CN107150647A - Compressible automobile collision preventing girder construction - Google Patents
Compressible automobile collision preventing girder construction Download PDFInfo
- Publication number
- CN107150647A CN107150647A CN201710263042.8A CN201710263042A CN107150647A CN 107150647 A CN107150647 A CN 107150647A CN 201710263042 A CN201710263042 A CN 201710263042A CN 107150647 A CN107150647 A CN 107150647A
- Authority
- CN
- China
- Prior art keywords
- piston
- sleeve
- pressure release
- girder construction
- blanking cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 22
- 238000010521 absorption reaction Methods 0.000 claims abstract description 22
- 239000012530 fluid Substances 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 15
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000002265 prevention Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- 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
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
-
- 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
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/26—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
- B60R19/32—Fluid shock absorbers, e.g. with coaxial coil springs
-
- 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
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/26—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
- B60R19/34—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means destroyed upon impact, e.g. one-shot type
-
- 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
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/26—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
- B60R19/36—Combinations of yieldable mounting means of different types
-
- 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
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
- B60R2019/1806—Structural beams therefor, e.g. shock-absorbing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The present invention relates to automobile.A kind of Compressible automobile collision preventing girder construction, anti-collision beam and energy-absorption box including front longitudinal, in front of front longitudinal, the energy-absorption box include extend along the longitudinal direction sleeve, be slidingly sealed the piston being connected in sleeve, the piston and the sleeve surround main seal cavity, the main seal cavity is filled with fluid, the main seal cavity is provided with relief hole, and the relief hole can be connected with pressure release blanking cover with outwards extracting;Both the sleeve and piston, one links together with the anti-collision beam, another one links together with the front longitudinal.The purpose of the present invention be overcome the shortcomings of existing collision prevention girders body deform upon could energy-absorbing there is provided a kind of Compressible automobile collision preventing girder construction.
Description
Technical field
The present invention relates to automobile, more particularly to a kind of Compressible automobile collision preventing girder construction.
Background technology
Automobile buffer beam is the important component of formed automobile collision safety.It is used as the main energy absorbing component in collision, anticollision
Beam is located at the front portion or rear portion of white body, and it is connected with longeron, at the same the torsional rigidity of dialogue body assembly, bending stiffness,
NVH performances have a major impact.
Existing automobile buffer beam is mostly steel construction or aluminium alloy structure, and is rigid.During collision, only collision prevention girders
Body deforms upon ability energy-absorbing, is frequently necessary to change collision prevention girders after collision occurs.
The content of the invention
The purpose of the present invention be overcome the shortcomings of existing collision prevention girders body deform upon could energy-absorbing there is provided a kind of compressible
Formula automobile collision preventing girder construction.
Above technical problem is solved by the following technical programs:A kind of Compressible automobile collision preventing girder construction, including
Front longitudinal, anti-collision beam and energy-absorption box in front of front longitudinal, the energy-absorption box include sleeve, the cunning extended along the longitudinal direction
Dynamic sealing is connected to the piston in sleeve, and the piston and the sleeve surround main seal cavity, and the main seal cavity is filled with stream
Body, the main seal cavity is provided with relief hole, and the relief hole can be connected with pressure release blanking cover with outwards extracting;The sleeve and piston
The two, one links together with the anti-collision beam, another one links together with the front longitudinal.Lived when being collided
Plug moves towards sleeve inner and compresses the fluid in main seal cavity, plays a part of energy-absorbing.As piston is compressed into sleeve
Pressure rise, fluid washes pressure release blanking cover open, and fluid flows out from relief hole and realizes energy-absorbing;If two above process
Collision energy can be consumed, then the present invention can be restored and be recycled.If the above two is crossed process and can't consumed
Falling collision energy, then sleeve or piston etc. can be deformed and absorb energy, now then become present invention produces irreversible
Shape is damaged.By setting relief hole and the upper pressure release blanking cover of connection, it is possible to increase collision energy-absorbing effect, blocked up if being not provided with pressure release
Lid, then collision energy-absorbing effect can weaken more.
