CN111483477B - Two-shaft framework type vehicle body for track - Google Patents
Two-shaft framework type vehicle body for track Download PDFInfo
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- CN111483477B CN111483477B CN202010565888.9A CN202010565888A CN111483477B CN 111483477 B CN111483477 B CN 111483477B CN 202010565888 A CN202010565888 A CN 202010565888A CN 111483477 B CN111483477 B CN 111483477B
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- 230000007246 mechanism Effects 0.000 claims description 23
- 238000009434 installation Methods 0.000 claims description 13
- 230000035939 shock Effects 0.000 claims description 8
- 239000006096 absorbing agent Substances 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000013016 damping Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims 2
- 230000003137 locomotive effect Effects 0.000 abstract description 10
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241000192308 Agrostis hyemalis Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C3/00—Electric locomotives or railcars
- B61C3/02—Electric locomotives or railcars with electric accumulators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
- B61C9/38—Transmission systems in or for locomotives or motor railcars with electric motor propulsion
- B61C9/48—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension
- B61C9/50—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension in bogies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a two-shaft framework type vehicle body for a track, which belongs to the technical field of vehicle body structures, and mainly cancels a bogie in a traditional locomotive to enable the whole vehicle body to form the bogie, so that the minimum vehicle body length can be smaller, the overall weight is lower, and the two-shaft framework type vehicle body is more suitable for occasions with harsh hoisting and transporting requirements.
Description
Technical Field
The invention relates to the technical field of rail vehicle body structures, in particular to a two-shaft framework type vehicle body for a rail.
Background
Referring to fig. 6, a conventional locomotive underframe comprises two bogies, and two pairs of wheel pairs, a driving device, a vibration absorber and a rubber pile are arranged on a single bogie, that is, each bogie comprises four axles. The two axles of the same bogie are close to each other, and when the bogie passes through a curve section, the distance between the two adjacent axles is limited, so that the wheel-rail gap between a track wheel and a steel rail cannot be completely utilized, and the minimum curve radius which can be passed by the whole bogie is large; meanwhile, the length of the conventional bogie is usually 2m to 3m, so that the whole length of the locomotive is limited to be too short, the shortest length of the whole locomotive is about 13m to 15m, and the weight of the whole locomotive is usually over 52 t.
In complex terrains such as mine roads, the track has the characteristics of small curve radius and extremely narrow arrangement environment. In the face of these rails, the vehicle bodies of conventional construction are not only difficult to hoist, but also difficult to operate. Further, the prior art has the solving means that the conventional vehicle body is directly reduced to reduce the hoisting requirement, so that the whole vehicle body can be suitable for the track environment.
However, in this solution, when the vehicle body is reduced, the installation space for installing the driving member is also reduced, and the driving member is often difficult to be normally installed. Therefore, how to improve the flexible degree of the operation of the vehicle body member and ensure the installation and placement reliability of the driving part while reducing the cost and the hoisting difficulty of the vehicle body member becomes a technical problem to be solved urgently.
Disclosure of Invention
In summary, the technical problems solved by the present invention are: the track vehicle body is low in construction cost, flexible in hoisting and running and capable of further guaranteeing the mounting and placing reliability of the driving part.
The embodiment of the invention is solved as follows:
a two-shaft framework type vehicle body for a track comprises a bottom frame and a vehicle body connected to the top of the bottom frame, wherein the bottom of the bottom frame is connected with two groups of traction mechanisms which are sequentially arranged along the front-back direction, and each traction mechanism mainly comprises a wheel pair assembly, a driving motor and a vertical shock absorber; the wheel pair assembly comprises a pair of rail wheels, an axle and a fixing part;
in each wheel pair assembly, two track wheels are respectively arranged on the left side and the right side and are coaxially connected together through an axle, the axle is rotatably connected with a fixing part, the axle can rotate around the axis of the axle relative to the fixing part, and the fixing part is connected with the bottom of an underframe through the vertical damping mechanism;
the driving motor is in transmission connection with the rail wheels, and the traction mechanism further comprises a storage battery pack which is electrically connected with the driving motors in the two groups of traction mechanisms through a frequency converter;
the bottom of chassis constitutes the installation department that is used for installing driving motor, the installation department is including two sets of parts arrange the left and right sides in and by the bottom downwardly extending's of chassis hanging, and the bottom of arranging the hanging of the left and right sides in separately constitutes the kink that has the buckling in opposite directions, thereby the top surface of both sides kink forms one and is on a parallel with the horizontal plane and is used for bearing the mounting plane who catches driving motor.
