CN110616765A - Slewing bearing mounting structure and excavator - Google Patents
Slewing bearing mounting structure and excavator Download PDFInfo
- Publication number
- CN110616765A CN110616765A CN201910907196.5A CN201910907196A CN110616765A CN 110616765 A CN110616765 A CN 110616765A CN 201910907196 A CN201910907196 A CN 201910907196A CN 110616765 A CN110616765 A CN 110616765A
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- CN
- China
- Prior art keywords
- slewing bearing
- frame
- mounting structure
- backing plate
- bearing mounting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 description 11
- 238000005096 rolling process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
- E02F9/12—Slewing or traversing gears
- E02F9/121—Turntables, i.e. structure rotatable about 360°
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention provides a slewing bearing mounting structure and an excavator, and relates to the technical field of slewing bearings. Through adopting the backing plate to replace the base among the prior art for whole height reduces, simultaneously, through setting up fixed cover, and establish fixed cover on the outer lane, make the outer lane be connected with fixed cover, further reduced whole mounting structure's height, reduced the focus of vehicle, and then promoted whole vehicle's stability. Compared with the prior art, the slewing bearing mounting structure provided by the invention can obviously reduce the height of a vehicle body and improve the stability of the vehicle.
Description
Technical Field
The invention relates to the technical field of slewing bearings, in particular to a slewing bearing mounting structure and an excavator.
Background
The slewing bearing is a force transmission basic element which needs to rotate relatively between two parts of a machine and simultaneously bears axial force, radial force and overturning moment, and the slewing bearing has the basic functions of transmitting force and transmission to realize the relative rotation between the two parts of the mechanical equipment. Generally, the slewing bearing is provided with a mounting hole, a lubricating hole and a sealing device, has the characteristics of compact structure, easy installation and maintenance and the like, can meet the requirements of various mechanical slewing mechanisms on different slewing working conditions, and is widely applied to large slewing devices such as hoisting and transporting machinery, constructional engineering machinery, wind driven generators and the like. The hydraulic excavator relatively rotates between the upper vehicle and the lower vehicle, and the connecting mechanism is a slewing bearing.
The existing slewing bearing mounting structure is as follows: the inner ring of the slewing bearing is connected with a base welded on the lower frame through a bolt, the outer ring of the slewing bearing is connected with the platform through a bolt, and the inner ring and the outer ring move relatively through a rolling bearing. Due to the existence of the base, the outer ring is directly connected with the platform through the bolt, the installation structure enables the vehicle body to be high and possibly exceed the height requirement of road transportation, and meanwhile, the stability of the vehicle is poor.
In view of this, it is important to design and manufacture a pivoting support mounting structure capable of significantly reducing the height of the vehicle body and improving the stability of the vehicle.
Disclosure of Invention
The invention aims to provide a slewing bearing mounting structure which can remarkably reduce the height of a vehicle body and improve the stability of the vehicle through structural improvement.
Another object of the present invention is to provide an excavator having a low height of a vehicle body and good stability.
The invention is realized by adopting the following technical scheme.
In one aspect, the invention provides a slewing bearing mounting structure, which comprises an upper frame, a base plate, a slewing bearing, a fixing sleeve and a lower frame, wherein the fixing sleeve is fixedly arranged at the bottom of the upper frame, the base plate is fixedly arranged at the top of the lower frame, the slewing bearing is arranged on the base plate and comprises an inner ring and an outer ring, the fixing sleeve is sleeved outside the outer ring and detachably connected with the outer ring, and the inner ring is arranged on the base plate and detachably connected with the base plate.
Further, the lower frame comprises a frame base and a frame cover plate arranged on the frame base, and the base plate is fixedly arranged on the frame cover plate.
Furthermore, a plurality of first through holes are formed in the inner ring along the axial direction, a plurality of second through holes are formed in the base plate, a plurality of first screw holes are formed in the frame cover plate, each first through hole is internally provided with a first bolt, and the first bolts sequentially penetrate through the first through holes and the second through holes and extend into the first screw holes, so that the inner ring, the base plate and the frame cover plate are relatively fixed.
