CN203637968U - Support wheel and engineering machine - Google Patents
Support wheel and engineering machine Download PDFInfo
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- CN203637968U CN203637968U CN201320681064.3U CN201320681064U CN203637968U CN 203637968 U CN203637968 U CN 203637968U CN 201320681064 U CN201320681064 U CN 201320681064U CN 203637968 U CN203637968 U CN 203637968U
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- wheel
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- end cap
- cover
- dust
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Abstract
The utility model discloses a support wheel and an engineering machine. The support wheel comprises a wheel body, an end cover as well as a first dustproof cover, wherein a floating oil seal is arranged between the wheel body and the end cover; a rotating gap is formed between the wheel body and the end cover; a first annular groove is formed in the periphery of the end cover; one end of the first dustproof cover is arranged inside the first annular groove; the top surface of the other end exceeds an annular surface where a first inner wall of the wheel body is located; the first inner well is an inner wall of the wheel body, corresponding to the rotating gap; another rotating gap is arranged between the first dustproof cover and the wheel body. Compared with the prior art, the channel of the rotation gap of the support wheel is long and twisted, impurities such as sand are difficult to reach the floating oil seal through the rotating gaps, so that the function of protecting the floating oil seal is achieved, the corrosion to the floating oil seal is alleviated, the probability of oil leakage accident is reduced, and the service life of the support wheel is prolonged.
Description
Technical field
The utility model relates to caterpillar wheel field, particularly a kind of caterpillar wheel and construction machinery and equipment.
Background technology
The construction machinery and equipments such as traxcavator, hoisting crane, bulldozer are all provided with caterpillar wheel conventionally.On the chassis of caterpillar wheel make-up machinery, caterpillar wheel is the vitals of engineering machinery chassis part, and its Main Function is the complete machine weight of propping works machinery, drives crawler belt along with wheel advances.Caterpillar wheel is as the main load assembly of construction machinery and equipment, and especially, in large-tonnage crawler belt machinery, its performance has material impact to the safety performance of complete machine.
At present, the mechanism of conventional caterpillar wheel as shown in Figure 1, specifically comprise wheel body 1a, wheel shaft 6a, lining 7a, float grease seal 3a and end cap 2a, lining 7a is sheathed on the periphery of wheel shaft 6a, wheel body 1a is along the periphery that circumferentially covers at wheel shaft 6a and lining 7a of wheel shaft 6a, end cap 2a is arranged at the end, two ends of wheel shaft 6a, and what wheel body 1a and end cap 2a cooperatively interacted is provided with seal groove, and float grease seal 3a is arranged in seal groove.For not hindering relatively rotating of wheel body 1a and end cap 2a, between wheel body 1a and end cap 2a, design certain running clearance.Because the construction machinery and equipment working environments such as excavating machine are poor, be used for the more place of earth, earth enters in the space in the float grease seal 3a external world by the wheel body 1a of caterpillar wheel and the running clearance of end cap 2a, cause the O type circle of float grease seal 3a to be stuck, can not carry out actv. elastic deformation, float grease seal easily weares and teares, and then causes oil leakage fault, reduces caterpillar wheel service life.
Utility model content
In view of this, the utility model proposes caterpillar wheel and the construction machinery and equipment that a kind of silt is difficult for entering float grease seal.
For achieving the above object, the technical solution of the utility model is achieved in that
On the one hand, the utility model provides a kind of caterpillar wheel, comprises wheel body and end cap, between described wheel body and end cap, is provided with float grease seal, and is provided with running clearance between described wheel body and end cap, and described end cap periphery is provided with first ring connected in star; Described caterpillar wheel also comprises: the first cover of dust, and its one end is arranged in described first ring connected in star, and the end face of the other end exceedes the first inwall place circular face of described wheel body; Described the first inwall is and the corresponding wheel body inwall of described running clearance; Between described the first cover of dust and described wheel body, be provided with running clearance.
Further, described the first cover of dust comprises connected transverse slat and riser, and described riser is arranged in described first ring connected in star, and described transverse slat is arranged at the periphery of described wheel body.
Further, described wheel body is provided with the second annular groove, and described transverse slat is arranged at the periphery of described the second annular groove.
Further, described the first cover of dust and described end cap removably connect.
Further, described the first cover of dust is connected with described end cap by some bolts, and described some bolts circumferentially evenly arranging along end cap.
Further, above-mentioned caterpillar wheel also comprises the wheel shaft being arranged in described wheel body, and the two ends of described wheel shaft are compressed and contact with described end cap by seal ring.
With respect to prior art, the periphery of the end cap of the caterpillar wheel that the utility model provides is provided with first ring connected in star, and has additional the first cover of dust.First ring connected in star is for providing the installation site of the first cover of dust, the end face of the first cover of dust exceedes the first inwall place circular face of wheel body, between the first cover of dust and wheel body, be provided with running clearance, extend thus the length of the running clearance passage of caterpillar wheel, increase the tortuosity of this passage, do not affect relatively rotating between wheel body and the first cover of dust simultaneously.When caterpillar wheel work, the impurity such as extraneous sandy soil need first by just entering the gap between wheel body and end cap behind the gap between wheel body and the first cover of dust; And the increase of running clearance path tortuosity causes the easy clamping stagnation of sandy soil in gap in a certain region, produce the effect of jam.Thus; be difficult to arrive float grease seal by the gap between wheel body, end cap and the first cover of dust from impurity such as extraneous sandy soil, float grease seal is played a protective role, reduce the wearing and tearing of float grease seal; also reduce the probability that oil accident occurs, extended the service life of caterpillar wheel.
On the other hand, the utility model also provides another kind of caterpillar wheel, comprises wheel body and end cap, between described wheel body and end cap, is provided with float grease seal, and is provided with running clearance between described wheel body and end cap, and described end cap periphery is provided with first ring connected in star; Described caterpillar wheel also comprises: the second cover of dust, the end face of its one end and described wheel body removably connects, the other end extends in described first ring connected in star, and with the running clearance that is provided with of described first ring connected in star.
Further, described the second cover of dust is installed on the end face of described wheel body by some bolts, and described some bolts circumferentially evenly arrange along wheel body.
Further, above-mentioned caterpillar wheel also comprises the wheel shaft being arranged in described wheel body, and the two ends of described wheel shaft are compressed and contact with described end cap by seal ring.
With respect to prior art, the periphery of the end cap of the caterpillar wheel that the utility model provides is provided with first ring connected in star, and has additional the second cover of dust.One end of the second cover of dust is installed on wheel body, the other end extends in first ring connected in star, between the second cover of dust and first ring connected in star, be provided with running clearance, extend thus the length of the running clearance passage of caterpillar wheel, increase the tortuosity of this passage, do not affect relatively rotating between end cap and the second cover of dust simultaneously.When caterpillar wheel work, the impurity such as extraneous sandy soil need first by just entering the gap between wheel body and end cap behind the gap between end cap and the second cover of dust; And the increase of running clearance path tortuosity causes the easy clamping stagnation of sandy soil in gap in a certain region, produce the effect of jam.Thus; be difficult to arrive float grease seal by the gap between wheel body, end cap and the second cover of dust from impurity such as extraneous sandy soil, float grease seal is played a protective role, reduce the wearing and tearing of float grease seal; also reduce the probability that oil accident occurs, extended the service life of caterpillar wheel.
Finally, the utility model also provides a kind of construction machinery and equipment, is provided with the caterpillar wheel described in above-mentioned any one.
Because above-mentioned any caterpillar wheel has above-mentioned technique effect, therefore, it is low that the construction machinery and equipment that is provided with this caterpillar wheel also should possess oil accident rate, the feature of long service life.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of caterpillar wheel in correlation technique;
The structural representation of the caterpillar wheel that Fig. 2 provides for the utility model embodiment mono-;
Fig. 3 is the partial enlarged drawing at A place in Fig. 2;
The structural representation of the caterpillar wheel that Fig. 4 provides for another preferred embodiment of the utility model;
Fig. 5 is the partial enlarged drawing at B place in Fig. 4;
Fig. 6 is the schematic side view of Fig. 4;
The structural representation of the caterpillar wheel that Fig. 7 provides for the utility model embodiment bis-;
Fig. 8 is the partial enlarged drawing at C place in Fig. 7.
Description of reference numerals:
1a wheel body 2a end cap
3a float grease seal 6a wheel shaft
7a lining
1 wheel body 101 first inwalls
102 second annular groove 2 end caps
201 first ring connected in star 3 float grease seals
41 first cover of dust 411 transverse slats
412 riser 42 second cover of dusts
5 bolt 6 wheel shafts
7 lining 8 seal rings
The specific embodiment
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the utility model can combine mutually.Below in conjunction with accompanying drawing, each preferred embodiment of the present utility model is described further.Hereinafter described running clearance be in relative rotation reserved between two parts, for guaranteeing to rotate the certain interval that friction does not occur between rear amount parts.
