CN109895237A - A kind of automatic setup system of sleeper casing - Google Patents
A kind of automatic setup system of sleeper casing Download PDFInfo
- Publication number
- CN109895237A CN109895237A CN201910272284.2A CN201910272284A CN109895237A CN 109895237 A CN109895237 A CN 109895237A CN 201910272284 A CN201910272284 A CN 201910272284A CN 109895237 A CN109895237 A CN 109895237A
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- China
- Prior art keywords
- locating shaft
- casing
- track
- spiral bar
- pallet
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- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention discloses a kind of automatic setup systems of sleeper casing, including mounting plate, mounting plate is equipped with pallet translational track, pallet is slidably connected on pallet translational track, pallet is equipped with several ferrule guide pins, ferrule guide pins two sides are equipped with never-slip, the first driving cylinder that driving pallet is moved along pallet translational track is additionally provided on mounting plate, mounting plate side is equipped with spiral bar feeding mechanism, the other side is equipped with casing feeding mechanism, the other side is additionally provided with locating shaft feeding mechanism, casing and spiral bar assembling mechanism are equipped with above mounting plate, assembling is carried and screwed respectively to casing and spiral bar, casing and spiral bar assembling mechanism side are equipped with casing and locating shaft assembling mechanism, assembled casing and the locating shaft on mold are assembled.The present invention can be automatically performed casing, spiral bar, the feeding of locating shaft and assembling, and assembly efficiency is high, save manpower, advantageously reduce production cost, improve industrial benefit.
Description
Technical field
The present invention relates to sleeper manufacturing technology field more particularly to a kind of automatic setup systems of sleeper casing.
Background technique
Sleeper is also known as sleeper, is one kind of railway casting.Sleeper should supporting rail, again keep rail position, also
The immense pressure that rail transmitting comes is passed to railway roadbed again.It must have certain flexibility and elasticity, hard not all right, soft
Also not all right.When train passes through, it can suitably be deformed with compensator or trimmer pressure, but train must restore to the original state as far as possible later.
In the processing of concrete sleeper, a step is service sleeve to be installed in sleeper mould, and pacify outside casing
Fill spiral bar spring.With for processing in, be by manually first place sleeve after, use spanner carry out spiral bar spring
Make-up, but working efficiency bottom, worker's amount of labour are big.Again since sleeper mould generallys use four chambers of one, once need to install
16 pieces of casings need 2-3 workers to meet productive temp, just it is able to satisfy production requirement, waste of manpower.
Summary of the invention
The object of the present invention is to provide a kind of automatic setup systems of sleeper casing without human intervention.
To achieve the above object, the technical scheme is that a kind of automatic setup system of sleeper casing, including assembly
Platform, casing feeding mechanism, spiral bar feeding mechanism, locating shaft feeding mechanism, mold carrying mechanism, casing and spiral bar assembling
Mechanism, casing and locating shaft assembling mechanism；
The mounting plate is equipped with pallet translational track, slidably connects pallet on pallet translational track, if pallet is equipped with
Dry ferrule guide pins, ferrule guide pins two sides are equipped with never-slip, and driving pallet is additionally provided on mounting plate along pallet translational rail
The first mobile driving cylinder of road；
Described sleeve pipe feeding mechanism includes the casing vibrating disk that mounting plate both ends are arranged in, and with casing vibrating disk discharge port
The deflector chute of connection, casing vibrating disk export mixed and disorderly casing to deflector chute, then by deflector chute that casing level is sequentially defeated
Out, deflector chute end is equipped with free bearing, and installation is parallel to the shaft of deflector chute on free bearing and drive shaft is rotated around free bearing
Cylinder is driven, deflector chute delivery cannula is simultaneously sleeved on it in shaft, then by driving cylinder that shaft is driven to drive sleeve rotating
To vertical state；
Spiral bar feeding mechanism includes spiral bar chain mat machine, and compartment of terrain is equipped with spiral bar positioning pin on spiral bar chain mat machine；Also wrap
The automatic spring machine of production spiral bar is included, and the spiral bar output it is mounted on the conveying robot on spiral bar positioning pin
