CN204959853U - Swivel joint package assembly of excavator central authorities - Google Patents
Swivel joint package assembly of excavator central authorities Download PDFInfo
- Publication number
- CN204959853U CN204959853U CN201520509731.9U CN201520509731U CN204959853U CN 204959853 U CN204959853 U CN 204959853U CN 201520509731 U CN201520509731 U CN 201520509731U CN 204959853 U CN204959853 U CN 204959853U
- Authority
- CN
- China
- Prior art keywords
- seat board
- support portion
- package assembly
- excavator
- center
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- Withdrawn - After Issue
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Abstract
The utility model discloses a swivel joint package assembly of excavator central authorities, including swivel joint, bedplate and fixed plate, swivel joint links to each other with the bedplate, bedplate lower extreme connection fixed plate, wearing to portal and being used for supporting the supporting part of bedplate including what be used for that the bedplate wears out on the fixed plate, the supporting part has a plurality of evenly distributed on the fixed plate, the outline of bedplate with wear to portal the looks adaptation, have a plurality of and supporting part complex connecting portion one by one on the bedplate, the supporting part links to each other with connecting portion, the utility model also discloses an above -mentioned swivel joint package assembly of excavator central authorities's installation dismantlement method, the utility model discloses simple structure can prevent effectively that package assembly from taking place long -pending soil and stopping up, breaks down the quick dismantlement installation of shi gengneng at central swivel joint.
Description
Technical field
The utility model relates to machine components, is specifically related to a kind of excavator center-rotary joint package assembly.
Background technology
Owing to arranging restriction by engineering machinery Platform of Excavators space, in engineering machinery, excavator center-rotary joint is generally directly installed on the vehicle frame of excavator, and vehicle frame has screw, and center-rotary joint is bolted on vehicle frame.Concrete, bolt screws in vehicle frame from top to bottom, with fixing center-rotary joint, cause from bottom dismounting center-rotary joint of getting off more difficult, and center-rotary joint break down maintenance time need to lift driver's cabin, lifting driver's cabin needs special lifting tool, also need detaching pipelines during lifting driver's cabin, the take-down time is longer, there is certain risk, there is potential safety hazard, services and repairs is extremely inconvenient.Existing center-rotary joint package assembly is more, erection procedure is more, and the earth after excavator work below excavator frame or above frame easily produces blocking at center-rotary joint package assembly place, the blocking of earth easily makes center-rotary joint seal damage, thus cause swivel coupling leakage of oil, excavator work is stopped, and very inconvenient from maintenance process center-rotary joint below excavator under working environment, excavator can not work efficiently.
Utility model content
The purpose of this utility model is a kind of excavator center-rotary joint package assembly, and this center-rotary joint package assembly installing/dismounting is simple and practical, and Practical Performance is better.
To achieve these goals, the technical solution of employing is the utility model:
A kind of excavator center-rotary joint package assembly, comprise swivel coupling, seat board and fixed head, it is characterized in that, described swivel coupling comprises gyroaxis and is welded on the backing plate of gyroaxis outside, backing plate connecting base plate, seat board lower end is connected and fixed plate, described fixed head comprises the punched out passed for seat board and the support portion for supporting seat board, support portion has and is multiplely evenly distributed on fixed head, outline and the punched out of described seat board are suitable, seat board has multiple connecting portion coordinated one by one with support portion, support portion is connected with connecting portion.
Preferably, described punched out is petal-shaped, upper and lower, left and right four end of punched out is arc-shaped, respectively with fixed head center for mid point is to outstanding away from mid point direction, the upper left of punched out, lower-left, upper right, bottom right four end are arc-shaped, respectively with fixed head center for mid point near mid point direction depression, described support portion is provided with the support portion fixing hole for being connected and fixed plate.
Preferably, the centre of described seat board is provided with seat board circular hole, upper and lower, left and right four end of seat board be arc-shaped respectively with seat board center for mid point is near mid point direction depression, described connecting portion is provided with for connecting support portion and the connecting portion fixing hole suitable with support portion fixing hole, connecting portion fixing hole upper end is welded with fixing hole nut, connecting portion is also provided with the screwed hole for connecting swivel coupling, screwed hole lower end is welded with screwed hole nut.
Preferably, the vertical distance value between the left upper end of described seat board and bottom righthand side is less than the vertical distance value between punched out top and bottom.
