CN206255822U - A kind of bogie dismounts mobile device - Google Patents
A kind of bogie dismounts mobile device Download PDFInfo
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- CN206255822U CN206255822U CN201621295734.8U CN201621295734U CN206255822U CN 206255822 U CN206255822 U CN 206255822U CN 201621295734 U CN201621295734 U CN 201621295734U CN 206255822 U CN206255822 U CN 206255822U
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- bogie
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Abstract
The utility model discloses a kind of bogie dismounting mobile device, it is related to overhaul of train-set technical field.Bogie dismounts mobile device, the bogie dismounting mobile device is arranged at track support system, the mobile car lifter and bogie coil buggy of support car body for checking and including in storehouse for motor-car walking, the bogie coil buggy includes bogie lifting apparatus, the bogie lifting apparatus support bogie simultaneously drives the bogie to move along the vertical direction, and the bogie coil buggy drives the bogie translation.The utility model proposes bogie dismounting mobile device be arranged at inspection storehouse in, using mobile car lifter and bogie coil buggy, need not be separately provided and face Xiu Ku, area occupied is small, ingenious, bogie convenient disassembly is designed, does not influence to check the routine use that storehouse checks hole when equipment is not used, the daily maintenance work in storehouse is facilitated work-up, inspection storehouse space availability ratio is improve.
Description
Technical field
The utility model is related to overhaul of train-set technical field, more particularly to a kind of bogie dismounting mobile device.
Background technology
There is bursting problem in bogie when bogie dismounting mobile device runs on the line for EMUs, for example：Turn
To accidents such as the locking of frame axle box bearing, electrical fault, gearbox faults, due to running into EMUs entirety car during bursting problem
Turn(a)round is also not up to, now only vehicular rescue base need to be gone back to or be used institute, by problem bogie integral replacing, you can reach
To the requirement of on-line running again.The basic functional principle of bogie dismounting mobile device is for multiple unit train body is carried by car lifting J-Horner
For the support of stabilization, then the connection of bogie and car body is all removed, bogie is dropped to by certain height by lowering or hoisting gear
Degree, then carriage lateral movement is gone out into EMUs vehicle bottom with traversing conveying arrangement.
Bogie integral replacing equipment is horizontal using fixed car lifting J-Horner, ground pit type jacking equipment and drag chain type in the market
To transporting equipment, bulk work-yard and reserved route being taken, it is necessary to be arranged at and individually facing Xiu Kunei, foundation of civil work is complicated,
The utilization rate in place is reduced, and construction cost is high；Cause to check if bogie integral replacing equipment is arranged in inspection storehouse
Hole is cut off, and causes other equipment and personnel to pass through.
Utility model content
The purpose of this utility model is to propose a kind of bogie dismounting mobile device, solves bogie integral replacing and sets
Standby being arranged on individually faces Xiu Kunei, occupies bulk work-yard and reserved route, reduces the problem of utilization of area rate.
Another purpose of the present utility model is to propose a kind of bogie dismounting mobile device, solves bogie setting
Can cause to check that hole is cut off in storehouse checking, the problem that obstruction other equipment and personnel pass through.
It is that, up to this purpose, the utility model uses following technical scheme：
A kind of bogie dismounts mobile device, and the bogie dismounting mobile device is arranged in inspection storehouse, including is used for
Track support system, mobile car lifter and bogie coil buggy that motor-car is walked, the bogie coil buggy include
Bogie lifting apparatus, the bogie lifting apparatus support bogie simultaneously drives the bogie to move along the vertical direction, institute
State bogie coil buggy and drive the bogie translation.
Bogie dismounting mobile device is arranged in inspection storehouse, using mobile car lifter and bogie coil buggy,
Need not be separately provided and face Xiu Ku, area occupied is small, design ingenious, bogie convenient disassembly, not influence to check when equipment is not used
Storehouse checks the routine use in hole, facilitates work-up the daily maintenance work in storehouse, improves inspection storehouse space availability ratio.
A kind of preferred scheme of mobile device is dismounted as above-mentioned bogie, the bogie lifting apparatus include multistage liquid
Cylinder pressure, the multistage hydraulic cylinder is arranged on the bogie coil buggy, for moving up and down the bogie.It is multistage
Hydraulic cylinder drives bogie to move up and down larger distance.