Further, the frame apron includes installation department and a plurality of arch stabilizer blade, and is a plurality of the arch stabilizer blade sets up all around the installation department and slope downwards with the frame base is connected, so that the below of installation department forms the assembly cavity, it is a plurality of to have seted up on the installation department first screw and with the connection can be dismantled to the backing plate.
Furthermore, a first mounting hole is formed in the middle of the mounting portion, a second mounting hole is formed in the middle of the backing plate, and the axis of the first mounting hole coincides with the axis of the second mounting hole.
Further, the base plate is welded on the frame cover plate, and the outer diameter of the base plate is the same as that of the inner ring.
Furthermore, a plurality of second screw holes are formed in the outer peripheral surface of the outer ring, a plurality of third screw holes are formed in the outer peripheral surface of the fixing sleeve, a second bolt is arranged in each third screw hole, and the second bolt penetrates through the third screw holes and extends into the second screw holes so that the outer ring and the fixing sleeve are kept relatively fixed.
Further, the axial width of the fixing sleeve is the same as the axial width of the outer ring.
Further, the fixed sleeve is welded on the bottom surface of the upper frame.
In another aspect, the invention provides an excavator, which comprises a slewing bearing mounting structure, wherein the slewing bearing mounting structure comprises an upper frame, a base plate, a slewing bearing, a fixing sleeve and a lower frame, the fixing sleeve is fixedly arranged at the bottom of the upper frame, the base plate is fixedly arranged at the top of the lower frame, the slewing bearing is arranged on the base plate, the slewing bearing comprises an inner ring and an outer ring, the fixing sleeve is sleeved outside the outer ring and is detachably connected with the outer ring, and the inner ring is arranged on the base plate and is detachably connected with the base plate.
The invention has the following beneficial effects:
according to the slewing bearing mounting structure provided by the invention, the base plate is fixedly arranged on the lower frame, the inner ring of the slewing bearing is detachably arranged on the base plate, the fixing sleeve is fixedly arranged at the bottom of the upper frame and is sleeved outside the outer ring of the slewing bearing, so that the outer ring of the slewing bearing is detachably connected with the fixing sleeve. Through adopting the backing plate to replace the base among the prior art, make whole height reduce, simultaneously, through setting up fixed cover, and establish fixed cover on the outer lane, make outer lane and fixed cover be connected, thereby realize the connection on upper portion, need not outer lane and last frame between lug connection, the increase in height of having avoided because connection structure between outer lane and the last frame brings, this has further reduced whole mounting structure's height, the focus of vehicle has been reduced, and then whole vehicle's stability has been promoted. Compared with the prior art, the slewing bearing mounting structure provided by the invention can obviously reduce the height of a vehicle body and improve the stability of the vehicle.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic overall structural view of a slewing bearing mounting structure according to a first embodiment of the present invention;
fig. 2 is an overall structural sectional view of a slewing bearing mounting structure provided in a first embodiment of the present invention;
FIG. 3 is a schematic view of the construction of the pad of FIG. 1;
FIG. 4 is a schematic view of the structure of the deck plate of FIG. 2;
FIG. 5 is a schematic view of a connection structure of the slewing bearing of FIG. 2;
fig. 6 is a schematic view of a partial connection structure of the slewing bearing of fig. 5.
Icon: 100-slewing bearing mounting structure; 110-an upper frame; 130-a backing plate; 131-a second via; 133-a first bolt; 150-a slew bearing; 151-inner ring; 153-outer lane; 155-a first via; 157-a second screw hole; 170-fixing sleeve; 171-a third screw hole; 173-second bolt; 190-a lower frame; 191-a frame base; 193-frame cover plate; 194-a first screw hole; 195-a mounting portion; 197-arcuate feet.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships conventionally put on the products of the present invention when used, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As disclosed in the background art, the base is adopted in the prior art, the bearing outer ring is directly connected with the upper frame, the base is mainly connected with the upper frame through bolts, the installation direction is along the vertical direction, the height of the base cannot be too low in order to ensure the installation space, meanwhile, the height of the whole installation structure is increased through the installation structure of the bolts, and therefore the height of the whole vehicle body is difficult to reduce undoubtedly, and the stability of the vehicle body is poor.
According to the slewing bearing mounting structure provided by the invention, the structure is improved, the base is removed and replaced by the base plate, and meanwhile, the outer ring is additionally fixed by the fixing sleeve, so that the height of a vehicle body is greatly reduced, and the stability of the vehicle is good.
Some embodiments of the invention are described in detail below with reference to the accompanying drawings. Features in the embodiments described below may be combined with each other without conflict.
First embodiment
Referring to fig. 1 to 6 in combination, the present embodiment provides a slewing bearing mounting structure 100 capable of reducing the height of a vehicle body, thereby improving the stability of the vehicle.
The slewing bearing mounting structure 100 provided by the embodiment comprises an upper frame 110, a base plate 130, a slewing bearing 150, a fixing sleeve 170 and a lower frame 190, wherein the fixing sleeve 170 is fixedly arranged at the bottom of the upper frame 110, the base plate 130 is fixedly arranged at the top of the lower frame 190, the slewing bearing 150 is arranged on the base plate 130, the slewing bearing 150 comprises an inner ring 151 and an outer ring 153, the fixing sleeve 170 is sleeved outside the outer ring 153 and detachably connected with the outer ring 153, and the inner ring 151 is arranged on the base plate 130 and detachably connected with the base plate 130.
In the present embodiment, the upper frame 110 is a rotating platform, the lower frame 190 is a fixed platform, and the slewing bearing mounting structure 100 provided in the present embodiment is used for being mounted on an excavator, but the excavator is merely illustrated and is not limited herein, and the slewing bearing mounting structure 100 may also be mounted on large slewing devices such as various hoisting and transporting machines, construction machines, wind turbines, and the like.
The slewing bearing mounting structure 100 that this embodiment provided fixes outer lane 153 through additionally setting up fixed cover 170, has avoided outer lane 153 directly to be connected with last frame 110 through the bolt, replaces the base with backing plate 130 simultaneously, greatly reduced whole mounting structure's height, and then has reduced the height of vehicle, has promoted the stability of vehicle.
It should be noted that the present embodiment provides the mentioned basic structure and operation principle of the slewing bearing 150 similar to the existing slewing bearing 150, and rolling bodies are arranged between the inner ring 151 and the outer ring 153 thereof, and can simultaneously bear axial force, radial force and overturning moment.
The lower frame 190 includes a frame base 191 and a frame cover 193 disposed on the frame base 191, and the pad 130 is fixedly disposed on the frame cover 193. Specifically, frame cover 193 is welded to frame base 191 and protrudes upward, backing plate 130 is fixedly attached to the upper surface of frame cover 193, and inner ring 151 of slew bearing 150 is detachably connected to backing plate 130, so that frame cover 193, backing plate 130, and inner ring 151 of slew bearing 150 can be kept relatively fixed.
In this embodiment, the inner ring 151 has a plurality of first through holes 155 along the axial direction, the backing plate 130 has a plurality of second through holes 131, the frame cover 193 has a plurality of first screw holes 194, each first through hole 155 has a first bolt 133, and the first bolt 133 sequentially passes through the first through hole 155 and the second through hole 131 and extends into the first screw hole 194, so that the inner ring 151, the backing plate 130, and the frame cover 193 are fixed relatively.
In other preferred embodiments of this embodiment, a plurality of pins may be disposed at the bottom of the inner ring 151 of the slewing bearing 150, and the pins sequentially pass through the shim plate 130 and the frame cover 193, so that the inner ring 151, the shim plate 130 and the frame cover 193 are relatively fixed during rotation. In this embodiment, the detachable connection manner between the inner ring 151 and the backing plate 130 is not limited to a bolt connection or a pin connection, and may be other detachable connection manners, which are not limited in detail herein.
The frame cover 193 includes a mounting portion 195 and a plurality of arched support legs 197, the arched support legs 197 are disposed around the mounting portion 195 and are connected to the frame base 191 obliquely downward, so that an assembly cavity is formed below the mounting portion 195, and the mounting portion 195 is provided with a plurality of first screw holes 194 and is detachably connected to the backing plate 130.
In this embodiment, the mounting part 195 and the plurality of arcuate legs 197 are integrally formed, the plurality of arcuate legs 197 are welded to the frame base 191, and the mounting part 195 is upwardly arched by the support of the plurality of arcuate legs 197, thereby forming a fitting cavity at the lower portion.
It should be noted that, in this embodiment, the first screw hole 194 formed in the frame cover 193 is matched with and fixed to the bottom of the first bolt 133, so that the first bolt 133 is fixed in the vertical direction, and the first bolt 133 is prevented from falling off in the vertical direction due to shaking in the rotating process. And the end of the first bolt 133 passes through the first screw hole 194 and is fixed by a nut installed in the fitting cavity, further fixing the first bolt 133.
In this embodiment, a first mounting hole is formed in the middle of the mounting portion 195, a second mounting hole is formed in the middle of the backing plate 130, and the axis of the first mounting hole coincides with the axis of the second mounting hole. Through setting up first mounting hole and second mounting hole, can conveniently set up the rotatory dabber in frame base 191 center and pass through. Specifically, the first mounting hole and the second mounting hole are also coaxial with the inner ring 151, and the rotating mandrel can sequentially pass through the first mounting hole and the second mounting hole and extend into the inner ring 151, so that connection with the inner ring 151 is achieved.
It should be noted that, in this embodiment, the inner circumferential surface of the inner ring 151 is further provided with a mounting ring tooth, and the outer circumferential surface of the top end of the mounting mandrel is provided with a ring convex tooth matched with the mounting ring tooth, so that the inner ring 151 can be sleeved on the top end of the mounting mandrel and is kept relatively fixed with the mounting mandrel.
In this embodiment, the shim plate 130 is welded to the frame cover 193, and the outer diameter of the shim plate 130 is the same as the outer diameter of the inner race 151. In other preferred embodiments of the present invention, the pad 130 may be connected and fixed to the frame cover 193 by bolts through additional screw holes, which are not limited in this respect.
In this embodiment, the outer ring 153 has a plurality of second screw holes 157 formed on its outer peripheral surface, the fixing sleeve 170 has a plurality of third screw holes 171 formed on its outer peripheral surface, each third screw hole 171 has a second bolt 173, and the second bolt 173 passes through the third screw hole 171 and extends into the second screw hole 157, so that the outer ring 153 and the fixing sleeve 170 are relatively fixed. Specifically, the second bolt 173 radially passes through the third screw hole 171 from the outside to the inside and extends into the second screw hole 157, and is engaged with the second screw hole 157, so that the fixing sleeve 170 and the outer ring 153 are kept relatively fixed.
In this embodiment, the third screw hole 171 is a through hole, and the second screw hole 157 is a blind hole formed in the outer peripheral surface of the outer ring 153, so that the end of the second bolt 173 is connected only to the outer ring 153 and does not affect the rotation of the rolling elements and the inner ring 151.
In this embodiment, the axial width of the fixing sleeve 170 is the same as the axial width of the outer ring 153, so that the fixing sleeve 170 can cover the outer ring 153 without increasing the axial height, and the fixing sleeve 170 is prevented from being too wide to affect the installation.
In the present embodiment, the fixing sleeve 170 is welded to the bottom surface of the upper frame 110. Specifically, the upper end surface of the fixing sleeve 170 is welded to the bottom surface of the upper frame 110, so that the fixing sleeve 170 is fixedly disposed on the upper frame 110. In other preferred embodiments of the present invention, the fixing sleeve 170 may be integrally formed with the bottom plate of the upper frame 110, or the fixing sleeve 170 is fixed to the bottom plate of the upper frame 110 by a pin, and the fixing manner of the fixing sleeve 170 is not particularly limited herein.
