CN221091024U - Hydraulic excavator thrust wheel with powerful sealing structure - Google Patents
Hydraulic excavator thrust wheel with powerful sealing structure Download PDFInfo
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- CN221091024U CN221091024U CN202323463436.8U CN202323463436U CN221091024U CN 221091024 U CN221091024 U CN 221091024U CN 202323463436 U CN202323463436 U CN 202323463436U CN 221091024 U CN221091024 U CN 221091024U
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- thrust wheel
- sealing
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- ring seat
- wheel
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- 238000007789 sealing Methods 0.000 title claims abstract description 84
- 238000007667 floating Methods 0.000 claims abstract description 23
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- Sealing Devices (AREA)
Abstract
The utility model discloses a thrust wheel with a strong sealing structure for a hydraulic excavator, which relates to the technical field of thrust wheel sealing structures and comprises a thrust wheel ring seat, wherein a thrust wheel shaft is arranged in the thrust wheel ring seat in a penetrating manner, two ends of the thrust wheel shaft are respectively sleeved with a sealing cover, one end, adjacent to each sealing cover, of each sealing cover is provided with a floating oil seal groove, and floating oil seal assemblies are arranged in the two floating oil seal grooves. According to the utility model, the flexibility of the joint of the thrust wheel ring seat and the end sealing cover can be improved by arranging the plurality of balls, the resistance is reduced, the outer sealing ring is attached to one end of the inner part of the end sealing cover, the oil leakage phenomenon can be avoided, the sealing piston is slidably arranged in the inner cavity, and the external tool rotates through the inner hexagonal groove, so that the sealing piston is pushed to move, and the sealing oil in the inner cavity enters the inner oil cavity, so that the slow oil leakage phenomenon is relieved, and the normal operation for a period of time is maintained.
Description
Technical Field
The utility model relates to the technical field of thrust wheel sealing structures, in particular to a thrust wheel of a hydraulic excavator with a strong sealing structure.
Background
The hydraulic excavator is a multifunctional machine, is widely applied to the mechanical construction of hydraulic engineering, transportation, electric power engineering, mine mining and the like, and plays an important role in relieving heavy physical labor, ensuring engineering quality, accelerating construction speed and improving labor productivity. The hydraulic excavator part comprises a thrust wheel.
The thrust wheel contains axle bed and wheel body, the ring channel has been seted up to the junction of axle bed and wheel body, the ring channel is provided with floating seal ring and floating seal rubber ring, floating seal ring cup joints the junction at wheel body and axle bed, the fixed outside of cup jointing at floating seal ring of floating seal rubber ring, the equal fixed mounting of left and right sides of floating seal rubber ring has rubber elastic block, the junction of axle bed and wheel body, one side fixedly connected with miniature commentaries on classics pearl frame that the wheel body is close to the axle bed, one side that the wheel body is close to the axle bed is equipped with a plurality of evenly distributed semicircle grooves, the commentaries on classics pearl of miniature commentaries on classics pearl frame respectively with semicircle groove inner wall and the outer wall sliding connection of axle bed.
The prior patent (publication number: CN 212401407U) discloses a hydraulic excavator thrust wheel with a strong sealing structure, and relates to the technical field of excavator devices. The wheel comprises a wheel body, the wheel axle is installed in the cavity of wheel body in a sliding way, the left and right ends of the wheel axle penetrate through the wheel body and extend out of the wheel body, the left and right ends of the wheel axle are all provided with bolt holes, the outer walls of the left and right ends of the wheel axle are fixedly sleeved with shaft seats, the shaft seats are located between the two bolt holes, and an annular groove is formed in the joint of the shaft seats and the wheel body. The inventor finds that the following problems in the prior art are not solved well in the process of realizing the scheme: the device seal strength is limited, still has the oil leakage possibility to lead to life to reduce, the device is difficult to continue to use when leaking the diffuse oil, and emergency ability is not enough.
