CN114906084B - Hydraulic buffer for automobile collision - Google Patents
Hydraulic buffer for automobile collision Download PDFInfo
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- CN114906084B CN114906084B CN202210823078.8A CN202210823078A CN114906084B CN 114906084 B CN114906084 B CN 114906084B CN 202210823078 A CN202210823078 A CN 202210823078A CN 114906084 B CN114906084 B CN 114906084B
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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
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
- B60R19/20—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact containing mainly gas or liquid, e.g. inflatable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R2019/026—Buffers, i.e. bumpers of limited extent
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- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Vibration Dampers (AREA)
Abstract
The invention discloses an automobile impact hydraulic buffer, which comprises an arc-shaped plate, wherein the arc-shaped plate is provided with an arc-shaped plate-shaped hollow structure, the arc-shaped plate is arranged at the front end or the rear end of an automobile, a front baffle plate and a rear baffle plate are arranged inside the arc-shaped plate, a reinforcing sleeve is arranged on the outer side surface of the rear baffle plate, and the reinforcing sleeve is provided with a hollow columnar structure; a hydraulic buffer rod and a hydraulic cylinder are arranged inside the reinforcing sleeve, the movable end of the hydraulic buffer rod is fixedly connected to the rear baffle, an auxiliary blocking piece is arranged at the bottom of the rear baffle, the auxiliary blocking piece is provided with a blocking and protecting column, the blocking and protecting column is of a cylindrical structure, the bottom of the blocking and protecting column is of a circular truncated cone structure, the top of the blocking and protecting column is coaxially provided with a connecting column, and a first spring part is fixedly connected to the top surface of the connecting column; according to the invention, the hydraulic cylinder and the hydraulic buffer rod are controlled by the vehicle speed sensor and the main controller to drive the arc-shaped plate to move, so that the longitudinal collapse area of the front end or the rear end of the automobile is increased or reduced, and the safety of the automobile in high-speed running or the stability of the automobile in low-speed running is improved.
Description
Technical Field
The invention relates to the technical field of automobile anti-collision buffer equipment, in particular to an automobile collision hydraulic buffer.
Background
With the steady development and progress of scientific technology, the travel modes of people become more diversified gradually, the automobile is taken as one of more convenient travel tools, the automobile industry is in the prosperous period of the technical development of the automobile at present, but with the rapid increase of the holding capacity of the automobile, the traffic accidents in the big and small sizes are countless, and in order to improve the safety of the automobile in the driving process, the automobile is internally or externally provided with necessary safety parts during manufacturing and production so as to ensure the personal safety of personnel in the automobile as much as possible when the accidents happen.
The invention discloses a telescopic longitudinal beam and an automobile (CN 102490788B) provided with the telescopic longitudinal beam, which comprises an outer longitudinal beam fixedly connected to an automobile body and an inner longitudinal beam connected with the outer longitudinal beam, wherein a driving mechanism capable of enabling the inner longitudinal beam to longitudinally slide along the outer longitudinal beam and a locking mechanism capable of enabling the inner longitudinal beam to be fixed relative to the outer longitudinal beam are arranged between the inner longitudinal beam and the outer longitudinal beam, a control circuit respectively connected with the driving mechanism and the locking mechanism is also arranged on the automobile body, the invention also comprises telescopic longitudinal beams arranged on two sides of the automobile body, an anti-collision beam is arranged at the front end of the inner longitudinal beam, and an energy absorption box is arranged between the anti-collision beam and the automobile body.
Disclosure of Invention
The invention aims to provide an automobile impact hydraulic buffer to solve the problems that the conventional automobile longitudinal collapse area is inflexible and variable, the bottom of the automobile is easy to scratch, a collapse area is easy to destructively damage, and the attention of a driver cannot be brought to the automobile when the collision sound is small.
