CN214295410U - Driven wheel device suitable for aerial work platform - Google Patents
Driven wheel device suitable for aerial work platform Download PDFInfo
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- CN214295410U CN214295410U CN202120006419.3U CN202120006419U CN214295410U CN 214295410 U CN214295410 U CN 214295410U CN 202120006419 U CN202120006419 U CN 202120006419U CN 214295410 U CN214295410 U CN 214295410U
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Abstract
The utility model discloses a driven wheel device suitable for an aerial work platform, which comprises a mounting seat, a connecting disc, a first bearing, a second bearing, a traceless wheel and a fastening component, wherein a stepped shaft is arranged in the middle of the mounting seat; a first accommodating groove and a second accommodating groove are formed in the two sides of the middle of the connecting disc; the inner ring of the first bearing is sleeved on a section of step of the stepped shaft, and the outer ring of the first bearing is arranged in the first accommodating groove; the inner ring of the second bearing is sleeved on the other section of the ladder shaft, and the outer ring of the first bearing is arranged in the second accommodating groove; the traceless wheel is arranged on the connecting disc; the fastening assembly is arranged at the tail end of the stepped shaft and used for axially positioning the second bearing, the technical problems that the driven wheel in the prior art is poor in structural stability and unstable in walking are solved by means of the stability of matching and rotating of the two bearings, the danger of high-altitude operation is reduced, and therefore potential safety hazards are avoided.
Description
Technical Field
The utility model relates to an aerial working platform technical field especially relates to a from driving wheel device suitable for aerial working platform.
Background
The driving mode of the existing aerial work platform is generally realized by a driving wheel and a driven wheel, the driven wheel device is structurally characterized in that a single bearing or no bearing is adopted to realize the rotation of the driven wheel, the structural stability is poor, the problems of instability and poor durability of the aerial work platform during walking are caused, and the risk of aerial work is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a from driving wheel device suitable for aerial working platform to solve among the prior art from the relatively poor, the unstable technical problem of walking of driving wheel structural stability.
In order to achieve the above object, the technical scheme of the utility model provide a from driving wheel device suitable for aerial working platform, include from driving wheel device:
the middle part of the mounting seat is provided with a stepped shaft;
the connecting plate is provided with a first accommodating groove and a second accommodating groove on two sides of the middle part of the connecting plate;
the inner ring of the first bearing is sleeved on a section of step of the stepped shaft, and the outer ring of the first bearing is arranged in the first accommodating groove;
the inner ring of the second bearing is sleeved on the other section of the step shaft, and the outer ring of the first bearing is arranged in the second accommodating groove;
the traceless wheel is arranged on the connecting disc; and
a fastening assembly disposed at a distal end of the stepped shaft, the fastening assembly for axial positioning of the second bearing.
Optionally, the diameter of the first bearing cone is larger than the diameter of the second bearing cone.
Optionally, the fastening assembly comprises:
the nut is provided with external threads at the tail-end step of the stepped shaft and screwed into the tail-end step of the stepped shaft through threaded connection; and
the separation blade, the separation blade suit is in on the end ladder of step shaft, just, the separation blade is located the second bearing with between the nut, in order to be used for axial positioning the second bearing.
Optionally, the fastening assembly further comprises:
the outer circumferential surface of the tail end of the stepped shaft is provided with a through hole, the nut is a groove nut, and the split pin is inserted into the through hole and is buckled at a notch of the nut.
Optionally, the driven wheel device further comprises:
the sealing assembly, connection pad middle part axial extension forms a sleeve, the inside second holding tank that is of sleeve, sealing assembly set up in telescopic tip.
Optionally, the seal assembly comprises:
a first fastener; and
the dustproof cover is arranged at the end part of the sleeve through a first fastener.
