CN203113202U - Supporting device of road roller vibration wheel and road roller with same - Google Patents
Supporting device of road roller vibration wheel and road roller with same Download PDFInfo
- Publication number
- CN203113202U CN203113202U CN 201320097436 CN201320097436U CN203113202U CN 203113202 U CN203113202 U CN 203113202U CN 201320097436 CN201320097436 CN 201320097436 CN 201320097436 U CN201320097436 U CN 201320097436U CN 203113202 U CN203113202 U CN 203113202U
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- China
- Prior art keywords
- road roller
- bearing
- vibration wheel
- row rolling
- bearing support
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 210000004907 gland Anatomy 0.000 claims abstract description 29
- 238000005096 rolling process Methods 0.000 claims abstract description 27
- 239000004519 grease Substances 0.000 claims description 15
- 230000000994 depressogenic effect Effects 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 8
- 238000007667 floating Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to a supporting arrangement of road roller vibration wheel and have its road roller. The supporting structure comprises a supporting seat and a bearing seat, wherein the bearing seat is sleeved on the supporting seat through a single-row rolling bearing; a floating oil seal is arranged between the bearing seat and the bearing seat on the first side of the single-row rolling bearing; the outer surface of the supporting seat is provided with a groove, and the check ring is embedded into the groove and positions the inner ring at the second side of the single-row rolling bearing; and a gland is arranged on the bearing seat and provided with a protruding part, and the outer surface of the protruding part is matched with the inner hole of the bearing seat and used for positioning the outer ring of the second side of the single-row rolling bearing. According to the scheme, the single-row rolling bearing with smaller axial dimension is adopted, and the structure and the matching relation of the supporting device of the road roller vibration wheel are correspondingly adjusted, so that the supporting structure is smaller in axial dimension, simple in structure, improved in reliability and lower in cost.
Description
Technical field
The utility model relates to engineering machinery field, relates in particular to the road roller of engineering machinery and the supporting arrangement of vibration wheel of road roller.
Background technology
In road roller, the supporting arrangement of vibrating wheels is connecting the vehicle frame of road roller and vibrating wheels and is supporting vehicle frame, makes vibrating wheels realize walking around the central axis of supporting arrangement, and eccentric shaft rotate centered by supporting arrangement and realizes vibrating simultaneously.The design quality of vibrating wheels supporting arrangement has very important influence to the performance of road roller, and irrational mix gently then causes the vibrating wheels leakage of oil easily, and heavy then rubber damping piece, vibrating motor that cause being attached thereto damage.These all are quality problems very serious and that be difficult to remedy.
At present, in order to avoid the generation of the problems referred to above as far as possible, the prior art field all is relatively to guard to the design of this part-structure, not too dare to use new structure.Fig. 1 shows the schematic diagram of the supporting arrangement of vibration wheel of road roller in the prior art, wherein have the supporting base 1 that connects round platform 2, with have the splicing sleeve 6 that is connected round platform 5, double-row conical bearing 4 is equipped with in its axial plane contact position, splicing sleeve 6 is equipped with floating seal ring 3 with the mutual rotary part that is connected round platform 2, gland 10 is being fixed by screw 11 in supporting base 1 the inner, and splicing sleeve 6 is being fixed end cap 8 by screw 12, between end cap 8 and the gland 10 float grease seal 7 is arranged.In the above-mentioned supporting arrangement, owing to adopted the bigger double-row conical bearing of axial dimension, cause the axial dimension of whole device bigger, complex structure, the assembled condition difficulty, cost is higher; In addition, owing to adopted two floating seals in this device, further improved cost.Therefore, be necessary to improve at the above-mentioned defective that exists in the prior art.
The utility model content
Main purpose of the present utility model provides a kind of supporting arrangement of vibration wheel of road roller and has its road roller, and the supporting arrangement of described vibration wheel of road roller has improved structure, and it is simple in structure, and cost is lower.
To achieve these goals, according to first aspect of the present utility model, provide a kind of supporting arrangement of vibration wheel of road roller, comprised supporting base and bearing support, the aforementioned axis bearing is sheathed on the aforementioned supporting base by single-row rolling bearing; Between the aforementioned supporting base of first side of aforementioned single-row rolling bearing and bearing support, be provided with float grease seal; The external surface of aforementioned supporting base is provided with groove, and back-up ring embeds in the aforementioned grooves and locatees the inner ring of second side of aforementioned single-row rolling bearing; On the aforementioned axis bearing gland is installed, aforementioned gland has protuberance, and the endoporus of the external surface of aforementioned protuberance and aforementioned axis bearing matches and merges the outer ring of second side of locating aforementioned single-row rolling bearing.
