CN211816558U - Excavator slewing bearing butter pool structure, excavator slewing device and excavator - Google Patents
Excavator slewing bearing butter pool structure, excavator slewing device and excavator Download PDFInfo
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- CN211816558U CN211816558U CN202020204989.9U CN202020204989U CN211816558U CN 211816558 U CN211816558 U CN 211816558U CN 202020204989 U CN202020204989 U CN 202020204989U CN 211816558 U CN211816558 U CN 211816558U
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- slewing bearing
- excavator
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- sealing plate
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Abstract
The utility model discloses an excavator slewing bearing butter pool structure, an excavator slewing device and an excavator, wherein the butter pool structure mainly comprises a turntable large bottom plate, a cylinder, a lower sealing plate and a slewing bearing to form an annular cavity; an oil drainage port is arranged on the butter pool structure; the structural oiling mouth that still is equipped with in butter pond, the grease gun passes through the oiling mouth and annotates new butter toward butter pond structure in. The utility model discloses excavator slewing bearing butter pond structure's sealing performance is good, and the market service personnel of being convenient for change the butter.
Description
Technical Field
The utility model relates to an excavator slewing bearing butter pond structure relates to the engineering machine tool field.
Background
The excavator is generally a vertical structure in which the working device and the chassis can relatively rotate, and the connection mechanism is a slewing bearing. The outer ring of the rotary support is fixedly connected with the rotary table, the inner ring of the rotary support is fixedly connected with the chassis supporting seat, the rotary motor and the speed reducer are fixed on the rotary table, and the output gear of the rotary motor is meshed with the gear of the inner ring of the rotary support. In order to ensure better lubrication between the rotary motor and the output gear of the speed reducer and the inner ring gear of the slewing bearing when the excavator rotates, a structure for storing grease, namely a grease pool, is required to be arranged. According to the relevant parameters of the machine, enough lubricating grease is stored in the grease pool, so that the sealing requirement on the grease pool is high in order to avoid the situation that foreign matters enter the grease pool to cause gear abrasion.
Generally, the grease pool is only provided with one grease discharging port, when grease needs to be replaced in the using process of the excavator, grease discharging is carried out by removing a sealing element of the grease discharging port, and when new grease is re-injected, a pipe is generally stretched into the grease discharging port from a boarding station to perform grease discharging, but the boarding station is compact in layout and limited in space, and sometimes the grease discharging is difficult.
Disclosure of Invention
To the problem that above-mentioned prior art exists, the utility model provides an excavator slewing bearing butter pond structure has both guaranteed the sealed of butter pond, the filling of the butter of being convenient for again.
In order to achieve the above object, the present invention provides the following technical solutions:
a grease pool structure of a slewing bearing of an excavator mainly comprises a large bottom plate of a rotary table, a cylinder, a lower sealing plate and a slewing bearing, and forms an annular cavity; an oil drainage port is arranged on the butter pool structure; the structural oiling mouth that still is equipped with in butter pond, the grease gun passes through the oiling mouth and annotates new butter toward butter pond structure in.
Furthermore, the inner ring of the slewing bearing is fixed on the lower frame supporting seat to form an outer ring of a cavity; the lower sealing plate is fixed on the supporting seat to form the bottom of the cavity; the cylinder is concentric with the slewing bearing and is fixed on the lower sealing plate to form an inner ring of the cavity; the large base plate of the rotary table is connected with the outer ring of the slewing bearing to form the top of the cavity.
Further, the oil filling port consists of an oil filling hole, an oil filling seat and a sealing plate I which are positioned on the side surface of the cylinder;
the oil injection seat is inserted into the oil injection hole and welded on the side surface of the cylinder; the sealing plate I is installed on the oil injection seat and seals the oil injection hole.
Furthermore, the oil filling seat is formed by welding or integrally casting a mounting plate and an oil filling pipe; the bottom surface of the oil filling pipe is welded at the side surface of the cylinder at the oil filling hole, and the top surface of the oil filling pipe connected with the mounting plate is a plane; the mounting plate is provided with a threaded hole for mounting the sealing plate I.