A kind of preferred scheme of mobile device is dismounted as above-mentioned bogie, the bogie coil buggy also includes electricity
Dynamic flat car, sets the bogie lifting apparatus on the electric flatbed tricycle, and the multistage hydraulic cylinder is many, drives and turns
It is more steady when being moved up and down to frame, be not in inclined situation.
A kind of preferred scheme of mobile device is dismounted as above-mentioned bogie, the track support system includes being used for motor-car
The motor-car track of walking, the motor-car track includes dismountable track cross beam and trapped orbit, the track cross beam and described
Trapped orbit sets positioning mark on the same line, on the track cross beam, it is necessary to the bogie changed moves to the rail
It is corresponding with the positioning mark at road crossbeam.At the positioning mark of problem bogie parking orbit crossbeam, be conducive to motor-car
Stop position is accurate, and track cross beam detachably enables that bogie coil buggy level is removed, and carries out the replacing of bogie.
A kind of preferred scheme of mobile device is dismounted as above-mentioned bogie, is set along the vertical direction of the track cross beam
Transport vehicle track, the top edge of the transport vehicle track is not higher than ground, and the transport vehicle track is under the track cross beam
Direction extends away from the track cross beam direction, and track is transported described in driving lower edge of the electric flatbed tricycle in hydraulic workstation
Move in road.The top edge of transport vehicle track is not higher than ground and causes when bogie coil buggy is in non-working condition, inspection
Clear in checking storehouse, passing through for other equipment and personnel is not influenceed.
A kind of preferred scheme of mobile device is dismounted as above-mentioned bogie, the two ends of the track cross beam set track branch
Support column, for supporting the track cross beam, sets sliding rack, the track cross beam and the cunning on the track support post
Frame connection is moved, the sliding rack drives the track cross beam to be moved to away from described along perpendicular to the motor-car orbital direction when moving
The direction movement in track road, in order that track cross beam can be moved along motor-car track, enters without influence bogie coil buggy
Movement.
A kind of preferred scheme of mobile device is dismounted as above-mentioned bogie, handwheel is set on the track support post,
Rotate the handwheel and drive the sliding rack movement, the sliding rack drives the track cross beam along perpendicular to the motor-car track
Direction is away from the motor-car track so that bogie coil buggy drive bogie can be moved along the vertical direction of motor-car track
It is dynamic, do not hindered by track cross beam.
A kind of preferred scheme of mobile device, also including draw-gear, the draw-gear are dismounted as above-mentioned bogie
The track cross beam is drawn to be moved along the motor-car orbital direction.When bogie coil buggy drives bogie to move, turn to
The height of frame is moved track cross beam along motor-car orbital direction using draw-gear higher than the height of track cross beam, makes track horizontal
Beam does not influence bogie coil buggy to drive the movement of bogie.
A kind of preferred scheme of mobile device is dismounted as above-mentioned bogie, the mobile car lifter is used to support car body,
Including movable vehicle supporting and planer-type mobile car lifter, the movable vehicle supporting is located at the track cross beam away from described turn
To the side of frame coil buggy, the planer-type mobile car lifter is located at the track cross beam) near bogie lifting
The side of transport vehicle.Planer-type mobile car lifter and movable vehicle supporting floor space are small, during off working state, can be positioned over and turn
Deposit interior to frame, passing through for other equipment and personnel, planer-type mobile car lifter and movable vehicle supporting phase interworking are not influenceed
Close, car body is supported jointly.
A kind of preferred scheme of mobile device, also including electrical control cabinet, the electric-controlled are dismounted as above-mentioned bogie
Cabinet processed is connected with the mobile car lifter, the multistage hydraulic cylinder, to control the mobile car lifter, the multistage hydraulic cylinder
Action.The setting of electrical control cabinet realizes the control of automation, easy to operate, precisely.
The beneficial effects of the utility model：
The utility model proposes bogie dismount mobile device, be arranged at inspection storehouse in, using mobile car lifter and turn
To frame coil buggy, Xiu Ku is faced without being separately provided, area occupied is small, design ingenious, bogie convenient disassembly, equipment does not make
Used time does not influence to check the routine use that storehouse checks hole that the daily maintenance for facilitating work-up storehouse works, and improves inspection storehouse
Space availability ratio.
