CN212561653U - Excavator swing arm self-lubricating structure - Google Patents
Excavator swing arm self-lubricating structure Download PDFInfo
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- CN212561653U CN212561653U CN202020944360.8U CN202020944360U CN212561653U CN 212561653 U CN212561653 U CN 212561653U CN 202020944360 U CN202020944360 U CN 202020944360U CN 212561653 U CN212561653 U CN 212561653U
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- Prior art keywords
- pivot
- bearing
- excavator
- fixed mounting
- liquid storage
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- 239000007788 liquid Substances 0.000 claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 239000010687 lubricating oil Substances 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 5
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000011550 stock solution Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 14
- 238000007789 sealing Methods 0.000 description 4
- 210000000078 claw Anatomy 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- -1 silt Substances 0.000 description 1
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Abstract
The utility model discloses an excavator swing arm self-lubricating structure, which comprises a supporting main board, the left end fixed mounting who supports the mainboard has the bearing, the center department of bearing alternates and is provided with the pivot, the pivot is rotated and is connected in the bearing, fixed mounting has the excavator arm in the pivot, the lower extreme of excavator arm is provided with digs and grabs, the upper end of excavator arm sets up adjustment mechanism, be provided with the liquid reserve pipe on the lateral wall of support mainboard. The utility model discloses, when excavator arm pivoted in-process, the excavator arm can drive the pivot and rotate, and one side of pivot can drive the clamp plate through the stay cord and promote sealed sliding plug compression spring to the intraductal lubricating oil of extrusion stock solution makes lubricating oil spout in the pivot through the shower nozzle of front end, and in the epaxial lubricating oil of commentaries on classics immerges the bearing, and then lubricates between pivot and the bearing, has reduced the loss of frictional force between pivot and the bearing, has prolonged the life of pivot and bearing.
Description
Technical Field
The utility model relates to an excavator technical field especially relates to an excavator swing arm self-lubricating structure.
Background
The materials excavated by the excavator mainly comprise soil, coal, silt, soil subjected to pre-loosening and rocks. In view of the development of construction machines in recent years, the development of excavators is relatively fast, the excavator becomes one of the most important construction machines in construction, and the three most important parameters of the excavator are operation weight (mass), engine power and bucket capacity.
The conventional excavator has the advantages that the mechanical arm continuously rubs with the bearing through the rotating shaft in the using process, the friction between the mechanical arm and the bearing increases the loss of the rotating shaft and the bearing, and the service life of the rotating shaft and the bearing is shortened.
In order to solve the problems, a self-lubricating structure of a movable arm of an excavator is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving among the prior art "current excavator in the in-process that uses the swing arm can be through the continuous and bearing emergence friction of pivot, and frictional force between the two can increase the loss of pivot and bearing, has shortened the life of pivot and bearing. "to provide a self-lubricating structure for the movable arm of the excavator.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a movable arm self-lubricating structure of an excavator comprises a supporting main board, wherein a bearing is fixedly mounted at the left end of the supporting main board, a rotating shaft is arranged at the center of the bearing in an inserting mode, the rotating shaft is rotatably connected in the bearing, an excavator arm is fixedly mounted on the rotating shaft, an excavating claw is arranged at the lower end of the excavator arm, an adjusting mechanism is arranged at the upper end of the excavator arm, a liquid storage pipe is arranged on the side wall of the supporting main board and fixedly mounted on the side wall of the supporting main board through a mounting block, a sealing sliding plug is connected in the liquid storage pipe in a sliding mode, a push rod is fixedly mounted at the center of the right side wall of the sealing sliding plug, the other end of the push rod penetrates through the right side wall of the liquid storage pipe and is fixedly mounted with a pressing plate, a spring is fixedly mounted on the left side wall of the sealing sliding plug, the, the sprayer is just opposite to the bearing, two pull ropes are symmetrically and fixedly installed at two ends of the pressing plate, the other end of each pull rope is fixedly installed on the side wall of the rotating shaft, and an oiling mechanism is arranged on the side wall of the liquid storage pipe.
Preferably, adjustment mechanism includes telescopic cylinder, telescopic cylinder's right-hand member rotates the up end of connection at the support mainboard, telescopic cylinder's the other end is provided with the movable rod, the one end that the movable rod deviates from telescopic cylinder rotates with the upper end of excavator arm to be connected.
Preferably, the oiling mechanism comprises an oil storage tank, the oil storage tank is fixedly mounted on the bottom end face of the supporting main plate, and an oil filling port is formed in the oil storage tank.
Preferably, be provided with the oil pump in the oil storage tank, the output of oil pump passes through the connecting pipe and communicates each other with the liquid storage pipe, be provided with No. two check valves in the connecting pipe.
Preferably, the excavator arm is made of nickel-chromium alloy steel plates.
Compared with the prior art, the beneficial effects of the utility model are that:
when the excavator arm pivoted in-process, the excavator arm can drive the pivot and rotate, and one side of pivot can drive the clamp plate through the stay cord and promote sealed sliding plug compression spring to the lubricating oil in the extrusion liquid storage pipe makes lubricating oil spout in the pivot through the shower nozzle of front end, and epaxial lubricating oil of commentaries on classics soaks in the bearing, and then lubricates between pivot and the bearing, has reduced the loss of frictional force between pivot and the bearing, has prolonged the life of pivot and bearing.
Drawings
Fig. 1 is a schematic front structural view of a self-lubricating structure of a movable arm of an excavator according to the present invention;
fig. 2 is an enlarged schematic view of a point a in fig. 1.
In the figure: the main board is supported by a connecting pipe 1, a pull rope 2, a bearing 3, a rotating shaft 4, an excavator arm 5, a liquid storage pipe 6, a mounting block 7, a spring 8, a sealing sliding plug 9, a pressing plate 10, an excavating claw 11, a movable rod 12, an oil storage tank 13, a telescopic cylinder 14 and a supporting main board 15.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, a self-lubricating structure of a movable arm of an excavator comprises a supporting main board 15, a bearing 3 is fixedly installed at the left end of the supporting main board 15, a rotating shaft 4 is inserted into the center of the bearing 3, the rotating shaft 4 is rotatably connected in the bearing 3, an excavator arm 5 is fixedly installed on the rotating shaft 4, the excavator arm 5 is a nickel-chromium alloy steel plate, an excavating claw 11 is arranged at the lower end of the excavator arm 5, an adjusting mechanism is arranged at the upper end of the excavator arm 5, the adjusting mechanism comprises a telescopic cylinder 14, the right end of the telescopic cylinder 14 is rotatably connected to the upper end surface of the supporting main board 15, a movable rod 12 is arranged at the other end of the telescopic cylinder 14, one end of the movable rod 12 departing from the telescopic cylinder 14 is rotatably connected to the upper end of the excavator arm 5, a liquid storage pipe 6 is arranged on the side wall of the supporting main board 15, the liquid storage pipe 6, the center department fixed mounting of the right side wall of sealed sliding plug 9 has the push rod, the other end of push rod runs through the right side wall of liquid storage pipe 6 and fixed mounting has clamp plate 10, the left side wall fixed mounting of sealed sliding plug 9 has spring 8, spring 8 fixed mounting is on the left side wall in liquid storage pipe 6, the left end fixed mounting of liquid storage pipe 6 has the shower nozzle, be provided with the single-item valve No. one in the shower nozzle, the shower nozzle is just relative with bearing 3, the both ends symmetry fixed mounting of clamp plate 10 has two stay cords 2, the equal fixed mounting of the other end of every stay cord 2 is on the lateral wall of pivot 4, be provided with on the lateral wall of liquid storage pipe 6 and refuel the mechanism, refuel the mechanism includes batch oil tank 13, batch oil tank 13 fixed mounting is in the bottom face that supports mainboard 15, the tank 13 has seted up the oil filler hole, be provided with the oil pump in the batch oil tank.
The utility model discloses in, in 5 pivoted in-process when excavator arm, excavator arm 5 can drive pivot 4 rotations, one side of pivot 4 can drive clamp plate 10 through stay cord 2 and promote sealed sliding plug 9 compression spring 8, and the lubricating oil in the extrusion liquid reserve pipe 6 makes lubricating oil spout in pivot 4 through the shower nozzle of front end, in 4 epaxial lubricating oil immersion bearing 3 of pivot, and then lubricate between 4 and the bearing 3 of countershaft, the loss of frictional force between 4 and the bearing 3 has been reduced, the life of pivot 4 and bearing 3 has been prolonged, and after pivot 4 resets, sealed sliding plug 9 resets rapidly under the effect of spring 8 elasticity, in sucking liquid reserve pipe 6 through connecting pipe 1 with fluid in the oil storage tank 13, supply the lubricated liquid in the liquid reserve pipe 6.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides an excavator swing arm self-lubricating structure, includes supports mainboard (15), its characterized in that, the left end fixed mounting who supports mainboard (15) has bearing (3), the center department of bearing (3) alternates and is provided with pivot (4), pivot (4) rotate to be connected in bearing (3), fixed mounting has excavator arm (5) on pivot (4), the lower extreme of excavator arm (5) is provided with digs and grabs (11), the upper end of excavator arm (5) sets up adjustment mechanism, be provided with liquid storage pipe (6) on the lateral wall of support mainboard (15), liquid storage pipe (6) are through installation piece (7) fixed mounting on the lateral wall of support mainboard (15), sliding connection has sealed sliding plug (9) in liquid storage pipe (6), the center department fixed mounting of the right side wall of sealed sliding plug (9) has the push rod, the other end of push rod runs through the right side wall and the fixed mounting of liquid storage pipe (6) and has clamp plate (10), the left side wall fixed mounting of sealed sliding plug (9) has spring (8), spring (8) fixed mounting is on the left side wall in liquid storage pipe (6), the left end fixed mounting of liquid storage pipe (6) has the shower nozzle, the shower nozzle is just relative with bearing (3), the both ends symmetry fixed mounting of clamp plate (10) has two stay cords (2), every the equal fixed mounting of the other end of stay cord (2) is on the lateral wall of pivot (4), be provided with on the lateral wall of liquid storage pipe (6) and refuel the mechanism.
2. The excavator boom self-lubricating structure according to claim 1, wherein the adjusting mechanism comprises a telescopic cylinder (14), the right end of the telescopic cylinder (14) is rotatably connected to the upper end face of the support main plate (15), the other end of the telescopic cylinder (14) is provided with a movable rod (12), and one end of the movable rod (12) departing from the telescopic cylinder (14) is rotatably connected with the upper end of the excavator boom (5).
3. The excavator movable arm self-lubricating structure according to claim 1, wherein the oil filling mechanism comprises an oil storage tank (13), the oil storage tank (13) is fixedly mounted on the bottom end face of the support main plate (15), and an oil filling port is formed in the oil storage tank (13).
4. The excavator movable arm self-lubricating structure according to claim 3, wherein an oil pump is arranged in the oil storage tank (13), an output end of the oil pump is communicated with the liquid storage pipe (6) through a connecting pipe (1), and a second check valve is arranged in the connecting pipe (1).
5. The excavator boom self-lubricating structure according to claim 1, wherein the excavator boom (5) is a nickel-chromium alloy steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020944360.8U CN212561653U (en) | 2020-05-29 | 2020-05-29 | Excavator swing arm self-lubricating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020944360.8U CN212561653U (en) | 2020-05-29 | 2020-05-29 | Excavator swing arm self-lubricating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212561653U true CN212561653U (en) | 2021-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020944360.8U Active CN212561653U (en) | 2020-05-29 | 2020-05-29 | Excavator swing arm self-lubricating structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212561653U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047364A (en) * | 2021-03-25 | 2021-06-29 | 南京言必秋电子商务有限公司 | Loader auxiliary device for reducing excessive rust chips generated by excessive friction during rotation |
| CN113883122A (en) * | 2021-09-10 | 2022-01-04 | 无锡欧曼液压科技有限公司 | Novel ultrahigh-pressure clamp oil cylinder |
-
2020
- 2020-05-29 CN CN202020944360.8U patent/CN212561653U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047364A (en) * | 2021-03-25 | 2021-06-29 | 南京言必秋电子商务有限公司 | Loader auxiliary device for reducing excessive rust chips generated by excessive friction during rotation |
| CN113883122A (en) * | 2021-09-10 | 2022-01-04 | 无锡欧曼液压科技有限公司 | Novel ultrahigh-pressure clamp oil cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Self lubricating structure of excavator boom Effective date of registration: 20220228 Granted publication date: 20210219 Pledgee: Jining Rural Commercial Bank Co.,Ltd. high tech Zone sub branch Pledgor: JINING MAXPOWER MACHINERY Co.,Ltd. Registration number: Y2022980001959 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230111 Granted publication date: 20210219 Pledgee: Jining Rural Commercial Bank Co.,Ltd. high tech Zone sub branch Pledgor: JINING MAXPOWER MACHINERY Co.,Ltd. Registration number: Y2022980001959 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Self-lubricating structure of excavator boom Effective date of registration: 20230116 Granted publication date: 20210219 Pledgee: Jining Rural Commercial Bank Co.,Ltd. Pledgor: JINING MAXPOWER MACHINERY Co.,Ltd. Registration number: Y2023980031420 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20210219 Pledgee: Jining Rural Commercial Bank Co.,Ltd. Pledgor: JINING MAXPOWER MACHINERY Co.,Ltd. Registration number: Y2023980031420 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A self-lubricating structure for excavator boom Granted publication date: 20210219 Pledgee: Jining Rural Commercial Bank Co.,Ltd. Pledgor: JINING MAXPOWER MACHINERY Co.,Ltd. Registration number: Y2024980002026 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |