CN206187010U - Four -axis turns to heavy for tunnel construction diesel locomotive of formula - Google Patents
Four -axis turns to heavy for tunnel construction diesel locomotive of formula Download PDFInfo
- Publication number
- CN206187010U CN206187010U CN201621205732.5U CN201621205732U CN206187010U CN 206187010 U CN206187010 U CN 206187010U CN 201621205732 U CN201621205732 U CN 201621205732U CN 206187010 U CN206187010 U CN 206187010U
- Authority
- CN
- China
- Prior art keywords
- axle
- shaft
- box
- gear
- forecarriage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000003137 locomotive effect Effects 0.000 title claims abstract description 18
- 238000010276 construction Methods 0.000 title abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 230000007704 transition Effects 0.000 claims description 45
- 230000009467 reduction Effects 0.000 claims description 24
- 239000012530 fluid Substances 0.000 claims description 11
- 230000008859 change Effects 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000008450 motivation Effects 0.000 claims 1
- 239000003292 glue Substances 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Structure Of Transmissions (AREA)
Abstract
The utility model provides a four -axis turns to heavy for tunnel construction diesel locomotive of formula has the frame, and frame up end rear portion is equipped with the engine, and the frame middle part is equipped with the power variable speed switching -over case that its input and engine output end are connected, and the portion is equipped with the forecarriage in face of the frame lower extreme, and forecarriage upper portion is passed through the ball -type core and is coiled I and connected to the frame, and the terminal surface rear portion is equipped with trailing bogie under the frame, and trailing bogie passes through on upper portion the ball -type core and coils II and connected to the frame, forecarriage and trailing bogie be all including two wheel counter shafts that are parallel to each other, and the output of power variable speed switching -over case lower part both sides is connected through transmission structure and forecarriage and trailing bogie respectively and is driven four wheel counter shafts and rotates simultaneously. The utility model discloses a four -axis drive, the long steep slope who effectively solves among the tunnel construction glues heavy not enough, the not enough scheduling problem of traction force, reduces the vehicle and to the effort of rail face, prevents that the rail from damaging to the bogie makes the negotiating curve bend that the vehicle can be more steady, improves vehicle driving performance, improves conveying efficiency.
Description
Technical field
The utility model belongs to railway engineering technical field of vehicle, and in particular to a kind of four axle steers formula heavy type constructing tunnel is used
Diesel locomotive.
Background technology
With the development of China's water conservancy and hydropower, highway, railway and city underground, many TBM mechanizations have been introduced
Construction operation, the freight volume that usual these operations can be all run into long but also big tunnel, and construction not only is very big, so traction fortune
Defeated car just turns into essential vehicle.The two axle transport vehicles that currently use obvious disadvantage is that:First, existing two-axle car sheet
The adhesion weight of body is difficult increase, so there are problems that the viscous weight of vehicle itself is not enough, causes vehicle traction not enough, and construction is transported
Defeated efficiency is a kind of confinement;2nd, two-axle car is the 1/4 of viscous weight to the active force of rail rail level, big to rail active force, makes steel
Rail is easily damaged;3rd, all without steering, when by bend, two-axle car is by rail to the rail-mounted vehicle of existing tunnel
Active force is turned with reaction force, all there is different degrees of damage to vehicle and rail, and due to constructing tunnel
Limitation, easily touch tunnel internal section of jurisdiction inwall or chassis framework etc. in corner, it is easy to cause the wound of personnel and equipment
Evil.It is therefore desirable to propose to improve.
Utility model content
The technical problem that the utility model is solved:A kind of four axle steers formula heavy type constructing tunnel diesel locomotive is provided, it is whole
Vehicle main body is driven using two bogies and four wheels to axle, efficiently solve the viscous weight of long steep grade in constructing tunnel it is not enough,
The problems such as tractive force is not enough, reduces active force of the vehicle to rail surface, and is turned to flexibly in bogie, reduces wheel pair and rail
The abrasion that causes such as turn, and bogie enables the vehicle to, more smoothly by curve bend, improve road holding,
The efficiency of tunnel construction conveying is improved, practicality is good.