Brief description of the drawings
Fig. 1 is the structural representation that the bogie that the utility model specific embodiment is provided dismounts mobile device；
Fig. 2 is the side view of the bogie coil buggy that the utility model specific embodiment is provided；
Fig. 3 is the front view of the bogie coil buggy that the utility model specific embodiment is provided；
Fig. 4 is the structural representation of the mobile car lifter that the utility model specific embodiment is provided.
Wherein, 1, track support system；2nd, mobile car lifter；3rd, bogie coil buggy；4th, transport vehicle track；5th, lead
Leading-in device；
11st, motor-car track；12nd, track support post；13rd, sliding rack；21st, movable vehicle supporting；22nd, planer-type movable stand
Car machine；31st, bogie lifting apparatus；32nd, electric flatbed tricycle；33rd, hydraulic workstation；
111st, track cross beam；112nd, trapped orbit；121st, handwheel；311st, multistage hydraulic cylinder.
Specific embodiment
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by specific embodiment.
As Figure 1-4, present embodiment protects a kind of bogie dismounting mobile device, bogie dismounting mobile device to set
It is placed in inspection storehouse, including for track support system 1, mobile car lifter 2 and bogie coil buggy 3 that motor-car is walked,
Bogie coil buggy 3 includes bogie lifting apparatus 31, and the support bogie of bogie lifting apparatus 31 simultaneously drives bogie
Move along the vertical direction, bogie coil buggy 3 drives bogie translation.
Bogie dismounting mobile device is arranged in inspection storehouse, using mobile car lifter 2 and bogie coil buggy
3, face Xiu Ku without being separately provided, area occupied is small, designs ingenious, bogie convenient disassembly, does not influence inspection when equipment is not used
The routine use in checking storehouse inspection hole, facilitates work-up the daily maintenance work in storehouse, improves inspection storehouse space availability ratio.
As shown in Fig. 2 bogie lifting apparatus 31 include multistage hydraulic cylinder 311, multistage hydraulic cylinder 311 is arranged at bogie
On coil buggy 3, for moving up and down bogie.Multistage hydraulic cylinder 311 drives bogie to move up and down larger distance.
Bogie coil buggy 3 also includes electric flatbed tricycle 32, bogie is set on electric flatbed tricycle 32 and lifts dress
31 are put, multistage hydraulic cylinder 311 is many, it is preferable that multistage hydraulic cylinder 311 sets 4, is compared when driving bogie to move up and down
Steadily, be not in inclined situation.
Track support system 1 includes the motor-car track 11 for motor-car walking, and motor-car track 11 includes dismountable track
Crossbeam 111 and trapped orbit 112, track cross beam 111 and trapped orbit 112 set fixed on the same line, on track cross beam 111
Bit-identify is conducive to the stop of motor-car, it is necessary to the bogie changed moves to corresponding with positioning mark at track cross beam 111
Put accurate, track cross beam 111 detachably enables that the level of bogie coil buggy 3 is removed, and carries out the replacing of bogie.
Transport vehicle track 4 is set along the vertical direction of track cross beam 111, the top edge of transport vehicle track 4 is not higher than ground,
Transport vehicle track 4 extends from the lower direction of track cross beam 111 away from the direction of track cross beam 111, and electric flatbed tricycle 32 is in hydraulic pressure work
Moved along transport vehicle track 4 under the driving for making station 33.The top edge of transport vehicle track 4 is not higher than ground and causes to be lifted in bogie
When transport vehicle 3 is in non-working condition, clear in storehouse is checked, passing through for other equipment and personnel is not influenceed.
The two ends of track cross beam 111 set track support post 12, for supporting track crossbeam 111, track support post
Sliding rack 13 is set on 12, and track cross beam 111 is connected with sliding rack 13, track cross beam 111 is driven when sliding rack 13 is moved along vertical
It is straight to be moved to the direction away from motor-car track 11 in the direction of motor-car track 11, in order that track cross beam 111 is away from motor-car track 11
And then can be moved along motor-car track 11, the movement of bogie coil buggy 3 is not influenceed.
Handwheel 121 is set on track support post 12, and rotation hand wheel 121 drives sliding rack 13 to move, and sliding rack 13 drives
Track cross beam 111 along perpendicular to the direction of motor-car track 11 away from motor-car track 11 so that bogie coil buggy 3 drive turn to
Frame can be moved along the vertical direction of motor-car track 11, not hindered by track cross beam 111.
