CN104652521B - Excavator rotary system - Google Patents
Excavator rotary system Download PDFInfo
- Publication number
- CN104652521B CN104652521B CN201510041229.4A CN201510041229A CN104652521B CN 104652521 B CN104652521 B CN 104652521B CN 201510041229 A CN201510041229 A CN 201510041229A CN 104652521 B CN104652521 B CN 104652521B
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- CN
- China
- Prior art keywords
- restocking
- support
- undercarriage
- food tray
- disk
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Abstract
The invention discloses a kind of excavator rotary system, belong to engineering machinery field.Including restocking, pivoting support, undercarriage, swivel coupling and rotary motor, the outer ring of the pivoting support is fixedly connected with restocking, the inner ring of pivoting support is fixedly connected with undercarriage, rotary motor is fixed in restocking, its output gear engages connection with the internal tooth of the inner ring of pivoting support, support food tray is fixed with undercarriage, support food tray includes the annulus and disk being fixed together, drain oil is set on annulus, disk is provided with centre bore, the swivel coupling is fixedly mounted in centre bore, sealing ring is provided between restocking and support food tray, hold in the palm food tray and restocking, pivoting support, undercarriage, sealing ring formation sealing space.Rotary system of the present invention is combined lubricating and sealing device is turned round with swivel coupling fixing device for installing, is reduced number of parts, is reduced cost, while also having good airproof performance, advantage simple in construction.
Description
Technical field
The invention belongs to a kind of engineering mechanical components, specifically, more particularly to a kind of excavator rotary system.
Background technology
In the excavator course of work, top turntable needs opposing lower portions chassis to carry out 360 ° of revolution operations, and gyration is
What the pivoting support ring gear coupled by the rotary motor gear driving installed in top turntable with bottom chassis was realized, but
Gear engagement needs grease lubrication, therefore meshing zone of gears domain needs the space of a closing to accommodate grease, and needs to consider oil
The drainage problem with top turntable is changed in the failure of fat.In addition, the oil circuit of bottom chassis running motor leads on the turntable of top
Directional control valve installed in body phase of getting on or off the bus, it is necessary to by means of realizing 360 ° of revolution fuel feeding to the swivel coupling at the center of revolution.
Lubrication and seal area and swivel coupling fixed area are all inside revolving support, between upper and lower car body.Japanese excavator in current industry
Generally revolution lubricating and sealing device is separately designed with swivel coupling fixing device for installing, many using part, cost is higher.Korea Spro system
It is that excavator then carries out whole sealings to revolving support and swivel coupling inside with America and Europe, rubber seal is fixed on top turntable
On, expose to the sun and rain and easily cause failure with rubber seal aging, cause grease to be intake, and then cause gear wear, therefore can
It is poor by property.
The content of the invention
It is an object of the present invention to provide a kind of excavator rotary system, with overcome in the prior art excavator rotary system use
Part is more, cost is high or the defect of sealing effectiveness difference.
The present invention is realized using following technical scheme：
A kind of excavator rotary system, including restocking, pivoting support, undercarriage, swivel coupling and rotary motor, the revolution
The outer ring of supporting is fixedly connected with restocking, and the inner ring of pivoting support is fixedly connected with undercarriage, and rotary motor is fixed in restocking, its
Output gear is engaged with the internal tooth of the inner ring of pivoting support is fixed with support food tray on connection, undercarriage, support food tray includes fixed connect
Drain oil is set on the annulus and disk being connected together, annulus, disk is provided with centre bore, and the swivel coupling is fixedly mounted on center
In hole, sealing ring is provided between restocking and support food tray, support food tray and restocking, pivoting support, undercarriage, sealing ring formation sealing are empty
Between.
Disk is provided with osculum, for discharging rainwater and cleaning liquid.
The junction of annulus and disk is provided with reinforcement, to improve its bonding strength.
Disk is provided with the silk seat for installing swivel coupling.
Restocking is provided with anti-rotation support, and the top of swivel coupling is bolted on anti-rotation support.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention will revolution lubricating and sealing device and swivel coupling
Fixing device for installing is integrated together, with restocking, pivoting support formation closing space after support food tray, undercarriage, sealing ring, closed
Place to engage gear after grease in space and lubricate, reduce number of parts, reduce cost, while there is good airproof performance,
Advantage simple in construction.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is Fig. 1 A portions enlarged drawing；
Fig. 3 is the main structure diagram of the support food tray of the present invention；
Fig. 4 is the top view of the support food tray of the present invention.
In figure：1st, restocking；2nd, tank filler sleeve；3rd, pivoting support；4th, undercarriage；5th, food tray is held in the palm；6th, osculum；7th, swivel coupling；
8th, sealing ring；9th, drain oil；10th, rotary motor；11st, connecting bolt；12nd, anti-rotation support；13rd, annulus；14th, silk seat；15th, center
Hole；16th, disk；17th, reinforcement.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of excavator rotary system, including restocking 1, pivoting support 3, undercarriage 4, support food tray 5, revolution connect
First 7 and rotary motor 10, the outer ring of pivoting support 3 is fixed by bolt with restocking 1, and the inner ring of pivoting support 3 passes through bolt and undercarriage 4
Fixed, rotary motor 10 is bolted in restocking 1, the gear engagement rotation of its output gear and the inner ring of pivoting support 3
Drive restocking 1 with respect to the revolution of undercarriage 4 afterwards, the outer ring of support food tray 5 is welded and fixed with undercarriage 4 by border, and swivel coupling 7 passes through
It is bolted on support food tray 5, restocking 1 is provided with anti-rotation support 12, and the top of swivel coupling 7 is fixed on by connecting bolt 11
On anti-rotation support 12, there is rational gap with connecting bolt 11 and coordinate to eliminate swivel coupling 7 in revolution in anti-rotation support 12
The site error of the heart；It is provided with sealing ring 8 between restocking 1 and support food tray 5, it is support food tray 5 and pivoting support 3, restocking 1, undercarriage 4, close
Seal 8 is formed to engage rotary motor 10 with the gear of pivoting support 3 after sealing space, filling grease and is lubricated；Restocking 1
On set the tank filler sleeve 2 of grease, usually closed with cover plate and bolt, support food tray 5 is provided with drain oil 9, and drain oil 9 is used when flat
Rubber slab, cover plate and bolt closing, are opened when changing grease.
As shown in Fig. 2 the inner seal of sealing ring 8 plays a part of to grease to inner sealing, outer side seal is to outside
Dust plays a part of outwards stopping；The top of sealing ring 8 is the shapes such as rectangle or circular arc with the contact site of restocking 1, close after assembling
Seal 8 forms certain interference fit in its compression zone with restocking 1.
As shown in Figure 3, Figure 4, support food tray 5 includes the annulus 13 and disk 16 of the inside port blockage structure welded together, is
Improve linking intensity, annulus 13 and the junction of disk 16 welding reinforcement 17, annulus 13 is provided with drain oil 9, and osseotomy site is used
Reinforcing plate improves intensity, and disk 16 is provided with osculum 6, and improves intensity with reinforcing plate, and silk seat 14 is welded on disk 16, is used for
Fixed swivel coupling 7, swivel coupling 7 is assembled from bottom to top, and swivel coupling 7 can also be assembled from the top down, and silk seat 14 then needs cloth
Put on the top of annulus 13；The central aperture of disk 16 adapts to the assembling of swivel coupling 7, and the installing space of swivel coupling 7 is opening
Space, the liquid when rainwater of restocking 1 and cleaning can be discharged to ground from the osculum 6 in the middle of support food tray 5.
