CN109435976B - Storage battery engineering vehicle - Google Patents
Storage battery engineering vehicle Download PDFInfo
- Publication number
- CN109435976B CN109435976B CN201811471659.XA CN201811471659A CN109435976B CN 109435976 B CN109435976 B CN 109435976B CN 201811471659 A CN201811471659 A CN 201811471659A CN 109435976 B CN109435976 B CN 109435976B
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- abutting
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- rotating shaft
- grooves
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- 238000009434 installation Methods 0.000 claims description 14
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000013016 damping Methods 0.000 description 12
- 230000007246 mechanism Effects 0.000 description 8
- 230000003137 locomotive effect Effects 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 235000000396 iron Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
- B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
- B61F5/305—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes incorporating rubber springs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention discloses a storage battery engineering vehicle, which is characterized by comprising the following components: the vehicle comprises a vehicle frame, axle boxes and elastic rubber blocks, wherein the vehicle frame comprises a mounting frame and two side plates, the two side plates are respectively fixed on the left side and the right side of the mounting frame, at least two bearing grooves which are arranged along the length direction of the side plates are formed in each side plate, the bearing grooves on one side plate are oppositely arranged in one-to-one correspondence with the bearing grooves on the other side plate, each bearing groove comprises two first mounting surfaces which are oppositely arranged front and back, and the distance between the two first mounting surfaces is gradually reduced from bottom to top; each bearing groove is internally provided with an axle box; the front side and the rear side of the axle box are respectively provided with an abutting groove which is concaved towards the middle part of the axle box; the elastic rubber block can bear impact force in three directions of vertical, transverse and longitudinal at the same time, and further has a good vibration reduction effect on the three directions of the vertical, transverse and longitudinal of the frame.
Description
Technical Field
The invention relates to a rail tractor, in particular to a storage battery engineering vehicle.
Background
Rail tractors are widely used in national irons, urban irons and subways. The prior tractors are mostly internal combustion, and are divided into different power levels to meet various traction demands. With the development of society, people have the defects of smoke pollution, noise pollution and low energy efficiency level of an internal combustion locomotive, and the internal combustion locomotive is gradually replaced by an electric locomotive; however, there is still a large vibration in the running or braking process of the electric locomotive, so that in order to ensure the running safety of the electric locomotive, the vibration generated in the running or braking process of the electric locomotive needs to be further reduced.
Disclosure of Invention
The invention aims to overcome the technical defects, and provides a storage battery engineering vehicle which solves the technical problem that the electric locomotive still has larger vibration in the running or braking process in the prior art.
In order to achieve the technical purpose, the technical scheme of the invention provides a storage battery engineering vehicle, which is characterized by comprising the following components: the vehicle comprises a vehicle frame, axle boxes and elastic rubber blocks, wherein the vehicle frame comprises a mounting frame and two side plates, the two side plates are respectively fixed on the left side and the right side of the mounting frame, at least two bearing grooves which are arranged along the length direction of the side plates are formed in each side plate, the bearing grooves on one side plate are oppositely arranged in one-to-one correspondence with the bearing grooves on the other side plate, each bearing groove comprises two first mounting surfaces which are oppositely arranged front and back, and the distance between the two first mounting surfaces is gradually reduced from bottom to top; each bearing groove is internally provided with an axle box; the front side and the rear side of the axle box are respectively provided with an abutting groove formed by sinking towards the middle of the axle box, the two abutting grooves are oppositely arranged with the two first mounting surfaces in a one-to-one correspondence manner, the distance between the bottoms of the two abutting grooves is gradually reduced from bottom to top, each abutting groove comprises two first abutting surfaces which are adjacently arranged left and right, and the distance between the two adjacent first abutting surfaces is gradually reduced from one side far from the bottom of the abutting groove to one side close to the bottom of the abutting groove; each abutting groove is fixedly provided with an elastic rubber block between the first installation surface which is oppositely arranged with the abutting groove, one side of the elastic rubber block, which is opposite to the first installation surface, is provided with a second installation surface, one side of the elastic rubber block, which is opposite to the abutting groove, is provided with two second abutting surfaces, the second installation surface is parallel to the first installation surface, the second installation surface is fixedly connected with the first installation surface, the two second abutting surfaces are parallel to the two first abutting surfaces which are oppositely arranged with the two second abutting surfaces in one-to-one correspondence, and the two second abutting surfaces are in parallel abutting connection with the two first abutting surfaces which are oppositely arranged with the two second abutting surfaces in one-to-one correspondence.
