CN-224225069-U - Bogie with adjustable track gauge

Abstract

The utility model discloses a bogie with an adjustable track gauge, which comprises a bogie body, wherein travelling mechanisms are arranged on the front side and the rear side of the bogie body, each travelling mechanism comprises a rotating shaft, travelling wheels, a connecting rod, a connecting block and locking screws, the rotating shaft is rotatably arranged on the bogie body, the rotating shaft is sleeved with a left travelling wheel and a right travelling wheel, the connecting rod is fixed on the opposite side of the travelling wheel, the connecting rod is arranged in the connecting block arranged on the rotating shaft in a penetrating way, the locking screws are arranged in threaded holes of the connecting block, the end parts of the locking screws are provided with bolts, and the bolts are inserted into locking grooves on the surface of the connecting rod for fixing the track gauge.

Inventors

• Zhang Zichu
• ZHANG KUIGUI
• GAO JIAN
• PAN RONGXI

Assignees

• 铜陵铁科轨道装备股份有限公司

Dates

Publication Date

20260512

Application Date

20250626

Claims (6)

1. 1. The bogie with the adjustable track gauge comprises a bogie body (1) and is characterized in that travelling mechanisms (2) are arranged on the front side and the rear side of the bogie body (1), each travelling mechanism (2) comprises a rotating shaft (23) rotatably arranged on the bogie body (1), a left travelling wheel (21) and a right travelling wheel (21) are sleeved on each rotating shaft (23), and the travelling wheels (21) and the rotating shafts (23) synchronously rotate; The left and right sides of the two walking wheels (21) are fixed with a plurality of connecting rods (22), two circular connecting blocks (25) are fixed at the positions of the rotating shaft (23) between the two walking wheels (21), the connecting rods (22) penetrate through the connecting blocks (25), and locking screws (24) for locking the connecting rods (22) are arranged on the circumferential surfaces of the connecting blocks (25) in a threaded mode.
2. 2. The bogie with adjustable track gauge according to claim 1, wherein the two ends of the rotating shaft (23) are both fixed with step shafts (232), and a plurality of transversely arranged limit ribs (231) are fixed on the surface of the outer side surface of the rotating shaft (23).
3. 3. The bogie with adjustable track gauge according to claim 2, wherein a plurality of guide holes (252) penetrating through the side surface of the connecting block (25) are formed, and threaded holes (251) are formed in the circumferential surface of the connecting block (25).
4. 4. An adjustable gauge bogie according to claim 3 wherein the locking screw (24) is threadedly mounted in the threaded hole (251), and a plug pin (241) extending into the guide hole (252) is fixed to the end portion of the locking screw (24).
5. 5. The bogie with adjustable track gauge according to claim 4, wherein a sleeve hole is formed in the center of the travelling wheel (21), and a limit groove (211) matched with the limit rib (231) is formed in the inner side surface of the sleeve hole.
6. 6. The bogie with adjustable track gauge according to claim 4, wherein a plurality of locking grooves (221) which are uniformly arranged left and right are formed on the outer side surface of the connecting rod (22), and the width of the locking grooves (221) is the same as the diameter of the plug pins (241).

Description

Bogie with adjustable track gauge Technical Field The utility model belongs to the technical field of bogies, and particularly relates to a bogie with an adjustable track gauge. Background The gauge is the distance between two rails of a railway and is an important parameter in determining the suitability of a railway vehicle for operation. Standard gauges used in different countries or regions vary and different gauge standards, such as standard, narrow or wide rail, etc., may be used even in different rail systems in the same country. In order to improve the adaptability of railway vehicles on different gauge tracks, the development of a bogie with a gauge adjustable function is an important technical direction. The existing track gauge adjustable bogie structure generally depends on a complex hydraulic device or an automatic system in the adjusting process, so that the manufacturing and maintenance cost of the bogie is increased, the structure is complex, the adjusting process is complex, and the problems of inaccurate positioning, low adjusting efficiency, poor using stability and the like exist. In addition, part of the existing schemes lack of a reliable locking mechanism after the track gauge adjustment is completed, and the adjustment position is easily deviated due to vibration or load impact, so that the running safety and stability of the train are affected. Disclosure of utility model Aiming at the problems in the prior art, the utility model aims to provide the bogie with adjustable track gauge, which can be realized, and is convenient to adjust and reliable in positioning. In order to achieve the above purpose, the present utility model provides the following technical solutions: The bogie with adjustable track gauge comprises a bogie body, wherein travelling mechanisms are arranged on the front side and the rear side of the bogie body, each travelling mechanism comprises a rotating shaft rotatably arranged on the bogie body, a left travelling wheel and a right travelling wheel are sleeved on the rotating shaft, and the travelling wheels and the rotating shaft synchronously rotate; The two walking wheels are fixed with a plurality of connecting rods on opposite sides of the left walking wheel and the right walking wheel, two circular connecting blocks are fixed on the part of the rotating shaft between the two walking wheels, the connecting rods penetrate through the connecting blocks, and locking screws for locking the connecting rods are arranged on the circumferential surface threads of the connecting blocks. Further, step shafts are fixed at two ends of the rotating shaft, and a plurality of transversely arranged limit ribs are fixed on the surface of the outer side face of the rotating shaft. Further, a plurality of penetrating guide holes are formed in the side face of the connecting block, and threaded holes are formed in the circumferential face of the connecting block. Further, the locking screw is installed in the threaded hole in a threaded mode, and a bolt extending into the guide hole is fixed at the end position of the locking screw. Further, a sleeve hole is formed in the center of the travelling wheel, and a limiting groove matched with the limiting rib is formed in the inner side face of the sleeve hole. Further, a plurality of locking grooves which are uniformly arranged left and right are formed in the outer side surface of the connecting rod, and the width of each locking groove is the same as the diameter of the bolt. Compared with the prior art, the utility model has the beneficial effects that: According to the utility model, the travelling mechanisms are arranged on the front side and the rear side of the bogie body, accurate adjustment of the track gauge is realized through the cooperation structure among the travelling wheels, the connecting rods, the connecting blocks and the locking screws in the travelling mechanisms, the problems of complex structure and inconvenient operation of the existing track gauge adjustment are solved, and the travelling wheels relatively move through the connecting rods penetrating through the connecting blocks, so that the track gauge adjustment process is free from a complex hydraulic system or an electric control device, the structure is effectively simplified, and the adjustment efficiency and the operation convenience are improved. The utility model realizes stable locking of the track gauge after adjustment by arranging the locking screw and the bolt structure and inserting the bolt into the locking groove on the surface of the connecting rod, and avoids the problem of loose connecting pieces caused by vibration or load impact in the running process of the train, and the bolt and the locking groove are in a point-to-point limiting mode, so that each part after adjustment can be ensured to be reliably positioned in the running state, and the problems of easy looseness and insufficient positioning precision after adjustment in the pri