Preferably, the hanger is fixed with the driving motor through a connecting piece.
Preferably, the connecting piece is a screw arranged on the driving motor, and a threaded hole used for being connected with the screw on the driving motor is formed in the mounting plane so as to realize fixed connection between the hanger and the driving motor.
Preferably, the front end and the rear end of the underframe are both provided with lifting seats.
Preferably, the vertical shock absorption mechanism comprises a plurality of elastic pieces, the top ends of the elastic pieces are fixedly connected with the bottom end of the bottom frame, and the bottom ends of the elastic pieces are fixedly connected with the fixing portion.
Preferably, the elastic members are symmetrically arranged along a vertical plane parallel to the front-rear direction.
Preferably, the elastic member is a spring.
Preferably, the vertical shock-absorbing mechanism further comprises a plurality of dampers, the bottom ends of the dampers are fixed to the fixed portion, and the top ends of the dampers are fixed to the bottom end of the bottom frame.
Preferably, the length of the chassis is between 9m and 13m, and the distance between the two axles is between 4m and 6 m.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
the two-shaft framework type vehicle body for the track mainly cancels a bogie in a traditional locomotive, so that the whole vehicle body forms the bogie, the minimum vehicle body length can be smaller, the overall weight is lower, and the two-shaft framework type vehicle body is more suitable for occasions with strict hoisting and transferring requirements.
Meanwhile, the two-shaft framework type vehicle body for the track is not limited by the bogie between the track wheels any more, and the distance between the axles can be longer, so that the minimum curve radius of the vehicle body capable of passing through the two-shaft framework type vehicle body is obviously smaller than that of a vehicle body structure provided with the bogie in the traditional mode, the curve passing performance is better, and the vehicle body is particularly suitable for narrow and bent application objects such as mine tunnel tracks.
Furthermore, the invention specifically adopts the storage battery to drive the driving motor to replace an internal combustion engine in the traditional mode, thereby effectively reducing the noise when the whole vehicle runs and being particularly suitable for the mine tunnel environment with strong noise accumulation reflection.
Meanwhile, in order to ensure that the driving motor can be stably installed on the underframe, the invention is also specifically provided with a hanger which is bent to form an installation plane for bearing the motor, thereby ensuring the stable support of the underframe for the driving motor as a vehicle body driving part.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of embodiment 1 provided in the present invention;
fig. 2 is a schematic structural diagram of a chassis according to embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of a traction mechanism according to embodiment 1 of the present invention;
FIG. 4 is a schematic structural diagram of a hanger according to embodiment 1 of the present invention;
FIG. 5 is a schematic structural view of a lifting base in embodiment 1 of the present invention;
fig. 6 is a schematic structural view in a conventional manner.
[ Specification of symbols ]
1-underframe, 2-car body, 3-rail wheel, 4-car axle, 5-fixing part, 6-spring, 7-damper, 8-hanger, 9-mounting plane, 10-lifting seat, 11-traction pull rod seat, 12-traction pull rod, 13-driving motor and 14-bogie.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are usually placed in when used, the terms are only used for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the appearances of the terms "first," "second," and the like in the description of the present invention are only used for distinguishing between the descriptions and are not intended to indicate or imply relative importance.
