Turnover overhauling device for bogie

Abstract

The utility model discloses a bogie overturning maintenance device which is arranged on the two sides of a bogie in a bilateral symmetry mode. Comprising a mechanical sliding table, a stand column arranged on the mechanical sliding table, an overturning assembly arranged on the stand column and an expanding and clamping assembly arranged at the front end of the overturning assembly. The mechanical sliding table is provided with a track, and the stand column is installed on the track and can move in the horizontal direction; the overturning assembly is installed on the stand column and comprises a rotating shaft and a first driving element for driving the rotating shaft to rotate around the horizontal axis, and the front end of the rotating shaft is connected with the expanding and clamping assembly; and the expanding and clamping assembly comprises a second driving element, a supporting seat, an upper supporting plate and a lower pressing plate, the upper supporting plate is installed on the supporting seat, a containing cavity of the second driving element is formed in the rotating shaft, a lower pressing arm is hinged to the output end of the second driving element, and the free end of the lower pressing arm is connected with the lower pressing plate. Stable clamping and overturning maintenance of the bogie are achieved, self-locking is good, and safety and reliability are achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of bogie maintenance, and in particular relates to a bogie overturning maintenance device. Background Art

[0002] Railway train bogies are key components of trains and the main load-bearing structure of trains. To ensure safe operation of trains, bogies need to be inspected and maintained regularly.

[0003] like Figure 1 As shown, during the inspection process, the bogie needs to be turned over many times, especially for appearance inspection. Because there are many pits and structures on the appearance of the bogie, the operator needs to carefully inspect its appearance. However, the existing bogie turning device has a complex structure and is not easy to operate. At the same time, there are defects such as unstable clamping structure and low safety. Or the operator uses a crane and a lifting rope to assist in turning, which is time-consuming, labor-intensive and troublesome to operate. The above technical problems are urgently needed to be solved by those skilled in the art. Utility Model Content

[0004] In view of the above-mentioned deficiencies in the prior art, the utility model provides a bogie flipping and maintenance device, which can realize stable clamping and flipping of the bogie, has good self-locking, and is safe and reliable.

[0005] The technical solution of the utility model is:

[0006] A bogie overturning and maintenance device is symmetrically arranged on both sides of the bogie;

[0007] It includes: a mechanical slide, a column arranged on the mechanical slide, a flip assembly arranged on the column, and an expansion clamp assembly arranged at the front end of the flip assembly;

[0008] The mechanical slide has a track, the column is mounted on the track and can move in the horizontal direction;

[0009] A flip assembly is mounted on the column, comprising a rotating shaft and a first driving element driving the rotating shaft to rotate around a horizontal axis, wherein the front end of the rotating shaft is connected to the expansion and clamping assembly;

[0010] The expansion clamp assembly includes a second driving element, a support seat, an upper support plate and a lower pressure plate. The support seat is fixed at the front end of the rotating shaft, the upper support plate is installed on the support seat, a accommodating cavity for the second driving element is opened in the rotating shaft, the output end of the second driving element is hinged with a lower pressure arm, and the free end of the lower pressure arm is connected to the lower pressure plate to adjust the distance between it and the upper support plate relatively above.

[0011] In a preferred example of the utility model, a fixed seat is installed on the column, the first driving element is installed on the fixed seat, the first driving element includes a rotary cylinder, a transmission shaft and a rotary pump, the rotary cylinder is connected to the rotary shaft through a transmission shaft, and the rotary pump is connected to the rotary cylinder through a hydraulic joint.

[0012] In a preferred example of the utility model, the lower pressure arm includes a push rod and a triangular block, the second driving element is configured as a telescopic cylinder, the piston rod of the telescopic cylinder is hinged to the push rod and can drive the push rod to move, and the triangles of the triangular block are respectively hinged to the push rod, the support seat and the lower pressure plate.

[0013] In a preferred embodiment of the present invention, a rubber pad is installed on the contact surface between the upper support plate and the bogie.

[0014] In a preferred example of the utility model, the mechanical slide also includes a base, a rack installed on one side of the base, a gear meshing with the rack, and a reduction motor driving the gear to rotate. The track is horizontally installed on the base and arranged parallel to the rack. The reduction motor is installed on one side of the column extending outward to drive the column to slide along the track.

[0015] Beneficial effect: The utility model describes a bogie flipping and maintenance device, in which the bogie is suspended between a pair of symmetrically arranged flipping devices, and the flipping assembly is driven forward by a mechanical slide, so that the expansion and clamping assembly extends into the receiving part of the bogie, and the upper support plate is close to the upper receiving surface of the bogie and stops automatically after it is in place. The lower pressure plate is driven downward by the second driving element, and with the assistance of the lower pressure arm, the lower pressure plate is pressed against the lower receiving surface, and at the same time, the upper support plate is abutted against the upper receiving surface. The clamping and loosening of the bogie is achieved by the expansion and clamping assembly, and then the flipping assembly drives it to rotate, and the operator confirms its inspection.

[0016] The expansion and clamping assembly of the utility model can realize stable clamping of the bogie, has good self-locking, and is safe and reliable; the turning assembly can turn the bogie to any angle, which is convenient for overhauling the bogie, has a simple structure, and makes overhaul more convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the bogie described in the background technology of the utility model;

[0018] Figure 2 A schematic diagram of the structure of a bogie overturning and repairing device provided by the utility model;

[0019] Figure 3 A front view of a bogie overturning and repairing device provided by the utility model;

[0020] Figure 4 A half-section view of a bogie overturning and repairing device provided by the utility model;

[0021] Figure 5 This is a front view of the installation of a bogie overturning and maintenance device and a bogie provided by the utility model. In the figure: 1 mechanical slide, 11 track, 12 base, 13 rack, 14 gear, 15 reduction motor;

[0022] 2 columns;

[0023] 3 flip assembly, 31 rotating shaft, 32 first driving element, 321 rotating cylinder, 322 transmission shaft, 323 rotating pump, 33 fixing seat;

[0024] 4 expansion clamp assembly, 41 second driving element, 42 support seat, 43 upper support plate, 44 lower pressure plate, 45 lower pressure arm, 46 rubber pad. DETAILED DESCRIPTION

[0025] 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 of 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.

[0026] like Figure 2 As shown, the utility model provides a bogie overturning maintenance device, which is symmetrically arranged on both sides of the bogie, including:

[0027] A mechanical slide 1, a column 2 arranged on the mechanical slide 1, a flip assembly 3 arranged on the column 2, and an expansion clamp assembly 4 arranged at the front end of the flip assembly 3;

[0028] like Figure 3 As shown, the mechanical slide 1 has a track 11, and the column 2 is installed on the track 11 and can move in the horizontal direction;

[0029] like Figure 4 As shown, the flip assembly 3 is installed on the column 2, and includes a rotating shaft 31 and a first driving element 32 driving the rotating shaft 31 to rotate around a horizontal axis. The front end of the rotating shaft 31 is connected to the expanding and clamping assembly 4;

[0030] The expansion and clamping assembly 4 includes a second driving element 41, a support seat 42, an upper support plate 43 and a lower pressure plate 44. The support seat 42 is fixed to the front end of the rotating shaft 31, and the upper support plate 43 is installed on the support seat 42. A accommodating cavity for the second driving element 41 is opened in the rotating shaft 31. The output end of the second driving element 41 is hinged with a lower pressure arm 45, and the free end of the lower pressure arm 45 is connected to the lower pressure plate 44 to adjust the distance between it and the upper support plate 43 relatively above, and the two opposite clamping surfaces are planes.

[0031] When working:

[0032] The bogie turning overhaul device of the utility model is installed on the bogie maintenance line, and is pushed into the bogie turning over station by a trolley and aligned, and the rotation axes of the two rotating shafts 31 are concentrically arranged, such as Figure 5 As shown, the bogie is placed between a pair of symmetrically arranged turning and maintenance devices by a trolley, and the turning assembly 3 is driven forward by the mechanical slide 1, so that the expansion and clamping assembly 4 is extended into the receiving part of the bogie, and the upper support plate 43 is close to the upper receiving surface of the bogie, and stops automatically after it is in place. The lower pressure plate 44 is driven downward by the second driving element 41, and with the assistance of the lower pressure arm 45, the lower pressure plate 44 is close to the lower receiving surface, and the upper support plate 43 is abutted against the upper receiving surface. The clamping and releasing of the bogie are realized by the expansion and clamping assembly 4, and the first driving element 32 drives the rotating shaft 31 to rotate, and at the same time drives the bogie to rotate, and the operator confirms its maintenance.

[0033] After the inspection is completed, the trolley lifts the bogie, the expansion clamp assembly 4 returns to its original position to release the bogie, and at the same time moves backward under the drive of the mechanical slide 1, and the bogie enters the next workstation with the trolley.

[0034] On the basis of the above embodiment, a fixed seat 33 is installed on the column 2, and the first driving element 32 is installed on the fixed seat 33. The first driving element 32 includes a rotating cylinder 321, a transmission shaft 322 and a rotating pump 323. The rotating cylinder 321 is connected to the rotating shaft 31 through a transmission shaft 322, and the rotating pump 323 is connected to the rotating cylinder 321 through a hydraulic joint to provide hydraulic power for the rotating cylinder 321.

[0035] On the basis of the above embodiment, the lower pressure arm 45 includes a push rod 451 and a triangular block 452. The second driving element 41 is configured as a telescopic cylinder. The piston rod of the telescopic cylinder is hinged to the push rod 451 and can drive the push rod 451 to move. The triangles of the triangular block 452 are respectively hinged to the push rod 451, the support seat 42 and the lower pressure plate 44.

[0036] The triangular block 452 is used as a connecting rod, and the triangles of the triangular block 452 are respectively hinged to the push rod 451, the support seat 42 and the lower pressure plate 44, so the structure is simple and the force is good. At the same time, the freedom of the rod system is increased, the curve adjustment range is wide, and the curve forms pressure to give full play to its performance.

[0037] On the basis of the above-mentioned embodiment, a rubber pad 46 is installed on the contact surface between the upper support plate 43 and the bogie to avoid hard contact with the bogie.

[0038] On the basis of the above embodiment, the mechanical slide 1 also includes a base 12, a rack 13 installed on one side of the base 12, a gear 14 meshing with the rack 13, and a reduction motor 15 driving the gear 14 to rotate. The track 11 is horizontally installed on the base 12 and arranged parallel to the rack 13. The reduction motor 15 is installed on one side of the column 2 extending outward to drive the column 2 to slide along the track 11. The column 2 drives the gear 14 to rotate and slide along the extension direction of the rack 13 through the reduction motor 15.

[0039] In summary:

[0040] The expansion and clamping assembly of the utility model can realize stable clamping of the bogie, has good self-locking, and is safe and reliable; the turning assembly can turn the bogie to any angle, which is convenient for overhauling the bogie, has a simple structure, and makes overhaul more convenient and quick.

[0041] The above shows and describes the basic principle, main features and advantages of the utility model. The front, back, left and right used in the text are not specific, mainly for a more intuitive description of the technical solution, and do not have a limiting effect. The technical personnel in this industry should understand that the above implementation is only to illustrate the technical concept and characteristics of the utility model, and its purpose is to enable people familiar with this technology to understand the content of the utility model and implement it, and it cannot be used to limit the protection scope of the utility model. All equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A bogie overturning maintenance device, which is symmetrically arranged on both sides of the bogie, characterized in that: It comprises a mechanical slide (1), a column (2) arranged on the mechanical slide (1), a turning assembly (3) arranged on the column (2), and an expanding and clamping assembly (4) arranged at the front end of the turning assembly (3); The mechanical slide (1) has a track (11), and the column (2) is installed on the track (11) and can move in the horizontal direction; A turning assembly (3) is mounted on the column (2), comprising a rotating shaft (31) and a first driving element (32) for driving the rotating shaft (31) to rotate around a horizontal axis, wherein the front end of the rotating shaft (31) is connected to the expanding and clamping assembly (4); The expansion clamp assembly (4) comprises a second driving element (41), a support seat (42), an upper support plate (43) and a lower pressure plate (44), wherein the support seat (42) is fixed at the front end of the rotating shaft (31), the upper support plate (43) is installed on the support seat (42), a housing cavity for the second driving element (41) is provided in the rotating shaft (31), a lower pressure arm (45) is hinged at the output end of the second driving element (41), and the free end of the lower pressure arm (45) is connected to the lower pressure plate (44) to adjust the distance between the lower pressure arm (45) and the upper support plate (43) above.

2. A bogie overturning and maintenance device according to claim 1, characterized in that: A fixing seat (33) is mounted on the column (2), the first driving element (32) is mounted on the fixing seat (33), the first driving element (32) comprises a rotating cylinder (321), a transmission shaft (322) and a rotating pump (323), the rotating cylinder (321) is connected to the rotating shaft (31) via a transmission shaft (322), and the rotating pump (323) is connected to the rotating cylinder (321) via a hydraulic joint.

3. A bogie overturning and maintenance device according to claim 1, characterized in that: The lower pressure arm (45) includes a push rod (451) and a triangular block (452); the second driving element (41) is configured as a telescopic oil cylinder; the piston rod of the telescopic oil cylinder is hinged to the push rod (451) and can drive the push rod (451) to move; the triangles of the triangular block (452) are respectively hinged to the push rod (451), the support seat (42) and the lower pressure plate (44).

4. A bogie overturning and maintenance device according to claim 1, characterized in that: A rubber pad (46) is installed on the contact surface between the upper supporting plate (43) and the bogie.

5. The bogie overturning and maintenance device according to claim 1, characterized in that: The mechanical slide (1) also includes a base (12), a rack (13) installed on one side of the base (12), a gear (14) meshing with the rack (13), and a reduction motor (15) driving the gear (14) to rotate; the track (11) is horizontally installed on the base (12) and arranged parallel to the rack (13); the reduction motor (15) is installed on one side of the column (2) extending outward, and is used to drive the column (2) to slide along the track (11).

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