CN113619515B - Automobile bridge capable of absorbing side collision energy through automobile body shock absorber during side collision - Google Patents
Automobile bridge capable of absorbing side collision energy through automobile body shock absorber during side collision Download PDFInfo
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- CN113619515B CN113619515B CN202111090338.7A CN202111090338A CN113619515B CN 113619515 B CN113619515 B CN 113619515B CN 202111090338 A CN202111090338 A CN 202111090338A CN 113619515 B CN113619515 B CN 113619515B
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- energy device
- side collision
- axle
- front axle
- eliminating energy
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- 239000006096 absorbing agent Substances 0.000 title claims abstract description 66
- 230000035939 shock Effects 0.000 title claims abstract description 26
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 40
- 208000032765 Device extrusion Diseases 0.000 claims description 36
- 230000007246 mechanism Effects 0.000 claims description 36
- 238000001125 extrusion Methods 0.000 claims description 25
- 238000009434 installation Methods 0.000 claims description 22
- 239000012530 fluid Substances 0.000 claims description 20
- 238000001816 cooling Methods 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000007664 blowing Methods 0.000 claims description 15
- 239000003638 chemical reducing agent Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims 2
- 238000010521 absorption reaction Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 230000009467 reduction Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 238000013016 damping Methods 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/42—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects extending primarily along the sides of, or completely encircling, a vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/14—Torque-transmitting axles composite or split, e.g. half- axles; Couplings between axle parts or sections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/16—Axle housings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/16—Axle housings
- B60B35/163—Axle housings characterised by specific shape of the housing, e.g. adaptations to give space for other vehicle elements like chassis or exhaust system
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
- B60G13/02—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally
- B60G13/04—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally mechanically, e.g. having frictionally-engaging springs as damping elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/06—Characteristics of dampers, e.g. mechanical dampers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T5/00—Vehicle modifications to facilitate cooling of brakes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/18—Steering knuckles; King pins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/20—Type of damper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2500/00—Indexing codes relating to the regulated action or device
- B60G2500/10—Damping action or damper
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Vibration Dampers (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The application relates to an automobile bridge for absorbing side collision energy of an automobile body shock absorber, which comprises an axle housing, a front axle, a frame and 2 longitudinal bumpers distributed on two sides of the frame, wherein the axle housing is provided with a half axle in a penetrating way; the frame comprises a front cross beam and a rear cross beam, wherein two ends of the front cross beam are respectively supported at two ends of a front shaft through a shock absorber, two ends of the rear cross beam are respectively supported at two ends of an axle housing through a shock absorber, the front ends of the longitudinal bumpers are connected with the front cross beam through front shaft part side collision eliminating energy devices, and the rear ends of the longitudinal bumpers are connected with the rear cross beam through axle housing part side collision eliminating energy devices. The application has the advantages that the side collision energy can be absorbed without the frame collapsing deformation when the side collision is generated, and the shock absorber supporting the frame participates in energy absorption, thereby solving the problem of poor safety caused by the vehicle body collapsing energy absorption when the side collision of the existing vehicle is required.
Description
The application relates to a split application of application number 2020107675041, application date 2020, 08 and 03, and a name of an automobile bridge for absorbing side impact energy of an automobile body damper.
Technical Field
The application relates to an automobile bridge, in particular to an automobile bridge for absorbing side collision energy of a vehicle body shock absorber.
Background
The bridge frame of the automobile consists of a frame, a rear axle (driving axle) for supporting the frame and a front axle (also called as a front axle, a steering axle) of the automobile, wherein both ends of the driving axle and the front axle are connected with wheels, and the frame is connected with the frame through a suspension mechanism.
The front axle is used for installing front wheels and supporting the front weight of the automobile, and is connected with the automobile frame by a front suspension bracket. An automobile front axle with an existing structure is disclosed in patent document of China patent application number 2011201792654, 12 months and 28 days of the grant notice 2011 and named as an automobile front axle assembly. The automobile front axle comprises a cross rod and two cantilevers, two ends of the cross rod are respectively provided with a frame supporting part, two ends of the cross rod are respectively connected with one cantilever, and the cantilevers are provided with main pin holes. When the steering knuckle is used, the steering knuckle is penetrated in the main pin hole through the main pin and connected with the front axle, and the front wheel is arranged on the steering knuckle.
The driving axle consists of main speed reducer, differential mechanism, half axle and axle housing. The main speed reducer, the differential mechanism and the drive axle assembly are arranged in the drive axle housing and positioned at the rear part of the automobile, and power is transmitted to the rear wheels. An existing axle housing is disclosed in the patent document of chinese patent publication CN 205853768U. The basic structure of current axle housing includes the axle housing body, and the axle housing body is equipped with reduction gear installation section and is located two semi-axis installation sections of reduction gear installation section both sides, and the free end of semi-axis installation section is equipped with the wheel connector, and reduction gear installation section is equipped with the reduction gear installation chamber, and the semi-axis installation section is equipped with the semi-axis installation passageway that extends and communicates the reduction gear installation chamber along the extending direction of semi-axis installation section from the terminal surface of wheel connector. When in use, the speed reducer is arranged in the speed reducer installation cavity, and the two half shafts pass through the half shaft installation channel and then are connected with the wheels to drive the wheels (rear wheels).
The existing automobile bridge has the following defects: the side collision prevention capability is poor, the energy absorption is realized through the deformation and the collapse of the frame when the side collision occurs, and the deformation and the collapse of the frame are easy to hurt the passengers.
Disclosure of Invention
The application provides an automobile bridge frame capable of absorbing side impact energy without collapsing and deforming a frame when side impact occurs, which solves the problem of poor safety caused by the fact that the existing automobile side impact needs collapsing and energy absorption of an automobile body.