Refer to Fig. 2 and Fig. 3, the utility model embodiment mono-provides a kind of caterpillar wheel, comprises wheel body 1 and end cap 2, between wheel body 1 and end cap 2, be provided with float grease seal 3, and between wheel body 1 and end cap 2, be provided with running clearance, in addition, end cap 2 peripheries are provided with first ring connected in star 201;
This caterpillar wheel also comprises:
The first cover of dust 41, its one end is arranged in first ring connected in star 201, and the end face of the other end exceedes the first inwall 101 place circular face of wheel body 1, and the first inwall 101 is and rotates corresponding wheel body 1 inwall in space;
Between the first cover of dust 41 and wheel body, be provided with running clearance.
The caterpillar wheel that the present embodiment provides includes wheel body 1, end cap 2, float grease seal 3 and the first cover of dust 41.Wherein, wheel body 1 plays a protective role to its INT COMP.End cap 2 is arranged at the two ends of wheel body 1, and the float grease seal 3 arranging between wheel body 1 and end cap 2 enters the normal work of wheel body 1 internal influence INT COMP for preventing introduced contaminants.Particularly, wheel body 1 and end cap 2 are provided with the seal groove matching, and float grease seal 3 is installed in sealing groove.The running clearance arranging between wheel body 1 and end cap 2 is used for guaranteeing that wheel body 1 and end cap 2 can relatively rotate.
Unlike the prior art, the periphery of end cap 2 is provided with annular groove 201, and the effect that this annular groove 201 is set is: the installation site that the first cover of dust 41 is provided.And the effect that the first cover of dust 41 is set is: extend the length of the running clearance passage between wheel body 1 and end cap 2, and increase the tortuosity of this passage.In order to guarantee above-mentioned effect, first, the end face that the first cover of dust 41 need to be set exceedes the first inwall 101 place circular face of wheel body 1; Secondly, between the first cover of dust 41 and wheel body 1, also should be provided with running clearance, and then not affect the rotation between the first cover of dust 41 and wheel body 1 after guaranteeing to arrange the first cover of dust 41.Refer to Fig. 3, in Fig. 3, arrow points is the direction that extraneous sandy soil enter float grease seal 3.The impurity such as extraneous sandy soil need first by just entering the gap between wheel body 1 and end cap 2 behind the gap between wheel body 1 and the first cover of dust 41; And, because the increase of running clearance path tortuosity causes the easy clamping stagnation of sandy soil in gap in a certain region, produce the effect of jam.Thus; be difficult to arrive float grease seal 3 by the gap between wheel body 1, end cap 2 and the first cover of dust 41 from impurity such as extraneous sandy soil, float grease seal 3 is played a protective role, reduce the wearing and tearing of float grease seal 3; also reduce the probability that oil accident occurs, extended the service life of caterpillar wheel.
It will be understood by those skilled in the art that, the width of the first ring connected in star 201 of end cap 2 should be greater than the thickness of the first cover of dust 41, because the end cap 2 described in the utility model that need to likely cause of first ring connected in star 201 width is longer than existing end cap, the seal groove being arranged at thus on end cap 2 also moves (with respect to prior art) to the direction of the vertically middle mind-set of close caterpillar wheel accordingly, because the seal groove on wheel body 1 is need to be with the seal groove on end cap 2 to coordinating, therefore the seal groove on wheel body 1 also needs to move to the direction near the vertical line of centers of caterpillar wheel accordingly.The setting position of float grease seal 3 is also with respect to the vertical line of centers of the more close caterpillar wheel of technology.
Can form difform running clearance path by the first cover of dust 41 that adopts different structure.In running clearance path, bending part is more, and the impurity such as sandy soil more easily form jam.Accordingly, the present embodiment adopts the first cover of dust 41 of L shaped shape as shown in Figures 2 and 3, and particularly, this first cover of dust comprises connected transverse slat 411 and riser 412, and riser 412 is arranged in first ring connected in star 201, and transverse slat 411 is arranged at the periphery of wheel body 1.Certainly, now between transverse slat 411 and wheel body 1, and between riser 411 and wheel body 1, be provided with running clearance.Adopt the first cover of dust 41 of this kind of form can make the running clearance passage between wheel body 1, end cap 2 and the first cover of dust 41 contain more bending part, the silt that enters running clearance passage is more easily stopped up, and then optimize the blocking effect to silt.
In addition, by wheel body 1 structure is improved and be can further improve the effect that stops silt.Refer to Fig. 4 and Fig. 5, the figure shows the structure of the caterpillar wheel that another embodiment of the utility model provides, the difference of itself and embodiment mono-is: the transverse slat 411 that wheel body 1 is provided with the second annular groove 102, the first cover of dusts 41 is arranged at the periphery of the second annular groove 102.Certainly now transverse slat 411 and the second annular groove 102 are provided with running clearance.From Figure 4 and 5, with respect to embodiment mono-, the running clearance passage of the caterpillar wheel that the present embodiment provides contains more bending part, further improves thus into impurity the probability stopping up occurs, and optimizes the blocking effect to silt.
In the caterpillar wheel that above-described embodiment provides, end cap 2 and the first cover of dust 41 can be demountable structure, also can be structure as a whole.For the ease of clearing up the impurity between the first cover of dust 41 and wheel body 1, the first cover of dust 41 is preferably set and can 2 dismountings be connected with end cap.Particularly, refer to Fig. 6, the first cover of dust 41 can be connected with end cap 2 by some bolts 5, and the circumferentially evenly setting (as shown in Figure 6) of bolt 5 along end cap is set.
It should be noted that, the caterpillar wheel that the utility model above-described embodiment provides also includes other member well known to those skilled in the art, as is arranged at the wheel shaft 6 in wheel body 1, and is arranged at lining 7 etc. (Fig. 4) between wheel shaft 6 and wheel body 1.In order to prevent, between wheel shaft 6 and end cap 2, leakage of oil occurs, the two ends of wheel shaft 6 can be compressed and contact with end cap 2 by seal ring 8.
As shown in the above, with respect to prior art, the periphery of the end cap 2 of the caterpillar wheel that the utility model embodiment provides is provided with first ring connected in star 201, and has additional the first cover of dust 41.First ring connected in star 201 is for providing the installation site of the first cover of dust 41, the end face of the first cover of dust 41 exceedes the first inwall 101 place circular face of wheel body 1, between the first cover of dust 41 and wheel body 1, be provided with running clearance, extend thus the length of the running clearance passage of caterpillar wheel, increase the tortuosity of this passage, do not affect relatively rotating between wheel body 1 and the first cover of dust 41 simultaneously.When caterpillar wheel work, the impurity such as extraneous sandy soil need first by just entering the gap between wheel body 1 and end cap 2 behind the gap between wheel body 1 and the first cover of dust 41; And the increase of running clearance path tortuosity causes the easy clamping stagnation of sandy soil in gap in a certain region, produce the effect of jam.Thus; be difficult to arrive float grease seal 3 by the gap between wheel body 1, end cap 2 and the first cover of dust 41 from impurity such as extraneous sandy soil, float grease seal 3 is played a protective role, reduce the wearing and tearing of float grease seal 3; also reduce the probability that oil accident occurs, extended the service life of caterpillar wheel.
Based on foregoing invention design, the utility model embodiment bis-provides another kind of caterpillar wheel, refers to Fig. 7 and Fig. 8.The caterpillar wheel that the present embodiment provides comprises wheel body 1 and end cap 2, between wheel body 1 and end cap 2, is provided with float grease seal 3, and is provided with running clearance between wheel body 1 and end cap 2, and end cap 2 peripheries are provided with first ring connected in star 201;
This caterpillar wheel also comprises:
The second cover of dust 42, the end face of its one end and wheel body 1 removably connects, the other end extends in first ring connected in star 201, and with the running clearance that is provided with of first ring connected in star 201.
The caterpillar wheel that the present embodiment provides and embodiment mono-difference are: the cover of dust of the length for increasing running clearance passage and tortuosity is arranged to wheel body 1.Refer to Fig. 8, in Fig. 8, arrow points is the direction that extraneous sandy soil enter float grease seal 3.The impurity such as extraneous sandy soil need first by just entering the gap between wheel body 1 and end cap 2 behind the gap between end cap 2 and the second cover of dust 42, and because the increase of gap path tortuosity causes the easy clamping stagnation of sandy soil in gap in a certain region, form the effect of jam.Thus; be difficult to arrive float grease seal 3 by the running clearance between wheel body 1, end cap 2 and the second cover of dust 42 from impurity such as extraneous sandy soil, float grease seal 3 is played a protective role, reduce the wearing and tearing of float grease seal 3; also reduce the probability that oil accident occurs, extended the service life of caterpillar wheel.
