CN113619515A - Automobile bridge frame for absorbing side impact energy through automobile body shock absorber during side impact - Google Patents
Automobile bridge frame for absorbing side impact energy through automobile body shock absorber during side impact Download PDFInfo
- Publication number
- CN113619515A CN113619515A CN202111090338.7A CN202111090338A CN113619515A CN 113619515 A CN113619515 A CN 113619515A CN 202111090338 A CN202111090338 A CN 202111090338A CN 113619515 A CN113619515 A CN 113619515A
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- side impact
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- 239000006096 absorbing agent Substances 0.000 title claims abstract description 67
- 230000035939 shock Effects 0.000 title claims abstract description 27
- 238000010521 absorption reaction Methods 0.000 claims abstract description 25
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 230000008030 elimination Effects 0.000 claims description 50
- 238000003379 elimination reaction Methods 0.000 claims description 50
- 239000007788 liquid Substances 0.000 claims description 36
- 230000002265 prevention Effects 0.000 claims description 35
- 230000007246 mechanism Effects 0.000 claims description 33
- 208000032765 Device extrusion Diseases 0.000 claims description 25
- 238000001125 extrusion Methods 0.000 claims description 21
- 239000012530 fluid Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 16
- 239000003638 chemical reducing agent Substances 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 15
- 238000007664 blowing Methods 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 230000008859 change Effects 0.000 description 7
- 238000007789 sealing Methods 0.000 description 7
- 238000013016 damping Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000009467 reduction Effects 0.000 description 5
- 239000000498 cooling water Substances 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—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
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- 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
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- 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 invention relates to an automobile bridge frame with an automobile body shock absorber for absorbing side impact energy, which comprises an axle housing, a front shaft, a frame and 2 longitudinal bumpers, wherein the 2 longitudinal bumpers are distributed on two sides of the frame, and the axle housing is provided with a half shaft in a penetrating way; the frame includes front beam and rear beam, and the both ends of front beam respectively support at the both ends of front axle through a bumper shock absorber, and the both ends of rear beam respectively support at the both ends of axle housing through a bumper shock absorber, and the front end of vertical bumper disappears the side through preceding axial region and bumps the energy ware with the front beam and link together, the rear end disappears the side through the axle shell and bumps the energy ware with the rear beam links together. The invention 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 automobile is generated.
Description
The application is a divisional application with the name of an automobile bridge frame with a vehicle body shock absorber absorbing side impact energy, which is applied under the application number of 2020107675041, on 2020 and 08-03.
Technical Field
The invention relates to an automobile bridge, in particular to an automobile bridge with a body damper for absorbing side impact energy.
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 front axle, steering axle) of the automobile, wherein the driving axle and the front axle are connected with wheels at two ends, and the frame is connected with the frame through a suspension mechanism.
The front axle of the automobile is used for mounting front wheels and supporting the weight of the front part of the automobile and is connected with the frame by a front suspension frame. A front axle of an automobile with a conventional structure is disclosed in chinese patent application No. 2011201792654, which is entitled "front axle assembly of an automobile" with publication date of 2011, 12 and 28. The automobile front axle comprises a cross rod and two cantilevers, a frame supporting part is arranged at each of two ends of the cross rod, the cantilevers are connected to two ends of the cross rod respectively, and main pin holes are formed in the cantilevers. When the front wheel steering device is used, the steering knuckle is arranged in the main pin hole in a penetrating mode through the main pin and connected with the front shaft, and the front wheel is installed on the steering knuckle.
The drive axle is composed of a main speed reducer, a differential mechanism, a half shaft and an axle housing. The main speed reducer, the differential 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 chinese patent publication No. 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 the reduction gear installation section is equipped with the reduction gear installation cavity, and the semi-axis installation section is equipped with the semi-axis installation passageway that begins to extend and communicate the reduction gear installation cavity along the extending direction of semi-axis installation section from the terminal surface of wheel connector. When the speed reducer is used, the speed reducer is installed in the speed reducer installation cavity, and the two half shafts penetrate through the half shaft installation channel and are connected with the wheel to drive the wheel (rear wheel).
The existing automobile bridge frame has the following defects: the side impact prevention capability is poor, energy absorption is realized through deformation and collapse of the frame when side impact occurs, and the deformation and collapse of the frame are easy to damage passengers.
Disclosure of Invention
The invention provides an automobile bridge frame which can absorb side impact energy through an automobile body shock absorber without the need of collapsing and deforming a frame during side impact, and solves the problem of poor safety caused by the fact that an existing automobile needs to collapse and absorb energy during side impact.
The technical problem is solved by the following technical scheme: an automobile bridge frame with an automobile body shock absorber for absorbing side impact energy comprises an axle housing, a front shaft, a shock absorber and a frame, wherein a speed reducer mounting cavity is arranged in the middle of the axle housing, two half shaft mounting channels which penetrate through two end faces of the axle housing in a one-to-one correspondence mode are arranged in the speed reducer mounting cavity, half shafts penetrate through the half shaft mounting channels, and the outer ends of the half shafts 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 automobile chassis is characterized by further comprising 2 longitudinal bumpers distributed on two sides of the automobile chassis, wherein the automobile chassis comprises a front cross beam and a rear cross beam, two ends of the front cross beam are respectively supported at two ends of the front shaft through one shock absorber, two ends of the rear cross beam are respectively supported at two ends of the axle housing through one shock absorber, the front end of each longitudinal bumper is connected with the front cross beam through a front shaft part side impact energy absorber, and the rear end of each longitudinal bumper is connected with the rear cross beam through an axle housing part side impact energy absorber; the front shaft part side collision elimination energy device comprises a front shaft part side collision elimination energy device transverse sliding groove arranged in the middle part of the front cross beam, a front shaft part side collision elimination energy device energy absorption tension spring which is arranged in an annular sliding groove and extends along the transverse direction, a front shaft part side collision elimination energy device extrusion block which is connected in a sliding way in the front shaft part side collision elimination energy device transverse sliding groove, a front shaft part side collision elimination energy device connecting rod of which the upper end is hinged on the front shaft part side collision elimination energy device extrusion block through a longitudinal shaft head on the front shaft part side collision elimination energy device, and a front shaft part side collision elimination energy device connecting block which is hinged on the lower end of the front shaft part side collision elimination energy device connecting rod through a longitudinal shaft head under the front shaft part side collision elimination energy device, wherein the front shaft part side collision elimination energy device connecting block is connected with the front shaft together, the front shaft part side collision elimination energy device connecting rod is inclined towards the state of the middle part of the front cross beam with the lower end far away from the middle part of the front shaft, the front shaft part side impact prevention energy device extrusion block is connected with the longitudinal bumper through a front shaft part side impact prevention energy device cross rod, the front shaft part side impact prevention energy device extrusion block is connected with one end of the front shaft part side impact prevention energy device energy absorption tension spring, and the front shaft part side impact prevention energy device extrusion block drives the front shaft part side impact prevention energy device energy absorption tension spring to deform and absorb energy when sliding towards the middle part of the front cross beam; the energy device is bumped to bridge shell portion side that disappears including setting up axle shell portion in the rear cross beam middle part side that disappears bumps energy device horizontal chute, set up in annular chute along the axle shell portion side that disappears of horizontal flexible bump energy device energy-absorbing extension spring, sliding connection the bridge shell portion side that disappears in the energy device horizontal chute is bumped to bridge shell portion side that disappears bumps energy device extrusion piece, the upper end bumps energy device connecting rod through bridge shell portion side that disappears on the energy device is bumped to bridge shell portion side that disappears through longitudinal spindle nose hinge on the energy device extrusion piece of bridge shell portion side that disappears and bumps energy device connecting block through bridge shell portion side that disappears and hinges the bridge shell portion side that disappears on the lower extreme of energy device connecting rod that disappears through longitudinal spindle nose under the energy device that disappears, the bridge shell portion side that disappears bumps energy device connecting block with the axle shell portion side that disappears links together with the axle shell portion, the bridge shell portion side that disappears bumps energy device connecting rod with the lower extreme keeps away from the middle part upper end of axle shell portion and inclines towards the state in the middle part of front cross beam middle part, the utility model discloses a bumper beam, including bridge shell portion, energy ware extrusion piece, energy ware energy-absorbing extension spring, bridge shell portion, energy ware extrusion piece, bridge shell portion, energy ware energy-absorbing extension spring, bridge shell portion, energy ware extrusion piece, energy ware energy-absorbing extension spring, energy ware, energy-absorbing extension spring, energy-absorbing. When the automobile is subjected to side collision, the side collision energy pushes the longitudinal bumper to drive the front shaft part side collision-eliminating energy device connecting block and the axle housing part side collision-eliminating energy device connecting block to move inwards, the front shaft part side collision-eliminating energy device connecting block and the axle housing part side collision-eliminating energy device connecting block correspondingly pull the front shaft part side collision-eliminating energy device energy absorbing tension spring and the hollow shell part side collision-eliminating energy device energy absorbing tension spring one by one to absorb the side collision energy, meanwhile, the automobile frame moves downwards under the limiting action of the front shaft part side collision-eliminating energy device connecting rod and the front shaft part side collision-eliminating energy device connecting rod, and the automobile frame moves downwards to contract to absorb energy (the shock absorber of a support frame on the automobile is telescopic to absorb energy along the vertical direction to resist shock). Therefore, the technical scheme of the invention ensures that the shock absorber for supporting the frame not only can resist the jolt generated in the running process of the vehicle, but also can absorb the side impact energy when the vehicle is subjected to side impact. When the vehicle receives jolting vibration during running, the frame can generate vertical force for the front shaft and the axle housing, and the axle housing part side impact energy eliminating energy device connecting rod can drive the axle housing part side impact energy device connecting rod extrusion block to move along the horizontal direction so that the axle housing part side impact energy device energy absorption tension spring absorbs energy and damps vibration, and the front shaft part side impact energy device connecting rod can drive the front shaft part side impact energy device connecting rod extrusion block to move along the horizontal direction so that the front shaft part side impact energy device energy absorption tension spring absorbs energy and damps vibration.
Preferably, the front shaft part side impact energy eliminating device further comprises a front shaft part side impact energy device rigidity adjusting mechanism, the front shaft part side impact energy device rigidity adjusting mechanism comprises a front shaft part side impact energy device transverse sliding cavity arranged in the front cross beam and a front shaft part side impact energy device piston connected in the front shaft part side impact energy device transverse sliding cavity in a sliding and sealing mode, the front shaft part side impact energy device piston divides the front shaft part side impact energy device transverse sliding cavity into a first front shaft part side impact energy device cavity and a second front shaft part side impact energy device cavity, the second front shaft part side impact energy device cavity is located between the first front shaft part side impact energy device cavity and the front shaft part side impact energy device extrusion block, the first front shaft part impact energy device cavity is provided with an inflation valve, and the air pressure in the first front shaft part side impact energy device cavity is positive pressure, preceding axial region side collision energy ware horizontal pole that disappears includes that preceding axial region side collision energy ware first section and preceding axial region side collision energy ware second section disappear, preceding axial region side collision energy ware first section will vertical bumper with preceding axial region side collision energy ware piston connection together disappears, preceding axial region side collision energy ware second section will preceding axial region side collision energy ware piston links together with preceding axial region side collision energy ware extrusion piece that disappears, be equipped with preceding axial region lateral sliding groove on the front axle with preceding axial region side collision energy ware connecting block that disappears is located in the preceding axial region lateral sliding groove, be connected with on the front axle and disappear the side collision energy ware connecting block fixed establishment with preceding axial region side collision energy ware connecting block in preceding axial region lateral sliding groove. During the use, through aerifing the in-process that the air pressure that changes the front axle part in the first cavity of energy ware is hit to the side to the front axle part disappears to the first cavity of energy ware and realize adjusting rigidity for the front axle part disappears, front axle part disappears and hits the fixed action that energy ware connecting block was hit to the side to the energy ware fixed establishment loosens, thereby the air pressure change in the first cavity of energy ware is hit to the side to the front axle part disappears makes the initial position change that the energy ware extrusion piece was hit to the side to the front axle part disappears and hits the change of the initial energy storage of energy ware energy absorption extension spring is hit to the side to the front axle part disappears, thereby play the effect of the rigidity when changing the vehicle and carrying out the damping. After the adjustment, the front shaft part side impact eliminating energy device is fixed on the front shaft again. The damping rigidity of the existing automobile after leaving the factory cannot be changed, and the damping rigidity of the automobile after leaving the factory can be changed without changing the height of the automobile by the technical scheme. .
