Summary of the invention
The object of the present invention is to provide a kind of wheels, the running gear and mine truck of vehicle, to solve existing mining card
The wheel of vehicle is existing, and structure is complicated, and machining accuracy is high, and difficulty of processing is big, and high failure rate, maintenance period is long, and maintenance difficulty is big,
Use the problem high with maintenance cost.
In order to achieve the above objectives, the present invention proposes a kind of wheel comprising: wheel hub;Motor is set in the wheel hub, institute
Stating motor includes shell, rotor, Stator and electrical machine axis, and the shell is fixedly connected with the wheel hub, and the rotor is covered described
It outside stator, and is fixed in the shell, the stator sleeve is fixedly connected outside the motor shaft, and with the motor shaft, institute
The shell and the hub rotation can be driven by stating rotor.
Wheel as described above, wherein bearing is equipped between the shell and the motor shaft, the motor shaft passes through institute
State shell described in bearing support.
Wheel as described above, wherein the shell includes a cricoid ontology and two end caps, two end caps
The both ends of the ontology are respectively arranged on, and are fixedly connected with the ontology, the bearing is two, and two bearings cover respectively
It is located between two end caps and the motor shaft, the rotor is fixed on the inside of the ontology.
Wheel as described above, wherein the wheel further includes brake, and the brake is located at the outside motor,
The motor shaft stretches out the shell, and connect with the brake.
Wheel as described above, wherein the wheel further includes brake hoop, one end of the brake hoop and the motor
Cage connection, the brake hoop are located on the inside of the wheel hub, and the brake is set on the inside of the brake hoop.
Wheel as described above, wherein the wheel further includes side cover, and the side cover is connected to the another of the brake hoop
End, the side cover and the brake and the motor shaft are separately.
Wheel as described above, wherein retaining ring is connected on the motor shaft, one end end of the motor shaft is connected with
Gland, gland described in one end contact of the brake, retaining ring described in the other end contact of the brake.
Wheel as described above, wherein one end of the motor shaft is connect with the brake, the motor shaft it is another
End is equipped with the flange for connecting vehicle bridge, and the flange stretches out the wheel hub;The flange and the motor shaft are integral type knot
Structure;Or the flange and the motor shaft are split type structure, and the flange is fixedly connected with the motor shaft.
The present invention also proposes a kind of running gear of vehicle comprising: vehicle bridge;Two above-mentioned wheels, two vehicles
Wheel is respectively arranged on the both ends of the vehicle bridge, and the motor shaft of the motor of two wheels is connect with the vehicle bridge respectively.
The present invention also proposes a kind of mine truck comprising the running gear of above-mentioned vehicle.
The characteristics of running gear and mine truck of wheel, vehicle of the invention and advantage are:
At work, the rotor of motor drives shell rotation to the present invention, and shell drives hub rotation, between motor and wheel hub
Deceleration mechanism that no setting is required, compared with prior art, structure is simple, and intensive compact, high transmission accuracy reduces machining accuracy and adds
Work difficulty, failure rate is low, and maintenance period is short, easy to repair, using low with maintenance cost, prolongs the service life.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, this hair of Detailed description of the invention is now compareed
Bright specific embodiment.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
As shown in Figure 1 and Figure 2, the present invention provides a kind of wheel 1 comprising wheel hub 11 and motor 12, motor 12 are set to wheel hub
In 11, motor 12 includes shell 121, rotor 122, stator 123 and motor shaft 124, and shell 121 is fixedly connected with wheel hub 11, is turned
122 sets of son is fixed in shell 121 outside stator 123, and 123 sets of stator are fixed outside motor shaft 124, and with motor shaft 124
Connection, stator 123 can generate rotating excitation field after powered up, have annular gap, 122 energy of rotor between rotor 122 and stator 123
It is rotated under the action of the rotating excitation field that stator 123 generates, rotor 122 can drive shell 121 and wheel hub 11 to rotate.
When wheel 1 of the invention works, the rotor 122 of motor 12 drives shell 121 to rotate, and shell 121 is with runner hub 11
Rotation, deceleration mechanism that no setting is required between motor 12 and wheel hub 11, compared with prior art, structure is simple, intensive compact, transmission
Precision is high, reduces machining accuracy and difficulty of processing, and failure rate is low, and maintenance period is short, easy to repair, using low with maintenance cost,
Prolong the service life.
Preferably, motor is low-speed high-torque motor, is more suitable for directly driving the rotation of wheel hub 11, such as low-speed big
Motor is permanent magnet low-speed high torque motor, can also be other low-speed high-torque motors certainly.
As shown in Figure 1 and Figure 2, further, bearing 125 is equipped between shell 121 and motor shaft 124, motor shaft 124 passes through
The rotation of 125 support housing 121 of bearing.
As shown in Fig. 2, further, shell 121 includes a cricoid ontology 1211 and two end caps 1212, two ends
Lid 1212 is respectively arranged on the both ends of ontology 1211, and is fixedly connected with ontology 1211, and bearing 125 is two, and two bearings 125 divide
It is not set between two end caps 1212 and motor shaft 124, rotor 122 is fixed on 1211 inside of ontology.By the way that two axis are arranged
125 are held, the rotation of support housing 121 and wheel hub 11 can be stablized.
As shown in Figure 1 and Figure 2, in a specific embodiment, wheel 1 further includes brake 13, and brake 13 is located at motor
Outside 12, motor shaft 124 stretches out shell 121, and connect with brake 13.
For example, brake 13 is drum brake or electromagnetic brake, when using drum brake, drum brake
Brake drum can be connect with the shell 121 of motor 12 or wheel hub 11, and brake drum can be with the shell 121 of motor 12 and 11 turns of wheel hub
Dynamic, the brake-shoe (or brake band) of drum brake connect with motor shaft 124, and brake-shoe is not moving part, when brake, brake-shoe and
Brake drum compresses, and generates friction torque, and wheel hub 11 is hindered to rotate, and completes braking;When using powerless magnetic brake, brake
13 operating condition is: it obtains electric pine and stops, power loss braking.The structure and working principle of drum brake and powerless magnetic brake are existing
There is technology, therefore does not repeat.
But the present invention is not limited thereto, and brake 13 can also be other existing brakes, as long as can be to wheel hub 11
Braking.
As shown in Figure 1 and Figure 2, further, wheel 1 further includes brake hoop 14, one end of brake hoop 14 and the shell of motor 12
121 end cap 1212 connects, and to rotate together with shell 121, brake hoop 14 is located at 11 inside of wheel hub, and brake 13 is set to braking
14 inside of ring.The purpose that brake hoop 14 is arranged is easy for installation brake 13, such as when brake 13 is drum brake, drum
The brake drum of formula brake is connect with brake hoop 14.For example, the end cap 1212 of one end of brake hoop 14 and shell 121 passes through bolt
Connection.
As shown in Figure 1 and Figure 2, further, wheel 1 further includes side cover 15, and side cover 15 is connected to the other end end of brake hoop 14
Separately, when work, side cover 15 is rotated together with brake hoop 14 for portion, side cover 15 and brake 13 and motor shaft 124.For example, system
The other end of rotating ring 14 is bolted with side cover 15.
When needing the axial position of limit stop 13, retaining ring 16 can be set on motor shaft 124, and in motor shaft
Gland 19 is arranged in 124 one end end, makes one end gland 19 of brake 13, other end contact retaining ring 16.For example, gland 19 with
Motor shaft 124 is bolted.
As shown in Figure 1 and Figure 2, further, one end of motor shaft 124 is connect with brake 13, the other end of motor shaft 124
Equipped with the flange 17 for connecting vehicle bridge 2, flange 17 stretches out wheel hub 11;Flange 17 and motor shaft 124 are an integral structure or divide
Body formula structure, when flange 17 and motor shaft 124 are split type structure, flange 17 is fixedly connected with motor shaft 124.
As shown in Fig. 2, making first bearing 125 to limit the axial position of first bearing 125 close to flange 17
One end contact flange 17, and the boss on other end contact motor shaft 124, to limit second bearing close to brake 13
125 axial position, makes one end contact retaining ring 16 of second bearing 125, another on other end contact motor shaft 124 is convex
Platform.
Again as shown in Fig. 2, to keep the axial position of two bearings 125 more stable, two baffle rings 18 can also be set, two
Baffle ring 18 is connect with two end caps 1212 of shell 121 respectively, and the outer ring of two bearings 125 of contact respectively, two baffle rings 18
It is respectively sleeved at the outside of flange 17 and the outside of retaining ring 16, there is ring between one of baffle ring 18 and flange 17 on the inside of it
There is annular gap between shape gap, another one baffle ring 18 and retaining ring 16 on the inside of it.
As shown in Figure 1, the present invention also provides a kind of running gears of vehicle comprising vehicle bridge 2 and two above-mentioned wheels
1, two wheels 1 are respectively arranged on the both ends of vehicle bridge 2, and the motor shaft 124 of the motor 12 of two wheels 1 is connect with vehicle bridge 2 respectively.
Running gear of the invention is motor-direct-drive type running gear, and when work, the rotor 122 of motor 12 drives shell
121 rotations, shell 121 are rotated with runner hub 11, deceleration mechanism that no setting is required between motor 12 and wheel hub 11, with prior art phase
Than structure is simple, and intensive compact, high transmission accuracy reduces machining accuracy and difficulty of processing, failure rate is low, and maintenance period is short, just
In maintenance, using low with maintenance cost, prolong the service life.
Preferably, motor is low-speed high-torque motor, is more suitable for directly driving the rotation of wheel hub 11, such as low-speed big
Motor is permanent magnet low-speed high torque motor, can also be other low-speed high-torque motors certainly.
As shown in Figure 1, being specifically, the motor shaft 124 of the motor 12 of each wheel 1 is connect with vehicle bridge 2 by flange 17, when
When motor shaft 124 and flange 17 are mutually independent component, one end of flange 17 is connect with motor shaft 124;Flange 17 it is another
End is in horn-like, and the other end of flange 17 is bolted with vehicle bridge 2, is dismounted very convenient;Brake 13 is located at motor
One end of 12 separate vehicle bridge 2.
The present invention also provides a kind of mine trucks comprising the running gear of above-mentioned vehicle.
When mine truck of the invention works, the rotor 122 of motor 12 drives shell 121 to rotate, and shell 121 is with runner hub
11 rotations, deceleration mechanism that no setting is required between motor 12 and wheel hub 11, compared with prior art, structure is simple, intensive compact, passes
Dynamic precision is high, reduces machining accuracy and difficulty of processing, failure rate is low, and maintenance period is short, easy to repair, use and maintenance cost
It is low, prolong the service life.
Preferably, motor is low-speed high-torque motor, is more suitable for directly driving the rotation of wheel hub 11, such as low-speed big
Motor is permanent magnet low-speed high torque motor, can also be other low-speed high-torque motors certainly.
Wheel 1 of the invention directly drives wheel hub 11 by using the motor 12 of low-speed big and rotates, and no setting is required subtracts
Fast machine part, is highly suitable for large-scale mine truck, reduces fault point, and use and maintenance cost is greatly reduced, and extends and uses
Period.
The foregoing is merely the schematical specific embodiment of the present invention, the range being not intended to limit the invention.It is any
Those skilled in the art, under the premise of not departing from design and the principle of the present invention made by equivalent changes and modifications, should all
Belong to the scope of protection of the invention.And it should be noted that each component part of the invention is not limited in above-mentioned entirety answers
With, each technical characteristic described in specification of the invention can select according to actual needs one individually use or select it is multinomial
Combine use, and therefore, the present invention covers other combinations related with this case inventive point and concrete application in the nature of things.