In summary, in the slewing bearing mounting structure 100 according to the present embodiment, the shim plate 130 is welded to the frame cover 193, the first screw hole 194 is processed in the frame cover 193, and the inner ring 151 of the slewing bearing 150, the shim plate 130 and the frame cover 193 are fixed from top to bottom by the first bolt 133, so as to fix the inner ring 151; a fixing sleeve 170 having a third screw hole 171 formed in a side surface thereof is welded to the bottom of the upper frame 110, and the fixing sleeve 170 and the outer ring 153 are fixed to each other from the outside to the inside by a second bolt 173. Therefore, the connecting and rotating function between the upper frame 110 and the lower frame 190 is realized, and the height of the whole machine is reduced. The working principle is as follows: when the upper frame 110 needs to rotate, the fixing sleeve 170 rotates synchronously and drives the outer ring 153 to rotate around the inner ring 151 by using the rolling bodies, and the inner ring 151, the cushion plate 130 and the lower frame 190 are kept fixed, so that the connection rotation between the upper frame 110 and the lower frame 190 is realized. Compared with the prior art, the slewing bearing mounting structure 100 provided by the embodiment effectively reduces the height of the whole structure by arranging the base plate 130, additionally arranges the fixing sleeve 170, realizes the fixation between the fixing sleeve 170 and the outer ring 153 in a radial fixing mode, avoids mounting a bolt in the axial direction of the outer ring 153, further reduces the height of the whole structure, further reduces the height of a vehicle, and improves the stability of the vehicle.
Second embodiment
The present embodiment provides an excavator comprising a moving vehicle body, a slewing vehicle body and a slewing bearing mounting structure 100, wherein the slewing vehicle body is rotatably connected with the moving vehicle body through the slewing bearing mounting structure 100. The basic structure and principle of the slewing bearing mounting structure 100 and the technical effects thereof are the same as those of the first embodiment, and for the sake of brief description, no part of this embodiment is mentioned, and reference may be made to the corresponding contents in the first embodiment.
Slewing bearing mounting structure 100 includes frame 110, backing plate 130, slewing bearing 150, fixed cover 170 and frame 190 down, and fixed cover 170 is fixed to be set up in the bottom of frame 110 last, and backing plate 130 is fixed to be set up at the top of frame 190 down, and slewing bearing 150 sets up on backing plate 130, and slewing bearing 150 includes inner circle 151 and outer lane 153, and fixed cover 170 overlaps outside outer lane 153 and can dismantle with outer lane 153 and be connected, and inner circle 151 sets up on with backing plate 130 to can dismantle with backing plate 130 and be connected. The upper frame 110 is connected to the swing car body, and the lower frame 190 is connected to the movable car body.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a slewing bearing mounting structure, its characterized in that, includes frame, backing plate, slewing bearing, fixed cover and gets off the frame, fixed cover sets up the bottom at last frame, the backing plate sets up the top of frame under, slewing bearing sets up on the backing plate, just slewing bearing includes inner circle and outer lane, fixed cover is established outside the outer lane, and with the connection can be dismantled to the outer lane, the inner circle set up with on the backing plate, and with the connection can be dismantled to the backing plate.
2. The slewing bearing mounting structure of claim 1, wherein the lower frame comprises a frame base and a frame cover plate arranged on the frame base, and the backing plate is fixedly arranged on the frame cover plate.
3. The slewing bearing mounting structure according to claim 2, wherein the inner ring is provided with a plurality of first through holes along an axial direction, the backing plate is provided with a plurality of second through holes, the frame cover plate is provided with a plurality of first screw holes, each first through hole is provided with a first bolt, and the first bolts sequentially pass through the first through holes and the second through holes and extend into the first screw holes, so that the inner ring, the backing plate and the frame cover plate are kept relatively fixed.
4. The slewing bearing mounting structure of claim 3, wherein the frame cover plate comprises a mounting portion and a plurality of arched support legs, the arched support legs are arranged around the mounting portion and are connected with the frame base in an inclined and downward mode, so that an assembly cavity is formed below the mounting portion, and the mounting portion is provided with a plurality of first screw holes and is detachably connected with the backing plate.
5. The slewing bearing mounting structure according to claim 4, wherein a first mounting hole is formed in the middle of the mounting portion, a second mounting hole is formed in the middle of the backing plate, and the axis of the first mounting hole coincides with the axis of the second mounting hole.
6. The slewing bearing mounting structure according to claim 2, wherein the shim plate is welded to the frame cover plate, and an outer diameter of the shim plate is the same as an outer diameter of the inner ring.