Optionally, a skirt edge of the dust cover is provided with a skirt edge, the skirt edge is provided with a first threaded hole, an end portion of the sleeve is provided with a second threaded hole corresponding to the first threaded hole, and the first fastener includes:
a first resilient pad; and
the first bolt is inserted into the first elastic gasket, the first threaded hole and the second threaded hole in sequence.
Optionally, the driven wheel device further comprises:
the sealing ring is sleeved on the stepped shaft and is close to one section of the ladder of the mounting seat, and the sealing ring is used for sealing the first bearing.
Optionally, a hub disc of the traceless wheel is provided with a third threaded hole, the connecting disc is provided with a fourth threaded hole corresponding to the third threaded hole, the driven wheel device further includes a second fastening piece, and the second fastening piece includes:
a second resilient pad;
a first flat gasket; and
and the second bolt is inserted into the second elastic gasket, the first flat gasket, the third threaded hole and the fourth threaded hole in sequence.
Optionally, a fifth threaded hole is formed in the mounting seat, the driven wheel device further includes a third fastening member, and the third fastening member includes:
a third resilient pad;
a second flat gasket; and
and the third bolt is inserted into the third elastic gasket, the second flat gasket and the fifth threaded hole in sequence.
In conclusion, the application the utility model discloses from technical scheme of driving wheel device, following beneficial effect or advantage have at least:
1. this follow driving wheel device extends first holding tank and second holding tank respectively through the both sides at connection pad middle part, in order to be used for holding the outer lane of first bearing and second bearing respectively, and, first bearing and second bearing inner race suit respectively are at the ladder of step shaft, axial positioning is realized through the ladder in one side of its inner circle, axial positioning is realized through the fastening components who sets up at the end of step shaft to the opposite side, rely on two bearing cooperation pivoted stationarities, in order to solve among the prior art from driving wheel structural stability relatively poor, the unstable technical problem of walking, high altitude construction's danger has been reduced, thereby avoid appearing the potential safety hazard.
2. The fastening assembly of the driven wheel device locks the nut at the tail end of the stepped shaft through the split pin, so that safety accidents caused by falling of the nut are avoided, and the danger of high-altitude operation is reduced.
3. This from driving wheel device's first bearing and second bearing one side seal through lip seal, and the opposite side passes through seal assembly and realizes sealed effect to prevent that the dust from getting into the bearing inside and leading to rotating dumb, further promote the stability of driven wheel structure, the walking is more steady, moreover, has prolonged the life of bearing.
4. The driven wheel device is simple and compact in structure, economical and practical, and suitable for various mechanical walking occasions, especially for aerial work platforms.
In order to make the present invention and other objects, advantages, features and functions thereof clearer and more understandable, preferred embodiments will be described in detail in the following detailed description, which is made with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a driven wheel device suitable for an aerial work platform;
fig. 2 is an exploded view of the driven wheel device of the present invention for an aerial work platform.
Description of reference numerals: 10. a driven wheel device; 20. a mounting seat; 21. a fifth threaded hole; 22. a stepped shaft; 23. perforating; 30. a connecting disc; 31. a sleeve; 32. a first accommodating groove; 33. a second accommodating groove; 34. a fourth threaded hole; 35. a second threaded hole; 40. a first fastener; 41. a first bolt; 42. a first resilient pad; 50. a second fastener; 51. a second bolt; 52. a second resilient pad; 53. a first flat gasket; 60. a traceless wheel; 61. a hub plate; 70. a seal assembly; 71. a dust cover; 72. a skirt edge; 73. a first threaded hole; 80. a fastening assembly; 81. a nut; 82. a cotter pin; 83. a baffle plate; 90. a third fastener; 100. a seal ring; 110. a first bearing; 120. a second bearing.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 2 together, the present embodiment provides a driven wheel device 10 suitable for an aerial work platform, where the driven wheel device 10 includes a mounting base 20, a connecting plate 30, a first bearing 110, a second bearing 120, a traceless wheel 60, and a fastening assembly 80, where a stepped shaft 22 is disposed in a middle portion of the mounting base 20; a first accommodating groove 32 and a second accommodating groove 33 are formed in the two sides of the middle of the connecting disc 30; an inner ring of the first bearing 110 is sleeved on a section of the step of the stepped shaft 22, and an outer ring of the first bearing 110 is arranged in the first accommodating groove 32; the inner ring of the second bearing 120 is sleeved on another step of the stepped shaft 22, and the outer ring of the first bearing 110 is arranged in the second accommodating groove 33; the traceless wheel 60 is arranged on the connecting disc 30; the fastening member 80 is disposed at the end of the stepped shaft 22, and the fastening member 80 is used for axial positioning of the second bearing 120.
Wherein, this follow driving wheel device 10 extends first holding tank 32 and second holding tank 33 respectively through the both sides at connection pad 30 middle part, with the outer lane that is used for holding first bearing 110 and second bearing 120 respectively, and, first bearing 110 and second bearing 120 inner circle suit respectively are at the ladder of step shaft 22, axial positioning is realized through the ladder in one side of its inner circle, axial positioning is realized through the fastening components 80 that set up at the end of step shaft 22 to the opposite side, rely on two bearing cooperation pivoted stationarity to solve among the prior art from driving wheel structural stability relatively poor, the technical problem of walking unstability, high altitude construction's danger has been reduced, thereby avoid appearing the potential safety hazard.
Specifically, as the diameter of the stepped shaft 22 is larger and thicker as the stepped shaft 22 is closer to the mounting seat 20, the diameter of each step of the stepped shaft 22 is gradually decreased along the axial direction of the stepped shaft 22, the inner rings of the two bearings are sequentially sleeved on different steps of the stepped shaft 22, the first bearing 110 is closer to the mounting seat 20, that is, the diameter of the inner ring of the first bearing 110 is larger than that of the inner ring of the second bearing 120, and thus the diameters of the inner rings of the two bearings can be better matched with each step of the stepped shaft 22.
In one embodiment, the fastening assembly 80 comprises a nut 81 and a stop piece 83, wherein the end step of the stepped shaft 22 is provided with an external thread, and the nut 81 is screwed onto the end step of the stepped shaft 22 through a threaded connection; separation blade 83 suit is on the end ladder of step shaft 22, and, separation blade 83 is located between second bearing 120 and the nut 81, in order to be used for axial positioning second bearing 120, can understand, axial positioning is realized through the shoulder of step shaft 22 ladder to second bearing 120 through inner circle one side, axial positioning is realized through separation blade 83 to the opposite side, thereby with the firm installation on step shaft 22 of second bearing 120, axial positioning is realized through the shoulder of step shaft 22 ladder to one side of first bearing 110 inner circle, axial positioning is realized through the baffle between the sleeve 31 of step shaft 22 ladder to the opposite side of first bearing 110 outer lane, axial positioning is realized through the baffle between the sleeve 31 of connection pad 30 both sides.
Specifically, the fastening assembly 80 further includes a cotter 82, the outer circumferential surface of the end of the stepped shaft 22 is provided with a through hole 23, the nut 81 is a slotted nut 81, and the cotter 82 is inserted into the through hole 23 and is snapped at the notch of the nut 81 to lock the nut 81.
It should be noted that the fastening assembly 80 of the driven wheel device 10 locks the nut 81 at the end of the stepped shaft 22 through the cotter 82, so as to avoid safety accidents caused by the falling of the nut 81, thereby reducing the risk of working aloft.
In one embodiment, the driven wheel device 10 further includes a sealing assembly 70, the middle portion of the connecting disc 30 extends axially to both sides to form a sleeve 31, the insides of the sleeves 31 at both sides are respectively used as a first receiving groove 32 and a second receiving groove 33, and the sealing assembly 70 is disposed at the end portion of the sleeve 31, and can be connected by bolts, thereby facilitating disassembly, maintenance and replacement.
Specifically, the seal assembly 70 includes a first fastener 40 and a dust cap 71, wherein the dust cap 71 is disposed at an end of the sleeve 31 by the first fastener 40.
Further, the skirt 72 is disposed at the side edge of the dust cover 71, the skirt 72 is opened with a first threaded hole 73, the end portion of the sleeve 31 is opened with a second threaded hole 35 corresponding to the first threaded hole 73, the first fastening member 40 includes a first elastic gasket 42 and a first bolt 41, wherein the first bolt 41 is inserted into the first elastic gasket 42, the first threaded hole 73 and the second threaded hole 35 in sequence, so as to fix the dust cover 71 at the end portion of the sleeve 31 outside the connecting disc 30, and thus a sealing effect is achieved on the second bearing 120.
In one embodiment, the driven wheel assembly 10 further includes a sealing ring 100, the sealing ring 100 is fitted over a section of the stepped shaft 22 adjacent to the mounting seat 20, and the sealing ring 100 is used to seal the first bearing 110, so that the two bearings can be better sealed against dust entering the interior thereof.
It should be noted that, one side of the first bearing 110 and the second bearing 120 of the driven wheel device 10 is sealed by the lip-shaped sealing ring 100, and the other side of the first bearing and the second bearing is sealed by the sealing assembly 70, so as to prevent dust from entering the inside of the bearing and causing inflexible rotation, further improve the stability of the driven wheel structure, make the walking more stable, and prolong the service life of the bearing.
In one embodiment, the hub 61 of the traceless wheel 60 is provided with a third threaded hole, the connecting disc 30 is provided with a fourth threaded hole 34 corresponding to the third threaded hole, and the driven wheel device 10 further includes a second fastening member 50, where the second fastening member 50 includes a second elastic gasket 52, a first flat gasket 53, and a second bolt 51, and the second bolt 51 is inserted in the second elastic gasket 52, the first flat gasket 53, the third threaded hole, and the fourth threaded hole 34 in sequence.
In one embodiment, the mounting base 20 is provided with a fifth threaded hole 21, the driven wheel device 10 further includes a third fastening member 90, the third fastening member 90 includes a third elastic gasket, a second flat gasket and a third bolt, wherein the third bolt is inserted into the third elastic gasket, the second flat gasket and the fifth threaded hole 21 in sequence, so as to fix the driven wheel device 10 on the chassis of the aerial work platform, the driving wheel of the aerial work platform rotates to drive the two bearings to rotate, and the connecting disc 30 is tightly matched with the two bearings, and the traceless wheel 60 is fixed on the connecting disc 30, so that the traceless wheel 60 and the connecting disc 30 rotate together along with the two bearings, thereby realizing the rotation of the whole driven wheel device 10.
That is, the driven wheel device 10 has a simple and compact structure, is economical and practical, and is suitable for various mechanical walking occasions, particularly for aerial work platforms.
In the present invention, for the sake of clearer description, the following explanation is made: the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, are defined with reference to the orientation or positional relationship shown in the drawings, which are used for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.
It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Furthermore, the terms "first," "second," "third," "fourth," and "fifth" are used merely for purposes of clarity or simplicity of description and are not to be construed as indicating or implying a relative importance or quantity.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (10)
1. A driven wheel assembly adapted for use with an aerial work platform, the driven wheel assembly comprising:
the middle part of the mounting seat is provided with a stepped shaft;
the connecting plate is provided with a first accommodating groove and a second accommodating groove on two sides of the middle part of the connecting plate;
the inner ring of the first bearing is sleeved on a section of step of the stepped shaft, and the outer ring of the first bearing is arranged in the first accommodating groove;
the inner ring of the second bearing is sleeved on the other section of the step shaft, and the outer ring of the first bearing is arranged in the second accommodating groove;
the traceless wheel is arranged on the connecting disc; and
a fastening assembly disposed at a distal end of the stepped shaft, the fastening assembly for axial positioning of the second bearing.
