CN201849278U - Driven wheel mechanism applied to carriers or stackers - Google Patents
Driven wheel mechanism applied to carriers or stackers Download PDFInfo
- Publication number
- CN201849278U CN201849278U CN2010205558276U CN201020555827U CN201849278U CN 201849278 U CN201849278 U CN 201849278U CN 2010205558276 U CN2010205558276 U CN 2010205558276U CN 201020555827 U CN201020555827 U CN 201020555827U CN 201849278 U CN201849278 U CN 201849278U
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- Prior art keywords
- driven wheel
- rotating shaft
- bearing
- wheel carrier
- transport trolley
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- Expired - Fee Related
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Abstract
The utility model relates to carriers or stackers, in particular to a driven wheel mechanism applied to carriers or stackers. The utility model is realized by the following technical scheme: the driven wheel mechanism comprises a driven wheel seat, a driven wheel carrier and a driven wheel, the driven wheel seat is fixed on a vehicle body, the driven wheel carrier is rotatably connected with the driven wheel seat, the driven wheel is articulated with the driven wheel carrier, the upper end of the driven wheel carrier is firmly connected with a rotary shaft, bearings which are fixed on the driven wheel carrier are respectively sleeved on the upper and the lower parts of the rotary shaft, wherein an elastic element is arranged between the bearing and the upper end of the driven wheel carrier. The driven wheel mechanism can freely adjust the ground clearance within a certain range, and thereby can indirectly adjust the positive pressure applied on the ground by the driven wheel, thus solving the problem that the driving wheel can leave the ground or skid due to the three-point support formed by the driven wheel and the two front wheels in the prior art.
Description
Technical field
The utility model relates to transport trolley and forklift, particularly a kind of flower wheel mechanism that is applied to transport trolley or forklift.
Background technology
In existing electrocar or the forklift, its flower wheel and car body adopt fixing being rigidly connected.
Because ground-surface is uneven, this kind transport trolley or forklift just easily cause the formation of flower wheel and two front-wheels supported at three point, the especially carrying of four-point structure or forklift in the process of travelling, make drive wheel reduce even soar, thereby the drive wheel skidding occurs ground-surface pressure.
In addition, when there were manufacturing errors in transport trolley of the prior art or forklift, this error was meant that under normal assembling this transport trolley or forklift are placed on the smooth road surface, and drive wheel is higher than flower wheel; Therefore, under the situation that has this kind error, need adjust by shimming during assembling, not only time-consuming but also require great effort; Moreover this kind transport trolley or forklift are in use, and drive wheel will inevitably produce wearing and tearing, promptly using after a period of time, this transport trolley or forklift placed on the smooth road surface, and drive wheel will inevitably be higher than flower wheel; Drive wheel is higher than flower wheel, then can cause drive wheel ground pressure deficiency, and produces skidding.
The utility model content
The purpose of this utility model provides a kind of flower wheel mechanism that is applied to transport trolley or forklift, free adjustment terrain clearance within the specific limits, thereby play indirect regulation drive wheel positive pressure over the ground, solved in the prior art owing to flower wheel and two front-wheels form supported at three point and drive wheel is soared or problem of slip.
Above-mentioned purpose of the present utility model is achieved by the following technical programs: a kind of flower wheel mechanism that is applied to transport trolley or forklift, comprise the driven wheel seat that is fixed on the car body, be rotatably connected on the driven wheel carrier on the driven wheel seat and be articulated in flower wheel on the driven wheel carrier, driven wheel carrier upper end is fixedly connected with rotating shaft, the rotating shaft upper and lower sleeve is provided with the bearing that is fixed on the driven wheel seat, is provided with elastic element between its centre bearer and the driven wheel carrier upper end.
Make the driven relatively wheel seat elasticity of flower wheel connect by elastic element in the technique scheme, promptly flower wheel can realize fluctuating connection by driven relatively wheel seat.
As preferably, described bearing comprises angular contact ball bearing and the tapered roller bearing that is sheathed in the rotating shaft and distributes successively from top to bottom; Also be arranged with the gland that is positioned at the angular contact ball bearing top in the rotating shaft; Elastic element is between tapered roller bearing lower surface and driven wheel carrier upper surface; The outer ring of tapered roller bearing and the outer ring of angular contact ball bearing all with driven wheel seat flush fit; Rotating shaft top is provided with screw thread, is rotary with the nut that is positioned at the gland top in the rotating shaft.
Nut in the technical program also plays the effect of regulating the elastic element precompressed compression except rotating shaft being fixedly attached on the driven wheel seat.
As preferably, described elastic element is the disk spring that is sheathed in the rotating shaft.