In order to achieve the purpose, the invention provides the following technical scheme: the hydraulic buffer for automobile collision comprises an arc-shaped plate, wherein the arc-shaped plate is of an arc-shaped plate-shaped hollow structure, the arc-shaped plate is arranged at the front end or the rear end of an automobile, a front baffle plate and a rear baffle plate are arranged inside the arc-shaped plate, a reinforcing sleeve is arranged on the outer side surface of the rear baffle plate, and the reinforcing sleeve is of a hollow columnar structure; the buffer assembly is arranged between the front baffle and the rear baffle; the jacking assembly is arranged on the inner wall of the reinforcing sleeve; the hydraulic buffer rod and the hydraulic cylinder are arranged inside the reinforcing sleeve, the movable end of the hydraulic buffer rod is fixedly connected to the rear baffle, the hydraulic cylinder is fixedly connected to the automobile beam, the auxiliary blocking piece is arranged at the bottom of the rear baffle and provided with a blocking and protecting column, the blocking and protecting column is of a cylindrical structure, the bottom of the blocking and protecting column is of a round table structure, a connecting column is coaxially arranged at the top of the blocking and protecting column, a first spring part is fixedly connected to the top surface of the connecting column, and the other end of the first spring part is obliquely and fixedly connected to the bottom of the rear baffle;
the automobile impact hydraulic buffer transmits a speed change signal or an obstacle avoidance signal to the main controller by using the speed sensor or the distance sensor, and then the main controller controls the hydraulic cylinder and the hydraulic buffer rod to drive the arc-shaped plate to move, so that the longitudinal collapse area of the front end or the rear end of the automobile is increased or reduced, and the safety of the automobile in high-speed running or the stability of the automobile in low-speed running is improved;
the auxiliary stopper is arranged at the bottom of the rear baffle of the arc-shaped plate, so that on one hand, the scratch damage degree of a chassis or the arc-shaped plate of an automobile passing through a rugged road section can be reduced through the auxiliary stopper, specifically, when the automobile passes through the rugged road section, a movable column of the auxiliary stopper can be firstly contacted with the ground, and the first spring part and the connecting column which are arranged on the auxiliary stopper can buffer impact force and simultaneously generate noise to remind a driver that the chassis or the vehicle is easy to wear or rollover risk of the road section and the driver needs to carefully drive, so that the scratch of the bottom of the automobile and the road surface is avoided; on the other hand, when the arc-shaped plate is impacted positively, in the process of longitudinal collapse, the obliquely arranged auxiliary blocking piece can selectively transmit impact energy to the ground or the tire of the vehicle along with the magnitude and the direction of the impact force, namely, the transmission direction of partial impact force is changed, so that the impact force borne by the front face of the vehicle is consumed, and the phenomenon that strong impact force directly impacts the cab to endanger the safety of personnel or directly damage important parts in the vehicle is avoided.
The buffer assembly is provided with a buffer block, the buffer block is provided with a round table-shaped structure, a buffer cylinder is arranged below the buffer block, the buffer cylinder is provided with a hollow cylinder structure with a wide upper part and a narrow lower part, the upper end surface of the buffer cylinder is concave, the inner upper part of the buffer cylinder is provided with an annular cavity, the inner lower part of the buffer cylinder is provided with an inner reinforcing sleeve, the outer wall surface of the inner reinforcing sleeve is attached to the inner wall surface of the buffer cylinder, an inner reinforcing column is coaxially arranged inside the inner reinforcing sleeve, the inner reinforcing column is provided with a T-shaped structure, and a first spring part is arranged on the inner reinforcing column;
on one hand, after the arc-shaped plate is impacted and deformed, the contact area between the arc-shaped plate and the front baffle plate is increased, and then a plurality of stress points are formed by utilizing a plurality of buffer assemblies arranged behind the front baffle plate to consume the impact force borne by the front baffle plate; on the other hand, the buffering cylinder is preferred to be selected for use flexible material and the annular cavity material thickness is on the small side around, the inside annular cavity of buffering cylinder receives the collision and can extrude its inside air rapidly in collision in-process, cause the fracture and the sounding of annular cavity, when the less occurence of failure of collision sound, can improve navigating mate's attention with this, along with the fracture of annular cavity, the inside enhancement post of buffer block is close to, until rather than the butt, utilize the second spring part to cushion the shock attenuation afterwards, and then improved the stable connection of whole buffering subassembly and backplate, avoid collision in-process buffering subassembly to appear becoming flexible, the skew, the problem that drops, and then avoid appearing too much clearance between preceding baffle and the backplate, reduce the absorbing effect of buffering subassembly to collision energy.