Preferably, the rear end of the sleeve is welded with energy-absorption box shrouding, energy-absorption box shrouding is by connecting bolt with before described
Longeron is linked together, and the front end of the piston is welded on anti-collision beam, and piston is provided with sealing ring, and the rear end of piston is worn
Linked together in the front end of the sleeve and by the sealing ring with the sleeve seal.
Preferably, the piston bush is provided with the closure covered in the barrel forward end, the closure, sealing ring, work
Plug and sleeve surround auxiliary annular seal space.When piston is collided and during internal pressure, the volume of auxiliary annular seal space can increase and cause under pressure
Drop, so that the extrapolability that piston is subject to is larger, plays a part of improving impact resistant effect.
Preferably, the bonding area of the piston is more than the 80% of the aperture area of the sleeve.
Preferably, the piston is hollow-core construction, when collision energy is larger, piston can preferentially be deformed and inhale
Can, play a part of preventing anti-collision beam from deforming to greatest extent.
Preferably, being welded as full weld between the front end of the piston and anti-collision beam.
Preferably, the outer surface of the pressure release blanking cover is provided with pressure limiting bulge loop and prevents from being inserted into sleeve in pressure release blanking cover
Interior anti-avulsion bulge loop, is provided with cylinder seal section between pressure limiting bulge loop and anti-avulsion bulge loop, the pressure release blanking cover is close by the cylinder
Envelope section be sealed connected together with the pressure limiting hole, the pressure limiting bulge loop towards seal section one end end face be the conical surface, the cone
The drift angle in face is less than 180 °.Good reliability during connection.The frictional force that can be produced by changing the size of drift angle to cause is different,
To change the power size for being rushed to open needs.
Preferably, the pressure release blanking cover includes the inner cylinder closed outer end and is set in the outer tube that inner cylinder is, it is described interior
The inner of cylinder and the inner of outer tube link together and form deformation groove, and it is outer that the pressure limiting bulge loop and anti-avulsion bulge loop are all set
The outer peripheral face of sleeve pipe.Reliability when convenience and guarantee when can improve assembling are connected.
Preferably, the piston is connected on the rear surface of the anti-collision beam.
Preferably, the rear surface of the anti-collision beam connects plane provided with piston, the piston connection plane is parallel
The yz faces of vehicle coordinate system.Convenience during assembling can be improved.Yz faces refer to the upright plane along the width extension of vehicle body.
Preferably, the pressure release blanking cover, which is outer end, closes the cylindrical shape to form bottom wall, the inner peripheral surface of the pressure release blanking cover
The blade rotated provided with the guiding pressure release blanking cover, the sleeve is also rotatably connected to be used for by described in what the bottom wall alignd
The annular blade that bottom wall is cut from the pressure release blanking cover.It can be moved when pressure release blanking cover produces ejection towards annular blade, ring
Shape blade, which cuts off the bottom wall of pressure release blanking cover, causes fluid to be abutted through outflow inside pressure release blanking cover and pressure release blanking cover with annular blade
Together, pressure release blanking cover and annular blade is caused to produce rotation together and play suction in the presence of blade during fluid outflow
Energy is the effect of consumed energy.
The present invention has advantages below:The energy collided by fluid as Absorption of Medium, increase participates in the key element of energy-absorbing;
The size for absorbing energy is flexible, gradual increase, the energy size that can be produced to different collisions, has different replies to arrange
Apply, add maintenanceability, while being also improved to the crash protection of pedestrian.
Brief description of the drawings
Fig. 1 is the schematic top plan view of the embodiment of the present invention one;
Fig. 2 is Fig. 1 A-A schematic cross-sectional views;
Fig. 3 is the section view enlarged diagram of the junction of pressure release blanking cover and sleeve;
Fig. 4 is the partial schematic diagram of the embodiment of the present invention two.
In figure:Front longitudinal 1, anti-collision beam 2, piston connection plane 21, energy-absorption box 3, sleeve 31, relief hole 311, link
312nd, plane bearing 313, piston 32, sealing ring 321, energy-absorption box shrouding 33, closure 34, connecting bolt 35, pressure release blanking cover 36,
The end face of inner cylinder 361, outer tube 362, bottom wall 363, deformation groove 364, pressure limiting bulge loop 365, pressure limiting bulge loop towards seal section one end
3651st, anti-avulsion bulge loop 366, cylinder seal section 367, blade 368, annular blade 37, adapter sleeve 371, main seal cavity S1, auxiliary sealing
The inclination angle R of chamber S2, pressure limiting bulge loop towards the end face of seal section one end.
Embodiment
The present invention is illustrated with embodiment below in conjunction with accompanying drawing.
Embodiment one, referring to Fig. 1, a kind of Compressible automobile collision preventing girder construction, including front longitudinal 1, anti-collision beam 2 and suction
Can box 3.
Front longitudinal 1 has two.Two front longitudinals 1 are distributed in left-right direction.
Anti-collision beam 2 extends in left-right direction.Anti-collision beam 2 is located at the front of front longitudinal 1.The left and right two of anti-collision beam 2
Piston connection plane 21 is designed with the rear surface at end.The yz faces of the parallel vehicle coordinate system of piston connection plane 21.Anti-collision beam 2
The advanced raised arc in centre.
Energy-absorption box 3 has two.Two energy-absorption boxes 3 are supported on the left and right ends of anti-collision beam 2 by anti-collision beam 2 with before two
Longeron 1 links together.Specially energy-absorption box 3 includes sleeve 31, piston 32, energy-absorption box shrouding 33 and closure 34.Sleeve 31
Extend along the longitudinal direction.Weld and link together with energy-absorption box shrouding 33 in the rear end of sleeve 31.Energy-absorption box shrouding 33 passes through even
Connecting bolt 35 is screwed in the screwed hole of front longitudinal 1 and is detachably connected with front longitudinal 1.The rear end of piston 32 is located in sleeve
In 31 front end.The rear end of piston 32 is welded on the company that same anti-collision beam 2 is realized in piston connection plane 21 in the way of full weld
Connect.Closure 34 is set on piston 32 and is located in the front end of sleeve 31.
Referring to Fig. 2, piston 32 is provided with sealing ring 321.Sealing ring 321 has twice.Piston 32 is slided by sealing ring 321
It is sealedly connected in sleeve 31.Piston 32, sleeve 31, sealing ring 321 and energy-absorption box shrouding 33 surround main seal cavity S1.Primary seal
Chamber S1 is air filled with fluid, fluid.Main seal cavity S1 is provided with relief hole 311.Relief hole 311 can be connected with outwards extracting
Pressure release blanking cover 36.Closure 34, sealing ring 321, piston 32 and sleeve 31 surround auxiliary annular seal space S2.Piston 32 is hollow-core construction.
The bonding area of piston(I.e. axial projected area)For more than the 80% of the aperture area of sleeve.
Referring to Fig. 3, pressure release blanking cover 36 includes inner cylinder 361 and outer tube 362.Inner cylinder 361 is that only outer end is entered provided with bottom wall 363
Row closing.Outer tube 362 is set in outside inner cylinder 361.Inner cylinder 361 the inner and outer tube 362 the inner link together and
Form deformation groove 364.The outer peripheral face of outer tube 362 is provided with pressure limiting bulge loop 365 and anti-avulsion bulge loop 366.Anti-avulsion bulge loop 366 is used to prevent
Stopping leak pressure blanking cover 36 is pressed into sleeve 31 through relief hole 311.It is close provided with cylinder between pressure limiting bulge loop 365 and anti-avulsion bulge loop 366
Seal section 367.Pressure release blanking cover 36 is sealed connected together by cylinder seal section 367 with relief hole 311.The direction sealing of pressure limiting bulge loop
Duan Yiduan end face 3651 is the conical surface, and the drift angle of the conical surface is less than 180 ° namely pressure limiting bulge loop and inclined towards the end face of seal section one end
Angle R is less than 90 °.
Referring to Fig. 1 to Fig. 3, if subjected to collision energy ambassador energy-absorption box 3 deform, then endergonic process of the invention
For:First stage, piston is mobile first into sleeve to cause pressure release blanking cover 36 to be rushed to open, and fluid sprays from relief hole, produces dynamic
Can, air overcomes atmospheric pressure to do work.
The kinetic energy IA1+ air acting IA2 for collision energy IA=fluid that the stage absorbs.
Second stage, energy-absorption box 3 starts crumple deformation.The energy that the collision energy IB that the stage absorbs=piston deformation absorbs
Measure the energy IB2 that IB1+ colleting deformations absorb.
Gross energy I=IA+IB that the present invention absorbs.
Assuming that the maximum kinetic energy of the fluid in main seal cavity is IA1max, air maximum amount of work is IA2max.So exist
Collision energy I<During IA1max+IA2max, piston and sleeve are indeformable, and the present invention is without damage, it is only necessary to supplement energy-absorbing fluid i.e.
Can, add maintenanceability.
Embodiment two, the difference of be the same as Example one is:
Referring to Fig. 4, the inner peripheral surface of inner cylinder 361 is provided with the leaf for guiding pressure release blanking cover 36 to rotate when fluid in inner cylinder 361 through flowing through
Piece 368.Sleeve 31 is provided with link 312.Link 312 is rotatably connected to annular blade 37 by plane bearing 313.Endless knife
Piece 37 aligns with bottom wall 363.The overall diameter of annular blade 37 is equal to the interior diameter of inner cylinder 261.Annular blade 37 is provided with same deformation
The adapter sleeve 371 of groove 364.
Using process from, if pressure release blanking cover 36 sprays, annular blade 37 with bottom wall 363 contact before, adapter sleeve 371
Be initially inserted into deformation groove 364 and positioned and then bottom wall 363 is drawn close towards annular blade 37 and cut, fluid section from
Inner cylinder 361 flows out and causes pressure release blanking cover 36 to produce rotation(If the clamping power between adapter sleeve 371 and deformation groove 364 is big
Annular blade 37 can also be rotated together), play a part of the collision energy that increases consumption.
Claims (10)
1. a kind of Compressible automobile collision preventing girder construction, including front longitudinal and the anti-collision beam in front of front longitudinal, its feature
It is, in addition to energy-absorption box, sleeve that the energy-absorption box includes extending along the longitudinal direction, is slidingly sealed the work being connected in sleeve
Plug, the piston and the sleeve surround main seal cavity, and the main seal cavity is filled with fluid, and the main seal cavity is provided with pressure release
Hole, the relief hole can be connected with pressure release blanking cover with outwards extracting;Both the sleeve and piston, one is with the anti-collision beam
Link together, another one links together with the front longitudinal.
2. Compressible automobile collision preventing girder construction according to claim 1, it is characterised in that the rear end of the sleeve is welded with
Energy-absorption box shrouding, energy-absorption box shrouding is linked together by connecting bolt with the front longitudinal, and the front end of the piston is welded on
On anti-collision beam, piston is provided with sealing ring, and the rear end of piston is located in the front end of the sleeve and by the sealing ring
Linked together with the sleeve seal.
3. Compressible automobile collision preventing girder construction according to claim 2, it is characterised in that the piston bush is provided with and covered
The closure of the barrel forward end, the closure, sealing ring, piston and sleeve surround auxiliary annular seal space.
