阅读说明：本技术 一种急停时带有缓冲机构的地铁车辆牵引机构 (Subway vehicle traction mechanism with buffer mechanism during emergency stop ) 是由 原宇博 李夏欢 简荣华 于 2021-09-09 设计创作，主要内容包括：本发明公开了一种急停时带有缓冲机构的地铁车辆牵引机构,包括牵引基座和缓冲基座,牵引基座和缓冲基座之间安装有缓冲机构,牵引基座上连接有牵引杆,所述缓冲机构包括三个缓冲器,缓冲器呈三角形布置,缓冲器包括柔性胶套,柔性胶套的两端分别与牵引基座和缓冲基座连接,柔性胶套内部设置有若干个硬质基板和柔性基板,硬质基板和柔性基板交错设置,硬质基板两侧的边缘均匀固定有若干个插头,柔性基板两侧的边缘设置有与插头一一对应的插孔,柔性胶套的轴心设置有缓冲弹簧,缓冲弹簧贯穿硬质基板和柔性基板,缓冲弹簧的两端分别与牵引基座和缓冲基座连接。本发明能够改进现有技术的不足,有效提高牵引机构对刹车作用力的缓冲性能。(The invention discloses a metro vehicle traction mechanism with a buffer mechanism during emergency stop, which comprises a traction base and a buffer base, wherein the buffer mechanism is arranged between the traction base and the buffer base, a traction rod is connected on the traction base, buffer gear includes three buffer, the buffer is triangle-shaped and arranges, the buffer includes flexible gum cover, the both ends of flexible gum cover respectively with pull base and buffer base and be connected, inside a plurality of stereoplasm base plate and the flexible base plate of being provided with of flexible gum cover, stereoplasm base plate and the crisscross setting of flexible base plate, the edge of stereoplasm base plate both sides evenly is fixed with a plurality of plug, the edge of flexible base plate both sides is provided with the jack with the plug one-to-one, the axle center of flexible gum cover is provided with buffer spring, buffer spring runs through stereoplasm base plate and flexible base plate, buffer spring's both ends respectively with pull base and buffer base and be connected. The invention can improve the defects of the prior art and effectively improve the buffer performance of the traction mechanism on the braking acting force.)

1. The utility model provides a subway vehicle drive mechanism who has buffer gear when scram, is including drawing base (1) and buffering base (2), draws and installs buffer gear between base (1) and buffering base (2), is connected with traction lever (3), its characterized in that on drawing base (1): buffer gear includes three buffer (4), buffer (4) are triangle-shaped and arrange, buffer (4) are including flexible gum cover (5), the both ends of flexible gum cover (5) are connected with traction base (1) and buffer base (2) respectively, flexible gum cover (5) inside is provided with a plurality of stereoplasm base plate (6) and flexible base plate (7), stereoplasm base plate (6) and flexible base plate (7) crisscross setting, the edge of stereoplasm base plate (6) both sides is evenly fixed with a plurality of plug (8), the edge of flexible base plate (7) both sides is provided with jack (9) with plug (8) one-to-one, the axle center of flexible gum cover (5) is provided with buffer spring (10), buffer spring (10) run through stereoplasm base plate (6) and flexible base plate (7), the both ends of buffer spring (10) respectively with traction base (1) and buffer base (2) be connected.

2. A metro vehicle pulling mechanism with a buffer mechanism at scram according to claim 1, characterized in that: plug (8) are including stereoplasm base (11), stereoplasm base (11) are fixed on stereoplasm base plate (6), stereoplasm base (11) top is connected with elasticity extension piece (12), jack (9) are including end to end's first jack portion (13) and second jack portion (14), first jack portion (13) and the coaxial setting of stereoplasm base (11), the contained angle of second jack portion (14) axis and first jack portion (13) axis is 23, the orientation that is located second jack portion (14) of flexible base plate (7) both sides is opposite.

