CN219554753U - Independent drive for traction apparatus - Google Patents
Independent drive for traction apparatus Download PDFInfo
- Publication number
- CN219554753U CN219554753U CN202320137209.7U CN202320137209U CN219554753U CN 219554753 U CN219554753 U CN 219554753U CN 202320137209 U CN202320137209 U CN 202320137209U CN 219554753 U CN219554753 U CN 219554753U
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- gear
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- steering
- bevel gear
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- 230000005540 biological transmission Effects 0.000 claims abstract description 41
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 abstract description 4
- 238000005461 lubrication Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
- Gear Transmission (AREA)
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Abstract
The utility model discloses an independent driving device for traction equipment, which comprises a fixed plate, a driving motor, a rotary support, a gear box body, a secondary gear transmission mechanism and a travelling wheel, wherein the driving motor is arranged above the fixed plate and is vertically arranged, the rotary support is arranged below the fixed plate, the gear box body is fixed with the rotary support, the secondary gear transmission mechanism is connected with the output end of the driving motor and is positioned in the gear box body, and the travelling wheel is arranged on the gear box body. The independent driving device drives the second gear pair through the first gear pair, realizes the rotation of the travelling wheels, has high integral strength, can provide and bear larger torque, can be applied to traction equipment with larger load and traction weight, and realizes the traction of large equipment or materials such as trains, airplanes and the like.
Description
Technical Field
The utility model relates to the technical field of gear transmission, in particular to an independent driving device for traction equipment.
Background
Along with the increasing demands of industries such as railways, airports, subways and the like on various traction equipment, a plurality of independent driving devices are arranged on the traction equipment, so that an ideal and effective design scheme for providing traction force and steering power for the traction equipment is realized. At present, most of similar independent driving devices in the market are suitable for occasions with lighter loads and small traction loads, such as AGV (automatic guided vehicle) and electric forklift. The independent driving device applied to the occasion with large load and traction weight is still to be solved.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide an independent driving device for traction equipment. The device has compact structure, can be applied to traction equipment with larger load and traction weight, and realizes the traction of large equipment or materials such as trains, airplanes and the like.
In order to solve the technical problems, the utility model provides the following technical scheme: an independent driving device for traction equipment comprises a fixed plate, a driving motor, a rotary support, a gear box body, a secondary gear transmission mechanism and a travelling wheel, wherein the driving motor is arranged above the fixed plate and is vertically arranged;
the gear box is equipped with the shaft that vertically sets up and the shaft that the level set up, secondary gear drive mechanism includes first stage gear pair and second stage gear pair, first stage gear pair is including installing driving helical gear and the driven helical gear of installing the transmission shaft upper end of driving motor's output, driving helical gear and driven helical gear meshing transmission, the second stage gear pair is including installing driving spiral bevel gear and the installation of transmission shaft lower extreme are in the driven spiral bevel gear of shaft inner, driving spiral bevel gear and driven spiral bevel gear meshing transmission, driven helical gear and driving spiral bevel gear coaxial rotation and can drive driven spiral bevel gear rotates, the walking wheel is installed the outer end of shaft, the walking wheel with driven spiral bevel gear coaxial rotation.
Compared with the prior art, the utility model has the following beneficial effects: the independent driving device is provided with the secondary gear transmission mechanism, the secondary gear pair is driven by the first-stage gear pair, the travelling wheel is rotated, the integral strength of the mechanism is high, and larger torque can be provided and born, so that the independent driving device can be applied to traction equipment with larger load and traction weight, and the traction of large-scale equipment or materials such as trains, airplanes and the like is realized.
Preferably, a first through hole for installing the transmission shaft is formed in the upper portion of the gearbox body, a first sinking groove and a second sinking groove are respectively formed in two ends of the first through hole, a first tapered roller bearing matched with the first sinking groove and a second tapered roller bearing matched with the second sinking groove are installed on the shaft body of the transmission shaft, and a first limit sleeve is arranged between the first tapered roller bearing and the second tapered roller bearing;
the gear box comprises a gear box body, and is characterized in that the output part of the gear box body is provided with a second through hole for installing the gear shaft, the gear shaft is a spline shaft, a driven spiral bevel gear is installed at a spline part of the spline shaft, a third sinking groove and a fourth sinking groove are respectively arranged at two ends of the second through hole, the spline shaft is provided with a stage matched with the third sinking groove, the stage is provided with a third tapered roller bearing matched with the third sinking groove, the driven spiral bevel gear is provided with an assembling part matched with the fourth sinking groove, and a second limiting sleeve is arranged between the third tapered roller bearing and the driven spiral bevel gear.