Further, the fitting face between aforementioned protuberance and the aforementioned axis bearing is provided with sealing ring.
Further, aforementioned gland is installed on the end face of aforementioned axis bearing.
Further, first side in aforementioned single-row rolling bearing on the external surface of aforementioned supporting base is formed with first step portion, the endoporus of aforementioned axis bearing is formed with second step portion in first side of aforementioned single-row rolling bearing, and aforementioned first step portion and aforementioned second step portion locate inner ring and the outer ring of first side of aforementioned single-row rolling bearing respectively.
Further, have depressed part on the end face of aforementioned axis bearing, aforementioned gland is fixed in the aforementioned depressed part by detachable connecting device.
Further, aforementioned depressed part and aforementioned gland are annular and both radial dimensions match.
Further, the aforementioned axis bearing is provided with the baffle ring that assist location is provided for aforementioned float grease seal, and aforementioned baffle ring is arranged on the side away from aforementioned single-row rolling bearing of aforementioned float grease seal.
Further, aforementioned baffle ring is fixed on the aforementioned axis bearing by detachable connecting device.
Further, aforementioned single-row rolling bearing is single-groove grooved ball bearing, single-row self-aligning ball bearing or single-row self-aligning roller bearing.According to second aspect of the present utility model, a kind of road roller is provided, aforementioned road roller comprises the supporting arrangement according to aforementioned first each aforesaid vibration wheel of road roller of aspect.
Technical scheme according to present embodiment, owing to adopted the less single-row rolling bearing of axial dimension, and structure and the matching relationship of the supporting arrangement of vibration wheel of road roller have correspondingly been adjusted, compare with aforementioned prior art constructions, the axial dimension of supporting construction of the present utility model is less, and is simple in structure, and adopted part still less, have incipient fault point still less, so the reliability of this device increases, cost is also lower.
Description of drawings
Figure of description is used to provide further understanding of the present utility model, constitutes a part of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not constitute improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the supporting arrangement of vibration wheel of road roller in the prior art;
Fig. 2 is the structural representation of supporting arrangement of the vibration wheel of road roller of the utility model embodiment.
The specific embodiment
Need to prove that under the situation that does not clearly limit or do not conflict, the feature among each embodiment of the present utility model can make up mutually.Describe the utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
In order to overcome the defective of the supporting arrangement of vibration wheel of road roller in the prior art, the utility model provides a kind of supporting arrangement of improved vibration wheel of road roller and has had its road roller, engineering machinery, described supporting arrangement simple in structure, and cost is lower.
Fig. 2 is the structural representation of supporting arrangement of the vibration wheel of road roller of the utility model embodiment.As shown in Figure 2, the supporting construction of the vibration wheel of road roller of this embodiment comprises single-groove grooved ball bearing 30, supporting base 10 and bearing support 40, bearing support 40 is sheathed on the supporting base 10 by single-groove grooved ball bearing 30, the three cooperatively interacts, the vehicle frame that is used for the supporting road roller is with the walking of realization road roller and the vibration of vibrating wheels.
Single-groove grooved ball bearing 30 is a kind of simple in structure, commonplace, widely used rolling bearings of production, and it comprises inner ring, outer ring, one group of single-row steel ball and one group of retainer.The inventor finds through long-term practice, single-groove grooved ball bearing 30 mainly bears radial load, also can bear radial load and axial load simultaneously, comparison operators closes the loading characteristic of the bearing in the supporting arrangement of vibration wheel of road roller, therefore can be applicable to the supporting arrangement of vibration wheel of road roller.
With reference to Fig. 2, bearing support 40 is for having the member of endoporus, and single-groove grooved ball bearing 30 is set on the external surface of supporting base 10, and is clamped between the endoporus of the external surface of supporting base 10 and bearing support 40.Be formed with first step portion on the external surface of supporting base 10, be formed with corresponding second step portion on the relevant position of the endoporus of bearing support 40.The left side of the inside and outside circle of single-groove grooved ball bearing 30 is supported first step portion and the location of the second step portion on the bearing support 40 on the seat 10 respectively.
In addition, offer groove at the external surface of supporting base 10, back-up ring 60 is annular element, and it can be embedded in the described groove, and thus, the inner ring on single-groove grooved ball bearing 30 right sides is spacing by back-up ring 60.On the right side of bearing support 40, also be provided with gland 50, have the protuberance 51 that extends to the left on the left-hand face of gland 50.Protuberance 51 is annular protrusion, its cylindrical matches with the endoporus of bearing support 40, make the part of gland 50 embed in the endoporus of bearing supports 40 by protuberance 51, and protuberance 51 length of extending to the left is enough to abut against the right side of single-groove grooved ball bearing 30 outer rings.Thus, the protuberance 51 that is glanded on 50 of the outer ring on single-groove grooved ball bearing 30 right sides is spacing.And gland 50 has also been protected single-groove grooved ball bearing 30, avoids making outside it is exposed to.
Like this, single-groove grooved ball bearing 30 is supported the external surface of seat 10 diametrically and the endoporus of bearing support 40 limits, single-groove grooved ball bearing 30 be supported in the axial direction seat on 10 first step portion and the protuberance 51 on the second step portion on the bearing support 40 and back-up ring 60 and the gland 50 limits, thereby guaranteed that single-groove grooved ball bearing 30 can not take place radially or axial on play.Owing to adopted single-groove grooved ball bearing 30 to replace double-row conical bearing of the prior art, shortened the axial dimension of bearing itself, reduced to be used for bearings mounted axial space between supporting base 10 and the bearing support 40, thereby shortened the axial dimension of whole supporting arrangement.
Gland 50 can be installed on its right end face of bearing support 40.For the ease of gland 50 is installed, on its right end face of bearing support 40, can be provided with depressed part.Described depressed part is ring surface, and this depressed part can hold described gland 50 at least a portion in the axial direction, thereby has further reduced whole device size in the axial direction.Preferably, gland 50 is round member, and the radial dimension of this depressed part matches with the radial dimension of gland 50.Like this, gland 50 more stably can be installed on the bearing support 40.Gland 50 can be arranged in the described depressed part of bearing support 40 by detachable connecting devices such as screw and packing rings, thereby when needing to safeguard or change parts of bearings to be to be convenient to mount and dismount gland 50.
In addition, in order further to improve the sealing between protuberance 51 and the bearing support 40, the fitting face between protuberance 51 and the bearing support 40 is provided with sealing ring 70.Described sealing ring can adopt common O shape circle.
In addition, between the supporting base 10 in single-groove grooved ball bearing 30 left sides and bearing support 40, be formed with the oil sealing installing space, in this oil sealing installing space, be provided with float grease seal 20.Float grease seal 20 can play the effect of rotary oil seal between supporting base 10 and the bearing support 40 during relative rotation, prevents from spilling vibrating wheels for the lubrication oil of lubricated single-groove grooved ball bearing 30, and prevents that outside dust from entering vibrating wheels inside.
As shown in Figure 2, for the position that prevents float grease seal 20 especially axial location is offset, can also baffle ring 80 be installed at the left end of bearing support 40.Particularly, baffle ring 80 can be arranged on the side away from bearing support 40 of float grease seal 20, with prevent float grease seal 20 to the left play from described oil sealing installing space, deviate from.Baffle ring 80 can adopt screw to be installed on the bearing support 40, so that dismounting and installation, thereby except float grease seal 20 is carried out the assist location, can also change or adjust float grease seal 20 easily.
Technical scheme according to present embodiment, the utility model has adopted the less single-groove grooved ball bearing of axial dimension, and structure and the matching relationship of the supporting arrangement of vibration wheel of road roller have correspondingly been adjusted, compare with aforementioned prior art constructions, except adopting different bearings, a gland and a float grease seal have also been saved, because axial dimension is less, simple in structure, and adopted part still less, have incipient fault point still less, so the reliability of this device increases, cost is also lower.
The supporting arrangement of vibration wheel of road roller of the present utility model has been described in the front according to embodiment, but this supporting arrangement is not limited in the parts described in the described embodiment and/or annexation, for example, except adopting single-groove grooved ball bearing, can also adopt single-row rolling bearing commonly used such as single-row self-aligning ball bearing, single-row self-aligning roller bearing; Gland and on protuberance be not limited to structure among the embodiment, merge the outer ring of second side of locating single-row rolling bearing as long as the endoporus of the external surface of the protuberance of gland and bearing support matches, can realize the purpose of the utility model.
The utility model also relates to a kind of road roller, and it comprises the supporting arrangement of the vibration wheel of road roller of aforementioned arbitrary embodiment and modification thereof.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. the supporting arrangement of a vibration wheel of road roller comprises supporting base (10) and bearing support (40), it is characterized in that, described bearing support (40) is sheathed on the described supporting base (10) by single-row rolling bearing; Between the described supporting base (10) of first side of described single-row rolling bearing and bearing support (40), be provided with float grease seal (20); The external surface of described supporting base (10) is provided with groove, and back-up ring (60) embeds in the described groove and locatees the inner ring of second side of described single-row rolling bearing; Gland (50) is installed on the described bearing support (40), and described gland (50) has protuberance (51), and the endoporus of the external surface of described protuberance (51) and described bearing support (40) matches and merges the outer ring of second side of locating described single-row rolling bearing.
2. the supporting arrangement of vibration wheel of road roller according to claim 1 is characterized in that, the fitting face between described protuberance (51) and the described bearing support (40) is provided with sealing ring (70).
3. the supporting arrangement of vibration wheel of road roller according to claim 1 is characterized in that, described gland (50) is installed on the end face of described bearing support (40).
4. the supporting arrangement of vibration wheel of road roller according to claim 1, it is characterized in that, first side in described single-row rolling bearing on the external surface of described supporting base (10) is formed with first step portion, the endoporus of described bearing support (40) is formed with second step portion in first side of described single-row rolling bearing, and described first step portion and described second step portion locate inner ring and the outer ring of first side of described single-row rolling bearing respectively.
5. the supporting arrangement of vibration wheel of road roller according to claim 4 is characterized in that, has depressed part on the end face of described bearing support (40), and described gland (50) is fixed in the described depressed part by detachable connecting device.
6. the supporting arrangement of vibration wheel of road roller according to claim 5 is characterized in that, described depressed part and described gland (50) is annular and both radial dimensions match.
7. the supporting arrangement of vibration wheel of road roller according to claim 1, it is characterized in that, described bearing support (40) is provided with the baffle ring (80) that assist location is provided for described float grease seal (20), and described baffle ring (80) is arranged on the side away from described single-row rolling bearing of described float grease seal (20).
8. the supporting arrangement of vibration wheel of road roller according to claim 7 is characterized in that, described baffle ring (80) is fixed on the described bearing support (40) by detachable connecting device.
9. the supporting arrangement of vibration wheel of road roller according to claim 1 is characterized in that, described single-row rolling bearing is single-groove grooved ball bearing (30), single-row self-aligning ball bearing or single-row self-aligning roller bearing.
10. a road roller is characterized in that, described road roller comprises the supporting arrangement according to each described vibration wheel of road roller in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320097436 CN203113202U (en) | 2013-03-04 | 2013-03-04 | Supporting device of road roller vibration wheel and road roller with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320097436 CN203113202U (en) | 2013-03-04 | 2013-03-04 | Supporting device of road roller vibration wheel and road roller with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203113202U true CN203113202U (en) | 2013-08-07 |
Family
ID=48893565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320097436 Expired - Fee Related CN203113202U (en) | 2013-03-04 | 2013-03-04 | Supporting device of road roller vibration wheel and road roller with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203113202U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830061A (en) * | 2017-11-07 | 2018-03-23 | 深圳市元隆德科技有限公司 | A kind of bearing assembly parts for being easy to handling |
| CN109519483A (en) * | 2018-12-07 | 2019-03-26 | 张家港市格雷斯机械有限公司 | The bearing block of sealing |
-
2013
- 2013-03-04 CN CN 201320097436 patent/CN203113202U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830061A (en) * | 2017-11-07 | 2018-03-23 | 深圳市元隆德科技有限公司 | A kind of bearing assembly parts for being easy to handling |
| CN107830061B (en) * | 2017-11-07 | 2024-06-21 | 深圳市元隆德科技有限公司 | Bearing assembly convenient to assemble and disassemble |
| CN109519483A (en) * | 2018-12-07 | 2019-03-26 | 张家港市格雷斯机械有限公司 | The bearing block of sealing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20200304 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |