CN220890779U - Rear axle assembly knuckle bearing of dump truck - Google Patents
Rear axle assembly knuckle bearing of dump truck Download PDFInfo
- Publication number
- CN220890779U CN220890779U CN202322915748.1U CN202322915748U CN220890779U CN 220890779 U CN220890779 U CN 220890779U CN 202322915748 U CN202322915748 U CN 202322915748U CN 220890779 U CN220890779 U CN 220890779U
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- Prior art keywords
- oil
- hole
- ring
- pipe
- guide pipe
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- 238000003466 welding Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 6
- 239000004519 grease Substances 0.000 claims description 4
- 239000003921 oil Substances 0.000 abstract description 95
- 239000010687 lubricating oil Substances 0.000 abstract description 24
- 230000000694 effects Effects 0.000 description 4
- 239000000725 suspension Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Pivots And Pivotal Connections (AREA)
Abstract
The utility model provides a joint bearing of a rear axle assembly of a dump truck, which belongs to the technical field of joint bearings and aims to solve the problem that the joint bearing is difficult to judge whether an oil hole of an inner ring is aligned with an oil guide hole of an outer ring or not; the inner part of the outer ring is movably clamped with an inner ring, the top of the outer ring is provided with a through hole, and a fixed ring is welded in the through hole; an oil guide pipe is movably clamped in the through hole; the top of the inner ring is provided with an oil through hole; the oil through hole is positioned right below the through hole; the top surface of the oil guide pipe is connected with a fixed pipe in a spot welding way, a clamping rod is movably clamped in the fixed pipe, and a clamping cover is clamped at the top end of the oil guide pipe; the top end of the clamping rod is connected to the bottom surface of the fixing ring in a spot welding mode. This joint bearing has set up and has made a sound the piece, drives the fixed pipe whereabouts after leading oil pipe whereabouts for make a sound the piece striking the inner wall of fixed pipe and make a sound, thereby help the operator to judge that leading oil pipe has blocked inside the oil through hole, can add lubricating oil.
Description
Technical Field
The utility model belongs to the technical field of joint bearings, and particularly relates to a joint bearing of a rear axle assembly of a dump truck.
Background
The joint bearing is a spherical sliding bearing, the sliding contact surface is an inner spherical surface and an outer spherical surface, the sliding contact surface can rotate and swing at any angle during movement, the bearing capacity is high, the shock resistance, the corrosion resistance, the wear resistance, the lubrication and the like are realized, the rear axle assembly of the dump truck bears most of the weight of the whole truck when being fully loaded, the front surface of the rear axle assembly is connected with a torsion-resistant pipe of the truck frame through a tripod, the rear surface of the rear axle assembly is connected with the truck frame through a rear suspension cylinder, and the joint bearing is arranged in the tripod and the suspension cylinder so as to ensure that the rear axle assembly can swing to a certain extent when being stressed.
Because the joint bearing cannot be added with lubricating oil in the running process, the self-lubricating capability of the joint bearing is required, and the lubricating oil needs to be added periodically, when the lubricating oil is added, the oil through hole of the inner ring is required to be aligned with the oil guide hole of the outer ring, so that the lubricating oil can smoothly flow out of the inner ring, and in the process, whether the oil through hole of the inner ring is aligned with the oil guide hole of the outer ring is difficult to judge; the lubricating oil is added and needs to be led into the outer end face of the inner ring by means of the oil guide groove, so that the problem that the lubricating oil is difficult to be directly led into the inner ring through the oil guide pipe and the alignment of the oil guide pipe is judged visually and audibly.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a joint bearing of a rear axle assembly of a dump truck, which is used for solving the problem that whether an oil hole of an inner ring is aligned with an oil guide hole of an outer ring or not is difficult to judge by the joint bearing; it is difficult to directly introduce lubricating oil onto the inner ring through the oil guide pipe, and there is a problem that the visual and audible double judgment oil guide pipe is aligned.
The utility model relates to a rear axle assembly joint bearing of a dump truck, which is realized by the following specific technical means:
A rear axle assembly knuckle bearing of a dump truck comprises an outer ring; the inner part of the outer ring is movably clamped with an inner ring, the top of the outer ring is provided with a through hole, and a fixed ring is welded in the through hole; an oil guide pipe is movably clamped in the through hole; the top of the inner ring is provided with an oil through hole; the oil through hole is positioned right below the through hole; the top surface of the oil guide pipe is connected with a fixed pipe in a spot welding way, a clamping rod is movably clamped in the fixed pipe, and a clamping cover is clamped at the top end of the oil guide pipe; the top end of the clamping rod is connected to the bottom surface of the fixing ring in a spot welding mode.
