CN219484448U - Gear supporting device and turning wheel equipment with same - Google Patents
Gear supporting device and turning wheel equipment with same Download PDFInfo
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- CN219484448U CN219484448U CN202320364872.0U CN202320364872U CN219484448U CN 219484448 U CN219484448 U CN 219484448U CN 202320364872 U CN202320364872 U CN 202320364872U CN 219484448 U CN219484448 U CN 219484448U
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- gear
- shaft sleeve
- supporting
- hollow shaft
- rotating shaft
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Abstract
The utility model discloses a gear supporting device and turning wheel equipment with the same, which are used for turning wheels of HXD1D locomotive wheel pairs, wherein the supporting device comprises a supporting mechanism, a lifting mechanism, a driving mechanism and a rack, the driving mechanism is arranged on the rack, a power output end of the driving mechanism is connected with a rotating end of the lifting mechanism, the supporting mechanism comprises a mounting seat, a rotating shaft and a supporting gear, the mounting seat is fixed at the lifting end of the lifting mechanism and can move up and down under the driving of the lifting mechanism, the rotating shaft penetrates through the center of the supporting gear, and two ends of the rotating shaft are respectively connected with two ends of the mounting seat in a rotating way, so that the supporting gear is meshed with a driven gear arranged on a hollow shaft sleeve while jacking up the driven gear. The utility model solves the technical problem that in the prior art, when the HXD1D locomotive wheel pair is turned, the hollow shaft sleeve at the gear side and the hollow shaft repeatedly rub to cause easy damage to the side hollow shaft sleeve and the hollow shaft part.
Description
Technical Field
The utility model relates to the technical field of turning repair of locomotive wheelsets, in particular to a gear supporting device and turning wheel equipment with the gear supporting device, which are used for turning repair of HXD1D locomotive wheelsets.
Background
The locomotive wheelset needs to be turned either before new locomotive assembly or after a period of locomotive operation to achieve higher comfort, stability and safety. In turning a locomotive wheelset, a turning apparatus is typically used, such as a "new locomotive non-drop turning lathe" disclosed in chinese patent application publication No. CN 209792779U. However, for the wheel set of the HXD1D locomotive (harmonious 1D electric locomotive), the wheel set adopts a hollow shaft six-bar structure, a clearance fit is formed between the hollow shaft sleeve and the hollow shaft, the hollow shaft is arranged in the hollow shaft sleeve, a wheel cake is pressed on the hollow shaft, the non-gear side of the hollow shaft sleeve is fixed on the wheel cake, the hollow shaft on the side is not contacted with the hollow shaft sleeve, one end of the gear side of the hollow shaft sleeve is connected with a driven gear, thus after the wheel set is fixed by turning wheel equipment, the hollow shaft sleeve is pressed downwards due to the gravity action of the driven gear, the hollow shaft sleeve on the gear side is contacted with the hollow shaft, and further, the repeated friction between the hollow shaft sleeve on the gear side and the hollow shaft can occur when the wheel set rotates, so that the hollow shaft sleeve on the side and the hollow shaft part are damaged. Therefore, it is necessary to design a device that does not affect the rotation of the driven gear and can jack up the hollow shaft sleeve on the gear side so that the gap between the hollow shaft sleeve on the side and the hollow shaft reaches a free state, thereby protecting the hollow shaft sleeve and the hollow shaft from damage during turning of the wheel set.
Disclosure of Invention
The utility model aims to overcome the technical defects, and provides a gear supporting device and turning wheel equipment with the same, so as to solve the technical problem that in the prior art, when a HXD1D locomotive wheel pair is turned, a hollow shaft sleeve on the gear side and a hollow shaft are repeatedly rubbed to cause easy damage to a side hollow shaft sleeve and a hollow shaft part.
In order to achieve the technical purpose, in one aspect, the technical scheme of the utility model provides a gear supporting device, which comprises a supporting mechanism, a lifting mechanism, a driving mechanism and a rack, wherein the driving mechanism is arranged on the rack, a power output end of the driving mechanism is connected with a rotating end of the lifting mechanism, the supporting mechanism comprises a mounting seat, a rotating shaft and a supporting gear, the mounting seat is fixed at the lifting end of the lifting mechanism and can move up and down under the driving of the lifting mechanism, the rotating shaft penetrates through the center of the supporting gear, and two ends of the rotating shaft are respectively connected with two ends of the mounting seat in a rotating manner, so that the supporting gear is meshed with a driven gear installed on a hollow shaft sleeve while jacking up the driven gear.