Disclosure of utility model
The utility model mainly aims to provide a hydraulic excavator thrust wheel with a strong sealing structure, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a hydraulic excavator thrust wheel with powerful seal structure, includes thrust wheel ring seat, thrust wheel ring seat's inside runs through and installs the thrust wheel axle, the end closure lid has all been cup jointed at thrust wheel axle's both ends, two the floating oil seal groove has all been seted up to the adjacent one end of end closure lid, two all install floating oil seal assembly in the floating oil seal groove, two the adjacent one end surface of end closure lid is all roll the embedding and is installed a plurality of ball, two the end closure lid is close to thrust wheel ring seat both ends department all is equipped with the restriction edge, two seal oil hole has all been seted up in the end closure lid, two seal oil hole inside all extends to in the floating oil seal groove, thrust wheel ring seat outside is provided with the round annular, the bearing housing has all been cup jointed at thrust wheel axle both ends, the inner chamber has been seted up to the one end of thrust wheel axle, the oil-out and inner chamber intercommunication, the inside slidable mounting of inner chamber has sealed piston, the one end fixed connection of sealed piston has the seal oil-in groove, the push cylinder is close to the inside thread post of screw thread connection, the push cylinder is close to the inside thread post is close to the screw thread inner surface.
Preferably, the two limiting edges are overlapped with two ends of the thrust wheel ring seat, and the distances between a plurality of balls are equal.
Preferably, an outer sealing ring is fixedly arranged between the adjacent ends of the end sealing covers and the thrust wheel ring seat.
Preferably, the inner edges of the two outer sealing rings are respectively provided with an inner edge, and the two inner edges are respectively matched with one ends of the two end sealing covers, which are adjacent.
Preferably, the inner rings are respectively arranged in the end sealing covers in a penetrating manner, the second jacks are respectively arranged in the two ends of the supporting wheel shaft in a penetrating manner, the first jacks are respectively arranged in the end sealing covers in a penetrating manner, and the bolt columns are respectively inserted into the first jacks and the second jacks.
Preferably, two wheel shaft sealing grooves are formed in the bearing sleeve at two ends of the supporting wheel shaft, matched wheel shaft sealing rings are sleeved in the four wheel shaft sealing grooves, and extending edges are arranged at two ends of the supporting wheel ring seat, close to the supporting wheel shaft.
Compared with the prior art, the utility model has the following beneficial effects:
1. The two ends of the thrust wheel shaft are respectively provided with the two wheel shaft sealing grooves and the wheel shaft sealing rings, so that the joint of the thrust wheel shaft and the end sealing cover is sealed, the double protection tightness is improved greatly, and the limiting edges and the outer sealing rings are arranged to further improve tightness outside the floating oil seal assembly.
2. The sealing piston is slidably arranged in the inner cavity, and the external tool rotates through the inner hexagonal groove, so that the sealing piston is pushed to move, sealing oil in the inner cavity enters the inner oil cavity, the phenomenon of oil leakage and slow oil is relieved, and normal operation for a period of time is maintained.
Drawings
FIG. 1 is a schematic diagram of an exploded construction of a thrust wheel of a hydraulic excavator having a strong seal structure according to the present utility model;
FIG. 2 is a schematic perspective view of a hydraulic excavator thrust wheel with a strong seal structure according to the present utility model;
FIG. 3 is a schematic cross-sectional view of a thrust wheel axle of a hydraulic excavator with a strong seal structure according to the present utility model;
Fig. 4 is a schematic perspective view of a thrust wheel shaft and a bearing housing of a thrust wheel of a hydraulic excavator with a strong sealing structure according to the present utility model.
In the figure: 1. a thrust wheel ring seat; 2. sealing the end cover; 3. a latch post; 31. a first jack; 32. a second jack; 4. sealing the oil hole; 5. wheel ring groove; 6. a thrust wheel shaft; 7. a bearing sleeve; 8. an outer seal ring; 9. a ball; 10. limiting the edge; 11. a wheel shaft sealing groove; 12. axle sealing ring; 13. an extension edge; 14. pushing the column; 15. a threaded connection end; 16. a sealing piston; 17. an oil outlet; 18. an inner cavity.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-4, a thrust wheel of a hydraulic excavator with a strong sealing structure, a thrust wheel shaft 6 is installed in the thrust wheel ring seat 1 in a penetrating manner, end sealing covers 2 are sleeved at two ends of the thrust wheel shaft 6, floating oil sealing grooves are formed in adjacent ends of the two end sealing covers 2, floating oil seal assemblies are installed in the two floating oil sealing grooves, a plurality of balls 9 are installed on the outer surfaces of adjacent ends of the two end sealing covers 2 in a rolling embedded manner, limiting edges 10 are arranged at two ends of the two end sealing covers 2, oil sealing holes 4 are formed in the two end sealing covers 4 and extend into the floating oil sealing grooves, a wheel ring groove 5 is formed in the outer portion of the thrust wheel ring seat 1, bearing sleeves 7 are sleeved at two ends of the thrust wheel shaft 6, an inner cavity 18 is formed in one end of the thrust wheel shaft 6, an oil outlet 17 is formed in the middle of the thrust wheel shaft 6, the oil outlet 17 is communicated with the inner cavity 18, a sealing piston 16 is installed in a sliding manner in the inner portion of the inner cavity 18, one end of the sealing piston 16 is fixedly connected with a pushing post 14, a six-side pushing post 14 is connected with the inner threaded post 14 near the six-side inner threaded post 14, and a six-side end pushing post 15 is connected with the inner threaded post 15 near the six-side surface of the inner threaded post.
In this embodiment, two limiting edges 10 overlap with two ends of the thrust wheel ring seat 1, and the distance between the plurality of balls 9 is equal.
In the embodiment, an outer sealing ring 8 is fixedly arranged between the adjacent ends of the two end sealing covers 2 and the thrust wheel ring seat 1; the sealing performance can be further improved by arranging the limiting edge 10 and the outer sealing ring 8 outside the floating oil seal assembly, the flexibility of the joint of the thrust wheel ring seat 1 and the end sealing cover 2 can be improved by arranging the plurality of balls 9, the resistance is reduced, the outer sealing ring 8 is attached to one end of the inside of the end sealing cover 2, and oil leakage can be avoided.
In this embodiment, the inside of two outer sealing rings 8 all is equipped with the inward flange, and two inward flanges all agree with the adjacent one end of two end closure covers 2, and restriction edge 10 is at end closure cover 2 and thrust wheel ring seat 1 assembly back, and the clearance is less, can keep apart the outside and avoid the dust to get into in the gap to extension maintenance cycle reduces the fault rate, improves life.
In this embodiment, the inner rings are all penetrated and arranged in the two end sealing caps 2, the second insertion holes 32 are all penetrated and arranged at the two ends of the thrust wheel shaft 6, the first insertion holes 31 are all penetrated and arranged on the two end sealing caps 2, and the bolt posts 3 are all inserted into the first insertion holes 31 and the second insertion holes 32.
In this embodiment, two axle seal grooves 11 have all been seted up to the both ends that are located bearing housing 7 inside of thrust wheel axle 6, have all cup jointed the axle sealing ring 12 that agrees in four axle seal grooves 11, make the thrust wheel axle 6 sealed with end cover 2 junction through all setting up two axle seal grooves 11 and axle sealing ring 12 at thrust wheel axle 6 both ends, and dual protection leakproofness promotes greatly, and thrust wheel ring seat 1 both ends are close to thrust wheel axle 6 department and all are equipped with extension edge 13.
Working principle: according to the utility model, two wheel shaft sealing grooves 11 and wheel shaft sealing rings 12 are arranged at two ends of the thrust wheel shaft 6, so that the joint of the thrust wheel shaft 6 and the end sealing cover 2 is sealed, double protection sealing performance is improved greatly, a limiting edge 10 and an outer sealing ring 8 are arranged, sealing performance can be further improved outside a floating oil seal assembly, a plurality of balls 9 are arranged, flexibility of the joint of the thrust wheel ring seat 1 and the end sealing cover 2 can be improved, resistance is reduced, the outer sealing ring 8 is attached to one end inside the end sealing cover 2, oil leakage phenomenon can be avoided, the limiting edge 10 has a small gap after the end sealing cover 2 and the thrust wheel ring seat 1 are assembled, dust is prevented from entering a gap outside, so that maintenance period is prolonged, failure rate is reduced, service life is prolonged, when the oil leakage phenomenon of the device is found, a sealing piston 16 is slidably arranged inside an inner cavity 18, an external tool rotates through an inner hexagonal groove, so that the sealing piston 16 is pushed to move, sealing oil in the inner cavity 18 enters the inner cavity, the oil leakage phenomenon is relieved, and normal operation is maintained for a period of time.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a hydraulic excavator thrust wheel with powerful seal structure, includes thrust wheel ring seat (1), its characterized in that: the inside of thrust wheel ring seat (1) runs through and installs thrust wheel axle (6), seal cap (2) have all been cup jointed at the both ends of thrust wheel axle (6), two seal cap (2) adjacent one end has all been seted up floating oil seal groove, two seal cap (2) are all installed in the floating oil seal groove, two seal cap (2) adjacent one end surface all roll the embedding and install a plurality of ball (9), two seal cap (2) are close to thrust wheel ring seat (1) both ends department all is equipped with limit edge (10), two seal cap (2) are interior all offered oil sealing hole (4), two seal oil hole (4) are inside all to extend to in the floating oil seal groove, thrust wheel ring seat (1) outside is provided with wheel annular groove (5), seal cap (7) have all been cup jointed at thrust wheel axle (6) both ends, inner chamber (18) have been seted up to one end of thrust wheel axle (6), seal cap (6) middle part (17) are close to thrust wheel axle (1) both ends department all is equipped with limit edge (17), seal groove (16) are connected with piston (16) in advance piston (16) one end, piston (16) are connected with piston (14) and seal cylinder (16), the pushing column (14) is provided with a threaded connection end (15) close to the outer surface of the inner hexagonal groove, and the pushing column (14) is installed on the inner surface of the inner cavity (18) close to the threaded connection end (15) in a threaded mode.
2. The hydraulic excavator thrust wheel with a strong seal of claim 1 wherein: the two limiting edges (10) are overlapped with the two ends of the thrust wheel ring seat (1), and the intervals of a plurality of balls (9) are equal.
3. The hydraulic excavator thrust wheel with a strong seal of claim 1 wherein: an outer sealing ring (8) is fixedly arranged between the adjacent ends of the two end sealing covers (2) and the thrust wheel ring seat (1).
4. A hydraulic excavator thrust wheel having a strong seal as claimed in claim 3 wherein: the two outer sealing rings (8) are provided with inner edges inside, and the two inner edges are matched with one ends of the two end sealing covers (2) adjacent to each other.
5. The hydraulic excavator thrust wheel with a strong seal of claim 1 wherein: inner rings are arranged in the end-capped covers (2) in a penetrating mode, second insertion holes (32) are arranged in the two ends of the supporting wheel shaft (6) in a penetrating mode, first insertion holes (31) are arranged in the end-capped covers (2) in a penetrating mode, and bolt columns (3) are inserted in the first insertion holes (31) and the second insertion holes (32).
6. The hydraulic excavator thrust wheel with a strong seal of claim 1 wherein: two wheel shaft sealing grooves (11) are formed in the bearing sleeve (7) at two ends of the supporting wheel shaft (6), matched wheel shaft sealing rings (12) are sleeved in the wheel shaft sealing grooves (11), and extension edges (13) are formed in the positions, close to the supporting wheel shaft (6), of the two ends of the supporting wheel ring seat (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323463436.8U CN221091024U (en) | 2023-12-16 | 2023-12-16 | Hydraulic excavator thrust wheel with powerful sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323463436.8U CN221091024U (en) | 2023-12-16 | 2023-12-16 | Hydraulic excavator thrust wheel with powerful sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221091024U true CN221091024U (en) | 2024-06-07 |
Family
ID=91319979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323463436.8U Active CN221091024U (en) | 2023-12-16 | 2023-12-16 | Hydraulic excavator thrust wheel with powerful sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221091024U (en) |
-
2023
- 2023-12-16 CN CN202323463436.8U patent/CN221091024U/en active Active
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| GR01 | Patent grant |