Preferably, the front shaft side impact-eliminating energy device connecting block fixing mechanism comprises a front shaft threaded through hole formed in a side wall of the front shaft transverse sliding groove, and a front shaft tightening bolt which is in threaded connection with the front shaft threaded through hole and used for pressing the front shaft side impact-eliminating energy device connecting block into the front side sliding groove.
As preferred, the front shaft part side impact energy eliminating device further comprises a brake cooling mechanism, a front brake disc is connected to the wheel connecting sleeve, the brake cooling mechanism comprises an outlet end facing towards an air blowing pipe of the front brake disc, an opening and a sliding seal connected to the side wall of the front shaft part side impact energy eliminating device transverse sliding cavity are sealed in the front shaft part side impact energy eliminating device transverse sliding cavity, the opening is a sliding plate with an air outlet, the sliding plate is connected with the front shaft part side impact energy eliminating device connecting block through a synchronizing rod, the air pressure of the first cavity of the front shaft part side impact energy eliminating device is set to be reset, the piston of the front shaft part side impact energy eliminating device is sealed and blocked at 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, the lower end of the rod body is connected with the bridge shell part side impact prevention energy device connecting block. The vibration received by the wheel in the running process causes the piston seal of the front shaft part side impact-eliminating energy device to move and reset, and the moving distance reaches the state that when the air outlet is exposed, the compressed air in the first cavity of the front shaft part side impact-eliminating energy device flows out through the air blowing pipe and is blown to the front brake disc to cool the front brake disc. According to the technical scheme, the vibration energy can be utilized to control the outflow of gas so as to cool the brake disc to prevent the brake disc from being overheated to influence the braking effect.
The invention also comprises a water tank, the front shaft part side-collision energy eliminating device also 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, the valve body is internally provided with a cylindrical surface flow passage, a conical surface flow passage with a large diameter end butted with the cylindrical surface flow passage, a fluid outlet butted with a small diameter end of the conical surface flow passage and a liquid inlet 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 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 and sealing manner and seals the liquid inlet, the valve core is provided with a liquid flow passage which is communicated with the conical surface flow passage from the circumferential surface facing one end of the conical surface flow passage, the liquid inlet is connected with the water tank through a liquid inlet pipe; and an opening of the valve core moving liquid flow channel, which is positioned on the peripheral surface of the valve core, is communicated with the liquid inlet under the action of jet flow generated when gas flows out from the outlet end of the gas inlet section. When the vehicle vibrates in the running process to enable the gas of the first cavity of the energy device for eliminating side collision of the front shaft part to flow out through the gas outlet and the gas inlet section, the jet flow effect generated when the gas flows out from the outlet end of the gas inlet section drives the valve core to move the liquid flow channel to form an opening and a liquid inlet on the peripheral surface of the valve core, so that the water in the water tank is blown to a front brake disc along with the gas 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. This technical scheme makes the water in the water tank also can flow out together and participate in the cooling and improve the cooling effect to the brake disc when the gas blow pipe blows, and the outflow of cooling water is also controlled through the vibration that the vehicle travel in-process produced.
Preferably, the part of the cylindrical surface flow channel, which is positioned on one side of the valve core far away from the conical surface flow channel, is provided with an air hole. The reliability of the control during opening can be improved.
Preferably, the energy-absorbing tension spring of the front shaft part side impact prevention energy device is sleeved on the cross rod of the front shaft part side impact prevention energy device; the energy absorption tension spring sleeve of the energy absorber for eliminating side impact of the bridge shell is arranged on the cross rod of the energy absorber for eliminating side impact of the bridge shell. The structure is compact and good.
As preferred, the energy ware is bumped to bridge shell portion side that disappears still includes the energy ware rigidity guiding mechanism is bumped to bridge shell portion side that disappears, energy ware rigidity guiding mechanism is bumped to bridge shell portion side that disappears including setting up the energy ware sideslip chamber is bumped to bridge shell portion side in the rear cross beam and sliding seal connects in the energy ware piston is bumped to bridge shell portion side that disappears in the energy ware sideslip chamber is bumped to bridge shell portion side, the energy ware piston is bumped to bridge shell portion side that disappears with the energy ware sideslip chamber is split into first cavity of the energy ware is bumped to bridge shell portion side that disappears and energy ware second cavity is bumped to bridge shell portion side that disappears, the energy ware second cavity is located between the first cavity of the energy ware is bumped to bridge shell portion side that disappears and the energy ware extrusion piece is bumped to bridge shell portion side, the first cavity of the energy ware that disappears to bridge shell portion side that disappears is equipped with the inflation valve and the atmospheric pressure in the first cavity of the energy ware is bumped to bridge shell portion side that disappears is the malleation, the axle housing portion side of disappearing bumps energy ware horizontal pole and includes that the axle housing portion disappears the side and bumps energy ware first section and axle housing portion and disappear the side and bump energy ware second section, the axle housing portion disappears the side and bump energy ware first section with vertical bumper is with the axle housing portion side of disappearing bumps energy ware piston and links together, the axle housing portion side of disappearing bumps energy ware second section will the axle housing portion side of disappearing bumps energy ware piston and bumps energy ware extrusion piece with axle housing portion and links together, be equipped with axle housing portion horizontal chute on the axle housing with the axle housing portion side of disappearing bumps energy ware connecting block and is located in the axle housing portion horizontal chute, be connected with on the axle housing portion and bump energy ware connecting block fixed establishment with the axle housing portion side of disappearing that the energy ware connecting block was fixed in axle housing portion horizontal chute. During the use, aerify the in-process that changes the bridge shell portion and disappear the atmospheric pressure in the side collision energy ware first cavity and realize adjusting rigidity through eliminating the side collision energy ware first cavity for the bridge shell portion, the fixed action that the energy ware connecting block was bumped to the bridge shell portion was loosened to bridge shell portion side collision energy ware connecting block fixed establishment to axle shell portion, thereby the atmospheric pressure change in the first cavity of energy ware was bumped to the side collision energy ware of axle shell portion disappears makes the initial position change that the bridge shell portion disappears the side collision energy ware extrusion piece bump the initial energy storage of energy ware energy-absorbing extension spring to the realization disappears to the bridge shell portion, thereby play the effect of the rigidity when changing the vehicle and carrying out the damping. After adjustment, the side impact energy eliminating energy of the axle housing part is fixed on the axle housing again. The damping rigidity of the existing automobile after leaving the factory cannot be changed, and the damping rigidity of the automobile after leaving the factory can be changed without changing the height of the automobile by the technical scheme. Root of herbaceous plant
Preferably, the fixing mechanism for the energy device connecting block is arranged on the side wall of the horizontal chute of the axle housing part, and the fixing mechanism for the energy device connecting block is arranged on the side wall of the horizontal chute of the axle housing part.
As preferred, the bridge shell portion energy ware that disappears and bump to side still includes brake cooling body, be connected with back brake disc on the semi-axis, brake cooling body includes the exit end orientation the gas blow pipe of back brake disc, set up and be in the bridge shell portion disappears and bumps opening and sliding seal on the lateral wall in energy ware sideslip chamber and connect and live in the bridge shell portion disappears and bumps the closure in the energy ware sideslip chamber the open-ended slide plate of establishing the gas outlet, the slide plate through the synchronizing bar with the bridge shell portion disappears and bumps the energy ware connecting block and link together, the bridge shell portion disappears and bumps the air pressure of the first cavity of energy ware when setting for resetting the bridge shell portion disappears and bump the energy ware piston shutoff in the gas outlet, the entrance point of gas blow pipe with the gas outlet is connected, the synchronizing bar includes the upper end with sleeve pipe and the body of the upper end that the slide plate linked together wear to establish in the sheathed tube lower extreme, the lower end of the rod body is connected with the bridge shell part side impact prevention energy device connecting block. The vibration received by the wheels in the running process causes the piston seal of the side impact energy eliminating device of the axle shell part to move and reset, and the moving distance reaches the state that when the air outlet is exposed, the compressed air in the first cavity of the side impact energy eliminating device of the axle shell part flows out through the air blowing pipe and blows to the rear brake disc to cool the rear brake disc. According to the technical scheme, the vibration energy can be utilized to control the outflow of gas so as to cool the brake disc to prevent the brake disc from being overheated to influence the braking effect.
The invention also comprises a water tank, the bridge shell part side-impact energy eliminating device also 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, the valve body is internally provided with a cylindrical runner, a conical runner with a large-diameter end butted with the cylindrical runner, a fluid outlet butted with a small-diameter end of the conical runner and a liquid inlet arranged on the cylindrical runner, the inlet end of the air outlet section is connected with the fluid outlet, the outlet end of the air outlet section 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, the opening direction of the air inlet section is far away from the direction of the conical runner, the valve core is connected in the cylindrical runner in a sliding and sealing manner and seals the liquid inlet, the valve core is provided with a liquid flow channel which is communicated with the conical runner and runs through the circumferential surface from the end face facing one end of the conical runner, the liquid inlet is connected with the water tank through a liquid inlet pipe; and an opening of the valve core moving liquid flow channel, which is positioned on the peripheral surface of the valve core, is communicated with the liquid inlet under the action of jet flow generated when gas flows out from the outlet end of the gas inlet section. When the vehicle vibrates in the running process to enable the gas of the first cavity of the energy device for eliminating side collision of the front shaft part to flow out through the gas outlet and the gas inlet section, the jet flow effect generated when the gas flows out from the outlet end of the gas inlet section drives the valve core to move the liquid flow channel to form an opening and a liquid inlet on the peripheral surface of the valve core, so that the water in the water tank is blown to a front brake disc along with the gas 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. This technical scheme makes the water in the water tank also can flow out together and participate in the cooling and improve the cooling effect to the brake disc when the gas blow pipe blows, and the outflow of cooling water is also controlled through the vibration that the vehicle travel in-process produced.
Preferably, the part of the cylindrical surface flow channel, which is positioned on one side of the valve core far away from the conical surface flow channel, is provided with an air hole. The reliability of the control during opening can be improved.
The invention has the following advantages: the side impact resistance is good; the vehicle body is not extruded in the side collision process within the set range; the shock absorber that extends and contracts in the vertical direction can absorb side impact energy.
Drawings
FIG. 1 is a schematic bottom view of the present invention;
FIG. 2 is a cross-sectional schematic view taken in cross-section from the axle housing;
FIG. 3 is a cross-sectional view of the front axle in cross-section;
fig. 4 is an enlarged cross-sectional schematic view of the control valve.
