Chain elevator for railway wheel set

Abstract

The utility model discloses a chain elevator for a railway wheel set, which is characterized in that a low-position track, a high-position track, a wheel set and a chain elevator are arranged in a plant, one wheel set comprises an axle and two wheels, and the chain elevator arranged between the low-position track and the high-position track comprises a rack, a chain, a bracket and a top chain wheel device. The chain comprises a bracket interface, and the bracket comprises a groove and a chaining interface; the bracket is connected with the chain through the bracket connector and the chain connecting port, and the top chain wheel device comprising the large chain wheel is installed on the machine frame. In the lifting process of the wheel pair, the axle is placed in the groove of the bracket, and when the bracket is located at the lowest position, the wheel pair on the low-position track is not affected to go in and out of the chain elevator; when the groove is in a high position, the wheel set can be prevented from falling to a low-position track. Through the chain elevator, the wheel pair can be lifted from the low-position track to the high-position track or descended from the high-position track to the low-position track. The utility model has the main advantages of simple structure, small volume and low manufacturing cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of overhauling and production of railway vehicles, in particular to a chain elevator for railway wheel sets. BACKGROUND

[0002] At present, in the conveying of railway wheel sets, vertical lifting conveying is basically realized through scissor fork elevators, and horizontal conveying is basically realized through wheel pushers, so the traditional wheel set conveying equipment is not only structurally complex, bulky, but also expensive.

[0003] The utility model adopts simple chain transmission devices, the running track of the bracket at the top is ingeniously followed by the track of the outer circle of the large sprocket, the wheel set in the chain elevator is slid on the inclined rail by using the self weight and then enters the high-level track, and the wheel set on the high-level track gradually falls into the chain descending machine by using the self weight. Therefore, the utility model not only overcomes the defects of the traditional scissor fork elevator and the wheel pusher, but also is simple in structure, small in size and low in cost. SUMMARY

[0004] In view of the problems in the prior art, the utility model aims to provide a chain elevator for railway wheel sets to solve the problems mentioned in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: in a railway vehicle depot or vehicle factory, the factory building 1 comprises a low-level track 1A, a high-level track 1B, a wheel set 2 and a chain elevator 3, the low-level track 1A and the high-level track 1B are located on the same straight line in the top view, the wheel set 2 comprises an axle 2A between two wheel cakes and a wheel outer circle 2B, the chain elevator 3 between the low-level track 1A and the high-level track 1B comprises a rack 3A, a chain 4, a bracket 5 and a top sprocket device 6, the chain 4 comprises a rack interface 4A, the bracket 5 comprises a groove 5A and a link interface 5B, the bracket 5 is connected with the chain 4 through the rack interface 4A and the link interface 5B, the top sprocket device 6 is installed on the rack 3A, and the top sprocket device 6 comprises a large sprocket 6A.

[0006] In the lifting process, the axle 2A is placed in the groove 5A of the bracket 5, the bracket 5 does not affect the wheel set 2 on the low-level track 1A when it is at the lowest position, the groove 5A can prevent the wheel set 2 from falling to the low-level track 1A when it is turned to the highest position along the pitch circle of the large sprocket 6A together with the bracket 5, and the wheel set 2 can be lifted from the low-level track 1A to the high-level track 1B or lowered from the high-level track 1B to the low-level track 1A through the chain elevator 3.

[0007] As a further scheme of the utility model: the chain elevator 3 includes pin shaft 3B, the frame interface 4A includes chain pin hole 4A1, and the link interface 5B includes bracket pin hole 5B1;Pin shaft 3B is inserted into chain pin hole 4A1 and bracket pin hole 5B1, and the hinging of bracket 5 and chain 4 is realized.

[0008] As a further scheme of the utility model: the chain elevator 3 includes chain hoist 31 for lifting wheel pair 2 from low-level track 1A to high-level track 1B, and the high-level track 1B in chain hoist 31 is inclined with outer high and inner low;When groove 5A is located at high position, and large sprocket 6A continues to rotate, the outer circle of axle 2A will fall off groove 5A and drop, causing wheel outer circle 2B to rest on inclined high-level track 1B and slide out of chain elevator 3.

[0009] As a further scheme of the utility model: the chain elevator 3 includes chain descent machine 32 for lowering wheel pair 2 from high-level track 1B to low-level track 1A, and the high-level track 1B in chain descent machine 32 is inclined with outer low and inner high;When groove 5A is located at high position, groove 5A can block wheel pair 2 sliding along inclined high-level track 1B, and at this time, large sprocket 6A is started to rotate, wheel outer circle 2B will fall off high-level track 1B and drop, so that groove 5A supports axle 2A.

[0010] As a further scheme of the utility model: low-level track 1A and high-level track 1B include steel rail and chain track 1C.