Bogie dismounting mobile device also includes draw-gear 5, and the traction track crossbeam 111 of draw-gear 5 is along motor-car track
Move in 11 directions.When bogie coil buggy 3 drives bogie to move, the height of the height higher than track cross beam 111 of bogie
Degree, is moved track cross beam 111 along the direction of motor-car track 11 using draw-gear 5, track cross beam 111 is not influenceed bogie liter
Drop transport vehicle 3 drives the movement of bogie.Wherein, draw-gear can be using electric block come traction track crossbeam.
Mobile car lifter 2 is used to support car body, including movable vehicle supporting 21 and planer-type mobile car lifter 22, portable
Car lifting J-Horner 21 is located at side of the track cross beam 111 away from bogie coil buggy 3, and planer-type movement unwheeling 22 machine is located at track
Crossbeam 111 is near the side of bogie coil buggy 3.Planer-type mobile car lifter 22 and the floor space of movable vehicle supporting 21
Small, during off working state, it is interior to be positioned over bogie storage, and passing through for other equipment and personnel, planer-type movement are not influenceed
Car lifting J-Horner 22 and movable vehicle supporting 21 cooperate, the prop head movement of planer-type mobile car lifter 22 and movable vehicle supporting 21
During to the car body strong point, car body is raised in common support.The leading screw of movable vehicle supporting 21, nut should use trapezoidal thread, it is ensured that its
Possess good self-locking property, can at an arbitrary position stop and lock, to ensure that movable vehicle supporting 21 is falling with motor vehicles bodies
During can rest on arbitrary height.
Bogie dismounting mobile device also includes electrical control cabinet, electrical control cabinet and mobile car lifter 2, multistage hydraulic cylinder
311 connections, to control the action of mobile car lifter 2, multistage hydraulic cylinder 311.The setting of electrical control cabinet realizes automation
Control, it is easy to operate, precisely.
Bogie deposits interior setting hanging apparatus, for bogie movement of slinging, is deposited in bogie in present embodiment
Overhead traveling crane not less than 10t is set between putting, so as to the hoisting transportation of bogie.
When changing bogie, mobile car lifter 2 is put in place first, movable vehicle supporting 21 is arranged at motor-car track 11
Away from the side of bogie coil buggy 3, planer-type mobile car lifter 22 is arranged on motor-car track 11 and is lifted near bogie
The side of transport vehicle 3, the mobile assigned work position of row is driven along the dedicated track of laying by motor.Movable vehicle supporting 21 can also
Motor-car track 11 is arranged near the side of bogie coil buggy 3, then movable vehicle supporting 21 is transported to fork truck
Side of the motor-car track 11 away from bogie coil buggy 3.
Motor-car is led in inspection storehouse along motor-car track 11 with road rail vehicle, is rested on motor-car track 11, by problem
Bogie is rested at the positioning mark of track cross beam 111, then removes the car body protective plate at problem bogie.
The prop head of moving gantry type mobile car lifter 22 and movable vehicle supporting 21 is to the corresponding car body branch of problem bogie
Support point, supports the car body of problem bogie, then disassembles the connection of bogie and car body, after all connections are removed, starts and moves
Dynamic formula car lifting J-Horner 21 and planer-type mobile car lifter 22,20mm is raised by the car body above problem bogie.
Bogie coil buggy 3 moves to problem bogie lower section along transport vehicle track 4, controls bogie lifting apparatus
31 multistage hydraulic cylinder 311 is stretched out, and problem bogie is raised into 5mm, problem bogie is completely disengaged from track cross beam 111.
Handwheel 121 on rotation track support post 12, mobile sliding rack 13 drives track cross beam 111 along perpendicular to dynamic
The direction of track road 11 removes, and is then drawn along the direction of motor-car track 11 with electric block and moves to deposit position, in distraction procedure,
Traction support meanss are set on electric flatbed tricycle 32, dropping for track cross beam 111 is prevented.
Multistage hydraulic cylinder 311 is reclaimed, problem bogie is drop on electric flatbed tricycle 32, manually addition skate will
Problem bogie is limited.
Problem bogie is moved to bogie and deposits interior by operation electric flatbed tricycle 32, and electric flatbed tricycle 32 is along transport track
Road 4 is by problem bogie transport to specified storage area.