The beneficial effects of the utility model are:
A kind of excavator center-rotary joint package assembly, adopt the mode that seat board, fixed head and swivel coupling are assembled, this swivel coupling structure combination is novel simple, more decreases the assembling parts material of swivel coupling when guarantee swivel coupling normally works; When installing, swivel coupling is more simple to operation, greatly reduces the installation procedure time of swivel coupling, makes to dismantle below excavator frame when dismantling at swivel coupling, lifts by crane excavator cab when avoiding dismounting center-rotary joint; Simultaneously, the poroid design of the petal of punched out in fixed head, design with the X-shaped seat board that petal-shaped punched out is suitable, after the supporting combination of seat board of the fixing plate hole that petal is poroid and X-shaped tabular, there are four arcuate sockets below center-rotary joint, after excavator normally works, more arcuate socket effectively can prevent center-rotary joint working position soil plug, and when soil plug needs to repair, only need rotate seat board can remove earth; When swivel coupling is dismantled by needs, only need by seat board under fixed head dismounting, seat board is taken out from punched out, the dismounting again of swivel coupling can be completed, it is more convenient that this dismounting mode makes swivel coupling keep in repair, and saves manpower and materials, excavator is worked more efficiently.
Accompanying drawing explanation
Fig. 1 is excavator center-rotary joint package assembly overall schematic.
Fig. 2 is the schematic top plan view after excavator center-rotary joint package assembly has been assembled.
Schematic top plan view when Fig. 3 is the dismounting of excavator center-rotary joint package assembly.
Fig. 4 is excavator center-rotary joint package assembly fixed head installation site structural representation.
Fig. 5 is seat board overall structure schematic diagram.
Fig. 6 is fixed head overall structure schematic diagram.
Detailed description of the invention
Below in conjunction with Figure of description, the utility model is described in further detail:
Embodiment 1, composition graphs 1 to Fig. 6, a kind of excavator center-rotary joint package assembly, comprise swivel coupling 1, seat board 3 and fixed head 4, swivel coupling 1 comprises gyroaxis 11 and is welded on the backing plate 2 of gyroaxis 11 outside, swivel coupling 1 is connected with seat board 3 by the backing plate 2 being welded on gyroaxis outside, seat board 3 lower end is connected and fixed plate 4, described fixed head 4 comprises the punched out 41 that passes for seat board 3 and the support portion 42 for supporting seat board 3, punched out 41 is in petal-shaped, punched out 41 upper, under, left, right four ends are arc-shaped, be that mid point is to outstanding away from mid point direction with fixed head center 43 respectively, the upper left of punched out 41, lower-left, upper right, bottom right four end be arc-shaped respectively with fixed head center 43 for mid point is near mid point direction depression, support portion 42 is provided with the support portion fixing hole 421 for being fixedly connected with seat board 3, support portion 4 is totally four parts.
Outline and the punched out 41 of described seat board 3 are suitable, seat board 3 centre position is provided with the seat board circular hole 31 being applicable to swivel coupling 1 and passing, seat board 3 there is multiple connecting portion 32 coordinated one by one with support portion 42, connecting portion 42 is set to four, connecting portion is provided with for connecting support portion 42 and the connecting portion fixing hole 321 suitable with support portion fixing hole, connecting portion fixing hole 321 is also welded with connecting portion nut 322, connecting portion 32 is also provided with the screwed hole 323 for connection backing plate 2, screwed hole 323 lower end is welded with screwed hole nut, described seat board 3 upper, under, left, right four ends be arc-shaped respectively with seat board center 33 for mid point caves near mid point direction.
The installing/dismounting of described excavator center-rotary joint package assembly comprises the following steps:
The first step, excavator frame 5 is provided, lifting excavator top revolving dial (do not provide in figure, be as the criterion with existing ordinary excavator top revolving dial), be arranged on the revolving support mount pad 51 of excavator frame 5 inside, be arranged on the revolution profit oil sump cylinder 52 excavated in locomotive 5, fixed head 4 is welded in revolution profit oil sump cylinder 52, revolution profit oil sump cylinder is arranged on excavator frame, by connecting portion screwed hole 323, swivel coupling 1 is fixed on seat board 3 by backing plate 11, use bolt by support portion fixing hole 421, seat board 3 is fixed on the upper surface of fixed head 4 by connecting portion fixing hole 321 and connecting portion nut 322, the arranging of connecting portion nut 322 can to ensure in bolton process not easily stripped thread, ensure fastening strength simultaneously, after completing installation, now swivel coupling 1 is connected on lower frame of excavator 5 by seat board 3 and fixed head 4, and then complete the installation of excavator circuit,
Second step, is arranged on excavator frame 5 by lifting excavator cab by revolving support mount pad 51;
3rd step, excavator center-rotary joint package assembly is dismantled, staff will be arranged on support portion fixing hole 421, bolt in connecting portion fixing hole 321 and connecting portion bolt 322 unloads, now seat board 3 loosens and departs from fixed head 4, now seat board 3 is connected to swivel coupling 1, seat board 3 is rotated 45 degree in horizontal plane, the left upper end of seat board 3 arrives the upper end of punched out 41, because the vertical distance value between the left upper end of seat board 3 and bottom righthand side is less than the vertical distance value between punched out 41 top and bottom, seat board 3 is connected to swivel coupling 1 take out immediately below punched out 41, now swivel coupling 1 completes from the dismounting below excavator frame 5,
4th step, after swivel coupling 1 has keeped in repair, in the revolution lubricating oil bath cylinder 52 swivel coupling 1 need put into below punched out 41, now swivel coupling 1 is connected to seat board 3, first staff arrives the below of excavator frame 5, hand-held swivel coupling 1, swivel coupling 1 direction is upwards placed on immediately below punched out 41, swivel coupling 1 is put in revolution lubricating oil bath cylinder 52 by punched out 41, when above seat board 3 is positioned at fixed head 4, seat board 3 is rotated 45 degree in horizontal plane, when support portion fixing hole 421, when connecting portion fixing hole 321 coincides with the upper and lower, by bolt, seat board 3 is fixed on fixed head 4, swivel coupling 1 completes installation.
Certainly; above-mentioned explanation is not to restriction of the present utility model; the utility model is also not limited in above-mentioned citing, the change that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also should belong to protection domain of the present utility model.
Claims (4)
1. an excavator center-rotary joint package assembly, comprise swivel coupling, seat board and fixed head, it is characterized in that, described swivel coupling comprises gyroaxis and is welded on the backing plate of gyroaxis outside, backing plate connecting base plate, seat board lower end is connected and fixed plate, described fixed head comprises the punched out passed for seat board and the support portion for supporting seat board, support portion has and is multiplely evenly distributed on fixed head, outline and the punched out of described seat board are suitable, seat board has multiple connecting portion coordinated one by one with support portion, support portion is connected with connecting portion.
2. a kind of excavator center-rotary joint package assembly according to claim 1, it is characterized in that, described punched out is petal-shaped, upper and lower, left and right four end of punched out is arc-shaped, respectively with fixed head center for mid point is to outstanding away from mid point direction, the upper left of punched out, lower-left, upper right, bottom right four end are arc-shaped, respectively with fixed head center for mid point near mid point direction depression, described support portion is provided with the support portion fixing hole for being connected and fixed plate.
3. a kind of excavator center-rotary joint package assembly according to claim 1 and 2, it is characterized in that, the centre of described seat board is provided with seat board circular hole, upper and lower, left and right four end of seat board be arc-shaped respectively with seat board center for mid point is near mid point direction depression, described connecting portion is provided with for connecting support portion and the connecting portion fixing hole suitable with support portion fixing hole, connecting portion fixing hole upper end is welded with fixing hole nut, connecting portion is also provided with the screwed hole for connecting swivel coupling, screwed hole lower end is welded with screwed hole nut.
4. a kind of excavator center-rotary joint package assembly according to claim 3, it is characterized in that, the vertical distance value between the left upper end of described seat board and bottom righthand side is less than the vertical distance value between punched out top and bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520509731.9U CN204959853U (en) | 2015-07-15 | 2015-07-15 | Swivel joint package assembly of excavator central authorities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520509731.9U CN204959853U (en) | 2015-07-15 | 2015-07-15 | Swivel joint package assembly of excavator central authorities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204959853U true CN204959853U (en) | 2016-01-13 |
Family
ID=55054928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520509731.9U Withdrawn - After Issue CN204959853U (en) | 2015-07-15 | 2015-07-15 | Swivel joint package assembly of excavator central authorities |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204959853U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155609A (en) * | 2015-07-15 | 2015-12-16 | 青岛雷沃挖掘机有限公司 | Central rotating joint assembly structure for excavator and installing and disassembling method |
-
2015
- 2015-07-15 CN CN201520509731.9U patent/CN204959853U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155609A (en) * | 2015-07-15 | 2015-12-16 | 青岛雷沃挖掘机有限公司 | Central rotating joint assembly structure for excavator and installing and disassembling method |
| CN105155609B (en) * | 2015-07-15 | 2017-12-26 | 青岛雷沃工程机械有限公司 | A kind of excavator center-rotary joint package assembly and installing/dismounting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266500 No. 75 east the Yellow River Road, Qingdao economic and Technological Development Zone, Shandong Patentee after: Qingdao leiwo Engineering Machinery Co. Ltd. Address before: 266500 No. 75 east the Yellow River Road, Qingdao economic and Technological Development Zone, Shandong Patentee before: QINGDAO LEIWO EXCAVATOR CO., LTD. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20160113 Effective date of abandoning: 20171226 |