The jacking assembly is provided with a first auxiliary hydraulic rod which is fixedly connected to the inner side wall of the reinforcing sleeve, and the movable end of the first auxiliary hydraulic rod is fixedly connected with a first jacking block;
the jacking assembly is provided with a second auxiliary hydraulic rod, a sliding groove is formed in the inner side wall of the reinforcing sleeve, the second auxiliary hydraulic rod is connected to the sliding groove in a sliding mode, and the movable end of the second auxiliary hydraulic rod is fixedly connected with a second jacking block;
the jacking assembly is arranged on the inner wall of the reinforcing sleeve, on one hand, the jacking assembly can help to exert a butt locking effect on the hydraulic buffer rod and can change the transmission direction of impact force and reduce the damage degree of the automobile crumple zone, specifically, the jacking assembly is controlled by the main controller, when the vehicle speed sensor transmits a vehicle speed change signal to the main controller, the main controller controls the hydraulic cylinder to work to enable the hydraulic cylinder to push the arc plate to move forwards or backwards, the main controller simultaneously controls the first auxiliary hydraulic rod and the second auxiliary hydraulic rod to jack, so that the first jacking block and the second jacking block can generate large friction force on the hydraulic buffer rod in contact with the first jacking block and the second jacking block, the butt locking effect is realized, and the bottom of the hydraulic buffer rod can be subjected to resistance from the jacking assembly when the hydraulic buffer rod is impacted and moves backwards, in other words, the jacking assembly can transmit the stress of the hydraulic buffer rod to different directions through the first auxiliary hydraulic rod and the second auxiliary hydraulic rod while stabilizing the hydraulic buffer rod, so as to reduce the damage of the impact force on the automobile crumple zone;
on the other hand, the first jacking block is fixed on the inner side wall of the reinforcing sleeve, the second jacking block can slide in the chute along with the second auxiliary hydraulic rod, the distance between the first jacking block and the second jacking block changes along with the expansion of the hydraulic buffer rod, specifically, when the hydraulic buffer rod is contracted to be shortest, the second jacking block slides towards the direction close to the first jacking block, when the hydraulic buffer rod is expanded to be longest, the second jacking block slides towards the direction far away from the first jacking block, so that the second jacking block can support the movable end of the hydraulic buffer rod, and the problem that the expansion of the movable end of the hydraulic buffer rod is difficult due to the influence of shearing force from an arc-shaped plate is avoided; on the other hand, the jacking assembly also ensures the levelness of the hydraulic buffer rod in the telescopic process, namely, the situation that the end part of the hydraulic buffer rod deviates downwards under the influence of gravity when the hydraulic buffer rod extends to the maximum length to cause the position deviation of the arc-shaped plate is avoided; wherein, first jacking piece and second jacking piece are preferred to be selected for use flexible materials such as rubber, and can not cause the damage to it again when can produce great frictional force between the hydraulic buffer pole of metal material.
The bottom of the rear baffle is provided with a mudguard; the middle part of automotive frame is equipped with main control unit and speed sensor, main control unit and speed sensor electric connection, main control unit and pneumatic cylinder electric connection.
A distance sensor is arranged in the middle of the automobile frame and is electrically connected with the main controller;
when the automobile runs at a low speed or a constant speed, as the vehicle speed sensor possibly has a perception error to the weak change of the vehicle speed, obstacle avoidance information needs to be transmitted to the main controller through the distance sensor, and then the main controller adjusts the position of the arc-shaped plate according to the obstacle avoidance distance so as to ensure that the crumple area of the automobile is within a proper range.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the automobile impact hydraulic buffer, a speed change signal or an obstacle avoidance signal is transmitted to a main controller by using a speed sensor or a distance sensor, and then the main controller controls a hydraulic cylinder and a hydraulic buffer rod to drive an arc plate to move, so that the longitudinal collapse area of the front end or the rear end of an automobile is increased or reduced, and the safety of the automobile in high-speed running or the stability of the automobile in low-speed running is improved;
2. according to the automobile impact hydraulic buffer, through the design of the auxiliary stopper, the scratch damage degree of a chassis or an arc plate of an automobile passing through a rugged road section can be reduced through the auxiliary stopper, and when the arc plate is impacted in the front, strong impact force can be prevented from directly impacting a cab through the auxiliary stopper, so that the safety of personnel is endangered or important parts in the automobile are directly damaged;
3. according to the automobile impact hydraulic buffer, through the design of the buffer assembly, when an accident with small impact sound occurs, the attention of a driver can be improved, the stable connection of the whole buffer assembly and the rear baffle can also be improved, the problems of looseness, deviation and falling of the buffer assembly in the collision process are avoided, further, excessive gaps between the front baffle and the rear baffle are avoided, and the absorption effect of the buffer assembly on collision energy is reduced;
4. the automobile impact hydraulic buffer has the advantages that the jacking component is arranged, so that the hydraulic buffer rod can be abutted and locked, the transmission direction of impact force can be changed, and the damage degree of an automobile crumple zone is reduced;
5. this car striking hydraulic buffer can make the design that self can slide in the spout along with the flexible of hydraulic buffer pole through the second jacking piece, makes the second jacking piece can play the supporting role to the expansion end of hydraulic buffer pole, avoids the hydraulic buffer pole expansion end to receive the influence from the shearing force of arc, causes its problem of flexible difficulty.
Drawings
FIG. 1 is a sectional view of a portion of a hydraulic shock absorber for a vehicle crash provided in accordance with the present invention;
FIG. 2 is a side sectional view of a portion of a hydraulic shock absorber for a vehicle crash provided in accordance with the present invention;
FIG. 3 is a schematic structural view of the jacking assembly shown in FIG. 2;
FIG. 4 is a schematic structural view of the cushioning assembly shown in FIG. 1;
FIG. 5 is a partial cross-sectional view of the cushioning assembly shown in FIG. 4;
FIG. 6 is a schematic view of the auxiliary stopper shown in FIG. 2.
In the figure: 1. an arc-shaped plate; 11. a front baffle; 12. a tailgate; 13. a fender; 14. an auxiliary stopper; 15. a guard post; 16. a first spring member; 17. connecting columns; 18. a hydraulic buffer rod; 19. a hydraulic cylinder; 110. a reinforcing sleeve; 111. a vehicle frame; 112. a chute; 2. A buffer assembly; 21. a buffer block; 22. a buffer cylinder; 23. an annular cavity; 24. an inner reinforcing column; 25. an inner reinforcement sleeve; 26. a second spring member; 3. a jacking assembly; 31. a first auxiliary hydraulic lever; 32. a second auxiliary hydraulic rod; 33. a first jacking block; 34. a second jacking block; 4. a main controller; 5. a vehicle speed sensor; 6. a distance sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2 and 5, the hydraulic buffer for automobile collision comprises an arc plate 1, wherein the arc plate 1 has a hollow structure in the shape of the arc plate 1, the arc plate 1 is arranged at the front end or the rear end of an automobile, a front baffle 11 and a rear baffle 12 are arranged inside the arc plate 1, a reinforcing sleeve 110 is arranged on the outer side surface of the rear baffle 12, and the reinforcing sleeve 110 has a hollow columnar structure; the buffer assembly 2 is arranged between the front baffle plate 11 and the rear baffle plate 12; the jacking component 3 is arranged on the inner wall of the reinforcing sleeve 110; a hydraulic buffer rod 18 and a hydraulic cylinder 19 are arranged inside the reinforcing sleeve 110, the movable end of the hydraulic buffer rod 18 is fixedly connected to the rear baffle plate 12, the hydraulic cylinder 19 is fixedly connected to the automobile beam 111, an auxiliary blocking piece 14 is arranged at the bottom of the rear baffle plate 12, the auxiliary blocking piece 14 is provided with a blocking and protecting column 15, the blocking and protecting column 15 is of a cylindrical structure, the bottom of the blocking and protecting column 15 is of a circular truncated cone structure, a connecting column 17 is coaxially arranged at the top of the blocking and protecting column 15, a first spring piece 16 is fixedly connected to the top surface of the connecting column 17, and the other end of the first spring piece 16 is obliquely and fixedly connected to the bottom of the rear baffle plate 12;
the automobile impact hydraulic buffer transmits a speed change signal or an obstacle avoidance signal to the main controller 4 by using the speed sensor 5 or the distance sensor 6, and then controls the hydraulic cylinder 19 and the hydraulic buffer rod 18 to drive the arc-shaped plate 1 to move through the main controller 4, so that the longitudinal crumple area of the front end or the rear end of the automobile is increased or reduced, and the safety of the automobile in high-speed running or the stability of the automobile in low-speed running is improved;
the auxiliary blocking member 14 arranged at the bottom of the rear baffle 12 of the arc-shaped plate 1 can reduce the scratch damage degree of the chassis or the arc-shaped plate 1 of an automobile passing through a rugged road section through the auxiliary blocking member 14, and particularly, when the automobile passes through the rugged road section, the movable column of the auxiliary blocking member 14 can be in contact with the ground firstly, and the first spring member 16 and the connecting column 17 arranged on the auxiliary blocking member buffer impact force and make noise at the same time, so that a driver is reminded that the chassis abrasion or the vehicle rollover risk is easy to occur on the road section, and needs to carefully drive, and the scratch between the bottom of the automobile and the road surface is avoided; on the other hand, when the arc plate 1 is impacted in the front direction, the inclined auxiliary stopper 14 can selectively transmit impact energy to the ground or the vehicle tire according to the magnitude and the direction of the impact force in the process of forming longitudinal collapse of the arc plate, namely, the transmission direction of partial impact force is changed, so that the impact force borne by the front face of the automobile is consumed, and the phenomenon that strong impact force directly impacts the interior of a cab to endanger the safety of personnel or directly damage important parts in the automobile is avoided.
Referring to fig. 1, 4 and 5, the buffer assembly 2 has a buffer block 21, the buffer block 21 has a circular truncated cone-shaped structure, a buffer cylinder 22 is arranged below the buffer block 21, the buffer cylinder 22 has a hollow cylinder structure with a wide top and a narrow bottom, the upper end surface of the buffer cylinder 22 is concave, an annular cavity 23 is arranged at the inner upper part of the buffer cylinder 22, an inner reinforcing sleeve 25 is arranged at the inner lower part of the buffer cylinder 22, the outer wall surface of the inner reinforcing sleeve 25 is attached to the inner wall surface of the buffer cylinder 22, an inner reinforcing column 24 is coaxially arranged inside the inner reinforcing sleeve 25, the inner reinforcing column 24 has a T-shaped structure, and a first spring part 16 is arranged on the inner reinforcing column 24;
on one hand, after the arc plate 1 is impacted and deformed, the contact area between the arc plate 1 and the front baffle plate 11 is increased, and then a plurality of stress points are formed by utilizing the plurality of buffer assemblies 2 arranged behind the front baffle plate 11 to consume the impact force borne by the front baffle plate 11; on the other hand, buffering cylinder 22 preferably selects flexible material and the material thickness is on the small side around 23, the inside annular cavity 23 of buffering cylinder 22 can extrude its inside air rapidly by the collision in-process, cause annular cavity 23's fracture and sound, when the less accident of collision sound takes place, driver's attention can be improved with this, along with annular cavity 23's fracture, buffer block 21 is close to inside reinforcement column 24, until rather than the butt, utilize second spring part 26 to cushion the shock attenuation afterwards, and then whole buffer assembly 2 and backplate 12's stable connection has been improved, buffer assembly 2 appears becoming flexible in the avoidance collision in-process, the skew, the problem that drops, and then avoid appearing too much clearance between preceding baffle 11 and the backplate 12, reduce buffer assembly 2 and to the absorption effect of collision energy.
