Whole vehicle power mechanism with high torque bearing capacity

Abstract

The utility model discloses a whole-vehicle power mechanism with high torque bearing capacity, which belongs to the technical field of whole-vehicle power mechanisms and comprises a frame for carrying an electric cabinet, two mounting seats are fixedly mounted at the bottom of the frame, rotating shafts are rotatably connected onto the mounting seats, hubs are mounted on the rotating shafts, and the hubs are mounted on the mounting seats. A plurality of rollers are rotationally mounted on the hub at equal angles and are obliquely connected to the hub; a power assembly for driving the rotating shaft to rotate is arranged at the bottom of the frame, and the power assembly can improve the rotating torque of the hubs and the rolling wheels; a bearing assembly for supporting and reinforcing the rotating shaft is arranged on the mounting seat; the whole vehicle power mechanism can stably operate under the condition that large pressure is borne, and the situation that structures such as a rotating shaft or a hub deform is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to whole vehicle power mechanism technical field, concretely is a whole vehicle power mechanism of high torsion moment and strong bearing capacity. BACKGROUND

[0002] Some embedded power cabinets need to be moved out during maintenance, the overall structure of the power cabinet is large, and manpower is not convenient to drag out, the whole vehicle equipment can easily drag the power cabinet out, the bottom of the whole vehicle equipment is provided with a power mechanism, the power mechanism can drive the whole vehicle to move directionally, and manpower is saved.

[0003] Such as the patent of a kind of wheel drive structure with announcement No. CN203126396U, including wheel hub and drive shaft assembly, wheel hub is equipped with connecting hole, connecting hole is equipped with internal spline, drive shaft assembly is equipped with connecting head, connecting head is equipped with external spline, connecting head is arranged in the connecting hole, drive shaft assembly passes through the external spline and the internal spline transmission torque, external spline and the internal spline, one is cylindrical straight tooth spline, the other is cylindrical helical spline, the tooth side gap between internal spline and the external spline is less than or equal to zero.

[0004] The above-mentioned patent provides a wheel drive structure which will not produce tooth side impact noise and is easy to assemble, but the weight of different power cabinets is different, for the heavy power cabinet, in the carrying and dragging process, a greater pressure is generated on the whole vehicle, the driving structure needs greater output power to drive under the influence of pressure, and the energy consumption is increased, in addition, part of the pressure received on the whole vehicle is transmitted to the driving mechanism, which is easy to cause deformation of the driving wheel or driving shaft, affecting the normal transmission of the subsequent driving mechanism.

[0005] In view of the above problems, it is urgent to make innovative design on the basis of the original whole vehicle power mechanism. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a whole vehicle power mechanism of high torsion moment and strong bearing capacity to solve the problem that for the heavy power cabinet, a greater pressure is generated on the whole vehicle in the dragging process, the driving structure needs greater output power to drive under the influence of pressure, and the energy consumption is increased.

[0007] To achieve the above object, the utility model provides the following technical scheme: a whole vehicle power mechanism of high torsion moment and strong bearing capacity, including the frame of carrying power cabinet, the bottom of the frame is fixedly installed with two mounting seats, and the mounting seat is rotatably connected with a rotating shaft, the rotating shaft is installed with a wheel hub, and a plurality of rollers are installed on the wheel hub at equal angles, and the rollers are inclinedly connected to the wheel hub;

[0008] The bottom of the frame is provided with a power assembly for driving the rotating shaft to rotate, and the power assembly can improve the rotating torque of the wheel hub and the rollers.

[0009] The mounting seat is provided with a bearing assembly for supporting and reinforcing the rotating shaft.

[0010] Preferably, the power assembly comprises a protective cover fixed to the bottom of the frame, an inner ring fixed to the inner wall of the protective cover, a plurality of planet wheels engaged with the inner side of the inner ring, a planet carrier connected to the plurality of planet wheels, and a sun gear engaged with the inner side of the plurality of planet wheels.

[0011] The protective cover is provided with a servo motor on the side, and the output end of the servo motor is coaxially fixedly connected with the sun gear.

[0012] Preferably, the planet wheels are rotationally connected with the planet carrier, and the planet carrier is coaxially fixedly connected with the rotating shaft.

[0013] Preferably, the bearing assembly comprises a bearing seat sleeved on the outside of the rotating shaft, two outer rings symmetrically installed on the outside of the bearing seat, and an inner ring installed at the middle position of the outside of the bearing seat.

[0014] The outer rings and the inner ring are fixedly connected with support frames, and the support frames are rotationally installed with support wheels.

[0015] Preferably, the outer rings and the inner ring are rotationally installed on the outside of the bearing seat, and the inner ring is arranged between the two outer rings.

[0016] Preferably, the frame bottom is fixedly installed with a guide sliding frame, two sliding seats are slidingly installed on the guide sliding frame, and an extension frame is installed on the sliding seat.

[0017] The extension frame on one side of the sliding seat is fixedly connected with the outer ring, and the extension frame on the other side of the sliding seat is fixedly connected with the inner ring.

[0018] Preferably, the sliding seat and the extension frame are rotationally installed, and the two sliding seats are elastically connected with buffer springs.

[0019] Compared with the prior art, the utility model has the advantages that:

[0020] The high-torque high-load whole vehicle power mechanism generates power through the servo motor, controls the rotating shaft to rotate under the rotation of the power assembly, drives the wheel hub and the roller to rotate through the rotating shaft, drives the frame to move in a certain direction through the roller, and thus controls the whole vehicle to move and carry the power cabinet.

[0021] Further, the power assembly is provided, the servo motor drives the sun gear to rotate, controls the planet carrier and the rotating shaft to rotate under the meshing transmission of the sun gear, the planet wheel and the inner ring, and thus drives the wheel hub and the roller to rotate.

[0022] The diameter of the planet wheel is larger than that of the sun wheel, the transmission ratio is reduced, the torque of the gear mesh transmission is increased, the power output by the servo motor can be stably transmitted to the rotating shaft, the rotating torque of the rotating shaft is increased, and the electric power cabinet can be stably driven.

[0023] Further, the bearing assembly is arranged, after the electric power cabinet is moved to the frame, the electric power cabinet generates a larger pressure on the wheel hub and the rotating shaft below the frame, the rotating shaft is provided with support frames and support wheels on both sides, the support wheels are attached to the ground, and the support wheels and the support frames can increase the bearing capacity of the driving mechanism, share the pressure transmitted to the rotating shaft and the wheel hub, and avoid deformation of the rotating shaft and the wheel hub.

[0024] When the pressure is large, the outer ring and the inner ring are sleeved on the bearing seat and rotate, at this time, the telescopic frame rotates correspondingly, the telescopic frame drives the sliding seats to move along the direction of the guide sliding frame, and the buffer spring connected between the two sliding seats is elastically buffered to reduce the pressure interference. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a three-dimensional structure schematic view of the frame of the utility model;

[0026] Figure 2 It is a three-dimensional structure schematic view of the wheel hub of the utility model;

[0027] Figure 3 It is a sectional structure schematic view of the protective cover of the utility model;

[0028] Figure 4 It is a three-dimensional structure schematic view of the planet wheel of the utility model;

[0029] Figure 5 It is a three-dimensional structure schematic view of the support frame of the utility model;

[0030] Figure 6 It is a three-dimensional structure schematic view of the guide sliding frame of the utility model;

[0031] Figure 7 It is a three-dimensional structure schematic view of the telescopic frame of the utility model.

[0032] In the drawing: 1, frame; 2, mounting seat; 3, rotating shaft; 4, wheel hub; 5, roller; 6, protective cover; 7, inner gear ring; 8, planet wheel; 9, planet carrier; 10, sun wheel; 11, servo motor; 12, bearing seat; 13, outer ring; 14, inner ring; 15, support frame; 16, support wheel; 17, guide sliding frame; 18, sliding seat; 19, telescopic frame; 20, buffer spring. DETAILED DESCRIPTION

[0033] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0034] Embodiment one: please refer to Figures 1-7 The present application provides the following technical solutions:

[0035] A high-torque strong-bearing whole vehicle power mechanism, comprising a vehicle frame 1 carrying an electric power cabinet, two mounting seats 2 are fixedly installed at the bottom of the vehicle frame 1, and a rotating shaft 3 is rotatably connected to the mounting seat 2, a wheel hub 4 is installed on the rotating shaft 3, and a plurality of rollers 5 are equiangularly rotatably installed on the wheel hub 4, and the rollers 5 are obliquely connected to the wheel hub 4.

[0036] The bottom of the vehicle frame 1 is provided with a power assembly for driving the rotating shaft 3 to rotate, and the power assembly can increase the rotating torque of the wheel hub 4 and the rollers 5.

[0037] The power assembly comprises a protective cover 6 fixed at the bottom of the vehicle frame 1, an inner ring gear 7 is fixed to the inner wall of the protective cover 6, a plurality of planetary gears 8 are meshingly connected to the inner side of the inner ring gear 7, a planet carrier 9 is connected to the plurality of planetary gears 8, and a sun gear 10 is meshingly connected to the inner side of the plurality of planetary gears 8.

[0038] A servo motor 11 is installed on the side of the protective cover 6, and the output end of the servo motor 11 is coaxially fixedly connected to the sun gear 10.

[0039] The planetary gears 8 and the planet carrier 9 are rotatably connected, and the planet carrier 9 is coaxially fixedly connected to the rotating shaft 3.

[0040] The servo motor 11 drives the sun gear 10 to rotate, the sun gear 10 is meshingly connected to the plurality of planetary gears 8 distributed on the outer circumference, and the other side of the plurality of planetary gears 8 is meshingly connected to the inner side of the inner ring gear 7, the plurality of planetary gears 8 are controlled to rotate circumferentially under the meshing transmission, the planet carrier 9 is driven to rotate by the planetary gears 8, the rotating shaft 3 is controlled to rotate synchronously by the planet carrier 9, the wheel hub 4 is driven to rotate by the rotating shaft 3, the plurality of rollers 5 on the outer circumferential surface of the wheel hub 4 are rolled, and the vehicle frame 1 is driven to move directionally.

[0041] The diameter of the planetary gears 8 is greater than the diameter of the sun gear 10, the gear transmission ratio is reduced, the rotating torque of the planet carrier 9 and the rotating shaft 3 is increased under the gear meshing transmission, and the rotating shaft 3 can stably drive the wheel hub 4 to rotate in the case that the vehicle frame 1 is loaded with a heavy electric power cabinet, and the operation of the vehicle frame 1 is stable.

[0042] Embodiment two: on the basis of embodiment one, further disclosed is a bearing assembly, which has the following specific structure:

[0043] The mounting seat 2 is provided with a bearing assembly for supporting and reinforcing the rotating shaft 3;

[0044] The bearing assembly comprises a bearing seat 12 sleeved outside the rotating shaft 3, two outer rings 13 are symmetrically mounted on the outer part of the bearing seat 12, and an inner ring 14 is mounted at the middle position of the outer part of the bearing seat 12;

[0045] The outer rings 13 and the inner ring 14 are fixedly connected with support frames 15, and the support frames 15 are rotatably mounted with support wheels 16.

[0046] The outer rings 13 and the inner ring 14 are rotatably mounted on the outer part of the bearing seat 12, and the inner ring 14 is arranged in abutment between the two outer rings 13.

[0047] The car frame 1 is fixedly mounted with a guide sliding frame 17 at the bottom, the guide sliding frame 17 is slidably mounted with two sliding seats 18, and the sliding seats 18 are mounted with telescopic frames 19;

[0048] The telescopic frame 19 on one side of the sliding seat 18 is fixedly connected to the outer ring 13, and the telescopic frame 19 on the other side of the sliding seat 18 is fixedly connected to the inner ring 14.

[0049] The sliding seat 18 is rotatably mounted with the telescopic frame 19, and the two sliding seats 18 are elastically connected with buffer springs 20.

[0050] When the electric power cabinet loaded on the car frame 1 generates a large pressure, part of the pressure is transmitted to the rotating shaft 3, the bearing seat 12 is mounted outside the rotating shaft 3, the outer rings 13 and the inner ring 14 are mounted outside the bearing seat 12, the support frames 15 connected to the outer rings 13 and the inner ring 14 are symmetrically distributed about the axis of the rotating shaft 3, the support wheels 16 are rotatably mounted on the two support frames 15, the support frames 15 and the support wheels 16 are supported at the bottom of the car frame 1, and the pressure on the rotating shaft 3 is shared, so as to avoid the deformation of the rotating shaft 3;

[0051] When the electric power cabinet generates a great pressure on the car frame 1, the outer rings 13 and the inner ring 14 sleeved outside the bearing seat 12 rotate correspondingly, the telescopic frames 19 on the outer rings 13 and the inner ring 14 push the sliding seats 18 to slide along the direction of the guide sliding frame 17, the telescopic frames 19 are automatically adjusted by telescopic movement, the two sliding seats 18 move in the opposite direction along the guide sliding frame 17, the buffer springs 20 connected between the two sliding seats 18 elastically buffer the pressure, the interference of the pressure on the car frame 1 to the rotating shaft 3 is reduced, and the deformation of the rotating shaft 3 is further avoided.

[0052] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium.

[0053] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A vehicle power system with high torque bearing capacity, comprising a frame (1) for transporting electrical cabinets, characterized in that: The bottom of the frame (1) is fixedly provided with two mounting seats (2), the mounting seat (2) is rotationally connected with a rotating shaft (3), the rotating shaft (3) is provided with a wheel hub (4), and a plurality of rollers (5) are rotationally arranged on the wheel hub (4) at equal angles, and the rollers (5) are obliquely connected to the wheel hub (4). The bottom of the frame (1) is provided with a power assembly for driving the rotating shaft (3) to rotate, which can improve the rotating torque of the wheel hub (4) and the rollers (5). The mounting seat (2) is provided with a bearing assembly for supporting and reinforcing the rotating shaft (3).

2. The high-torque load-bearing power mechanism of a complete vehicle according to claim 1, characterized in that: The power assembly comprises a protective cover (6) fixed to the bottom of the frame (1), an inner gear ring (7) fixed to the inner wall of the protective cover (6), a plurality of planetary gears (8) meshingly connected to the inner side of the inner gear ring (7), a planet carrier (9) connected to the plurality of planetary gears (8), and a sun gear (10) meshingly connected to the inner side of the plurality of planetary gears (8). The protective cover (6) is provided with a servo motor (11) on the side, and the output end of the servo motor (11) is coaxially fixedly connected with the sun gear (10).

3. The high-torque load-bearing power mechanism of a complete vehicle according to claim 2, characterized in that: The planetary gears (8) and the planet carrier (9) are rotationally connected, and the planet carrier (9) is coaxially fixedly connected with the rotating shaft (3).

4. The high-torque load-bearing power mechanism of a complete vehicle according to claim 1, characterized in that: The bearing assembly comprises a bearing seat (12) sleeved on the outside of the rotating shaft (3), two groups of outer circular rings (13) symmetrically mounted on the outside of the bearing seat (12), and an inner circular ring (14) mounted at the middle position of the outside of the bearing seat (12). The outer circular rings (13) and the inner circular ring (14) are fixedly connected with support frames (15), and the support frames (15) are rotationally provided with support wheels (16).

5. The high-torque load-bearing power mechanism of a complete vehicle according to claim 4, characterized in that: The outer circular rings (13) and the inner circular ring (14) are rotationally mounted on the outside of the bearing seat (12), and the inner circular ring (14) is arranged between the two outer circular rings (13).

6. The high-torque load-bearing power mechanism of a complete vehicle according to claim 4, characterized in that: The bottom of the frame (1) is fixedly provided with a guide carriage (17), the guide carriage (17) is slidably provided with two sliding seats (18), and the sliding seats (18) are provided with telescopic frames (19). The telescopic frame (19) on one side of the sliding seat (18) is fixedly connected with the outer circular ring (13), and the telescopic frame (19) on the other side of the sliding seat (18) is fixedly connected with the inner circular ring (14).

7. The high-torque load-bearing power mechanism of a complete vehicle according to claim 6, characterized in that: The sliding seat (18) and the telescopic frame (19) are rotationally connected, and the two sliding seats (18) are elastically connected with buffer springs (20).

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