CN104709211A - Freight car rear-end collision preventing safety protection device - Google Patents
Freight car rear-end collision preventing safety protection device Download PDFInfo
- Publication number
- CN104709211A CN104709211A CN201410128758.3A CN201410128758A CN104709211A CN 104709211 A CN104709211 A CN 104709211A CN 201410128758 A CN201410128758 A CN 201410128758A CN 104709211 A CN104709211 A CN 104709211A
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- CN
- China
- Prior art keywords
- cylinder
- crashproof
- foundry goods
- elastic damping
- knocks
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/56—Fittings damping bouncing force in truck collisions, e.g. bumpers; Arrangements on high-riding vehicles, e.g. lorries, for preventing vehicles or objects from running thereunder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/023—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R2019/026—Buffers, i.e. bumpers of limited extent
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The invention discloses a freight car rear-end collision preventing safety protection device, and belongs to the field of automobile safety parts. The device is arranged on the lower face of the tail of a freight car. The protection device at least comprises two anti-collision castings directly or indirectly connected to the lower portion of the tail of the freight car. The anti-collision castings are arranged in the front-and-back direction of the freight car. Each anti-collision casting is structurally characterized in that the front end of the anti-collision casting is a column, the diameter of the column ranges from 8 mm to 12 mm, cylinders with the diameters sequentially increased are arranged behind the column, the length of each cylinder ranges from 40 mm to 60 mm, the wall thickness of each cylinder ranges from 8 mm to 12 mm, and the length of the overlapped parts of the cylinders ranges from 10 mm to 20 mm. The number of the cylinders is at least two, and all the cylinders and the columns are cast together in the mode that the central axes of all the cylinders and the columns coincide. By the adoption of the freight car rear-end collision preventing safety protection device, causalities and property loss in rear-end accidents can be effectively prevented.
Description
Technical field
The present invention relates to a kind of anti-collision guard device, particularly the anti-shock safety device that knocks into the back of a kind of lorry, belongs to automobile safety components field.
Background technology
Freight Transport is a kind of main Shipping Method, the ratio that China accounts for whole transport as land country Freight Transport is higher, lorry general moving velocity in the process of transport is lower, sometimes even the repair and maintenance that stops is needed, this situation often can cause C-class and the lorry generation rear-end collision of the speed leading to traveling, because the bottom of lorry is higher, bottom space is large, occurring after rear-end collision through normal phenomenon is exactly that the small passenger car portion of craning one directly is inserted into truck tail, cause the personal casualty on comparatively serious C-class, particularly on a highway, this rear-end collision more easily occurs, under sleet greasy weather gas, this kind of accident is more, the personnel caused and damage to property are also larger, current lorry needs a kind of anti-safety device clashed into that knocks into the back in travelling.
Summary of the invention
The present invention is directed to above the deficiencies in the prior art, provide a kind of lorry the anti-shock safety device that knocks into the back.
For realizing object of the present invention, the technical solution adopted in the present invention is: the anti-shock safety device that knocks into the back of lorry, be arranged on below truck tail, described protective device at least comprises the crashproof foundry goods that two are directly or indirectly connected to tailstock bottom, described crashproof foundry goods is arranged along automobile fore-and-aft direction, described crashproof casting structure is: crashproof foundry goods front end is cylinder, the diameter of cylinder is 8-12mm, the cylinder increased successively for diameter below of described cylinder, each drum length is 40-60mm, each wall thickness of cylinder is 8-12mm, length overlapped between cylinder is 10-20mm, described cylinder quantity is at least two, the central axes of all cylinders and cylinder is cast as one, further, described crashproof foundry goods cylinder quantity is from front to back four, further, described each drum length is 50mm, length overlapped between cylinder is 15mm, further, described each bottom of cylinder is provided with groove, described depth of groove is 3-6mm, recess width is 2-6mm, described cylinder outer wall and cylinder are provided with crashproof destruction bolt, described crashproof destruction bolt is the arc plush copper being fixedly installed on cylinder outer wall, plush copper maximum height is not less than 5mm, arc plush copper is positioned at the near middle of drum length, further, rubber bodies is cast with in described each cylinder hollow volume space, further, described crashproof foundry goods rear end is connected on anti-collision baffle plate, front end is directly or indirectly connected on car body, described anti-collision baffle plate is provided with six crashproof foundry goods, the width between centers of two adjacent crashproof foundry goods horizontal directions is 400-500mm, the width between centers of two adjacent crashproof foundry goods vertical directions is 100-200mm, described crashproof foundry goods rear end is connected on anti-collision baffle plate, front end is directly or indirectly connected on car body, described anti-collision baffle plate is provided with six crashproof foundry goods, the width between centers of two adjacent crashproof foundry goods horizontal directions is 400-500mm, the width between centers of two adjacent crashproof foundry goods vertical directions is 100-200mm, parallelly with crashproof foundry goods be provided with the elastic damping cylinder being connected to bottom of car along automobile fore-and-aft direction, elastic damping cylinder and crashproof foundry goods interval are arranged, align with crashproof foundry goods front end in the front end of elastic damping cylinder, elastic damping cylinder be shorter in length than crashproof foundry goods, described elastic damping cylinder comprises cylinder body and hollow piston, described cylinder body inner bottom part is provided with spring perch, spring is arranged in spring perch, spring top withstands in hollow piston, cylinder body oral area is provided with static sealing ring, hollow piston is provided with dynamic seal ring, near cylinder base, side of cylinder block is provided with deflation hole, the quantity of described elastic damping cylinder is set to 4-6.
The lorry provided by the present invention Advantageous Effects clashing into safety device of preventing knocking into the back is: this device connects and is arranged on below automobile tail, align with automobile tail in rear end, when there is C-class and knocking into the back, first the head of C-class bumps against on this device, cracking body is there is in each crashproof foundry goods arranged in this device under the effect of impact, under different Impact energies with the effect of impact, cylinder cracking is different with the quantity destroyed, can actv. absorbing impact energy in cylinder cracking and the process destroyed, prevent car head from entering the considerable damage power that rigid impact generation occurs bottom lorry fast, filled rubber in the hollow space of each cylinder, crashproof foundry goods can better be made to stop C-class head forward hard collision to occur, play better effect, the groove of crashproof destruction bolt and cylinder body bottom is set, the rear anti-crash foundry goods that can make to collide breaks to absorb energy in time, play better protected effect, the elastic damping cylinder be arrangeding in parallel shorter with crashproof foundry goods is set, the elastic compression performance realization of elastic damping cylinder can be leaned on after crashproof foundry goods is destroyed to the absorption of part impinges energy and conversion when Impact energy is larger, the timesharing of this device is digested and assimilated Impact energy, play better Anti-bumping protection effect, this apparatus structure is simple, be easy to realize, be applied in lorry to prevent knocking into the back on crash and can prevent the generation of personal casualty and property damage in rear-end collision by actv..
Accompanying drawing explanation
Fig. 1 is the length direction schematic cross-section of the crashproof foundry goods of the present invention.
Fig. 2 is length direction schematic side view of the present invention.
Fig. 3 is crashproof foundry goods and the elastic damping cylinder schematic diagram relative to anti-collision baffle plate position.
Fig. 4 is elastic damping cylinder schematic diagram.
Fig. 5 is the schematic diagram after the present invention assembles.
Detailed description of the invention
In order to better understand and implement technical scheme of the present invention, provide some embodiments of the present invention at this, these embodiments, in order to better explain technical solutions according to the invention, are not formed any form restriction of the present invention.In the present invention, after to truck tail direction, front finger automobile cephalad direction.