Referring to fig. 1-3, the jacking assembly 3 has a first auxiliary hydraulic rod 31, the first auxiliary hydraulic rod 31 is fixedly connected to the inner sidewall of the reinforcing sleeve 110, and the movable end of the first auxiliary hydraulic rod 31 is fixedly connected to a first jacking block 33;
the jacking assembly 3 is provided with a second auxiliary hydraulic rod 32, the inner side wall of the reinforcing sleeve 110 is provided with a chute 112, the second auxiliary hydraulic rod 32 is connected to the chute 112 in a sliding manner, and the movable end of the second auxiliary hydraulic rod 32 is fixedly connected with a second jacking block 34;
the jacking component 3 is arranged on the inner wall of the reinforcing sleeve 110, on one hand, the jacking component 3 can help to perform a butt locking effect on the hydraulic buffer rod 18 and can change the transmission direction of impact force and reduce the damage degree of the automobile crumple zone, specifically, the jacking component 3 is controlled by the main controller 4, after the vehicle speed sensor 5 transmits a vehicle speed change signal to the main controller 4, the main controller 4 controls the hydraulic cylinder 19 to work to enable the hydraulic cylinder 19 to push the arc-shaped plate 1 to move forwards or backwards, the main controller 4 simultaneously controls the first auxiliary hydraulic rod 31 and the second auxiliary hydraulic rod 32 to jack, so that the first jacking block 33 and the second jacking block 34 can generate large friction force on the hydraulic buffer rod 18 in contact with the first jacking block and the second jacking block, thereby performing the butt locking effect, and further enabling the hydraulic buffer rod 18 to perform backward displacement under impact force transmission in different directions when the hydraulic buffer rod 18 is impacted, so as to reduce the damage force on the automobile crumple zone;
on the other hand, the first jacking block 33 is fixed on the inner side wall of the reinforcing sleeve 110, the second jacking block 34 can slide in the sliding groove 112 along with the second auxiliary hydraulic rod 32, the distance between the first jacking block 33 and the second jacking block 34 changes along with the extension and retraction of the hydraulic buffer rod 18, specifically, when the hydraulic buffer rod 18 is contracted to the shortest, the second jacking block 34 slides towards the direction close to the first jacking block 33, when the hydraulic buffer rod 18 is extended to the longest, the second jacking block 34 slides towards the direction far away from the first jacking block 33, so that the second jacking block 34 can support the movable end of the hydraulic buffer rod 18, and the problem that the movable end of the hydraulic buffer rod 18 is difficult to extend and retract due to the influence of shearing force from the arc-shaped plate 1 is avoided; on the other hand, the jacking assembly 3 also ensures the levelness of the hydraulic buffer rod 18 in the telescopic process, namely, the situation that when the hydraulic buffer rod 18 extends to the longest, the end part of the hydraulic buffer rod 18 is influenced by gravity to deflect downwards to cause the position deflection of the arc-shaped plate 1 is avoided; wherein, first jacking piece 33 and second jacking piece 34 prefer flexible materials such as rubber, can not cause the damage to it again when can produce great frictional force with the hydraulic buffer pole 18 of metal material.
Referring to fig. 1-2, a mudguard 13 is disposed at the bottom of the tailgate 12; the middle part of automobile girder 111 is equipped with main control unit 4 and speed sensor 5, main control unit 4 and speed sensor 5 electric connection, main control unit 4 and pneumatic cylinder 19 electric connection.