In the figure: axle housing 1, front axle 2, shock absorber 3, front cross beam 4, rear cross beam 5, longitudinal beam 6, water tank 7, reducer mounting cavity 8, reducer 9, half axle mounting channel 10, half axle 11, rear wheel 12, rear brake disc 13, knuckle 14, bearing 15, wheel connecting sleeve 16, front wheel 17, front brake disc 18, longitudinal bumper 19, front axle side impact energy absorber transverse chute 210, front axle side impact energy absorber energy absorbing tension spring 212, front axle side impact energy absorber extrusion block 213, front axle side impact energy absorber upper longitudinal spindle head 214, front axle side impact energy absorber connecting rod 215, front axle side impact energy absorber lower longitudinal spindle head 216, front axle side impact energy absorber connecting block 217, front axle transverse chute 218, front axle side impact energy absorber connecting block fixing mechanism 219, front threaded through hole 220, front jacking bolt 221, front side impact energy absorber cross beam 222, front axle side impact energy absorber connecting block 217, front axle transverse chute 218, front axle side impact energy absorber connecting block fixing mechanism 219, front threaded through hole 220, front jacking bolt 221, front jacking bolt, Front axle side impact energy absorber piston 223, front axle side impact energy absorber first cavity 224, front axle side impact energy absorber second cavity 225, front axle side impact energy absorber first section 226, front axle side impact energy absorber second section 227, gas blow tube 228, opening 229, gas outlet 230, slide plate 231, control valve 232, synchronizing rod 233, gas outlet section 234, gas inlet section 235, valve body 211, valve core 236, valve core return spring 237, cylindrical runner 238, conical runner 239, fluid outlet 240, fluid inlet 241, fluid flow channel 242, fluid inlet tube 243, gas vent 244, opening 245 of fluid flow channel on valve core periphery, axle housing side impact energy absorber transverse runner 310, axle housing side impact energy absorber tension spring 312, axle housing side impact energy absorber extrusion block 313, axle housing side impact energy absorber upper longitudinal axle head 314, axle housing side impact energy absorber connecting rod 315, axle housing side impact energy absorber lower longitudinal axle head 316, The energy device comprises an energy device connecting block 317 for eliminating side impact of an axle housing part, an axle housing part transverse sliding groove 318, an energy device connecting block fixing mechanism 319 for eliminating side impact of the axle housing part, an axle housing part threaded through hole 320, an axle housing part jacking bolt 321, an axle housing part side impact eliminating energy device cross rod 322, an axle housing part side impact eliminating energy device piston 323, an axle housing part side impact eliminating energy device first cavity 324, an axle housing part side impact eliminating energy device second cavity 325, an axle housing part side impact eliminating energy device first section 326 and an axle housing part side impact eliminating energy device second section 327.
Detailed Description
The present invention will be described in detail with reference to the following drawings and examples.
Referring to fig. 1 to 4, the automobile bridge with the body shock absorber absorbing the side impact energy comprises an axle housing 1, a front axle 2, a shock absorber 3 and a frame. The frame comprises a front cross beam 4 and a rear cross beam 5, and a longitudinal beam 6 for connecting the front cross beam and the rear cross beam together. The frame is connected with a water tank 7. And a speed reducer mounting cavity 8 is arranged in the middle of the axle housing. The reducer 9 is arranged in the reducer mounting 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 arranged in the half shaft mounting channel in a penetrating way. The outer end of the half shaft is connected with a rear wheel 12 and a rear brake disc 13 (the rear brake disc cooperates with a rear brake caliper to brake the rear wheel). The front axle is connected at both ends with knuckles 14. The knuckle is connected with a wheel connecting sleeve 16 through a bearing 15. The wheel connecting sleeve is connected with a front wheel 17 and a front brake disc 18 (the front brake disc is matched with a front brake caliper to brake the front wheel). The invention also comprises 2 longitudinal bumpers 19 distributed on both sides of the frame. Both ends of the front cross beam are respectively supported at both 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 cross beam through the front shaft part side impact energy eliminating device, and the rear end of the longitudinal bumper is connected with the rear cross beam through the bridge shell part side impact energy eliminating device.
The front shaft side impact elimination energy device comprises a front shaft side impact elimination energy device transverse sliding groove 210 arranged in the middle of the front cross beam, a transversely telescopic front shaft side impact elimination energy device energy absorption tension spring 212 arranged in the annular sliding groove, a front shaft side impact elimination energy device extrusion block 213 connected in the front shaft side impact elimination energy device transverse sliding groove in a sliding mode, a front shaft side impact elimination energy device connecting rod 215 with the upper end hinged to the front shaft side impact elimination energy device extrusion block through a front shaft side impact elimination energy device upper longitudinal shaft head 214, and a front shaft side impact elimination energy device connecting block 217 hinged to the lower end of the front shaft side impact elimination energy device connecting rod through a front shaft side impact energy device lower longitudinal shaft head 216. The front axle is provided with a front axle transverse sliding groove 218 and a front axle side impact-eliminating energy device connecting block which is positioned in the front axle transverse sliding groove. The front shaft is connected with a front shaft side impact-eliminating energy device connecting block fixing mechanism 219 for fixing the front shaft side impact-eliminating energy device connecting block in the front shaft transverse sliding groove. The front shaft part side impact prevention energy device connecting block fixing mechanism comprises a front shaft part threaded through hole 220 arranged on the side wall of the front shaft part transverse sliding groove and a front shaft part jacking bolt 221 which is in threaded connection with the front shaft part threaded through hole and used for tightly pressing the front shaft part side impact prevention energy device connecting block in the front side part sliding groove. The front shaft part side impact-eliminating energy device connecting rod is inclined in a state that the lower end of the front shaft part side impact-eliminating energy device connecting rod is far away from the upper end of the middle part of the front shaft and faces to the middle part of the front cross beam. The front shaft side impact energy absorber crush boxes are connected to the longitudinal bumper by front shaft side impact energy absorber cross bar 222. The front shaft part side impact prevention energy device extrusion block and one end of a front shaft part side impact prevention energy device energy absorption tension spring are fixedly connected with the other end of the front shaft part side impact prevention energy device energy absorption tension spring and fixed with the front cross beam. The energy absorption tension spring of the front shaft part side impact prevention energy device is sleeved on the cross rod of the front shaft part side impact prevention energy device. When the extrusion block of the front shaft side impact prevention energy device slides towards the middle part of the front beam, the front shaft side impact prevention