Preferably, the driven bevel gear is connected with the upper end of the transmission shaft through a rectangular spline, and a lock nut for limiting the driven bevel gear to axially move is arranged at the upper end of the transmission shaft.
Preferably, the spline part of the driven spiral bevel gear and the spline shaft is connected through an involute spline, and the spline part is provided with a limiting plate for limiting the axial movement of the driven spiral bevel gear and fixing the limiting plate on the spline shaft through a screw.
Preferably, the spline shaft is provided with a shaft shoulder protruding out of the step, and the shaft shoulder and the travelling wheel are fixedly connected through a plurality of bolts.
Preferably, the independent driving device further comprises a steering driving device arranged above the fixed plate, a steering driving gear arranged at the output end of the steering driving device, and a steering driven gear meshed with the steering driving gear for transmission, wherein the steering driven gear is positioned between the slewing support and the gearbox body, and the slewing support, the steering driven gear and the gearbox body are fixedly connected.
Preferably, the steering driving device comprises a steering motor and a planetary reducer arranged on an output shaft of the steering motor, and an output end of the planetary reducer is connected with the steering driving gear.
Preferably, the steering motor is vertically arranged, and an output shaft of the driving motor and an output shaft of the steering motor are parallel to each other.
Preferably, the meshing backlash of the steering driving gear and the steering driven gear is less than 0.03mm.
In order that the above-recited features and effects of the present utility model can be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
Drawings
FIG. 1 is a schematic front view of an independent drive for a traction device of the present utility model;
FIG. 2 is a schematic side view of the independent drive of the traction device of the present utility model;
FIG. 3 is an enlarged partial schematic view of portion A of FIG. 1;
fig. 4 is an enlarged partial schematic view of the portion B in fig. 1.
In the figure: the device comprises a 1-fixed plate, a 2-driving motor, a 21-driving bevel gear, a 3-steering driving device, a 31-steering motor, a 32-planetary reducer, a 4-slewing bearing, a 5-gear box body, a 61-steering driving gear, a 62-steering driven gear, a 7-transmission shaft, a 71-driven bevel gear, a 72-driving spiral bevel gear, a 73-first tapered roller bearing, a 74-second tapered roller bearing, a 75-first limit sleeve, an 8-wheel shaft, a 81-driven spiral bevel gear, a 82-limit plate, a 83-stage, a 84-shaft shoulder, a 85-third tapered roller bearing, a 86-assembling part, a 87-fourth tapered roller bearing, a 88-second limit sleeve and a 9-travelling wheel.
Detailed Description
The following detailed description of the utility model is, therefore, not to be taken in a limiting sense, and is set forth in the appended drawings. The terms "front," "rear," "left," "right," "upper," "lower," and the like refer to an orientation or positional relationship based on that shown in the corresponding drawings, for convenience of description and simplicity of description, and do not necessarily indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. The terms "first," "second," "third," "fourth," and the like are used merely for simplifying the description to distinguish between similar objects and do not understand the precedence relationship between a particular order. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; may be directly connected or indirectly connected through an intermediate medium. The corresponding meanings of the above terms in the present utility model will be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1 and 2, the present utility model provides an independent driving apparatus for traction equipment, comprising a fixed plate 1, a driving motor 2 and a steering driving apparatus 3 mounted above the fixed plate 1, a swing support 4 mounted below the fixed plate 1, a gear box housing 5 fixed to the swing support 4, a secondary gear transmission mechanism connected to an output end of the driving motor 2 and located inside the gear box housing 5, and a traveling wheel 9 mounted on the gear box housing 5. The secondary gear transmission mechanism can drive the travelling wheels 9 to rotate, the integral strength of the mechanism is high, and larger torque can be provided and born, so that the independent driving device can be applied to traction equipment with larger load and traction weight, and the traction of large-scale equipment or materials such as trains, airplanes and the like is realized. The output end of the steering driving device 3 is provided with a steering driving gear 61, and the steering driving gear 61 is meshed with a steering driven gear 62 arranged on the slewing bearing 4 for transmission. The steering driving gear 61 and the steering driven gear 62 constitute a steering gear pair. The steering driven gear 62 is located between the slewing bearing 4 and the gear box body 5, and the slewing bearing 4, the steering driven gear 62 and the gear box body 5 are fixedly connected through bolts. When the steering driving device 3 controls the steering driving gear 61 to rotate, the steering driven gear 62 and the gear box body 5 synchronously rotate in the opposite direction, and meanwhile, the travelling wheel 9 is driven to steer.
In this embodiment, the driving motor 2 is vertically disposed, and an output shaft of the driving motor 2 penetrates the slewing bearing 4 and the steering driven gear 62 and extends downward. The output shaft of the driving motor 2 is connected with a secondary gear transmission mechanism. The gear box body 5 is provided with a vertically arranged transmission shaft 7 and a horizontally arranged wheel shaft 8, and the transmission shaft 7 is vertically arranged with the wheel shaft 8.
The secondary gear transmission mechanism comprises a first-stage gear pair and a second-stage gear pair, the gears adopt a carburizing and quenching process, the whole secondary gear transmission mechanism in the gearbox body 5 adopts oil immersion lubrication and splash lubrication, an oil duct is arranged in the gearbox body, and oil splashing and backflow are realized, so that the lubrication effect is good. The first-stage gear pair is positioned at the upper part of the gear box body 5, and the second-stage gear pair is positioned at the lower part of the gear box body 5. The first-stage gear pair comprises a driving bevel gear 21 arranged at the output end of the driving motor 2 and a driven bevel gear 71 arranged at the upper end of the transmission shaft 7, the driving bevel gear 21 and the driven bevel gear 71 are meshed for transmission, and the bevel gears can provide larger torque. The upper portion of gear box 5 is equipped with the first through-hole of installation transmission shaft 7, and the both ends of first through-hole are equipped with first heavy groove and second heavy groove respectively. The shaft body of the transmission shaft 7 is provided with a first tapered roller bearing 73 matched with the first sinking groove and a second tapered roller bearing 74 matched with the second sinking groove, and a first limit sleeve 75 (shown in fig. 3) is arranged between the first tapered roller bearing 73 and the second tapered roller bearing 74. The driven bevel gear 71 is connected with the upper end of the transmission shaft 7 through rectangular splines, and a lock nut for limiting the axial movement of the driven bevel gear 71 is arranged at the upper end of the transmission shaft 7 so as to further fix the driven bevel gear 71. When the driving bevel gear 21 rotates, the driven bevel gear 71 is driven to rotate in the opposite direction, and meanwhile, the transmission shaft 7 is driven to synchronously rotate.
The second-stage gear pair comprises a driving spiral bevel gear 72 arranged at the lower end of the transmission shaft 7 and a driven spiral bevel gear 81 arranged at the inner end of the wheel shaft 8, and the driving spiral bevel gear 72 and the driven spiral bevel gear 81 are meshed for transmission. The output part of the gear box body 5 is provided with a second through hole for installing the wheel axle 8, and the wheel axle 8 is a spline shaft. The driven spiral bevel gear 81 is arranged at a spline part of the spline shaft, the driven spiral bevel gear 81 is connected with the spline part of the spline shaft through an involute spline, a limiting plate 82 for limiting the axial movement of the driven spiral bevel gear 81 is arranged at the spline part, and the limiting plate 82 is fixed on the spline shaft through a screw. The travelling wheel 9 is arranged at the outer end of the wheel shaft 8, the spline shaft is provided with a shaft shoulder 84 protruding out of the step 83, the shaft shoulder 84 and the travelling wheel 9 are fixedly connected through a plurality of bolts, and the travelling wheel 9 and the driven spiral bevel gear 81 coaxially rotate. And a third sinking groove and a fourth sinking groove are respectively arranged at two ends of the second through hole. The spline shaft has a step 83 fitted with a third countersink, the step 83 is provided with a third tapered roller bearing 85 fitted with the third countersink, the driven spiral bevel gear 81 has an fitting portion 86 fitted with a fourth countersink, the fitting portion 86 is provided with a fourth tapered roller bearing 87 fitted with the fourth countersink, and a second stop collar 88 is provided between the third tapered roller bearing 85 and the driven spiral bevel gear 81 (as shown in fig. 4). The driven bevel gear 71 and the driving bevel gear 72 respectively installed at both ends of the transmission shaft 7 drive the driven bevel gear 81 to rotate and drive the travelling wheel 9 to rotate when coaxially rotating. During the movement, the direction of movement of the road wheels 9 can be controlled by the steering drive 3.
In this embodiment, the steering driving device 3 includes a steering motor 31 and a planetary reducer 32 mounted on an output shaft of the steering motor 31, an output end of the planetary reducer 32 is connected with a steering driving gear 61, and after the rotation speed of the steering motor 31 is adjusted by the planetary reducer 32, steering power is transmitted to a steering gear pair, and the steering gear pair drives a gear box body 5 and a travelling wheel 9 to rotate synchronously, so as to adjust the moving direction. The steering gear pair is a split gear pair, the meshing backlash of the steering driving gear 61 and the steering driven gear 62 is less than 0.03mm and is close to a zero backlash meshing gear with theoretical significance, and the design can realize higher steering precision. When the traction equipment is provided with a plurality of independent driving devices, better synchronous steering performance can be realized, and the rotation of the traction equipment and the steering of the traction equipment in situ can be realized within any curvature range.
The steering motor 31 is vertically arranged, the output shaft of the driving motor 2 and the output shaft of the steering motor 31 are mutually parallel, the whole structure of the independent driving device adopts vertical layout, the structure is simple, the later maintenance and the maintenance are convenient, and the independent driving device is suitable for being arranged on various traction equipment. The independent driving device can load 1500Kg by arranging the secondary gear transmission mechanism, and the traction capacity of the straight track can reach 300T of dead weight train.
Finally, it should be noted that: the above embodiments are only for illustrating the present utility model and not for limiting the technical solution described in the present utility model; thus, although the present utility model has been described in detail with reference to the above embodiments, it will be understood by those skilled in the art that the present utility model may be modified or equivalent; all technical solutions and modifications thereof that do not depart from the spirit and scope of the present utility model are intended to be included in the scope of the appended claims.
Claims (9)
1. An independent driving device for traction equipment is characterized by comprising a fixed plate (1), a driving motor (2) arranged above the fixed plate (1) and vertically arranged, a rotary support (4) arranged below the fixed plate (1), a gearbox box body (5) fixed with the rotary support (4), a secondary gear transmission mechanism connected with the output end of the driving motor (2) and positioned in the gearbox box body (5), and a travelling wheel (9) arranged on the gearbox box body (5);
the gear box (5) is equipped with shaft (7) and the shaft (8) that the level set up of vertical setting, secondary gear drive mechanism includes first order gear pair and second order gear pair, first order gear pair is including installing initiative helical gear (21) of the output of driving motor (2) and install driven helical gear (71) of shaft (7) upper end, initiative helical gear (21) and driven helical gear (71) meshing transmission, the second order gear pair is including installing initiative spiral bevel gear (72) of shaft (7) lower extreme and install driven spiral bevel gear (81) of shaft (8) inner, initiative spiral bevel gear (72) and driven spiral bevel gear (81) meshing transmission, driven helical gear (71) and initiative spiral bevel gear (72) coaxial rotation and can drive driven spiral bevel gear (81) rotate, walking wheel (9) are installed the outer end of shaft (8), walking wheel (9) with driven spiral bevel gear (81) coaxial rotation.
2. The independent driving device for traction equipment according to claim 1, wherein a first through hole for installing the transmission shaft (7) is arranged at the upper part of the gearbox box body (5), a first sinking groove and a second sinking groove are respectively arranged at two ends of the first through hole, a first tapered roller bearing (73) matched with the first sinking groove and a second tapered roller bearing (74) matched with the second sinking groove are arranged on the shaft body of the transmission shaft (7), and a first limit sleeve (75) is arranged between the first tapered roller bearing (73) and the second tapered roller bearing (74);
the gear box comprises a gear box body (5), wherein an output part of the gear box body (5) is provided with a second through hole for installing a gear shaft (8), the gear shaft (8) is a spline shaft, a driven spiral bevel gear (81) is installed at a spline part of the spline shaft, a third sinking groove and a fourth sinking groove are respectively arranged at two ends of the second through hole, the spline shaft is provided with a step (83) matched with the third sinking groove, the step (83) is provided with a third tapered roller bearing (85) matched with the third sinking groove, the driven spiral bevel gear (81) is provided with an assembling part (86) matched with the fourth sinking groove, the assembling part (86) is provided with a fourth tapered roller bearing (87) matched with the fourth sinking groove, and a second limiting sleeve (88) is arranged between the third tapered roller bearing (85) and the driven spiral bevel gear (81).
3. The independent driving device for traction equipment according to claim 2, characterized in that the driven bevel gear (71) is connected with the upper end of the transmission shaft (7) through rectangular splines, and the upper end of the transmission shaft (7) is provided with a lock nut for limiting the axial movement of the driven bevel gear (71).
4. The independent driving device for traction equipment according to claim 2, wherein the driven spiral bevel gear (81) is connected with a spline portion of the spline shaft through an involute spline, the spline portion is provided with a limiting plate (82) limiting axial movement of the driven spiral bevel gear (81), and the limiting plate (82) is fixed on the spline shaft through a screw.
5. Independent drive for a traction device according to claim 2, characterized in that the spline shaft has a shoulder (84) protruding from a step (83), the shoulder (84) and the road wheel (9) being fixedly connected by means of a plurality of bolts.
6. Independent drive for a traction device according to any one of claims 1-5, characterized in that the independent drive further comprises a steering drive (3) mounted above the fixed plate (1), a steering drive gear (61) mounted at the output of the steering drive (3), and a steering driven gear (62) in meshing transmission with the steering drive gear (61), the steering driven gear (62) being located between the slewing support (4) and the gearbox housing (5), and the slewing support (4), the steering driven gear (62) and the gearbox housing (5) being fixedly connected.
7. Independent drive for a traction device according to claim 6, characterized in that the steering drive (3) comprises a steering motor (31) and a planetary reducer (32) mounted on the output shaft of the steering motor (31), the output of the planetary reducer (32) being connected to a steering drive gear (61).
8. Independent drive for a traction device according to claim 7, characterized in that the steering motor (31) is arranged vertically, the output shaft of the drive motor (2) and the output shaft of the steering motor (31) being parallel to each other.
9. Independent drive for a traction device according to claim 6, characterized in that the meshing backlash of the steering driving gear (61) and steering driven gear (62) is < 0.03mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320137209.7U CN219554753U (en) | 2023-01-12 | 2023-01-12 | Independent drive for traction apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320137209.7U CN219554753U (en) | 2023-01-12 | 2023-01-12 | Independent drive for traction apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219554753U true CN219554753U (en) | 2023-08-18 |
Family
ID=87707285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320137209.7U Active CN219554753U (en) | 2023-01-12 | 2023-01-12 | Independent drive for traction apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219554753U (en) |
-
2023
- 2023-01-12 CN CN202320137209.7U patent/CN219554753U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 213000 No. 99, Wuyi Road, Changzhou City, Jiangsu Province Patentee after: Changzhou CRRC Ruitai Equipment Technology Co.,Ltd. Patentee after: CRRC Qishuyan Locomotive and Rolling Stock Technology Research Institute Co.,Ltd. Address before: 213000 No. 99, Wuyi Road, Changzhou City, Jiangsu Province Patentee before: Changzhou CRRC Ruitai Equipment Technology Co.,Ltd. Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd. |
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| CP03 | Change of name, title or address |