Compared with the prior art, the invention has the beneficial effects that: each axle box in the storage battery engineering truck is connected with a bearing groove arranged on the truck frame through two elastic rubber blocks, as the distance between the bottoms of the two bearing grooves is gradually reduced from bottom to top, each bearing groove comprises two first bearing surfaces which are adjacently arranged left and right, the distance between the two adjacent first bearing surfaces is gradually reduced from one side far away from the bottom of the bearing groove to one side close to the bottom of the bearing groove, the elastic rubber blocks are provided with two second bearing surfaces on one side of the bearing groove, the two second bearing surfaces are in parallel and in parallel butt with the two first bearing surfaces which are oppositely arranged, so that the elastic rubber blocks can bear impact forces in three directions, namely vertical, transverse and longitudinal, of the truck frame at the same time, the weight of the elastic rubber blocks is far lower than that of a spring mechanism or a vibration damping mechanism in the prior art, the hydraulic vibration damping and maintenance cost is low, and the hydraulic vibration damping and maintenance cost is low.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view of the bottom structure of fig. 1.
Fig. 3 is a schematic perspective view of a frame according to a first view of the present invention.
Fig. 4 is a schematic view of a second perspective view of the frame of the present invention.
FIG. 5 is a schematic view of the connection structure of an axle housing and two elastic rubber blocks according to the present invention.
Fig. 6 is a schematic view of the structure of fig. 5 with two elastic rubber blocks removed.
Fig. 7 is a schematic view of the structure of fig. 5 with the axlebox removed.
Fig. 8 is a schematic diagram of the drive connection structure of the motor, gearbox and wheel set of the present invention.
Fig. 9 is a schematic perspective view of a battery case according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1 to 9, the present embodiment provides a battery engineering vehicle, which is characterized by comprising: the vehicle comprises a vehicle frame 1, an axle box 2, an elastic rubber block 3, a storage battery box 4, a wheel set 5, a motor 6 and a gearbox 7.
The frame 1 comprises a mounting frame 11 and two side plates 12, wherein the two side plates 12 are respectively fixed on the left side and the right side of the mounting frame 11, each side plate 12 is provided with at least two bearing grooves 12a arranged along the length direction of the side plate, the bearing grooves 12a on one side plate 12 are oppositely arranged with the bearing grooves 12a on the other side plate in a one-to-one correspondence manner, each bearing groove 12a comprises two first mounting surfaces 12a1 which are oppositely arranged front and back, and the space between the two first mounting surfaces 12a1 is gradually reduced from bottom to top; each of the receiving grooves 12a is provided with one of the axle boxes 2.
The front side and the rear side of the axle box 2 are respectively provided with an abutting groove 2a which is formed by sinking towards the middle part of the axle box 2, the two abutting grooves 2a are arranged opposite to the two first mounting surfaces 12a1 in a one-to-one correspondence manner, the distance between the bottoms of the two abutting grooves 2a is gradually reduced from bottom to top, each abutting groove 2a comprises two first abutting surfaces 2a1 which are adjacently arranged left and right, and the distance between the two adjacent first abutting surfaces 2a1 is gradually reduced from one side far away from the bottoms of the abutting grooves 2a to one side close to the bottoms of the abutting grooves 2a; the upper end of the abutting groove 2a penetrates through the upper end face of the axle box 2; the abutment groove 2a further includes a third abutment surface 2a2, the third abutment surface 2a2 is disposed at lower ends of two adjacent first abutment surfaces 2a1, the third abutment surface 2a2 is triangular, and the third abutment surface 2a2 and the two adjacent first abutment surfaces 2a1 surround to form a triangular prism-shaped abutment groove 2a; the elastic rubber block 3 is fixed between each abutting groove 2a and the first mounting surface 12a1 arranged opposite to the abutting groove.
