CN111605568A - Diesel locomotive cab with multistage collision protection - Google Patents
Diesel locomotive cab with multistage collision protection Download PDFInfo
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- CN111605568A CN111605568A CN202010629555.8A CN202010629555A CN111605568A CN 111605568 A CN111605568 A CN 111605568A CN 202010629555 A CN202010629555 A CN 202010629555A CN 111605568 A CN111605568 A CN 111605568A
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- cab
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- locomotive
- cover plate
- collision protection
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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 56
- 230000003139 buffering effect Effects 0.000 claims abstract description 44
- 238000010521 absorption reaction Methods 0.000 claims abstract description 31
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 4
- 230000001939 inductive effect Effects 0.000 claims description 2
- 239000002344 surface layer Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 6
- 230000001133 acceleration Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012938 design process Methods 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
- 230000001681 protective effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
- B61C17/04—Arrangement or disposition of driving cabins, footplates or engine rooms; Ventilation thereof
-
- 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
- B61F19/00—Wheel guards; Bumpers; Obstruction removers or the like
- B61F19/04—Bumpers or like collision guards
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Vibration Dampers (AREA)
Abstract
The invention relates to the technical field of diesel locomotives, in particular to a diesel locomotive cab with multistage collision protection, which comprises an upper top cover of the cab, a lower enclosure of the cab, a vehicle body underframe and a rear end wall of the cab, wherein the front end of the vehicle body underframe is provided with a first buffering energy-absorbing device, and the front end of the front end wall of the cab is provided with a second buffering energy-absorbing device. The invention relates to a diesel locomotive cab with multistage collision protection.A buffer energy absorption device is arranged at the end part of a car body underframe and the lower part of the front end of the cab, and a method for designing the lower part structure of the cab into an integral frame structure is adopted to construct multistage safety protection measures for the diesel locomotive cab; in order to fully exert the protection effect of the buffering energy-absorbing device on the cab structure in the collision process and fully utilize the space of the locomotive, the buffering energy-absorbing device is arranged at the end part of the underframe of the locomotive body and the lower part of the front end of the cab in a relatively independent rectangular array mode.
Description
Technical Field
The invention relates to the technical field of diesel locomotives, in particular to a diesel locomotive cab with multistage collision protection.
Background
With the overall speed increase of rail transit, the passive safety of rail vehicles is widely concerned by relevant organizations at home and abroad, and a series of technical specifications about the passive safety of rail vehicles are established. However, these specifications are widely applied to the research and development design of vehicles such as subways, trams, electric locomotives and high-speed motor trains, and are rarely applied to the research and development design of internal combustion locomotives. In the design process of the traditional diesel locomotive, due to the factors of limited design space, technical conditions and the like, the protective measures for the cab structure in the collision process of the locomotive are not comprehensively considered, and a small number of anti-collision posts are often arranged at the front end of the cab. In the process of locomotive collision, the collision-proof columns are not enough to resist collision impact force and cannot play an effective protection role in the structure of a driver cab of the internal combustion locomotive and drivers and passengers.
Disclosure of Invention
In order to overcome the defects that the existing locomotive cab structure is not enough to resist collision impact force and protect drivers and passengers in the collision process, the invention provides the diesel locomotive cab with multistage collision protection, and the buffering energy-absorbing devices are arranged at the end part of a vehicle body underframe and the lower part of the front end of the cab and are arranged in a relatively independent rectangular array mode in the end part of the vehicle body underframe and the lower part of the front end of the cab.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a diesel locomotive cab with multistage collision protection, encloses fender, automobile body chassis and cab rear end wall including top cap, cab lower part on the cab, characterized by, the cab lower part encloses the fender and comprises anterior headwall, side wall and rear end wall, automobile body chassis front end is equipped with buffering energy-absorbing device one, anterior headwall front end is equipped with buffering energy-absorbing device two.
Furthermore, the lower enclosure of the cab is fixed on the underframe of the vehicle body and is connected with the underframe of the vehicle body in a welding mode.
Furthermore, at least six second buffer energy absorption devices are arranged at the front end of the front end wall in a rectangular array mode.
The energy absorption device comprises a first locking plate, a first cover plate, a guide column, a first crushing deformation body, a first support plate and a first bottom plate.
Further, including that locking plate one is zigzag platelike, and by a welded fastening of at least two locking plate one terminal surface before apron, conquassation deformation body one is made by aluminium system pipe, and conquassation deformation body array arranges between apron one and bottom plate one, conquassation deformation body extexine has evenly seted up conquamation deformation and has induced the guide slot, conquamation deformation body outside just is located apron one and is fixed with backup pad one between the bottom plate one, the guide post passes bottom plate one and the top is fixed at apron rear end face.
And further, the energy absorption device II comprises a locking plate II, a cover plate II, a crushing deformation body II, a support plate II and a bottom plate II.
And furthermore, the second locking plate is in a zigzag plate shape, the second locking plate is fixedly welded on the front end surface of the second cover plate, the second crushing deformation body is in a square honeycomb structure with a quadrilateral frustum pyramid, the second crushing deformation body is arranged between the second cover plate and the second bottom plate in an array manner, and a second support plate is fixed on the outer side of the second crushing deformation body and between the second cover plate and the second bottom plate.
Furthermore, at least three first buffer energy absorption devices are transversely arranged at the front end of the underframe of the locomotive body along the locomotive.
The invention has the beneficial effects that the diesel locomotive cab with multistage collision protection is provided with the buffering energy absorption devices at the end part of the underframe of the locomotive body and the lower part of the front end of the cab and the method for designing the lower part structure of the cab into the integral frame structure, so that multistage safety protection measures are constructed for the diesel locomotive cab; in order to fully exert the protection effect of the buffering energy-absorbing device on the cab structure in the collision process and fully utilize the space of the locomotive, the buffering energy-absorbing device is arranged at the end part of a chassis of the locomotive body and the lower part of the front end of the cab in a relatively independent rectangular array mode; in order to enable the buffering energy-absorbing device to crush and deform along the longitudinal direction, a locking plate, a guide column and a square honeycomb structure of a quadrangular frustum pyramid are arranged in the buffering energy-absorbing device; through locomotive underframe tip, cab front end lower part sets up buffering energy-absorbing device and becomes the frame-shaped fender structure that encloses with cab substructure design, multistage safety protection measure has been found for the cab, safety protection measure opens in proper order at the collision in-process, effectual cab overall structure and the driver and crew of having protected, thereby improve the passive security of diesel locomotive, buffering energy-absorbing device's modular structure and nimble mode of arranging, when the passive safety design of diesel locomotive cab, can design cab safety protection structure according to locomotive spatial structure is nimble.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the lower structure of FIG. 1;
FIG. 3 is a schematic structural view of a first energy-absorbing buffer device in FIG. 1;
FIG. 4 is a schematic structural view of a second energy absorption buffer device in FIG. 1.
In the figure, 1, an upper top cover of a cab, 2, a lower enclosure of the cab, 3, a vehicle body bottom frame, 4, a rear end wall of the cab, 5, a front end wall, 6, a side wall, 7, a rear end wall, 8, a first buffering energy-absorbing device, 9, a second buffering energy-absorbing device, 81, a first locking plate, 82, a first cover plate, 83, a guide column, 84, a first crushing deformation body, 85, a first support plate, 86, a first bottom plate, 91, a second locking plate, 92, a second cover plate, 93, a second crushing deformation body, 94, a second support plate and 95, a second bottom plate are arranged in the cab.
Detailed Description
As shown in fig. 1, the invention is a schematic structural diagram, and a diesel locomotive cab with multistage collision protection comprises a cab upper top cover 1, a cab lower enclosure 2, a vehicle body underframe 3 and a cab rear end wall 4, wherein the cab lower enclosure 2 is composed of a front end wall 5, a side wall 6 and a rear end wall 7, a first buffering energy-absorbing device 8 is arranged at the front end of the vehicle body underframe 3, and a second buffering energy-absorbing device 9 is arranged at the front end of the front end wall 5.
Referring to fig. 1 and 2, the cab lower enclosure 2 is fixed to the vehicle body underframe 3 and is connected to the vehicle body underframe 3 by welding.
Referring to fig. 1 and 2, at least six second buffer energy absorbers 9 are arranged at the front end of the front end wall 5 in a rectangular array.
Referring to fig. 1 and 3, the first energy-absorbing buffer device 8 comprises a first locking plate 81, a first cover plate 82, a first guide post 83, a first crush deformation body 84, a first support plate 85 and a first bottom plate 86.
Referring to fig. 1 and 3, the first locking plate 81 is a zigzag plate, and is welded and fixed to the front end face of the first cover plate 82 by at least two first locking plates 81, the first crush deformation body 84 is made of an aluminum round tube, and the first crush deformation body 84 is arranged between the first cover plate 82 and the first bottom plate 86 in an array manner, the crush deformation inducing groove is uniformly formed in the outer surface layer of the first crush deformation body 84, the first crush deformation body 84 is located on the outer side of the first cover plate 82 and the first bottom plate 86, and a first support plate 85 is fixed between the first cover plate 82 and the first bottom plate 86, and the guide column 83 penetrates the first bottom plate 86 and the top end of the first bottom plate is fixed to the. The first locking plate 81 is a sawtooth-shaped plate, the guide post 83 is a circular tube with two distributed ends, and the moving direction of the collision object is locked and guided through the first locking plate 81 and the guide post 83 so as to enable the collision object to move along the longitudinal direction of the locomotive, namely the direction vertical to the front face of the locomotive, so that the first crushing deformation body 84 and the first support plate 85 are deformed along the longitudinal direction of the locomotive, and the performance of the first buffering energy absorption device 8 is exerted to the maximum extent; the first crushing deformation body 84 is made of aluminum round tubes and is distributed between the first cover plate 82 and the first base plate 86 in a rectangular array mode, and crushing deformation induction grooves are uniformly formed in the surface of the first crushing deformation body 84, so that the first buffering energy absorption device 8 opens crushing deformation under the action of small collision impact force, and violent change of acceleration in collision is avoided.
Referring to fig. 1 and 4, the second buffering and energy absorbing device 9 is composed of a second locking plate 91, a second cover plate 92, a second crush deformation body 93, a second support plate 94 and a second bottom plate 95.
Referring to fig. 1 and 4, the second locking plate 91 is a zigzag plate, and is welded and fixed to the front end face of the second cover plate 92 by at least two second locking plates 91, the second crush deformation body 93 is a square honeycomb structure with quadrangular frustum pyramid, the second crush deformation body 93 is arranged between the second cover plate 92 and the second bottom plate 95 in an array manner, and a second support plate 94 is fixed outside the second crush deformation body 93 and between the second cover plate 92 and the second bottom plate 95. The second crushing deformation body 93 adopts a quadrangular frustum pyramid square honeycomb structure which is relatively stable and has certain guidance; through the second locking plate 91 and the second crushing deformation body 93, the collision objects continue to move along the longitudinal direction of the locomotive, so that the second buffering energy absorption device 9 is crushed and deformed along the longitudinal direction of the locomotive, and the performance of the buffering energy absorption device is exerted to the greatest extent.
Referring to fig. 1 and 2, at least three first buffer energy absorption devices 8 are arranged at the front end of the underframe 3 of the car body along the transverse direction of the locomotive.
The first embodiment is as follows:
the first-level safety protection measure of the cab is mainly formed by three first buffer energy absorption devices 8 distributed at the end part of the underframe 3 of the car body along the transverse direction of the locomotive, and in the collision process, the first buffer energy absorption devices 8 are firstly contacted with a collision object to start the first-level safety protection of the cab. The first buffering energy-absorbing device 8 is fixedly connected with the vehicle body underframe 3 through bolts and is independent from the other buffering energy-absorbing device 8, so that the collision of a collision object with any side of the front side of the cab is guaranteed, the first buffering energy-absorbing device 8 can effectively play a protection role, and the first buffering energy-absorbing device 8 is convenient to maintain and replace. The first buffering energy absorption device 8 mainly comprises a first locking plate 81, a first cover plate 82, a guide column 83, a first crushing deformation body 84, a first support plate 85 and a first bottom plate 86. The first locking plate 81 is mainly a plurality of sawtooth-shaped plates, the guide post 83 is a circular tube with two distributed ends, and the moving direction of the collision object is locked and guided through the first locking plate 81 and the guide post 83 so as to enable the collision object to move along the longitudinal direction of the locomotive, namely the direction vertical to the front face of the locomotive, so that the first crushing deformation body 84 and the first support plate 85 are deformed along the longitudinal direction of the locomotive, and the performance of the first buffering energy absorption device 8 is exerted to the maximum extent; the first crushing deformation body 84 is made of aluminum round tubes and is distributed between the first cover plate 82 and the first base plate 86 in an array mode, and crushing deformation induction grooves are uniformly formed in the surface of the aluminum tube, so that the first buffering energy absorption device 9 can be opened to crush deformation under the action of small collision impact force, and severe change of acceleration in collision is avoided.
