WO2018032544A1

WO2018032544A1 - Bendable road-column for elastically dissipating energy

Info

Publication number: WO2018032544A1
Application number: PCT/CN2016/097919
Authority: WO
Inventors: 李建尧
Original assignee: 李建尧
Priority date: 2016-08-16
Filing date: 2016-09-02
Publication date: 2018-02-22
Also published as: CN108442276B; CN108442276A; CN106192812B; CN106192812A

Abstract

A bendable road-column for elastically dissipating energy, comprising a bottom support column (1), a first plate spring (2), a transition column (3), second plate springs (4), and bending columns (5); the bottom support column (1) is mounted on the ground; the transition column (3) and a plurality of the bending columns (5) are sequentially connected to one another from the bottom by means of revolute joints; the first plate spring (4) is mounted between the bottom support column (1) and the transition column (3); the second plate springs (4) are mounted between the transition column (3) and the bending column (5) and between the bending columns (5); the bending columns (5), transition column (3), and bottom support column (1) can rotate relative to one another; by designing stop blocks or fixture blocks between columns, mutual rotation between columns satisfies the design requirements; the plate springs serve the function of buffering during rotation. By designing the road-column as a structure of hinging a plurality of columns, when colliding with a vehicle, the road-column can enclose the front of the vehicle by means of hinge rotation and absorb collision energy by means of the deformation of plate springs, reducing collision damage, having a better usage effect.

Description

Elastic energy dissipation curved column

Technical field

The invention belongs to the technical field of highway road piles, and in particular relates to a bendable road column with elastic energy dissipation.

Background technique

At present, highway road pillars are one of the important measures to protect automobile safety. The design requirements of road pillars can ensure that cars can be washed out of the road as much as possible in the event of an accident, resulting in more serious casualties. At present, the strength of the road column is often increased, and the safety of the road column with high strength is made through reasonable structural design and selection of high-strength materials, but for a large impact, even if the road column blocks the car, the impact moment It is very powerful and will still cause damage to the owner.

The invention designs a flexible energy dissipation bendable column to solve the above problems.

Summary of the invention

In order to solve the above-mentioned drawbacks in the prior art, the present invention discloses a flexible energy-dissipating bendable column which is realized by the following technical solutions.

A flexible energy dissipation bendable column, characterized in that it comprises a bottom pillar, a first leaf spring, a transition column, a second leaf spring, and a bending column, wherein the bottom pillar is installed on the ground, and one end of the transition column is installed by the rotating pair On the bottom pillar, the other end is mounted with a bending column through a rotating pair, the first leaf spring is respectively installed on the bottom pillar and the transition column, and the second leaf spring is respectively installed on the transition column and the curved column; The side is further mounted with five bending columns through the rotating pair, and a second leaf spring is mounted on the same side of each curved column, and the first leaf spring and the second leaf spring are respectively installed on the bottom pillar, the transition pillar and the curved pillar. Both sides of the mechanism; the bottom pillar, the transition pillar and the curved pillar can be mutually rotated by the rotating pair, and have a certain buffering effect by the elastic action of the first leaf spring and the second leaf spring during the rotation.

The bottom pillar comprises a bottom pillar block, a bottom pillar upper block, a first slope, and a lug, wherein the bottom pillar block is mounted on the upper end side of the bottom pillar, the lug is installed in the middle of the top end of the bottom pillar, and the bottom pillar upper block is installed. The upper end of the bottom pillar and the mounting position is the other side of the bottom pillar block mounting position; the bottom pillar upper block has a first slope.

The transition column includes a transition column upper limit block, a transition column lower limit block, a transition column block, a second inclined surface, a lug mounting groove, and a lug, wherein the lower side of the transition column has an lug mounting groove, and the transition column lower limit block Installed on the lower end side of the transition column, the transition column block is installed at the upper end of the transition column and is on the same side as the installation position of the transition column lower limit block; the upper limit block of the transition column is installed at the upper end of the transition column and is another position for the installation position of the transition column block Side A lug is installed in the middle of the upper end of the column, and a second inclined surface is formed on the upper block of the transition column.

The bending column comprises a bending column lower limit block, a bending column upper limit block, a bending column block, a third inclined surface, a lug and a lug mounting groove, wherein the lower side of the bending column is provided with a lug mounting groove, and the bending column lower limit block Installed on the lower end side of the curved column, the upper limit block of the bending column is installed at the upper end of the curved column and is on the same side as the lower limit block installation position of the curved column; the bent column block is installed at the upper end of the curved column and is the other position of the upper limit block of the curved column. One side; a lug is installed in the middle of the upper end of the bending column, and a third inclined surface is opened on the upper limit block of the bending column.

The lug of the bottom pillar is mounted on the lug mounting groove of the transition post by a cylindrical pin to form a rotating pair, and the lug of the transition pillar is installed in the lug mounting groove of the curved pillar by a cylindrical pin to form a rotating pair, and the bottom pillar upper limit block The connecting block is connected with the lower limit block of the transition column; the upper block of the transition column is connected with the lower limit block of the curved column through the connecting block; the connecting groove between the bent column and the curved column passes through the lower curved column lug and the upper curved column lug mounting groove Installed together with the fit, and the upper limit block of the curved column of the lower curved column is connected to the bent column lower limit block of the upper curved column through the connecting block. The bottom pillar, the transition pillar and the curved pillar form a road pillar through connection, and the contact relationship between the bottom pillar, the transition pillar and the curved pillar between the block, the limit block and the connecting block when the road pillar is not hit by the vehicle It is possible to limit the movement of each connected rotary pair so that the road column is in a vertical state.

As a further improvement of the present technology, the above-mentioned connecting block is first broken when the vehicle hits the road pillar, and the design can ensure that the road pillar bends in the designed bending direction due to the breaking of the connecting block when it is hit.

In the present invention, the bottom pillar block is on the side of the impact point of the road pillar, ensuring that the transition pillar cannot swing around the point where the transition pillar and the bottom pillar are hinged to the side of the impact point of the road pillar; the transition pillar block and the curved pillar block On the other side of the impact point, it is ensured that all the bending columns cannot swing to the other side of the impact point of the road column; the upper limit block of the bottom pillar and the lower limit block of the transition column are on the other side of the impact point, and the upper limit block of the transition column and the lower limit of the bending column The block and the upper limit block of the bending column are on the side of the impact point; the contact installation of the limit block and the connecting block ensures the vertical of the road column. When the road column is impacted, the connecting block is first broken, and the bottom pillar upper limit block and transition A gap will appear between the lower limit block of the column, the upper limit block of the transition column and the lower limit block of the curved column, the upper limit block of the lower curved column and the lower limit block of the upper curved column. Under the impact force, the corresponding columns will mutually Rotating until the corresponding upper and lower limit block contacts, the design of the first bevel, the second bevel and the third bevel can control the angle formed between the corresponding columns when the corresponding upper and lower limit blocks are in contact. The mounting direction of the limit block and the block ensures that when the vehicle hits the road column, the vehicle head can be wrapped by the curved column to prevent the vehicle from rushing out of the road and protect the vehicle.

As a further improvement of the present technology, the six second leaf springs between the six curved columns are identical in elasticity. Make the vehicle evenly stressed and reduce the damage of the vehicle.

As a further improvement of the present technology, the number of the above-mentioned bent columns is required to ensure that there are 2-4 curved columns on the upper side of the conventional vehicle impact point. Make sure the vehicle is wrapped.

Compared with the conventional road pile technology, the bottom pillar of the present invention is installed on the ground, and the transition pillar and the plurality of curved pillars are sequentially connected from the lower side through the rotary pair, and the first leaf spring is installed between the bottom pillar and the transition pillar. A second leaf spring is installed between the transition column and the bending column, the bending column and the bending column, and the bending column, the transition column and the bottom pillar can rotate with each other, and the limiting block or the block is designed between the columns to make the column The mutual rotation between the two rotates according to the design requirements, and the leaf spring acts as a buffer during the rotation. The invention designs the road column as the hinge between the plurality of columns. When the vehicle hits, the road column can wrap the vehicle head by the hinge rotation, and absorbs the impact energy through the deformation of the leaf spring to reduce the impact damage. Good use effect.

DRAWINGS

Figure 1 is a schematic view of the overall component distribution.

Figure 2 is a side view of the overall component distribution.

Figure 3 is a schematic view of the bottom pillar structure.

Figure 4 is a schematic view of the structure of the transition column.

Figure 5 is a schematic view of the structure of a curved column.

The label names in the figure: 1, the bottom pillar, 2, the first leaf spring, 3, the transition column, 4, the second leaf spring, 5, the curved column, 6, the bottom pillar block, 7, the upper limit block of the transition column, 8 , connecting block, 9, transition column lower limit block, 10, transition column block, 11, lug, 12, first slope, 13, second slope, 14, cylindrical pin, 15, lug mounting groove, 16, Bending column lower limit block, 17, bending column upper limit block, 18, curved column block, 19, third slope, 20, bottom pillar upper block.

detailed description

As shown in Figures 1 and 2, it comprises a bottom pillar, a first leaf spring, a transition column, a second leaf spring, and a curved column, wherein the bottom pillar is mounted on the ground, and one end of the transition column is mounted on the bottom pillar by a rotating pair, and One end is provided with a bending column through a rotating pair, and two ends of the first leaf spring are respectively mounted on the bottom pillar and the transition column, and two ends of the second leaf spring are respectively mounted on the transition column and the curved column; the upper side of the curved column is sequentially rotated by the rotating pair Five bending columns are installed, and a second leaf spring is mounted on the same side of each curved column, and the first leaf spring and the second leaf spring are respectively installed on both sides of the bottom pillar, the transition column and the bending column forming mechanism; The pillar, the transition column and the curved column can be mutually rotated by the rotating pair, and the rotating process of the first leaf spring and the second leaf spring during the rotation has a certain buffering effect.

As shown in FIG. 3, the bottom pillar includes a bottom pillar block, a bottom pillar upper block, a first slope, and a lug, wherein the bottom pillar block is mounted on the upper end side of the bottom pillar, and the lug is installed in the middle of the top end of the bottom pillar. The bottom pillar upper block is mounted on the upper end of the bottom pillar and the mounting position is the other side of the bottom pillar block mounting position; the bottom pillar upper block has a first slope.

As shown in FIG. 4, the transition column includes a transition column upper limit block, a transition column lower limit block, a transition column block, a second inclined surface, a lug mounting groove, and a lug, wherein the lower side of the transition column has a lug mounting groove The lower limit block of the transition column is installed at the lower end side of the transition column, and the transition column block is installed at the upper end of the transition column and is on the same side as the installation position of the lower limit block of the transition column; the upper limit block of the transition column is installed at the upper end of the transition column and is a transition column card The other side of the block installation position; a lug is installed in the middle of the upper end of the transition column, and a second inclined surface is formed on the upper block of the transition column.

As shown in FIG. 5, the bending column includes a bending column lower limit block, a bending column upper limit block, a bending column block, a third inclined surface, a lug, and a lug mounting groove, wherein the lower side of the bending column is provided with a lug mounting groove. The lower limit block of the bending column is installed on the lower end side of the curved column, and the upper limit block of the bending column is installed at the upper end of the curved column and is on the same side as the installation position of the lower limit block of the curved column; the bent column block is installed at the upper end of the curved column and is the upper limit of the curved column. The other side of the position where the block is installed; the lug is mounted in the middle of the upper end of the curved column, and the third inclined surface is formed on the upper block of the curved column.

As shown in FIG. 2, the lugs of the bottom post are mounted in the lug mounting grooves of the transition post by cylindrical pins to form a rotating pair, and the lugs of the transition post are mounted in the lug mounting grooves of the curved post by the cylindrical pins to form a rotating pair. The bottom pillar upper block is connected to the transition column lower limit block through the connecting block; the upper limit block of the transition column is connected to the lower limit block of the curved column through the connecting block; the bent column and the upper side of the bent column are bent between the bent column and the curved column The bending column lug mounting groove is fitted and fitted together, and the bending column upper limit block of the lower bending column is connected to the bending column lower limit block of the upper bending column through the connecting block. The bottom pillar, the transition pillar and the curved pillar form a road pillar through connection, and the contact relationship between the bottom pillar, the transition pillar and the curved pillar between the block, the limit block and the connecting block when the road pillar is not hit by the vehicle It is possible to limit the movement of each connected rotary pair so that the road column is in a vertical state.

The connecting block is first broken when the vehicle hits the road pillar, and the design can ensure that the road pillar bends in the designed bending direction due to the breaking of the connecting block when it is hit.

In the present invention, the bottom pillar block is on the side of the impact point of the road pillar, ensuring that the transition pillar cannot swing around the point where the transition pillar and the bottom pillar are hinged to the side of the impact point of the road pillar; the transition pillar block and the curved pillar block On the other side of the impact point, it is ensured that all the bending columns cannot swing to the other side of the impact point of the road column; the upper limit block of the bottom pillar and the lower limit block of the transition column are on the other side of the impact point, and the upper limit block of the transition column and the lower limit of the bending column The block and the upper limit block of the curved column are on the side of the impact point; the contact installation of the limit block and the connecting block ensures the verticality of the road column, when the road column is subjected to At the time of impact, the connecting block is first broken, and the bottom pillar upper limit block and the transition column lower limit block, the transition column upper limit block and the curved column lower limit block, the lower side curved column upper limit block and the upper curved column lower limit block are There will be gaps. Under the impact force, the corresponding columns will rotate to each other until the corresponding upper and lower limit blocks are in contact. The design of the first slope, the second slope and the third slope can control the corresponding column when the corresponding upper and lower limit blocks are in contact. The angle formed between them. The mounting direction of the limit block and the block ensures that when the vehicle hits the road column, the vehicle head can be wrapped by the curved column to prevent the vehicle from rushing out of the road and protect the vehicle.

