CN212401407U - Powerful sealing structure for thrust wheel of hydraulic excavator - Google Patents
Powerful sealing structure for thrust wheel of hydraulic excavator Download PDFInfo
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- CN212401407U CN212401407U CN202020986056.XU CN202020986056U CN212401407U CN 212401407 U CN212401407 U CN 212401407U CN 202020986056 U CN202020986056 U CN 202020986056U CN 212401407 U CN212401407 U CN 212401407U
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Abstract
The utility model belongs to the technical field of excavator devices, in particular to a strong sealing structure of a thrust wheel of a hydraulic excavator, which comprises a wheel body, a wheel shaft is arranged in the cavity of the wheel body in a sliding way, the left end and the right end of the wheel shaft penetrate through the wheel body and extend out of the wheel body, the left end and the right end of the wheel shaft are respectively provided with a bolt hole, the outer walls of the left end and the right end of the wheel shaft are respectively fixedly sleeved with a shaft seat, the shaft seat is positioned between the two bolt holes, an annular groove is arranged at the joint of the shaft seat and the wheel body, the annular groove is provided with a floating seal ring and a floating seal rubber ring, the floating seal ring is sleeved at the joint of the wheel body and the shaft seat, thereby preventing the floating seal ring from being misplaced or deformed under pressure, and then make the binding face of floating seal ring reach inseparable state all the time, the sealing rubber circle forms sealedly to wheel body and axle bed connector, and then improves the sealing performance of thrust wheel, prolongs the life of thrust wheel.
Description
Technical Field
The utility model relates to an excavator device technical field, concretely relates to powerful seal structure of hydraulic shovel thrust wheel.
Background
The ring channel has been seted up with the junction of wheel body to the axle bed, 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, floating seal rubber ring is fixed to be cup jointed in the outside of floating seal ring, the equal fixed mounting in the left and right sides of floating seal rubber ring has rubber elasticity piece, the junction of axle bed and wheel body, the wheel body is close to the miniature runner frame of one side fixedly connected with of axle bed, one side that the wheel body is close to the axle bed is equipped with the even half slot of a plurality of distributions, the runner of miniature runner frame respectively with the outer wall sliding connection of half slot inner wall and axle bed.
The main part of the thrust wheel of the existing thrust wheel leaks oil: the binding face of the floating seal ring and the joint of the wheel body and the shaft seat are leaked, the binding face of the floating seal ring is dynamically sealed, oil leakage factors are more, the difficulty in solving is high, and the main reason for oil leakage of the thrust wheel is caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a powerful seal structure of hydraulic shovel thrust wheel aims at solving the binding face of the superficial seal ring of thrust wheel to and the kneck of wheel body and axle bed reveals oily problem.
In order to achieve the above object, the utility model provides a following technical scheme: a powerful sealing structure for a thrust wheel of a hydraulic excavator comprises a wheel body, wherein a wheel shaft is slidably mounted in a cavity of the wheel body, the left end and the right end of the wheel shaft penetrate through the wheel body and extend out of the wheel body, bolt holes are formed in the left end and the right end of the wheel shaft, shaft seats are fixedly sleeved on the outer walls of the left end and the right end of the wheel shaft and are positioned between the two bolt holes, a ring groove is formed in the joint of the shaft seats and the wheel body, a floating seal ring and a floating seal rubber ring are arranged in the ring groove, the floating seal rubber ring is fixedly sleeved on the outer side of the floating seal ring, rubber elastic blocks are fixedly mounted on the left side and the right side of the floating seal rubber ring, a miniature ball rotating frame is fixedly connected to the joint of the shaft seats and the wheel body at one side of the wheel body close to the shaft seats, a plurality of semicircular grooves uniformly distributed are formed in one side of, the connecting part of the wheel body and the rotating shaft is provided with a metal lining, an oil tank is arranged in the wheel body and is positioned in the middle of the wheel body, and the bottom of the oil tank is connected with the outer wall of the wheel shaft in a sliding mode.
In order to make the oil of oil tank from leading-in metal bush of oil pipe and the shaft between, conduct the utility model discloses a powerful seal structure of hydraulic excavator thrust wheel is preferred, the inside of wheel body is equipped with two and leads oil pipe, two lead the relative one end of oil pipe and oil tank intercommunication, two it all communicates there is a plurality of little oil pipe that distribute evenly, a plurality of to lead oil pipe's outer wall little oil pipe and metal bush intercommunication, the oil plug is installed in the outside of wheel body, the oil tank passes through the pipe connection with the oil plug.
In order to seal up the oil that lets in the metal bush, prevent that oil from spilling along the shaft, conduct the utility model discloses a powerful seal structure of hydraulic excavator thrust wheel is preferred, and both ends outer wall is equipped with the oil blanket about the shaft, two the oil blanket all is located the junction of axle bed and metal bush.
In order to seal up axle bed and the connecting port department of wheel body, conduct the utility model discloses a powerful seal structure of hydraulic excavator thrust wheel is preferred, the axle bed is provided with the sealing rubber circle with the connecting port department of wheel body.
In order to make the wheel body the structure of both ends about with the shaft the same, and other parts are equal to the distance of oil tank, as the utility model discloses a powerful seal structure of hydraulic excavator thrust wheel is preferred, and the wheel body all is the mirror image setting with the both ends about the shaft.
In order to fix a position the axle bed on the shaft, conduct the utility model discloses a powerful seal structure of hydraulic excavator thrust wheel is preferred, the outer wall at both ends is fixed to have cup jointed the location snap ring about the shaft, two the relative one side of location snap ring all with the outer wall fixed connection of axle bed.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this powerful seal structure of hydraulic shovel thrust wheel: the rotating side of the floating seal ring is linked with the floating seal rubber ring and the rubber elastic blocks on one side rotate together with the wheel body around the wheel shaft to form thrust on the floating seal ring and share the floating seal rubber ring to support the wheel body, and the rubber elastic blocks on the two sides share the collision of the wheel body and the shaft seat on the floating seal ring, so that the floating seal ring is prevented from being misplaced or deformed when being pressed, and the binding surface of the floating seal ring is enabled to be in a tight state all the time;
2. this powerful seal structure of hydraulic shovel thrust wheel: the rotating frame supports pressure from the wheel body, the rotating balls on the rotating frame rotate between the wheel body and the shaft seat, sliding between the wheel body and the shaft seat is accelerated, abrasion between the wheel body and the shaft seat is prevented, the sealing rubber ring forms sealing for the connecting port of the wheel body and the shaft seat, sealing performance of the thrust wheel is improved, and service life of the thrust wheel is prolonged.
Drawings
Fig. 1 is a sectional view of a strong sealing structure of a thrust wheel of a hydraulic excavator according to the present invention;
fig. 2 is a strong sealing structure of a thrust wheel of a hydraulic excavator of the present invention;
fig. 3 is an enlarged cross-sectional view taken at a point a of the present invention;
in the figure: 1. a wheel body; 101. a metal bushing; 102. oil sealing; 103. positioning the snap ring; 104. an annular groove; 2. a wheel axle; 3. a floating seal ring; 4. an oil plug; 5. an oil tank; 6. an oil guide pipe; 601. a small oil pipe; 7. a shaft seat; 701. sealing the rubber ring; 702. a micro ball rotating frame; 703. a semicircular groove; 8. bolt holes; 9. floating and sealing the rubber ring; 901. a rubber elastic block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, the utility model provides a technical solution: a powerful sealing structure for a thrust wheel of a hydraulic excavator comprises a wheel body 1, a wheel shaft 2 is slidably mounted in a cavity of the wheel body 1, the left end and the right end of the wheel shaft 2 penetrate through the wheel body 1 and extend out of the wheel body 1, bolt holes 8 are formed in the left end and the right end of the wheel shaft 2, shaft seats 7 are fixedly sleeved on the outer walls of the left end and the right end of the wheel shaft 2, the shaft seats 7 are located between the two bolt holes 8, annular grooves 104 are formed in the joints of the shaft seats 7 and the wheel body 1, floating seal rings 3 and floating seal rubber rings 9 are arranged in the annular grooves 104, the floating seal rubber rings 9 are fixedly sleeved on the outer sides of the floating seal rings 3, rubber elastic blocks 901 are fixedly mounted on the left side and the right side of the floating seal rubber rings 9, a miniature ball rotating frame 702 is fixedly connected to one side of the wheel body 1 close to the shaft seats 7, a plurality of uniformly distributed semicircular grooves 703 are formed in one side of the wheel body 1 close to the shaft seats 7, the junction of wheel body 1 and pivot is equipped with metal bush 101, and the inside of wheel body 1 is equipped with oil tank 5, and oil tank 5 is located the middle part of wheel body 1, and the bottom of oil tank 5 and the outer wall sliding connection of shaft 2.
In this embodiment: oil in the oil tank 5 respectively enters from the two oil guide pipes 6 and then enters into the metal bushing 101 from the plurality of small oil pipes 601, so that before the lubricated metal bushing 101 rotates the floating seal ring 33 on the wheel shaft 2, the matching surface is coated with lubricating oil for matching use, one side of the rotating floating seal ring 3 is linked with the floating seal ring 9 and the rubber elastic block 901 on one side of the rotating floating seal ring and rotates together with the wheel body 1 around the wheel shaft 2 to form thrust to the floating seal ring 3 and share the floating seal ring 9 to support the wheel body 1, the rubber elastic blocks 901 on two sides share the collision from the wheel body 1 and the shaft seat 7 to the floating seal ring 3, thereby preventing the floating seal ring 3 from being misplaced or deformed under pressure, thereby realizing the purpose of mechanical dynamic sealing, the rotating frame 702 supports the pressure from the wheel 1, the rotating balls on the rotating frame 702 rotate between the wheel body 1 and the shaft seat 7, so as to accelerate the sliding between the wheel body 1 and the shaft seat, the sealing rubber ring 701 forms sealing for a connecting port of the wheel body 1 and the shaft seat 7, so that the sealing performance of the thrust wheel is improved, and the service life of the thrust wheel is prolonged.
As the utility model discloses a technical optimization scheme, the inside of wheel body 1 is equipped with two and leads oil pipe 6, and two lead the relative one end of oil pipe 6 and oil tank 5 intercommunication, two outer walls that lead oil pipe 6 all communicate have a plurality of little oil pipe 601 that distribute evenly, a plurality of little oil pipe 601 and metal bush 101 intercommunication, and oil plug 4 is installed in the outside of wheel body 1, and oil tank 5 passes through the pipe connection with oil plug 4.
In this embodiment: through setting up a plurality of little oil pipes 601, a plurality of little oil pipes 601 communicate with two oil pipe 6 respectively, and oil in the oil tank 5 gets into from two oil pipe 6 respectively, and then gets into in the metal bush 101 from a plurality of little oil pipe 601 to lubricated metal bush 101 rotates on shaft 2.
As a technical optimization scheme of the utility model, both ends outer wall is equipped with oil blanket 102 about shaft 2, and two oil blankets 102 all are located the junction of axle bed 7 and metal bush 101.
In this embodiment: by arranging the oil seal 102, when oil is introduced into the metal bushing 101, the oil moves to both sides along the space between the metal bushing 101 and the wheel shaft 2, and when the oil moves to the shaft seat 7, the oil seal 102 sleeved on the wheel shaft 2 prevents the oil from moving continuously, so that the oil seal 102 forms sealing with the shaft seat 7 and the wheel shaft 2 respectively.
As a technical optimization scheme of the utility model, axle bed 7 is provided with sealing rubber circle 701 with the connection port department of wheel body 1.
In this embodiment: through being provided with sealing rubber circle 701, sealing rubber circle 701 and axle bed 7 are fixed to be cup jointed, and the inseparable sliding connection of lateral wall and the lateral wall of wheel body 1 of sealing rubber circle 701 forms sealedly between sealing rubber circle 701 and wheel body 1 and the axle bed 7 respectively.
As a technical optimization scheme of the utility model, both ends all are the mirror image setting about wheel body 1 and shaft 2.
In this embodiment: the wheel body 1 and the wheel shaft 2 have the same structure of parts at the left end and the right end, and the distances from the wheel body to the oil tank 5 are equal.
As a technical optimization scheme of the utility model, the outer wall at both ends is fixed to have cup jointed location snap ring 103 about shaft 2, and two one sides that location snap ring 103 is relative all with the outer wall fixed connection of axle bed 7.
In this embodiment: through setting up two location snap rings 103, when wheel body 1 rotated, location snap ring 103 supported axle bed 7 to and fix a position axle bed 7, prevent that axle bed 7 and wheel body 1 from taking place the dislocation.
The working principle is that when the thrust wheel of the excavator works, oil in the oil tank 5 respectively enters from the two oil guide pipes 6 and then enters into the metal bushing 101 from the plurality of small oil pipes 601, so that the lubricated metal bushing 101 rotates the floating seal ring 33 on the wheel shaft 2 before assembly, the matching surface is coated with lubricating oil for matching use, one side of the rotation of the floating seal ring 3 is linked with the floating seal ring 9 and the rubber elastic block 901 on one side to rotate together with the wheel body 1 around the wheel shaft 2, the rubber elastic block 901 forms thrust on the floating seal ring 3 and shares the floating seal ring 9 to support the wheel body 1, thereby realizing the purpose of mechanical dynamic sealing, the rotating ball on the rotating frame 702 rotates between the wheel body 1 and the shaft seat 7 to accelerate the sliding between the wheel body 1 and the shaft seat 7 and prevent the abrasion between the wheel body 1 and the shaft seat 7, the sealing rubber ring 701 forms sealing on the connection port of the wheel body 1 and the shaft seat 7, the service life of the thrust wheel is prolonged.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a powerful seal structure of hydraulic shovel thrust wheel, includes wheel body (1), its characterized in that: a wheel shaft (2) is slidably mounted in a cavity of the wheel body (1), the left end and the right end of the wheel shaft (2) penetrate through the wheel body (1) and extend out of the wheel body (1), bolt holes (8) are formed in the left end and the right end of the wheel shaft (2), shaft seats (7) are fixedly sleeved on the outer walls of the left end and the right end of the wheel shaft (2), the shaft seats (7) are located between the two bolt holes (8), an annular groove (104) is formed in the joint of the shaft seats (7) and the wheel body (1), a floating seal ring (3) and a floating seal rubber ring (9) are arranged in the annular groove (104), the floating seal ring (3) is sleeved on the joint of the wheel body (1) and the shaft seats (7), the floating seal rubber ring (9) is fixedly sleeved on the outer side of the floating seal ring (3), rubber elastic blocks (901) are fixedly mounted on the left side and the right side of the floating seal rubber ring (9), and a micro ball rotating frame (702) is fixedly connected, one side of the wheel body (1) close to the axle seat (7) is provided with a plurality of uniformly distributed semicircular grooves (703), the rotating balls of the miniature rotating ball frame (702) are respectively connected with the inner walls of the semicircular grooves (703) and the outer wall of the axle seat (7) in a sliding manner, a metal bushing (101) is arranged at the joint of the wheel body (1) and the rotating shaft, an oil tank (5) is arranged inside the wheel body (1), the oil tank (5) is located in the middle of the wheel body (1), and the bottom of the oil tank (5) is connected with the outer wall of the axle (2) in a sliding manner.
2. The strong sealing structure for the thrust wheel of the hydraulic excavator according to claim 1, wherein: the inside of wheel body (1) is equipped with two oil pipe (6), two lead the relative one end of oil pipe (6) and oil tank (5) intercommunication, two the outer wall of oil pipe (6) all communicates has a plurality of little oil pipe (601) that distribute evenly, and is a plurality of little oil pipe (601) and metal bush (101) intercommunication, oil plug (4) are installed in the outside of wheel body (1), oil tank (5) pass through the pipe connection with oil plug (4).
3. The strong sealing structure for the thrust wheel of the hydraulic excavator according to claim 1, wherein: the outer walls of the left end and the right end of the wheel shaft (2) are provided with oil seals (102), and the two oil seals (102) are located at the connecting position of the shaft seat (7) and the metal bushing (101).
4. The strong sealing structure for the thrust wheel of the hydraulic excavator according to claim 1, wherein: and a sealing rubber ring (701) is arranged at the connecting port of the shaft seat (7) and the wheel body (1).
5. The strong sealing structure for the thrust wheel of the hydraulic excavator according to claim 1, wherein: the wheel body (1) and the left end and the right end of the wheel shaft (2) are arranged in a mirror image mode.
6. The strong sealing structure for the thrust wheel of the hydraulic excavator according to claim 1, wherein: the outer wall of the left end and the right end of the wheel shaft (2) is fixedly sleeved with a positioning snap ring (103), and one side, opposite to the positioning snap ring (103), is fixedly connected with the outer wall of the shaft seat (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020986056.XU CN212401407U (en) | 2020-06-02 | 2020-06-02 | Powerful sealing structure for thrust wheel of hydraulic excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020986056.XU CN212401407U (en) | 2020-06-02 | 2020-06-02 | Powerful sealing structure for thrust wheel of hydraulic excavator |
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| Publication Number | Publication Date |
|---|---|
| CN212401407U true CN212401407U (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020986056.XU Active CN212401407U (en) | 2020-06-02 | 2020-06-02 | Powerful sealing structure for thrust wheel of hydraulic excavator |
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| Country | Link |
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| CN (1) | CN212401407U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113682389A (en) * | 2021-09-23 | 2021-11-23 | 三一重机有限公司 | Thrust wheel and engineering machinery |
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2020
- 2020-06-02 CN CN202020986056.XU patent/CN212401407U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113682389A (en) * | 2021-09-23 | 2021-11-23 | 三一重机有限公司 | Thrust wheel and engineering machinery |
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