Furthermore, the terms "horizontal", "vertical" and the like when used in the description of the present invention do not require that the components be absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to fig. 1 to 5, in this embodiment 1, a two-axle framework type vehicle body for a track is provided, which includes an underframe 1 and a vehicle body 2 connected to the top of the underframe 1, wherein the bottom of the underframe 1 is connected with two sets of traction mechanisms sequentially arranged in a front-back direction, and each traction mechanism mainly includes a wheel set assembly, a driving motor 13, and a vertical shock absorber; the wheel pair assembly comprises a pair of rail wheels 3, an axle 4 and a fixing part 5;
in each wheel pair assembly, two track wheels 3 are respectively arranged on the left side and the right side and are coaxially connected together through an axle 4, the axle 4 is rotatably connected with a fixed part 5, the axle 4 can rotate around the axis of the axle relative to the fixed part 5, and the fixed part 5 is connected with the bottom of the chassis 1 through the vertical damping mechanism;
the driving motor 13 is in transmission connection with the track wheels 3, and the storage battery pack is electrically connected with the driving motors 13 in the two groups of traction mechanisms through a frequency converter;
the bottom of chassis 1 constitutes the installation department that is used for installing driving motor 13, the installation department is including two sets of parts arrange the left and right sides in and by the hanging 8 of the bottom downwardly extending of chassis 1, and the bottom of hanging 8 of the left and right sides is arranged in the branch constitutes the kink of buckling in opposite directions, thereby the top surface of both sides kink forms one and is on a parallel with the horizontal plane and is used for accepting driving motor 13's mounting plane 9.
Compared with the traditional mode, the embodiment 1 mainly cancels a bogie 14 structure in the traditional mode, so that the whole vehicle body can be used as a bogie 14 for two teams of track wheels 3, the chassis 1 integrates and installs the driving motor 13, the track wheels 3, a vertical vibration damping mechanism and other parts together, the minimum length of the vehicle body 2 can be smaller, the weight of the whole vehicle is lower, and the vehicle is more suitable for occasions with harsh requirements on hoisting and transporting.
Meanwhile, the track wheels 3 are not limited by the bogie 14 any more, and the distance between the axles 4 can be longer, so that the minimum curve radius of the track wheels which can pass through the track wheels is obviously smaller than that of a vehicle body structure provided with the bogie 14 in the traditional mode, the curve passing performance is better, the operation is more flexible, and the track wheels are particularly suitable for narrow and small bent application objects such as mine tunnel tracks. It will be appreciated that, since the part of the bogie 14 is omitted, the construction cost of the present embodiment is lower than that of the conventional method for the same length of the vehicle body 2, and the economic advantage is significant.
In addition, this embodiment 1 has set up the installation department that is used for installing driving motor 13 for guaranteeing that the installation of drive unit places stability correspondence, and driving motor 13 is directly accepted by mounting surface 9 that the top surface of hanging 8 kinks formed on the installation department, compares in pulling up driving motor through connection structure, and this kind utilizes mounting surface 9 to accept driving motor 13, and the reliability is stronger, can effectively avoid driving motor 13 directly to break away from the chassis.
Further, in this embodiment, the hanger 8 and the driving motor 13 are fixed by a connecting member. More specifically, the connecting piece is a screw arranged on the driving motor 13, and the mounting plane 9 is provided with a threaded hole connected with the screw arranged on the driving motor 13, so as to realize the fixed connection between the hanger 8 and the driving motor 13 and realize the fixed connection between the hanger 8 and the driving motor 13.
In addition, in this embodiment 1, the front end and the rear end of the base frame 1 are both provided with the lifting seats 10, and when lifting, the steel wire rope and the lifting seats 10 only need to be wound, bound and fixed, so that the lifting can be performed without arranging a special lifting appliance.
More specifically, in the present embodiment 1, the length of the chassis 1 is between 9m and 13m, and the distance between the two axles 4 is between 4m and 6m, specifically 5 m.
Meanwhile, in the embodiment 1, the storage battery pack is mainly used for supplying power, the whole locomotive body is a storage battery locomotive, compared with a traditional diesel engine type locomotive, the storage battery pack is stable in discharging process, does not have large amount of discharge, and is particularly suitable for a mine road environment.