Referring to fig. 1, a distance sensor 6 is disposed in the middle of a vehicle frame 111, and the distance sensor 6 is electrically connected to a main controller 4;
when the automobile runs at a low speed or a constant speed, as the vehicle speed sensor 5 may have a sensing error in the weak change of the vehicle speed, obstacle avoidance information needs to be transmitted to the main controller 4 through the distance sensor 6, and then the main controller 4 adjusts the position of the arc-shaped plate 1 according to the obstacle avoidance distance to ensure that the crumple area of the automobile is within a proper range.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. A hydraulic shock absorber for a vehicle crash, comprising,
the automobile bumper comprises an arc-shaped plate (1), wherein the arc-shaped plate (1) is of an arc-shaped plate-shaped hollow structure, the arc-shaped plate (1) is arranged at the front end or the rear end of an automobile, a front baffle (11) and a rear baffle (12) are arranged inside the arc-shaped plate (1), a reinforcing sleeve (110) is arranged on the outer side surface of the rear baffle (12), and the reinforcing sleeve (110) is of a hollow columnar structure;
the buffer assembly (2) is arranged between the front baffle (11) and the rear baffle (12);
the jacking assembly (3) is arranged on the inner wall of the reinforcing sleeve (110);
the method is characterized in that: the inner part of the reinforcing sleeve (110) is provided with a hydraulic buffer rod (18) and a hydraulic cylinder (19), the movable end of the hydraulic buffer rod (18) is fixedly connected to the rear baffle (12), the hydraulic cylinder (19) is fixedly connected to the automotive frame (111), the bottom of the rear baffle (12) is provided with an auxiliary stopper (14), the auxiliary stopper (14) is provided with a guard post (15), the guard post (15) is of a cylindrical structure, the bottom of the guard post (15) is of a circular truncated cone structure, the top of the guard post (15) is coaxially provided with a connecting post (17), the top surface of the connecting post (17) is fixedly connected with a first spring part (16), the other end part of the first spring part (16) is obliquely and fixedly connected to the bottom of the rear baffle (12), the buffer assembly (2) is provided with a buffer block (21), the buffer block (21) is of a circular truncated cone structure, a buffer cylinder (22) is arranged below the buffer block (21), the buffer cylinder (22) is provided with a hollow cylinder structure which is wide at the upper part and narrow at the inner wall surface of the buffer cylinder (22), the inner wall surface of the buffer cylinder (22) is provided with a reinforcing sleeve (25) of the circular truncated cone sleeve, and the inner wall surface of the buffer cylinder (22) is provided with a reinforcing cylinder (25) and the inner wall surface of the hollow cylinder (25) which is provided with the buffer cylinder (22), the inner reinforcing sleeve is characterized in that an inner reinforcing column (24) is coaxially arranged inside the inner reinforcing sleeve (25), the inner reinforcing column (24) is of a T-shaped structure, a second spring part (26) is arranged on the inner reinforcing column (24), the jacking assembly (3) is provided with a first auxiliary hydraulic rod (31), the first auxiliary hydraulic rod (31) is fixedly connected onto the inner side wall of the reinforcing sleeve (110), a first jacking block (33) is fixedly connected to the movable end of the first auxiliary hydraulic rod (31), the jacking assembly (3) is provided with a second auxiliary hydraulic rod (32), a sliding groove (112) is formed in the inner side wall of the reinforcing sleeve (110), the second auxiliary hydraulic rod (32) is slidably connected onto the sliding groove (112), and a second jacking block (34) is fixedly connected to the movable end of the second auxiliary hydraulic rod (32).
2. The hydraulic shock absorber for vehicle impact according to claim 1, wherein: and a mudguard (13) is arranged at the bottom of the rear baffle (12).
3. The hydraulic shock absorber for vehicle impact according to claim 1, wherein: the middle part of automotive frame (111) is equipped with main control unit (4) and speed sensor (5), main control unit (4) with speed sensor (5) electric connection, main control unit (4) with pneumatic cylinder (19) electric connection.
4. The hydraulic shock absorber for vehicle collision according to claim 3, wherein: the middle part of automotive frame (111) is equipped with distance sensor (6), distance sensor (6) with main control unit (4) electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210823078.8A CN114906084B (en) | 2022-07-14 | 2022-07-14 | Hydraulic buffer for automobile collision |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210823078.8A CN114906084B (en) | 2022-07-14 | 2022-07-14 | Hydraulic buffer for automobile collision |
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| CN114906084A CN114906084A (en) | 2022-08-16 |
| CN114906084B true CN114906084B (en) | 2022-11-08 |
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| CN202210823078.8A Active CN114906084B (en) | 2022-07-14 | 2022-07-14 | Hydraulic buffer for automobile collision |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104724015A (en) * | 2015-04-11 | 2015-06-24 | 胡达广 | Hydraulic type initiative anti-collision device |
| CN106394457A (en) * | 2015-07-31 | 2017-02-15 | 张文超 | Active protection device |
| CN107901861A (en) * | 2017-11-02 | 2018-04-13 | 广西宏兴机械有限公司 | A kind of automobile front anti-collision boom device |
| CN111703390A (en) * | 2020-06-17 | 2020-09-25 | 常州信息职业技术学院 | Stainless steel anti-collision structure of automobile |
| CN113715763A (en) * | 2020-05-25 | 2021-11-30 | 豪士科安全装备(苏州)有限公司 | Vehicular anticollision buffer |
| WO2022088600A1 (en) * | 2020-10-26 | 2022-05-05 | 江苏大学 | Active-extension front bumper of vehicle |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070290515A1 (en) * | 2006-06-15 | 2007-12-20 | Doan Duc T | Extendable and retractable bumper protection apparatus |
| CN102490788B (en) * | 2011-11-28 | 2014-09-17 | 浙江吉利汽车研究院有限公司 | Elastic longitudinal beam and automobile provided with same |
| CN105346490A (en) * | 2015-11-20 | 2016-02-24 | 芜湖国风塑胶科技有限公司 | Anti-collision buffer device for car |
| CN106467076A (en) * | 2016-09-09 | 2017-03-01 | 北京汽车股份有限公司 | Vehicle |
| CN206734229U (en) * | 2017-04-12 | 2017-12-12 | 常州中隆车辆配件有限公司 | Bumper extension type automobile hydraulic buffers automatic collision safety device |
| CN107284382A (en) * | 2017-08-03 | 2017-10-24 | 全南县韬寻机械设备开发有限公司 | A kind of automobile buffer beam with shock-absorbing function |
| CN108189792A (en) * | 2018-01-17 | 2018-06-22 | 苏州甫腾智能科技有限公司 | A kind of anticollision girder steel of New-energy electric vehicle |
| CN108749924B (en) * | 2018-08-03 | 2023-09-01 | 贾连生 | Shock-absorbing anti-collision steel beam for automobile force transfer |
| CN110371066A (en) * | 2019-08-28 | 2019-10-25 | 冰蓟(上海)工程技术有限公司 | A kind of body of a motor car telescoping mechanism |
| CN211107282U (en) * | 2019-11-30 | 2020-07-28 | 山西禾源科技股份有限公司 | Reusable automobile tail anti-collision device |
| CN112729240A (en) * | 2021-01-15 | 2021-04-30 | 南京卉达安贸易有限公司 | Detection vehicle for detecting degree of rubbing and marking chassis by road slope |
-
2022
- 2022-07-14 CN CN202210823078.8A patent/CN114906084B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104724015A (en) * | 2015-04-11 | 2015-06-24 | 胡达广 | Hydraulic type initiative anti-collision device |
| CN106394457A (en) * | 2015-07-31 | 2017-02-15 | 张文超 | Active protection device |
| CN107901861A (en) * | 2017-11-02 | 2018-04-13 | 广西宏兴机械有限公司 | A kind of automobile front anti-collision boom device |
| CN113715763A (en) * | 2020-05-25 | 2021-11-30 | 豪士科安全装备(苏州)有限公司 | Vehicular anticollision buffer |
| CN111703390A (en) * | 2020-06-17 | 2020-09-25 | 常州信息职业技术学院 | Stainless steel anti-collision structure of automobile |
| WO2022088600A1 (en) * | 2020-10-26 | 2022-05-05 | 江苏大学 | Active-extension front bumper of vehicle |
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