CN207931798U - Novel cantilever steering wheel driving device - Google Patents
Novel cantilever steering wheel driving device Download PDFInfo
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- CN207931798U CN207931798U CN201820319357.XU CN201820319357U CN207931798U CN 207931798 U CN207931798 U CN 207931798U CN 201820319357 U CN201820319357 U CN 201820319357U CN 207931798 U CN207931798 U CN 207931798U
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- coupling spindle
- bearing
- support base
- vertical shaft
- steering wheel
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Abstract
The utility model discloses a kind of novel cantilever steering wheel driving devices, it includes support base, hoofing part mechanism, steering driving mechanism, coupling spindle, wheel hub, rubber wheel case, roll bearing component and first bearing, the middle position of the top surface of support base is equipped with the vertical shaft slot for installing coupling spindle, support base is equipped with the horizontal axis hole penetrated through in the horizontal direction, hoofing part mechanism includes travel driving motor and rotary shaft, steering driving mechanism includes turning to driving motor, motor rack, tooth sector and rotating disc gear, rotating disc gear is installed in rotation on by coupling spindle in the vertical shaft slot of support base, roll the rolling support that bearing component is used to carry out the bottom rotating part of coupling spindle vertical direction, the bottom rotating part of coupling spindle is arranged by rolling bearing component in vertical shaft slot.The utility model is simple in structure, so that the load-bearing capacity of AGV trolleies significantly improve, turns to flexibly, run low control accuracy height, failure rate, be stable work in work, of low cost.
Description
Technical field
The utility model is related to a kind of steering wheel driving devices, it particularly relates to a kind of for driving homing guidance to transport
The cantilever steering wheel driving device of vehicle.
Background technology
AGV (Automated Guided Vehicle) is " automated guided vehicle ", is commonly called as " automatic guided vehicle ",
Refer to magnetically or optically waiting homing guidances device equipped with electricity, and can be travelled along preset guide path, there is safety to protect
The bearing type transport vehicle of shield and various transfer functions.But in the prior art the steering wheel driving device of AGV trolleies there is also with
Lower defect：1) the Cantilever knot of the driving wheel mounting bracket generally use unilateral side support of the steering wheel driving device of AGV trolleies
Structure, which results in the load-bearing capacities of the cantilever steering wheel driving device of unilateral side support by larger limitation；2) when AGV trolleies are carrying
When object load-bearing, the steering underaction of existing cantilever steering wheel driving device so that the running precision of AGV trolleies is not high, and
High failure rate and cause working performance unstable, which limits AGV trolleies to have space requirement for height to have stringent limit at some
The popularization and application of the occasion of system.
Utility model content
For above deficiency, the purpose of this utility model be to provide it is a kind of it is simple in structure, enable the load-bearing of AGV trolleies
Power significantly improves, turns to low flexible, operation control accuracy height, failure rate, stable work in work, low-cost novel suspended
Arm steering wheel driving device, it include support base, hoofing part mechanism, steering driving mechanism, coupling spindle, wheel hub, rubber wheel case,
Bearing component and first bearing are rolled, the middle position of the top surface of the support base is equipped with the vertical shaft for installing coupling spindle
Slot, the support base are equipped with the horizontal axis hole penetrated through in the horizontal direction, and the horizontal axis hole is located at the slot bottom of the vertical shaft slot
Lower section；The hoofing part mechanism includes travel driving motor and rotary shaft, and the travel driving motor is fixed at described
In support base, one end of the rotary shaft is fixedly connected with the output shaft of the travel driving motor, the rotary shaft it is another
One end is connect across horizontal axis hole with wheel hub, and the rotary shaft is rotatably connected with the horizontal axis hole；The steering driving mechanism
Including turning to driving motor, motor rack, tooth sector and rotating disc gear, the center of the rotating disc gear is equipped with for installing
The centre bore of coupling spindle, the coupling spindle are plugged in centre bore and are fixedly connected with the rotating disc gear, the rotating disc
Gear is installed in rotation on by coupling spindle in the vertical shaft slot of the support base, and the steering driving motor passes through motor rack
It is fixedly mounted in support base, the tooth sector is fixed on the output shaft for turning to driving motor, and the steering
The gear teeth meshing of the gear teeth and rotating disc gear of gear, so that turning to driving motor driving tooth sector surrounds rotating disc gear
Rotation；The rolling support for rolling bearing component and being used to carry out the bottom rotating part of coupling spindle vertical direction, the connection
The bottom rotating part of axis by roll bearing component be arranged in vertical shaft slot, the rollings bearing component include Shang Quan, it is lower enclose and
Several steel balls, Shang Quan and lower circle are in the axial concentric ring-shaped parallel interval arrangement vertical with the step surface of vertical shaft slot, upper circle
It is equipped with the annular rolling groove rolled convenient for steel ball on the medial surface of lower circle, several steel balls are rolled by annular rolling groove
It is dynamic to be arranged between Shang Quan and lower circle.
In order to further realize the present invention, the novel cantilever steering wheel driving device further includes second bearing and third axis
Hold, the bottom rotating part of the coupling spindle by 3rd bearing, roll bearing component, second bearing respectively with the vertical shaft slot
First annular step face, the second annular step surface, the flexible connection of third annular step surface.
In order to further realize the present invention, on the bottom rotating part of the coupling spindle corresponding to the position of vertical shaft slot from upper and
Under be equipped with position limiting convex ring, the first bulge loop, the second bulge loop and third bulge loop successively, it is convex that the inner ring of the second bearing is set in first
On ring, the rolling bearing component is set on the second bulge loop, and the inner ring of the 3rd bearing is set on third bulge loop.
In order to further realize the present invention, the position limiting convex ring, the first bulge loop, the second bulge loop and third bulge loop ring diameter according to
It is secondary to successively decrease.
In order to further realize the present invention, rotatably connected by first bearing between the rotary shaft and the horizontal axis hole
It connects.
The beneficial effects of the utility model：
1, the novel cantilever steering wheel driving device of the utility model, is provided with for steering wheel driving device to be rotatably installed in
The bottom rotating part of coupling spindle on AGV trolleies, coupling spindle passes through 3rd bearing, rolling bearing component and second bearing point
It is not flexibly connected with the first annular step face of vertical shaft slot, the second annular step surface and third annular step surface, to both make
Coupling spindle can carry out flexibly free rotation relative to the vertical shaft slot of support base, and reaching can be flexibly right using steering driving mechanism
Cantilever steering wheel carries out the purpose of turning commutation walking, and can make AGV trolleies during high speed load-bearing is walked, due to rolling
The setting of the vertical rolling of the upper circle, steel ball and lower circle of dynamic bearing component so that the load-bearing capacity of coupling spindle obtains significantly
It improves, and the friction being dramatically reduced between coupling spindle and vertical shaft slot, so that being equipped with cantilever steering wheel driving device
The load-bearing capacities of AGV trolleies significantly improve, and reduce failure rate, extend service life.The utility model structure
Simply, of low cost.
2, the novel cantilever steering wheel driving device of the utility model, in the bottom rotating part of coupling spindle and standing for support base
It is equipped between axial trough and rolls bearing component, it includes Shang Quan, lower circle and several steel balls to roll bearing component, and Shang Quan and lower circle are in axis
It is arranged to the concentric ring-shaped parallel interval vertical with the step surface of vertical shaft slot, is equipped with and is convenient on the medial surface of Shang Quan and lower circle
The annular rolling groove that steel ball rolls, several steel balls are rolled by annular rolling groove to be arranged between Shang Quan and lower circle, from
And the rolling support of vertical direction can be carried out to the bottom rotating part of coupling spindle, to improve the load-bearing energy of arm steering wheel driving device
Stability when power and raising cantilever steering wheel driving device work so that the utility model, which is walked or turned in high speed, to commutate
More stable operating status is kept in the process, is solved and " when AGV trolleies are in loading load-bearing, is turned to inadequate in the prior art
Flexibly, operation control accuracy it is not high, and high failure rate and cause working performance unstable " the technical issues of.
Description of the drawings
Fig. 1 is the three dimensional structure diagram of the utility model；
Fig. 2 is the structural schematic diagram of the side-looking direction of the utility model；
Fig. 3 is the schematic cross-sectional view of the utility model；
Fig. 4 is the explosive view of the utility model；
Fig. 5 is the three dimensional structure diagram of the rolling bearing component of the utility model.
Specific implementation mode
The utility model is further elaborated below in conjunction with the accompanying drawings, wherein the direction of the utility model is mark with Fig. 1
It is accurate.
As shown in Figures 1 to 5, the novel cantilever steering wheel driving device of the utility model, it includes support base 1, walking
Driving mechanism 2, coupling spindle 4, wheel hub 5, wheel case 6, rolls bearing component 7, first bearing 8, second bearing 9 at steering driving mechanism 3
With 3rd bearing 10, wherein：
1 global design of support base is at rectangular shape, the length direction and horizontal plane of support base 1, branch support group
The middle position of 1 top surface of seat is equipped with the vertical shaft slot 11 for installing coupling spindle 4, and the slot bottom of 11 inner wall self-support axial trough 11 of vertical shaft slot is extremely
The notch of vertical shaft slot 11 is equipped with first annular step face, the second annular step surface and third annular step surface, support base 1 successively
It is equipped with the horizontal axis hole 12 that penetrates through in the horizontal direction, horizontal axis hole 12 is located at the lower section of the slot bottom of vertical shaft slot 11, and vertical shaft slot 11
Central axis is mutually perpendicular to horizontal axis hole 12.
Hoofing part mechanism 2 is used to provide the driving force of walking for cantilever steering wheel driving device, and hoofing part mechanism 2 includes
Travel driving motor 21 and rotary shaft 22, travel driving motor 21 are fixed in support base 1, one end of rotary shaft 22 with
The output shaft of travel driving motor 21 is fixedly connected, and the other end of rotary shaft 22 passes through horizontal axis hole 12 and the wheel hub 5 of support base 1
Connection, and be rotatably connected by first bearing 8 between rotary shaft 22 and the horizontal axis hole 12 of support base 1, so that walking is driven
21 drive hub 5 rotation of dynamic motor realizes that the walking of arm steering wheel driving device, the fixation of rubber wheel case 6 are set on wheel hub 5.
Turning or Turning travel of the steering driving mechanism 3 for realizing cantilever steering wheel driving device, steering driving mechanism 3
Including turning to driving motor 31, motor rack 32, tooth sector 33 and rotating disc gear 34, the center of rotating disc gear 34, which is equipped with, to be used
In the centre bore 341 of installation coupling spindle 4, coupling spindle 4 is rotationally plugged in the centre bore 341 of rotating disc gear 34, is coupled
The position placed in the middle of 4 axial direction of axis is fixedly connected by the centre bore 341 of rotating disc gear 34 with rotating disc gear 34, rotating disc
Gear 34 is installed in rotation on by coupling spindle 4 in the vertical shaft slot 11 of support base 1, is turned to driving motor 31 and is passed through motor rack
32 are fixedly mounted in support base 1, and tooth sector 33 is fixed on the output shaft for turning to driving motor 31, and turn to tooth
The gear teeth meshing of the gear teeth and rotating disc gear 34 of wheel 33 drives tooth sector 33 around rotation so that turning to driving motor 31
Disk gear 34 rotates.
Coupling spindle 4 is used to cantilever steering wheel driving device being fixedly mounted on AGV trolleies, and the top of coupling spindle 4 and AGV are small
Vehicle is fixedly connected, and the bottom end of coupling spindle 4 is rotationally plugged in the vertical shaft slot 11 of support base 1, the bottom rotation of coupling spindle 4
In portion 40 corresponding to support base 1 vertical shaft slot 11 in position from top to bottom successively be equipped with position limiting convex ring 41, the first bulge loop 42,
Second bulge loop 43 and third bulge loop 44, position limiting convex ring 41, the first bulge loop 42, the second bulge loop 43 and third bulge loop 44 ring diameter successively
Successively decrease.
The rolling support that bearing component 7 is used to carry out the bottom rotating part 40 of coupling spindle 4 vertical direction is rolled, to improve
The load-bearing capacity of cantilever steering wheel driving device.It includes upper circle 71, lower circle 72 and several steel balls 73, upper circle to roll bearing component 7
71 and lower circle 72 in the axial concentric ring-shaped parallel interval arrangement vertical with the step surface of vertical shaft slot 11, upper circle 71 and lower enclose 72
Medial surface on be equipped with the annular rolling groove 74 rolled convenient for steel ball 73, several steel balls 73 pass through annular rolling groove 74
Setting is rolled between upper circle 71 and lower circle 72, so as to carry out the rolling of vertical direction to the bottom rotating part 40 of coupling spindle 4
Support, stability when improving the load-bearing capacity of arm steering wheel driving device and improve the work of cantilever steering wheel driving device.
The inner ring of second bearing 9 is set on the first bulge loop 42 of the bottom rotating part 40 of coupling spindle 4, rolls bearing component
On second bulge loop 43 of the bottom rotating part 40 that 7 upper circle 71 and lower circle 72 are set in coupling spindle 4, the inner ring of 3rd bearing 10
It is set on the third bulge loop 44 of the bottom rotating part 40 of coupling spindle 4, so that the bottom rotating part 40 of coupling spindle 4 passes through third
Bearing 10, the upper circle 71 for rolling bearing component 7 and lower circle 72 and first annular with vertical shaft slot 11 respectively of second bearing 9
Terrace, the second annular step surface and the flexible connection of third annular step surface, to both so that coupling spindle 4 can be relative to support base
1 vertical shaft slot 11 carries out flexibly free rotation, and can make coupling spindle 4 that connection be dramatically reduced in the case of load-bearing
Friction between axis 4 and vertical shaft slot 11, while the support load-bearing capacity of coupling spindle 4 is greatly improved, then so that being equipped with
The load-bearing capacity of the AGV trolleies of cantilever steering wheel driving device significantly improves, and reduces failure rate, extends using the longevity
Life.
The foregoing is merely the better embodiments of the present invention, and the invention is not limited in the above embodiments, are implementing
There may be the small structural modifications in part in the process, if the various changes or modifications of the present invention are not departed from the essence of the present invention
God and range, and belong within the scope of the claim and equivalent technologies of the present invention, then the present invention is also intended to comprising these changes
And modification.
Claims (5)
1. a kind of novel cantilever steering wheel driving device, it is characterised in that：It includes support base, hoofing part mechanism, turns to and drive
Motivation structure, wheel hub, rubber wheel case, rolls bearing component and first bearing, the lean-with of the top surface of the support base at coupling spindle
The vertical shaft slot for being useful for installation coupling spindle is installed, the support base is equipped with the horizontal axis hole penetrated through in the horizontal direction, the cross
Axis hole is located at the lower section of the slot bottom of the vertical shaft slot；The hoofing part mechanism includes travel driving motor and rotary shaft, described
Travel driving motor is fixed in the support base, the output of one end of the rotary shaft and the travel driving motor
Axis is fixedly connected, and the other end of the rotary shaft is connect across horizontal axis hole with wheel hub, and the rotary shaft can with the horizontal axis hole
Rotation connection；The steering driving mechanism includes turning to driving motor, motor rack, tooth sector and rotating disc gear, described turn
The center of Moving plate gear is equipped with centre bore for installing coupling spindle, the coupling spindle be plugged in centre bore and with the rotation
Disk gear is fixedly connected, and the rotating disc gear is installed in rotation on by coupling spindle in the vertical shaft slot of the support base,
The steering driving motor is fixedly mounted on by motor rack in support base, and the tooth sector is fixed at steering driving
On the output shaft of motor, and the gear teeth meshing of the gear teeth of the tooth sector and rotating disc gear, so that turning to driving motor
Tooth sector is driven to be rotated around rotating disc gear；The rolling bearing component is for hanging down to the bottom rotating part of coupling spindle
Histogram to rolling support, the bottom rotating part of the coupling spindle is arranged by rolling bearing component in vertical shaft slot, the rolling
Dynamic bearing component includes Shang Quan, lower circle and several steel balls, and Shang Quan and lower circle are in axial vertical with the step surface of vertical shaft slot same
Heart annular shape parallel interval is arranged, the annular rolling groove rolled convenient for steel ball is equipped on the medial surface of Shang Quan and lower circle, if
Dry steel ball is rolled by annular rolling groove and is arranged between Shang Quan and lower circle.
2. novel cantilever steering wheel driving device according to claim 1, it is characterised in that：The novel cantilever steering wheel driving
Device further includes second bearing and 3rd bearing, the bottom rotating part of the coupling spindle by 3rd bearing, roll bearing component,
Second bearing connects with the first annular step face of the vertical shaft slot, the second annular step surface, third annular step surface activity respectively
It connects.
3. novel cantilever steering wheel driving device according to claim 2, it is characterised in that：The bottom of the coupling spindle rotates
In portion position limiting convex ring, the first bulge loop, the second bulge loop and third bulge loop, institute are equipped with successively from top to bottom corresponding to the position of vertical shaft slot
The inner ring for stating second bearing is set on the first bulge loop, and the rolling bearing component is set on the second bulge loop, the third axis
The inner ring held is set on third bulge loop.
4. novel cantilever steering wheel driving device according to claim 3, it is characterised in that：It is the position limiting convex ring, first convex
The ring diameter of ring, the second bulge loop and third bulge loop successively decreases successively.
5. novel cantilever steering wheel driving device according to claim 1, it is characterised in that：The rotary shaft and the horizontal axis
It is rotatably connected by first bearing between hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820319357.XU CN207931798U (en) | 2018-03-08 | 2018-03-08 | Novel cantilever steering wheel driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820319357.XU CN207931798U (en) | 2018-03-08 | 2018-03-08 | Novel cantilever steering wheel driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207931798U true CN207931798U (en) | 2018-10-02 |
Family
ID=63654094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820319357.XU Active CN207931798U (en) | 2018-03-08 | 2018-03-08 | Novel cantilever steering wheel driving device |
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| Country | Link |
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| CN (1) | CN207931798U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110481674A (en) * | 2019-08-30 | 2019-11-22 | 中国农业大学 | Field Omni-mobile job platform |
| CN112498470A (en) * | 2020-12-02 | 2021-03-16 | 北京红胡子机器人科技有限公司 | Wheel assembly and multi-angle driving vehicle |
-
2018
- 2018-03-08 CN CN201820319357.XU patent/CN207931798U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110481674A (en) * | 2019-08-30 | 2019-11-22 | 中国农业大学 | Field Omni-mobile job platform |
| CN112498470A (en) * | 2020-12-02 | 2021-03-16 | 北京红胡子机器人科技有限公司 | Wheel assembly and multi-angle driving vehicle |
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