energy device energy absorption tension spring is driven to deform to absorb energy. The front shaft part side impact eliminating energy device also comprises a rigidity adjusting mechanism of the front shaft part side impact eliminating energy device. The front axle side impact prevention energy device stiffness adjustment mechanism comprises a front axle side impact prevention energy device cross slide cavity arranged in the front cross beam and a front axle side impact prevention energy device piston 223 connected in a sliding and sealing mode in the front axle side impact prevention energy device cross slide cavity. The front axle side impact damper piston divides the front axle side impact damper cross-slide cavity into a front axle side impact damper first cavity 224 and a front axle side impact damper second cavity 225. The front shaft part side impact eliminating energy device second cavity is positioned between the front shaft part side impact eliminating energy device first cavity and the front shaft part side impact eliminating energy device extrusion block. The first cavity of the front shaft side impact energy eliminating device is provided with an inflation valve (when in use, the first cavity of the front shaft side impact energy eliminating device is inflated and deflated through the inflation valve to change air pressure), and the air pressure in the first cavity of the front shaft side impact energy eliminating device is positive pressure. The front axle side impact energy dissipating crossbar includes a front axle side impact dissipating energy dissipating first section 226 and a front axle side impact dissipating energy dissipating second section 227. The front shaft part side impact eliminating energy device comprises a front shaft part side impact eliminating energy device extrusion block, a front shaft part side impact eliminating energy device piston, a front shaft part side impact eliminating energy device first section and a front shaft part side impact eliminating energy device second section, wherein the front shaft part side impact eliminating energy device piston is connected with the front shaft part side impact eliminating energy device extrusion block together, and the front shaft part side impact eliminating energy device further comprises a brake cooling mechanism. The brake cooling mechanism comprises an air blow pipe 228, an opening 229 arranged on the side wall of the front shaft part side impact prevention energy device transverse sliding cavity, a sliding plate 231 which is connected with the front shaft part side impact prevention energy device transverse sliding cavity in a sliding and sealing mode and is provided with an air outlet 230 and a control valve 232, wherein the air outlet 230 is sealed and connected with the front shaft part side impact prevention energy device transverse sliding cavity. The slide plate is connected with the front shaft side impact-eliminating energy device connecting block through a synchronizing rod 233. When the air pressure of the first cavity of the front shaft part side impact eliminating energy device is in the set reset state, the front shaft part side impact eliminating energy device piston blocks the air outlet. The gas sparge pipe includes an outlet section 234 and an inlet section 235. The control valve includes a valve body 211, a spool 236, and a spool return spring 237. The valve body is 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 of the air outlet section is connected with the fluid outlet, 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 of the air inlet section is positioned in the fluid outlet, and the opening direction of the air inlet section is far away from the direction of the conical surface flow channel. The valve core is connected in the cylindrical surface flow passage in a sliding and sealing mode and seals the liquid inlet. The valve core is provided with a liquid flow channel 242 which penetrates through the peripheral surface from the end surface facing one end of the conical surface flow channel and is used for communicating the liquid inlet with the conical surface flow channel. The liquid inlet is connected with the water tank through a liquid inlet pipe 243. The valve core is driven by the jet effect generated when gas flows out from the outlet end of the gas inlet section to move to an opening 245 of the liquid flow channel on the peripheral surface of the valve core to be communicated with the liquid inlet. The part of the cylindrical surface flow passage, which is positioned at one side of the valve core far away from the conical surface flow passage, is provided with an air hole 244. The synchronizing bar comprises a sleeve with the upper end connected with the sliding plate and a bar body with the upper end penetrating through the lower end of the sleeve, and the lower end of the bar body is connected with the bridge shell part side impact energy eliminating device connecting block.
The energy device for eliminating side impact of the bridge shell comprises a transverse sliding chute 310 of the energy device for eliminating side impact of the bridge shell, a transverse telescopic energy device energy absorption tension spring 312 of the energy device for eliminating side impact of the bridge shell, an extrusion block 313 of the energy device for eliminating side impact of the bridge shell, a connecting rod 315 of the energy device for eliminating side impact of the bridge shell, the upper end of which is hinged on the extrusion block of the energy device for eliminating side impact of the bridge shell through an upper longitudinal shaft head 314 of the energy device for eliminating side impact of the bridge shell, and a connecting block 317 of the energy device for eliminating side impact of the bridge shell, which is hinged on the lower end of the connecting rod of the energy device for eliminating side impact of the bridge shell through a lower longitudinal shaft head 316 of the energy device for eliminating side impact of the bridge shell. Be equipped with the horizontal spout 318 of axle housing portion and eliminate the side and bump the energy ware connecting block and be located the horizontal spout of axle housing portion on the axle housing. The axle housing is connected with an axle housing side impact energy absorber connecting block fixing mechanism 319 which fixes the axle housing side impact energy absorber connecting block in the axle housing side sliding groove. The fixing mechanism for the connecting block of the energy device for eliminating side impact of the bridge shell comprises a threaded through hole 320 of the bridge shell on the side wall of the transverse sliding groove of the bridge shell, and a jacking bolt 321 of the bridge shell, which is connected in the threaded through hole of the bridge shell and used for eliminating side impact of the bridge shell and is used for compressing the connecting block of the energy device in the sliding groove of the front side part. The axle housing part side impact energy eliminating device connecting rod 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 axle housing and faces the middle part of the rear cross beam. The bridge shell side impact energy eliminating device extrusion block is connected with the longitudinal bumper through a bridge shell side impact energy eliminating device cross bar 322. The side impact energy eliminating energy device extrusion block of the axle housing part and one end of the side impact energy device energy absorbing tension spring of the axle housing part are fixedly connected with the other end of the side impact energy device energy absorbing tension spring of the axle housing part and fixed with the rear cross beam. The bridge shell side impact energy eliminating device energy absorption tension spring is sleeved on the bridge shell side impact energy eliminating device cross rod. When the extrusion block of the side impact prevention energy device of the bridge shell slides towards the middle part of the rear cross beam, the energy absorption tension spring of the side impact prevention energy device of the bridge shell deforms to absorb energy. The bridge shell side impact energy eliminating device further comprises a rigidity adjusting mechanism of the bridge shell side impact energy eliminating device. The rigidity adjusting mechanism of the energy device for eliminating side impact of the bridge shell comprises a cross sliding cavity of the energy device for eliminating side impact of the bridge shell arranged in the rear cross beam and a piston 323 of the energy device for eliminating side impact of the bridge shell, wherein the piston 323 is connected in the cross sliding cavity of the energy device for eliminating side impact of the bridge shell in a sliding and sealing mode. The axle housing side impact energy elimination energy device piston divides the axle housing side impact energy elimination energy device cross slide cavity into an axle housing portion side impact energy elimination energy device first cavity 324 and an axle housing portion side impact energy elimination energy device second cavity 325. The second cavity of the energy absorber for eliminating side impact of the bridge shell part is positioned between the first cavity of the energy absorber for eliminating side impact of the bridge shell part and the extrusion block of the energy absorber for eliminating side impact of the bridge shell part. The first cavity of the energy device for eliminating side impact of the axle housing part is provided with an inflation valve (when in use, the first cavity of the energy device for eliminating side impact of the axle housing part is inflated and deflated through the inflation valve so as to change air pressure), and the air pressure in the first cavity of the energy device for eliminating side impact of the axle housing part is positive pressure. The axle housing side impact energy dissipating beam includes an axle housing side impact energy dissipating first section 326 and an axle housing side impact energy dissipating second section 327. The first section of the energy device for eliminating side impact of the axle housing part connects the longitudinal bumper with the piston of the energy device for eliminating side impact of the axle housing part, and the second section of the energy device for eliminating side impact of the axle housing part connects the piston of the energy device for eliminating side impact of the axle housing part with the extrusion block of the energy device for eliminating side impact of the axle housing part.
The bridge shell side impact energy eliminating device further comprises a brake cooling mechanism. The structure of the brake cooling mechanism in the axle housing part side impact energy eliminating device is the same as that of the vehicle cooling mechanism in the front shaft part side impact energy eliminating device, and a repeated description is omitted.
Claims (3)
1. An automobile bridge frame capable of absorbing side impact energy through an automobile body shock absorber during side impact comprises an axle housing, a front shaft, a shock absorber and a frame, wherein a speed reducer installation cavity is arranged in the middle of the axle housing, two half shaft installation channels penetrating through two end faces of the axle housing in a one-to-one correspondence mode are arranged in the speed reducer installation cavity, half shafts penetrate through the half shaft installation channels, and the outer ends of the half shafts 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 automobile chassis is characterized by further comprising 2 longitudinal bumpers distributed on two sides of the automobile chassis, wherein the automobile chassis comprises a front cross beam and a rear cross beam, two ends of the front cross beam are respectively supported at two ends of the front shaft through one shock absorber, two ends of the rear cross beam are respectively supported at two ends of the axle housing through one shock absorber, the front end of each longitudinal bumper is connected with the front cross beam through a front shaft part side impact energy absorber, and the rear end of each longitudinal bumper is connected with the rear cross beam through an axle housing part side impact energy absorber; the front shaft part side collision elimination energy device comprises a front shaft part side collision elimination energy device transverse sliding groove arranged in the middle part of the front cross beam, a front shaft part side collision elimination energy device energy absorption tension spring which is arranged in an annular sliding groove and extends along the transverse direction, a front shaft part side collision elimination energy device extrusion block which is connected in a sliding way in the front shaft part side collision elimination energy device transverse sliding groove, a front shaft part side collision elimination energy device connecting rod of which the upper end is hinged on the front shaft part side collision elimination energy device extrusion block through a longitudinal shaft head on the front shaft part side collision elimination energy device, and a front shaft part side collision elimination energy device connecting block which is hinged on the lower end of the front shaft part side collision elimination energy device connecting rod through a longitudinal shaft head under the front shaft part side collision elimination energy device, wherein the front shaft part side collision elimination energy device connecting block is connected with the front shaft together, the front shaft part side collision elimination energy device connecting rod is inclined towards the state of the middle part of the front cross beam with the lower end far away from the middle part of the front shaft, the front shaft part side impact prevention energy device extrusion block is connected with the longitudinal bumper through a front shaft part side impact prevention energy device cross rod, the front shaft part side impact prevention energy device extrusion block is connected with one end of the front shaft part side impact prevention energy device energy absorption tension spring, and the front shaft part side impact prevention energy device extrusion block drives the front shaft part side impact prevention energy device energy absorption tension spring to deform and absorb energy when sliding towards the middle part of the front cross beam; the energy device is bumped to bridge shell portion side that disappears including setting up axle shell portion in the rear cross beam middle part side that disappears bumps energy device horizontal chute, set up in annular chute along the axle shell portion side that disappears of horizontal flexible bump energy device energy-absorbing extension spring, sliding connection the bridge shell portion side that disappears in the energy device horizontal chute is bumped to bridge shell portion side that disappears bumps energy device extrusion piece, the upper end bumps energy device connecting rod through bridge shell portion side that disappears on the energy device is bumped to bridge shell portion side that disappears through longitudinal spindle nose hinge on the energy device extrusion piece of bridge shell portion side that disappears and bumps energy device connecting block through bridge shell portion side that disappears and hinges the bridge shell portion side that disappears on the lower extreme of energy device connecting rod that disappears through longitudinal spindle nose under the energy device that disappears, the bridge shell portion side that disappears bumps energy device connecting block with the axle shell portion side that disappears links together with the axle shell portion, the bridge shell portion side that disappears bumps energy device connecting rod with the lower extreme keeps away from the middle part upper end of axle shell portion and inclines towards the state in the middle part of front cross beam middle part, bridge shell portion side collision energy ware