Preferably, the hardness of the support gear is less than the hardness of the driven gear.
Preferably, the mounting seat comprises a mounting plate and hinge plates, the bottom center of the mounting plate is fixed at the lifting end of the lifting mechanism, the hinge plates are respectively fixed at two sides of the upper surface of the mounting plate, and two ends of the rotating shaft are respectively connected to the two hinge plates in a rotating mode.
Preferably, the mounting plate is provided with two positioning holes at least positioned at one side, a guide rod is connected in the positioning holes in a sliding manner, and the other end of the guide rod is fixed on the frame.
Preferably, the driving mechanism comprises a driving motor and a speed reducer, the speed reducer is fixed on the frame, and the driving motor is meshed with the speed reducer through a gear.
Preferably, the lifting mechanism comprises a rotating shaft sleeve and a lifting rod, the rotating shaft sleeve is arranged at the center of a gear of the speed reducer, the lifting rod is arranged at the center of the rotating shaft sleeve, the outer circumference of the lifting rod is connected with the inner circumference of the rotating shaft sleeve through an adaptive thread, the mounting seat is fixed at the top end of the lifting rod, and the lifting rod moves up and down under the rotation of the rotating shaft sleeve, so that the mounting seat is driven to move up and down.
Preferably, the outer parts of the rotating shaft sleeve and the lifting rod are respectively provided with a single-row ball type roller bearing.
Preferably, the frame comprises a base and supporting legs, the tops of the supporting legs are arranged at four corners of the bottom of the base, the bottoms of the supporting legs are fixed on steel rails of the turning wheel equipment, and the driving mechanism is fixed on the upper surface of the base.
Preferably, the transmission system further comprises a protective cover, wherein the protective cover is arranged on one side of the gear supporting device so as to prevent external dust from entering the transmission system of the wheel set.
On the other hand, the utility model also provides turning wheel equipment with the gear supporting device, wherein the bottom of the gear supporting device is arranged on a steel rail of the turning wheel equipment and is used for supporting the hollow shaft sleeve of the wheel pair of the HXD1D locomotive wheel pair when turning the wheel, so that the gap between the hollow shaft sleeve and the hollow shaft reaches a free state.
Compared with the prior art, the utility model has the beneficial effects that:
according to the gear supporting device and the turning wheel equipment with the same, the hollow shaft sleeve of the HXD1D type locomotive wheelset is supported by designing the supporting gear when the turning wheel is turned by the supporting gear, and the supporting gear can lift under the action of driving the lifting mechanism to move up and down by the driving mechanism, so that the supporting gear can jack up the driven gear to a proper position where the hollow shaft sleeve is not contacted with the hollow shaft, a gap between the hollow shaft sleeve and the hollow shaft is in a free state, and the purpose that the hollow shaft sleeve and the hollow shaft are not damaged in the turning wheel process is achieved; meanwhile, the meshing of the support gear and the driven gear does not influence the rotation of the wheel set, so that the turning operation of the wheel set is not influenced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic view of the overall structure of a gear support device according to the present utility model;
FIG. 2 is an assembly view of the gear support device of the present utility model;
FIG. 3 is another assembly view of the gear support device of the present utility model;
fig. 4 is a schematic view of the working state of the gear supporting device (meshed with the driven gear) according to the present utility model.
The figure shows:
100-supporting mechanism, 110-mounting seat, 111-mounting plate, 112-hinged plate, 120-rotating shaft, 130-supporting gear and 140-guide rod;
200-lifting mechanisms, 210-rotating shaft sleeves and 220-lifting rods;
300-driving mechanism, 310-driving motor, 320-reducer;
400-frame, 410-base, 420-support legs;
500-wheel set, 510-hollow shaft sleeve, 520-hollow shaft, 530-driven gear and 540-wheel cake.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1, the present utility model provides a gear supporting device, which comprises a supporting mechanism 100, a lifting mechanism 200, a driving mechanism 300 and a frame 400, wherein the driving mechanism 300 is disposed on the frame 400, a power output end of the driving mechanism 300 is connected with a rotating end of the lifting mechanism 200 to provide power for the up-down movement of the lifting mechanism 200, the supporting mechanism 100 comprises a mounting seat 110, a rotating shaft 120 and a supporting gear 130, the mounting seat 110 is fixed at the lifting end of the lifting mechanism 200 and can move up and down under the driving of the lifting mechanism 200, the rotating shaft 120 passes through the center of the supporting gear 130, and two ends of the rotating shaft 120 are respectively connected with two ends of the mounting seat 110 in a rotating manner.