[0011] In summary, since the utility model adopts simple chain transmission device, the running track of bracket at the top is ingeniously followed by the track of the top outer circle of large sprocket, and wheel pair in chain hoist is slid on inclined rail by using self weight and then enters high-level track, and wheel pair on high-level track gradually drops into chain descent machine by using self weight. Therefore, the utility model does not have traditional structure of scissor fork type elevator and wheel driver. Compared with prior art, the main advantage of the utility model is simple structure, small size and low cost. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is the structure schematic view of high-level track 1B, wheel pair 2 and chain elevator 3 in factory building 1, is also the structure schematic view of axle 2A and wheel outer circle 2B constituting wheel pair 2, is also the structure schematic view of chain 4, bracket 5 and top sprocket device 6 constituting chain elevator 3, is also the structure schematic view of frame interface 4A constituting chain 4, is also the structure schematic view of groove 5A and link interface 5B constituting bracket 5, and is also the structure schematic view of large sprocket 6A constituting top sprocket device 6;

[0013] Figure 2 is Figure 1is the A view of Fig. 1, and is also a structural diagram of the low-level track 1A in the factory building 1;

[0014] Figure 3 is Figure 1 is the B view of Fig. 1, and is also a structural diagram of the recess 5A constituting the carrier 5;

[0015] Figure 4 is Figure 3 is the C-C view of Fig. 1, and is also a structural diagram of the pin shaft 3B constituting the chain elevator 3, and is also a structural diagram of the rack interface 4A constituting the chain 4, and is also a structural diagram of the chain pin hole 4A1 constituting the rack interface 4A, and is also a structural diagram of the recess 5A and the link interface 5B constituting the carrier 5, and is also a structural diagram of the carrier pin hole 5B1 constituting the link interface 5B;

[0016] Figure 5 is a structural diagram of the wheel pair 2 in the chain elevator 3 as a railway passenger car wheel pair;

[0017] Figure 6 is a structural diagram of the chain hoist 31 constituting the chain elevator 3, and is also a structural diagram of the carrier 5 when at the lowest position;

[0018] Figure 7 is a structural diagram of the chain hoist 31 when lifting the wheel pair 2 to the center height of the large chain wheel 6A;

[0019] Figure 8 is a structural diagram of the chain hoist 31 when lifting the wheel pair 2 to the highest position;

[0020] Figure 9 is a structural diagram of the carrier 5 when returning to the lowest position after the chain hoist 31 completes the lifting operation of the wheel pair 2;

[0021] Figure 10 is a structural diagram of the chain descent machine 32 constituting the chain elevator 3, and is also a structural diagram of the carrier 5 when at the highest position, and is also a structural diagram of the rack 3A constituting the chain elevator 3, and is also a structural diagram of the chain track 1C constituting the low-level track 1A and the high-level track 1B;

[0022] Figure 11 is a structural diagram of the wheel pair 2 in the chain descent machine 32 being blocked by the recess 5A;

[0023] Figure 12 is a structural diagram of the wheel pair 2 in the chain descent machine 32 being lowered to the center height of the large chain wheel 6A;

[0024] Figure 13 is a structural diagram of the recess 5A when at the lowest position after the wheel pair 2 in the chain descent machine 32 completes the descent;

[0025] Figure 14 This is a schematic diagram of the aerial conveyor line consisting of a chain hoist 31, an elevated track 1B, and a chain descent machine 32.

[0026] Factory 1, low-level track 1A, high-level track 1B, chain track 1C, wheelset 2, axle 2A, wheel outer diameter 2B, chain lift 3, frame 3A, pin shaft 3B, chain hoist 31, chain descent 32, chain 4, frame interface 4A, chain pin hole 4A1, bracket 5, groove 5A, connection port 5B, bracket pin hole 5B1, top sprocket device 6, large sprocket 6A. Detailed Implementation

[0027] The technical solutions of the present utility model will be described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0028] Please see Figures 1-14 In this embodiment of the present invention, in a railway vehicle depot or vehicle factory, the workshop 1 includes a low-level track 1A, a high-level track 1B, wheelsets 2, and a chain lift 3. The low-level track 1A and the high-level track 1B are located on the same straight line in the top view. The wheelset 2 includes an axle 2A located between two wheel discs and a wheel outer circle 2B. The chain lift 3 located between the low-level track 1A and the high-level track 1B includes a frame 3A, a chain 4, a bracket 5, and a top sprocket device 6. The chain 4 includes a frame interface 4A. The bracket 5 includes a groove 5A and a connection port 5B. The bracket 5 is connected to the chain 4 through the frame interface 4A and the connection port 5B. The top sprocket device 6 is installed on the frame 3A and includes a large sprocket 6A.

[0029] During the lifting process, the axle 2A rests in the groove 5A of the bracket 5. When the bracket 5 is at its lowest position, it does not affect the wheelset 2 on the low track 1A from entering and exiting the chain lift 3. When the groove 5A, together with the bracket 5, follows the chain 4 along the pitch circle of the large sprocket 6A to the highest position, it can prevent the wheelset 2 from falling to the low track 1A. Through the chain lift 3, the wheelset 2 can be lifted from the low track 1A to the high track 1B, or lowered from the high track 1B to the low track 1A.

[0030] The chain-driven lifting platform 3 includes a pin 3B, a frame interface 4A including a chain pin hole 4A1, and a connection port 5B including a bracket pin hole 5B1; the bracket 5 and the chain 4 are hinged by inserting the pin 3B into the chain pin hole 4A1 and the bracket pin hole 5B1.

[0031] The chain elevator 3 comprises a chain lifter 31 for lifting the wheel pair 2 from the low track 1A to the high track 1B, and the high track 1B in the chain lifter 31 is inclined outwardly and downwardly; when the groove 5A is located at the high position and the large sprocket 6A continues to rotate, the outer circle of the axle 2A will fall off the groove 5A and drop, so that the outer circle 2B of the wheel rests on the inclined high track 1B and slides downward out of the chain elevator 3.

[0032] The chain elevator 3 comprises a chain lifter 31 for lifting the wheel pair 2 from the low track 1A to the high track 1B, and the high track 1B in the chain lifter 31 is inclined outwardly and downwardly; when the groove 5A is located at the high position and the large sprocket 6A continues to rotate, the outer circle of the axle 2A will fall off the groove 5A and drop, so that the outer circle 2B of the wheel rests on the inclined high track 1B and slides downward out of the chain elevator 3.

[0033] The low track 1A and the high track 1B comprise a steel rail and a chain track 1C.

[0034] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "front", "back" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as a limitation on the utility model, in the utility model, it also needs to explain, the term "installation", "connection" should be understood broadly, for example, it can be fixedly connected, and can be detachably connected, or integrally connected, and can be mechanically connected, and can be indirectly connected through an intermediate medium, the specific meaning of the term in the utility model can be understood according to the specific circumstances.

[0035] In addition, it should be understood that, although the present specification is described according to the embodiments, not every embodiment only contains an independent technical scheme, the description mode of the specification is only for the sake of clarity, the skilled in the art should regard the specification as a whole, and the technical scheme in each embodiment can also be combined appropriately to form other embodiments that can be understood by the skilled in the art.

Claims

1. A chain hoist for railway wheelsets, characterized in that The plant (1) of railway vehicle depot or vehicle factory includes low track (1A), high track (1B), wheel set (2) and chain elevator (3), low track (1A) and high track (1B) are located on the same straight line in the overhead view, wheel set (2) includes axle (2A) and wheel outer circle (2B) between two wheel cakes, chain elevator (3) between low track (1A) and high track (1B) includes rack (3A), chain (4), bracket (5) and top sprocket device (6), chain (4) includes rack interface (4A), bracket (5) includes recess (5A) and link interface (5B), bracket (5) is connected with chain (4) through rack interface (4A) and link interface (5B), top sprocket device (6) is installed on rack (3A), top sprocket device (6) includes large sprocket (6A); during lifting, axle (2A) is placed in recess (5A) of bracket (5), bracket (5) does not affect wheel set (2) on low track (1A) to enter and exit chain elevator (3) when being at the lowest position; when recess (5A) is turned to the highest position along the pitch circle of large sprocket (6A) along with bracket (5) following chain (4), wheel set (2) can be prevented from falling to low track (1A); through chain elevator (3), wheel set (2) can be lifted from low track (1A) to high track (1B) or lowered from high track (1B) to low track (1A).

2. A chain hoist for railway wheelsets according to claim 1, characterized in that The chain elevator (3) includes pin shaft (3B), rack interface (4A) includes chain pin hole (4A1), link interface (5B) includes bracket pin hole (5B1); the articulation of bracket (5) and chain (4) is realized by inserting pin shaft (3B) into chain pin hole (4A1) and bracket pin hole (5B1).

3. A chain hoist for railway wheelsets according to claim 1, characterized in that The chain elevator (3) includes chain lifter (31) for lifting wheel set (2) from low track (1A) to high track (1B), high track (1B) in chain lifter (31) is inclined with outer high and inner low; when recess (5A) is at the high position, the outer circle of axle (2A) will fall off recess (5A) and fall, causing wheel outer circle (2B) to be placed on inclined high track (1B) and slide out of chain elevator (3) downward.

4. A chain hoist for railway wheelsets according to claim 1, characterized in that The chain elevator (3) includes chain downer (32) for lowering wheel set (2) from high track (1B) to low track (1A), high track (1B) in chain downer (32) is inclined with outer low and inner high; when recess (5A) is at the high position, recess (5A) can block wheel set (2) sliding downward along inclined high track (1B), at this time, large sprocket (6A) is started to rotate, wheel outer circle (2B) will fall off high track (1B) and fall, so that recess (5A) supports axle (2A).

5. A chain hoist for railway wheelsets according to claim 2 or 3 or 4, characterized in that The low track (1A) and high track (1B) include steel rail and chain track (1C).

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