Further, the outer end face of the outer ring is of a cylindrical structure, an annular groove is formed in the middle of the outer end face, the inner end face of the outer ring is of a spherical structure, the annular groove is formed in the inner end face in a hollow mode, and the annular groove is communicated with the through hole at the top end.
Further, the bottom end of the oil guide pipe is of an inclined surface structure, the outer diameter of the bottom end of the oil guide pipe is smaller than the aperture of the oil through hole, and the maximum outer diameter of the oil guide pipe is larger than the inner aperture of the oil through hole.
Further, when the clamping cover is clamped into the fixing ring, the bottom surface of the clamping cover is lower than the top surface of the oil guide pipe, and the outer end surface of the clamping cover is flush with the outer end surface of the outer ring.
Further, an oil guiding groove is formed in the middle of the outer end face of the inner ring and is communicated with the tail end of the oil guiding pipe, a self-lubricating hole is formed in the outer portion of the inner ring, and self-lubricating grease is stored in the self-lubricating hole.
Further, the outer diameter of the fixed ring is equal to that of the clamping cover, the top surface of the fixed ring is lower than that of the outer ring, and a gap exists between the bottom surface of the fixed ring and the top surface of the oil guide pipe.
Further, the bottom welding of clamping lever is provided with the piece of making a sound, and the inside at the fixed pipe of piece activity joint is made a sound.
The utility model at least comprises the following beneficial effects:
1. This joint bearing has set up and has made a sound the piece, drives the fixed pipe whereabouts after leading oil pipe whereabouts for make a sound the piece striking the inner wall of fixed pipe and make a sound, thereby help the operator to judge that leading oil pipe has blocked inside the oil through hole, can add lubricating oil.
2. This joint bearing is through setting up leading oil pipe, rotates the inner circle to the oil pipe and is located and lead oil pipe under, leads oil pipe whereabouts and makes the fixed ring and lead the gap grow between the oil pipe, and the operator is helped in vision to judge that the oil pipe has been aligned with leading oil pipe, adds lubricating oil and flows into the oil pipe inside through leading oil pipe, accomplishes the interpolation of lubricating oil.
3. This joint bearing makes lubricating oil paint the interior terminal surface of outer lane through setting up self-lubricating groove with leading the oil groove, realizes lubricated effect, makes the lipid that fills in advance to downthehole utilize self-lubricating hole can realize self-lubricating effect in the use of inner circle, reduces the number of times that increases lubricating oil, increases the cycle duration of adding oil, satisfies user demand in the tipper delivery process.
Drawings
Fig. 1 is a schematic view of the structure of the present utility model when the inner ring and the outer ring are coaxial.
Fig. 2 is a schematic structural view of the present utility model when the inner ring and the outer ring are not coaxial.
Fig. 3 is a schematic view of the oil hole structure of the present utility model.
Fig. 4 is a schematic cross-sectional structure of the inner ring and the outer ring of the present utility model.
Fig. 5 is a schematic cross-sectional view of the oil guide pipe of the present utility model.
Fig. 6 is an enlarged schematic view of the structure of fig. 5 a according to the present utility model.
Fig. 7 is an enlarged schematic view of the structure of fig. 2B according to the present utility model.
In the figure, the correspondence between the component names and the drawing numbers is:
1. An outer ring; 101. a fixing ring; 2. an inner ring; 201. an oil guiding groove; 202. a self-lubricating hole; 203. oil holes; 3. an oil guide pipe; 301. a fixed tube; 4. a clamping cover; 5. a clamping rod; 501. and (5) sounding the piece.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.