Further, the sealing plate I comprises a rubber pad I and a sealing plate I, and the rubber pad I and the sealing plate I are sequentially fixed on the oil injection seat through bolts.
Further, the oil drainage port consists of an oil drainage hole and a sealing plate II which are positioned on the lower sealing plate; and the sealing plate II is arranged on the oil drainage hole and used for sealing the oil drainage hole.
Further, the sealing plate II comprises a rubber pad II and a sealing plate II, and the rubber pad II and the sealing plate II are sequentially fixed at the oil drainage hole through bolts.
Furthermore, a sealing ring is arranged on one side of the cylinder, which is in contact with the large bottom plate of the rotary table, and when the large bottom plate of the rotary table is arranged on the outer ring of the slewing bearing, the sealing ring can be extruded to seal the grease pool.
A slewing gear of an excavator comprises a slewing bearing, a rotary motor and a speed reducer, wherein an outer ring of the slewing bearing is fixedly connected with a large bottom plate of a rotary table, an inner ring of the slewing bearing is fixedly connected with a supporting seat, the rotary motor and the speed reducer are fixed on the large bottom plate of the rotary table, and an output gear of the rotary motor is meshed with a gear of the inner ring of the slewing bearing; the grease pool structure ensures that the rotary motor, the output gear of the speed reducer and the inner ring gear of the slewing bearing are lubricated when the excavator rotates.
The excavator comprises a working device and a chassis, wherein the rotating device is arranged between the working device and the chassis.
The utility model discloses beneficial effect:
the utility model provides an excavator slewing bearing butter pond structure, the leakproofness is good, and because of the design has solitary oiling structure, the change of the market service personnel to the butter of being convenient for.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation of the invention. The present invention will be described in detail with reference to the accompanying drawings and examples.
FIG. 1 is a schematic view of the assembly of the present invention;
FIG. 2 is a schematic view of the assembly of the present invention;
fig. 3 is a schematic view of the seal assembly of the present invention;
FIG. 4 is a schematic view of the structure of the oil injection seat;
FIG. 5 is a sectional view of the structure of the oil injection seat.
In the figure: 1. the rotary motor and speed reducer comprises a rotary motor and speed reducer, 2, a rotary table large bottom plate, 3, a sealing ring, 4, an oil filling seat, 5, a cylinder, 6, a lower sealing plate, 7, a slewing bearing, 8, a supporting seat, 9, rubber pads I and 10, sealing plates I and 11, rubber pads II and 12, sealing plates II and 41, mounting plates, 42 and an oil filling pipe.
Detailed Description
In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. 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. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. As shown in fig. 1, 2 and 3, the grease pool structure of the slewing bearing of the excavator mainly comprises a large bottom plate 2 of a rotary table, a cylinder 5, a lower closing plate 6 and a slewing bearing 7, and forms an annular cavity; an oil drainage port is arranged on the butter pool structure; the grease pool structure is also provided with an oil filling port, and the grease gun fills new grease into the grease pool structure through the oil filling port.
The above-mentioned annular chamber is further described below:
continuing to refer to fig. 1, the inner ring of the slewing bearing 7 is fixed on the lower frame supporting seat 8 to form an outer ring of a cavity; the lower sealing plate 6 is fixed on the supporting seat 8 to form the bottom of the cavity; the cylinder 5 is concentric with the rotary support 7 and fixed on the lower sealing plate 6 to form an inner ring of the cavity; the turntable big bottom plate 2 is connected with the outer ring of the slewing bearing 7 to form the top of the cavity.
It should be noted that the inner ring of the slewing bearing 7 is fixed on the lower frame bearing seat 8 through a bolt; the lower sealing plate 6 is welded on the supporting seat 8 in a lap joint manner; the cylinder 5 is concentric with the rotary support 7 and welded on the lower closing plate 6; the turntable big bottom plate 2 is connected with the outer ring of the slewing bearing 7 through a bolt.
The following gives a preferred embodiment of the above embodiment with respect to the oil filling spout:
with continued reference to FIG. 3, the oil injection port is composed of an oil injection hole on the side surface of the cylinder 5, an oil injection seat 4 and a sealing plate I; the oil injection seat 4 is inserted into the oil injection hole and welded on the side surface of the cylinder 5; the sealing plate I is arranged on the oil injection seat 4 and used for sealing the oil injection hole.
As shown in fig. 4 and 5, the oil filling base 4 is formed by welding or integrally casting a mounting plate 41 and an oil filling pipe 42; the bottom surface of the oil filling pipe 42 is welded at the side surface of the cylinder 5 at the oil filling hole, and the top surface of the oil filling pipe 42 connected with the mounting plate 41 is a plane; the mounting plate 41 has a threaded hole for mounting the sealing plate i.
Continuing to refer to fig. 3, the sealing plate i includes rubber pad i 9 and shrouding i 10, and rubber pad i 9 and shrouding i 10 pass through the bolt to be fixed in proper order on oiling seat 4, seal the oil filler point.
It should be noted that the above is a detailed description of the specific implementation of the present invention, but the present invention is not limited to the specific embodiments described above, which is only an example, and any equivalent modifications and substitutions of the structure of the oil filler port are also within the scope of the present invention for those skilled in the art.
The following gives a preferred embodiment of the above embodiment with respect to the oil drain port:
with continued reference to fig. 3, the oil drain port is composed of an oil drain hole on the lower seal plate 6 and a seal plate ii; and the sealing plate II is arranged on the oil drainage hole and used for sealing the oil drainage hole. The sealing plate II comprises a rubber pad II 11 and a sealing plate II 12, and the rubber pad II 11 and the sealing plate II 12 are sequentially fixed at the oil drainage hole through bolts to seal the oil drainage hole.
It should be noted that the above is a detailed description of the specific implementation of the present invention, but the present invention is not limited to the above-described specific embodiments, which are only examples, and any equivalent modifications and substitutions for the structure of the oil drainage port are also included in the scope of the present invention for those skilled in the art.
Further scheme: as shown in figure 1, a sealing ring 3 is arranged on one side of a cylinder 5, which is in contact with a large bottom plate 2 of a rotary table, and when the large bottom plate 2 of the rotary table is arranged on an outer ring of a slewing bearing 7, the sealing ring 3 is pressed to realize the sealing of a grease pool.
The utility model also provides an excavator slewer, including slewing bearing 7, rotary motor and speed reducer 1, slewing bearing 7 outer lane and big bottom plate 2 fixed connection of revolving stage, slewing bearing 7 inner lane and bearing 8 fixed connection, rotary motor and speed reducer 1 fix on big bottom plate 2 of revolving stage, its output gear meshes with slewing bearing 7 inner lane gear; the grease pool structure is arranged, so that lubrication between the rotary motor and the output gear of the speed reducer 1 and the inner ring gear of the slewing bearing 7 is ensured when the excavator rotates.
The utility model also provides an excavator, including equipment and chassis, install foretell slewer between equipment and chassis.
When the excavator works normally, the rotary motor and the speed reducer 1 are fixed on the large base plate 2 of the rotary table, the output gear of the rotary motor and the speed reducer is positioned in the grease pool and is meshed with the inner ring gear of the slewing bearing 7, and enough grease ensures better meshing between the rotary motor and the speed reducer and also provides enough lubrication for the slewing bearing 7. When the rotary motor and the speed reducer 1 or the slewing bearing 7 need to be maintained, the rubber pad II 11 and the sealing plate II 12 at the oil drainage port are removed, and the grease can be completely discharged from the oil drainage port; when need filling new butter toward butter pond, fix rubber pad II 11 and shrouding II 12, demolish rubber pad I9 and shrouding I10, the grease gun carries out the butter filling through oil filler pipe 42, seals rubber pad I9 and shrouding I10 at last, guarantees sealedly.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (10)
1. A grease pool structure of a slewing bearing of an excavator mainly comprises a large bottom plate of a rotary table, a cylinder, a lower sealing plate and a slewing bearing, and forms an annular cavity; an oil drainage port is arranged on the butter pool structure;
the method is characterized in that:
the structural oiling mouth that still is equipped with in butter pond, the grease gun passes through the oiling mouth and annotates new butter toward butter pond structure in.
2. The excavator slewing bearing butter pool structure of claim 1, wherein:
the inner ring of the slewing bearing is fixed on the lower frame supporting seat to form an outer ring of a cavity;
the lower sealing plate is fixed on the supporting seat to form the bottom of the cavity;
the cylinder is concentric with the slewing bearing and is fixed on the lower sealing plate to form an inner ring of the cavity;
the large base plate of the rotary table is connected with the outer ring of the slewing bearing to form the top of the cavity.
3. The excavator slewing bearing butter pool structure of claim 1, wherein:
the oil filling port consists of an oil filling hole, an oil filling seat and a sealing plate I which are positioned on the side surface of the cylinder;
the oil injection seat is inserted into the oil injection hole and welded on the side surface of the cylinder;
the sealing plate I is installed on the oil injection seat and seals the oil injection hole.
4. The excavator slewing bearing butter pool structure of claim 3, wherein:
the oil filling seat is formed by welding or integrally casting a mounting plate and an oil filling pipe;
the bottom surface of the oil filling pipe is welded at the side surface of the cylinder at the oil filling hole, and the top surface of the oil filling pipe connected with the mounting plate is a plane;
the mounting plate is provided with a threaded hole for mounting the sealing plate I.
5. The excavator slewing bearing butter pool structure of claim 3, wherein:
the sealing plate I comprises a rubber pad I and a sealing plate I, and the rubber pad I and the sealing plate I are sequentially fixed on the oil injection seat through bolts.
6. The excavator slewing bearing butter pool structure of claim 1, wherein:
the oil drainage port consists of an oil drainage hole positioned on the lower sealing plate and a sealing plate II;
and the sealing plate II is arranged on the oil drainage hole and used for sealing the oil drainage hole.
7. The excavator slewing bearing butter pool structure of claim 6, wherein:
and the sealing plate II comprises a rubber pad II and a sealing plate II, and the rubber pad II and the sealing plate II are sequentially fixed at the oil drainage hole through bolts.
8. The excavator slewing bearing butter pool structure of claim 1, wherein:
and a sealing ring is arranged on one side of the cylinder, which is in contact with the large bottom plate of the rotary table, and the sealing ring can be extruded when the large bottom plate of the rotary table is arranged on the outer ring of the slewing bearing, so that the sealing of the butter pool is realized.
9. A slewing gear of an excavator comprises a slewing bearing, a rotary motor and a speed reducer, wherein an outer ring of the slewing bearing is fixedly connected with a large bottom plate of a rotary table, an inner ring of the slewing bearing is fixedly connected with a supporting seat, the rotary motor and the speed reducer are fixed on the large bottom plate of the rotary table, and an output gear of the rotary motor is meshed with a gear of the inner ring of the slewing bearing;
the method is characterized in that:
the grease pool structure of any one of claims 1 to 8 is installed to ensure that the rotary motor and the output gear of the speed reducer are lubricated with the inner ring gear of the slewing bearing when the excavator works and rotates.
10. An excavator, includes work device and chassis, its characterized in that: a swivel arrangement as claimed in claim 9 mounted between the working device and the chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020204989.9U CN211816558U (en) | 2020-02-25 | 2020-02-25 | Excavator slewing bearing butter pool structure, excavator slewing device and excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020204989.9U CN211816558U (en) | 2020-02-25 | 2020-02-25 | Excavator slewing bearing butter pool structure, excavator slewing device and excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211816558U true CN211816558U (en) | 2020-10-30 |
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ID=72998419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020204989.9U Active CN211816558U (en) | 2020-02-25 | 2020-02-25 | Excavator slewing bearing butter pool structure, excavator slewing device and excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211816558U (en) |
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2020
- 2020-02-25 CN CN202020204989.9U patent/CN211816558U/en active Active
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