The technical solution adopted in the utility model:Four axle steer formulas heavy type constructing tunnel diesel locomotive, with vehicle frame, institute
State vehicle frame and be provided with car body, vehicle frame upper surface rear portion is provided with engine, and the vehicle frame middle part is provided with its input and starts
The power speed changing reversing box of machine output end connection, vehicle frame lower surface front portion is provided with forecarriage, the forecarriage top
It is connected with vehicle frame by ball-type core disk I, vehicle frame lower surface rear portion is provided with trailing bogie, the trailing bogie top passes through ball
Core disk II is connected with vehicle frame;The forecarriage and trailing bogie include two wheels being parallel to each other to axle, described dynamic
The output end of power speed change commutation lower box part both sides is connected with forecarriage and trailing bogie by drive mechanism and drives four respectively
Root wheel is rotated simultaneously to axle.
Wherein, the power speed changing reversing box and the drive mechanism between forecarriage and trailing bogie include front propeller shaft
And inter-axle shaft;The forecarriage include a step cone to the step cone of axle I and two to axle I, a step cone is provided with one-level to axle I
Reduction gear box I, two step cone is provided with double reduction gear box I to axle I;The trailing bogie includes a step cone to axle II
With two step cones to axle II, a step cone is provided with primary speed-down gear-box II to axle II, and two step cone is provided with to axle II
Double reduction gear box II;Described front propeller shaft one end is connected by universal joint I with power speed changing reversing box side output end, institute
The front propeller shaft other end is stated to be connected with double reduction gear box I by universal joint I and drive two step cones to the rotation of axle I, described two
Level reduction gear box I is connected with primary speed-down gear-box I further through intermediate propeller shaft and drives a step cone to the rotation of axle I, described
Inter-axle shaft one end is connected by universal joint II with power speed changing reversing box opposite side output end, and the inter-axle shaft other end leads to
Cross universal joint II to be connected with double reduction gear box II and drive two step cones to the rotation of axle II, the double reduction gear box II is again
It is connected with primary speed-down gear-box II by intermediate propeller shaft and drives a step cone to the rotation of axle II.
Further, the power speed changing reversing box includes housing, and the housing upper is provided with input shaft, in the housing
Portion is provided with the transition axis I and transition axis II parallel with input shaft, and the lower housing portion is provided with the output shaft parallel with input shaft;Institute
State input shaft one end and be provided with input flange, the input shaft middle part is provided with clutch I, and described input shaft the other end is provided with actively
Gear I;The one end of the transition axis I is provided with the driven gear I engaged with driving gear I, and the middle part of the transition axis I is provided with clutch
II, the transition axis I of the side of the clutch II is provided with transition gear I, and the transition axis I of the opposite side of the clutch II is provided with
Transition gear II;The one end of the transition axis II is provided with the transition gear III engaged with transition gear I, the other end of the transition axis II
The transition gear IV engaged with transition gear II is provided with, the middle part of the transition axis II is provided with driving gear II;In the output shaft
Portion is provided with the driven gear II engaged with driving gear II, and described output shaft one end is provided with defeated before being connected with front propeller shaft one end
Go out flange, the output shaft other end is provided with the rear output flange being connected with inter-axle shaft one end.
Further, the engine output end is by fluid torque-converter and retarder and power speed changing reversing box input
Connection, wherein, the engine output end is connected with fluid torque-converter input, and the fluid torque-converter output end is by transmission
Axle I is connected with retarder input, and the retarder output end is by power transmission shaft II and input shaft one in power speed changing reversing box
The input flange connection at end.
The utility model advantage compared with prior art:
1st, be applied to for bogie to replace existing two axles locomotive on constructing tunnel diesel locomotive by this programme, and using dynamic
Power speed change reversing box enters action edge distribution, and its drive path is to provide active force by engine, will by power speed changing reversing box
Power is divided into after two-way and is delivered to four wheels of trailing or leading bogie on axle, so as to reach four shaft-driven purposes, well
The powerful traction function of engine is played, while this locomotive is more than 40 tons of heavy constructing tunnel internal combustion car, its own glues
The enough tractive force of locomotive is ensure that again, solves itself viscous weight deficiency and tractive force on the long steep grade run into constructing tunnel
Inadequate problem, improves efficiency of construction;
2nd, the locomotive that this programme is provided is the 1/8 of viscous weight to the active force of rail rail level, and two axles of existing same tonnage
Vehicle is the 1/4 of viscous weight to the active force of rail rail level, and the utility model reduces the work of half compared with two-axle car to rail rail level
Firmly, so as to alleviate infringement of the vehicle axle weight to rail rail level, rail service life is extended;
3rd, bogie is used in this programme, because bogie has turning function in itself, so when by curve bend,
Vehicle greatly reduces with rail to the active force of rail to the reaction force of wheel, and vehicle can be made to be more convenient smoothly to pass through
Curve bend, improves percent of pass of the vehicle by radius of turn, and improves vehicle itself stationarity, reduces to rail, tunnel
The damage that inwall or chassis framework etc. are caused, it is ensured that personnel and equipment safety.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of power speed changing reversing box in the utility model.
Specific embodiment
1-2 describes embodiment of the present utility model below in conjunction with the accompanying drawings.
Four axle steer formulas heavy type constructing tunnel diesel locomotive, as shown in figure 1, having vehicle frame 1, the vehicle frame 1 is provided with
Car body 2, the upper surface rear portion of the vehicle frame 1 is provided with engine 3, and the middle part of the vehicle frame 1 is provided with its input and the output end of engine 3
The power speed changing reversing box 6 of connection, specifically, the output end of the engine 3 passes through fluid torque-converter 4 and retarder 5 and power
The input of speed change reversing box 6 is connected, wherein, the output end of the engine 3 is connected with the input of fluid torque-converter 4, the fluid power
The output end of torque-converters 4 is connected by power transmission shaft I 9 with the input of retarder 5, and the output end of the retarder 5 passes through power transmission shaft II 10
Input flange 603 with one end of input shaft 602 in power speed changing reversing box 6 is connected.The lower surface front portion of the vehicle frame 1 is provided with forward
To frame 7, the top of the forecarriage 7 is connected by ball-type core disk I 705 with vehicle frame 1, after the lower surface rear portion of the vehicle frame 7 is provided with
Bogie 8, the top of the trailing bogie 8 is connected by ball-type core disk II 805 with vehicle frame 1, the ball-type core disk I 705 and ball-type
Core disk II 805 is connected by bolt with vehicle frame 1.
The output end of the bottom both sides of the power speed changing reversing box 6 is respectively by drive mechanism and forecarriage 7 and rear turn
Connect and drive four wheels to be rotated simultaneously to axle to frame 8.Specifically, as shown in figure 1, the power speed changing reversing box 6 and forward
Include front propeller shaft 11 and inter-axle shaft 13 to the drive mechanism between frame 7 and trailing bogie 8;The forecarriage 7 includes one
Step cone is to the step cone of axle I 701 and two to axle I 703, and a step cone is provided with primary speed-down gear-box I 702 to axle I 701, described
Two step cones are provided with double reduction gear box I 704 to axle I 703;The trailing bogie 8 includes a step cone to axle II 801 and two grades
To axle II 803, a step cone is provided with primary speed-down gear-box II 802 to axle II 801 to wheel, and two step cone is to axle II 803
It is provided with double reduction gear box II 804;The one end of the front propeller shaft 11 is by universal joint I 12 and power speed changing reversing box 6 one
Side output end connection, the other end of the front propeller shaft 11 is connected and driven by universal joint I 12 with double reduction gear box I 704
Two step cones are rotated to axle I 703, and the double reduction gear box I 704 is further through intermediate propeller shaft and primary speed-down gear-box I 702
Connect and drive a step cone to be rotated to axle I 701, the one end of the inter-axle shaft 13 is by universal joint II 14 and power speed changing reversing box
6 opposite side output ends are connected, and the other end of the inter-axle shaft 13 is connected by universal joint II 14 with double reduction gear box II 804
And driving two step cones to rotate axle II 803, the double reduction gear box II 804 is further through intermediate propeller shaft and primary speed-down tooth
Roller box II 802 is connected and drives a step cone to rotate axle II 801.
Wherein, as shown in Fig. 2 the power speed changing reversing box 6 includes housing 601, the top of the housing 601 is provided with input
Axle 602, the middle part of the housing 601 is provided with the transition axis I 606 and transition axis II 611 parallel with input shaft 602, the housing 601
Bottom is provided with the output shaft 615 parallel with input shaft 602;The one end of the input shaft 602 is provided with input flange 603, the input
The middle part of axle 602 is provided with clutch I 604, and the other end of the input shaft 602 is provided with driving gear I 605;The transition axis I 606
One end is provided with the driven gear I 607 engaged with driving gear I 605, and the middle part of the transition axis I 606 is provided with clutch II 608, institute
The transition axis I 606 for stating the side of clutch II 608 is provided with transition gear I 609, the transition axis of the opposite side of the clutch II 608
I 606 are provided with transition gear II 610;The one end of the transition axis II 611 is provided with the transition gear III engaged with transition gear I 609
612, the other end of the transition axis II 611 is provided with the transition gear IV 613 engaged with transition gear II 610, the transition axis II
611 middle parts are provided with driving gear II 614;The middle part of the output shaft 615 is provided with the driven gear II engaged with driving gear II 614
616, the one end of the output shaft 615 is provided with the preceding output flange 617 being connected with the one end of front propeller shaft 11, and the output shaft 615 is another
One end is provided with the rear output flange 618 being connected with the one end of inter-axle shaft 13.The utility model is using having the dynamic of two output ends
Power speed change reversing box 6, can be good at being allocated power, realize the power output to trailing or leading bogie, it is ensured that four axles drive
Dynamic purpose.
Transmission process of the present utility model:Start engine 3, the engine 3 drives fluid torque-converter 4 to rotate, fluid power
Torque-converters 4 imparts power to retarder 5 by power transmission shaft I 9, and retarder 5 imparts power to power by power transmission shaft II 10
The input of speed change reversing box 6.Power is divided into two-way by power speed changing reversing box 6 under its internal structure, and wherein power speed changing is changed
Pass through on the double reduction gear box I 704 that front propeller shaft 11 is delivered on forecarriage 7 to the power all the way of case 6, double reduction
Gear-box I 704 is while driving two step cones to rotate axle I 703 and transfers power on primary speed-down gear-box I 702, one
Level reduction gear box I 702 drives a step cone to rotate axle I 701;Another road power of power speed changing reversing box 6 is driven after passing through
Axle 13 is delivered to the double reduction gear box II 804 on trailing bogie 8, and double reduction gear box II 804 is driving two step cones pair
Axle II 803 rotate while and transfer power on primary speed-down gear-box II 802, primary speed-down gear-box II 802 drive
One step cone is rotated to axle II 801.The shaft-driven purpose of constructing tunnel diesel locomotive four is thus realized, makes engine 3 powerful
Traction function played well, vehicle itself is viscous to ensure that the enough tractive force of locomotive again, in solving constructing tunnel
Itself viscous weight deficiency and the inadequate problem of tractive force, improve efficiency of construction on the long steep grade for running into.
The utility model is the 1/8 of viscous weight to the active force of rail rail level, and half is reduced to rail rail level compared with two-axle car
Active force, so as to alleviate infringement of the vehicle axle weight to rail rail level, extend rail service life;Simultaneously because bogie sheet
Body has turning function, so when by curve bend, vehicle is to the active force of rail and rail to the reaction force of wheel
Greatly reduce, vehicle can be made to be more convenient smoothly by curve bend, improve percent of pass of the vehicle by radius of turn,
And improve vehicle itself stationarity, the damage that reduction is caused to rail, tunnel inner wall or chassis framework etc., it is ensured that personnel and equipment
Safety.
Above-described embodiment, simply preferred embodiment of the present utility model, not for limiting the utility model practical range,
Therefore all equivalence changes done with content described in the utility model claim, the utility model claim model all should be included in
Within enclosing.
Claims (4)
1. four axle steer formulas heavy type constructing tunnel diesel locomotive, with vehicle frame (1), the vehicle frame (1) is provided with car body (2),
Vehicle frame (1) the upper surface rear portion is provided with engine (3), it is characterised in that:Vehicle frame (1) middle part is provided with its input with hair
The power speed changing reversing box (6) of motivation (3) output end connection, vehicle frame (1) the lower surface front portion is provided with forecarriage (7), institute
State forecarriage (7) top to be connected with vehicle frame (1) by ball-type core disk I (705), after vehicle frame (7) the lower surface rear portion is provided with
Bogie (8), trailing bogie (8) top is connected by ball-type core disk II (805) with vehicle frame (1);The forecarriage (7)
Two wheels being parallel to each other are included with trailing bogie (8) to axle, the output of power speed changing reversing box (6) the bottom both sides
End is connected with forecarriage (7) and trailing bogie (8) by drive mechanism and drives four wheels to rotate axle simultaneously respectively.
2. four axle steers formula according to claim 1 heavy type constructing tunnel diesel locomotive, it is characterised in that:The power
Drive mechanism between speed change reversing box (6) and forecarriage (7) and trailing bogie (8) includes front propeller shaft (11) and rear transmission
Axle (13);The forecarriage (7) including a step cone to axle I (701) and two step cones to axle I (703), a step cone is to axle I
(701) primary speed-down gear-box I (702) is provided with, two step cone is provided with double reduction gear box I to axle I (703)
(704);The trailing bogie (8) including a step cone to axle II (801) and two step cones to axle II (803), a step cone is to axle
II (801) is provided with primary speed-down gear-box II (802), and two step cone is provided with double reduction gear box to axle II (803)
Ⅱ(804);Described front propeller shaft (11) one end is connected by universal joint I (12) with power speed changing reversing box (6) side output end,
Front propeller shaft (11) other end is connected with double reduction gear box I (704) by universal joint I (12) and drives two step cones pair
Axle I (703) is rotated, and the double reduction gear box I (704) connects further through intermediate propeller shaft and primary speed-down gear-box I (702)
Connect and drive a step cone to be rotated to axle I (701), described inter-axle shaft (13) one end is changed by universal joint II (14) with power speed changing
Connected to case (6) opposite side output end, inter-axle shaft (13) other end passes through universal joint II (14) and double-reduction gear
Case II (804) is connected and drives two step cones to rotate axle II (803), and the double reduction gear box II (804) is further through centre
Power transmission shaft is connected with primary speed-down gear-box II (802) and drives a step cone to rotate axle II (801).
3. four axle steers formula according to claim 2 heavy type constructing tunnel diesel locomotive, it is characterised in that:The power
Speed change reversing box (6) includes housing (601), and housing (601) top is provided with input shaft (602), housing (601) middle part
Be provided with the transition axis I (606) and transition axis II (611) parallel with input shaft (602), housing (601) bottom be provided with it is defeated
Enter the parallel output shaft (615) of axle (602);Described input shaft (602) one end is provided with input flange (603), the input shaft
(602) middle part is provided with clutch I (604), and described input shaft (602) the other end is provided with driving gear I (605);The transition
The one end of axle I (606) is provided with the driven gear I (607) engaged with driving gear I (605), and the middle part of the transition axis I (606) is provided with
Clutch II (608), the transition axis I (606) of the side of the clutch II (608) is provided with transition gear I (609), it is described from
The transition axis I (606) of the opposite side of clutch II (608) is provided with transition gear II (610);The one end of the transition axis II (611) sets
There is the transition gear III (612) engaged with transition gear I (609), the other end of the transition axis II (611) is provided with and transition gear
The transition gear IV (613) of II (610) engagement, the middle part of the transition axis II (611) is provided with driving gear II (614);It is described defeated
Shaft (615) middle part is provided with the driven gear II (616) engaged with driving gear II (614), and described output shaft (615) one end sets
There is the preceding output flange (617) being connected with front propeller shaft (11) one end, output shaft (615) other end is provided with and inter-axle shaft
(13) the rear output flange (618) of one end connection.
4. four axle steers formula according to claim 3 heavy type constructing tunnel diesel locomotive, it is characterised in that:It is described to start
Machine (3) output end is connected by fluid torque-converter (4) and retarder (5) with power speed changing reversing box (6) input, wherein, institute
State engine (3) output end to be connected with fluid torque-converter (4) input, fluid torque-converter (4) output end passes through power transmission shaft I
(9) it is connected with retarder (5) input, retarder (5) output end is by power transmission shaft II (10) and power speed changing reversing box
(6) input flange (603) connection of input shaft (602) one end in.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621205732.5U CN206187010U (en) | 2016-11-09 | 2016-11-09 | Four -axis turns to heavy for tunnel construction diesel locomotive of formula |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621205732.5U CN206187010U (en) | 2016-11-09 | 2016-11-09 | Four -axis turns to heavy for tunnel construction diesel locomotive of formula |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206187010U true CN206187010U (en) | 2017-05-24 |
Family
ID=58734794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201621205732.5U Active CN206187010U (en) | 2016-11-09 | 2016-11-09 | Four -axis turns to heavy for tunnel construction diesel locomotive of formula |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206187010U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2673196C1 (en) * | 2018-01-31 | 2018-11-22 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Елецкий государственный университет им. И.А. Бунина" | Diesel locomotive |
CN113251114A (en) * | 2020-12-31 | 2021-08-13 | 金鹰重型工程机械股份有限公司 | Transfer case with reversing and speed slowing functions |
-
2016
- 2016-11-09 CN CN201621205732.5U patent/CN206187010U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2673196C1 (en) * | 2018-01-31 | 2018-11-22 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Елецкий государственный университет им. И.А. Бунина" | Diesel locomotive |
CN113251114A (en) * | 2020-12-31 | 2021-08-13 | 金鹰重型工程机械股份有限公司 | Transfer case with reversing and speed slowing functions |
CN113251114B (en) * | 2020-12-31 | 2024-04-26 | 金鹰重型工程机械股份有限公司 | Transfer case with reversing and retarding functions |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN203005447U (en) | Low floor light rail vehicle bullet train bogie | |
CN103625215B (en) | A kind of diff coupled wheelsets for city railway vehicle | |
CN210941741U (en) | Rack rail vehicle and rail system | |
CN210941742U (en) | Rack rail vehicle system | |
CN103770796B (en) | Self-powered railway public affair railcar | |
CN103434389A (en) | Tracked vehicle electric driving device with straight driving power-assisted mechanism | |
CN206187010U (en) | Four -axis turns to heavy for tunnel construction diesel locomotive of formula | |
CN206201841U (en) | Wheel side power transmission shaft | |
CN107869562A (en) | A kind of compound double-impeller torque converter | |
CN107200025A (en) | A kind of drive axle for the suspension type monorail bogie of car | |
CN207274671U (en) | A kind of straddle-type monorail train and its bogie | |
CN203974410U (en) | 111 tons of rigidity driving axles | |
CN101323327B (en) | Four-wheel drive system for diamond-like off-road vehicles | |
CN203623284U (en) | Differential device coupling wheel set for city rail vehicle | |
CN209257869U (en) | Wheel undercarriage and unmanned platform truck | |
CN203753137U (en) | Self-driven bogie structure rail car | |
CN207045448U (en) | A kind of electric chassis | |
CN214356360U (en) | Large tunnel trolley based on vehicle drive axle | |
CN202944336U (en) | Combined transmission system of mining electric locomotive | |
CN113442954A (en) | Permanent magnet motor direct drive large axle load running gear | |
CN205044436U (en) | Combination formula hydraulic pressure suspension trailer with auxiliary drive function | |
CN205524241U (en) | Rail vehicle wheel pair initiative guider | |
CN212980187U (en) | Rack-and-pinion car bogie and rack-and-pinion car | |
CN104760599A (en) | Self-driven bogie structure rail vehicle | |
CN203727382U (en) | Railway official business track car with power |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |