Sliding suspension locking mechanism of rail-road car

Abstract

The utility model discloses a rail-road vehicle sliding suspension locking mechanism which comprises a left sliding beam and a right sliding beam, the left sliding beam and the right sliding beam are arranged in parallel, bottom sliding plates are installed at the bottom of the left sliding beam and the bottom of the right sliding beam respectively, and a front limiting support and a rear limiting support are installed on the left sliding beam and the right sliding beam respectively. Telescopic sleeves are installed at the front ends of the left sliding beam and the right sliding beam, lock pins are installed in the telescopic sleeves, and compression springs located in the telescopic sleeves are connected to the lock pins in a sleeving mode; the ends, away from each other, of the two lock pins extend out of the left sliding beam and the right sliding beam correspondingly and are connected with a rotating lever mechanism. According to the utility model, relative position sliding with the semitrailer frame is realized, and the sliding resistance cannot be too small; reliable limiting points are provided, manual unlocking / locking operation is achieved, and non-operation unlocking is avoided; the friction force of the locking mechanism, the limiting support and the sliding plate can jointly counteract the braking force or traction force impact of the vehicle.

Description

Technical Field

[0001] The utility model relates to the technical field of suspension, in particular to a sliding suspension locking mechanism for a road-rail dual-purpose vehicle. Background Art

[0002] Air suspension is currently widely used in road-rail semi-trailers. The front bracket of the suspension is welded to the frame to improve the vehicle's carrying capacity. This method is fine for road transport vehicles, but it has inherent defects when used in road-rail vehicles. The suspension conflicts with the bogie position during railway transportation, so it can only be welded in a place where the axle load distribution is unreasonable. With the design of the sliding suspension for road-rail vehicles, the problem of the position conflict between the two has been well solved, and at the same time, requirements have been put forward on how to reliably achieve sliding and locking of the follow-up suspension.

[0003] The current sliding suspension is not convenient for achieving the following functions:

[0004] 1. When changing positions, the relative position sliding with the semi-trailer frame is realized, and the sliding resistance cannot be too small;

[0005] 2. It has reliable limit points and manual unlocking / locking mechanism to avoid non-operational unlocking under any circumstances;

[0006] 3. The locking mechanism, limit mechanism, and sliding plate friction can work together to offset the braking force or traction impact of the vehicle. Utility Model Content

[0007] The utility model aims to provide a sliding suspension locking mechanism for a road-rail vehicle to solve the problems raised in the above-mentioned background technology.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sliding suspension locking mechanism for a road-rail dual-purpose vehicle, comprising a left sliding beam and a right sliding beam, the left sliding beam and the right sliding beam are arranged in parallel, a bottom plate is installed on the bottom of the left sliding beam and the right sliding beam, and a front limit bracket and a rear limit bracket are installed on the left sliding beam and the right sliding beam;

[0009] The front ends of the left sliding beam and the right sliding beam are both equipped with telescopic sleeves, a locking pin is installed in the telescopic sleeve, and a compression spring located in the telescopic sleeve is sleeved on the locking pin;

[0010] The ends of the two locking pins that are away from each other extend outside the left sliding beam and the right sliding beam respectively and are connected with a rotating lever mechanism.

[0011] Preferably, the rotating lever mechanism includes a left connecting rod and a right connecting rod, and both the left connecting rod and the right connecting rod are rotatably connected to a tilting rod, one end of the two tilting rods are rotatably connected to two locking pins respectively, one end of the right connecting rod is rotatably installed with a vertical rod, and one end of the left connecting rod is rotatably installed on one side of the vertical rod, and a joystick is installed at the bottom of the vertical rod.

[0012] Preferably, the middle position of the tilting rod is rotatably mounted on the telescopic sleeve via a bracket.

[0013] Preferably, a torsion spring is installed on one side of the vertical rod, and one end of the torsion spring is matched with the left connecting rod.

[0014] Preferably, one end of a return spring is connected to one side of the vertical rod, and the other end of the return spring is connected to the left sliding beam.

[0015] Preferably, a plurality of side sliding plates are installed on the sides of the left sliding beam and the right sliding beam that are close to each other.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. Realize the relative position sliding with the semi-trailer frame, and the sliding resistance cannot be too small;

[0018] 2. It has reliable limit points and manual unlocking / locking operations to avoid non-operational unlocking;

[0019] 3. The locking mechanism, limit bracket, and sliding plate friction can work together to offset the braking force or traction impact of the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the bottom structure of the utility model;

[0022] Figure 3 This is a front view structural schematic diagram of the utility model.

[0023] In the figure: 1. left sliding beam; 2. right sliding beam; 3. bottom slide plate; 4. front limit bracket; 5. rear limit bracket; 6. locking pin; 7. compression spring; 8. rotating lever mechanism; 9. telescopic sleeve; 10. return spring; 11. side slide plate; 81. left connecting rod; 82. right connecting rod; 83. torsion spring member; 84. vertical rod; 85. joystick; 86. tilting rod. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-3 The utility model provides a technical solution: a sliding suspension locking mechanism for a road-rail dual-purpose vehicle, comprising a left sliding beam 1 and a right sliding beam 2, the left sliding beam 1 and the right sliding beam 2 are arranged in parallel, a bottom plate 3 is installed on the bottom of the left sliding beam 1 and the right sliding beam 2 by bolts, and a front limit bracket 4 and a rear limit bracket 5 are installed on the left sliding beam 1 and the right sliding beam 2;

[0026] The front ends of the left sliding beam 1 and the right sliding beam 2 are both installed with telescopic sleeves 9, the telescopic sleeves 9 are installed with locking pins 6, and the locking pins 6 are sleeved with compression springs 7 located in the telescopic sleeves 9;

[0027] The ends of the two locking pins 6 that are away from each other extend outside the left sliding beam 1 and the right sliding beam 2 respectively, and are connected to a rotating lever mechanism 8 .

[0028] In the utility model, the rotating lever mechanism 8 includes a left connecting rod 81 and a right connecting rod 82, and the left connecting rod 81 and the right connecting rod 82 are both rotatably connected to a tilting rod 86, one end of the two tilting rods 86 are rotatably connected to the two locking pins 6 respectively, one end of the right connecting rod 82 is rotatably installed with a vertical rod 84, and one end of the left connecting rod 81 is rotatably installed on one side of the vertical rod 84, and a joystick 85 is installed at the bottom of the vertical rod 84.

[0029] In the present invention, the middle position of the tilting rod 86 is rotatably mounted on the telescopic sleeve 9 through a bracket.

[0030] In the present invention, a torsion spring 83 is installed on one side of the vertical rod 84 , and one end of the torsion spring 83 is matched with the left connecting rod 81 .

[0031] In the utility model, one end of a return spring 10 is connected to one side of the vertical rod 84, and the other end of the return spring 10 is connected to the left sliding beam 1, so that the mechanism automatically returns when released.

[0032] In the utility model, a plurality of side slide plates 11 are installed on the sides of the left sliding beam 1 and the right sliding beam 2 that are close to each other through bolts.

[0033] The working principle of the utility model is as follows: a locking pin and a compression spring are installed in the telescopic sleeve 12 of the sliding beam, one end of which is connected to a rotating lever mechanism, and the locking pin can be extended or retracted into the telescopic sleeve through the lever, corresponding to the hole reserved in the frame; one end of the operating lever extends out of the frame for easy stretching, driving the rotating lever mechanism to work, and the operating lever is provided with a stop, which can be pulled on the vehicle body interface when in the open position to keep it in the open state.

[0034] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in the field. Although the embodiments of the utility model have been shown and described, it is understandable to those of ordinary skill in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A sliding suspension locking mechanism for a road-rail vehicle, characterized in that: The invention comprises a left sliding beam (1) and a right sliding beam (2), wherein the left sliding beam (1) and the right sliding beam (2) are arranged in parallel, a bottom plate (3) is installed on the bottom of the left sliding beam (1) and the right sliding beam (2), and a front limit bracket (4) and a rear limit bracket (5) are installed on the left sliding beam (1) and the right sliding beam (2); The front ends of the left sliding beam (1) and the right sliding beam (2) are both provided with telescopic sleeves (9), a locking pin (6) is installed inside the telescopic sleeve (9), and a compression spring (7) located inside the telescopic sleeve (9) is sleeved on the locking pin (6); The ends of the two locking pins (6) that are away from each other extend outside the left sliding beam (1) and the right sliding beam (2) respectively, and are connected to a rotating lever mechanism (8).

2. The sliding suspension locking mechanism for a road-rail vehicle according to claim 1, characterized in that: The rotary lever mechanism (8) comprises a left connecting rod (81) and a right connecting rod (82), and the left connecting rod (81) and the right connecting rod (82) are both rotatably connected to a tilting rod (86), one end of the two tilting rods (86) are rotatably connected to two locking pins (6) respectively, one end of the right connecting rod (82) is rotatably mounted with a vertical rod (84), and one end of the left connecting rod (81) is rotatably mounted on one side of the vertical rod (84), and a control rod (85) is mounted at the bottom of the vertical rod (84).

3. The sliding suspension locking mechanism for a road-rail vehicle according to claim 2, characterized in that: The middle position of the tilting rod (86) is rotatably mounted on the telescopic sleeve (9) via a bracket.

4. The sliding suspension locking mechanism for a road-rail vehicle according to claim 2, characterized in that: A torsion spring (83) is installed on one side of the vertical rod (84), and one end of the torsion spring (83) is matched with the left connecting rod (81).

5. The sliding suspension locking mechanism for a road-rail vehicle according to claim 2, characterized in that: One end of a return spring (10) is connected to one side of the vertical rod (84), and the other end of the return spring (10) is connected to the left sliding beam (1).

6. The sliding suspension locking mechanism for a road-rail vehicle according to claim 1, characterized in that: A plurality of side slide plates (11) are installed on the sides of the left sliding beam (1) and the right sliding beam (2) that are close to each other.

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