Rail special for quick positioning of bogie

Abstract

The utility model discloses a special rail for quickly positioning a bogie. The special rail comprises a main rail, a pneumatic motor and a rail changing structure in the main rail, the rail changing structure comprises a displacement rail, a turbine, a mounting seat, a connecting shaft rod, a worm and a positioning seat; a shaft body of the displacement rail is provided with a V face and a plane, a turbine is arranged at one end of the displacement rail, a mounting seat is sleeved on the outer side of the turbine, and a positioning seat is fixedly arranged at the other end of the displacement rail. The outer end of the connecting shaft rod is connected with the pneumatic motor, the worm is arranged on the connecting shaft rod in a sleeving mode and integrally penetrates into the inner side of the mounting base, and the worm is meshed with the turbine. The trafficability is guaranteed, and flexible switching between a V-shaped positioning mode and a plane passing mode is guaranteed through the rail switching structure. The device basically does not occupy space, and only occupies the position of an original track while ensuring functions. According to the utility model, the structure is simplified, and the simplest V-shaped positioning design is adopted and fused into the main rail, so that the two rails are finally simplified.

Description

TECHNICAL FIELD

[0001] The utility model belongs to railway transport machinery structure technical field relates to a railway track, specifically relates to a bogie quick positioning special track. BACKGROUND

[0002] In the subway bogie overhaul work, especially in the automatic bogie overhaul operation, often involves the subway bogie quick limiting and positioning, more with special limiting device limiting, such as cutting V groove in the track, increasing the blocking mechanism on the track flange side, to meet the use requirement of automatic limiting and positioning.

[0003] Among them, the V groove cutting mode on the I-beam track, the change investment is small, the positioning precision is better, only needs to be pushed into the position by manual, can realize that the bogie self weight limits itself, and the V groove has good positioning characteristics. The most obvious disadvantage is that the track strength is obviously weakened, when the track is only used for circulation, the passing performance is affected.

[0004] Among them, increasing the blocking mechanism on the track flange side, etc. can realize the limiting of the bogie without damaging the original track, mainly increasing the blocking mechanism and automatic alignment mechanism on the side, ensuring that the wheelset meets the positioning precision requirement under different outer diameter difference. The disadvantage is that the accurate positioning ability is slightly poor, the structure is complex, and the heavy load bearing capacity is weak.

[0005] In addition, there are various ways on the market, such as automatically supporting the wheelset for positioning, increasing special limiting mechanism with high automation degree between tracks. The defects are that the foundation reconstruction is large, the structure is complex, the space is occupied, and the problems are also relatively prominent,

[0006] Therefore, the current subway bogie quick limiting and positioning mode has the following problems:

[0007] (1) Poor passing performance: for the bogie not working (such as the V groove cutting mode on the I-beam track).

[0008] (2) Complex structure: some mechanisms have relatively complete functions, but are too complex, high in cost, troublesome in later maintenance and high in cost.

[0009] (3) Space occupation: in the relatively narrow space of the vehicle depot, many mechanisms cannot be applied in the actual production environment, and the popularization is insufficient.

[0010] (4) Damage to the track: the existing track is modified, which reduces the track strength and causes deformation.

[0011] (5) Poor original I-beam track reference: since the existing I-beam track has many curved surfaces, the reference surface is not suitable for automatic matching installation, debugging and other conditions. SUMMARY

[0012] In view of the defects and deficiencies in the prior art, the utility model discloses a bogie quick positioning special track.

[0013] According to the bogie positioning difficult problem, the utility model first considers nondestructive operation, secondly reduces space occupation, reduces civil engineering cost, and the simpler structure is, the more stable, and the later cost is also lower.Moreover, according to the automation condition, a self-made special track is considered as the most stable for later equipment matching, can ensure that the special track datum is more suitable for the automatic demand of equipment, positioning mode adopts relatively simple V type and positions optimally, and the accuracy is high, can better compatible wheel diameter difference, and through the track switching mode, it has better passability, and should try to be equivalent with the original track space, and not excessively occupy other space, and the limiting positioning mode is simplified as two tracks as the optimal mode.

[0014] The utility model discloses the technical scheme that solves its technical problem is:

[0015] A bogie quick positioning special track, including main rail, pneumatic motor and the rail switching structure in main rail, the rail switching structure includes variable position rail, turbine, mounting seat, connecting shaft, worm and positioning seat, the side surface of the shaft body of variable position rail is equipped with V surface and plane respectively, is arranged 90 DEG, and one end of variable position rail sets up turbine, and the outside of turbine is equipped with mounting seat, and the other end of variable position rail is fixedly set up positioning seat, the outer end of connecting shaft is connected with pneumatic motor, and worm is sleeved on connecting shaft and is integrally penetrated to the inside of mounting seat, and worm is engaged with turbine, thereby automatically switching V type positioning or plane through mode, and turbine worm can realize self-locking, and ensure that the stability of the force of a certain mode can be guaranteed in use.

[0016] Further, the bogie quick positioning special track further includes a sub-track.

[0017] Still further, the sub-track adopts a railway original track.

[0018] Further, the variable position rail is rotated 90° or reversely rotated 90°.

[0019] Further, the pneumatic motor is fixed on a cylinder connecting plate, and the cylinder connecting plate is fixed on the side surface of the main rail.

[0020] Further, the end of the connecting shaft is sleeved with a bearing, and a deep groove ball bearing is fixed on the mounting seat by a hole with a retainer.

[0021] Further, the bogie quick positioning special track can be connected with the railway original track.

[0022] Further, the outer surface of the main rail is a regular plane, facilitating later automatic expansion, such as installing sensor equipment.

[0023] The utility model has the advantages that:

[0024] (1) The special track for quickly positioning the bogie of the utility model guarantees passability, and the track structure ensures flexible switching between the two modes of V-shaped positioning and plane passing.

[0025] The positioning is in the simple V-shaped mode, is accurate, and can also better accommodate wheel diameter differences.

[0026] (2) The special track for quickly positioning the bogie of the utility model is designed with a simplified structure, adopts the simplest V-shaped positioning design and is integrated into the main rail, and is finally simplified into two tracks.

[0027] (3) The special track for quickly positioning the bogie of the utility model basically does not occupy space, guarantees functions, and only occupies the original track position.

[0028] (4) The special track for quickly positioning the bogie of the utility model does not damage the original track, connects the special track with the original track, and avoids defects caused by modifying the original track.

[0029] (5) The special track for quickly positioning the bogie of the utility model has good reference, adopts a customized track (the outer surface of the main body of the main rail is a reference, is a regular plane, and facilitates later expansion, such as installing sensor equipment and other supporting mechanisms), and is different from the curved surface and inclined surface of the original track, which is not convenient for installing sensor equipment and other supporting mechanisms, greatly adapts to the use of supporting automatic equipment. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 The utility model is a schematic diagram in which the special track is used to place a bogie;

[0031] Figure 2 The utility model is a schematic diagram of V-shaped positioning of the main rail (the V surface faces upward);

[0032] Figure 3 The utility model is a schematic diagram of plane passing of the main rail (the plane faces upward);

[0033] Figure 4 The utility model is an exploded view of the main rail;

[0034] Figure 5 The utility model is an exploded view of the track structure;

[0035] Wherein, 1. main rail, 2. displacement mechanism, 3. subrail, 4. rail structure, 5. first inner hexagonal head screw, 6. second inner hexagonal head screw, 7. main rail body, 8. third inner hexagonal head screw, 9. cylinder connecting plate, 10. pneumatic motor, 11. fourth inner hexagonal head screw, 12. displacement rail, 13. turbine, 14. mounting seat, 15. hole baffle, 16. first deep groove ball bearing, 17. oil groove, 18. inner hexagonal countersunk head screw, 19. connecting shaft, 20. second deep groove ball bearing, 21. worm, 22. positioning seat. DETAILED DESCRIPTION

[0036] The utility model will be further described below in combination with the drawings and examples.

[0037] The bogie quick positioning special track of the embodiment includes a main rail 1 and a subrail 3, the main rail 1 is provided with a displacement mechanism 2, and has the functions of automatic switching V-type positioning (such as Figure 2 V surface of the main rail 1 faces upward) and plane passing (as Figure 3 the plane of the main rail 1 faces upward).

[0038] As Figure 4 shown, the main rail body 7 of the main rail 1 is hollowed out; the displacement mechanism 2 includes a rail switching structure 4, fixing screws, a cylinder connecting plate 9 and a pneumatic motor 10, and the rail switching structure 4 is fixed in the main rail body 7 through the fixing screws (such as a first inner hexagonal head screw 5 and a second inner hexagonal head screw 6) at both ends.

[0039] The pneumatic motor 10 is fixed on the main rail body 7 and connected with the rail switching structure 4. Specifically, the pneumatic motor 10 is fixed on the cylinder connecting plate 9 through a third inner hexagonal head screw 8, and the cylinder connecting plate 9 is fixed on the side surface of the main rail body 7 through a fourth inner hexagonal head screw 11.

[0040] As Figure 5 shown, the rail switching structure 4 includes a displacement rail 12, a turbine 13, a mounting seat 14, a connecting shaft 19, a second deep groove ball bearing 20, a worm 21 and a positioning seat 22.

[0041] Among them, the shaft body side surface of the displacement rail 12 is respectively provided with a V surface and a plane, the V surface and the plane are adjacently arranged, and the V surface and the plane form a 90° angle, the other two surfaces of the shaft body of the displacement rail 12 are cylindrical surfaces (the displacement rail 12 can only rotate 90°, the V surface is obtained by forward rotation of 90° of the pneumatic motor 10, and the plane is obtained by reverse rotation of 90°), one end of the displacement rail 12 is provided with the turbine 13, the mounting seat 14 is sleeved outside the turbine 13, and the other end of the displacement rail 12 is fixedly provided with the positioning seat 22. Specifically, the above-mentioned first inner hexagonal head screw 5 and the second inner hexagonal head screw 6 respectively fix the mounting seat 14 and the positioning seat 22 in the main rail body 7.

[0042] The outer end of the connecting shaft 19 is connected with the pneumatic motor 10, the second deep groove ball bearing 20 is sleeved on the connecting shaft 19, the worm 21 is sleeved on the connecting shaft 19, and then the whole is penetrated into the inside of the mounting base 14, the worm 21 is engaged with the turbine 13, the connecting shaft 19 is driven to rotate by the pneumatic motor 10, so that the worm 21 is driven to rotate, the turbine 13 is driven to rotate due to the engagement between the worm 21 and the turbine 13, and finally the axle body of the displacement rail 12 is driven to rotate, so that the functions of automatically switching the V-shaped positioning (for example, the V surface of the main rail 1 faces upward) and the flat surface passing (for example, the flat surface of the main rail 1 faces upward) are realized. Figure 2 The main rail 1 V surface faces upward) and flat surface passing ( Figure 3 The main rail 1 flat surface upwardly shown) functions.

[0043] Preferably, the rail changing structure 4 further comprises a hole check ring 15, a first deep groove ball bearing 16, an oil groove 17 and an internal hexagon countersunk screw 18.

[0044] The first deep groove ball bearing 16 is sleeved on the end of the connecting shaft 19 (relative to the end connected with the pneumatic motor 10), and the first deep groove ball bearing 16 is fixed on the mounting base 14 through the hole check ring 15.

[0045] The oil groove 17 is fixed at the bottom of the mounting base 14 through the internal hexagon countersunk screw 18, and plays a lubricating role on the engagement between the worm 21 and the turbine 13.

[0046] The above only describes the preferred example embodiments of the utility model, and does not constitute the limitation on the protection scope of the utility model. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A special track for rapid positioning of bogies, characterized in that, The bogie rapid positioning track includes a main rail, a pneumatic motor, and a track-changing structure within the main rail. The track-changing structure includes a displacement rail, a turbine, a mounting base, a connecting rod, a worm gear, and a positioning base. The shaft side of the displacement rail is provided with a V-shaped surface and a flat surface, arranged at 90°. A turbine is provided at one end of the displacement rail, and a mounting base is fitted on the outside of the turbine. A positioning base is fixedly provided at the other end of the displacement rail. The outer end of the connecting rod is connected to the pneumatic motor. The worm gear is fitted on the connecting rod and passes entirely into the inner side of the mounting base. The worm gear meshes with the turbine, thereby automatically switching between V-shaped positioning and flat passing modes.

2. The bogie rapid positioning special track as described in claim 1, characterized in that, The bogie rapid positioning special track also includes a secondary rail.

3. The bogie rapid positioning special track as described in claim 2, characterized in that, The secondary rail uses the original railway track.

4. A bogie rapid positioning special track as described in any one of claims 1-3, characterized in that, The displacement rail can be rotated 90° in the forward direction or 90° in the reverse direction.

5. A bogie rapid positioning special track as described in any one of claims 1-3, characterized in that, The pneumatic motor is fixed to the cylinder connecting plate, and the cylinder connecting plate is fixed to the side of the main rail.

6. A bogie rapid positioning special track as described in any one of claims 1-3, characterized in that, A bearing is fitted onto the end of the connecting rod, and a deep groove ball bearing is fixed to the mounting base through a retaining ring in the hole.

7. A bogie rapid positioning special track as described in any one of claims 1-3, characterized in that, The bogie rapid positioning special track can be connected to the original railway track.

8. A bogie rapid positioning special track as described in any one of claims 1-3, characterized in that, The outer surface of the main rail is designed as a regular plane to facilitate future automated expansion.

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