3. A metro vehicle pulling mechanism with a buffer mechanism at scram according to claim 2, characterized in that: an annular oil bag (15) is arranged in the flexible substrate (7).

4. A metro vehicle pulling mechanism with a buffering mechanism at scram according to claim 3, characterized in that: two annular grooves (16) are symmetrically formed in the outer edge of the flexible substrate (7), and annular flanges (17) which are in plug-in fit with the annular grooves (16) are formed in the outer edge of the hard base (11).

5. A metro vehicle pulling mechanism with a buffer mechanism at scram according to claim 1, characterized in that: the buffer is characterized in that sleeves (18) are fixed on the outer sides of the buffers (4), supporting rods (19) are connected between every two adjacent buffers (4), and two ends of each supporting rod (19) are fixed on the sleeves (18).

Technical Field

The invention relates to the technical field of metro vehicle traction equipment, in particular to a metro vehicle traction mechanism with a buffer mechanism during emergency stop.

Background

And in the subway running process, all carriages are connected through a traction mechanism. When a subway vehicle is stopped emergently, the traction mechanism needs to bear a large braking acting force, and how to improve the buffer performance of the traction mechanism on the braking acting force becomes one of the research hotspots in the field.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a metro vehicle traction mechanism with a buffer mechanism during emergency stop, so that the buffer performance of the traction mechanism on the brake acting force is effectively improved.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows.

The utility model provides a railcar drive mechanism with buffer gear during scram, is including drawing base and buffering base, draws and installs buffer gear between base and the buffering base, is connected with the traction lever on drawing the base, buffer gear includes three buffer, and the buffer is triangle-shaped and arranges, and the buffer includes flexible gum cover, and the both ends of flexible gum cover are connected with drawing base and buffering base respectively, and flexible gum cover is inside to be provided with a plurality of stereoplasm base plate and flexible base plate, and stereoplasm base plate and flexible base plate are crisscross to be set up, and the edge of stereoplasm base plate both sides evenly is fixed with a plurality of plug, and the edge of flexible base plate both sides is provided with the jack with the plug one-to-one, and the axle center of flexible gum cover is provided with buffer spring, and buffer spring runs through stereoplasm base and flexible base plate, and buffer spring's both ends respectively with to draw base and buffering base to be connected.

Preferably, the plug comprises a hard base, the hard base is fixed on a hard base plate, the top of the hard base is connected with an elastic extension piece, the jack comprises a first jack portion and a second jack portion which are connected end to end, the first jack portion and the hard base are coaxially arranged, an included angle between the axis of the second jack portion and the axis of the first jack portion is 23 degrees, and the orientation of the second jack portions located on two sides of the flexible base plate is opposite.

Preferably, an annular oil bag is arranged in the flexible substrate.

Preferably, two annular grooves are symmetrically formed in the outer edge of the flexible substrate, and an annular flange which is in plug-in fit with the annular grooves is formed in the outer edge of the hard base.

Preferably, a sleeve is fixed on the outer side of each buffer, a support rod is connected between every two adjacent buffers, and two ends of each support rod are fixed on the sleeves.

Adopt the beneficial effect that above-mentioned technical scheme brought to lie in: the invention realizes the buffering of the braking acting force by utilizing the mutual pressing of the hard substrate and the flexible substrate and the compression of the buffer spring. The buffer spring is arranged at the axis of the flexible rubber sleeve, and can guide the axial displacement of the hard substrate and the flexible substrate, so that the pressing accuracy of the hard substrate and the flexible substrate is ensured. In the pressfitting in-process of stereoplasm base plate and flexible base plate, the plug inserts in the jack that corresponds, and elasticity extension piece twists reverse under the guide effect of second jack portion, because the orientation of the second jack portion that is located flexible base plate both sides is opposite to make flexible base plate both sides receive opposite direction's torsional force, the torsional force is used for improving the degree of consistency of flexible base plate compression, and both sides torsional force is opposite, avoids the flexible base plate to appear rotatoryly. The annular oil bag is used for further improving the compression energy absorption stroke of the flexible substrate. Along with the deformation of flexible base plate, the extrusion force between annular flange and the annular groove increases fast to make the sliding resistance between stereoplasm base plate and the flexible base plate increase fast, thereby realize that the buffering damping of buffer has nonlinear characteristic, the middle and back section buffering damping of compression can increase fast, cushions great impact. The arrangement structure of the buffer can improve the stability of the whole buffer mechanism, and then further improves the bearing performance of acting force in the non-driving direction by additionally arranging the supporting rod.

Drawings

FIG. 1 is a block diagram of an embodiment of the present invention.

Fig. 2 is a partially enlarged view of a buffer according to an embodiment of the present invention.

Fig. 3 is a block diagram of a plug and jack mating arrangement according to an embodiment of the present invention.

In the figure: 1. a traction base; 2. a buffer base; 3. a draw bar; 4. a buffer; 5. a flexible rubber sleeve; 6. a hard substrate; 7. a flexible substrate; 8. a plug; 9. a jack; 10. a buffer spring; 11. a rigid base; 12. an elastic extension sheet; 13. a first socket portion; 14. a second socket portion; 15. an annular oil pocket; 16. an annular groove; 17. an annular flange; 18. a sleeve; 19. a support bar; 20. a conical surface.

Detailed Description

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, and the specific connection mode of each part adopts the conventional means of mature bolts, rivets, welding, sticking and the like in the prior art, and the detailed description is not repeated.

Referring to fig. 1-3, a specific embodiment of the present invention includes a traction base 1 and a buffer base 2, a buffer mechanism is installed between the traction base 1 and the buffer base 2, a traction rod 3 is connected to the traction base 1, the buffer mechanism includes three buffers 4, the buffers 4 are arranged in a triangle, the buffers 4 include flexible rubber sleeves 5, two ends of the flexible rubber sleeves 5 are respectively connected to the traction base 1 and the buffer base 2, a plurality of hard substrates 6 and flexible substrates 7 are arranged inside the flexible rubber sleeves 5, the hard substrates 6 and the flexible substrates 7 are arranged in a staggered manner, a plurality of plugs 8 are uniformly fixed on edges of two sides of the hard substrates 6, jacks 9 corresponding to the plugs 8 one by one are arranged on edges of two sides of the flexible substrates 7, a buffer spring 10 is arranged on an axis of the flexible rubber sleeves 5, the buffer spring 10 penetrates through the hard substrates 6 and the flexible substrates 7, the two ends of the buffer spring 10 are respectively connected with the traction base 1 and the buffer base 2. The plug 8 comprises a hard base 11, the hard base 11 is fixed on the hard base 6, an elastic extension piece 12 is connected to the top of the hard base 11, the jack 9 comprises a first jack portion 13 and a second jack portion 14 which are connected end to end, the first jack portion 13 and the hard base 11 are coaxially arranged, an included angle formed by the axis of the second jack portion 14 and the axis of the first jack portion 13 is 23 degrees, and the directions of the second jack portions 14 located on two sides of the flexible base 7 are opposite. An annular oil pocket 15 is provided in the flexible substrate 7. Two annular grooves 16 are symmetrically arranged on the outer edge of the flexible substrate 7, and an annular flange 17 which is matched with the annular grooves 16 in an inserted manner is arranged on the outer edge of the hard base 11. The outer side of each buffer 4 is fixed with a sleeve 18, a support rod 19 is connected between every two adjacent buffers 4, and two ends of each support rod 19 are fixed on the sleeves 18.

In addition, the contact surface between the flexible substrate 7 and the hard substrate 6 is a tapered surface 20, and when the flexible substrate 7 and the hard substrate 6 are pressed together, the tapered pressing surface can sufficiently transmit the pressing force to the outer side surface of the flexible substrate 7, thereby further increasing the pressing force between the annular flange 17 and the annular groove 16.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.