A second mounting surface 3a is arranged on one side of the elastic rubber block 3 opposite to the first mounting surface 12a1, two second abutting surfaces 3b are arranged on one side of the elastic rubber block 3 opposite to the abutting groove, the second mounting surface 3a is parallel to the first mounting surface 12a1, the second mounting surface 3a is fixedly connected with the first mounting surface 12a1 through screws, the two second abutting surfaces 3a are parallel to the two first abutting surfaces 2a1 oppositely arranged, and the two second abutting surfaces 3a are in parallel abutting connection with the two first abutting surfaces 2a1 oppositely arranged; the lower end of the elastic rubber block 3 is in parallel abutting connection with the third abutting surface 2a2 and is used for increasing the area of the vertical supporting surface; every in this battery engineering truck axle box 2 all pass through two elastic rubber piece 3 with the accepting groove 12a that sets up on the frame 1 is connected, elastic rubber piece 3 can bear vertical, horizontal and vertical three direction impact force simultaneously, and then to the vertical, horizontal and vertical three direction of frame 1 all play better damping effect, and elastic rubber piece 3's weight is far lower than spring damping mechanism or hydraulic damping mechanism among the prior art, and the cost is lower, and maintenance work load is little.
Each receiving groove 12a is formed by upwards sinking the lower end of the side plate 12, a protection beam 12b is arranged at the lower end of each receiving groove 12a, and two ends of the protection beam 12b are detachably and fixedly connected with the front side and the rear side of the receiving groove 12a through bolts respectively, so that the assembly is convenient.
Specifically, in this embodiment, two receiving grooves 12a are provided on each side plate 12; the number of the axle boxes 2 is four, the four axle boxes 2 are arranged in the four bearing grooves 12a in a one-to-one correspondence manner, and the bearing holes of the two axle boxes 2 arranged on one side plate 12 are coaxially and oppositely arranged in a one-to-one correspondence manner with the bearing holes of the two axle boxes 2 arranged on the other side plate 12.
The number of the wheel sets 5 is two, two ends of one wheel set 5 are respectively and rotatably connected with bearing holes on the two axle boxes 2 which are oppositely arranged, and two ends of the other wheel set 5 are respectively and rotatably connected with bearing holes on the other two axle boxes 2 which are oppositely arranged.
The number of the motors 6 and the number of the gearboxes 7 are two, the two motors 6 and the two gearboxes 7 are arranged below the mounting frame 11, each wheel set 5 is in driving connection with the output end of one gearbox 7, and the input end of each gearbox 7 is in driving connection with the output end of one motor 6; specifically, a first cylindrical helical gear 5a fixedly connected with the center of each wheel set 5 is arranged in the center of each wheel set 5, the center of each wheel set 5 and the first cylindrical helical gear 5a are both rotationally arranged in a shell of the gearbox 7, a first rotating shaft 7a, a second rotating shaft 7b, a second cylindrical helical gear 7c, a first bevel gear 7d and a second bevel gear 7e are arranged in the shell of the gearbox 7, the first rotating shaft 7a is parallel to the wheel sets 5, the first rotating shaft 7a and the second rotating shaft 7b are both rotationally connected with bearings arranged on the shell of the gearbox 7, and the first rotating shaft 7a is perpendicular to the second rotating shaft 7 b; the second cylindrical helical gear 7c and the second bevel gear 7e are coaxially and fixedly connected with the first rotating shaft 7a, and the second cylindrical helical gear 7c is meshed with the first cylindrical helical gear 5 a; the first bevel gear 7d is fixedly connected with one end of the second rotating shaft 7b in a coaxial way, and the first bevel gear 7d is meshed with the second bevel gear 7 e; the other end of the second rotating shaft 7b penetrates out of the shell of the gearbox 7 and is in driving connection with the driving shaft of the motor 6 through a coupler 8; the bottom of each motor 6 is further provided with a receiving plate a (not shown in fig. 2) for fixing the motor 6, and the left and right sides of the receiving plate a are fixedly connected with the two side plates 12, respectively.
In this embodiment, the battery case 4 is mounted above the mounting frame 11; the storage battery boxes 4 are three, the three storage battery boxes 4 are sequentially arranged along the length direction of the mounting frame 11, each storage battery box 4 comprises a box body 41 and a cover body 42, the upper end of each box body 41 is provided with an opening, the cover body 42 is buckled with the upper end of each box body 41, the side wall of each box body 41 is provided with an overflow hole 41a communicated with the inside of the box body 41, the overflow holes 41a can play a role in draining water and can play a role in dissipating heat, the bottom of each box body 41 is provided with a drain hole 41b communicated with the inside of the box body 41, and the drain holes 41b are used for preventing rainwater from being deposited at the bottom of the box body 41; a lifting ring 41c is arranged on the outer side wall of the box body 41, so that the box body 41 can be lifted conveniently; a plurality of square tubes 42a are fixed on the cover body 42, one side face of each square tube 42a is adhered to the upper surface of the cover body 42, and is fixedly connected with the upper surface of the cover body 42, so that the heat dissipation effect of the storage battery box 4 is improved, and heat dissipation gaps are formed between two adjacent square tubes 42a, so that the heat dissipation effect of the storage battery box 4 is further improved.
Working principle: each axle box 2 in the battery engineering truck is connected with a bearing groove 12a arranged on the frame 1 through two elastic rubber blocks 3, as the distance between the bottoms of the two abutting grooves 2a is gradually reduced from bottom to top, and each abutting groove 2a comprises two first abutting surfaces 2a1 which are adjacently arranged left and right, the distance between the two adjacent first abutting surfaces 2a1 is gradually reduced from one side far away from the bottoms of the abutting grooves 2a to one side close to the bottoms of the abutting grooves 2a, two second abutting surfaces 3b are arranged on one side of the elastic rubber blocks 3 corresponding to the abutting grooves 2a, and the two second abutting surfaces 3b are in parallel abutting connection with the two first abutting surfaces 2a1 which are oppositely arranged, so that the elastic rubber blocks 3 can bear impact forces in three directions of the vertical direction, the transverse direction and the longitudinal direction at the same time, and further have good hydraulic vibration damping function on the frame 1, the three directions and the vibration damping function is lower than that the conventional vibration damping mechanisms are maintained by the hydraulic vibration damping mechanisms, and the hydraulic vibration damping mechanisms are far less than those of the conventional vibration damping mechanisms.
The above-described embodiments of the present invention do not limit the scope of the present invention. Any other corresponding changes and modifications made in accordance with the technical idea of the present invention shall be included in the scope of the claims of the present invention.
Claims (4)
1. A battery engineering vehicle, comprising: the vehicle comprises a vehicle frame, axle boxes and elastic rubber blocks, wherein the vehicle frame comprises a mounting frame and two side plates, the two side plates are respectively fixed on the left side and the right side of the mounting frame, at least two bearing grooves which are arranged along the length direction of the side plates are formed in each side plate, the bearing grooves on one side plate are oppositely arranged in one-to-one correspondence with the bearing grooves on the other side plate, each bearing groove comprises two first mounting surfaces which are oppositely arranged front and back, and the distance between the two first mounting surfaces is gradually reduced from bottom to top; each bearing groove is internally provided with an axle box; the front side and the rear side of the axle box are respectively provided with an abutting groove formed by sinking towards the middle of the axle box, the two abutting grooves are oppositely arranged with the two first mounting surfaces in a one-to-one correspondence manner, the distance between the bottoms of the two abutting grooves is gradually reduced from bottom to top, each abutting groove comprises two first abutting surfaces which are adjacently arranged left and right, and the distance between the two adjacent first abutting surfaces is gradually reduced from one side far from the bottom of the abutting groove to one side close to the bottom of the abutting groove; each abutting groove is fixedly provided with an elastic rubber block between the corresponding first installation surface, a second installation surface is arranged on one side of the elastic rubber block, which is opposite to the first installation surface, two second abutting surfaces are arranged on one side of the elastic rubber block, which is opposite to the abutting grooves, the second installation surface is parallel to the first installation surface and fixedly connected with the first installation surface, the two second abutting surfaces are parallel to the corresponding two first abutting surfaces, and the two second abutting surfaces are parallel to the corresponding two first abutting surfaces;
each receiving groove is formed by upwards sinking the lower end of the side plate, the lower end of each receiving groove is provided with a protection beam, and two ends of the protection beam are detachably and fixedly connected with the front side and the rear side of each receiving groove respectively;
the upper end of the abutting groove penetrates through the upper end face of the axle box; the abutting groove further comprises a third abutting surface, the third abutting surface is arranged at the lower ends of two adjacent first abutting surfaces, the third abutting surface is triangular, and the third abutting surface and the two adjacent first abutting surfaces are encircled to form the triangular prism-shaped abutting groove; the lower end of the elastic rubber block is in parallel abutting connection with the third abutting surface.
2. The battery engineering vehicle according to claim 1, wherein two receiving grooves are formed in each side plate; the four axle boxes are arranged in the four bearing grooves in a one-to-one correspondence manner, and bearing holes of the two axle boxes arranged on one side plate are coaxially and oppositely arranged in a one-to-one correspondence manner with bearing holes of the two axle boxes arranged on the other side plate; the storage battery engineering vehicle further comprises a storage battery box, two wheel pairs, a motor and a gearbox, wherein two ends of one wheel pair are respectively and rotatably connected with bearing holes on two oppositely arranged axle boxes, and two ends of the other wheel pair are respectively and rotatably connected with bearing holes on the other two oppositely arranged axle boxes; the storage battery box is arranged above the mounting frame; the motor and the gearbox are two, the two motors and the two gearboxes are all installed below the installation frame, each wheel set is in driving connection with one output end of the gearbox, and the input end of each gearbox is in driving connection with one output end of the motor.
3. The battery engineering truck according to claim 2, wherein a first cylindrical bevel gear is arranged in the middle of each wheel set and is fixedly connected with the same coaxially, the middle of each wheel set and the first cylindrical bevel gear are both rotationally arranged in a shell of the gearbox, a first rotating shaft, a second cylindrical bevel gear, a first bevel gear and a second bevel gear are arranged in the shell of the gearbox, the first rotating shaft is parallel to the wheel sets, the first rotating shaft and the second rotating shaft are both rotationally connected with bearings arranged on the shell of the gearbox, and the first rotating shaft is perpendicular to the second rotating shaft; the second cylindrical helical gear and the second bevel gear are coaxially and fixedly connected with the first rotating shaft, and the second cylindrical helical gear is meshed with the first cylindrical helical gear; the first bevel gear is fixedly connected with one end of the second rotating shaft in a coaxial way, and the first bevel gear is meshed with the second bevel gear; the other end of the second rotating shaft penetrates out of the shell of the gearbox and is in driving connection with the driving shaft of the motor.
4. The battery engineering vehicle according to claim 2, wherein the plurality of battery boxes are sequentially arranged along the length direction of the mounting frame, each battery box comprises a box body and a cover body, the upper end of the box body is provided with an opening, the cover body is buckled with the opening at the upper end of the box body, the side wall of each box body is provided with an overflow hole communicated with the inside of the box body, and the bottom of each box body is provided with a drain hole communicated with the inside of the box body; a plurality of square pipes are fixed on the cover body, one side faces of the square pipes are attached to the upper surface of the cover body for arrangement, the square pipes are fixedly connected with the upper surface of the cover body, and heat dissipation gaps are formed between every two adjacent square pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811471659.XA CN109435976B (en) | 2018-12-04 | 2018-12-04 | Storage battery engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811471659.XA CN109435976B (en) | 2018-12-04 | 2018-12-04 | Storage battery engineering vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109435976A CN109435976A (en) | 2019-03-08 |
| CN109435976B true CN109435976B (en) | 2023-11-24 |
Family
ID=65556192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811471659.XA Active CN109435976B (en) | 2018-12-04 | 2018-12-04 | Storage battery engineering vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109435976B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110001680B (en) * | 2019-04-08 | 2024-01-30 | 湖北工业大学 | Slag transport vehicle for narrow gauge tunnel construction |
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| GB772644A (en) * | 1954-06-05 | 1957-04-17 | Schweizerische Lokomotiv | Improvements in or relating to resilient mountings of rail car frames on the axle boxes |
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|---|---|---|---|---|
| GB772644A (en) * | 1954-06-05 | 1957-04-17 | Schweizerische Lokomotiv | Improvements in or relating to resilient mountings of rail car frames on the axle boxes |
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| CN101749364A (en) * | 2010-01-28 | 2010-06-23 | 长安大学 | Damping system of novel vibratory roller |
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| CN106891912A (en) * | 2015-12-17 | 2017-06-27 | 湖北时瑞达重型工程机械有限公司 | The track engineering vehicle carriage that can be flexibly turned on 19 meters of curve bends |
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| Publication number | Publication date |
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| CN109435976A (en) | 2019-03-08 |
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