7. The slewing bearing mounting structure according to claim 1, wherein a plurality of second screw holes are formed in an outer peripheral surface of the outer ring, a plurality of third screw holes are formed in an outer peripheral surface of the fixing bushing, and a second bolt is disposed in each third screw hole, and passes through the third screw hole and extends into the second screw hole, so that the outer ring and the fixing bushing are relatively fixed.
8. The slewing bearing mounting structure of claim 7, wherein the axial width of the retaining sleeve is the same as the axial width of the outer race.
9. The slewing bearing mounting structure of claim 1, wherein the retaining bushing is welded to a bottom surface of the upper frame.
10. An excavator comprising a slewing bearing mounting structure as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910907196.5A CN110616765A (en) | 2019-09-24 | 2019-09-24 | Slewing bearing mounting structure and excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910907196.5A CN110616765A (en) | 2019-09-24 | 2019-09-24 | Slewing bearing mounting structure and excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110616765A true CN110616765A (en) | 2019-12-27 |
Family
ID=68924297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910907196.5A Pending CN110616765A (en) | 2019-09-24 | 2019-09-24 | Slewing bearing mounting structure and excavator |
Country Status (1)
| Country | Link |
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| CN (1) | CN110616765A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0158831U (en) * | 1987-10-09 | 1989-04-13 | ||
| JP2009133065A (en) * | 2007-11-28 | 2009-06-18 | Caterpillar Japan Ltd | Rotation mechanism of construction machine |
| CN202322128U (en) * | 2011-12-01 | 2012-07-11 | 郑州市长城机器制造有限公司 | Slewing mechanism |
| JP2012219552A (en) * | 2011-04-12 | 2012-11-12 | Hitachi Constr Mach Co Ltd | Construction machine |
| CN203669001U (en) * | 2013-12-10 | 2014-06-25 | 山河智能装备股份有限公司 | Slewing bearing installation structure of single-bucket hydraulic excavator |
| CN104828720A (en) * | 2014-10-27 | 2015-08-12 | 北汽福田汽车股份有限公司 | Revolved support assembly and engineering machine therewith |
| CN206219094U (en) * | 2016-10-14 | 2017-06-06 | 北汽福田汽车股份有限公司 | A kind of vehicle and its rotary supporting device |
| CN207161537U (en) * | 2017-09-01 | 2018-03-30 | 洛阳普瑞森精密轴承有限公司 | A kind of pivoting support bearing of radially installed |
| CN210636499U (en) * | 2019-09-24 | 2020-05-29 | 上海三一重机股份有限公司 | Slewing bearing mounting structure and excavator |
-
2019
- 2019-09-24 CN CN201910907196.5A patent/CN110616765A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0158831U (en) * | 1987-10-09 | 1989-04-13 | ||
| JP2009133065A (en) * | 2007-11-28 | 2009-06-18 | Caterpillar Japan Ltd | Rotation mechanism of construction machine |
| JP2012219552A (en) * | 2011-04-12 | 2012-11-12 | Hitachi Constr Mach Co Ltd | Construction machine |
| CN202322128U (en) * | 2011-12-01 | 2012-07-11 | 郑州市长城机器制造有限公司 | Slewing mechanism |
| CN203669001U (en) * | 2013-12-10 | 2014-06-25 | 山河智能装备股份有限公司 | Slewing bearing installation structure of single-bucket hydraulic excavator |
| CN104828720A (en) * | 2014-10-27 | 2015-08-12 | 北汽福田汽车股份有限公司 | Revolved support assembly and engineering machine therewith |
| CN206219094U (en) * | 2016-10-14 | 2017-06-06 | 北汽福田汽车股份有限公司 | A kind of vehicle and its rotary supporting device |
| CN207161537U (en) * | 2017-09-01 | 2018-03-30 | 洛阳普瑞森精密轴承有限公司 | A kind of pivoting support bearing of radially installed |
| CN210636499U (en) * | 2019-09-24 | 2020-05-29 | 上海三一重机股份有限公司 | Slewing bearing mounting structure and excavator |
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