CN214325079U

CN214325079U - Air spring failure automatic compensation device for train parking brake

Info

Publication number: CN214325079U
Application number: CN202022656527.3U
Authority: CN
Inventors: 庞媛媛; 杜万庆; 尚小菲; 周喜
Original assignee: Luoyang Yellow River Flexible Shaft Controller Co ltd
Current assignee: Luoyang Yellow River Flexible Shaft Controller Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-10-01
Anticipated expiration: 2030-11-17

Abstract

The utility model discloses an air spring failure automatic compensation device for train parking brake, which comprises a train body and a steering frame, the steering frame is provided with a hollow spring, the steering frame is hinged with a support plate, the hinged part of the support plate is provided with an automatic compensation mechanism for the failure of the hollow spring, the end part of the air spring failure automatic compensation mechanism is provided with a pull ring structure which is connected with a pin shaft arranged on a steering frame, the air spring failure automatic compensation device for train parking braking has reasonable structure, the effective compensation after the air spring fails is realized through the cooperation between the steel wire stranded rope and each component, the occurrence of the failure phenomenon of parking brake is prevented, the device reequips based on original structure, avoids additionally installing the part additional, practices thrift the cost, and the device simple to operate simultaneously is convenient for the maintenance and the maintenance in later stage, improves the convenience of using.

Description

Air spring failure automatic compensation device for train parking brake

Technical Field

The utility model relates to a train brake technical field specifically is an empty spring inefficacy automatic compensation arrangement for train parking braking.

Background

The air spring is also called as air suspension, is a shock absorption component on a vehicle chassis and is positioned between a bogie and a vehicle body, a volume chamber is additionally arranged on the air spring besides a body, and if a throttling hole is arranged between the air spring and a passage of the additional air chamber, the vertical damping and shock absorption effects can be obtained. The air spring has certain pressure in a normal state, but the pressure is reduced due to system air leakage and the like after the air spring is parked for a period of time, the height of the air spring is changed, the distance between the truck body and the bogie is reduced, and the air spring is invalid. When the parking brake device is in a parking brake state, the hand brake machine arranged in the vehicle is connected to the parking brake through the steel wire rope and the guide wheel mechanism, most guide wheels are arranged at the bottom of the vehicle body in the layout process, but the parking brake is arranged on the bogie, so that a section of steel wire rope is connected to the bogie from the bottom of the vehicle body, and the section of steel wire rope is in a tensioning state during working. If the distance between the vehicle body and the bogie is reduced due to the failure of the empty spring, the length of a steel wire rope connected to a parking brake is changed along with the reduction of the distance, the braking force is insufficient, and the potential safety hazard of vehicle movement exists.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide an automatic compensation arrangement for the train parking braking under the empty spring failure state, can the automatic compensation brake force, guarantee to park the reliability of braking after the empty spring became invalid, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an empty spring inefficacy automatic compensation device for train parking braking, includes automobile body and turns to the frame, it has the empty spring to turn to be provided with on the frame, it has the mounting panel to turn to articulate on the frame, the articulated department of mounting panel is provided with empty spring inefficacy automatic compensation mechanism, the tip of empty spring inefficacy automatic compensation mechanism is provided with the pull ring structure, the pull ring structure is connected with the round pin axle that sets up on turning to the frame.

As an optimal technical scheme of the utility model, empty spring inefficacy automatic compensation mechanism is including connecting pull ring, first guide pulley, steel wire pilot rope, first guidance system and second guidance system, the one end of steel wire pilot rope is connected with the connection pull ring, the steel wire pilot rope is walked around first guide pulley and first guidance system, and the other end of steel wire pilot rope is connected with second guidance system.

As an optimal technical scheme of the utility model, first bootstrap system includes second guide pulley and first guide wheel support, the second guide pulley has been cup jointed on the first guide wheel support.

As an optimal technical scheme of the utility model, second guidance system includes second guide wheel bracket and third guide pulley, the third guide pulley has cup jointed on the second guide wheel bracket.

As an optimized technical scheme of the utility model, symmetry sets up at the bogie frame upper surface around the empty spring.

As a preferred technical scheme of the utility model, the pull ring structure includes extension board and spout, one side of extension board is provided with the guide pulley, the steel wire rope guide that passes second guidance system is connected with the guide pulley of extension board one side, and sliding connection in the spout.

As an optimal technical scheme of the utility model, the contact department that turns to frame and automobile body is provided with shock pad.

As an optimal technical scheme of the utility model, be provided with the shaft on the frame that turns to, the wheel has cup jointed the wheel on the shaft.

Compared with the prior art, the beneficial effects of the utility model are that: this an empty spring inefficacy automatic compensation device for train parking braking is rational in infrastructure, through the cooperation between steel wire stranded rope and each part, realizes the effective compensation after the empty spring inefficacy, prevents to park the emergence of the malfunctioning phenomenon of braking, and the device reequips based on original structure, avoids additionally installing the part additional, practices thrift the cost, and the device simple to operate simultaneously, the maintenance and the maintenance in the later stage of being convenient for improve the convenience of using.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the automatic compensating device for empty spring failure;

fig. 3 is a side view of the automatic compensating device for empty spring failure.

In the figure: the damping suspension device comprises a pull ring structure 1, a pin shaft 2, an air spring failure automatic compensation mechanism 3, a steering frame 4, an air spring 5, a bracket plate 6, a vehicle body 7, wheels 8, a first guide wheel bracket 9, a second guide wheel 10, a connecting pull ring 11, a first guide wheel 12, a steel wire guide rope 13, a second guide wheel bracket 14, a third guide wheel 15, a first guide system 16, a second guide system 17, a support plate 18, a sliding groove 19 and a damping foot pad 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below 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 (for convenience of description and understanding, the following description is made with the upper side of fig. 1 as the upper side). 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.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an empty spring inefficacy automatic compensation device for train parking braking, includes automobile body 7 and turns to frame 4, it is provided with shock attenuation callus on the sole 20 to turn to the contact department of frame 4 and automobile body 7, and shock attenuation callus on the sole 20 plays the effect of shock attenuation buffering, turn to be provided with the shaft on the frame 4, the wheel 8 has cup jointed on the shaft, it has empty spring 5 to turn to be provided with on the frame 4, empty spring 5 front and back symmetry sets up on turning to frame 4 upper surface, it has mounting panel 6 to articulate on turning to the frame 4, the articulated department of mounting panel 6 is provided with empty spring inefficacy automatic compensation mechanism 3, and empty spring inefficacy automatic compensation mechanism 3 can carry out brake compensation after empty spring 5 became invalid automatically, effectively avoids parking brake failure's emergence, improves the security of driving, empty spring inefficacy automatic compensation mechanism 3 is including connecting pull ring 11, first guide pulley 12, steel wire rope 13, A first guide system 16 and a second guide system 17, wherein one end of the steel wire guide rope 13 is connected with the connecting pull ring 11, the steel wire guide rope 13 goes around the first guide wheel 12 and the first guide system 16, the first guide system 16 comprises a second guide wheel 10 and a first guide wheel bracket 9, the first guide wheel bracket 9 is sleeved with the second guide wheel 10, the other end of the steel wire guide rope 13 is connected with the second guide system 17, the second guide system 17 comprises a second guide wheel bracket 14 and a third guide wheel 15, the second guide wheel bracket 14 is sleeved with the third guide wheel 15, the end of the air spring failure automatic compensation mechanism 3 is provided with a pull ring structure 1, the pull ring structure 1 comprises a support plate 18 and a sliding groove 19, one side of the support plate 18 is provided with a guide wheel, the steel wire guide rope 13 passing through the second guide system 17 is connected with the guide wheel on one side of the support plate 18 and is connected in the sliding groove 19, the pull ring structure 1 is connected with the pin shaft 2 arranged on the steering frame 4, the device effectively realizes the compensation of braking, and the practicability of use is greatly improved.

When in use: when the vehicle is in a normal state, the connecting pull ring 11 and the first guide wheel do not move relatively, when the empty spring 5 installed between the steering frame 4 and the vehicle body 7 leaks or bursts, the vehicle body 7 falls relative to the steering frame 4, the connecting pull ring 11 moves upwards (close to the vehicle body) relative to the vehicle bottom at the moment, and the first guide wheel 12 does not change position relative to the vehicle body 7, so that the upwards moving displacement of the connecting pull ring 11 is the descending changing displacement of the empty spring 5, the steel wire guide rope 13 transfers the displacement to the second guide system 17, the second guide system 17 moves backwards, the displacement of the empty spring 5 is compensated, and the normal work of the braking device is further ensured.

The utility model transmits the displacement after the air spring 5 fails to work to the braking device through the steel wire stranded rope 13, thereby realizing the effective compensation after the air spring 5 fails to work and preventing the brake failure phenomenon; the safety of using is improved, and round pin axle 2 plays the effect of fixed stay, plays the effect of strengthening, and shock attenuation callus on the sole 20 plays the effect of shock attenuation buffering.

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 empty spring failure automatic compensation device for train parking braking, includes automobile body (7) and turns to frame (4), it has empty spring (5), its characterized in that to turn to be provided with on frame (4): the steering frame is characterized in that a support plate (6) is hinged to the steering frame (4), an empty spring failure automatic compensation mechanism (3) is arranged at the hinged position of the support plate (6), a pull ring structure (1) is arranged at the end part of the empty spring failure automatic compensation mechanism (3), and the pull ring structure (1) is connected with a pin shaft (2) arranged on the steering frame (4).

2. An automatic compensation device for lost air spring of train parking brake as claimed in claim 1, wherein: the air spring failure automatic compensation mechanism (3) comprises a connecting pull ring (11), a first guide wheel (12), a steel wire guide rope (13), a first guide system (16) and a second guide system (17), one end of the steel wire guide rope (13) is connected with the connecting pull ring (11), the steel wire guide rope (13) bypasses the first guide wheel (12) and the first guide system (16), and the other end of the steel wire guide rope (13) is connected with the second guide system (17).

3. An automatic compensation device for lost air spring of train parking brake as claimed in claim 2, wherein: the first guide system (16) comprises a second guide wheel (10) and a first guide wheel bracket (9), and the second guide wheel (10) is sleeved on the first guide wheel bracket (9).

4. An automatic compensation device for lost air spring of train parking brake as claimed in claim 2, wherein: the second guide system (17) comprises a second guide wheel bracket (14) and a third guide wheel (15), and the third guide wheel (15) is sleeved on the second guide wheel bracket (14).

5. An automatic compensation device for lost air spring of train parking brake as claimed in claim 1, wherein: the air springs (5) are symmetrically arranged on the upper surface of the steering frame (4) in the front-back direction.

6. An automatic compensation device for lost air spring of train parking brake as claimed in claim 2, wherein: the pull ring structure (1) comprises a support plate (18) and a sliding groove (19), a guide wheel is arranged on one side of the support plate (18), and the steel wire guide rope (13) penetrating through the second guide system (17) is connected with the guide wheel on one side of the support plate (18) and is in sliding connection in the sliding groove (19).

7. An automatic compensation device for lost air spring of train parking brake as claimed in claim 1, wherein: and a shock absorption foot pad (20) is arranged at the contact part of the steering frame (4) and the vehicle body (7).

8. An automatic compensation device for lost air spring of train parking brake as claimed in claim 1, wherein: and the steering frame (4) is provided with a wheel shaft, and the wheel shaft is sleeved with wheels (8).