4. Compressible automobile collision preventing girder construction according to claim 3, it is characterised in that the bonding area of the piston
For more than the 80% of the aperture area of the sleeve.
5. the Compressible automobile collision preventing girder construction according to claim 1 or 2 or 3 or 4, it is characterised in that the piston
For hollow-core construction.
6. the Compressible automobile collision preventing girder construction according to claim 1 or 2 or 3 or 4, it is characterised in that the pressure release
The anti-avulsion bulge loop that the outer surface of blanking cover is inserted into sleeve provided with pressure limiting bulge loop and preventing in pressure release blanking cover, pressure limiting bulge loop and only
Cylinder seal section is provided between de- bulge loop, the pressure release blanking cover is sealedly connected on by the cylinder seal section with the pressure limiting hole
Together, the pressure limiting bulge loop is the conical surface towards the end face of seal section one end, and the drift angle of the conical surface is less than 180 °.
7. Compressible automobile collision preventing girder construction according to claim 6, it is characterised in that the pressure release blanking cover includes outer
Inner cylinder and be set in the outer tube that inner cylinder is that end seal is closed, the inner of the inner cylinder and the inner of outer tube link together and shape
Into deformation groove, the outer peripheral face for the outer tube that the pressure limiting bulge loop and anti-avulsion bulge loop are all set.
8. the Compressible automobile collision preventing girder construction according to claim 1 or 2 or 3 or 4, it is characterised in that the piston
It is connected on the rear surface of the anti-collision beam.
9. Compressible automobile collision preventing girder construction according to claim 8, it is characterised in that the rear table of the anti-collision beam
Face connects plane provided with piston, and the piston connects the yz faces of the parallel vehicle coordinate system of plane.
10. the Compressible automobile collision preventing girder construction according to claim 1 or 2 or 3 or 4, it is characterised in that the pressure release
Blanking cover is that the cylindrical shape to form bottom wall is closed in outer end, and the inner peripheral surface of the pressure release blanking cover is provided with the guiding pressure release blanking cover rotation
Blade, the sleeve is also rotatably connected to is used for cut the bottom wall from the pressure release blanking cover with what the bottom wall alignd
Annular blade.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710263042.8A CN107150647A (en) | 2017-04-20 | 2017-04-20 | Compressible automobile collision preventing girder construction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710263042.8A CN107150647A (en) | 2017-04-20 | 2017-04-20 | Compressible automobile collision preventing girder construction |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107150647A true CN107150647A (en) | 2017-09-12 |
Family
ID=59794184
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710263042.8A Pending CN107150647A (en) | 2017-04-20 | 2017-04-20 | Compressible automobile collision preventing girder construction |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107150647A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107972617A (en) * | 2017-12-14 | 2018-05-01 | 南京理工大学 | Performance adjustable automobile collision energy-absorbing device |
CN112413864A (en) * | 2020-11-25 | 2021-02-26 | 重庆瑞阳吉星科技有限公司 | Double-temperature-zone air conditioner controller |
CN112406471A (en) * | 2020-11-25 | 2021-02-26 | 重庆瑞阳吉星科技有限公司 | Electric air conditioner controller |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2490023Y (en) * | 2001-06-06 | 2002-05-08 | 徐州矿物集团有限公司机电设备分公司 | Hydraulic anti-collision safety beam |
CN201792821U (en) * | 2010-09-25 | 2011-04-13 | 上海大学 | Automobile anti-collision device with collision buffering function |
KR101691110B1 (en) * | 2015-07-09 | 2017-01-09 | 인천대학교 산학협력단 | Front bumper system with divided impact absorption structure |
CN106467076A (en) * | 2016-09-09 | 2017-03-01 | 北京汽车股份有限公司 | Vehicle |
CN206826588U (en) * | 2017-04-20 | 2018-01-02 | 浙江零跑科技有限公司 | A kind of Compressible automobile collision preventing girder construction |
-
2017
- 2017-04-20 CN CN201710263042.8A patent/CN107150647A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2490023Y (en) * | 2001-06-06 | 2002-05-08 | 徐州矿物集团有限公司机电设备分公司 | Hydraulic anti-collision safety beam |
CN201792821U (en) * | 2010-09-25 | 2011-04-13 | 上海大学 | Automobile anti-collision device with collision buffering function |
KR101691110B1 (en) * | 2015-07-09 | 2017-01-09 | 인천대학교 산학협력단 | Front bumper system with divided impact absorption structure |
CN106467076A (en) * | 2016-09-09 | 2017-03-01 | 北京汽车股份有限公司 | Vehicle |
CN206826588U (en) * | 2017-04-20 | 2018-01-02 | 浙江零跑科技有限公司 | A kind of Compressible automobile collision preventing girder construction |
Non-Patent Citations (2)
Title |
---|
朱大滨等: "《压力容器安全基础》", 28 February 2014 * |
黄晋华等: "《新入厂工人应知应会1000问》", 31 October 2004 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107972617A (en) * | 2017-12-14 | 2018-05-01 | 南京理工大学 | Performance adjustable automobile collision energy-absorbing device |
CN107972617B (en) * | 2017-12-14 | 2023-08-22 | 南京理工大学 | Performance-adjustable automobile collision energy absorbing device |
CN112413864A (en) * | 2020-11-25 | 2021-02-26 | 重庆瑞阳吉星科技有限公司 | Double-temperature-zone air conditioner controller |
CN112406471A (en) * | 2020-11-25 | 2021-02-26 | 重庆瑞阳吉星科技有限公司 | Electric air conditioner controller |
CN112406471B (en) * | 2020-11-25 | 2022-02-15 | 重庆瑞阳吉星科技有限公司 | Electric air conditioner controller |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107150647A (en) | Compressible automobile collision preventing girder construction | |
US12012130B2 (en) | Reusable collision energy absorption device for rail vehicle | |
WO2017148145A1 (en) | Collision energy absorption apparatus for rail vehicles | |
JP6398853B2 (en) | Shock absorbing member | |
CN106347265B (en) | A kind of extension energy-storage type automobile front beam | |
CN109591739A (en) | Anticollision beam before a kind of automobile | |
JP5222965B2 (en) | Shock absorber for railway vehicles | |
CN206826588U (en) | A kind of Compressible automobile collision preventing girder construction | |
CN104842906B (en) | Energy-absorbing buffer device, anti-collision structure and vehicle | |
CN109367561B (en) | Cutting type energy-absorbing anti-creeper for railway vehicle | |
CN207773073U (en) | Performance adjustable automobile collision energy-absorbing device | |
CN201703435U (en) | Front longitudinal beam of automobile engine compartment | |
CN205273374U (en) | Energy -absorbing device of vehicle anticollision gear of energy -absorbing subassembly and applied this subassembly | |
CN204161278U (en) | A kind of front anti-collision beam structure of vehicle | |
JP6492842B2 (en) | Shock absorber for vehicle | |
CN105398412B (en) | A kind of hydraulic cushion bumper | |
CN107972614A (en) | Include and suppress the secondary energy-absorbing model vehicle front collision energy-absorbing device of rod-type and its method | |
CN208897017U (en) | Improve the energy-absorption box of the small offset collision stress of vehicle | |
CN209467190U (en) | Upper tubing string with pressure forming stoping block and include its column assy | |
CN107972613B (en) | A high-efficiency energy-absorbing device with graded collapse | |
CN206644769U (en) | A kind of vehicle front anticollision gear | |
CN204222791U (en) | A kind of automobile front beam | |
CN211809472U (en) | Automobile bumper support | |
CN210852644U (en) | Novel composite material lightweight anti-collision crossbeam | |
CN104828143B (en) | collision energy-absorbing longitudinal beam and frame |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170912 |