People；
Locating shaft feeding mechanism includes the transfer track that mounting plate side is arranged in, and transfer track is perpendicular to the pallet translational
Track slidably connects locating shaft transfer platform on transfer track, and locating shaft transfer platform both ends are equipped with locating shaft and carry hole, fixed
Position axis transfer platform two sides are additionally provided with locating shaft vibrating disk, are equipped with below locating shaft transfer platform and it is driven to move along transfer track
Second driving cylinder, locating shaft transfer platform by moved along transfer track make carry hole and locating shaft vibrating disk discharge port
Alignment, carries the locating shaft of discharging；Transfer track two sides are additionally provided with the first hoistable platform, and driving the first hoistable platform lifting
Third drive cylinder, locating shaft handgrip, and the rotary pneumatic of driving locating shaft handgrip rotation are additionally provided on the first hoistable platform
Cylinder, locating shaft handgrip lower section are additionally provided with locating shaft jacking apparatus, and locating shaft jacking apparatus jacking locating shaft makes it into locating shaft
The crawl range of handgrip, locating shaft handgrip rise under the action of third drives cylinder after grabbing locating shaft, revolve in uphill process
Rotaring cylinder drives locating shaft handgrip that locating shaft is driven to rotate 180 °；Transfer track is additionally provided with above transfer track, transfer track is flat
Row is equipped with below shifting carrying platform in slidably connecting shifting carrying platform on the pallet translational track, transfer track and drives it along shifting
The mobile 4 wheel driven in carrier rail road is taken offence cylinder, and shifting carrying platform two sides are equipped with locating shaft fixture, for clamp the locating shaft overturn；It moves
It carries rail end two sides and is equipped with the second hoistable platform, and drive the 5th driving cylinder of the second hoistable platform lifting, second
Hoistable platform upper surface is equipped with card slot, and shifting carrying platform drives locating shaft fixture to move along transfer track, and the locating shaft of clamping is embedding
It sets in card slot；
Mold carrying mechanism is used to for sleeper mould being carried to above the second hoistable platform, and the second hoistable platform, which rises, drives positioning
Axis passes through the casing mounting hole of sleeper mould；
Casing and spiral bar assembling mechanism include the rack being arranged in above mounting plate, and rack is equipped with perpendicular to pallet translational
First translation track of track slidably connects the first horizontal mobile device and the second transverse shifting dress on the first translation track
It sets, the first horizontal mobile device is equipped with the first lifting device, and the first lifting device lower end is equipped with casing handgrip, for grabbing
Postrotational casing is simultaneously nested with it on the ferrule guide pins of pallet, and the second horizontal mobile device is equipped with the second lifting dress
Set, the second lifting device lower end is equipped with spiral bar swirling clamp, for clamp the spiral bar on spiral bar chain mat machine and by its
It is screwed in outside the casing on pallet, obtains finished sleeve, during screwing, casing is fixed by never-slip；
Casing and locating shaft assembling mechanism include the second translation track that the first translation track side is arranged in, the second translation track
It is parallel to the first translation track, the second translation track is equipped with third horizontal mobile device, and third horizontal mobile device is equipped with
Third lifting device, third lifting device lower end are equipped with finished sleeve and screw handgrip, and the finished sleeve on pallet is flat along pallet
Shifting track is moved to finished sleeve and screws below handgrip, grabs finished sleeve and simultaneously tightens it with the locating shaft in sleeper mould.
Further, it is equipped with laterally driven cylinder and zigzag tread patterns cylinder on second hoistable platform, it is laterally driven
Cylinder drives the second hoistable platform to move along the transfer orbital direction, and zigzag tread patterns cylinder drives the second hoistable platform along transfer
Orbital direction is mobile, to realize the installation of different mould casings.
Further, the output end of the locating shaft jacking apparatus is equipped with location hole, and locating shaft jacking apparatus jacks process
In, locating shaft falls into positioning hole, prevents locating shaft from toppling over.
The beneficial effects of the present invention are: the automatic setup system of sleeper casing of the present invention, can be automatically performed casing, spiral
Muscle, the feeding of locating shaft and assembling, assembly efficiency is high, saves manpower, advantageously reduces production cost, improves industrial benefit.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the assembling schematic diagram of casing feeding mechanism；
Fig. 3 is the assembling schematic diagram of spiral bar feeding mechanism；
Fig. 4 is the front view of locating shaft feeding mechanism；
Fig. 5 is the sectional view of locating shaft feeding mechanism；
Fig. 6 is the top view of locating shaft feeding mechanism；
Fig. 7 is the assembling schematic diagram of casing and spiral bar assembling mechanism；
Fig. 8 is the assembling schematic diagram of casing and locating shaft assembling mechanism；
Fig. 9 is assembling schematic diagram of the present invention.
Specific embodiment
Below in conjunction with attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.
As shown in figs 1-9, a kind of automatic setup system of sleeper casing, including mounting plate 100, casing feeding mechanism
200, spiral bar feeding mechanism 300, locating shaft feeding mechanism 400, be not drawn into mold carrying mechanism 500(figure), casing and spiral shell
Revolve muscle assembling mechanism 600, casing and locating shaft assembling mechanism 700；
The mounting plate 100 is equipped with pallet translational track 101, slidably connects pallet 102 on pallet translational track 101,
Pallet 102 is equipped with several ferrule guide pins 103, and 103 two sides of ferrule guide pins are equipped with never-slip 104, on mounting plate 100
It is additionally provided with the first driving cylinder 105 that driving pallet 102 is moved along pallet translational track 101；
Described sleeve pipe feeding mechanism 200 includes the casing vibrating disk 201 that 200 both ends of mounting plate are arranged in, and is shaken with casing
The deflector chute 202 of 201 discharge port of Moving plate connection, casing vibrating disk 201 is by the mixed and disorderly output of casing 1 to deflector chute 202, then passes through
Deflector chute 202 sequentially exports 1 level of casing, and 202 end of deflector chute is equipped with free bearing 203, and installation is parallel to lead on free bearing 203
The driving cylinder 205 that the shaft 204 and drive shaft 204 of hopper 202 are rotated around free bearing 203,202 delivery cannula 1 of deflector chute
And it is sleeved on it in shaft 204, then by driving cylinder 205 that shaft 204 is driven to drive the rotation of casing 1 to vertical state；
Spiral bar feeding mechanism 300 includes spiral bar chain mat machine 301, and compartment of terrain is fixed equipped with spiral bar on spiral bar chain mat machine 301
Position pin 302；It further include making the automatic spring machine 303 of spiral bar 2, and the spiral bar 2 output it is mounted on spiral bar and determines
Transfer robot 304 on the pin 302 of position；
Locating shaft feeding mechanism 400 includes that the transfer track 401 of 100 side of mounting plate is arranged in, transfer track 401 perpendicular to
The pallet translational track 101 slidably connects locating shaft transfer platform 402, locating shaft transfer platform on transfer track 401
402 both ends are equipped with locating shaft and carry hole 403, and 402 two sides of locating shaft transfer platform are additionally provided with locating shaft vibrating disk 404, locating shaft
The the second driving cylinder 405 for driving it to move along transfer track 401, locating shaft transfer platform 402 are equipped with below transfer platform 404
Carrying hole 403 is directed at the discharge port of locating shaft vibrating disk 404 by moving along transfer track 401, carries the positioning of discharging
Axis 3；401 two sides of transfer track are additionally provided with the first hoistable platform 406, and the third of driving the first hoistable platform 406 lifting is driven
It takes offence cylinder 407, locating shaft handgrip 408, and the rotation that driving locating shaft handgrip 408 rotates is additionally provided on the first hoistable platform 406
Rotaring cylinder 409 is additionally provided with locating shaft jacking apparatus 410, the jacking positioning of locating shaft jacking apparatus 410 below locating shaft handgrip 408
Axis 3 makes it into the crawl range of locating shaft handgrip 408, and locating shaft handgrip 408 grabs and drives cylinder in third after locating shaft 3
Rise under the action of 407, rotary cylinder 409 drives locating shaft handgrip 408 that locating shaft 3 is driven to rotate 180 ° in uphill process；In
Transition is additionally provided with transfer track 411 above road 401, and transfer track 411 is parallel to the pallet translational track 101, transfer track
Shifting carrying platform 412 is slidably connected on 411, is equipped with the 4 wheel driven for driving it to move along transfer track 411 below shifting carrying platform 412
It takes offence cylinder 413,412 two sides of shifting carrying platform are equipped with locating shaft fixture 414, for clamping the locating shaft 3 of overturning；Transfer track
411 ends two sides are equipped with the second hoistable platform 415, and the 5th driving cylinder of driving the second hoistable platform 415 lifting
416,415 upper surface of the second hoistable platform is equipped with card slot 417, and shifting carrying platform 412 drives locating shaft fixture 414 along transfer track
411 is mobile, by the locating shaft 3 of clamping in card slot 417；
Mold carrying mechanism 500 is used to for sleeper mould 4 being carried to above the second hoistable platform 415, on the second hoistable platform 415
Rise the casing mounting hole 5 for driving locating shaft 3 to pass through sleeper mould 4；
Casing and spiral bar assembling mechanism 600 include the rack 601 that 100 top of mounting plate is arranged in, and rack 601, which is equipped with, hangs down
Directly in slidably connecting the first transverse shifting on the first translation track 602 of pallet translational track 101, the first translation track 602
Device 603 and the second horizontal mobile device 604, the first horizontal mobile device 603 be equipped with the first lifting device 605, first liter
605 lower end of falling unit is equipped with casing handgrip 606, for grabbing postrotational casing 1 and it being made to be nested with the casing in pallet 102
On positioning pin 103, the second horizontal mobile device 604 is equipped with the second lifting device 607, the installation of 607 lower end of the second lifting device
There is spiral bar swirling clamp 608, for clamping the spiral bar 2 on spiral bar chain mat machine 301 and being screwed on pallet 102
Outside casing 1, finished sleeve is obtained, during screwing, casing 1 is fixed by never-slip 104；
Casing and locating shaft assembling mechanism 700 include the second translation track 701 that 602 side of the first translation track is arranged in, the
Two translation tracks 701 are parallel to the first translation track 602, and the second translation track 701 is equipped with third horizontal mobile device 702,
Third horizontal mobile device 702 is equipped with third lifting device 703, and 703 lower end of third lifting device is equipped with finished sleeve rotation
Handgrip 704 is twisted, the finished sleeve on pallet 102 is moved to finished sleeve along pallet translational track 101 and screws 704 lower section of handgrip,
Crawl finished sleeve simultaneously tightens it with the locating shaft 3 in sleeper mould 4.
Laterally driven cylinder 418 and zigzag tread patterns cylinder 419 are equipped on second hoistable platform 415, it is laterally driven
Cylinder 418 drives the second hoistable platform 415 to move along 411 direction of transfer track, and zigzag tread patterns cylinder 419 drives second liter
Drop platform 415 is moved along 401 direction of transfer track, to realize the installation of different mould casings.
The output end of the locating shaft jacking apparatus 410 is equipped with location hole 420, and locating shaft jacking apparatus 410 jacks process
In, locating shaft 3 is fallen into location hole 420, prevents locating shaft 3 from toppling over.
The automatic setup system of sleeper casing of the present invention can be automatically performed casing, spiral bar, the feeding of locating shaft and group
Dress, assembly efficiency is high, saves manpower, advantageously reduces production cost, improves industrial benefit.
Described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, belongs to the scope of the present invention.
Claims (3)
1. a kind of automatic setup system of sleeper casing, which is characterized in that including mounting plate, casing feeding mechanism, spiral bar
Feeding mechanism, locating shaft feeding mechanism, mold carrying mechanism, casing and spiral bar assembling mechanism, casing and locating shaft kludge
Structure；
The mounting plate is equipped with pallet translational track, slidably connects pallet on pallet translational track, if pallet is equipped with
Dry ferrule guide pins, ferrule guide pins two sides are equipped with never-slip, and driving pallet is additionally provided on mounting plate along pallet translational rail
The first mobile driving cylinder of road；
Described sleeve pipe feeding mechanism includes the casing vibrating disk that mounting plate both ends are arranged in, and with casing vibrating disk discharge port
The deflector chute of connection, casing vibrating disk export mixed and disorderly casing to deflector chute, then by deflector chute that casing level is sequentially defeated
Out, deflector chute end is equipped with free bearing, and installation is parallel to the shaft of deflector chute on free bearing and drive shaft is rotated around free bearing
Cylinder is driven, deflector chute delivery cannula is simultaneously sleeved on it in shaft, then by driving cylinder that shaft is driven to drive sleeve rotating
To vertical state；
Spiral bar feeding mechanism includes spiral bar chain mat machine, and compartment of terrain is equipped with spiral bar positioning pin on spiral bar chain mat machine；Also wrap
The automatic spring machine of production spiral bar is included, and the spiral bar output it is mounted on the conveying robot on spiral bar positioning pin
People；
Locating shaft feeding mechanism includes the transfer track that mounting plate side is arranged in, and transfer track is perpendicular to the pallet translational
Track slidably connects locating shaft transfer platform on transfer track, and locating shaft transfer platform both ends are equipped with locating shaft and carry hole, fixed
Position axis transfer platform two sides are additionally provided with locating shaft vibrating disk, are equipped with below locating shaft transfer platform and it is driven to move along transfer track
Second driving cylinder, locating shaft transfer platform by moved along transfer track make carry hole and locating shaft vibrating disk discharge port
Alignment, carries the locating shaft of discharging；Transfer track two sides are additionally provided with the first hoistable platform, and driving the first hoistable platform lifting
Third drive cylinder, locating shaft handgrip, and the rotary pneumatic of driving locating shaft handgrip rotation are additionally provided on the first hoistable platform
Cylinder, locating shaft handgrip lower section are additionally provided with locating shaft jacking apparatus, and locating shaft jacking apparatus jacking locating shaft makes it into locating shaft
The crawl range of handgrip, locating shaft handgrip rise under the action of third drives cylinder after grabbing locating shaft, revolve in uphill process
Rotaring cylinder drives locating shaft handgrip that locating shaft is driven to rotate 180 °；Transfer track is additionally provided with above transfer track, transfer track is flat
Row is equipped with below shifting carrying platform in slidably connecting shifting carrying platform on the pallet translational track, transfer track and drives it along shifting
The mobile 4 wheel driven in carrier rail road is taken offence cylinder, and shifting carrying platform two sides are equipped with locating shaft fixture, for clamp the locating shaft overturn；It moves
It carries rail end two sides and is equipped with the second hoistable platform, and drive the 5th driving cylinder of the second hoistable platform lifting, second
Hoistable platform upper surface is equipped with card slot, and shifting carrying platform drives locating shaft fixture to move along transfer track, and the locating shaft of clamping is embedding
It sets in card slot；
Mold carrying mechanism is used to for sleeper mould being carried to above the second hoistable platform, and the second hoistable platform, which rises, drives positioning
Axis passes through the casing mounting hole of sleeper mould；
Casing and spiral bar assembling mechanism include the rack being arranged in above mounting plate, and rack is equipped with perpendicular to pallet translational
First translation track of track slidably connects the first horizontal mobile device and the second transverse shifting dress on the first translation track
It sets, the first horizontal mobile device is equipped with the first lifting device, and the first lifting device lower end is equipped with casing handgrip, for grabbing
Postrotational casing is simultaneously nested with it on the ferrule guide pins of pallet, and the second horizontal mobile device is equipped with the second lifting dress
Set, the second lifting device lower end is equipped with spiral bar swirling clamp, for clamp the spiral bar on spiral bar chain mat machine and by its
It is screwed in outside the casing on pallet, obtains finished sleeve, during screwing, casing is fixed by never-slip；
Casing and locating shaft assembling mechanism include the second translation track that the first translation track side is arranged in, the second translation track
It is parallel to the first translation track, the second translation track is equipped with third horizontal mobile device, and third horizontal mobile device is equipped with
Third lifting device, third lifting device lower end are equipped with finished sleeve and screw handgrip, and the finished sleeve on pallet is flat along pallet
Shifting track is moved to finished sleeve and screws below handgrip, grabs finished sleeve and simultaneously tightens it with the locating shaft in sleeper mould.
2. a kind of automatic setup system of sleeper casing as described in claim 1, which is characterized in that second hoistable platform
On be equipped with laterally driven cylinder and zigzag tread patterns cylinder, laterally driven cylinder drives the second hoistable platform along the transfer track
Direction is mobile, and zigzag tread patterns cylinder drives the second hoistable platform to move along transfer orbital direction, to realize different mould casings
Installation.
3. a kind of automatic setup system of sleeper casing as described in claim 1, which is characterized in that the locating shaft jacking dress
The output end set is equipped with location hole, and during the jacking of locating shaft jacking apparatus, locating shaft falls into positioning hole, prevents locating shaft from inclining
?.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910272284.2A CN109895237B (en) | 2019-04-04 | 2019-04-04 | Automatic assembly system of sleeper sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910272284.2A CN109895237B (en) | 2019-04-04 | 2019-04-04 | Automatic assembly system of sleeper sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109895237A true CN109895237A (en) | 2019-06-18 |
| CN109895237B CN109895237B (en) | 2024-01-05 |
Family
ID=66955516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910272284.2A Active CN109895237B (en) | 2019-04-04 | 2019-04-04 | Automatic assembly system of sleeper sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109895237B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479918A (en) * | 2019-08-21 | 2019-11-22 | 南京蹑波物联网科技有限公司 | A kind of skeleton forming device and its working method automating sleeper system |
| CN110625744A (en) * | 2019-10-25 | 2019-12-31 | 北京好运达智创科技有限公司 | A track plate casing automatic installation equipment |
| CN110774439A (en) * | 2019-11-29 | 2020-02-11 | 北京好运达智创科技有限公司 | Track plate spiral rib casing installation machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06262616A (en) * | 1993-03-16 | 1994-09-20 | P S Co Ltd | Demolding device for concrete sleepers with Thai shoulder |
| CN109108629A (en) * | 2018-09-13 | 2019-01-01 | 北京好运达智创科技有限公司 | High iron sleeper telescoping screw muscle automated installation of system |
| CN109531804A (en) * | 2019-01-14 | 2019-03-29 | 中铁三局集团有限公司 | Double-block type sleeper embedded sleeve and spiral bar automatic installation apparatus |
| CN210046850U (en) * | 2019-04-04 | 2020-02-11 | 北京好运达智创科技有限公司 | Automatic assembly system of sleeper sleeve |
-
2019
- 2019-04-04 CN CN201910272284.2A patent/CN109895237B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06262616A (en) * | 1993-03-16 | 1994-09-20 | P S Co Ltd | Demolding device for concrete sleepers with Thai shoulder |
| CN109108629A (en) * | 2018-09-13 | 2019-01-01 | 北京好运达智创科技有限公司 | High iron sleeper telescoping screw muscle automated installation of system |
| CN109531804A (en) * | 2019-01-14 | 2019-03-29 | 中铁三局集团有限公司 | Double-block type sleeper embedded sleeve and spiral bar automatic installation apparatus |
| CN210046850U (en) * | 2019-04-04 | 2020-02-11 | 北京好运达智创科技有限公司 | Automatic assembly system of sleeper sleeve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479918A (en) * | 2019-08-21 | 2019-11-22 | 南京蹑波物联网科技有限公司 | A kind of skeleton forming device and its working method automating sleeper system |
| CN110625744A (en) * | 2019-10-25 | 2019-12-31 | 北京好运达智创科技有限公司 | A track plate casing automatic installation equipment |
| CN110774439A (en) * | 2019-11-29 | 2020-02-11 | 北京好运达智创科技有限公司 | Track plate spiral rib casing installation machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109895237B (en) | 2024-01-05 |
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