The technical problems are solved by the following technical scheme: the automobile bridge for absorbing side collision energy of the automobile body shock absorber comprises an axle housing, a front axle, a shock absorber and a frame, wherein a speed reducer installation cavity is arranged in the middle of the axle housing, two half axle installation channels which are correspondingly communicated with two end faces of the axle housing one by one are arranged in the speed reducer installation cavity, half axles are penetrated in the half axle installation channels, and the outer ends of the half axles are connected with rear wheels; the two ends of the front shaft are connected with steering knuckles, the steering knuckles are connected with wheel connecting sleeves through bearings, and the wheel connecting sleeves are connected with front wheels; the vehicle frame is characterized by further comprising 2 longitudinal bumpers distributed on two sides of the vehicle frame, the vehicle frame comprises a front cross beam and a rear cross beam, two ends of the front cross beam are respectively supported on two ends of the front shaft through one shock absorber, two ends of the rear cross beam are respectively supported on two ends of the axle housing through one shock absorber, the front ends of the longitudinal bumpers are connected with the front cross beam through front shaft part side collision eliminating energy devices, and the rear ends of the longitudinal bumpers are connected with the rear cross beam through axle housing part side collision eliminating energy devices; the front axle side collision eliminating energy device comprises a front axle side collision eliminating energy device transverse chute arranged in the middle of the front cross beam, a front axle side collision eliminating energy device energy absorbing tension spring arranged in the annular chute and extending along the transverse direction, a front axle side collision eliminating energy device extrusion block slidingly connected in the front axle side collision eliminating energy device transverse chute, a front axle side collision eliminating energy device connecting rod with the upper end hinged on the front axle side collision eliminating energy device extrusion block through a front axle side collision eliminating energy device upper longitudinal shaft head, and a front axle side collision eliminating energy device connecting block hinged on the lower end of the front axle side collision eliminating energy device connecting rod through a front axle side collision eliminating energy device lower longitudinal shaft head, wherein the front axle side collision eliminating energy device connecting block is connected with the front axle in a same way, the lower end of the front axle side collision eliminating energy device connecting rod is inclined towards the middle of the front cross beam in a state that the middle upper end of the front axle is far away from the front axle, the front axle side collision eliminating energy device extrusion block is connected with the front axle side extrusion energy absorbing tension spring in a same way, and the front axle side collision eliminating energy device extrusion block is connected with the front axle side collision eliminating energy device extrusion absorbing block in a same way when the front axle side collision eliminating energy device extrusion absorbing device is connected with the front axle side extrusion absorbing device extrusion block; the energy absorber comprises an axle housing part side-eliminating collision energy absorber transverse chute arranged in the middle of a rear cross beam, an axle housing part side-eliminating collision energy absorber energy absorption tension spring arranged in the annular chute and extending transversely, an axle housing part side-eliminating collision energy absorber extrusion block in the axle housing part side-eliminating collision energy absorber transverse chute in a sliding mode, an axle housing part side-eliminating collision energy absorber extrusion block hinged to the axle housing part side-eliminating collision energy absorber extrusion block through an upper longitudinal shaft head, and an axle housing part side-eliminating collision energy absorber connecting rod hinged to the lower end of the axle housing part side-eliminating collision energy absorber connecting rod through an axle housing part side-eliminating collision energy absorber lower longitudinal shaft head, wherein the axle housing part side-eliminating collision energy absorber connecting block is connected with the axle housing, the axle housing part side-eliminating collision energy absorber connecting rod is inclined towards the middle of the front cross beam with the upper end of the middle of the axle housing part away from the lower end, and the axle housing part side-eliminating collision energy absorber extrusion tension spring is inclined towards the middle of the front cross beam, and the axle housing part side-eliminating collision energy absorber extrusion block is connected with the axle housing part side-eliminating collision energy absorber extrusion block through the axle housing part side-eliminating collision energy absorber extrusion tension spring, and the axle housing part side-eliminating collision energy absorber extrusion block is connected with the middle of the axle housing part side-eliminating collision energy absorber extrusion block, and the energy absorber side-eliminating collision energy absorber extrusion block is connected with the energy absorber side-eliminating collision energy absorber extrusion block, and the energy absorber extrusion block is connected with the energy absorber side-absorbing device extrusion device side absorber extrusion device extrusion block. When the front axle part is in side collision, the front axle part is in side collision with the energy absorber connecting block and the axle housing part is in side collision with the energy absorber connecting block, the front axle part is in side collision with the energy absorber energy absorbing tension spring and the empty housing part is in side collision with the energy absorber energy absorbing tension spring in a one-to-one correspondence mode, side collision energy is absorbed, meanwhile, the frame moves downwards under the limiting action of the front axle part side collision energy absorber connecting rod and the front axle part side collision energy absorber connecting rod, and the frame moves downwards as a result of energy absorption and shock absorption are generated by shrinkage of the shock absorber (the shock absorber of the support frame on the automobile is in the up-down direction in an energy absorption and shock resistance expansion and contraction mode). Therefore, the technical scheme of the application ensures that the shock absorber for supporting the frame not only can shock-proof jolting generated in the running process of the vehicle, but also can absorb side collision energy when the vehicle is subjected to side collision. When the technical scheme is that jolt vibration is received during running of the vehicle, the frame generates up-down direction sum for the front axle and the axle housing, the axle housing part side impact eliminating energy device connecting rod drives the axle housing part side impact eliminating energy device connecting rod extrusion block to move along the horizontal direction when the shock absorber absorbs energy and dampens vibration, so that the axle housing part side impact eliminating energy device energy absorbing tension spring absorbs energy and dampens vibration, and the front axle part side impact eliminating energy device connecting rod drives the front axle part side impact eliminating energy device connecting rod extrusion block to move along the horizontal direction, so that the front axle part side impact eliminating energy device energy absorbing tension spring absorbs energy and dampens vibration.
Preferably, the front-axle side-impact energy device further comprises a front-axle side-impact energy device rigidity adjusting mechanism, the front-axle side-impact energy device rigidity adjusting mechanism comprises a front-axle side-impact energy device transverse sliding cavity arranged in the front cross beam and a front-axle side-impact energy device piston in the front-axle side-impact energy device transverse sliding cavity in a sliding sealing manner, the front-axle side-impact energy device piston divides the front-axle side-impact energy device transverse sliding cavity into a front-axle side-impact energy device first cavity and a front-axle side-impact energy device second cavity, the front-axle side-impact energy device second cavity is positioned between the front-axle side-impact energy device first cavity and the front-axle side-impact energy device extrusion block, the front-axle side-impact energy device first cavity is provided with an inflation valve and the air pressure in the front-axle side-impact energy device first cavity is positive pressure, the front shaft part side collision eliminating energy device cross rod comprises a front shaft part side collision eliminating energy device first section and a front shaft part side collision eliminating energy device second section, the front shaft part side collision eliminating energy device first section connects the longitudinal bumper with the front shaft part side collision eliminating energy device piston, the front shaft part side collision eliminating energy device second section connects the front shaft part side collision eliminating energy device piston with the front shaft part side collision eliminating energy device extrusion block, the front shaft is provided with a front shaft part transverse chute and a front shaft part side collision eliminating energy device connecting block which is positioned in the front shaft part transverse chute, and the front shaft is connected with a front shaft part side collision eliminating energy device connecting block fixing mechanism which fixes the front shaft part side collision eliminating energy device connecting block in the front shaft part transverse chute. When the front axle part side collision eliminating energy device is used, the air pressure in the front axle part side collision eliminating energy device first cavity is changed by inflating the front axle part side collision eliminating energy device first cavity, so that the rigidity adjusting process is realized, the front axle part side collision eliminating energy device connecting block fixing mechanism loosens the fixing function of the front axle part side collision eliminating energy device connecting block, the air pressure in the front axle part side collision eliminating energy device first cavity is changed, the initial position of the front axle part side collision eliminating energy device extrusion block is changed, and the change of the initial energy storage of the front axle part side collision eliminating energy device energy absorption tension spring is realized, so that the rigidity of a vehicle in vibration reduction is changed. After the adjustment, the front shaft side collision eliminating energy device is fixed on the front shaft again. The vibration damping rigidity of the existing automobile after leaving the factory cannot be changed, and the technical scheme can enable the vibration damping rigidity of the automobile after leaving the factory to be changed without changing the height of the automobile. .
Preferably, the front shaft side collision eliminating energy device connecting block fixing mechanism comprises a front shaft threaded through hole arranged on the side wall of the front shaft transverse chute and a front shaft jacking bolt which is in threaded connection with the front shaft threaded through hole and used for compacting the front shaft side collision eliminating energy device connecting block in the front side chute.
Preferably, the front axle part side collision eliminating energy device further comprises a brake cooling mechanism, a front brake disc is connected to the wheel connecting sleeve, the brake cooling mechanism comprises an air blowing pipe with an outlet facing the front brake disc, an opening arranged on the side wall of the front axle part side collision eliminating energy device transverse sliding cavity, and a sliding plate which is connected with the front axle part side collision eliminating energy device transverse sliding cavity in a sliding sealing mode and seals an air outlet, the sliding plate is connected with the front axle part side collision eliminating energy device connecting block through a synchronizing rod, the air pressure of the front axle part side collision eliminating energy device first cavity is in setting reset, the front axle part side collision eliminating energy device piston seals the air outlet, the inlet end of the air blowing pipe is connected with the air outlet, the synchronizing rod comprises a sleeve with the upper end connected with the sliding plate, a rod body with the upper end penetrating through the lower end of the sleeve, and the lower end of the rod body is connected with the axle housing part side collision eliminating energy device connecting block. Vibration received in the running process of the wheel promotes the piston seal of the front axle part side collision eliminating energy device to move and reset, and the moving distance reaches the aim that compressed gas in the first cavity of the front axle part side collision eliminating energy device flows out through the gas blowing pipe and blows to the front brake disc when the gas outlet is exposed, so that the front brake disc is cooled. According to the technical scheme, the vibration energy can be utilized to control the outflow of gas so as to realize the cooling of the brake disc, and the brake disc is prevented from being overheated so as to influence the braking effect.
The front shaft part side collision eliminating energy device also comprises a water tank, the control valve comprises a valve body, a valve core and a valve core reset spring, the air blowing pipe comprises an air outlet section and an air inlet section, a cylindrical surface flow passage, a conical surface flow passage, a fluid outlet and a liquid inlet are arranged in the valve body, the cylindrical surface flow passage is butted with the cylindrical surface flow passage together, the fluid outlet is butted with the small diameter end of the conical surface flow passage together, the liquid inlet is arranged on the cylindrical surface flow passage, the inlet end of the air outlet section is connected with the fluid outlet, the outlet end faces towards the front brake disc, the inlet end of the air inlet section is connected with the air outlet, the outlet end is positioned in the fluid outlet and the opening direction is far away from the direction of the conical surface flow passage, the valve core is connected in the cylindrical surface flow passage in a sliding sealing manner and seals the liquid inlet, the valve core is provided with a liquid flow passage which penetrates through the peripheral surface from the end face towards one end face of the conical surface flow passage and is used for communicating the liquid inlet and the conical surface flow passage, and the liquid inlet is connected with the water tank through the liquid inlet; and the jet flow effect generated when the outlet end of the air inlet section flows out of the air drives the valve core to move, and the opening of the liquid flow channel positioned on the peripheral surface of the valve core is communicated with the liquid inlet. When the air in the first cavity of the front shaft side collision eliminating energy device flows out through the air outlet and the air inlet section due to vibration generated in the running process of the vehicle, the jet flow effect generated when the air flows out from the outlet end of the air inlet section drives the valve core to move the opening of the liquid flow channel on the peripheral surface of the valve core and the liquid inlet, so that water in the water tank is blown to the front brake disc along with the air flow; when the air outlet is closed, the valve core is reset under the action of the valve core reset spring to seal the liquid inlet. According to the technical scheme, water in the water tank can also flow out together to participate in cooling when the air blowing pipe blows, so that the cooling effect on the brake disc is improved, and the outflow of cooling water is controlled through vibration generated in the running process of the vehicle.
Preferably, the cylindrical flow passage is provided with an air vent at a part of the valve core, which is far away from the conical flow passage. The reliability in the control on can be improved.
Preferably, the front shaft part side collision eliminating energy absorber energy absorbing tension spring is sleeved on the front shaft part side collision eliminating energy absorber cross rod; the energy absorbing pull spring of the energy absorber for eliminating side collision of the axle housing part is sleeved on the cross rod of the energy absorber for eliminating side collision of the axle housing part. The structure is compact.