The six second leaf springs between the six curved columns are identical in elasticity. Make the vehicle evenly stressed and reduce the damage of the vehicle.

The number of bending columns installed above needs to ensure that there are 2-4 bending columns on the upper side of the conventional vehicle impact point. Make sure the vehicle is wrapped.

In summary, the bottom pillar of the present invention is installed on the ground, and the transition pillar and the plurality of curved pillars are sequentially connected from the lower side through the rotating pair, and a first leaf spring is installed between the bottom pillar and the transition pillar, and the transition pillar and A second leaf spring is installed between the bending column, the bending column and the bending column, and the bending column, the transition column and the bottom pillar can rotate with each other, and the position between the columns is rotated by designing a limiting block or a block between the columns. Rotating according to the design requirements, the leaf spring acts as a buffer during rotation. The invention designs the road column as the hinge between the plurality of columns. When the vehicle hits, the road column can wrap the vehicle head by the hinge rotation, and absorbs the impact energy through the deformation of the leaf spring to reduce the impact damage. Good use effect.

Claims

A flexible energy dissipation bendable column, characterized in that it comprises a bottom pillar, a first leaf spring, a transition column, a second leaf spring, and a bending column, wherein the bottom pillar is installed on the ground, and one end of the transition column is installed by the rotating pair On the bottom pillar, the other end is mounted with a bending column through a rotating pair, the first leaf spring is respectively installed on the bottom pillar and the transition column, and the second leaf spring is respectively installed on the transition column and the curved column; The side is further mounted with five bending columns through the rotating pair, and a second leaf spring is mounted on the same side of each curved column, and the first leaf spring and the second leaf spring are respectively installed on the bottom pillar, the transition pillar and the curved pillar. Both sides of the institution;

The bottom pillar comprises a bottom pillar block, a bottom pillar upper block, a first slope, and a lug, wherein the bottom pillar block is mounted on the upper end side of the bottom pillar, the lug is installed in the middle of the top end of the bottom pillar, and the bottom pillar upper block is installed. The upper end of the bottom pillar and the mounting position is the other side of the bottom pillar block mounting position; the bottom pillar upper block has a first slope;

The transition column includes a transition column upper limit block, a transition column lower limit block, a transition column block, a second inclined surface, a lug mounting groove, and a lug, wherein the lower side of the transition column has an lug mounting groove, and the transition column lower limit block Installed on the lower end side of the transition column, the transition column block is installed at the upper end of the transition column and is on the same side as the installation position of the transition column lower limit block; the upper limit block of the transition column is installed at the upper end of the transition column and is another position for the installation position of the transition column block a side; a lug is installed in the middle of the upper end of the transition column, and a second inclined surface is opened on the upper block of the transition column;

The bending column comprises a bending column lower limit block, a bending column upper limit block, a bending column block, a third inclined surface, a lug and a lug mounting groove, wherein the lower side of the bending column is provided with a lug mounting groove, and the bending column lower limit block Installed on the lower end side of the curved column, the upper limit block of the bending column is installed at the upper end of the curved column and is on the same side as the lower limit block installation position of the curved column; the bent column block is installed at the upper end of the curved column and is the other position of the upper limit block of the curved column. One side; a lug is installed in the middle of the upper end of the bending column, and a third inclined surface is opened on the upper limit block of the bending column;

The lugs of the bottom post are mounted in the lug mounting groove of the transition post by a cylindrical pin, and the lug of the transition post is mounted in the lug mounting groove of the curved post by a cylindrical pin, and the upper limit block of the bottom post passes through the connecting block and the transition post The lower limit block is connected; the upper limit block of the transition column is connected to the lower limit block of the curved column through the connecting block; the curved column and the bent column are installed together by the lower curved column lug and the upper curved column lug mounting groove, And the upper limit block of the curved column of the lower curved column is connected to the curved column lower limit block of the upper curved column through the connecting block.
A flexible energy dissipating bendable column according to claim 1, wherein said connecting block is first broken when the vehicle hits the road column.
A flexible energy dissipation bendable column according to claim 1, wherein the six second leaf springs between the six curved columns are identical in elasticity.
The flexible energy dissipating bendable column according to claim 1, wherein the number of the bent columns is required to ensure that there are 2-4 curved columns on the upper side of the conventional vehicle impact point.