CN214784338U

CN214784338U - Water inlet prevention structure of grease pool for excavator

Info

Publication number: CN214784338U
Application number: CN202121444289.8U
Authority: CN
Inventors: 王霞霞; 王宾; 王德永; 宗震宇; 张盼; 刘海栋; 冯伟; 刘虹
Original assignee: LOVOL Engineering Machinery Group Co Ltd
Current assignee: Lovol Heavy Industry Group Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2021-11-19
Anticipated expiration: 2031-06-28

Abstract

The utility model discloses a structure of intaking is prevented with butter pond to excavator, including frame and rotary platform down, rotate through slewing bearing between frame and the rotary platform and be connected down, be equipped with the locating plate of sealing in slewing bearing inner circle bottom on the frame down, the centre of locating plate is provided with circular opening, and the circular opening part of upper surface ring of locating plate is provided with and keeps off the ring, keeps off and is equipped with the sealing washer on the ring, is provided with the swivel joint installing port on the rotary platform directly over the circular opening, and swivel joint installing port department is provided with drainage mechanism. The utility model discloses simple structure, simple to operate cooperatees through locating plate, fender ring, sealing washer and slewing bearing inner circle four and forms the butter pond, can effectively guarantee the lubrication between the gear on slewing bearing inner circle gear and the slewing motor, and simultaneously, drainage mechanism cooperatees with the sealing washer, can prevent effectively that rainwater, greasy dirt and grit from entering into the butter pond, has avoided the butter in the butter pond to dilute or the situation of pollution to take place.

Description

Water inlet prevention structure of grease pool for excavator

Technical Field

The utility model relates to an excavator equipment technical field, concretely relates to structure of intaking is prevented with butter pond to excavator.

Background

The existing internal-meshing slewing bearing of the mechanical gear is an indispensable key part of the excavator, and in order to ensure the lubrication of the excavator during working and slewing, an oil storage component which is adaptive to the internal-meshing slewing bearing is required to be arranged; enough lubricating grease is stored in the oil storage component, so that abnormal abrasion of the rotary gear caused by entering of foreign matters can be avoided, and the dustproof and antifouling functions are important; meanwhile, when the excavator runs into the weather with more rainwater in outdoor work, the rainwater can enter the oil storage component along the lower bottom surface of the rotary platform, and the grease is emulsified and thinned.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an excavator is with butter pond structure of preventing intaking to above problem.

In order to achieve the purpose, the utility model discloses a structure of intaking is prevented with butter pond to excavator, including the rotary platform of frame and lower frame top down, rotate through slewing bearing between frame and the rotary platform down and be connected, slewing bearing's inner circle is connected with lower frame, and slewing bearing's outer lane is connected with slewing platform, and its structural feature is that be equipped with the locating plate of sealing in slewing bearing inner circle bottom on the frame down, and the intermediate position department of locating plate is provided with circular opening, the circular opening part of upper surface ring of locating plate is provided with the fender ring, is provided with the sealing washer along the upside edge that keeps off the ring, be provided with the rotary joint installing port on the rotary platform directly over circular opening, rotary joint installing port department is provided with drainage mechanism.

Adopt above-mentioned structure, through the locating plate, keep off the ring, four of sealing washer and slewing bearing inner circle cooperate and form ring shape cavity, add butter in ring shape cavity and form the butter pond, can effectively guarantee the lubrication between the gear on slewing bearing inner circle gear and the rotary motor, thereby the drainage circle of keeping off the ring installation can effectively prevent that greasy dirt or dust from getting into the butter pond and polluting the butter pond, drainage mechanism at the installation of swivel joint installing port department, can effectually introduce the lower carriage with the rainwater on the slewing platform, the lower bottom surface of having avoided the rainwater along slewing platform gets into the butter pond, dilute the butter in the butter pond.

Preferably, the drainage mechanism includes that the drainage circle keeps off the platform with the annular that sets up drainage circle outer wall, the up end that the platform was kept off to the annular keeps off the upside of platform and drainage circle along being level with each other, keeps off the platform through the annular and can conveniently install drainage mechanism in rotary joint installing port department.

