CN217099982U - Power bogie - Google Patents

Abstract

The embodiment of the utility model provides a power bogie, including the framework, install in wheel pair on the framework and hang in the axle box of wheel pair both sides, power bogie still include the motor and with the speed reducer that the motor is connected, the output gear of speed reducer includes the edge first wheel body and the second wheel body that output gear's axial falls into, first wheel body and second wheel body can be followed the constitution the relative both sides butt joint of the axletree of wheel pair in order to install in on the axletree, make can drive during the output gear rotates the axletree rotates. The utility model discloses a split type structure of power bogie's speed reducer adoption concatenation, when the speed reducer damages or needs the maintenance, can follow the mould assembling face and directly tear the speed reducer open into upper and lower two halves, make things convenient for the workman to dismantle and overhaul, reduce the maintenance degree of difficulty, reduce the maintenance cost.

Description

Power bogie

Technical Field

The utility model belongs to the technical field of metallurgical industry blast furnace ironmaking, concretely relates to power bogie.

Background

At present, a bogie is widely used on molten iron transportation vehicles, most of the locomotives are free of traveling driving devices, only locomotives can be used for traction in the transportation process, one locomotive is used for traction of a plurality of molten iron transfer vehicles, the molten iron transportation efficiency is low, and most of the locomotives adopt diesel engines as power sources, so that the environment is polluted, and the locomotive is not suitable for current industrial development. In addition, wheel sets of a bogie of the molten iron transportation vehicle are generally pressed by an oil press, and special disassembling tools are needed for disassembling the wheels and axles. For a bogie with a driving device, if a conventional axle-hung motor reducer is adopted as a power source of the bogie, and the reducer needs to be replaced or maintained, wheels and an axle must be detached, so that the driving device of the bogie is difficult to disassemble and assemble and is difficult to replace and maintain. The design of a novel power bogie to solve the difficulties encountered at present is a problem which needs to be solved urgently in the industry.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned problem that prior art exists, the utility model provides an aim at provides a simple structure, easy dismounting realizes the power bogie of molten iron haulage vehicle self-operation.

The embodiment of the utility model provides a technical scheme who adopts is, a power bogie, including the framework, install in wheel pair on the framework and hang in the axle box of wheel pair both sides, power bogie still include the motor and with the speed reducer that the motor is connected, the output gear of speed reducer includes the edge first wheel body and the second wheel body that output gear's axial falls into, first wheel body and second wheel body can follow the constitution the relative both sides butt joint of the axletree of wheel pair is in order to install in on the axletree, make can drive when output gear rotates the axletree rotates.

In some embodiments, the first wheel body has a first abutment surface, the second wheel body has a second abutment surface for abutment with the first abutment surface, one of the first abutment surface and the second abutment surface has a recess therein, and the other has a protrusion thereon, the protrusion being embedded in the recess when the first abutment surface of the first wheel body and the second abutment surface of the second wheel body are in abutment.

In some embodiments, the projections of the first wheel body and the second wheel body in the respective axial directions are both arc-shaped, the first wheel body and the second wheel body respectively have two symmetrical end surfaces located in the respective radial directions, the two end surfaces of the first wheel body form the first butt-joint surface, and the two end surfaces of the second wheel body form the second butt-joint surface.

In some embodiments, the arc lengths of the first wheel body and the second wheel body are equal, and the projections of the first wheel body and the second wheel body in the respective axial directions are both semi-circular arcs.

In some embodiments, the spokes of the first wheel body and the spokes of the second wheel body are respectively provided with corresponding bolt holes, and the first wheel body and the second wheel body are fastened by dumpling-made bolts penetrating through the bolt holes when being fastened on the axle from two opposite sides of the axle.

In some embodiments, the housing of the electric machine extends outwardly to form a first coupling sleeve; a shell of the speed reducer extends outwards to form a second connecting sleeve, and the first connecting sleeve is connected with the second connecting sleeve through a flange; the input shaft of the speed reducer is a hollow shaft, and the output shaft of the motor penetrates through the first connecting sleeve and the second connecting sleeve to be inserted into the hollow shaft.

In some embodiments, the housing of the reducer comprises a first housing and a second housing which can be buckled up and down; the second connecting sleeve is arranged on the first shell or the second shell.

In some embodiments, the axle is provided with an annular bulge and sleeved with a shaft sleeve; two end covers are respectively arranged on two opposite sides of a shell of the speed reducer, and the two end covers are respectively sleeved on the axle and abut against two axial end faces of the output gear; the annular bulge is abutted against the outer side of one end cover, and the shaft sleeve is abutted against the outer side of the other end cover.

In some embodiments, a plurality of sensors for detecting oil temperature, bearing temperature rise and oil liquid definition are arranged in a shell of the speed reducer.

In some embodiments, the electric machine is a permanent magnet machine.

Compared with the prior art, the utility model discloses power bogie's effect lies in, the structural style of mould assembling about power bogie's speed reducer not only casing adopts, and output gear also adopts the split type structural style of concatenation moreover, when the speed reducer damages or needs the maintenance, can follow the mould assembling face and directly tear the speed reducer open into two halves about, makes things convenient for the workman to dismantle and overhauls, reduces the maintenance degree of difficulty, reduces the maintenance cost.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention.

The summary of various implementations or examples of the technology described in this disclosure is not a comprehensive disclosure of the full scope or all of the features of the disclosed technology.

Drawings

In the drawings, which are not necessarily drawn to scale, like reference numerals may describe similar components in different views. Like reference numerals having letter suffixes or different letter suffixes may represent different instances of similar components. The drawings illustrate various embodiments, by way of example and not by way of limitation, and together with the description and claims, serve to explain the embodiments of the invention. The same reference numbers will be used throughout the drawings to refer to the same or like parts, where appropriate. Such embodiments are illustrative, and are not intended to be exhaustive or exclusive embodiments of the present apparatus or method.

Fig. 1 is a front view of a power bogie according to an embodiment of the present invention.

Fig. 2 is a plan view of a power bogie according to an embodiment of the present invention.

Fig. 3 is a sectional view taken along line a-a in fig. 2.

Fig. 4 is a sectional view taken along line B-B in fig. 2.

Fig. 5 is a sectional view taken along line C-C in fig. 3.

Fig. 6 is a schematic view of a split structure of an output gear according to an embodiment of the present invention.

Fig. 7 is a schematic diagram of the motor and the reducer in the direction D in fig. 2.

Reference numerals:

1-a framework; 2-vehicle wheels; 3-axle shaft; 4-an annular projection; 5-shaft sleeve; 6, a motor; 7-a first connecting sleeve; 8-a flange; 9-a hollow shaft; 10-a speed reducer; 11-an output gear; 12-a first wheel; 13-a second wheel body; 14-a groove; 15-bulge; 16-dumpling making bolt; 17-a first housing; 18-a second housing; 19-a second connecting sleeve; 20-end cap; 21-axle boxes; 22-spring set; 23-an anti-drop plate; 24-a side bearing; 25-spring pull rod.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.

The embodiment of the utility model provides a power bogie, on it mainly was applied to molten iron haulage vehicle, increased molten iron haulage vehicle's load and length, improved the transport capacity. As shown in fig. 1 and 2, the power bogie includes a frame 1, wheels 2, axles 3, and axle boxes 21. The wheels 2 and the axles 3 form wheel pairs, the wheel pairs are arranged on the framework 1, and the axle boxes 21 are suspended on two sides of the wheel pairs. The frame 1 can adopt a welded structure, a beam in the middle of the frame 1 is connected with side beams on two sides, and a center plate can be installed in the center of the beam, so that the curve passing capability of the bogie is improved. The framework 1 adopts a welding structure, so that the cost can be saved, and the environment is protected.

As shown in fig. 2, the power bogie further includes a motor 6 and a speed reducer 10 connected to the motor 6. The output gear 11 of the reduction gear 10 includes a first gear 12 and a second gear 13. The first wheel 12 and the second wheel 13 are divided by the output gear 11 in the axial direction thereof, see fig. 3, 5 and 6. That is, the first wheel 12 and the second wheel 13 are engaged in the radial direction to form a completed output gear 11. The first wheel 12 and the second wheel 13 can be engaged with each other from opposite sides of the axle 3 to be mounted on the axle 3, see fig. 3 to 6. When the output gear 11 is rotated by the driving action of the motor 6, the axle 3 can be rotated.

The utility model discloses power bogie's speed reducer 10's output gear 11 adopts the mosaic structure that can the split, need not unpack axletree 3 and wheel 2 apart, just can realize output gear 11 installation and dismantlement on axletree 3, convenient maintenance and maintenance.

In some embodiments, as shown in fig. 5 and 6, the first wheel 12 has a first abutment surface and the second wheel 13 has a second abutment surface for abutment with the first abutment surface. One of the first and second abutment surfaces has a recess 14 thereon and the other has a projection 15 thereon. When the first abutment surface of the first wheel body 12 abuts the second abutment surface of the second wheel body 13, the protrusion 15 is inserted into the groove 14. Through setting up arch 15 and recess 14, realize accurate location after 11 concatenations of output gear, can also promote the combination compactness of the butt joint face of two wheel bodies simultaneously, promote the combination fastness.

In some embodiments, as shown in fig. 5 and 6, the projections of the first wheel body 12 and the second wheel body 13 in the respective axial directions are circular arc-shaped. The first wheel body 12 and the second wheel body 13 each have two symmetrical end surfaces in the respective radial direction. That is, the end surfaces of both ends of the circular arc. The two end surfaces of the first wheel body 12 form a first abutment surface, and the two end surfaces of the second wheel body 13 form a second abutment surface. That is, the abutment surface of each wheel body comprises two parts, and the two end surfaces of the same wheel body face in the same direction. When the two wheels are mounted on the axle 3 from opposite sides of the axle 3, the two end surfaces on each wheel are located on opposite sides of the axle 3, respectively. Every terminal surface that constitutes the butt joint face sets up arch 15 or recess 14 respectively best to can accurate location after guaranteeing two wheel body concatenations, promote the stability of structure. It will be appreciated that the number of projections 15 and recesses 14 on each end face is not limited and may be selected according to the size of the abutment face. In this embodiment, two end surfaces (first butting surfaces) of the first wheel 12 are respectively provided with a groove 14, two end surfaces of the second wheel 13 are respectively provided with a protrusion 15, the two protrusions 15 are respectively located at two sides of the axle 3, and the two grooves 14 are respectively matched with the two protrusions 15 to ensure the tightness of the joint of the two butting surfaces. The groove 14 is not limited to be formed in the end surface of the first wheel 12, the groove 14 may be formed in the end surface of the second wheel 13, and the protrusion 15 may be formed in the end surface of the first wheel 12, or the groove 14 and the protrusion 15 may be formed in both the first wheel 12 and the second wheel 13, as long as the groove 14 and the protrusion 15 are correspondingly formed in pairs, so as to facilitate matching.

It will be understood that the respective axial direction and the respective radial direction of the first wheel body 12 and the second wheel body 13 refer respectively to: when the first wheel body 12 and the second wheel body 13 are spliced to form the output gear 11, the axial direction of the output gear 11 is the respective axial direction of the first wheel body 12 and the second wheel body 13, and the radial direction of the output gear 11 is the respective radial direction of the first wheel body 12 and the second wheel body 13. The first wheel body 12 and the second wheel body 13 may have the same or different sizes, that is, projections of the first wheel body and the second wheel body in the respective axial directions may be a major arc, a minor arc, or both semicircular arcs. For ease of manufacture and assembly, with continued reference to fig. 5 and 6, the first wheel 12 and the second wheel 13 have equal arc lengths, i.e. both have semi-circular arc projections in their respective axial directions.