As the preference, the energy ware is bumped to the side that disappears of axle housing portion still includes that the energy ware rigidity adjustment mechanism is bumped to the side that disappears of axle housing portion disappears, energy ware rigidity adjustment mechanism is bumped to the side that disappears including setting up the axle housing portion that disappears in the rear cross beam and is bumped energy ware cross-sliding chamber and sliding seal and be in the side that disappears in the bridge housing portion disappears and bump the energy ware piston that disappears in the cross-sliding chamber, the side that disappears of axle housing portion bumps the energy ware piston will the side and bump energy ware cross-sliding chamber and split into the first cavity of axle housing portion disappears and bump energy ware second cavity, the side that disappears in the axle housing portion disappears and bump energy ware second cavity and be located the side that disappears in the bridge housing portion and bump energy ware first cavity and the bridge housing portion and bump energy ware extrusion piece, the side that disappears side to bump energy ware first cavity is equipped with the inflation valve and the side energy ware piston in the first cavity is the malleation, the side that disappears the side energy ware piston is connected to the side that disappears in the bridge housing portion side energy ware cross-sliding groove, the side connector block is located the side that disappears in the bridge housing portion and side energy ware cross-sliding groove, the side connector block is located in the side of connecting piece and disappears in the bridge housing portion, the side connector block that disappears side energy ware cross-sliding chamber. When the device is used, the first cavity of the bridge shell part side collision eliminating energy device is inflated to change the air pressure in the first cavity of the bridge shell part side collision eliminating energy device to realize the rigidity adjustment, the bridge shell part side collision eliminating energy device connecting block fixing mechanism loosens the fixing function of the bridge shell part side collision eliminating energy device connecting block, the air pressure in the first cavity of the bridge shell part side collision eliminating energy device is changed to change the initial position of the bridge shell part side collision eliminating energy device extrusion block, so that the change of the initial energy storage of the energy absorbing tension spring of the bridge shell part side collision eliminating energy device is realized, and the rigidity of a vehicle during vibration reduction is changed. And after adjustment, the energy device for eliminating side collision of the bridge shell is fixed on the bridge shell again. The vibration damping rigidity of the existing automobile after leaving the factory cannot be changed, and the technical scheme can enable the vibration damping rigidity of the automobile after leaving the factory to be changed without changing the height of the automobile. Root of Chinese character
Preferably, the axle housing part side collision eliminating energy device connecting block fixing mechanism comprises an axle housing part threaded through hole arranged on the side wall of the axle housing part transverse chute, and an axle housing part jacking bolt which is in threaded connection with the axle housing part side collision eliminating energy device connecting block in the axle housing part threaded through hole and compresses the axle housing part side collision eliminating energy device connecting block in the front side chute.
Preferably, the axle housing part side collision eliminating energy device further comprises a brake cooling mechanism, a rear brake disc is connected to the half shaft, the brake cooling mechanism comprises an air blowing pipe with an outlet end facing the rear brake disc, an opening arranged on the side wall of the axle housing part side collision eliminating energy device transverse sliding cavity, and a sliding plate which is connected with the sliding plate in the axle housing part side collision eliminating energy device transverse sliding cavity and seals an air outlet, the sliding plate is connected with the axle housing part side collision eliminating energy device connecting block through a synchronizing rod, the air pressure of the axle housing part side collision eliminating energy device first cavity is in setting reset, the axle housing part side collision eliminating energy device piston seals the air outlet, the inlet end of the air blowing pipe is connected with the air outlet, the synchronizing rod comprises a sleeve with the upper end connected with the sliding plate, and a rod body with the upper end penetrating through the lower end of the sleeve, and the lower end of the rod body is connected with the axle housing part side collision eliminating energy device connecting block. Vibration received in the running process of the wheel promotes the piston seal of the bridge shell part side collision eliminating energy device to move and reset, and the moving distance reaches the aim that compressed gas in the first cavity of the bridge shell part side collision eliminating energy device flows out through the gas blowing pipe and blows to the rear brake disc when the gas outlet is exposed, so that the rear brake disc is cooled. According to the technical scheme, the vibration energy can be utilized to control the outflow of gas so as to realize the cooling of the brake disc, and the brake disc is prevented from being overheated so as to influence the braking effect.
The application also comprises a water tank, the axle housing part side collision eliminating energy device further comprises a control valve, the control valve comprises a valve body, a valve core and a valve core reset spring, the air blowing pipe comprises an air outlet section and an air inlet section, a cylindrical surface flow passage, a conical surface flow passage, a fluid outlet and a liquid inlet are arranged in the valve body, the cylindrical surface flow passage is butted with the cylindrical surface flow passage, the fluid outlet is butted with the conical surface flow passage, the liquid inlet is arranged on the cylindrical surface flow passage, the inlet end of the air outlet section is connected with the fluid outlet, the outlet end faces the rear brake disc, the inlet end of the air inlet section is connected with the air outlet, the outlet end of the air inlet section is positioned in the fluid outlet and the opening direction is far away from the conical surface flow passage, the valve core is connected in the cylindrical surface flow passage in a sliding sealing manner and seals the liquid inlet, the valve core is provided with a liquid flow passage which is communicated with the liquid inlet and the conical surface flow passage from the end face at one end face of the conical surface flow passage, and the liquid inlet is connected with the water tank through the liquid inlet; and the jet flow effect generated when the outlet end of the air inlet section flows out of the air drives the valve core to move, and the opening of the liquid flow channel positioned on the peripheral surface of the valve core is communicated with the liquid inlet. When the air in the first cavity of the front shaft side collision eliminating energy device flows out through the air outlet and the air inlet section due to vibration generated in the running process of the vehicle, the jet flow effect generated when the air flows out from the outlet end of the air inlet section drives the valve core to move the opening of the liquid flow channel on the peripheral surface of the valve core and the liquid inlet, so that water in the water tank is blown to the front brake disc along with the air flow; when the air outlet is closed, the valve core is reset under the action of the valve core reset spring to seal the liquid inlet. According to the technical scheme, water in the water tank can also flow out together to participate in cooling when the air blowing pipe blows, so that the cooling effect on the brake disc is improved, and the outflow of cooling water is controlled through vibration generated in the running process of the vehicle.
Preferably, the cylindrical flow passage is provided with an air vent at a part of the valve core, which is far away from the conical flow passage. The reliability in the control on can be improved.
The application has the following advantages: the side collision resistance is good; the automobile body is not extruded in the side collision process within the set range; the shock absorber which stretches in the up-down direction can absorb side impact energy.
Drawings
FIG. 1 is a schematic bottom view of the present application;
FIG. 2 is a schematic cross-sectional view taken in cross-section from the axle housing;
FIG. 3 is a schematic cross-sectional view taken in cross-section at the front axle;
fig. 4 is an enlarged schematic cross-sectional view of the control valve.