Claims (4)
1. a kind of excavator rotary system, including restocking (1), pivoting support (3), undercarriage (4), swivel coupling (7) and revolution horse
Up to (10), the outer ring of the pivoting support (3) is fixedly connected with restocking (1), inner ring and the undercarriage (4) of the pivoting support (3)
It is fixedly connected, the rotary motor (10) is fixed in restocking (1), the internal tooth of its output gear and the inner ring of pivoting support (3)
Engagement connection, it is characterised in that：Support food tray (5) is fixed with the undercarriage (4), the support food tray 5 includes being fixedly connected on
Drain oil (9) is set on annulus (13) and disk (16) together, the annulus (13), the disk (16) is provided with centre bore
(15), the swivel coupling (7) is fixedly mounted in centre bore (15), provided with sealing between the restocking (1) and support food tray (5)
Enclose (8), the support food tray (5) and restocking (1), pivoting support (3), undercarriage (4), sealing ring (8) formation sealing space, the circle
The edge of disk (16) is provided with baffle plate, and the sealing ring is arranged on baffle plate；The disk (16) is provided with osculum (6).
2. excavator rotary system according to claim 1, it is characterised in that：The annulus (13) and the company of disk (16)
Meet place and be provided with reinforcement (17).
3. excavator rotary system according to claim 1 or 2, it is characterised in that：The disk (16) is provided with silk seat
(14)。
4. excavator rotary system according to claim 3, it is characterised in that：The restocking (1) is provided with anti-rotation support
(12), the top of swivel coupling (7) is fixed on anti-rotation support (12) by connecting bolt (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510041229.4A CN104652521B (en) | 2015-01-27 | 2015-01-27 | Excavator rotary system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510041229.4A CN104652521B (en) | 2015-01-27 | 2015-01-27 | Excavator rotary system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104652521A CN104652521A (en) | 2015-05-27 |
| CN104652521B true CN104652521B (en) | 2017-11-07 |
Family
ID=53244111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510041229.4A Active CN104652521B (en) | 2015-01-27 | 2015-01-27 | Excavator rotary system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104652521B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402352A (en) * | 2016-11-30 | 2017-02-15 | 恒天九五重工有限公司 | Sealing structure of loading slewing device of rotary drilling rig |
| CN109208683B (en) * | 2018-10-30 | 2023-08-22 | 三一重机有限公司 | Slewing bearing Huang Youchi sealing structure and excavator |
| CN110593346B (en) * | 2019-09-20 | 2024-10-29 | 三一重机有限公司 | Excavator |
| RU202901U1 (en) * | 2020-11-02 | 2021-03-12 | Акционерное общество "Черногорский ремонтно-механический завод" (АО "Черногорский РМЗ") | WALKING EXCAVATOR SUPPORT FRAME |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08128074A (en) * | 1994-10-28 | 1996-05-21 | Yutani Heavy Ind Ltd | Construction of revolving superstructure |
| US7070017B2 (en) * | 2002-10-11 | 2006-07-04 | Hitachi Construction Machinery Co., Ltd | Rotating apparatus for construction machine |
| KR20110062289A (en) * | 2009-12-03 | 2011-06-10 | 볼보 컨스트럭션 이큅먼트 에이비 | Construction equipment with grease injection device inside cab cap |
| CN102691838A (en) * | 2011-03-23 | 2012-09-26 | 江阴市长龄机械制造有限公司 | Hydraulic central swivel joint |
| CN204590148U (en) * | 2015-01-27 | 2015-08-26 | 山东临工工程机械有限公司 | Digger revolving system |
-
2015
- 2015-01-27 CN CN201510041229.4A patent/CN104652521B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104652521A (en) | 2015-05-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Excavator slewing system Effective date of registration: 20211217 Granted publication date: 20171107 Pledgee: Industrial and Commercial Bank of China Limited Linyi Economic Development Zone sub branch Pledgor: SHANDONG LINGONG CONSTRUCTION MACHINERY Co.,Ltd. Registration number: Y2021980015222 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |