Locomotive wheel supporting device

Abstract

The utility model relates to a locomotive wheel supporting device which comprises a base, a plurality of supports are arranged on the base, two supports are oppositely arranged on the base, the supports are also arranged on the supports, idler wheels are rotationally arranged on the supports, and each wheel is provided with a tread and a flange extending in the radial direction relative to the tread. A first groove used for being matched with the tread is formed in the roller in the circumferential direction of the roller, and a second groove matched with the flange is formed in the first groove in the circumferential direction of the first groove. The wheels are arranged to effectively support the wheels, so that the wheels are convenient to turn over, and the operations of wheel surface cleaning, hub hole size measurement and brake disc mounting surface molybdenum spraying are convenient to complete.

Description

Technical Field

[0001] The utility model relates to the technical field of locomotive wheel maintenance, and particularly relates to a locomotive wheel support device. Background Art

[0002] In the field of locomotive maintenance, locomotive wheels are key components of the running gear. After the wheels are processed, anti-rust oil is applied to the surface for protection to avoid rusting. Before the wheel set assembly, the wheels need to complete the cleaning of the anti-rust oil on the surface, the measurement and selection of the hub hole size, and the spraying of molybdenum disulfide on the brake disc mounting surface, etc., to ensure that the wheel size and surface quality meet the subsequent assembly requirements. The cleaning and molybdenum spraying of the wheels need to be carried out on the inner and outer sides of the wheels, and the wheels need to be flipped during the process. Since the weight of a single wheel is about 700 kilograms, frequent flipping is time-consuming and laborious, with low work efficiency and high labor intensity. Content of the Utility Model

[0003] Aiming at the problems existing in the prior art, the utility model provides a locomotive wheel support device.

[0004] The technical solution adopted by the utility model to solve the above technical problems is: a locomotive wheel support device, including a base, on which a plurality of supports are provided. Two brackets are oppositely arranged on the base, and supports are also provided on the brackets. A roller is rotatably arranged on the support. The wheel has a tread and a flange radially extending relative to the tread. A first groove for cooperating with the tread is arranged along the circumferential direction of the roller, and a second groove for cooperating with the flange is arranged along the circumferential direction in the first groove.

[0005] As a preferred solution, the base includes two oppositely arranged longitudinal beams and two oppositely arranged cross beams. The two cross beams are located between the two longitudinal beams. Two first legs are provided at the bottom of the longitudinal beams, and a second leg is provided between the two first legs at the bottom of the longitudinal beams.

[0006] As a preferred solution, a support rod is arranged between two second legs opposite to each other along the length direction of the cross beam, and an oil receiving box is placed on the two support rods.

[0007] As a preferred solution, the bracket includes two vertically arranged vertical beams, and the vertical beams are arranged at the upper ends of the longitudinal beams.

[0008] As a preferred solution, the support includes a central shaft and two mounting seats. The two ends of the central shaft are respectively rotatably connected to the mounting seats, and the roller is sleeved on the central shaft.

[0009] As a preferred solution, the roller is made of nylon material.

[0010] As a preferred solution, a retaining ring and a snap ring are arranged on the outer wall of the central shaft, and the roller is located between the retaining ring and the snap ring.

[0011] As a preferred solution, a hook for lifting is provided on the vertical beam.

[0012] As a preferred solution, a reinforcing rod is provided between the vertical beam and the longitudinal beam.

[0013] The beneficial effects of the present application are: 1. By arranging rollers on the base and the bracket, the wheel is effectively supported, and the rollers are rotatably connected to the supports to ensure that the wheel can roll, which facilitates the wheel flipping, thereby facilitating the wheel surface cleaning, hub hole size measurement, and brake disc mounting surface molybdenum spraying operations; and the first groove cooperates with the tread of the wheel to increase stability during use, and the second groove cooperates with the flange of the wheel to effectively prevent the wheel from tipping over.

[0014] 2. The oil collecting box of the present application can be placed directly on the support rod, so as to collect the oil dirt generated during the wheel cleaning process, and is easy to take and convenient for regular cleaning of the oil collecting box.

[0015] 3. The roller of the present application is made of nylon material, which can avoid being crushed during the rotation of the wheel and affecting the appearance quality of the wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 for Figure 1 A top view of

[0018] Figure 3 for Figure 2 Sectional view of AA in the middle;

[0019] Figure 4 This is a schematic diagram of the structure of the mounting seat of the utility model;

[0020] Figure 5 It is a schematic diagram of the structure of an existing wheel.

[0021] Markings in the figure: 1. base, 11. cross beam, 12. longitudinal beam, 13. first leg, 14. second leg, 2. vertical beam, 21. hook, 22. reinforcing rod, 3. mounting seat, 31. bearing cover, 32. annular stopper, 33. bearing, 34. protective cover, 341. annular protrusion, 35. bolt, 36. screw, 4. roller, 41. first groove, 42. second groove, 5. support rod, 51. oil collecting box, 6. center axis, 61. first bearing mounting section, 62. transition section, 63. retaining ring, 64. roller mounting section, 65. second bearing mounting section, 66. retaining ring, 7. wheel, 71. tread, 72. flange. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solutions and advantages of the present utility model more clear and understandable, the present utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that in the description of the present utility model, unless otherwise specified, the meaning of "a plurality of" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation to the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0023] Please refer to Figures 1-5 , an embodiment of the present utility model provides a locomotive wheel support device, including a base 1. A plurality of supports are provided on the base 1. Two brackets are oppositely arranged on the base 1, and supports are also provided on the brackets. A roller 4 is rotatably provided on the support. The wheel 7 has a tread 71 and a flange 72 that radially extends relative to the tread 71. A first groove 41 for cooperating with the tread 71 is provided on the roller 4 along its circumferential direction, and a second groove 42 for cooperating with the flange 72 is provided in the first groove 41 along its circumferential direction.

[0024] Among them, the width of the second groove 42 is slightly larger than the width of the flange 72, so as to increase the swinging space when the wheel 7 is lifted and placed, which is convenient for operation. Both ends of the roller 4 respectively form a first positioning shoulder and a second positioning shoulder with the first groove 41 and the second groove 42. By setting the first positioning shoulder and the second positioning shoulder, when the roller 4 is placed into the first groove 41 and the second groove 42, it can prevent the wheel 7 from being slightly swung and bruised.

[0025] Combined with Figures 1-3 As shown, there are two supports on the base 1. The four rollers 4 are arranged in an inverted trapezoid, and the orthographic projections of the four rollers 4 on the base 1 are arranged in a row side by side, which is convenient for the wheel 7 to be stably positioned. The base 1 includes two oppositely arranged longitudinal beams 12 and two oppositely arranged cross beams 11. The two cross beams 11 are located between the two longitudinal beams 12. Two first legs 13 are provided at the bottom of the longitudinal beam 12, and a second leg 14 is provided between the two first legs 13 at the bottom of the longitudinal beam 12. A support rod 5 is provided between the two second legs 14 opposite to each other along the length direction of the cross beam 11, and an oil receiving box 51 is placed on the two support rods 5. The oil receiving box 51 is made of stainless steel material, which is convenient for daily maintenance. The cross beam 11 and the longitudinal beam 12 are welded together, the support rod 5 and the second leg 14 are welded together, and both the first leg 13 and the second leg 14 are welded to the longitudinal beam 12.

[0026] Combined with Figures 1-3As shown, the bracket includes two vertically arranged vertical beams 2, and the vertical beams 2 are arranged on the upper ends of the longitudinal beams 12. The vertical beams 2 are connected to the longitudinal beams 12 by welding.

[0027] Specifically, the support includes a central shaft 6 and two mounting seats 3, both ends of the central shaft 6 are rotatably connected to the mounting seats 3, and the roller 4 is sleeved on the central shaft 6. The roller 4 is made of nylon material to prevent the wheel 7 from being crushed during rotation, which affects the appearance quality of the wheel 7. A retaining ring 63 and a retaining ring 66 are provided on the outer wall of the central shaft 6, and the roller 4 is located between the retaining ring 63 and the retaining ring 66. The retaining ring 66 is detachably sleeved on the outer wall of the central shaft 6, so as to facilitate the replacement of the worn roller 4.

[0028] More specifically, a bearing 33 is installed in the mounting seat 3, and a protective cover 34 is installed at one end of the mounting seat 3 away from the central axis 6 by a screw 36. The protective cover 34 is provided with an annular protrusion 341 for abutting against the outer ring of the bearing 33. The protective cover 34 and the annular protrusion 341 are made as one piece. An annular stopper 32 abutting against the outer ring of the bearing 33 is provided on the end of the mounting seat 3 facing the central axis 6. The mounting seat 3 includes two symmetrically arranged bearing covers 31, and the two bearing covers 31 are connected by bolts 35, wherein the bearing cover 31 at the lower end is welded to the cross beam 11 or the vertical beam 2, the central axis 6 and the inner ring of the bearing 33 are interference fit, and the central axis 6 has a shoulder abutting against the inner ring of the bearing 33.

[0029] Combination Figure 4 As shown, the central axis 6 is stepped, and the central axis 6 comprises, from left to right, a first bearing mounting section 61, a transition section 62, a retaining ring 63, a roller mounting section 64, and a second bearing mounting section 65. The diameters of the first bearing mounting section 61, the transition section 62, and the retaining ring 63 increase in sequence, the diameter of the retaining ring 63 is larger than the diameter of the roller mounting section 64, the diameters of the roller mounting section 64 and the second bearing 33 mounting section decrease in sequence, the diameters of the first bearing mounting section 61 and the second bearing mounting section 65 are equal, the first bearing mounting section 61 and the transition section 62 form a first shaft shoulder, the roller mounting section 64 and the second bearing mounting section 65 form a second shaft shoulder, the first shaft shoulder abuts against the inner ring of one of the bearings 33, the second shaft shoulder abuts against the inner ring of the other bearing 33, the first bearing mounting section 61 and the second bearing mounting section 65 are respectively interference fit with the inner ring of the bearing 33 on the same side.

[0030] In addition, a hook 21 for hoisting is provided on the vertical beam 2 to facilitate hoisting, and a reinforcing rod 22 is provided between the vertical beam 2 and the longitudinal beam 12.

[0031] By providing rollers 4 on the base 1 and the support, the wheels 7 can be effectively supported. The rollers 7 are rotatably connected to the supports, ensuring that the wheels can roll, thus facilitating operations such as cleaning the surface of the wheels 7, measuring the hub hole size, and spraying molybdenum on the brake disc mounting surface. Moreover, the first groove 41 cooperates with the tread 71 of the wheel 7 to enhance stability during use, and the second groove 42 cooperates with the flange 72 of the wheel 7 to effectively prevent the wheel from tipping over.

[0032] Certainly, the present utility model is not limited to the above-described embodiments. Several other embodiments based on the design concept of the present utility model are provided below.

[0033] For example, in other embodiments, different from the above-described embodiment, rubber pads are connected to the bottoms of the first leg 13 and the second leg 14 through fixing bolts.

[0034] For example, in other embodiments, different from the above-described embodiment, a locking bolt is provided outside the retaining ring 66, and the retaining ring 66 is pressed against the central shaft 6 by the locking bolt. Threaded holes mating with the locking bolt are provided on the central shaft 6.

[0035] It should be noted that the above embodiments are only used to illustrate the present utility model, but the present utility model is not limited to the above embodiments. Any simple modification, equivalent change, and modification made to the above embodiments based on the technical essence of the present utility model fall within the protection scope of the present utility model.

Claims

1. A locomotive wheel support device, characterized in that: The invention comprises a base (1), wherein a plurality of supports are arranged on the base (1), two brackets are arranged opposite to each other on the base (1), and the brackets are also provided with supports. A roller (4) is rotatably arranged on the supports, and the wheel (7) comprises a tread (71) and a flange (72) extending radially relative to the tread (71). The roller (4) is provided with a first groove (41) along its circumferential direction for cooperating with the tread (71), and a second groove (42) cooperating with the flange (72) is provided in the first groove (41) along its circumferential direction.

2. A locomotive wheel support device according to claim 1, characterized in that: The base (1) comprises two longitudinal beams (12) arranged opposite to each other and two transverse beams (11) arranged opposite to each other, the two transverse beams (11) being located between the two longitudinal beams (12), two first legs (13) being provided at the bottom of the longitudinal beam (12), and a second leg (14) being provided at the bottom of the longitudinal beam (12) between the two first legs (13).

3. A locomotive wheel supporting device according to claim 1, characterized in that: A support rod (5) is provided between two second supporting legs (14) that are opposite to each other along the length direction of the crossbeam (11), and an oil receiving box (51) is placed on the two support rods (5).

4. A locomotive wheel supporting device according to claim 2, characterized in that: The bracket comprises two vertically arranged vertical beams (2), wherein the vertical beams (2) are arranged at the upper ends of the longitudinal beams (12).

5. A locomotive wheel supporting device according to claim 1, characterized in that: The support comprises a central shaft (6) and two mounting seats (3), the two ends of the central shaft (6) are respectively rotatably connected to the mounting seats (3), and the roller (4) is sleeved on the central shaft (6).

6. A locomotive wheel supporting device according to claim 1, characterized in that: The roller (4) is made of nylon.

7. A locomotive wheel supporting device according to claim 5, characterized in that: A retaining ring (63) and a retaining ring (66) are provided on the outer wall of the central shaft (6), and the roller (4) is located between the retaining ring (63) and the retaining ring (66).

8. A locomotive wheel supporting device according to claim 4, characterized in that: The vertical beam (2) is provided with a lifting hook (21) for lifting.

9. A locomotive wheel supporting device according to claim 8, characterized in that: A reinforcing rod (22) is provided between the vertical beam (2) and the longitudinal beam (12).

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