Examples
As shown in fig. 1 to 7:
The utility model provides a joint bearing of a rear axle assembly of a dump truck, which comprises an outer ring 1; the inner part of the outer ring 1 is movably clamped with an inner ring 2, the top of the outer ring 1 is provided with a through hole, and a fixed ring 101 is welded in the through hole; an oil guide pipe 3 is movably clamped in the through hole; the top of the inner ring 2 is provided with an oil through hole 203; the oil through hole 203 is located right below the through hole; the top surface of the oil guide pipe 3 is connected with a fixed pipe 301 by spot welding, a clamping rod 5 is movably clamped in the fixed pipe 301, and a clamping cover 4 is clamped at the top end of the oil guide pipe 3; the top end of the clamping rod 5 is connected to the bottom surface of the fixed ring 101 by spot welding.
As shown in fig. 1, the outer end face of the outer ring 1 is of a cylindrical structure, an annular groove is formed in the middle of the outer end face, the inner end face of the outer ring 1 is of a spherical structure, the annular groove is formed in the hollow inner end face, the annular groove is communicated with the through hole at the top end, and the spherical structure of the inner end face of the outer ring 1 is utilized to enable the inner ring 2 to freely rotate or swing without a fixed shaft so as to meet the use requirement of swing or rotation of a rear axle assembly of a dump truck.
As shown in fig. 7, the outer diameter of the fixing ring 101 is equal to the outer diameter of the clamping cover 4, the top surface of the fixing ring 101 is lower than the outer ring 1, a gap exists between the bottom surface of the fixing ring 101 and the top surface of the oil pipe 3, the fixing ring 101 is used for providing a fixing foundation for the clamping rod 5, meanwhile, a foundation is provided for the clamping cover 4 to be buckled, the gap between the fixing ring 101 and the oil pipe 3 enables the oil pipe 3 to move for a certain distance, and a user is facilitated to judge whether the oil pipe 3 is aligned with the oil through hole 203.
As shown in fig. 2 and fig. 3, an oil guiding groove 201 is formed in the middle of the outer end surface of the inner ring 2, the oil guiding groove 201 is communicated with the tail end of the oil guiding pipe 3, a self-lubricating hole 202 is formed in the outer portion of the inner ring 2, self-lubricating grease is stored in the self-lubricating hole 202, lubricating oil can be smeared on the inner end surface of the outer ring 1 by utilizing the oil guiding groove 201 in the swinging or rotating process of the outer end surface of the inner ring 2, so that a lubricating effect is achieved, and grease filled in the hole in advance by utilizing the self-lubricating hole 202 can achieve the self-lubricating effect in the use process of the inner ring 2.
As shown in fig. 3, fig. 5 and fig. 6, the bottom end of the oil guide pipe 3 is in a slant structure, the outer diameter of the bottom end of the oil guide pipe 3 is smaller than the aperture of the oil through hole 203, the maximum outer diameter of the oil guide pipe 3 is larger than the inner aperture of the oil through hole 203, when lubricating oil needs to be added to the bearing, the through hole at the bottom end of the outer ring 1 is arranged at the topmost end, then the inner ring 2 is rotated until the oil through hole 203 is positioned right below the oil guide pipe 3, and the gap between the fixing ring 101 and the oil guide pipe 3 is enlarged, so that an operator is helped to judge that the oil through hole 203 is aligned with the oil guide pipe 3, and the added lubricating oil flows into the oil through the oil guide pipe 3 to finish the addition of the lubricating oil.
As shown in fig. 2 and fig. 3, when the clamping cover 4 is clamped into the fixing ring 101, the bottom surface of the clamping cover 4 is lower than the top surface of the oil guide pipe 3, the outer end surface of the clamping cover 4 is flush with the outer end surface of the outer ring 1, and the clamping cover 4 can prevent the lubricating oil in the oil guide pipe 3 from being thrown outwards, so that the lubricating oil needs to be added frequently.
As shown in fig. 2 and fig. 3, the bottom welding of the clamping rod 5 is provided with a sound piece 501, the sound piece 501 is movably clamped in the fixed pipe 301, and when the oil guide pipe 3 falls down, the fixed pipe 301 is driven to fall, so that the sound piece 501 is clamped at the topmost end in the fixed pipe 301, and the sound piece 501 impacts the inner wall of the fixed pipe 301 to make sound, thereby helping an operator judge that the oil guide pipe 3 is clamped in the oil through hole 203, and lubricating oil can be added.
Specific use and action of the embodiment:
In the utility model, when the oil passing hole 203 is positioned right below the oil passing hole 3, the inclined surface structure at the bottom end of the oil passing hole 203 falls down, the bottom end of the clamping rod 5 is clamped at the topmost end of the inside of the fixed pipe 301, and the gap between the fixed ring 101 and the oil passing hole 3 is enlarged, so that an operator is helped to judge that the oil passing hole 203 is aligned with the oil passing hole 3, after the clamping cover 4 is opened, lubricating oil is added into the oil passing hole 3, and the lubricating oil flows into the oil passing hole 203 through the oil passing hole 3, so that the lubricating oil completely enters the oil guiding groove 201, and the addition of the lubricating oil is completed.
In the second embodiment, as shown in fig. 7, the clamping cover 4 may be flush with the outer end surface of the outer ring 1, or the height of the fixing ring 101 may be adjusted according to the requirements of use and installation, so that the top surface of the clamping cover 4 is lower than the height of the annular groove on the outer end surface of the outer ring 1, thereby avoiding affecting the rotation movement of the outer ring 1.
Claims (7)
1. The joint bearing of the rear axle assembly of the dumper comprises an outer ring (1); an inner ring (2) is movably clamped in the outer ring (1); the method is characterized in that: a through hole is formed in the top of the outer ring (1), and a fixing ring (101) is welded in the through hole; an oil guide pipe (3) is movably clamped in the through hole; an oil through hole (203) is formed in the top of the inner ring (2); the oil through hole (203) is positioned right below the through hole; the top surface spot welding of the oil guide pipe (3) is connected with a fixed pipe (301), a clamping rod (5) is movably clamped in the fixed pipe (301), and a clamping cover (4) is clamped at the top end of the oil guide pipe (3); the top end of the clamping rod (5) is connected to the bottom surface of the fixing ring (101) in a spot welding mode.
2. The rear axle assembly joint bearing of the dump truck according to claim 1, wherein the outer end face of the outer ring (1) is of a cylindrical structure, an annular groove is formed in the middle of the outer end face, the inner end face of the outer ring (1) is of a spherical structure, the annular groove is formed in the hollow of the inner end face, and the annular groove is communicated with the through hole at the top end.
3. The rear axle assembly knuckle bearing of the dump truck according to claim 1, wherein the outer diameter of the fixed ring (101) is equal to the outer diameter of the clamping cover (4), the top surface of the fixed ring (101) is lower than the outer ring (1), and a gap exists between the bottom surface of the fixed ring (101) and the top surface of the oil guide pipe (3).
4. The rear axle assembly joint bearing of the dump truck according to claim 1, wherein an oil guiding groove (201) is formed in the middle of the outer end face of the inner ring (2), the oil guiding groove (201) is communicated with the tail end of the oil guiding pipe (3), a self-lubricating hole (202) is formed in the outer portion of the inner ring (2), and self-lubricating grease is stored in the self-lubricating hole (202).
5. The rear axle assembly joint bearing of the dump truck according to claim 4, wherein the bottom end of the oil guide pipe (3) is of an inclined surface structure, the outer diameter of the bottom end of the oil guide pipe (3) is smaller than the aperture of the oil through hole (203), and the maximum outer diameter of the oil guide pipe (3) is larger than the inner aperture of the oil through hole (203).
6. The rear axle assembly knuckle bearing of the dump truck according to claim 1, wherein when the clamping cover (4) is clamped into the fixing ring (101), the bottom surface of the clamping cover (4) is lower than the top surface of the oil guide pipe (3), and the outer end surface of the clamping cover (4) is flush with the outer end surface of the outer ring (1).
7. The rear axle assembly joint bearing of the dump truck according to claim 1, wherein a sound piece (501) is welded at the bottom end of the clamping rod (5), and the sound piece (501) is movably clamped in the fixed pipe (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322915748.1U CN220890779U (en) | 2023-10-30 | 2023-10-30 | Rear axle assembly knuckle bearing of dump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322915748.1U CN220890779U (en) | 2023-10-30 | 2023-10-30 | Rear axle assembly knuckle bearing of dump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220890779U true CN220890779U (en) | 2024-05-03 |
Family
ID=90879946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322915748.1U Active CN220890779U (en) | 2023-10-30 | 2023-10-30 | Rear axle assembly knuckle bearing of dump truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220890779U (en) |
-
2023
- 2023-10-30 CN CN202322915748.1U patent/CN220890779U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |