streamlined formula, as whole of finished product underframe, through verification, automatically roll off the production line, export truck to, complete again the manufacturing of boxcar with other component matching, fundamentally simplified the mode of production of truck under-frame.
(2) the present invention adopts modularization, generalization, extendible flexible design theory, in the situation that the overall structure types of each operation frock is consistent substantially, make the general module unit can be fast, installed easily, or adjust to the right place along length over end sills, width and short transverse, thereby the type truck under-frame manufacture needs such as the open-top car that adaptation length, width and version difference, operation quantity do not wait, hopper wagon, flatcar, shortened the time of changing the line of production greatly
.
(3) production line integral body of the present invention adopts the computer main line to control the operating system of each station, the data of each station sensor collection are processed, complete automatic detection, detect that data can store, printing and statistical analysis, can control in real time the online production status of underframe, facilitate enterprise to improve production management and quality control level.
(4) production line of the present invention can be on a plurality of stations operation simultaneously, between station, utilize automatic conveying device to carry, 263 meters of total lengths, day double shift production, can produce 20 covers of C70 type gondola car chassis daily, productive temp is 40 minutes/platform cover; Or 10 covers of daily output hopper wagon underframe, productive temp is 80 minutes/platform cover, production efficiency obviously improves.
(5) production line overall appearance of the present invention, coordination, practicality, and be convenient to dismounting, installation, maintenance.
the accompanying drawing explanation
Accompanying drawing 2 is the structural representation of the initial station of the present invention;
Accompanying drawing 3 is that accessories of underframe group of the present invention is to structural representation;
Accompanying drawing 4 turns over the structural representation of welder position for skeleton of the present invention;
Accompanying drawing 5 is the structural representation of underframe rectification station of the present invention;
Accompanying drawing 6 turns over the automatic stepping between weldering the 3rd station for underframe group of the present invention to initial station to skeleton
Formula transmission dolly side-looking structural representation;
Accompanying drawing 7 is corrected twelve-station to underframe finished product verification output the 13 for underframe flatness of the present invention
Automatic stepping type hydraulic-pressure transmission dolly side-looking structural representation between station;
The structural representation that accompanying drawing 8 is split ring type tipper of the present invention.
The specific embodiment
As shown in Figure 1,
For embodiment mono-lorry is the flow process of 13 processing stations of open-top car (take C70 type open-top car, C80B type open-top car be representative) underframe, be followed successively by the underframe group from beginning to end and station, enclosure group are turned over to mat formation station, floor tooled joint station, underframe of welder position, support body electric welding station, bottom frame floor to station, skeleton once turn over welder position, underframe secondary and turn over welder position, underframe and turn over welder position, one time, floor welding post, floor secondary welding station, underframe flatness for three times and correct station, underframe finished product verification output station.Wherein, the base surface of production line across pitch and the automatic step laid transmission dolly are advanced in trajectory diagram and are omitted.Separately, the flow process of the processing stations of the truck under-frame embodiment of all the other types is not also to scheme expression.
As shown in Figure 2,
The underframe group is to station, this station is to form the main member of underframe, as central sill (draw beam), sleeper beam, crossbeam, needle beam, curb girder, the base plate that end carriage is positioned the built-in fitting steel construction forms on 1, by push-tight unit, end carriage bight 2, middle beam end positioning unit 4, curb girder push-tight unit 5. needle beams hold up positioning unit 6, curb girder push-tight positioning unit 7, central sill middle part clamping unit 8, curb girder middle part positioning unit 9, central sill positioning unit 10, center frame support lifting device 11, the vertical push-tight of central sill unit 12 supplementary radial arms hang 13 and step-by-step movement transmission dolly 3 complete underframe group pair.Group centering, used push-tight, clamping unit by central sill, end carriage, curb girder push-tight, clamping; Use and hold up unit pop-up sleeper beam, crossbeam, needle beam.And all push-tight cell cubes can be made change in displacement in X, Y, Z three-dimensional direction, so that the flexible adjustment be grouping when production different model underframe.Described step-by-step movement transmission dolly 3 adopts the screw mandrel up-down mode to lift underframe group pair, and under Frequency Converter Control, synchronous walking drives in orbit, joint sleeve (can need to adjust with different length over end sills) is installed between many dollies 3 on same circuit, after the underframe group is transferred to next station to part, all dollies are reset to the underframe group again to station.
As shown in Figure 3
The undercarriage attachment group is to station, this station be the underframe group to completed basis on, the annexes such as derailing valve, other support, checking cylinder, 120 valves, pressure limiting valve are installed on station.Specifically at base plate, form on 1, hug tight device 11, central sill pushing device 12, supplementary radial arm by derailing valve positioner 2, underframe picking-up device 3, curb girder pushing cell cube 5, other support positioner 6, the first checking cylinder locating module 7, underframe deflection adjusting device the 8, the 1 valve installation module 9, center frame support lifting device 10, central sill and hang the 13, second checking cylinder installation module the 14, the 2 120 valve installation module 15, pressure limiting valve installation module 16 and step-by-step movement transmission dolly 4 and complete.
As shown in Figure 4,
Skeleton turns over the welder position, and this station is accepted the underframe that 1 transmission of step-by-step movement transmission dolly comes, and the skeleton of underframe is carried out to reverse welding.The capital equipment of its reverse welding is half-ring tipper 4, and car lifting J-Horner 5 lifts underframe, stretches in the half-ring tipper and tightens, and adjusts walk on stage 2 position of welding, and the skeleton upset ± 90o and the 180o that carry out underframe weld, and auxiliary boom hangs 3 coordinating operations therebetween.
As shown in Figure 5,
For the underframe flatness is corrected station, by the underframe middle part, above ejection device 1, underframe rectification gantry 2, underframe detection gantry 3, underframe curb girder are corrected dolly 4 to this station, underframe cartridge positioner 5 completes the underframe flatness and corrects.
As shown in Figure 6,
For the underframe group is turned over the automatic step lifting transmission dolly between the welder position to station to skeleton, this dolly is 1 to be provided with travel driving unit 2, lowering or hoisting gear 3, guide wheel device 4, walking protective device 5 on vehicle frame, described travel driving unit passes through 22 transmissions of sprocket wheel chain by travel driving motor 21, drive active roller 23, drive return idler 24; Described lowering or hoisting gear is comprised of lifting drive motors 31, lift 32, guiding mechanism 33, conformal prop head 34, the lifting drive motors drives the lifting of leading screw, the conformal prop head is adjusted according to the change in shape of underframe sleeper beam, with guiding mechanism, coordinates, with reliable and stable picking-up underframe; Described guide wheel device 4 is comprised of directive wheel 41 and wheel carrier 42, is connected to the afterbody of car frame, and directive wheel is provided with adjusting bolt, the angle of adjustable guide wheel, and directive wheel is close to the track inboard, is the carriage walking guiding; Described walking protection (anti-rollover) device, for a pair of, is comprised of protection wheel 51 and protection wheel mount pad 52, is arranged on respectively the frame side, and the protection wheel is close to the track inboard, plays a protective role.
This automatic step lifting transmission dolly, classify one group as for four two during use, during transmission, its hoistable platform support underframe sleeper beam, between the dolly of two of the same sides, with sleeve pipe, with the adjusting screw mandrel, be connected, to have guaranteed the synchronism of dolly transmission, also can and regulate screw mandrel and regulate the distance between two dollies by sleeve pipe, to adapt to the transmission of different model underframe.
As shown in Figure 7,
For the underframe flatness is corrected twelve-station to the automatic stepping type hydraulic-pressure transmission dolly between underframe finished product verification output the 13 station.This hydraulic pressure transmission dolly is that hydraulic means 2, apparatus for correcting 3, lowering or hoisting gear 4, running gear 5 are installed on vehicle frame 1, and described hydraulic means mainly contains Hydraulic Station 21, upper top oil cylinder 22 forms; Described apparatus for correcting is arranged on the top of top oil cylinder, can carry out the rectification work of underframe curb girder; Described lowering or hoisting gear connects lift 42 by lifting drive motors 41 and forms; Running gear 5 consists of drive wheel assemblies 51 and drive motors 52 thereof, driven pulley assembly 53.
As shown in Figure 8,
Described split ring type tipper mainly is comprised of half hoop truss 2, framework inner support 3, gear device 4, location pushing mechanism 5, hold down gag 6, the ratchet mechanism 7 of base 1 and underframe drive unit 11, two symmetries.Wherein, framework inner support 3 comprises main support 31 and supplemental support 32; Gear device 4 driven wheels 41; Hold down gag comprises central sill hold down gag 61, hold-down devices 62, rolling wheel 63.During work, underframe to be welded transfers in two and half hoop trusses, half hoop truss closes up, location pushing mechanism push-tight, hold down gag compress underframe to be welded, management system control gear drive unit, gear running, ring type tipper are done the different angles upset, for welding, or open half hoop truss after welding, transfer out the underframe skeleton.
The present invention installs appropriate by technique scheme and the specific embodiment, can complete the technological process that underframe is reached the standard grade and produced:
(1) underframe group pair
(1), by the beam parts such as central sill (draw beam), sleeper beam, crossbeam, needle beam, curb girder, end carriage location, clamping, position welding and prosposition welding;
(2) the underframe group is to automatically detecting and transfer of data after completing;
(3) unclamp the clamping unit body, hold up cell cube and hold up underframe and fall extraordinary electric motor car, press transmission
Button, automatic step lifting transmission dolly by the underframe group to transferring to lower station.
(2) enclosure group pair
(1) underframe arrives enclosure group to station, and car lifting J-Horner rises underframe, and automatic step lifting transmission dolly returns to the underframe group to station; Car lifting J-Horner completes the underframe position and fixes;
(2) by each annex location, the clamping of underframe;
(3) underframe descends with the unwheeling device, by preset amount of deflection tension central sill, clamping underframe;
(4) carry out the undercarriage attachment positioning welding;
(5) unclamp all clamping devices, underframe is risen by the unwheeling device, then falls on automatic step lifting transmission dolly, then presses transmission button, by the underframe group to transferring to lower station.
(3) skeleton turns over weldering
(1) after underframe arrival skeleton body turns over fixed position, welder position, car lifting J-Horner rises underframe, and automatic step lifting transmission dolly returns to enclosure group to station;
(2) split ring type tipper closes up, and by underframe chucking fixing (tighten draw beam, fix curb girder), adjusts and welds the position of walking on stage, and carries out underframe upset ± 90o and 180o welding;
(3) after the welding, underframe is turned back to normotopia, unclamp clamping device, the unwheeling device is caught underframe, and split half-ring tipper semi-ring unclamps;
(4) car lifting J-Horner is fallen underframe on automatic step lifting transmission dolly again, presses transmission button, and the skeleton body that turns over postwelding is transferred to next station.
(4) support body electric welding
(1) skeleton body turns over underframe arrival support body electric welding (rectification) station of postwelding, and automatic step transmission dolly returns to skeleton body and turns over the welder position;
(2) carry out the positive welding of underframe skeleton and once proofread and correct;
(3) support body after electric welding, fallen underframe on transmission vehicle by car lifting J-Horner again, presses transmission button, and the support body after electric welding is transferred to next station.
(5) bottom frame floor is mated formation
(1) support body after welding and correcting arrives the bottom frame floor station of mating formation, and transmission vehicle returns to support body electric welding station;
(2) floor is pressed to the stitching position lay to the skeleton of underframe, floor piece positioning welding is (if hopper wagon hangs the funnel sub-assembly in skeleton and carries out the installation that the funnel group is right.
(3) press transmission button, the transmission vehicle of this station transfers to next station by the support body after Floor Covering.
(6) floor tooled joint
(1) the mated formation underframe on floor arrives floor tooled joint station, and transmission vehicle returns to the bottom frame floor station of mating formation;
(2) start floor tooled joint gantry device and compress the gap of floor and each beam connecting portion from an end pointwise, and press tight positioning welding (if hopper wagon removes the tooled joint gantry device, carrying out the front prosposition welding between funnel and underframe).
(3) after the floor tooled joint completes, press transmission button, transmission vehicle transfers to next station by the support body after the tooled joint of floor.
(7) underframe turns over weldering (turn over weldering continuous three times, complete on three stations respectively)
(1) underframe after the tooled joint of floor arrives underframe and turns over the welder position, and transmission vehicle returns to floor tooled joint station;
(2) the half-ring tipper closes up, and falls the unwheeling device, the underframe chucking is fixed (the chucking draw beam,
Surely live curb girder), once turn over welder position, underframe secondary at underframe and turn over the welding that welder position, underframe are turned on the welder position overturn respectively ± 90o and 180o for three times, turn between the welder position, by the transmission vehicle round-trip transmission;
(3) after three welding, underframe is turned back to normotopia, unclamp clamping device, rise the unwheeling device and catch underframe, separately the half-ring tipper;
(4) fall the unwheeling device underframe is dropped on transmission vehicle, press transmission button, the support body that turns over postwelding is transferred to next station.
(8) floor welded (double welding completes respectively on two stations)
(1) underframe through turning over postwelding for three times arrives one time, floor welding post, behind location, fall on the unwheeling device of this station, and the gripping mechanism chucking sleeper beam lower cover on the unwheeling device, underframe location chucking, transmission vehicle returns to underframe and turns over the welder position;
(2) the first special welding machine welding in welding post floor;
(3) be transferred to floor secondary welding station with extraordinary electric motor car, tighten equally operation, by the second special welding machine welding in welding post floor;
(4) after bottom frame floor has welded, unclamp clamping device, with correcting gantry, underframe is risen, synchronize with whole production line underframe is sent to next underframe flatness rectification station.
(9) the underframe flatness is corrected
(1) complete the rectification of underframe on special-purpose apparatus for correcting and automatically detect and transfer of data;
(2) after having corrected, with automatic stepping type hydraulic-pressure transmission dolly jack-up underframe, press start button, synchronize with whole production line underframe is sent to underframe Multi-Functional Test Bed position.
(10) underframe finished product verification output
(1) the finished product underframe arrives underframe finished product verification output station;
(2) underframe verification, meeting the design processing criterion is certified products;
(3) through the qualified underframe of verification, the trailing arm stretched out by four extension type frame locomotives on station is held the underframe let-down to delivery vehicle, and then to transfer platform, then be transported on other assembly line of car body.
Claims (4)
1. automatic transmission production line for flexible jig of truck chassis, adopt the cell location adjusting device of flexible frock, management system, data acquisition processing system, automatic checkout system, it is characterized in that: described production line is to be sequentially set with continuously the various stations of truck under-frame processing along same rectilinear direction, the base surface of production line across pitch is provided with track, is provided with many automatic step transmission dollies of being to and between station on track; Described station, its initial station is that the underframe group is to station; After this plurality of stations are respectively further each process station of processing of underframe; End station is the whole product verification output station of putting up of underframe;
The processing of underframe that described lorry is open-top car has 13 stations, is followed successively by the underframe group from beginning to end and station, enclosure group are turned over to mat formation station, floor tooled joint station, underframe of welder position, support body electric welding station, bottom frame floor to station, skeleton once turns over welder position, underframe secondary and turn over welder position, underframe and turn over welder position, one time, floor welding post, floor secondary welding station, underframe flatness for three times and correct station, underframe finished product verification output station;
Described lorry is that food hopper body frame processing has 11 stations, is followed successively by the underframe group from beginning to end and station, underframe electric welding station, skeleton are turned over to welder position, funnel, sleeper beam upper cover plate assembling station, funnel welding, crossbeam assembly welding station, bottom door assembling station, underframe once turns over welder position, underframe secondary and turn over that station is corrected in welder position, floor welded station, underframe, station is exported in the verification of underframe finished product;
Described lorry is that coal hopper body frame processing has 12 stations, is followed successively by the underframe group from beginning to end and station, side leakage strickle assembling station, skeleton are turned over to welder position, underframe electric welding station, Floor Covering station, floor tooled joint station, underframe once turns over welder position, underframe secondary and turn over welder position, floor welded station, bottom door assembling station, underframe and correct station, underframe finished product verification output station;
Described lorry is that bathtub class body frame processing has 11 stations, is followed successively by the underframe group from beginning to end and station, underframe electric welding station, skeleton are turned over to welder position, bathtub sleeper beam upper cover plate assembling station, bathtub welding post, Floor Covering station, underframe once turns over welder position, underframe secondary and turn over welder position, floor welded station, underframe and correct station, underframe finished product verification output station;
Described lorry is that flatcar underframe processing has 14 stations, is followed successively by the underframe group from beginning to end and station, enclosure group are turned over to welder position, welding of underframe station, floor lay station, floor to station, skeleton press-fits station, underframe and once turn over welder position, underframe secondary and turn over welder position, one time, floor welding post, floor secondary welding station, underframe and correct station, underframe boring station, steering wheel floor installation station, underframe finished product verification output station.
2. automatic transmission production line for flexible jig of truck chassis according to claim 1, it is characterized in that: described automatic step transmits dolly for adopting management system to control, navigate in orbit between station and the automatically reset electric motor car of energy, comprises automatic step lifting transmission dolly, automatic stepping type hydraulic-pressure transmission dolly.
3. automatic transmission production line for flexible jig of truck chassis according to claim 2 is characterized in that: automatic step lifting transmission dolly is provided with travel driving unit, lowering or hoisting gear, guide wheel device, walking protective device on vehicle frame; Described automatic stepping type hydraulic-pressure transmission dolly is equipped with hydraulic means, apparatus for correcting, lowering or hoisting gear, running gear on vehicle frame.
4. automatic transmission production line for flexible jig of truck chassis according to claim 1, it is characterized in that: described skeleton or underframe turn over the welder position and adopt management system to control, be provided with the split ring type tipper that two is a group, this split ring type tipper is mainly by base and base drive unit, half hoop truss of two symmetries, the framework inner support, gear and drive unit, the location pushing mechanism, hold down gag, ratchet mechanism forms, gear and drive unit, the location pushing mechanism, hold down gag, ratchet mechanism is separately positioned on half hoop truss, base is arranged on linear track, the base drive unit drives dividing of two symmetry half hoop trusses and closes.
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| CN103662702A (en) * | 2013-12-18 | 2014-03-26 | 北京航天测控技术有限公司 | Rail guided vehicle |
| CN106862871A (en) * | 2017-03-02 | 2017-06-20 | 南南铝业股份有限公司 | The preparation method and device of a kind of full aluminium car bottom component |
| CN112045326A (en) * | 2020-08-04 | 2020-12-08 | 中车长江车辆有限公司 | Flexible production line and production process for underframe of railway wagon |
| CN112008335B (en) * | 2020-08-04 | 2022-10-04 | 中车长江车辆有限公司 | Flexible production line and production process for wagon body |
| CN112428228B (en) * | 2020-10-14 | 2021-11-02 | 中车山东机车车辆有限公司 | Modular assembly tool for accessories of chassis of flatcar and use method |
| CN114227069A (en) * | 2021-12-03 | 2022-03-25 | 中车长江车辆有限公司 | Production line of railway wagon side wall |
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| CN1915588A (en) * | 2006-03-03 | 2007-02-21 | 南京中辆铁人科技有限公司 | Product line of flexible tool set up for manufacturing railway vehicle |
| CN201048008Y (en) * | 2007-01-08 | 2008-04-16 | 苏州工业职业技术学院 | Modularization flexible automatic production line for teaching |
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Effective date of registration: 20211214 Address after: 223600 north of Rui'an Road, Shuyang Industrial Park, Suqian City, Jiangsu Province Patentee after: Jiangsu Zhongchuang Machinery Equipment Manufacturing Co.,Ltd. Address before: 223600 No.6 Zhuhai Road, Shuyang Economic Development Zone, Suqian City, Jiangsu Province Patentee before: JIANGSU ZHONGLIANG TECHNOLOGY Co.,Ltd. |
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