For end cap 2 can be fit in wheel body 1 smoothly, the second cover of dust 42 needs detouchable to be connected to the end face of wheel body 1.Particularly, the second cover of dust 41 can be connected with end cap 2 by some bolts, and bolt circumferentially evenly arranging along wheel body 1 is set.
It should be noted that equally, the caterpillar wheel that this embodiment provides also includes other member well known to those skilled in the art, as is arranged at the wheel shaft 6 in wheel body 1, and is arranged at lining 7 etc. (Fig. 7) between wheel shaft 6 and wheel body 1.In order to prevent, between wheel shaft 6 and end cap 2, leakage of oil occurs, the two ends of wheel shaft 6 can be compressed and contact with end cap 2 by seal ring 8.
The caterpillar wheel that the utility model above-described embodiment provides can be single rim bearing wheel or bilateral caterpillar wheel.According to the prepackage machinery of this caterpillar wheel, wheel surface can arrange the coating of different colours, and as excavating machine is generally black by caterpillar wheel coating, bulldozer is generally yellow with caterpillar wheel.
As shown in the above, with respect to prior art, the periphery of the end cap 2 of the caterpillar wheel that the utility model embodiment bis-provides is provided with first ring connected in star 201, and has additional the second cover of dust 42.One end of the second cover of dust 42 is installed on wheel body 1, the other end extends in first ring connected in star 201, between the second cover of dust 42 and first ring connected in star 201, be provided with running clearance, extend thus the length of the running clearance passage of caterpillar wheel, increase the tortuosity of this passage, do not affect relatively rotating between end cap 2 and the second cover of dust 42 simultaneously.When caterpillar wheel work, the impurity such as extraneous sandy soil need first by just entering the gap between wheel body 1 and end cap 2 behind the gap between end cap 2 and the second cover of dust 42; And the increase of running clearance path tortuosity causes the easy clamping stagnation of sandy soil in gap in a certain region, produce the effect of jam.Thus; be difficult to arrive float grease seal 3 by the gap between wheel body 1, end cap 2 and the second cover of dust 42 from impurity such as extraneous sandy soil, float grease seal 3 is played a protective role, reduce the wearing and tearing of float grease seal 3; also reduce the probability that oil accident occurs, extended the service life of caterpillar wheel.
The utility model embodiment tri-also provides a kind of construction machinery and equipment, for example excavating machine, hoisting crane and bulldozer.This project machinery is provided with above-mentioned any caterpillar wheel, and because above-mentioned any caterpillar wheel has above-mentioned technique effect, therefore, the construction machinery and equipment that is provided with this caterpillar wheel also should possess corresponding technique effect, and its specific implementation process is similar to the above embodiments, does not hereby repeat.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a caterpillar wheel, comprises wheel body (1) and end cap (2), between described wheel body (1) and end cap (2), is provided with float grease seal (3), and is provided with running clearance between described wheel body (1) and end cap (2), it is characterized in that,
Described end cap (2) periphery is provided with first ring connected in star (201);
Described caterpillar wheel also comprises:
The first cover of dust (41), its one end is arranged in described first ring connected in star (201), and the end face of the other end exceedes the first inwall (101) place circular face of described wheel body (1);
Described the first inwall (101) is and the corresponding wheel body of described running clearance (1) inwall;
Between described the first cover of dust (41) and described wheel body (1), be provided with running clearance.
2. caterpillar wheel according to claim 1, it is characterized in that, described the first cover of dust (41) comprises connected transverse slat (411) and riser (412), described riser (412) is arranged in described first ring connected in star (201), and described transverse slat (411) is arranged at the periphery of described wheel body (1).
3. caterpillar wheel according to claim 2, is characterized in that, described wheel body (1) is provided with the second annular groove (102), and described transverse slat (411) is arranged at the periphery of described the second annular groove (102).
4. caterpillar wheel according to claim 1, is characterized in that, described the first cover of dust (41) removably connects with described end cap (2).
5. caterpillar wheel according to claim 4, is characterized in that, described the first cover of dust (41) is connected with described end cap (2) by some bolts (5), and described some bolts (5) circumferentially evenly arranging along end cap (2).
6. caterpillar wheel according to claim 1, is characterized in that, also comprises the wheel shaft (6) being arranged in described wheel body (1), and the two ends of described wheel shaft (6) are compressed and contact with described end cap (2) by seal ring (8).
7. a caterpillar wheel, comprise wheel body (1) and end cap (2), between described wheel body (1) and end cap (2), be provided with float grease seal (3), and be provided with running clearance between described wheel body (1) and end cap (2), it is characterized in that, described end cap (2) periphery is provided with first ring connected in star (201);
Described caterpillar wheel also comprises:
The second cover of dust (42), the end face of its one end and described wheel body (1) removably connects, the other end extends in described first ring connected in star (201), and with the running clearance that is provided with of described first ring connected in star (201).
8. caterpillar wheel according to claim 7, is characterized in that, described the second cover of dust (42) is installed on the end face of described wheel body (1) by some bolts, and described some bolts circumferentially evenly arrange along wheel body (1).
9. caterpillar wheel according to claim 7, is characterized in that, also comprises the wheel shaft (6) being arranged in described wheel body (1), and the two ends of described wheel shaft (6) are compressed and contact with described end cap (2) by seal ring (8).
10. a construction machinery and equipment, is characterized in that, is provided with the caterpillar wheel described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320681064.3U CN203637968U (en) | 2013-10-31 | 2013-10-31 | Support wheel and engineering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320681064.3U CN203637968U (en) | 2013-10-31 | 2013-10-31 | Support wheel and engineering machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203637968U true CN203637968U (en) | 2014-06-11 |
Family
ID=50869236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320681064.3U Expired - Fee Related CN203637968U (en) | 2013-10-31 | 2013-10-31 | Support wheel and engineering machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203637968U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106884863A (en) * | 2014-10-17 | 2017-06-23 | 柳州柳工挖掘机有限公司 | Hinging mechanism for working device |
| CN107878586A (en) * | 2017-11-13 | 2018-04-06 | 昆山土山***件有限公司 | One kind support sprocket wheel |
| CN107901998A (en) * | 2017-11-13 | 2018-04-13 | 昆山土山***件有限公司 | A kind of wheel body of support sprocket wheel and the connection structure of wheel shaft |
| CN108001551A (en) * | 2017-11-13 | 2018-05-08 | 昆山土山***件有限公司 | A kind of Wheel structure for holding in the palm sprocket wheel |
| US11235822B2 (en) | 2016-06-20 | 2022-02-01 | Komatsu Ltd. | Track roller for tracked vehicle |
| WO2022222952A1 (en) * | 2021-04-21 | 2022-10-27 | 三一重机有限公司 | Thrust wheel shaft, thrust wheel and operation machine |
| CN115285242A (en) * | 2022-08-29 | 2022-11-04 | 三一重机有限公司 | Crawler wheel, crawler travel device, and work machine |
-
2013
- 2013-10-31 CN CN201320681064.3U patent/CN203637968U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106884863A (en) * | 2014-10-17 | 2017-06-23 | 柳州柳工挖掘机有限公司 | Hinging mechanism for working device |
| US11235822B2 (en) | 2016-06-20 | 2022-02-01 | Komatsu Ltd. | Track roller for tracked vehicle |
| CN107878586A (en) * | 2017-11-13 | 2018-04-06 | 昆山土山***件有限公司 | One kind support sprocket wheel |
| CN107901998A (en) * | 2017-11-13 | 2018-04-13 | 昆山土山***件有限公司 | A kind of wheel body of support sprocket wheel and the connection structure of wheel shaft |
| CN108001551A (en) * | 2017-11-13 | 2018-05-08 | 昆山土山***件有限公司 | A kind of Wheel structure for holding in the palm sprocket wheel |
| WO2022222952A1 (en) * | 2021-04-21 | 2022-10-27 | 三一重机有限公司 | Thrust wheel shaft, thrust wheel and operation machine |
| CN115285242A (en) * | 2022-08-29 | 2022-11-04 | 三一重机有限公司 | Crawler wheel, crawler travel device, and work machine |
| CN115285242B (en) * | 2022-08-29 | 2023-08-22 | 三一重机有限公司 | Crawler wheel, crawler travel device and working machine |
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