The second embodiment is as follows:
the second-level safety protection measure of the cab mainly comprises a second buffering energy absorption device 9 distributed at the front end of the front end wall 5 in a 2 multiplied by 6 matrix mode, when the first buffering energy absorption device 8 in the first-level safety protection measure is crushed and deformed to reach the maximum stroke and the collision process is not finished, the second buffering energy absorption device 9 is in contact with a collision object, and the second-level safety protection of the cab is started. The second buffer energy absorption devices 9 are fixedly connected with the front end wall 5 through bolts and are independent from each other. The second buffering energy absorption device 9 mainly comprises a second locking plate 91, a second cover plate 92, a second crushing deformation body 93, a second support plate 94 and a second bottom plate 95. Through the second locking plate 91, relative sliding between the collision object and the buffering energy absorption device 9 is avoided, and the second crushing deformation body 93 adopts a quadrangular frustum pyramid square honeycomb structure which is relatively stable and has certain guidance; through the second locking plate 91 and the second crushing deformation body 93, the collision objects continue to move along the longitudinal direction of the locomotive, so that the second buffering energy absorption device 9 is crushed and deformed along the longitudinal direction of the locomotive, and the performance of the buffering energy absorption device is exerted to the greatest extent.
The third concrete embodiment:
the third level safety protection measure of the cab is composed of a cab lower enclosure 2, when the crushing deformation of the second buffer energy absorption device 9 in the second level safety protection measure reaches the maximum stroke, the cab lower enclosure 2 resists the collision impact force in an elastic or plastic deformation mode, and the third level safety protection of the cab is started. The lower enclosure 2 of the cab mainly comprises a front end wall 5, a side wall 6 and a rear end wall 7, and is connected with the underframe 3 of the vehicle body in a welding mode to form a frame-shaped structure, and the structure has good stability. In the collision process, the collision impact force is effectively transmitted to the vehicle body chassis 3 through the structures such as the upright posts, the cross beams, the longitudinal beams, the reinforcing ribs, the inclined struts and the like, so that the overall structure of the cab is effectively protected.
The fourth concrete embodiment:
the first-stage safety protection measure of the cab is mainly formed by distributing three first buffer energy absorption devices 8 at the end part of a vehicle body underframe 3 along the transverse direction of the locomotive, wherein in the collision process, the first buffer energy absorption devices 8 are firstly contacted with a collision object, and the first-stage safety protection of the cab is started; the second-level safety protection measure of the cab mainly comprises a second buffering energy-absorbing device 9 distributed at the front end of the front end wall 5 in a 2 multiplied by 6 matrix, when the first buffering energy-absorbing device 8 in the first-level safety protection measure is crushed and deformed to reach the maximum stroke and the collision process is not finished, the second buffering energy-absorbing device 9 is in contact with a collision object, and the second-level safety protection of the cab is started; the third level safety protection measure of the cab is composed of a cab lower enclosure 2, when the crushing deformation of the second buffer energy absorption device 9 in the second level safety protection measure reaches the maximum stroke, the cab lower enclosure 2 resists the collision impact force in an elastic or plastic deformation mode, and the third level safety protection of the cab is started.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. The utility model provides a diesel locomotive cab with multistage collision protection, encloses fender (2), automobile body chassis (3) and cab rear end wall (4) including cab upper header (1), cab lower part, characterized by, the cab lower part encloses fender (2) and comprises anterior headwall (5), side wall (6) and rear portion headwall (7), automobile body chassis (3) front end is equipped with buffering energy-absorbing device one (8), anterior headwall (5) front end is equipped with buffering energy-absorbing device two (9).