Preferably, the external diameter of drainage circle suits with the diameter of rotary joint installing port, and the annular keeps off the platform and connects the rotary platform upper surface at rotary joint installing port department, the drainage circle highly is greater than rotary platform's of rotary joint installing port department thickness along rotary joint installing port inner wall downwardly extending and drainage circle, and the thickness that highly is greater than rotary platform of drainage circle can introduce the greasy dirt or the rainwater of rotary platform upper surface down on the frame effectively to the pollution or the dilution in butter pond have been avoided.

Preferably, the diameter of the baffle ring is larger than that of the rotary joint mounting opening, the central axis of the rotary joint mounting opening and the central axis of the circular opening are located on the same straight line, and the circular opening corresponds to the rotary joint mounting opening, so that the rotary joint can be conveniently mounted on the lower frame.

Preferably, keep off the ring and be the shaping of buckling of bar baffle an organic whole, keep off the internal diameter of ring and be greater than circular open-ended diameter, the height that keeps off the ring highly suits according to the sealing washer size with slewing bearing inner circle, keeps off the high bottom surface setting under can being close to rotary platform of highly higher and keeping off the ring, can prevent effectively that greasy dirt or graininess debris from entering into the butter pond and polluting the butter.

Preferably, the rotary platform upper surface is equipped with the annular groove along the rotary joint installing port periphery, the diameter size of annular groove suits with the external diameter size that the annular kept off the platform, and the annular groove keeps off the platform with the annular and cooperatees, makes the rotary platform upper mounting plate level and smooth, makes things convenient for rainwater and greasy dirt to flow down the frame along drainage mechanism, outside the excavator is flowed along the space of frame down.

Preferably, the lower end face of the sealing ring is provided with a clamping groove matched with the upper side edge of the baffle ring, and the upper body of the sealing ring is attached to the lower bottom face of the rotary platform.

Preferably, a rotary joint mounting seat is fixedly connected to the lower frame right below the rotary joint mounting port, and a rotary motor mounting port is formed in one side, located at the rotary joint mounting port, of the upper surface of the rotary platform.

To sum up, the beneficial effects of the utility model reside in that: the utility model discloses simple structure, simple to operate, through the locating plate, keep off the ring, four people of sealing washer and slewing bearing inner circle cooperate and form ring shape cavity, add the butter in ring shape cavity and form the butter pond, can effectively guarantee the lubrication between the gear on slewing bearing inner circle gear and the swing motor, and simultaneously, drainage mechanism and sealing washer cooperate, can prevent rainwater, greasy dirt and grit effectively and enter into the butter pond, have avoided the butter in the butter pond to dilute or the situation of pollution to take place.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the drainage mechanism of the present invention.

In the figure: 1. a lower frame; 2. a rotating platform; 3. an inner ring; 4. an outer ring; 5. positioning a plate; 6. a circular opening; 7. a baffle ring; 8. a seal ring; 9. a swivel joint mounting port; 10. a drainage mechanism; 11. a drainage ring; 12, an annular blocking table; 13. an annular groove; 14. a swivel joint mount; 15. a mounting port of the rotary motor.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

In the description of the present application, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection or a removable connection unless expressly stated or limited otherwise. The following is a description of preferred embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1, the utility model discloses a lower frame 1 and the rotary platform 2 above lower frame 1, rotate through the slewing bearing and be connected between lower frame 1 and rotary platform 2, during the design, the lower bottom surface of rotary platform 2 is connected with the upper surface of slewing bearing's outer lane 4, and the lower bottom surface of slewing bearing inner circle 3 is connected with lower frame 1, make its outer lane 4 rotatory, inner circle 3 plays the fixed support effect, there is certain clearance in the lower bottom surface of rotary platform 2 and slewing bearing's inner circle 3 during the preparation, can avoid rotary platform 2 to rotate the condition emergence of producing friction with slewing bearing's inner circle 3, thereby cause the part to damage; the lower frame 1 is provided with a positioning plate 5 sealed at the bottom of the inner ring 3 of the slewing bearing, the positioning plate 5 is horizontally and fixedly connected on the lower bottom surface of the inner ring 3 of the slewing bearing, and the positioning plate 5 is matched with the inner ring 3 of the slewing bearing to form a cylindrical box body with the periphery sealed and the upper opening.

The utility model discloses an in a preferred embodiment, be provided with the circular opening 6 of ready-to-mount swivel joint in the intermediate position department of locating plate 5, this circular opening 6 department is provided with at the upper surface ring of locating plate 5 and keeps off ring 7, along keeping off the upside of ring 7 and along installing sealing washer 8, during the design, should keep off ring 7 and be the integrative shaping of buckling of bar baffle, and the internal diameter that keeps off ring 7 is greater than circular opening 6's diameter, and simultaneously, the height that keeps off ring 7 suits according to sealing washer 8 size with slewing bearing inner circle 3, through keeping off ring 7, locating plate 5, sealing

washer

8 and 3 four cooperations of slewing bearing inner circle cooperate, form a ring shape cavity, during the use during preparation, add butter formation butter oil bath in this cavity, can make things convenient for slewing bearing inner circle 3 gears and slewing motor to cooperate. During manufacturing, the baffle ring 7 is higher in height, so that oil dirt can be prevented from entering a grease pool, and grease failure is caused to affect lubrication of the gear.

The utility model discloses an in another kind of preferred embodiment, through installing sealing washer 8 along the upside that keeps off ring 7, then can furthest prevent that the greasy dirt from getting into the butter pond, during the design, sealing washer 8's body has certain thickness, be provided with and keep off ring 7 upside along thickness matched with draw-in groove at the lower terminal surface of sealing washer 8, clamp sealing washer 8 on the upper portion that keeps off ring 7, thereby make sealing washer 8 upper portion body laminating rotary platform 2 bottom surfaces down, the greasy dirt gets into the butter pond when preventing non-return rotary platform 2 from rotating, of course, in order to prevent sealing washer 8's damage, also can set sealing washer 8 to upper and lower wide structure, the thin slice that makes sealing washer 8 upper portion buckles the laminating in rotary platform 2 lower bottom surfaces.

In a preferred embodiment of the utility model, a rotary joint mounting opening 9 is arranged on the rotary platform 2 right above the circular opening 6, a rainwater drainage mechanism 10 is arranged at the position of the rotary joint mounting opening 9, when in design, the diameter of the baffle ring 7 is larger than that of the rotary joint mounting opening 9, the central axis of the rotary joint mounting opening 9 and the central axis of the circular opening 6 are positioned on the same straight line, the drainage mechanism 10 comprises a drainage ring 11 and an annular baffle table 12 provided with the outer wall of the drainage ring 11, the upper end surface of the annular baffle table 12 is level with the upper side of the drainage ring 11, an annular groove 13 is arranged on the upper surface of the rotary platform 2 along the periphery of the rotary joint mounting opening 9, the diameter of the annular groove 13 is matched with the outer diameter of the annular baffle table 12, the annular baffle table 12 is arranged in the annular groove 13, the drainage ring 11 extends downwards along the inner wall of the rotary joint mounting opening 9, and the height of the drainage ring 11 is larger than the thickness of the rotary platform 2 at the position of the rotary joint mounting opening 9, during the preparation, the external diameter size of drainage circle 11 suits with the diameter size of swivel joint installing port 9, and the lower base of drainage circle 11 extends rotary platform 2's lower bottom surface and is less than the up end of sealing washer 8, can prevent the rainwater when greasy dirt on rotary platform 2 and raining like this, get into in the butter pond when rotary platform 2 rotates, pollute or dilute the lubrication that the butter influences the gear, thereby lead to the waste of butter, of course, the preparation material of drainage mechanism 10 generally uses butadiene acrylonitrile rubber during the preparation, also can make with other rigidity materials.

In a preferred embodiment of the present invention, a swivel joint mounting seat 14 is fixedly connected to the lower frame 1 directly below the swivel joint mounting port 9, and the swivel joint can pass through the swivel joint mounting port 9 and the circular opening 6 and be mounted on the swivel joint mounting seat 14; the body on the upper surface of the rotary platform 2 on one side of the rotary joint mounting port 9 is provided with a rotary motor mounting port 15 matched with the rotary bearing inner ring 3, the rotary motor is mounted at the rotary motor mounting port 15, and a driving shaft of the rotary motor can extend into the grease pool to be matched with the inner ring 3 of the rotary support, so that the rotary platform 2 is controlled to rotate.

As shown in fig. 1, the utility model discloses a specific embodiment installs drainage mechanism 10 in swivel joint installing port 9 department, and when having greasy dirt or rainwater on rotary platform 2, this greasy dirt or rainwater can be introduced down on frame 1 along drainage circle 11 of drainage mechanism 10 along rotary platform 2's rotation, flows into the excavator outside through the space.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an excavator is with butter pond water intaking structure, includes rotary platform (2) of frame (1) top down and frame (1), rotate through slewing bearing between frame (1) and rotary platform (2) down and be connected, slewing bearing's inner circle (3) are connected with frame (1) down, and slewing bearing's outer lane (4) are connected with slewing platform (2), its characterized in that: be equipped with on lower frame (1) and seal locating plate (5) in slewing bearing inner circle (3) bottom, the intermediate position department of locating plate (5) is provided with circular opening (6), the upper surface of locating plate (5) encircles circular opening (6) department and is provided with fender ring (7), is provided with sealing washer (8) along the upside edge that keeps off ring (7), be provided with rotary joint installing port (9) on rotary platform (2) directly over circular opening (6), rotary joint installing port (9) department is provided with drainage mechanism (10).

2. The grease pool water-inlet-preventing structure for the excavator according to claim 1, wherein the drainage mechanism (10) comprises a drainage ring (11) and an annular baffle table (12) provided with the outer wall of the drainage ring (11), and the upper end face of the annular baffle table (12) is flush with the upper side edge of the drainage ring (11).

3. The grease pool water-inlet prevention structure for the excavator according to claim 2, wherein the outer diameter of the drainage ring (11) is adapted to the diameter of the rotary joint mounting port (9), the annular baffle table (12) is connected to the upper surface of the rotary platform (2) at the rotary joint mounting port (9), the drainage ring (11) extends downwards along the inner wall of the rotary joint mounting port (9), and the height of the drainage ring (11) is greater than the thickness of the rotary platform (2) at the rotary joint mounting port (9).

4. The grease pool water-inflow prevention structure for the excavator according to claim 1, wherein the diameter of the baffle ring (7) is larger than that of the rotary joint mounting opening (9), and the central axis of the rotary joint mounting opening (9) and the central axis of the circular opening (6) are positioned on the same straight line.

5. The grease pool water-inlet-proof structure for the excavator according to claim 1 is characterized in that the baffle ring (7) is formed by integrally bending a strip-shaped baffle plate, the inner diameter of the baffle ring (7) is larger than the diameter of the circular opening (6), and the height of the baffle ring (7) and the height of the inner ring (3) of the slewing bearing are matched according to the size of the sealing ring (8).

6. The grease pool water-inlet prevention structure for the excavator according to claim 3, wherein an annular groove (13) is formed in the upper surface of the rotary platform (2) along the periphery of the rotary joint mounting port (9), and the diameter of the annular groove (13) is matched with the outer diameter of the annular baffle table (12).

7. The grease pool water-inlet-preventing structure for the excavator according to claim 1, wherein a clamping groove matched with the upper side edge of the baffle ring (7) is formed in the lower end face of the sealing ring (8), and the upper body of the sealing ring (8) is attached to the lower bottom face of the rotary platform (2).

8. The grease pool water-inlet prevention structure for the excavator according to claim 1, wherein a rotary joint mounting seat (14) is fixedly connected to the lower frame (1) right below the rotary joint mounting port (9), and a rotary motor mounting port (15) is arranged on one side, located at the rotary joint mounting port (9), of the rotary platform (2).