After problem bogie is transported to bogie by bogie coil buggy 3 deposits interior, between being deposited with bogie
Interior overhead traveling crane, hangs bogie coil buggy 3, then new bogie is hung on into bogie coil buggy 3 by problem bogie.
New bogie is transported to by vehicle bottom by bogie coil buggy 3, transport is lifted by controlling bogie
Car 3 is moved along the direction of transport vehicle track 4, on the centrepin and bogie that the position for adjusting new bogie causes on car body in
Heart pin mounting hole aligns, and new bogie is accommodated to car body lower section.
Bogie coil buggy 3 is reached after working position, and new bogie is given rise to motor-car by bogie lifting device 31
The height of track 11, and keep height herein.
Track cross beam 111 is resetted, and fixation, track cross beam 111 is led using electric block in reseting procedure
To track support column 12, track cross beam 111 is pushed by working position by sliding rack 13, and fixed with rigid pins, landing is turned to
Frame lifting apparatus 31, between bogie coil buggy 3 is opened back into bogie storage.
Operation electrical control cabinet, makes the landing car body of mobile car lifter 1, car body stop declining after reaching specified altitude assignment, adjustment
New bogie and car body centrepin position, until car body revert to initial position.
New bogie is installed and fastened with the connector of car body, check it is errorless after, mobile car lifter 1 is towed the head withdrawal.
Movable vehicle supporting 21, planer-type mobile car lifter 22, bogie coil buggy 3 are recovered to bogie storage
Between, the stable connection of track cross beam 111 is checked, after determining no problem, bogie changes end-of-job.
Note, above are only preferred embodiment of the present utility model.It will be appreciated by those skilled in the art that the utility model is not
It is limited to specific embodiment described here, various obvious changes can be carried out for a person skilled in the art, is readjusted
With replacement without departing from protection domain of the present utility model.Therefore, although the utility model is carried out by above example
It is described in further detail, but the utility model is not limited only to above example, is not departing from the utility model design
In the case of, more other Equivalent embodiments can also be included, and scope of the present utility model is determined by scope of the appended claims
It is fixed.
Claims (10)
1. a kind of bogie dismounts mobile device, it is characterised in that the bogie dismounting mobile device is arranged in inspection storehouse,
Including track support system (1), the mobile car lifter (2) and bogie coil buggy of support car body walked for motor-car
(3), the bogie coil buggy (3) includes bogie lifting apparatus (31), bogie lifting apparatus (31) support
Bogie simultaneously drives the bogie to move along the vertical direction, and the bogie coil buggy (3) drives the bogie to put down
Move.
2. bogie according to claim 1 dismounts mobile device, it is characterised in that the bogie lifting apparatus (31)
Including multistage hydraulic cylinder (311), the multistage hydraulic cylinder (311) is arranged on the bogie coil buggy (3), for making
The bogie is moved up and down.
3. bogie according to claim 2 dismounts mobile device, it is characterised in that the bogie coil buggy
(3) also include electric flatbed tricycle (32), the bogie lifting apparatus (31) are set on the electric flatbed tricycle (32), it is described
Multistage hydraulic cylinder (311) is many.
4. bogie according to claim 3 dismounts mobile device, it is characterised in that track support system (1) bag
The motor-car track (11) for motor-car walking is included, the motor-car track (11) is including dismountable track cross beam (111) and fixes
Track (112), the track cross beam (111) and the trapped orbit (112) on the same line, the track cross beam (111)
Upper to set positioning mark, it is corresponding with the positioning mark that problem bogie moves to the track cross beam (111) place.
5. bogie according to claim 4 dismounts mobile device, it is characterised in that along the track cross beam (111)
Vertical direction sets transport vehicle track (4), and the top edge of the transport vehicle track (4) is not higher than ground, the transport vehicle track
(4) extend away from the track cross beam (111) direction from the lower direction of the track cross beam (111), the electric flatbed tricycle
(32) transport vehicle track (4) described in the driving lower edge in hydraulic workstation (33) is mobile.
6. bogie according to claim 5 dismounts mobile device, it is characterised in that the two of the track cross beam (111)
End sets track support post (12), is set for supporting the track cross beam (111), on the track support post (12) and slided
Frame (13) is moved, the track cross beam (111) is connected with the sliding rack (13), the sliding rack (13) drives the rail when mobile
Road crossbeam (111) is moved along perpendicular to motor-car track (11) direction to the direction away from the motor-car track (11).
7. bogie according to claim 6 dismounts mobile device, it is characterised in that on the track support post (12)
Handwheel (121) is set, is rotated the handwheel (121) and is driven the sliding rack (13) mobile, the sliding rack (13) drives described
Track cross beam (111) edge is perpendicular to motor-car track (11) direction away from the motor-car track (11).
8. bogie according to claim 7 dismounts mobile device, it is characterised in that described also including draw-gear (5)
Draw-gear (5) draws the track cross beam (111) and is moved along motor-car track (11) direction.
9. the bogie according to claim 4-8 any one dismounts mobile device, it is characterised in that the mobile unwheeling
Machine (2) is for supporting car body, including movable vehicle supporting (21) and planer-type mobile car lifter (22), the movable vehicle supporting
(21) positioned at the track cross beam (111) away from the bogie coil buggy (3) side, the planer-type moves unwheeling
Machine (22) is positioned at the track cross beam (111) near the side of the bogie coil buggy (3).
10. the bogie according to claim 2-8 any one dismounts mobile device, it is characterised in that also including electric
Switch board, the electrical control cabinet is connected with the mobile car lifter (21), the multistage hydraulic cylinder (311), described to control
The action of mobile car lifter (2), the multistage hydraulic cylinder (311).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621295734.8U CN206255822U (en) | 2016-11-29 | 2016-11-29 | A kind of bogie dismounts mobile device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621295734.8U CN206255822U (en) | 2016-11-29 | 2016-11-29 | A kind of bogie dismounts mobile device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206255822U true CN206255822U (en) | 2017-06-16 |
Family
ID=59026268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621295734.8U Active CN206255822U (en) | 2016-11-29 | 2016-11-29 | A kind of bogie dismounts mobile device |
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| CN (1) | CN206255822U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107901945A (en) * | 2017-12-07 | 2018-04-13 | 中铁第四勘察设计院集团有限公司 | A kind of track cross beam supports moving structure |
| CN108001334A (en) * | 2017-12-13 | 2018-05-08 | 中铁第四勘察设计院集团有限公司 | A kind of special framework transport vehicle of framework cleaning machine |
| CN108311860A (en) * | 2018-03-14 | 2018-07-24 | 中铁第四勘察设计院集团有限公司 | A kind of bogie without foundation pit more exchange device |
| CN109421749A (en) * | 2017-08-31 | 2019-03-05 | 比亚迪股份有限公司 | Straddle type rail transit system |
| CN109941908A (en) * | 2019-04-18 | 2019-06-28 | 唐山百川智能机器股份有限公司 | One is that the bogie that spring is herringbone spring lifts hydraulic pulldown |
| CN110815114A (en) * | 2019-11-12 | 2020-02-21 | 广州电力机车有限公司 | Locomotive primary disassembling process line |
-
2016
- 2016-11-29 CN CN201621295734.8U patent/CN206255822U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109421749A (en) * | 2017-08-31 | 2019-03-05 | 比亚迪股份有限公司 | Straddle type rail transit system |
| CN109421749B (en) * | 2017-08-31 | 2020-06-19 | 比亚迪股份有限公司 | Straddle type track traffic system |
| CN107901945A (en) * | 2017-12-07 | 2018-04-13 | 中铁第四勘察设计院集团有限公司 | A kind of track cross beam supports moving structure |
| CN107901945B (en) * | 2017-12-07 | 2024-03-15 | 中铁第四勘察设计院集团有限公司 | Track crossbeam supports moving structure |
| CN108001334A (en) * | 2017-12-13 | 2018-05-08 | 中铁第四勘察设计院集团有限公司 | A kind of special framework transport vehicle of framework cleaning machine |
| CN108001334B (en) * | 2017-12-13 | 2023-11-24 | 中铁第四勘察设计院集团有限公司 | Framework transport vehicle special for framework cleaning machine |
| CN108311860A (en) * | 2018-03-14 | 2018-07-24 | 中铁第四勘察设计院集团有限公司 | A kind of bogie without foundation pit more exchange device |
| CN109941908A (en) * | 2019-04-18 | 2019-06-28 | 唐山百川智能机器股份有限公司 | One is that the bogie that spring is herringbone spring lifts hydraulic pulldown |
| CN110815114A (en) * | 2019-11-12 | 2020-02-21 | 广州电力机车有限公司 | Locomotive primary disassembling process line |
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