2. The driven wheel assembly for an aerial work platform as defined in claim 1 wherein the diameter of the first bearing cone is greater than the diameter of the second bearing cone.
3. A driven wheel assembly adapted for use with an aerial work platform as defined in claim 1 wherein said fastening assembly comprises:
the nut is provided with external threads at the tail-end step of the stepped shaft and screwed into the tail-end step of the stepped shaft through threaded connection; and
the separation blade, the separation blade suit is in on the end ladder of step shaft, just, the separation blade is located the second bearing with between the nut, in order to be used for axial positioning the second bearing.
4. A driven wheel assembly as claimed in claim 3, wherein the fastening assembly further comprises:
the outer circumferential surface of the tail end of the stepped shaft is provided with a through hole, the nut is a groove nut, and the split pin is inserted into the through hole and is buckled at a notch of the nut.
5. The driven wheel assembly for an aerial work platform as defined in claim 1, further comprising:
the sealing assembly, connection pad middle part axial extension forms a sleeve, the inside second holding tank that is of sleeve, sealing assembly set up in telescopic tip.
6. The driven wheel assembly for an aerial work platform as defined in claim 5 wherein the seal assembly comprises:
a first fastener; and
the dustproof cover is arranged at the end part of the sleeve through a first fastener.
7. The driven wheel device suitable for the aerial work platform as claimed in claim 6, wherein the skirt edge of the dust cover is provided with a skirt, the skirt is provided with a first threaded hole, the end of the sleeve is provided with a second threaded hole corresponding to the first threaded hole, and the first fastening member comprises:
a first resilient pad; and
the first bolt is inserted into the first elastic gasket, the first threaded hole and the second threaded hole in sequence.
8. The driven wheel assembly for an aerial work platform as defined in claim 1, further comprising:
the sealing ring is sleeved on the stepped shaft and is close to one section of the ladder of the mounting seat, and the sealing ring is used for sealing the first bearing.
9. The driven wheel device suitable for the aerial work platform as claimed in claim 1, wherein a hub plate of the traceless wheel is provided with a third threaded hole, the connecting plate is provided with a fourth threaded hole corresponding to the third threaded hole, the driven wheel device further comprises a second fastening piece, and the second fastening piece comprises:
a second resilient pad;
a first flat gasket; and
and the second bolt is inserted into the second elastic gasket, the first flat gasket, the third threaded hole and the fourth threaded hole in sequence.
10. The driven wheel device suitable for the aerial work platform as claimed in claim 1, wherein the mounting base is provided with a fifth threaded hole, the driven wheel device further comprises a third fastening member, and the third fastening member comprises:
a third resilient pad;
a second flat gasket; and
and the third bolt is inserted into the third elastic gasket, the second flat gasket and the fifth threaded hole in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120006419.3U CN214295410U (en) | 2021-01-04 | 2021-01-04 | Driven wheel device suitable for aerial work platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120006419.3U CN214295410U (en) | 2021-01-04 | 2021-01-04 | Driven wheel device suitable for aerial work platform |
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| Publication Number | Publication Date |
|---|---|
| CN214295410U true CN214295410U (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120006419.3U Active CN214295410U (en) | 2021-01-04 | 2021-01-04 | Driven wheel device suitable for aerial work platform |
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| CN (1) | CN214295410U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115465019A (en) * | 2022-08-23 | 2022-12-13 | 湖南中联重科智能高空作业机械有限公司 | Thin solid tire and aerial work platform |
-
2021
- 2021-01-04 CN CN202120006419.3U patent/CN214295410U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115465019A (en) * | 2022-08-23 | 2022-12-13 | 湖南中联重科智能高空作业机械有限公司 | Thin solid tire and aerial work platform |
| CN115465019B (en) * | 2022-08-23 | 2023-06-30 | 湖南中联重科智能高空作业机械有限公司 | Thin solid tyre and aerial working platform |
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