CN112158270A - Nylon wheel for engineering or agricultural machinery crawler-type machinery - Google Patents
Nylon wheel for engineering or agricultural machinery crawler-type machinery Download PDFInfo
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- CN112158270A CN112158270A CN202011030742.0A CN202011030742A CN112158270A CN 112158270 A CN112158270 A CN 112158270A CN 202011030742 A CN202011030742 A CN 202011030742A CN 112158270 A CN112158270 A CN 112158270A
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- bearing
- sealing
- groove
- wheel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/08—Endless track units; Parts thereof
- B62D55/14—Arrangement, location, or adaptation of rollers
- B62D55/15—Mounting devices, e.g. bushings, axles, bearings, sealings
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Mechanical Engineering (AREA)
- Sealing Of Bearings (AREA)
Abstract
The invention discloses a nylon wheel used on engineering or agricultural machinery crawler-type machinery, comprising: the bearing assembly is arranged on a rotating shaft of the engineering machinery; the bearing component comprises a bearing wheel body which is formed by injection molding and processing of nylon; the outer side end face of the bearing wheel body is provided with a first flange protruding outwards; the sealing component is sleeved on the rotating shaft and embedded in the bearing component; the sealing assembly comprises a sealing element and an end cover which are embedded in the bearing wheel body, the sealing element and the end cover are oppositely arranged, and the sealing element is a double-layer sealing structure of a framework oil seal. The nylon wheel for the engineering machinery is made of the bearing wheel body made of the nylon material, so that the performance of the nylon wheel is better than that of the existing bearing wheel body made of rubber and metal, the efficiency is higher due to the adoption of a single material, and the sealing performance of the formed whole nylon wheel is also ensured.
Description
Technical Field
The invention relates to the field of running mechanisms on engineering or agricultural machinery crawler-type machinery, in particular to a nylon wheel used on the engineering or agricultural machinery crawler-type machinery.
Background
Construction machines are an important component of the equipment industry. In general, mechanical equipment necessary for comprehensive mechanized construction works required for earth and stone construction works, road surface construction and maintenance, mobile lifting, loading and unloading operations, and various construction works is called as construction machinery. Generally, a crawler-type chassis is required to carry a load and drive the crawler-type chassis in a crawler-type manner on engineering or agricultural machinery, a crawler-type traveling mechanism uses a bearing wheel body, but the bearing wheel body on the existing engineering machinery is made of metal or a mixture of rubber and metal, so that the bearing wheel body is heavy and poor in stability, the formed bearing wheel body is poor in sealing performance, the production cost of the bearing wheel body is high, and the bearing wheel body is not flexible and agile; the sealing element in the wheel on the existing engineering machinery directly uses a common three-layer structure sealing element on the market, which can achieve the sealing effect, but the outer layer in the common three-layer sealing structure is redundant, so that the production efficiency of the sealing element is slowed down, and the cost of the sealing element is increased; the end surface of a bearing wheel body on the existing engineering machinery is provided with an inwards concave groove ring, and sludge is easy to accumulate in the groove ring; the annular planes of the end covers and the end cover grooves in the wheels on the existing engineering or agricultural machinery crawler-type machinery are not provided with dust blocking structures, so that sundries and dust can enter the sealing assembly and the bearing, the use effect of the sealing assembly and the bearing is influenced, and the service life of the sealing assembly is prolonged.
The present invention is an improvement to solve the above problems.
Disclosure of Invention
The object of the present invention is to provide a nylon wheel for engineering or agricultural machinery track-type machines that solves the above mentioned drawbacks.
The technical scheme adopted by the invention for solving the technical problem is as follows:
a nylon wheel for use on an engineering or agricultural machine track-type machine, comprising:
the bearing component is arranged on a rotating shaft on the engineering or agricultural machinery crawler-type machine; the bearing component comprises a bearing wheel body which is formed by injection molding and processing of nylon; the outer side end surface of the bearing wheel body is provided with a first cam edge protruding outwards;
the sealing component is sleeved on the rotating shaft and embedded in the bearing component; the sealing assembly comprises a sealing element and an end cover which are embedded in the bearing wheel body, the sealing element and the end cover are oppositely arranged, and the sealing element is a TCN high-pressure framework oil seal double-layer sealing structure.
Further, the outer side end face of the bearing wheel body is provided with a second wheel rim and a third wheel rim which are convex outwards, and the first wheel rim is positioned between the second wheel rim and the third wheel rim; and a mounting through groove for mounting the bearing and the sealing assembly is formed in the second wheel rim.
Furthermore, the installation through groove is formed by a sealing groove, an end cover groove and two bearing installation grooves, the two bearing installation grooves are respectively positioned at the inner sides of the sealing groove and the end cover groove, the sealing element is embedded in the sealing groove, the end cover is embedded in the end cover groove, and a bearing is embedded in the bearing installation groove; the diameters of the sealing groove and the end cover groove are respectively larger than the diameter of the bearing mounting groove.
Furthermore, a limiting bulge used for limiting the bearing is arranged between the two bearing mounting grooves.
Furthermore, an annular groove is formed in the outer side annular surface of the end cover, and a sealing ring is embedded in the annular groove.
Furthermore, the outer sides of the sealing groove and the end cover groove are respectively provided with a limiting groove, and a clamp spring is embedded in the limiting groove.
Further, the seal has two inwardly projecting sealing projections on an inner diameter wall thereof.
Furthermore, the nylon wheel is mainly arranged on a frame of the crawler-type chassis and is matched with the rubber crawler for use, belongs to a part of a walking chassis on the crawler-type chassis, and plays a role in bearing and walking.
The invention has the advantages that:
the nylon wheel used on the engineering or agricultural machinery crawler-type machinery is made of the nylon material through the bearing wheel body, so that the performance of the nylon wheel is better than that of the existing bearing wheel body made of rubber and metal materials, the machining efficiency is higher due to the adoption of a single material, and the sealing performance is ensured by the whole formed body; the sealing element in the existing wheel adopts a universal three-layer sealing structure, but the outer side layer in the three-layer sealing structure is redundant, the sealing element on the nylon wheel adopts a double-layer sealing structure, so that the structure of the sealing element on the nylon wheel is simpler on the premise of ensuring the sealing effect, the manufacturing cost is reduced, and the stress of the sealing element with the double-layer structure is better; the end face of the existing wheel is provided with an inwards-concave groove ring, sludge is easy to accumulate in the groove ring, and the end face of the nylon wheel is not accumulated with a large amount of sludge and is convenient to clean due to the arrangement of the first wheel rim; the nylon wheel is provided with the sealing ring on the end cover, so that one protection is added on the annular plane of the end cover and the end cover groove, and sundries can not enter the installation through groove from the gap between the end cover and the end cover groove.
Drawings
FIG. 1 is a cross-sectional view of a nylon wheel for use on an engineering or agricultural machine track-type machine in accordance with the present invention;
FIG. 2 is a cross-sectional view of the load bearing wheel body on the nylon wheel;
FIG. 3 is a schematic view of the end caps on the nylon wheel;
FIG. 4 is a schematic view of the seal on the nylon wheel;
FIG. 5 is a cross-sectional view of the seal on the nylon wheel;
FIG. 6 is a schematic view of the structure of the load bearing wheel body on the nylon wheel;
FIG. 7 is a schematic structural view of the nylon wheel;
fig. 8 is a schematic view of the operation of the nylon wheel when used on a track.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the invention is further described with reference to the figures and the specific embodiments.
As shown in fig. 1 to 7, the present invention provides a nylon wheel for a crawler-type machine of engineering or agricultural machinery, comprising:
the bearing component is arranged on a rotating shaft on the engineering or agricultural machinery crawler-type machine; the bearing component comprises a bearing wheel body which is formed by injection molding and processing of nylon; the outer side end surface of the bearing wheel body is provided with a first cam edge protruding outwards;
the sealing component is sleeved on the rotating shaft and embedded in the bearing component; the sealing assembly comprises a sealing element and an end cover which are embedded in a bearing wheel body, the sealing element and the end cover are oppositely arranged, and the sealing element is a TCN high-pressure framework oil seal double-layer sealing structure (the TCN type belongs to a double-layer outer iron shell oil seal).
As shown in fig. 8: the bearing assembly is mainly installed on a rotating shaft of a chassis frame of a crawler type machine of engineering or agricultural machinery, and is matched with a rubber track to form a complete crawler type chassis walking structure, and the bearing assembly is mainly used on a sliding type loader such as ASV RC50, CATERPILLAR (cartpeter) CAT247 and CAT257B crawler type chassis walking structures and other snowmobiles or agricultural machinery.
By adopting the technical scheme, the bearing wheel body is made of the nylon material, so that the performance of the bearing wheel body is better than that of the existing bearing wheel body made of rubber and metal materials, the bearing wheel body is processed more quickly by adopting a single material, and the sealing performance of the formed whole body is also ensured;
the sealing element in the existing wheel adopts a universal three-layer sealing structure, but the outer side layer in the three-layer sealing structure is redundant, the sealing element on the nylon wheel adopts a double-layer sealing structure, so that the structure of the sealing element on the nylon wheel is simpler on the premise of ensuring the sealing effect, the manufacturing cost is reduced, and the stress of the sealing element with the double-layer structure is better;
the end face of the existing wheel is provided with the inwards-concave groove ring, sludge is easily accumulated in the groove ring, and a large amount of sludge cannot be accumulated on the end face of the nylon wheel due to the arrangement of the first wheel rim, so that the end face of the nylon wheel is convenient to clean.
The invention is further provided with: the outer side end face of the bearing wheel body 1 is provided with a second wheel rim and a third wheel rim which are convex outwards, and the first wheel rim 11 is positioned between the second wheel rim and the third wheel rim; and a mounting through groove for mounting the bearing and the sealing assembly is formed in the second wheel rim.
By adopting the technical scheme, the length of the installation through groove is deepened through the arrangement of the second wheel rim, so that the installation through groove is adaptive to the sealing assembly, and the protruding part of the sealing assembly cannot influence the integral aesthetic feeling of the nylon wheel; through the arrangement of the third wheel rim, the friction area between the nylon wheel and the ground is increased.
The invention is further provided with: the mounting through groove passes through a sealing groove 12, an end cover groove 13 and two bearing mounting grooves 14, the two bearing mounting grooves are respectively positioned at the inner sides of the sealing groove 12 and the end cover groove 13, the bearing grooves at two sides of the center of the bearing wheel body are respectively arranged in the bearing grooves, the sealing element 2 is embedded in the sealing groove 12, the end cover 3 is embedded in the end cover groove 13, and the bearing 4 is embedded in the bearing mounting groove 14; the diameters of the seal groove 12 and the end cover groove 13 are respectively larger than the diameter of the bearing mounting groove 14.
By adopting the technical scheme, the diameters of the sealing groove and the end cover groove are respectively larger than the diameter of the bearing mounting groove, so that the end cover and the inner side end of the sealing element are provided with the limiting step surface.
The invention is further provided with: a limiting bulge 15 for limiting the bearing 4 is arranged between the two bearing mounting grooves 14.
Through adopting above-mentioned technical scheme, through spacing bellied setting for carry on spacingly to the bearing in the bearing mounting groove, the outside of bearing carries on spacingly through sealing member and end cover respectively.
The invention is further provided with: an annular groove 31 is formed in the outer annular surface of the end cover 3, and a sealing ring 5 is embedded in the annular groove 31.
Through adopting above-mentioned technical scheme, through the setting of sealing washer for increase one protection on the annular plane in end cover and end cover groove, make debris can not enter into the logical inslot of installation from the clearance between end cover and the end cover groove.
The invention is further provided with: limiting grooves 16 are respectively formed in the outer sides of the sealing groove 12 and the end cover groove 13, and clamping springs 6 are embedded in the limiting grooves 16.
Through adopting above-mentioned technical scheme, through the setting of jump ring for carry on spacingly to the outside of sealing member and end cover, make sealing member and end cover install respectively and can not fall out easily behind seal groove and the end cover inslot.
The invention is further provided with: the inner diameter wall of the seal 2 has two inwardly projecting sealing projections 21.
Through adopting above-mentioned technical scheme, through two bellied formations of sealing for the sealing member becomes double-deck sealing member, thereby makes the both sides of sealing member reach the sealed effect to the countershaft.
The invention is further provided with: the nylon wheel is mainly arranged on a crawler-type chassis frame (figure 8) and is matched with a rubber crawler for use, belongs to a part of a walking chassis on a crawler type, and plays a role in bearing and walking.
The working principle of the invention is as follows:
this aspect is used for installing on the running gear on engineering machine tool, through running through sealing member and bearing with the pivot in proper order, and it is spacing to pass through the end cover again.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (8)
1. A nylon wheel for an engineering or agricultural machine track-type machine, comprising:
the bearing component is arranged on a rotating shaft on the engineering or agricultural machinery crawler-type machine; the bearing component comprises a bearing wheel body (1) which is formed by nylon injection molding and processing; the outer side end surface of the bearing wheel body (1) is provided with a first cam edge (11) protruding outwards;
the sealing component is sleeved on the rotating shaft and embedded in the bearing component; the sealing assembly comprises a sealing element (2) and an end cover (3) which are embedded in the bearing wheel body (1), the sealing element (2) and the end cover (3) are oppositely arranged, and the sealing element (2) is a TCN high-pressure framework oil seal double-layer sealing structure.
2. A nylon wheel for an engineering or agricultural machine track-type machine according to claim 1, wherein: the outer side end face of the bearing wheel body (1) is provided with a second wheel rim and a third wheel rim which are convex outwards, and the first wheel rim (11) is positioned between the second wheel rim and the third wheel rim; and a mounting through groove for mounting the bearing and the sealing assembly is formed in the second wheel rim.
3. A nylon wheel for an engineering or agricultural machine track-type machine according to claim 2, wherein: the mounting through groove is formed by a sealing groove (12), an end cover groove (13) and two bearing mounting grooves (14), the two bearing mounting grooves are respectively positioned at the inner sides of the sealing groove (12) and the end cover groove (13), the sealing element (2) is embedded in the sealing groove (12), the end cover (3) is embedded in the end cover groove (13), and the bearing (4) is embedded in the bearing mounting groove (14); the diameters of the sealing groove (12) and the end cover groove (13) are respectively larger than the diameter of the bearing mounting groove (14).
4. A nylon wheel for an engineering or agricultural machine track-type machine according to claim 3, wherein: and a limiting bulge (15) used for limiting the bearing (4) is arranged between the two bearing mounting grooves (14).
5. A nylon wheel for an engineering or agricultural machine track-type machine according to claim 3, wherein: an annular groove (31) is formed in the outer side annular surface of the end cover (3), and a sealing ring (5) is embedded in the annular groove (31).
6. A nylon wheel for an engineering or agricultural machine track-type machine according to claim 3, wherein: limiting grooves (16) are formed in the outer sides of the sealing groove (12) and the end cover groove (13) respectively, and clamping springs (6) are embedded in the limiting grooves (16).
7. A nylon wheel for an engineering or agricultural machine track-type machine according to claim 1, wherein: the inner diameter wall of the sealing element (2) is provided with two sealing bulges (21) which are raised inwards.
8. A nylon wheel for an engineering or agricultural machine track-type machine according to claim 1, wherein: the nylon wheel is mainly installed on a crawler-type chassis frame and is matched with a rubber crawler for use, belongs to a part of a walking chassis on a crawler type, and plays a role in bearing and walking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011030742.0A CN112158270A (en) | 2020-09-27 | 2020-09-27 | Nylon wheel for engineering or agricultural machinery crawler-type machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011030742.0A CN112158270A (en) | 2020-09-27 | 2020-09-27 | Nylon wheel for engineering or agricultural machinery crawler-type machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112158270A true CN112158270A (en) | 2021-01-01 |
Family
ID=73864160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011030742.0A Pending CN112158270A (en) | 2020-09-27 | 2020-09-27 | Nylon wheel for engineering or agricultural machinery crawler-type machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112158270A (en) |
-
2020
- 2020-09-27 CN CN202011030742.0A patent/CN112158270A/en active Pending
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