In some embodiments, the spokes of the first wheel body 12 and the spokes of the second wheel body 13 are respectively provided with corresponding bolt holes, and when the first wheel body 12 and the second wheel body 13 are fastened to the axle 3 from two opposite sides of the axle 3, the first wheel body 12 and the second wheel body 13 are fastened by dumpling-made bolts 16 penetrating through the bolt holes, as shown in fig. 5 and 6, so that the matching precision can still be maintained after the output gear 11 is assembled.

In some embodiments, as shown in fig. 7, the housing of the motor 6 extends outward to form a first connection sleeve 7; the casing of the speed reducer 10 extends outwards to form a second connecting sleeve 19, and the first connecting sleeve 7 is connected with the second connecting sleeve 19 through a flange 8. That is, the free ends of the first connecting sleeve 7 and the second connecting sleeve 19 are opposite to each other and are respectively provided with a flange 8, and the two flanges 8 are connected to realize the connection of the first sleeve and the second sleeve. The input shaft of the speed reducer 10 is a hollow shaft 9, and the output shaft of the motor 6 passes through the first connecting sleeve and the second connecting sleeve 19 to be inserted into the hollow shaft 9, so that the output shaft of the motor 6 is connected with the input shaft of the speed reducer 10. The motor 6 is connected with the speed reducer 10 through the sleeve, so that a motor 6 seat for fixing the motor 6 can be omitted, parts are reduced, the cost can be saved, the installation space can be saved, and the motor 6 and the speed reducer 10 can be conveniently arranged in a smaller space in the power bogie. And motor 6 and speed reducer 10 are through 8 direct fixations of flange, convenient dismantlement.

In some embodiments, as shown in fig. 3, the housing of the reducer 10 includes a first housing 17 and a second housing 18 that can be snap-fitted up and down. The speed reducer 10 is convenient to disassemble, and maintenance is facilitated. The second connecting sleeve 19 may be provided on the first housing 17 or the second housing 18, and may be selected according to actual needs.

In some embodiments, as shown in fig. 4, the axle 3 is provided with an annular projection 154 and is sleeved with a bushing 5. Two opposite sides of a shell of the speed reducer 10 are respectively provided with an end cover 20, and the two end covers 20 are respectively sleeved on the axle 3 and abut against two axial end faces of the output gear 11; the annular protrusion 154 abuts against the outer side of one of the end caps 20, and the sleeve 5 abuts against the outer side of the other end cap 20. The speed reducer 10 is positioned by the annular bulge 154 and the shaft sleeve 5, and the play of the speed reducer is prevented.

In some embodiments, a plurality of sensors respectively used for detecting oil temperature, bearing temperature rise and oil liquid definition can be arranged in the shell of the speed reducer 10, the sensors are electrically connected with the controller, the sensors send detected information to the central control room, an operator can monitor the use condition of the speed reducer 10 in real time, and if the detection result of the sensors does not reach the standard, the speed reducer 10 needs to be maintained.

In some embodiments, the motor 6 may be a permanent magnet motor 6, and the permanent magnet motor 6 has a small size and can be applied to a small space of a bogie of a molten iron transportation vehicle. The permanent magnet motor 6 can also adjust the required output torque according to the loading condition of the bogie, thereby reducing the power consumption.

With continued reference to fig. 1 and 2, the power bogie further includes a spring group 22, a retaining plate 23, a side bearing 24, a spring tie rod 25, and the like. The bottom of the spring group 22 is dropped on the axle box 21, and the top end is installed on a preset spring seat of the framework 1 to serve as a damping structure, so that the over-bending capacity is enhanced. The anti-drop plates 23 are mounted at two ends of the axle box 21 through bolts, and are used for preventing the wheel set and the spring set 22 from dropping off when the power bogie is hoisted. Side bearings 24 are mounted at the ends of the power bogie to prevent the vehicle from tipping over when it is cornering. One end of the spring pull rod 25 is fixed on the framework 1, and the other end is fixed on the speed reducer 10, so that the speed reducer 10 is prevented from rotating.

The utility model discloses power bogie's speed reducer 10, the structural style of mould assembling about not only the casing adopts, and output gear 11 also adopts the split type structural style of concatenation moreover, when speed reducer 10 damages or need maintain, can follow the mould assembling face and directly tear speed reducer 10 open into upper and lower two halves, makes things convenient for the workman to dismantle and overhaul, reduces the maintenance degree of difficulty, reduces the maintenance cost.

The above description is intended to be illustrative, and not restrictive, and variations, modifications, substitutions, and alterations may be made to the above-described embodiments by those of ordinary skill in the art within the scope of the present disclosure. Also, the above-described examples (or one or more versions thereof) may be used in combination with each other, and it is contemplated that the embodiments may be combined with each other in various combinations or permutations.

Claims (10)

1. The utility model provides a power bogie, includes the framework, install in wheel pair on the framework and hang in the axle box of wheel pair both sides, its characterized in that, power bogie still include the motor and with the speed reducer that the motor is connected, the output gear of speed reducer includes along first wheel body and the second wheel body that output gear's axial divide into, first wheel body and second wheel body can be followed the constitution the relative both sides of the axletree of wheel pair are in order to install in on the axletree, make can drive when output gear rotates the axletree rotates.

2. The power truck of claim 1, wherein the first wheel has a first abutment surface, the second wheel has a second abutment surface for abutment with the first abutment surface, one of the first abutment surface and the second abutment surface has a recess thereon, and the other has a protrusion thereon, the protrusion being inserted into the recess when the first abutment surface of the first wheel and the second abutment surface of the second wheel are in abutment.

3. The power bogie of claim 2, wherein the projections of the first wheel body and the second wheel body in the respective axial directions are circular arc shapes, the first wheel body and the second wheel body respectively have two symmetrical end surfaces in the respective radial directions, the two end surfaces of the first wheel body form the first butting surface, and the two end surfaces of the second wheel body form the second butting surface.

4. The power bogie of claim 3, wherein the arc lengths of the first wheel body and the second wheel body are equal in size, and the projections of the first wheel body and the second wheel body in the respective axial directions are both semi-circular arc shapes.

5. The power bogie of any one of claims 1 to 4, wherein the spokes of the first wheel body and the spokes of the second wheel body are respectively provided with corresponding bolt holes, and when the first wheel body and the second wheel body are fastened on the axle from two opposite sides of the axle, the first wheel body and the second wheel body are fastened through hinged bolts penetrating through the bolt holes.

6. The power truck of claim 1, wherein the housing of the motor extends outwardly to form a first coupling sleeve; a shell of the speed reducer extends outwards to form a second connecting sleeve, and the first connecting sleeve is connected with the second connecting sleeve through a flange; the input shaft of the speed reducer is a hollow shaft, and the output shaft of the motor penetrates through the first connecting sleeve and the second connecting sleeve to be inserted into the hollow shaft.

7. The power bogie of claim 6, wherein the housing of the speed reducer comprises a first housing and a second housing that can be snap-fitted up and down; the second connecting sleeve is arranged on the first shell or the second shell.

8. The power bogie of claim 2, wherein the axle is provided with an annular protrusion and sleeved with a bushing; two end covers are respectively arranged on two opposite sides of a shell of the speed reducer, and the two end covers are respectively sleeved on the axle and abut against two axial end faces of the output gear; the annular bulge is abutted against the outer side of one end cover, and the shaft sleeve is abutted against the outer side of the other end cover.

9. The power bogie of claim 2, wherein a plurality of sensors for detecting oil temperature, bearing temperature rise and oil clarity are respectively arranged in the housing of the speed reducer.

10. The power truck of claim 1, wherein the motor is a permanent magnet motor.

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