In the figure: axle housing 1, front axle 2, shock absorber 3, front cross member 4, rear cross member 5, side rail 6, water tank 7, speed reducer mounting chamber 8, speed reducer 9, axle shaft mounting channel 10, axle shaft 11, rear wheel 12, rear brake disc 13, knuckle 14, bearing 15, wheel coupling sleeve 16, front wheel 17, front brake disc 18, longitudinal bumper 19, front axle side impact energy device lateral chute 210, front axle side impact energy device energy absorbing tension spring 212, front axle side impact energy device extrusion block 213, front axle side impact energy device upper longitudinal axle 214, front axle side impact energy device connecting rod 215, front axle side impact energy device lower longitudinal axle head 216, front axle side impact energy device connecting block 217, front axle side lateral chute 218, front axle side impact energy device connecting block fixing mechanism 219, front axle threaded through hole 220, front axle side impact energy device transverse rod 222, front axle side impact energy device top bolt 221, front axle side impact energy device connecting rod 222 front axle side impact energy device piston 223, front axle side impact energy device first cavity 224, front axle side impact energy device second cavity 225, front axle side impact energy device first segment 226, front axle side impact energy device second segment 227, air blowing pipe 228, opening 229, air outlet 230, slide 231, control valve 232, synchronizing bar 233, air outlet segment 234, air inlet segment 235, valve body 211, valve core 236, valve core return spring 237, cylindrical flow channel 238, conical flow channel 239, fluid outlet 240, fluid inlet 241, fluid flow channel 242, fluid inlet pipe 243, air vent 244, fluid flow channel opening 245 on the valve core circumference, axle housing side impact energy device transverse chute 310, axle housing side impact energy device energy absorbing tension spring 312, axle housing side impact energy device squeeze block 313, axle housing side impact energy device upper longitudinal shaft head 314, axle housing side impact energy device connecting rod 315, the axle housing portion side impact eliminating energy device lower longitudinal shaft head 316, an axle housing portion side impact eliminating energy device connecting block 317, an axle housing portion transverse chute 318, an axle housing portion side impact eliminating energy device connecting block fixing mechanism 319, an axle housing portion threaded through hole 320, an axle housing portion tightening bolt 321, an axle housing portion side impact eliminating energy device cross bar 322, an axle housing portion side impact eliminating energy device piston 323, an axle housing portion side impact eliminating energy device first cavity 324, an axle housing portion side impact eliminating energy device second cavity 325, an axle housing portion side impact eliminating energy device first segment 326, an axle housing portion side impact eliminating energy device second segment 327.
Detailed Description
The present application will be described in detail with reference to the accompanying drawings and examples.
Referring to fig. 1 to 4, an automobile bridge for absorbing side impact energy of a vehicle body damper includes an axle housing 1, a front axle 2, a damper 3, and a vehicle frame. The frame comprises a front cross beam 4 and a rear cross beam 5, and longitudinal beams 6 which are used for connecting the front cross beam and the rear cross beam together. The frame is connected with a water tank 7. The middle part of the axle housing is provided with a speed reducer mounting cavity 8. A decelerator 9 is arranged in the decelerator installation cavity. The reducer mounting cavity is provided with two half shaft mounting channels 10 which penetrate through two end faces of the axle housing in a one-to-one correspondence manner. The half shaft 11 is penetrated in the half shaft installation channel. The outer end of the half shaft is connected with a rear wheel 12 and a rear brake disc 13 (the rear brake disc is matched with a rear brake caliper to brake the rear wheel). The front axle is connected at both ends with a knuckle 14. The knuckle is connected with a wheel connecting sleeve 16 through a bearing 15. The front wheel 17 and the front brake disc 18 (the front brake disc is matched with the front brake caliper to brake the front wheel) are connected to the wheel connecting sleeve. The application also comprises 2 longitudinal bumpers 19 distributed on both sides of the frame. The two ends of the front cross beam are respectively supported at the two ends of the front shaft through a shock absorber. The two ends of the rear cross beam are respectively supported at the two ends of the axle housing through a shock absorber. The front end of the longitudinal bumper is connected with the front beam through a front shaft part side collision eliminating energy device, and the rear end of the longitudinal bumper is connected with the rear beam through a bridge shell part side collision eliminating energy device.
The front axle side collision eliminating energy device comprises a front axle side collision eliminating energy device transverse chute 210 arranged in the middle of the front cross beam, a transversely telescopic front axle side collision eliminating energy device energy absorbing tension spring 212 arranged in the annular chute, a front axle side collision eliminating energy device extrusion block 213 which is connected in the front axle side collision eliminating energy device transverse chute in a sliding mode, a front axle side collision eliminating energy device connecting rod 215 of which the upper end is hinged to the front axle side collision eliminating energy device extrusion block through a front axle side collision eliminating energy device upper longitudinal shaft head 214, and a front axle side collision eliminating energy device connecting block 217 of which the lower end is hinged to the front axle side collision eliminating energy device connecting rod through a front axle side collision eliminating energy device lower longitudinal shaft head 216. The front axle is provided with a front axle transverse chute 218 and a front axle side impact energy device connecting block is positioned in the front axle transverse chute. The front axle is connected with a front axle side collision eliminating energy device connecting block fixing mechanism 219 for fixing the front axle side collision eliminating energy device connecting block in the front axle transverse chute. The front shaft side collision eliminating energy device connecting block fixing mechanism comprises a front shaft threaded through hole 220 arranged on the side wall of the front shaft transverse chute and a front shaft jacking bolt 221 which is in threaded connection with the front shaft threaded through hole and used for compacting the front shaft side collision eliminating energy device connecting block in the front side chute. The front shaft side collision eliminating energy device connecting rod is inclined in a state that the lower end of the front shaft side collision eliminating energy device connecting rod is far away from the upper end of the middle of the front shaft and faces the middle of the front cross beam. The front axle side impact energy meter extrusion block is connected with the longitudinal bumper by a front axle side impact energy meter cross bar 222. The front shaft side collision eliminating energy device extrusion block is fixedly connected with one end of the front shaft side collision eliminating energy device energy absorbing tension spring, and the other end of the front shaft side collision eliminating energy device energy absorbing tension spring is fixed with the front beam. The front shaft side collision eliminating energy absorber energy absorbing tension spring is sleeved on the front shaft side collision eliminating energy absorber cross rod. When the front shaft side collision eliminating energy device extrusion block slides towards the middle part of the front beam, the front shaft side collision eliminating energy device extrusion block is driven to deform to absorb energy by the energy absorption tension spring. The front-shaft side impact eliminating energy device further comprises a front-shaft side impact eliminating energy device rigidity adjusting mechanism. The front-axle side collision eliminating energy device rigidity adjusting mechanism comprises a front-axle side collision eliminating energy device transverse sliding cavity and a front-axle side collision eliminating energy device piston 223, wherein the front-axle side collision eliminating energy device transverse sliding cavity is arranged in the front cross beam, and the front-axle side collision eliminating energy device piston 223 is connected in the front-axle side collision eliminating energy device transverse sliding cavity in a sliding sealing mode. The front-axle side impact energy meter piston divides the front-axle side impact energy meter cross-slide cavity into a front-axle side impact energy meter first cavity 224 and a front-axle side impact energy meter second cavity 225. The front shaft side collision eliminating energy device second cavity is positioned between the front shaft side collision eliminating energy device first cavity and the front shaft side collision eliminating energy device extrusion block. The first cavity of the front-shaft side collision eliminating energy device is provided with an inflation valve (when in use, the inflation valve is used for inflating and deflating the first cavity of the front-shaft side collision eliminating energy device to change the air pressure), and the air pressure in the first cavity of the front-shaft side collision eliminating energy device is positive pressure. The front axle side impact energy meter rail includes a front axle side impact energy meter first section 226 and a front axle side impact energy meter second section 227. The front axle side collision eliminating energy device comprises a front axle side collision eliminating energy device, a front axle side collision eliminating energy device and a brake cooling mechanism. The brake cooling mechanism comprises an air blowing pipe 228, an opening 229 arranged on the side wall of the front shaft part side collision eliminating energy device transverse sliding cavity, a sliding plate 231 which is connected in the front shaft part side collision eliminating energy device transverse sliding cavity in a sliding sealing mode and seals the opening, and is provided with an air outlet 230, and a control valve 232. The skateboard is connected with the front shaft side collision eliminating energy device connecting block through a synchronous rod 233. When the air pressure of the first cavity of the front shaft side collision eliminating energy device is set to be in reset, the piston of the front shaft side collision eliminating energy device seals the air outlet. The blowpipe includes an air outlet section 234 and an air inlet section 235. The control valve includes a valve body 211, a spool 236, and a spool return spring 237. The valve body is internally provided with a cylindrical flow passage 238, a conical flow passage 239 with a large diameter end butted with the cylindrical flow passage, a fluid outlet 240 butted with a small diameter end of the conical flow passage and a liquid inlet 241 arranged on the cylindrical flow passage. The inlet end and the fluid outlet of the air outlet section are connected together, and the outlet end faces the front brake disc. The inlet end of the air inlet section is connected with the air outlet, the outlet end is positioned in the fluid outlet, and the opening direction is far away from the direction of the conical surface flow channel. The valve core is connected in the cylindrical flow channel in a sliding and sealing way and seals the liquid inlet. The valve element is provided with a flow channel 242 penetrating the peripheral surface from the end surface facing one end of the conical flow channel and communicating the liquid inlet with the conical flow channel. The liquid inlet is connected with the water tank through a liquid inlet pipe 243. The jet flow effect generated when the outlet end of the air inlet section flows out of the air drives the valve core to move to an opening 245 of the liquid flow channel on the periphery of the valve core, and the opening 245 is communicated with the liquid inlet. The part of the cylindrical flow channel, which is positioned at one side of the valve core, which is far away from the conical flow channel, is provided with an air vent 244. The synchronous rod comprises a sleeve with the upper end connected with the sliding plate and a rod body with the upper end penetrating through the lower end of the sleeve, and the lower end of the rod body is connected with the connecting block of the side collision eliminating energy device of the axle housing.
The axle shell part side collision eliminating energy device comprises an axle shell part side collision eliminating energy device transverse chute 310 arranged in the middle of the rear cross beam, an axle shell part side collision eliminating energy device energy absorbing tension spring 312 which is arranged in the annular chute and transversely stretches out and draws back, an axle shell part side collision eliminating energy device extrusion block 313 which is connected in the axle shell part side collision eliminating energy device transverse chute in a sliding mode, an axle shell part side collision eliminating energy device connecting rod 315 of which the upper end is hinged to the axle shell part side collision eliminating energy device extrusion block through an axle shell part side collision eliminating energy device upper longitudinal shaft head 314, and an axle shell part side collision eliminating energy device connecting block 317 of which the lower end is hinged to the axle shell part side collision eliminating energy device connecting rod through an axle shell part side collision eliminating energy device lower longitudinal shaft head 316. The axle housing is provided with an axle housing part transverse chute 318 and an axle housing part side collision eliminating energy device connecting block positioned in the axle housing part transverse chute. The axle housing is connected with an axle housing side collision eliminating energy device connecting block fixing mechanism 319 for fixing the axle housing side collision eliminating energy device connecting block in the axle housing transverse chute. The axle housing part side collision eliminating energy device connecting block fixing mechanism comprises an axle housing part threaded through hole 320 arranged on the side wall of the axle housing part transverse chute, and an axle housing part jacking bolt 321 which is in threaded connection with the axle housing part side collision eliminating energy device connecting block in the axle housing part threaded through hole and compresses the axle housing part side collision eliminating energy device connecting block in the front side chute. The connecting rod of the bridge shell side collision eliminating energy device is inclined in a state that the lower end of the connecting rod is far away from the upper end of the middle part of the bridge shell and faces the middle part of the rear cross beam. The bridge shell side impact energy device extrusion block is connected with the longitudinal bumper through the bridge shell side impact energy device cross bar 322. The extrusion block of the bridge shell part side collision eliminating energy device is fixedly connected with one end of the bridge shell part side collision eliminating energy device energy absorbing tension spring, and the other end of the bridge shell part side collision eliminating energy device energy absorbing tension spring is fixed with the rear cross beam. The energy absorbing pull spring of the energy absorber for eliminating side collision of the axle housing part is sleeved on the cross rod of the energy absorber for eliminating side collision of the axle housing part. When the extrusion block of the bridge shell part side collision eliminating energy device slides towards the middle part of the rear cross beam, the bridge shell part side collision eliminating energy device energy absorption tension spring is driven to deform so as to absorb energy. The bridge shell side collision eliminating energy device further comprises a bridge shell side collision eliminating energy device rigidity adjusting mechanism. The rigidity adjusting mechanism of the bridge shell part side collision eliminating energy device comprises a bridge shell part side collision eliminating energy device transverse sliding cavity and a bridge shell part side collision eliminating energy device piston 323, wherein the bridge shell part side collision eliminating energy device transverse sliding cavity is arranged in the rear cross beam, and the bridge shell part side collision eliminating energy device piston 323 is connected in the bridge shell part side collision eliminating energy device transverse sliding cavity in a sliding sealing mode. The axle housing portion side impact energy meter piston divides the axle housing portion side impact energy meter cross slide cavity into an axle housing portion side impact energy meter first cavity 324 and an axle housing portion side impact energy meter second cavity 325. The second cavity of the bridge shell part side collision eliminating energy device is positioned between the first cavity of the bridge shell part side collision eliminating energy device and the extrusion block of the bridge shell part side collision eliminating energy device. The first cavity of the bridge shell part side collision eliminating energy device is provided with an inflation valve (when in use, the first cavity of the bridge shell part side collision eliminating energy device is inflated and deflated through the inflation valve to change the air pressure) and the air pressure in the first cavity of the bridge shell part side collision eliminating energy device is positive pressure. The axle housing portion side impact energy meter cross bar includes an axle housing portion side impact energy meter first section 326 and an axle housing portion side impact energy meter second section 327. The first section of the bridge shell part side collision eliminating energy device connects the longitudinal bumper with the bridge shell part side collision eliminating energy device piston, and the second section of the bridge shell part side collision eliminating energy device connects the bridge shell part side collision eliminating energy device piston with the bridge shell part side collision eliminating energy device extrusion block.
The bridge shell side collision eliminating energy device also comprises a brake cooling mechanism. The structure of the brake cooling mechanism in the bridge shell portion side impact eliminating energy device is the same as that of the vehicle cooling mechanism in the front shaft portion side impact eliminating energy device, and a repeated description is not made here.
Claims (3)
1. The automobile bridge capable of absorbing side collision energy through the automobile body shock absorber during side collision comprises an axle housing, a front axle, a shock absorber and an automobile frame, wherein a speed reducer installation cavity is arranged in the middle of the axle housing, two half axle installation channels which are correspondingly communicated with two end faces of the axle housing one by one are arranged in the speed reducer installation cavity, half axles are arranged in the half axle installation channels in a penetrating mode, and the outer ends of the half axles are connected with rear wheels; the two ends of the front shaft are connected with steering knuckles, the steering knuckles are connected with wheel connecting sleeves through bearings, and the wheel connecting sleeves are connected with front wheels; the vehicle frame is characterized by further comprising 2 longitudinal bumpers distributed on two sides of the vehicle frame, the vehicle frame comprises a front cross beam and a rear cross beam, two ends of the front cross beam are respectively supported on two ends of the front shaft through one shock absorber, two ends of the rear cross beam are respectively supported on two ends of the axle housing through one shock absorber, the front ends of the longitudinal bumpers are connected with the front cross beam through front shaft part side collision eliminating energy devices, and the rear ends of the longitudinal bumpers are connected with the rear cross beam through axle housing part side collision eliminating energy devices; the front axle side collision eliminating energy device comprises a front axle side collision eliminating energy device transverse chute arranged in the middle of the front cross beam, a front axle side collision eliminating energy device energy absorbing tension spring arranged in the annular chute and extending along the transverse direction, a front axle side collision eliminating energy device extrusion block slidingly connected in the front axle side collision eliminating energy device transverse chute, a front axle side collision eliminating energy device connecting rod with the upper end hinged on the front axle side collision eliminating energy device extrusion block through a front axle side collision eliminating energy device upper longitudinal shaft head, and a front axle side collision eliminating energy device connecting block hinged on the lower end of the front axle side collision eliminating energy device connecting rod through a front axle side collision eliminating energy device lower longitudinal shaft head, wherein the front axle side collision eliminating energy device connecting block is connected with the front axle in a same way, the lower end of the front axle side collision eliminating energy device connecting rod is inclined towards the middle of the front cross beam in a state that the middle upper end of the front axle is far away from the front axle, the front axle side collision eliminating energy device extrusion block is connected with the front axle side extrusion energy absorbing tension spring in a same way, and the front axle side collision eliminating energy device extrusion block is connected with the front axle side collision eliminating energy device extrusion absorbing block in a same way when the front axle side collision eliminating energy device extrusion absorbing device is connected with the front axle side extrusion absorbing device extrusion block; the said axle housing part side collision eliminating energy device includes the transverse chute of the said axle housing part side collision eliminating energy device, the energy absorbing tension spring of the said axle housing part side collision eliminating energy device, the extrusion block of the said axle housing part side collision eliminating energy device, the axle housing part side collision eliminating energy device connecting rod and the axle housing part side collision eliminating energy device connecting block, the said axle housing part side collision eliminating energy device connecting block is connected with the said axle housing, the said axle housing part side collision eliminating energy device connecting rod is inclined with the lower end of the said axle housing part side collision eliminating energy device connecting rod away from the middle upper end of the said axle housing toward the middle of the front beam, the axle housing part side collision eliminating energy device extrusion block is connected with the longitudinal bumper through an axle housing part side collision eliminating energy device cross rod, the axle housing part side collision eliminating energy device extrusion block is connected with one end of an axle housing part side collision eliminating energy device energy absorbing tension spring, the axle housing part side collision eliminating energy device extrusion block drives the axle housing part side collision eliminating energy device energy absorbing tension spring to deform and absorb energy when sliding towards the middle part of the rear cross beam, the front axle part side collision eliminating energy device also comprises a front axle part side collision eliminating energy device rigidity adjusting mechanism, the front axle part side collision eliminating energy device rigidity adjusting mechanism comprises a front axle part side collision eliminating energy device transverse cavity arranged in the front cross beam and a front axle part side collision eliminating energy device piston which is connected in the front axle part side collision eliminating energy device transverse cavity in a sliding sealing way, the front-shaft side impact energy device piston divides the front-shaft side impact energy device transverse sliding cavity into a front-shaft side impact energy device first cavity and a front-shaft side impact energy device second cavity, the front-shaft side impact energy device second cavity is positioned between the front-shaft side impact energy device first cavity and the front-shaft side impact energy device extrusion block, the front-shaft side impact energy device first cavity is provided with an inflation valve, the air pressure in the front-shaft side impact energy device first cavity is positive pressure, the front-shaft side impact energy device cross bar comprises a front-shaft side impact energy device first section and a front-shaft side impact energy device second section, the front-shaft side impact energy device first section connects the longitudinal bumper with the front-shaft side impact energy device piston, the front-shaft side impact energy device second section connects the front-shaft side impact energy device piston with the front-shaft side impact energy device extrusion block, the front axle is provided with a front axle horizontal chute and a front axle side collision eliminating energy device connecting block which is positioned in the front axle horizontal chute, the front axle is connected with a front axle side collision eliminating energy device connecting block fixing mechanism which fixes the front axle side collision eliminating energy device connecting block in the front axle horizontal chute, the front axle side collision eliminating energy device also comprises a brake cooling mechanism, the wheel connecting sleeve is connected with a front brake disc, the brake cooling mechanism comprises an air blowing pipe with an outlet end facing the front brake disc, an opening arranged on the side wall of a front axle side collision eliminating energy device horizontal sliding cavity and a sliding plate which is connected in the front axle side collision eliminating energy device horizontal sliding cavity in a sliding way and seals an air outlet arranged in the opening, the sliding plate is connected with the front axle side collision eliminating energy device connecting block through a synchronizing rod, the air pressure of the first cavity of the front shaft side collision eliminating energy device seals the air outlet when the air pressure is set to be reset, the inlet end of the air blowing pipe is connected with the air outlet, the synchronous rod comprises a sleeve with the upper end connected with the sliding plate and a rod body with the upper end penetrating through the lower end of the sleeve, and the lower end of the rod body is connected with the connecting block of the front shaft side collision eliminating energy device; the automobile bridge for absorbing side impact energy of the automobile body shock absorber further comprises a water tank, the front shaft part side impact energy absorber further comprises a control valve, the control valve comprises a valve body, a valve core and a valve core reset spring, the air blowing pipe comprises an air outlet section and an air inlet section, a cylindrical surface flow passage, a conical surface flow passage, a fluid outlet and a liquid inlet are arranged in the valve body, the large-diameter end of the conical surface flow passage is in butt joint with the cylindrical surface flow passage, the fluid outlet is in butt joint with the small-diameter end of the conical surface flow passage, the liquid inlet is arranged on the cylindrical surface flow passage, the inlet end of the air outlet section is connected with the fluid outlet, the outlet end faces towards the front brake disc, the inlet end of the air inlet section is connected with the air outlet, the outlet end of the air inlet section is positioned in the fluid outlet and is far away from the direction of the conical surface flow passage, the valve core is in the cylindrical surface flow passage in a sliding sealing mode and seals the liquid inlet, the valve core is provided with a liquid flow passage which penetrates through the peripheral surface from the end face towards one end face of the conical surface flow passage and is used for communicating the liquid inlet and the conical surface flow passage, and the liquid inlet is connected with the water tank through the liquid inlet pipe; jet flow action generated when the outlet end of the air inlet section flows out of the air drives the valve core to move to an opening of the liquid flow channel on the periphery of the valve core to be communicated with the liquid inlet; the cylindrical flow channel is provided with an air vent at the part of the valve core, which is far away from the conical flow channel.
2. The bridge for vehicle absorbing side impact energy by a vehicle body damper according to claim 1, wherein said front axle side impact energy dissipating device connecting block fixing means comprises a front axle threaded through hole provided in a side wall of said front axle lateral chute, a front axle pressing bolt screwed into said front axle threaded through hole for pressing said front axle side impact energy dissipating device connecting block into said front lateral chute.
3. The automobile bridge for absorbing side impact energy through a vehicle body damper when side impact is generated according to claim 1, wherein the front axle side impact energy absorbing pull spring is sleeved on the front axle side impact energy absorbing rail; the energy absorbing pull spring of the energy absorber for eliminating side collision of the axle housing part is sleeved on the cross rod of the energy absorber for eliminating side collision of the axle housing part.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111090338.7A CN113619515B (en) | 2020-08-03 | 2020-08-03 | Automobile bridge capable of absorbing side collision energy through automobile body shock absorber during side collision |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010767504.1A CN111994028B (en) | 2020-08-03 | 2020-08-03 | Drive axle assembly with shock absorber assisting in absorbing side impact energy |
| CN202111090338.7A CN113619515B (en) | 2020-08-03 | 2020-08-03 | Automobile bridge capable of absorbing side collision energy through automobile body shock absorber during side collision |
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| CN202010767504.1A Division CN111994028B (en) | 2020-08-03 | 2020-08-03 | Drive axle assembly with shock absorber assisting in absorbing side impact energy |
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| CN113619515A CN113619515A (en) | 2021-11-09 |
| CN113619515B true CN113619515B (en) | 2023-08-18 |
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| CN202010767504.1A Active CN111994028B (en) | 2020-08-03 | 2020-08-03 | Drive axle assembly with shock absorber assisting in absorbing side impact energy |
| CN202111090338.7A Active CN113619515B (en) | 2020-08-03 | 2020-08-03 | Automobile bridge capable of absorbing side collision energy through automobile body shock absorber during side collision |
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| RU2565462C1 (en) * | 2014-08-22 | 2015-10-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Ульяновский государственный технический университет" | Sliding safety bumper for vehicle |
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| CN111559203A (en) * | 2017-05-17 | 2020-08-21 | 杭州跟策科技有限公司 | Side impact energy-absorbing type automobile bridge assembly |
| CN212637392U (en) * | 2020-08-03 | 2021-03-02 | 南平市建阳区汽车锻压件厂 | Drive axle assembly with shock absorber assisting in absorbing side impact energy |
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| RU2243911C1 (en) * | 2003-08-04 | 2005-01-10 | Ткачев Виктор Петрович | Passenger car side energy-absorbing buffer |
| CN107554459A (en) * | 2017-10-20 | 2018-01-09 | 杭州容大智造科技有限公司 | Anti-side touches shape electric automobile |
Also Published As
| Publication number | Publication date |
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| CN113619515A (en) | 2021-11-09 |
| CN111994028B (en) | 2021-10-29 |
| CN111994028A (en) | 2020-11-27 |
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Address after: 354200 No. 176 Renmin Road, Shui Ji Town, Jianyang District, Nanping, Fujian Applicant after: Fujian Tiechima Light Axle Co.,Ltd. Address before: 354209 No. 176 Renmin Road, Shui Ji Town, Jianyang District, Nanping, Fujian Applicant before: NANPING JIANYANG AUTO PRESS FORGING FACTORY |
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Denomination of invention: A car bridge that absorbs side impact energy through the body shock absorber during side impact Effective date of registration: 20231017 Granted publication date: 20230818 Pledgee: Industrial and Commercial Bank of China Limited Jianyang Branch Pledgor: Fujian Tiechima Light Axle Co.,Ltd. Registration number: Y2023980061378 |
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