It is worth noting that the transmission connection mode between the driving motor 13 and the track wheel 3 and the electric connection mode between the storage battery pack and the driving motor 13 through the frequency converter belong to the mature prior art, and the embodiment mainly selects the driving connection mode to solve the problem that the diesel locomotive is difficult to be suitable for severe environments such as mine roads and the like, so the connection mode is not described in a tired way.
As a preferred embodiment, in this embodiment 1, the vertical shock absorbing mechanism includes a plurality of elastic members, the top end of the elastic member is fixedly connected to the bottom end of the bottom frame 1, and the bottom end of the elastic member is fixedly connected to the fixing portion 5, wherein the elastic member can perform vibration reduction in the vertical direction on the entire bottom frame 1, so as to ensure the operation stability of the entire vehicle.
Meanwhile, as a preferred embodiment, in the present embodiment 1, the elastic member is symmetrically disposed along a vertical plane parallel to the front-rear direction, and the elastic member is a spring 6. The elastic component can also be replaced by a nylon column and other components, and further, in this embodiment, the vertical shock absorption mechanism further comprises a plurality of dampers 7, wherein the bottom ends of the dampers are fixed to the fixing portion 5, and the top ends of the dampers are fixed to the bottom end of the bottom frame 1.
In this embodiment, each set of traction mechanism further includes a horizontally disposed traction rod 12, and two ends of the traction rod 12 are respectively connected to the traction rod seat 11 at the bottom of the chassis 1 and the fixing portion 5.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a two-axle framework formula automobile body for track which characterized in that: the vehicle comprises an underframe and a vehicle body connected to the top of the underframe, wherein the bottom of the underframe is connected with two groups of traction mechanisms which are sequentially arranged along the front-back direction, and each traction mechanism mainly comprises a wheel pair assembly, a driving motor and a vertical shock absorber; the wheel pair assembly comprises a pair of rail wheels, an axle and a fixing part;
in each wheel pair assembly, two track wheels are respectively arranged on the left side and the right side and are coaxially connected together through an axle, the axle is rotatably connected with a fixing part, the axle can rotate around the axis of the axle relative to the fixing part, and the fixing part is connected with the bottom of an underframe through the vertical damping mechanism;
the driving motor is in transmission connection with the rail wheels, and the traction mechanism further comprises a storage battery pack which is electrically connected with the driving motors in the two groups of traction mechanisms through a frequency converter;
the bottom of the bottom frame is provided with an installation part for installing the driving motor, the installation part comprises two groups of hangers which are arranged on the left side and the right side and extend downwards from the bottom of the bottom frame, the bottom ends of the hangers which are arranged on the left side and the right side respectively form bending parts which are bent in opposite directions, and the top surfaces of the bending parts on the two sides form an installation plane which is parallel to the horizontal plane and is used for bearing the driving motor;
the length of the underframe is between 9m and 13m, and the distance between the two axles is between 4m and 6 m;
the vertical shock absorption mechanism comprises a plurality of elastic pieces, the top ends of the elastic pieces are fixedly connected with the bottom end of the underframe, and the bottom ends of the elastic pieces are fixedly connected with the fixed part;
the elastic members are symmetrically arranged along a vertical plane parallel to the front-rear direction.
2. A two-axle frame type vehicle body for a track according to claim 1, wherein: the hanger is fixed with the driving motor through a connecting piece.
3. A two-axle frame type vehicle body for a track according to claim 2, wherein: the connecting piece is a screw arranged on the driving motor, and a threaded hole used for being connected with the screw on the driving motor is formed in the mounting plane so as to realize fixed connection between the hanger and the driving motor.
4. A two-axle frame type vehicle body for a track according to claim 1, wherein: lifting seats are arranged at the front end and the rear end of the underframe.
5. A two-axle frame type vehicle body for a track according to claim 1, wherein: the elastic piece is a spring.
6. A two-axle frame type vehicle body for a track according to claim 1, wherein: the vertical shock absorption mechanism also comprises a plurality of dampers, the bottom ends of the dampers are fixed with the fixed parts, and the top ends of the dampers are fixed with the bottom end of the bottom frame.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010034591X | 2020-01-14 | ||
| CN202010034591.XA CN111038530A (en) | 2020-01-14 | 2020-01-14 | Two-shaft framework type storage battery locomotive for track |
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| Publication Number | Publication Date |
|---|---|
| CN111483477A CN111483477A (en) | 2020-08-04 |
| CN111483477B true CN111483477B (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010034591.XA Withdrawn CN111038530A (en) | 2020-01-14 | 2020-01-14 | Two-shaft framework type storage battery locomotive for track |
| CN202010565134.3A Active CN111559391B (en) | 2020-01-14 | 2020-06-19 | Two-shaft frame type storage battery locomotive for track |
| CN202021156897.4U Active CN212500354U (en) | 2020-01-14 | 2020-06-19 | Two-shaft framework type storage battery locomotive for track |
| CN202010565888.9A Active CN111483477B (en) | 2020-01-14 | 2020-06-19 | Two-shaft framework type vehicle body for track |
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| CN202010034591.XA Withdrawn CN111038530A (en) | 2020-01-14 | 2020-01-14 | Two-shaft framework type storage battery locomotive for track |
| CN202010565134.3A Active CN111559391B (en) | 2020-01-14 | 2020-06-19 | Two-shaft frame type storage battery locomotive for track |
| CN202021156897.4U Active CN212500354U (en) | 2020-01-14 | 2020-06-19 | Two-shaft framework type storage battery locomotive for track |
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| CN111038530A (en) * | 2020-01-14 | 2020-04-21 | 中车资阳机车有限公司 | Two-shaft framework type storage battery locomotive for track |
| CN112406913A (en) * | 2020-12-06 | 2021-02-26 | 中车永济电机有限公司 | Two-axle pure electric heavy rail car |
| CN113247036A (en) * | 2021-07-01 | 2021-08-13 | 大连海友高科科技有限公司 | Driving device of locomotive bogie |
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| CN206171459U (en) * | 2016-11-08 | 2017-05-17 | 湘潭大学兴湘学院 | Electronic side mine car of unloading |
| CN207566360U (en) * | 2017-12-13 | 2018-07-03 | 刘彬 | A kind of rail mounted mine underground electromechanical equipment transport device |
| CN108791332A (en) * | 2018-06-07 | 2018-11-13 | 铜陵铁科轨道装备有限公司 | A kind of railway Mine haul flatcar |
| CN109466579B (en) * | 2018-12-04 | 2019-10-22 | 湖北时瑞达重型工程机械有限公司 | A kind of battery mining electric vehicle |
| GB201902094D0 (en) * | 2019-02-15 | 2019-04-03 | Bewimo Ltd | Improvements relating to underground mining |
| CN110509945B (en) * | 2019-09-27 | 2024-01-26 | 西南交通大学 | Permanent magnet direct-drive motor-driven single-axle bogie of suspension type monorail vehicle |
| CN111038530A (en) * | 2020-01-14 | 2020-04-21 | 中车资阳机车有限公司 | Two-shaft framework type storage battery locomotive for track |
-
2020
- 2020-01-14 CN CN202010034591.XA patent/CN111038530A/en not_active Withdrawn
- 2020-06-19 CN CN202010565134.3A patent/CN111559391B/en active Active
- 2020-06-19 CN CN202021156897.4U patent/CN212500354U/en active Active
- 2020-06-19 CN CN202010565888.9A patent/CN111483477B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111483477A (en) | 2020-08-04 |
| CN111559391A (en) | 2020-08-21 |
| CN111559391B (en) | 2024-04-12 |
| CN212500354U (en) | 2021-02-09 |
| CN111038530A (en) | 2020-04-21 |
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