When the gear supporting device according to the present utility model is used for supporting the driven gear of the HXD1D locomotive wheelset, the working state is as shown in fig. 4, the frame 400 of the gear supporting device is fixed on the steel rail of the turning wheel device through the fastening bolt and leveled, when the lathe carriage pulls the wheelset 500 to the processing position, the driving mechanism 300 is started to drive the lifting mechanism 200 to drive the supporting mechanism 100 to lift, and when the supporting gear 130 is lifted to a proper position to be engaged with the driven gear 530, the driving mechanism 300 is closed to be fixed at a proper height. In this way, the hollow shaft sleeve 510 at the gear side is lifted up by supporting the driven gear 530 by the supporting gear 130, and the gap between the hollow shaft sleeve 510 and the hollow shaft 520 reaches a free state, so that the friction between the hollow shaft sleeve 510 and the hollow shaft when the wheel set 500 rotates is avoided, and the purpose of protecting the hollow shaft sleeve 510 and the hollow shaft 520 is achieved; meanwhile, when the wheel set 500 rotates, the driven gear 530 is engaged with the support gear 130, and normal rotation of the wheel set 500 is not affected.
It will be appreciated that, as shown in fig. 4, the HXD1D locomotive wheelset 500 includes a hollow shaft sleeve 510, a hollow shaft 520, a driven gear 530 and a wheel cake 540, wherein the hollow shaft 520 is installed in the hollow shaft sleeve 510, the hollow shaft 520 is in clearance fit with the hollow shaft sleeve 510, the wheel cake 540 is press-fitted on the hollow shaft 520, the non-gear side of the hollow shaft sleeve 510 is fixed on the wheel cake 540, and the driven gear 530 is connected on the gear side of the hollow shaft sleeve 510.
In the present utility model, the hardness of the support gear 130 is much smaller than that of the driven gear 530 to protect the driven gear 530, thereby satisfying the flexible connection use.
Preferably, the support gear 130 is made of copper, and the driven gear 530 is made of alloy steel.
In the present utility model, as shown in fig. 1 and in combination with fig. 2 and 3, the mounting base 110 includes a mounting plate 111 and hinge plates 112, the bottom center of the mounting plate 111 is fixed at the lifting end of the lifting mechanism 200, the hinge plates 112 are respectively fixed at two sides of the upper surface of the mounting plate 111, two ends of the rotating shaft 120 are respectively rotatably connected to the two hinge plates 112, and the supporting gear 130 rotates on the rotating shaft 120.
In the present utility model, the mounting plate 111 is provided with at least two positioning holes located at one side, a guide rod 140 is slidably connected in the positioning holes, the other end of the guide rod 140 is fixed on the frame 400, and the guide rod 140 is configured to ensure that the lifting mechanism 200 can be lifted up in a straight line.
In the present utility model, the driving mechanism 300 includes a driving motor 310 and a decelerator 320, the decelerator 320 is fixed on the frame 400, and the driving motor 310 is gear-engaged with the decelerator 320; the lifting mechanism 200 comprises a rotating shaft sleeve 210 and a lifting rod 220, the rotating shaft sleeve 210 is arranged at the center of a gear of the speed reducer 320, the lifting rod 220 is arranged at the center of the rotating shaft sleeve 210, the outer circumference of the lifting rod 220 is connected with the inner circumference of the rotating shaft sleeve 210 through an adaptive thread, when the driving motor 310 is started, the gear of the speed reducer 320 is driven to rotate, the rotating shaft sleeve 210 is rotated, and then the lifting rod 220 is in threaded fit with the rotating shaft sleeve 210 to realize lifting action.
Further, the mounting base 110 is fixed at the top end of the lifting rod 220, so as to drive the mounting base 110 to move up and down, and further drive the supporting gear 130 on the mounting base 110 to move up and down.
Further, the outer parts of the rotating shaft sleeve 210 and the lifting rod 220 are respectively provided with a single-row ball type roller bearing, and the bearing has the advantages of reasonable structure, good rigidity, light dead weight, long service life and the like, the lifting rod 220 is designed with a fully-sealed device of heat-resistant rubber, lubricating oil is not leaked, external dust cannot enter the lifting rod 220 to damage the lifting rod 220, and the use of a welding environment with a severe working environment is met.
In the present utility model, the frame 400 includes a base 410 and support legs 420, the top of the support legs 420 are disposed at four corners of the bottom of the base 410, the bottom of the support legs 420 is fixed on a rail of a turning wheel device, and the decelerator 320 of the driving mechanism 300 is fixed on the upper surface of the base 410.
The lifting mechanism 200 of the present utility model adopts a constant speed type, and ensures that any lifting mechanism 200 can be locked at any position by the double self-locking performance of the brake of the driving motor 310 and the guide rod 140, and is safe and reliable to use.
In addition, the utility model also provides a turning wheel device, which comprises the gear supporting device in the technical scheme and is used for supporting the driven gear 530 when the HXD1D locomotive wheel set is turned.
Compared with the prior art, the gear supporting device and the turning wheel equipment with the gear supporting device can protect the hollow shaft sleeve and the hollow shaft from being damaged in turning wheels of HXD1D locomotive wheel pairs.
The above-described embodiments of the present utility model do not limit the scope of the present utility model. Any other corresponding changes and modifications made in accordance with the technical idea of the present utility model shall be included in the scope of the claims of the present utility model.
Claims (10)
1. The utility model provides a gear support device, its characterized in that includes supporting mechanism, elevating system, actuating mechanism and frame, actuating mechanism set up in the frame, just actuating mechanism's power take off end with elevating system's rotation end is connected, supporting mechanism includes mount pad, pivot and support gear, the mount pad is fixed elevating system's lift end can reciprocate under elevating system's drive, the pivot pass support gear's center, just the both ends of pivot respectively with the both ends rotation connection of mount pad, so that support gear will install at hollow shaft sleeve's driven gear jack-up the time with driven gear meshing.
2. A gear support according to claim 1, wherein the hardness of the support gear is less than the hardness of the driven gear.
3. The gear supporting device according to claim 1, wherein the mounting base comprises a mounting plate and hinge plates, the bottom center of the mounting plate is fixed at the lifting end of the lifting mechanism, the hinge plates are respectively fixed at two sides of the upper surface of the mounting plate, and two ends of the rotating shaft are respectively connected to the two hinge plates in a rotating manner.
4. A gear supporting device according to claim 3, wherein the mounting plate is provided with at least two positioning holes at one side, a guide rod is slidably connected in the positioning holes, and the other end of the guide rod is fixed on the frame.
5. A gear support device according to claim 1, wherein the drive mechanism comprises a drive motor and a reducer, the reducer being fixed to the frame, the drive motor being in gear engagement with the reducer.
6. The gear supporting device according to claim 5, wherein the lifting mechanism comprises a rotating shaft sleeve and a lifting rod, the rotating shaft sleeve is arranged at the gear center of the speed reducer, the lifting rod is arranged at the center of the rotating shaft sleeve, the outer circumference of the lifting rod is connected with the inner circumference of the rotating shaft sleeve through an adaptive thread, the mounting seat is fixed at the top end of the lifting rod, and the lifting rod moves up and down under the rotation of the rotating shaft sleeve, so that the mounting seat is driven to move up and down.
7. The gear supporting device according to claim 6, wherein the outer portions of the rotating shaft sleeve and the lifting rod are provided with single-row ball type roller bearings.
8. The gear supporting device according to claim 1, wherein the frame comprises a base and supporting legs, the tops of the supporting legs are arranged at four corners of the bottom of the base, the bottoms of the supporting legs are fixed on steel rails of turning wheel equipment, and the driving mechanism is fixed on the upper surface of the base.
9. The gear support device of claim 1, further comprising a protective cover disposed on one side of the gear support device to prevent external dust from entering the interior of the drive train of the wheel set.
10. A turning wheel apparatus for turning an HXD1D locomotive wheel set, comprising a gear support device according to any one of claims 1-9, the bottom of the gear support device being mounted on a rail of the turning wheel apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320364872.0U CN219484448U (en) | 2023-03-01 | 2023-03-01 | Gear supporting device and turning wheel equipment with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320364872.0U CN219484448U (en) | 2023-03-01 | 2023-03-01 | Gear supporting device and turning wheel equipment with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219484448U true CN219484448U (en) | 2023-08-08 |
Family
ID=87480135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320364872.0U Active CN219484448U (en) | 2023-03-01 | 2023-03-01 | Gear supporting device and turning wheel equipment with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219484448U (en) |
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2023
- 2023-03-01 CN CN202320364872.0U patent/CN219484448U/en active Active
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