CN211769606U

CN211769606U - Urban rail transit well pit buffer

Info

Publication number: CN211769606U
Application number: CN202020052275.0U
Authority: CN
Inventors: 黄龙杨; 张顶立
Original assignee: Civil Aviation Flight University of China
Current assignee: Civil Aviation Flight University of China
Priority date: 2020-01-10
Filing date: 2020-01-10
Publication date: 2020-10-27
Anticipated expiration: 2030-01-10

Abstract

The utility model provides an urban rail transit well pit buffer which characterized in that includes: the novel high-pressure oil well is characterized by comprising a well wall (1), a well bottom (2) and high-pressure cylinders (3), wherein the well wall (1) is fixedly arranged around the well bottom (2), the well bottom (2) is provided with the high-pressure cylinders (3) through fixed mounting bolts, piston rods (4) are arranged in the high-pressure cylinders (3), external threads are arranged outside the upper ends of the piston rods (4), the top of each piston rod (4) is provided with an object carrying table plate (7) through double nuts in a clamping mode, a rubber pad (8) is laid above the object carrying table plate (7), and the thickness of the rubber pad (8) is 50-100.

Description

Urban rail transit well pit buffer

Technical Field

The utility model belongs to the technical field of the well buffer, concretely relates to urban rail transit well pit buffer.

Background

At present, buffers in a hoistway in many urban rail transit stations are rubber pads with certain thickness, the rubber pads are paved at the bottom of the hoistway, the rubber pads have very limited impact energy absorption and are compressed to the limit within a short time, so that a good buffering effect cannot be achieved, once a car in the hoistway breaks down and rapidly descends, the consequences cannot be assumed, and in order to reduce casualties or property loss, the inventor considers that the research of the buffer of the pit of the urban rail transit hoistway has very important practical significance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an urban rail transit well pit buffer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an urban rail transit well pit buffer which characterized in that includes: the well wall (1), shaft bottom (2) and high-pressure cylinder (3) constitute, the fixed wall of a well (1) that is equipped with around shaft bottom (2), a plurality of high-pressure cylinder (3) are installed through the fixed mounting bolt in shaft bottom (2).

Preferably, a piston rod (4) is arranged in the high-pressure cylinder (3), external threads are arranged outside the upper end of the piston rod (4), an object stage plate (7) is clamped and mounted at the top of the piston rod (4) through double nuts, a rubber pad (8) is laid above the object stage plate (7), and the thickness of the rubber pad (8) is 50-100 mm.

Preferably, the lower cylinder wall of the high-pressure cylinder (3) is connected with the pressure-resistant air spring (6) through a high-pressure air pipe (5), and the high-pressure cylinder (3) is in sealing connection with the high-pressure air pipe (5) and the high-pressure air pipe (5) is in sealing connection with the pressure-resistant air spring (6).

Compared with the prior art, the utility model provides an urban rail transit well pit buffer possesses following beneficial effect:

the structure is simple, the secondary energy absorption structure is adopted, the buffering and energy absorption effects are good, and the casualty rate and the property loss rate are reduced.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is the utility model provides a positive section structure sketch map of urban rail transit well pit buffer.

Fig. 2 is the utility model provides an urban rail transit well pit buffer top view.

Fig. 3 is a sectional top view taken at a-a in fig. 1.

Fig. 4 is the utility model provides an urban rail transit well pit buffer theory of operation schematic diagram.

In the figure: the device comprises a well wall (1), a well bottom (2), a high-pressure cylinder (3), a piston rod (4), a high-pressure air pipe (5), a pressure-resistant air spring (6), an object stage plate (7) and a rubber pad (8).

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides an urban rail transit well pit buffer which characterized in that includes: the well wall 1, shaft bottom 2 and high-pressure cylinder 3 constitute, the fixed wall of a well 1 that is equipped with around the shaft bottom 2, a plurality of high-pressure cylinder 3 is installed through the fixed mounting bolt in shaft bottom 2.

The utility model discloses, in the preferred embodiment, be equipped with piston rod 4 in the high-pressure cylinder 3, the outside of 4 upper ends of piston rod is equipped with outer screw thread, 4 tops of piston rod are through two nut clamp installation objective table boards 7, lay a rubber pad 8 above objective table board 7, rubber pad 8 thickness is 50-100 mm.

The utility model discloses, preferred embodiment, 3 lower part cylinder walls of high pressure cylinder are connected with withstand voltage air spring 6 through a high-pressurepipe 5, be sealing connection between high pressure cylinder 3 and the high-pressurepipe 5 and between high-pressurepipe 5 and withstand voltage air spring 6.

The utility model discloses a theory of operation and use flow are as follows:

the high-pressure air cylinder 3, the high-pressure air pipe 5 and the pressure-resistant air spring 6 are filled with high-pressure air, when a car in a hoistway is out of order or descends rapidly, an acting force P acts on the rubber pad 8, the rubber pad 8 plays a role in buffering and energy absorption for the first time, then the energy is transmitted to the object carrying table plate 7 plate and then transmitted to the piston rod 4, the piston rod 4 descends, a piston below the piston rod 4 acts on the high-pressure air in the high-pressure air cylinder 3, the high-pressure air is compressed and enters the pressure-resistant air spring 6 through the high-pressure air pipe 5, so that the impact energy of the car is absorbed to play a role in buffering and protecting, and.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an urban rail transit well pit buffer which characterized in that includes: the well wall (1), shaft bottom (2) and high-pressure cylinder (3) constitute, the fixed wall of a well (1) that is equipped with around shaft bottom (2), a plurality of high-pressure cylinder (3) are installed through the fixed mounting bolt in shaft bottom (2).

2. The urban rail transit well pit buffer according to claim 1, wherein a piston rod (4) is arranged in the high-pressure cylinder (3), external threads are arranged outside the upper end of the piston rod (4), an object plate (7) is clamped and installed at the top of the piston rod (4) through double nuts, a rubber pad (8) is laid above the object plate (7), and the thickness of the rubber pad (8) is 50-100 mm.

3. The urban rail transit well pit buffer according to claim 1, wherein the lower cylinder wall of the high-pressure cylinder (3) is connected with the pressure-resistant air spring (6) through a high-pressure air pipe (5), and the high-pressure cylinder (3) and the high-pressure air pipe (5) and the pressure-resistant air spring (6) are in sealing connection.