The anti-shock safety device that knocks into the back of lorry, be arranged on below truck tail, described protective device at least comprises the crashproof foundry goods that two are directly or indirectly connected to tailstock bottom, described crashproof foundry goods is arranged along automobile fore-and-aft direction, described crashproof casting structure is: crashproof foundry goods front end is cylinder, the diameter of cylinder is 8-12mm, the cylinder increased successively for diameter below of described cylinder, each drum length is 40-60mm, each wall thickness of cylinder is 8-12mm, length overlapped between cylinder is 10-20mm, described cylinder quantity is at least two, the central axes of all cylinders and cylinder is cast as one, further, described crashproof foundry goods cylinder quantity is from front to back four, further, described each drum length is 50mm, length overlapped between cylinder is 15mm, further, described each bottom of cylinder is provided with groove, described depth of groove is 3-6mm, recess width is 2-6mm, described cylinder outer wall and cylinder are provided with crashproof destruction bolt, described crashproof destruction bolt is the arc plush copper being fixedly installed on cylinder outer wall, plush copper maximum height is not less than 5mm, arc plush copper is positioned at the near middle of drum length, further, casting rubber bodies in described each cylinder hollow volume space, further, described crashproof foundry goods rear end is connected on anti-collision baffle plate, front end is directly or indirectly connected on car body, described anti-collision baffle plate is provided with six crashproof foundry goods, the width between centers of two adjacent crashproof foundry goods horizontal directions is 400-500mm, the width between centers of two adjacent crashproof foundry goods vertical directions is 100-200mm, described crashproof foundry goods rear end is connected on anti-collision baffle plate, front end is directly or indirectly connected on car body, described anti-collision baffle plate is provided with six crashproof foundry goods, the width between centers of two adjacent crashproof foundry goods horizontal directions is 400-500mm, the width between centers of two adjacent crashproof foundry goods vertical directions is 100-200mm, parallelly with crashproof foundry goods be provided with the elastic damping cylinder being connected to bottom of car along automobile fore-and-aft direction, elastic damping cylinder and crashproof foundry goods interval are arranged, align with crashproof foundry goods front end in the front end of elastic damping cylinder, elastic damping cylinder be shorter in length than crashproof foundry goods, described elastic damping cylinder comprises cylinder body and hollow piston, described cylinder body inner bottom part is provided with spring perch, spring is arranged in spring perch, spring top withstands in hollow piston, cylinder body oral area is provided with static sealing ring, hollow piston is provided with dynamic seal ring, near cylinder base, side of cylinder block is provided with deflation hole, the quantity of described elastic damping cylinder is set to 4-6.The present invention can at apron both sides setting steering indicating light, apron sets notice board, of the present inventionly helicitic texture can be set in the front end of crashproof foundry goods cylinder, connect under car and corresponding adapter plate screw is set, hole is directly offered in rear end on apron, crashproof foundry goods is installed the location realized crashproof foundry goods, elastic damping cylinder can adopt attaching parts to be connected directly between lower vehicle.
Embodiment specifically as shown in drawings, is respectively labeled as in accompanying drawing: 1-1: cylinder, 1-2: cylinder a, 1-3: cylinder b, 1-4: cylinder c, 1-5: cylinder e, 2-1: crashproof destruction bolt e, 2-2: crashproof destruction bolt a, 2-3: crashproof destruction bolt b, 2-4: crashproof destruction bolt c, 2-5: crashproof destruction bolt d, 3: rubber bodies, 4-2: groove a, 4-3: groove b, 4-4: groove c, 4-5: grooves d, 5: apron, 6: crashproof foundry goods, 6-1: crashproof foundry goods mounting blocks, 7: elastic damping cylinder, 7-1: elastic damping cylinder mounting blocks, 8: hollow piston, 9: static sealing ring, 10: dynamic seal ring, 11: spring, 12: deflation hole, 13: cylinder body, 14: spring perch, the anti-shock safety device that knocks into the back of lorry, be arranged on below truck tail, described protective device at least comprises the crashproof foundry goods that two are directly or indirectly connected to tailstock bottom, described crashproof foundry goods is arranged along automobile fore-and-aft direction, described crashproof casting structure is: crashproof foundry goods front end is cylinder, 1-1 is depicted as the cylinder of crashproof foundry goods, the diameter of cylinder is 8-12mm, the cylinder increased successively for diameter below of described cylinder, each drum length is 40-60mm, each wall thickness of cylinder is 8-12mm, length overlapped between cylinder is 10-20mm, described cylinder quantity is at least two, the central axes of all cylinders and cylinder is cast as one, further, described crashproof foundry goods cylinder quantity is from front to back four, the crashproof foundry goods of totally four cylinder formation before and after having illustrated in crashproof foundry goods in FIG, respectively: cylinder a1-2, cylinder b1-3, cylinder c1-4, cylinder d1-5, further, described each drum length is 50mm, length overlapped between cylinder is 15mm, further, described each bottom of cylinder is provided with groove, described depth of groove is 3-6mm, the degree of depth of groove refers to the length direction along crashproof foundry goods, recess width is 2-6mm, the width value of groove is along the radial direction of cylinder, described cylinder outer wall and cylinder are provided with crashproof destruction bolt, described crashproof destruction bolt is the arc plush copper being fixedly installed on cylinder outer wall, plush copper maximum height is not less than 5mm, arc plush copper is positioned at the near middle of drum length, the crashproof destruction bolt of each cylinder 1-1 shown in Fig. 1 and each cylinder outer surface, be respectively: crashproof destruction bolt e2-1, crashproof destruction bolt 2-2a, crashproof destruction bolt b2-3, crashproof destruction bolt c2-4, crashproof destruction bolt d2-5, each groove has been shown in Fig. 1, be respectively groove a4-2, groove b4-3, groove c4-4, grooves d 4-5, in order to when better realizing colliding, crashproof foundry goods can absorb energy, the cross section of groove can be trapezoidal, narrow gradually to cylinder inside, further, be cast with rubber bodies in described each cylinder hollow volume space, 3 are depicted as the rubber bodies casting in space in cylinder, further, described crashproof foundry goods rear end is connected on anti-collision baffle plate 5, front end is directly or indirectly connected on car body, described anti-collision baffle plate 5 is provided with six crashproof foundry goods, the width between centers of two adjacent crashproof foundry goods horizontal directions is 400-500mm, the width between centers of two adjacent crashproof foundry goods horizontal directions is 100-200mm, further, further, described crashproof foundry goods rear end is connected on anti-collision baffle plate 5, front end is directly or indirectly connected on car body, described anti-collision baffle plate 5 is provided with six crashproof foundry goods, the width between centers of two adjacent crashproof foundry goods horizontal directions is 400-500mm, the width between centers of two adjacent crashproof foundry goods horizontal directions is 100-200mm, parallelly with crashproof foundry goods be provided with the elastic damping cylinder 7 being connected to bottom of car along automobile fore-and-aft direction, elastic damping cylinder 7 and crashproof foundry goods interval are arranged, align with crashproof foundry goods front end in the front end of elastic damping cylinder 7, elastic damping cylinder 7 be shorter in length than crashproof foundry goods, the magnitude setting of elastic damping cylinder is 4-6, elastic damping cylinder be shorter in length than crashproof foundry goods, described elastic damping cylinder comprises cylinder body 13 and hollow piston 8, described cylinder body 13 inner bottom part is provided with spring perch 14, spring 11 is arranged in spring perch 14, spring 11 top withstands in hollow piston 8, cylinder body 13 oral area is provided with static sealing ring, 9 are depicted as one of them static sealing ring, hollow piston 8 is provided with dynamic seal ring, 10 are depicted as dynamic seal ring, near bottom cylinder body 13, side of cylinder block is provided with deflation hole 12, the quantity of described elastic damping cylinder is set to 4-6.
In figure, 6 are depicted as crashproof foundry goods, apron is provided with six crashproof foundry goods 6, 7 are depicted as elastic damping cylinder, elastic damping cylinder 7 is arranged on the centre of two crashproof foundry goods, elastic damping cylinder illustrate only its position relative to apron in detail in this figure, in fact align with protection foundry goods in the front end of elastic damping cylinder, so apron place can not be arrived in the rear end of elastic damping cylinder, be in the position that automobile tail is certain forward, this design ensures first to bump against crashproof foundry goods after mode is clashed into, if impulsive force is excessive, contact bumps against elastic damping cylinder again, better can assimilate Impact energy, ensure that being unlikely to enter truck tail after C-class knocks into the back causes personal casualty and property damage excessively deeply.Fig. 5 is scheme of installation of the present invention, in the drawings, the front end of one of them crashproof foundry goods 6 is fixedly connected with crashproof foundry goods mounting blocks 6-1, crashproof foundry goods mounting blocks 6-1 is connected to bottom of car, the front end of elastic damping cylinder 7 is fixedly connected with elastic damping cylinder mounting blocks 7-1, elastic damping cylinder mounting blocks 7-1 is connected to bottom of car, because elastic damping cylinder length is less than crashproof foundry goods, the rear end of elastic damping cylinder does not reach anti-collision baffle plate 5, corresponding attaching parts can be arranged at bottom of car each elastic damping cylinder rear end is located, each crashproof foundry goods and elastic damping cylinder can be adopted and be connected to bottom of car in a like fashion.The installation of the crashproof foundry goods of the present invention is fixed and also can be arranged at lower vehicle the support be connected under vehicle, the cylinder of crashproof foundry goods front end arranges screw thread, support arranges the adapter plate screw supporting with cylinder screw thread realize installing, rear end reliable protection baffle plate location, the rear end of elastic damping cylinder can arrange one piece of special frame plate and be connected to bottom lorry to realize the location of elastic damping cylinder.The present invention can at apron 5 both sides setting steering indicating light, and on apron 5, setting safety is rolled and pointed out advertising panel.The material of the crashproof foundry goods of the present invention can adopt grey pi iron integrally casting to form, and the grey pi iron of No. 18 to No. 22 is particularly useful for crashproof foundry goods of the present invention.
After describing various specific embodiment of the present invention above in detail, those of ordinary skill in the art should be well understood to, according to the various common practise of this area, can carry out various equivalent variations, equivalent replacement according to thinking of the present invention or simply revise, these all should belong to the scope of technical solution of the present invention.
Claims (7)
1. the anti-shock safety device that knocks into the back of lorry, be arranged on below truck tail, it is characterized in that: described protective device at least comprises the crashproof foundry goods that two are directly or indirectly connected to tailstock bottom, described crashproof foundry goods is arranged along automobile fore-and-aft direction, described crashproof casting structure is: crashproof foundry goods front end is cylinder, the diameter of cylinder is 8-12mm, the cylinder increased successively for diameter below of described cylinder, each drum length is 40-60mm, each wall thickness of cylinder is 8-12mm, length overlapped between cylinder is 10-20mm, described cylinder quantity is at least two, the central axes of all cylinders and cylinder is cast as one.
2. the anti-shock safety device that knocks into the back of lorry according to claim 1, is characterized in that: described crashproof foundry goods cylinder quantity is from front to back four.
3. the anti-shock safety device that knocks into the back of lorry according to claim 1, it is characterized in that: described each drum length is 50mm, length overlapped between cylinder is 15mm.
4. the anti-shock safety device that knocks into the back of lorry according to claim 1, it is characterized in that: described each bottom of cylinder is provided with groove, described depth of groove is 3-6mm, recess width is 2-6mm, described cylinder outer wall and cylinder are provided with crashproof destruction bolt, described crashproof destruction bolt is the arc plush copper being fixedly installed on cylinder outer wall, and plush copper maximum height is not less than 5mm, and arc plush copper is positioned at the near middle of drum length.
5. the anti-shock safety device that knocks into the back of lorry according to claim 1, is characterized in that: be cast with rubber bodies in described each cylinder hollow volume space.
6. the anti-shock safety device that knocks into the back of the lorry according to the arbitrary claim of claim 1 to 5, it is characterized in that: described crashproof foundry goods rear end is connected on anti-collision baffle plate, front end is directly or indirectly connected on car body, described anti-collision baffle plate is provided with six crashproof foundry goods, the width between centers of two adjacent crashproof foundry goods horizontal directions is 400-500mm, and the width between centers of two adjacent crashproof foundry goods vertical directions is 100-200mm.
7. the anti-shock safety device that knocks into the back of the lorry according to the arbitrary claim of claim 1 to 5, it is characterized in that: described crashproof foundry goods rear end is connected on anti-collision baffle plate, front end is directly or indirectly connected on car body, described anti-collision baffle plate is provided with six crashproof foundry goods, the width between centers of two adjacent crashproof foundry goods horizontal directions is 400-500mm, the width between centers of two adjacent crashproof foundry goods vertical directions is 100-200mm, parallelly with crashproof foundry goods be provided with the elastic damping cylinder being connected to bottom of car along automobile fore-and-aft direction, elastic damping cylinder and crashproof foundry goods interval are arranged, align with crashproof foundry goods front end in the front end of elastic damping cylinder, elastic damping cylinder be shorter in length than crashproof foundry goods, described elastic damping cylinder comprises cylinder body and hollow piston, described cylinder body inner bottom part is provided with spring perch, spring is arranged in spring perch, spring top withstands in hollow piston, cylinder body oral area is provided with static sealing ring, hollow piston is provided with dynamic seal ring, near cylinder base, side of cylinder block is provided with deflation hole, the quantity of described elastic damping cylinder is set to 4-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410128758.3A CN104709211B (en) | 2014-04-02 | 2014-04-02 | The anti-shock safety device that knocks into the back of lorry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410128758.3A CN104709211B (en) | 2014-04-02 | 2014-04-02 | The anti-shock safety device that knocks into the back of lorry |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104709211A true CN104709211A (en) | 2015-06-17 |
| CN104709211B CN104709211B (en) | 2016-08-10 |
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ID=53409103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410128758.3A Expired - Fee Related CN104709211B (en) | 2014-04-02 | 2014-04-02 | The anti-shock safety device that knocks into the back of lorry |
Country Status (1)
| Country | Link |
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| CN (1) | CN104709211B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3847426A (en) * | 1971-09-17 | 1974-11-12 | F Mcgettigan | Frangible buffer apparatus for vehicles |
| DE4316164A1 (en) * | 1993-05-14 | 1994-11-17 | Benteler Werke Ag | Shock absorber arrangement for a motor vehicle |
| DE10002379A1 (en) * | 2000-01-20 | 2001-08-02 | Benteler Werke Ag | Bumper for motor vehicle has telescopically constructed shock absorber as deep drawn component and with two long sections, one changing into the other of smaller cross section via shoulder |
| DE10252175A1 (en) * | 2002-11-09 | 2004-05-27 | Sieghard Schneider | Plunger buffer for rolling stock has plunger consisting of long parts connected via break-off points for controlled deformation when subjected to excess impact force |
| CN1842448A (en) * | 2003-08-26 | 2006-10-04 | 沙普公司 | Tubular energy management system for absorbing impact energy |
| CN101400552A (en) * | 2006-03-06 | 2009-04-01 | 沃尔沃拉斯特瓦格纳公司 | Arrangement for underrun protection for a vehicle |
-
2014
- 2014-04-02 CN CN201410128758.3A patent/CN104709211B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3847426A (en) * | 1971-09-17 | 1974-11-12 | F Mcgettigan | Frangible buffer apparatus for vehicles |
| DE4316164A1 (en) * | 1993-05-14 | 1994-11-17 | Benteler Werke Ag | Shock absorber arrangement for a motor vehicle |
| DE10002379A1 (en) * | 2000-01-20 | 2001-08-02 | Benteler Werke Ag | Bumper for motor vehicle has telescopically constructed shock absorber as deep drawn component and with two long sections, one changing into the other of smaller cross section via shoulder |
| DE10252175A1 (en) * | 2002-11-09 | 2004-05-27 | Sieghard Schneider | Plunger buffer for rolling stock has plunger consisting of long parts connected via break-off points for controlled deformation when subjected to excess impact force |
| CN1842448A (en) * | 2003-08-26 | 2006-10-04 | 沙普公司 | Tubular energy management system for absorbing impact energy |
| CN101400552A (en) * | 2006-03-06 | 2009-04-01 | 沃尔沃拉斯特瓦格纳公司 | Arrangement for underrun protection for a vehicle |
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| Publication number | Publication date |
|---|---|
| CN104709211B (en) | 2016-08-10 |
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Granted publication date: 20160810 Termination date: 20210402 |