extrusion piece that disappears through bridge shell portion side collision energy ware horizontal pole with vertical bumper links together, bridge shell portion side collision energy ware extrusion piece that disappears with bridge shell portion side collision energy ware energy absorption extension spring's one end links together, bridge shell portion side collision energy ware extrusion piece that disappears drives when sliding towards the middle part of rear beam bridge shell portion side collision energy ware energy absorption extension spring deformation and energy-absorbing front shaft portion side collision energy ware that disappears still includes front shaft portion side collision energy ware rigidity guiding mechanism, front shaft portion side collision energy ware rigidity guiding mechanism that disappears is in front beam front shaft portion side collision energy ware axial region and sliding seal connection front shaft portion side collision energy ware piston in the energy ware lateral sliding chamber are disappeared to front shaft portion side collision energy ware piston with front shaft portion side collision energy ware lateral sliding chamber is cut apart into the first cavity of preceding side collision energy ware and the second cavity of energy ware is disappeared to the side collision energy ware before The front shaft part side collision elimination energy device second cavity is positioned between the front shaft part side collision elimination energy device first cavity and the front shaft part side collision elimination energy device extrusion block, the front shaft part side collision elimination energy device first cavity is provided with an inflation valve, the air pressure in the front shaft part side collision elimination energy device first cavity is positive pressure, the front shaft part side collision elimination energy device cross rod comprises a front shaft part side collision elimination energy device first section and a front shaft part side collision elimination energy device second section, the front shaft part side collision energy device first section is used for connecting the longitudinal bumper with the front shaft part side collision elimination energy device piston, the front shaft part side collision energy device second section is used for connecting the front shaft part side collision energy device piston with the front shaft part side collision elimination energy device extrusion block, the front shaft part is provided with a front transverse sliding groove and the front side collision energy device connection block is positioned in the front transverse sliding groove, the front axle is connected with a front axle part side impact eliminating energy device connecting block fixing mechanism for fixing the front axle part side impact eliminating energy device connecting block in a front axle part transverse sliding groove, the front axle part side impact eliminating energy device further comprises a brake cooling mechanism, a front brake disc is connected on the wheel connecting sleeve, the brake cooling mechanism comprises an outlet end facing towards an air blowing pipe of the front brake disc, an opening and a sliding seal which are arranged on the side wall of the front axle part side impact eliminating energy device transverse sliding cavity are connected with a sliding plate of the front axle part side impact eliminating energy device transverse sliding cavity, the sliding plate is connected with the front axle part side impact eliminating energy device connecting block through a synchronizing rod, the air pressure of the first cavity of the front axle part side impact eliminating energy device is set in reset, the front axle part side impact eliminating energy device piston is sealed to block the air outlet, 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 into the lower end of the sleeve, and the lower end of the rod body is connected with the front shaft part side impact eliminating energy device connecting block; the automobile bridge frame with the automobile body shock absorber absorbing the side impact energy further comprises a water tank, the front shaft part side impact energy eliminating 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 channel, a conical surface flow channel, a fluid outlet and a liquid inlet, the conical surface flow channel, the large diameter end and the cylindrical surface flow channel are butted together, the fluid outlet and the liquid inlet are arranged on the cylindrical surface flow channel, the air outlet section is connected together with the fluid outlet, the outlet end faces the front brake disc, the air inlet section is connected together with the air outlet, the outlet end is located in the fluid outlet, the opening direction of the conical surface flow channel is far away from the direction of the conical surface flow channel, the valve core is connected in the cylindrical surface flow channel in a sliding and seals the liquid inlet, and the valve core is provided with a circumferential surface which is communicated with the end face of one end of the conical surface flow channel and is used for communicating the liquid inlet and conical surface flow channel with the conical surface flow channel The liquid inlet is connected with the water tank through a liquid inlet pipe; the valve core is driven to move to an opening of the liquid flow channel on the peripheral surface of the valve core to be communicated with the liquid inlet under the action of jet flow generated when gas flows out from the outlet end of the gas inlet section; and the part of the cylindrical surface flow channel, which is positioned at one side of the valve core far away from the conical surface flow channel, is provided with an air hole.
2. The vehicle bridge of claim 1, wherein the front axle side impact energy absorber connecting block fixing mechanism comprises a front axle threaded through hole formed in a side wall of the front axle transverse sliding groove, and a front axle tightening bolt screwed into the front axle threaded through hole and pressing the front axle side impact energy absorber connecting block into the front axle sliding groove.
3. The automobile bridge rack for absorbing side impact energy through an automobile body shock absorber during side impact generation according to claim 1, wherein the front shaft part side impact energy absorber energy absorption tension spring is sleeved on the front shaft part side impact energy absorber cross rod; the energy absorption tension spring sleeve of the energy absorber for eliminating side impact of the bridge shell is arranged on the cross rod of the energy absorber for eliminating side impact of the bridge shell.
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| Application Number | Priority Date | Filing Date | Title |
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| 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 true CN113619515A (en) | 2021-11-09 |
| CN113619515B CN113619515B (en) | 2023-08-18 |
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| 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 |
| CN202010767504.1A Active CN111994028B (en) | 2020-08-03 | 2020-08-03 | Drive axle assembly with shock absorber assisting in absorbing side impact energy |
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| CN107415588B (en) * | 2017-05-17 | 2020-12-11 | 徐州国瑞汽车配件有限公司 | 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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2020
- 2020-08-03 CN CN202111090338.7A patent/CN113619515B/en active Active
- 2020-08-03 CN CN202010767504.1A patent/CN111994028B/en active Active
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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 |
|---|---|
| CN111994028B (en) | 2021-10-29 |
| CN111994028A (en) | 2020-11-27 |
| CN113619515B (en) | 2023-08-18 |
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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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