2. The cab of the diesel locomotive with the multistage collision protection as claimed in claim 1, wherein the lower enclosure (2) of the cab is fixed on the underframe (3) of the locomotive body and is connected with the underframe (3) of the locomotive body by welding.
3. The cab of the diesel locomotive with the multistage collision protection as claimed in claim 1, wherein the front end of the front end wall (5) is provided with at least two second buffer energy absorption devices (9) in a rectangular array.
4. The cab of the diesel locomotive with the multistage collision protection as claimed in claim 1, wherein the first buffering and energy absorbing device (8) is composed of a first locking plate (81), a first cover plate (82), a guide column (83), a first crushing deformation body (84), a first support plate (85) and a first bottom plate (86).
5. The cab of the diesel locomotive with the multistage collision protection as claimed in claim 4, wherein the first locking plate (81) is zigzag plate-shaped, and is welded and fixed to the front end face of the first cover plate (82) by at least two first locking plates (81), the first crush deformation body (84) is made of an aluminum round pipe, the first crush deformation body (84) is arranged between the first cover plate (82) and the first base plate (86) in an array manner, crush deformation inducing grooves are uniformly formed in the outer surface layer of the first crush deformation body (84), first support plates (85) are fixed on the outer sides of the first crush deformation body (84) and between the first cover plate (82) and the first base plate (86), and the guide columns (83) penetrate through the first base plate (86) and the top ends of the first support plates are fixed to the rear end face of the first cover plate (82).
6. The cab of the diesel locomotive with the multistage collision protection as claimed in claim 1, wherein the second buffering and energy absorbing device (9) is composed of a second locking plate (91), a second cover plate (92), a second crushing deformation body (93), a second support plate (94) and a second bottom plate (95).
7. The cab of the diesel locomotive with the multistage collision protection as claimed in claim 6, wherein the second locking plate (91) is zigzag plate-shaped, and at least two second locking plates (91) are welded and fixed on the front end face of the second cover plate (92), the second crush deformation body (93) is a square honeycomb structure with a quadrangular frustum pyramid, the second crush deformation body (93) is arranged between the second cover plate (92) and the second bottom plate (95) in an array manner, and the second support plate (94) is fixed on the outer side of the second crush deformation body (93) and is positioned between the second cover plate (92) and the second bottom plate (95).
8. The cab of the diesel locomotive with the multistage collision protection as claimed in claim 1, wherein at least three first buffer energy absorption devices (8) are arranged at the front end of the underframe (3) of the locomotive body along the transverse direction of the locomotive.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010629555.8A CN111605568A (en) | 2020-07-03 | 2020-07-03 | Diesel locomotive cab with multistage collision protection |
| PCT/CN2021/093310 WO2022001387A1 (en) | 2020-07-03 | 2021-05-12 | Internal combustion locomotive cab having multistage collision protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010629555.8A CN111605568A (en) | 2020-07-03 | 2020-07-03 | Diesel locomotive cab with multistage collision protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111605568A true CN111605568A (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010629555.8A Pending CN111605568A (en) | 2020-07-03 | 2020-07-03 | Diesel locomotive cab with multistage collision protection |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111605568A (en) |
| WO (1) | WO2022001387A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022001387A1 (en) * | 2020-07-03 | 2022-01-06 | 中车戚墅堰机车有限公司 | Internal combustion locomotive cab having multistage collision protection function |
| WO2022057424A1 (en) * | 2020-09-16 | 2022-03-24 | 中车株洲电力机车有限公司 | Rail vehicle, rail vehicle collision avoidance system and rail vehicle collision avoidance method |
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| WO2022001387A1 (en) * | 2020-07-03 | 2022-01-06 | 中车戚墅堰机车有限公司 | Internal combustion locomotive cab having multistage collision protection function |
| WO2022057424A1 (en) * | 2020-09-16 | 2022-03-24 | 中车株洲电力机车有限公司 | Rail vehicle, rail vehicle collision avoidance system and rail vehicle collision avoidance method |
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| Publication number | Publication date |
|---|---|
| WO2022001387A1 (en) | 2022-01-06 |
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