The setting of disk spring is for this elastic element is not contacted with the outer ring of tapered roller bearing; If both contact, then can increase the cornering resistance of flower wheel.
As preferably, also be rotary with the jam nut of clamp nut in the described rotating shaft.
The setting of jam nut is to prevent from promptly to have reduced the ground pressure of drive wheel relatively because nut in use, toward the skew of rotating shaft top, and causes the ground pressure of flower wheel to increase, thus the phenomenon that drive wheel is skidded.
As preferably, described rotating shaft is by being sheathed on the cylinder in the bearing and forming with cylinder upper end one bonded assembly double-screw bolt; The diameter of double-screw bolt is less than the diameter of cylinder.
In sum, the utlity model has following beneficial effect:
1, uses transport trolley of the present utility model or forklift, when when assembling, finding that drive wheel is higher than flower wheel, only need further screw jam nut, elastic element is further compressed, thereby being increased to corresponding height, flower wheel gets final product, to guarantee the ground pressure of drive wheel; Otherwise when drive wheel was lower than flower wheel, the ground pressure of drive wheel was bigger than normal, then easily cause drive wheel wearing and tearing aggravation, can the ground pressure of drive wheel also be reduced thereupon, thereby reduce the wearing and tearing of drive wheel by unscrewing jam nut to reduce the height of flower wheel; The height adjustment mode of this kind flower wheel was both laborsaving, and was easy again, and saved time;
2, when flower wheel runs into pit or drive wheel and runs into projection,, make drive wheel and two front-wheels formation supported at three point, thereby avoid drive wheel to skid because the effect of jam nut makes flower wheel soar;
3, when flower wheel runs into projection or drive wheel and runs into pit, elastic element will further compress, thereby reduce the ground clearance of drive wheel, guarantee the ground pressure of drive wheel, thereby avoid drive wheel to soar or skid.
Description of drawings
Fig. 1 is the structural representation of embodiment;
Among the figure, 1, driven wheel seat, 2, driven wheel carrier, 21, flower wheel, 22, hinge, 31, cylinder, 32, double-screw bolt, 33, boss, 41, tapered roller bearing, 42, angular contact ball bearing, 43, gland, 44, nut, 45, jam nut, 5, disk spring.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
As shown in Figure 1, a kind of flower wheel mechanism that is applied to transport trolley or forklift, mainly be by being fixed in the driven wheel seat 1 on the car body, driven wheel carrier 2 and being articulated in flower wheel 21 on the driven wheel carrier 2 by hinge 22, driven wheel carrier 2 upper ends are welded with rotating shaft, its shaft is formed by the boss 33 of cylinder 31,31 times circumference of cylinder and with cylinder 31 upper end one bonded assembly double-screw bolts 32, and the diameter of double-screw bolt 32 is less than the diameter of cylinder 31; Car body is not shown in the drawings.
Be arranged with the bearing that is fixed on the driven wheel seat 1 on the cylinder 31 of rotating shaft; Bearing comprises angular contact ball bearing 42 and the tapered roller bearing 41 that is sheathed on the cylinder 31 and distributes successively from top to bottom; All captive joint with driven wheel seat 1 with the outer ring of angular contact ball bearing 42 in the outer ring of tapered roller bearing 41; Double-screw bolt 32 is arranged with gland 43, and is rotary with nut 44 and the jam nut 45 that is positioned at gland 43 tops on the double-screw bolt 32.
Be provided with the disk spring 5 that is sheathed on the cylinder 31 between tapered roller bearing 41 and the boss 33.
At first, flower wheel 4 is connected on the driven wheel carrier 2 by hinge 22, and disk spring 5 is inserted in the rotating shaft 31, and the lower support of disk spring 5 is on the boss in the rotating shaft 31 33 at this moment; Again tapered roller bearing 41 is inserted in rotating shaft, this moment, the inner ring of tapered roller bearing 41 was supported on the disk spring 5; Then rotating shaft is inserted on the driven wheel seat 1, at this moment, the outer ring of tapered roller bearing 41 withstands on the inward flange of driven wheel seat 1, and the double-screw bolt 32 of cylinder 31 upper ends stretches out the upper surface of driven wheel seat 1; And then angular contact ball bearing 42 is inserted between rotating shaft and the driven wheel seat 1, at this moment, the outer ring of angular contact ball bearing 42 withstands on the inward flange of driven wheel seat 1; Then gland 43 is inserted on the screw rod 32 that stretches out driven wheel seat upper surface, this moment, gland 43 withstood on the inner ring of angular contact ball bearing 42, and is last, nut 44 and jam nut 45 is installed in successively the end of screw rod 32.
Like this, when the drive wheel of finding car load in the back and flower wheel 21 are installed not at same horizontal surface, screw or loosen the setting height(from bottom) of nut 44, thereby make drive wheel and flower wheel be arranged on same horizontal surface with regard to scalable flower wheel 21; The disk spring 5 that elasticity requires is satisfied in selection, when drive wheel runs into pit or flower wheel and runs into projection, the power that acts on the flower wheel makes disk spring 5 further compress, make the relative flower wheel of drive wheel descend, thereby guarantee that drive wheel has enough tractions, guarantee the car load trouble-free operation.
Claims (5)
1. flower wheel mechanism that is applied to transport trolley or forklift, comprise the driven wheel seat (1) that is fixed on the car body, be rotatably connected on the driven wheel carrier (2) on the driven wheel seat (1) and be articulated in flower wheel (21) on the driven wheel carrier (2), driven wheel carrier (2) upper end is fixedly connected with rotating shaft, the rotating shaft upper and lower sleeve is provided with the bearing that is fixed on the driven wheel seat (1), it is characterized in that: be provided with elastic element between bearing and driven wheel carrier (2) upper end.
2. a kind of flower wheel mechanism that is applied to transport trolley or forklift according to claim 1 is characterized in that: described bearing comprises angular contact ball bearing (42) and the tapered roller bearing (41) that is sheathed in the rotating shaft and distributes successively from top to bottom; Also be arranged with the gland (43) that is positioned at angular contact ball bearing (42) top in the rotating shaft; Elastic element is positioned between tapered roller bearing (41) lower surface and driven wheel carrier (2) upper surface; The outer ring of the outer ring of tapered roller bearing (41) and angular contact ball bearing (42) all with driven wheel seat (1) rigid fit; Rotating shaft top is provided with screw thread, is rotary with the nut (44) that is positioned at gland (43) top in the rotating shaft.
3. a kind of flower wheel mechanism that is applied to transport trolley or forklift according to claim 1 is characterized in that: described elastic element is the disk spring (5) that is sheathed in the rotating shaft.
4. a kind of flower wheel mechanism that is applied to transport trolley or forklift according to claim 2 is characterized in that: the jam nut (45) that also is rotary with clamp nut (44) in the described rotating shaft.
5. a kind of flower wheel mechanism that is applied to transport trolley or forklift according to claim 2 is characterized in that: described rotating shaft is by being sheathed on the cylinder (31) in the bearing and forming with cylinder (31) upper end one bonded assembly double-screw bolt (32); The diameter of double-screw bolt (32) is less than the diameter of cylinder (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205558276U CN201849278U (en) | 2010-10-11 | 2010-10-11 | Driven wheel mechanism applied to carriers or stackers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205558276U CN201849278U (en) | 2010-10-11 | 2010-10-11 | Driven wheel mechanism applied to carriers or stackers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201849278U true CN201849278U (en) | 2011-06-01 |
Family
ID=44091689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205558276U Expired - Fee Related CN201849278U (en) | 2010-10-11 | 2010-10-11 | Driven wheel mechanism applied to carriers or stackers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201849278U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102826139A (en) * | 2012-09-26 | 2012-12-19 | 浙江诺力机械股份有限公司 | Floating device of industrial vehicle |
| CN109455489A (en) * | 2018-12-28 | 2019-03-12 | 芜湖金三氏数控科技有限公司 | A kind of equipment is movably walking device |
-
2010
- 2010-10-11 CN CN2010205558276U patent/CN201849278U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102826139A (en) * | 2012-09-26 | 2012-12-19 | 浙江诺力机械股份有限公司 | Floating device of industrial vehicle |
| CN102826139B (en) * | 2012-09-26 | 2015-04-15 | 浙江诺力机械股份有限公司 | Floating device of industrial vehicle |
| CN109455489A (en) * | 2018-12-28 | 2019-03-12 | 芜湖金三氏数控科技有限公司 | A kind of equipment is movably walking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 313100 Changxing County, Huzhou, Taihu street, long State Road, No. 528, No. Patentee after: Connaught machinery Limited by Share Ltd Address before: 313100, No. 258, No. 1, Changxing County Economic Development Zone, Zhejiang, Huzhou Patentee before: Zhejiang Nuoli Machinery Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 313100 No. 528 Changzhou Road, Changxing County Taihu street, Huzhou, Zhejiang. Patentee after: Nuo intelligent equipment Limited by Share Ltd Address before: 313100 No. 528 Changzhou Road, Changxing County Taihu street, Huzhou, Zhejiang. Patentee before: Connaught machinery Limited by Share Ltd |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110601 Termination date: 20191011 |