CN104088321A - Rotary joint connecting device for hydraulic excavator - Google Patents
Rotary joint connecting device for hydraulic excavator Download PDFInfo
- Publication number
- CN104088321A CN104088321A CN201410332978.8A CN201410332978A CN104088321A CN 104088321 A CN104088321 A CN 104088321A CN 201410332978 A CN201410332978 A CN 201410332978A CN 104088321 A CN104088321 A CN 104088321A
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- China
- Prior art keywords
- bolt
- swivel coupling
- base plate
- seat board
- rotary joint
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Abstract
The invention discloses a rotary joint connecting device for a hydraulic excavator. The rotary joint connecting device comprises a rotary joint, a base plate, a supporting plate, a frame, a first bolt, a hydraulic assembly, a cap head, an oil interface, a second bolt and a third bolt. The rotary joint connecting device is characterized in that the rotary joint is fixedly connected to the base plate through the first bolt, the base plate is fixedly connected to the supporting plate through the second bolt, and the supporting plate is fixed to frame in a welding mode. During installation and usage, the rotary joint can be fastened to the frame, a through hole is formed in the middle of the base plate, the bottom end of the rotary joint is allowed to penetrate through the through hole, an installation hole is formed in an outer circle of the base plate, the first bolt can pass through the installation hole to be connected with the supporting plate, an installation hole is formed in an inner circle of the base plate, and the second bolt can pass through the installation hole to be connected with the supporting plate. The rotary joint connecting device is easy to assemble and disassemble, rapid and convenient to use, convenient to maintain, and easy to operate.
Description
Technical field
the invention belongs to hydraulic crawler excavator field, especially a kind of hydraulic crawler excavator swivel coupling linkage.
Background technology
the center-rotary joint of existing excavator and vehicle frame junction, general structure is normally directly installed on center-rotary joint on vehicle frame, has screw on vehicle frame, and center-rotary joint is bolted on vehicle frame.Although this structure stress is reliable, there is its limitation.In common mounting structure, bolt is to screw in from top to bottom vehicle frame by fixing center-rotary joint, in this case, if will be below vehicle frame dismounting center-rotary joint more difficult, the maintenance of later stage center-rotary joint is impacted.
Summary of the invention
the object of the invention is to the deficiency existing for above-mentioned prior art, provide a kind of and ensureing under the prerequisite of bonding strength, ensure that center-rotary joint dismounting is connected with the convenience of maintenance fastening, a kind of hydraulic crawler excavator swivel coupling linkage of easy accessibility.
technical solution of the present invention is such, a kind of hydraulic crawler excavator swivel coupling linkage, comprise swivel coupling, seat board, base plate, vehicle frame, the first bolt, hydraulic package, cap head, oil interface, the second bolt, the 3rd bolt, it is characterized in that swivel coupling (1) top cover has the 3rd bolt (10) to tighten up, oily interface (8) is arranged at swivel coupling (1) bottom, in the middle of swivel coupling (1), there is cap head (7), swivel coupling (1) inner chamber has hydraulic package (6), seat board (2) is arranged at swivel coupling (1) bottom, by tightening up with the second bolt (9), under seat board (2), there is base plate (3), by tightening up with the first bolt (5), base plate (3) is arranged on vehicle frame (4), base plate (3) is fixed tightly in vehicle frame (4) above by welding.
the plate shape of seat board (2) is pressed the corresponding pairing of swivel coupling bottom shape.
In the middle of seat board (2), having through hole to hold swivel coupling (1) bottom passes, seat board (2) outer ring has installing hole to connect by base plate (3) for the first bolt (5), and seat board (2) inner ring has installing hole to pass through to connect base plate (3) for the second bolt (9).
Hydraulic oil passes into communicating with hydraulic package (6) mutually from oily interface (8).
Seat board (2), base plate (3) are high-quality 45
# steel plate, seat board (2) outer ring chamfered edge camber.
Hydraulic package (6) communicates with engine pipelines.
Compared with prior art, the invention has the beneficial effects as follows: vehicle frame is connected by junction plate with center-rotary joint, and the mounting means of bolt is for screwing in and install from top to bottom, convenient disassembly.While changing center-rotary joint, only need to dismantle junction plate, just can under vehicle frame, center-rotary joint be taken out, it is convenient to change, and can reduce maintenance cost, and applicability is better.
Brief description of the drawings
fig. 1 is that the mounting structure master of a kind of hydraulic crawler excavator swivel coupling linkage of the present invention looks schematic diagram.
fig. 2 is the mounting structure schematic top plan view of a kind of hydraulic crawler excavator swivel coupling linkage of the present invention.
fig. 3 is the mounting structure connection diagram of a kind of hydraulic crawler excavator swivel coupling linkage of the present invention.
Fig. 4 is that the mounting structure of a kind of hydraulic crawler excavator swivel coupling linkage of the present invention connects schematic side view.
fig. 5 is the mounting structure junction plate dismounting schematic diagram of a kind of hydraulic crawler excavator swivel coupling linkage of the present invention.
reference numeral: swivel coupling (1), seat board (2), base plate (3), vehicle frame (4), the first bolt (5), hydraulic package (6), cap head (7), oily interface (8), the second bolt (9), the 3rd bolt (10).
Detailed description of the invention
below in conjunction with accompanying drawing, the invention will be further described.
embodiment 1, a kind of hydraulic crawler excavator swivel coupling linkage, comprise swivel coupling, seat board, base plate, vehicle frame, the first bolt, hydraulic package, cap head, oil interface, the second bolt, the 3rd bolt, it is characterized in that swivel coupling (1) top cover has the 3rd bolt (10) to tighten up, oily interface (8) is arranged at swivel coupling (1) bottom, in the middle of swivel coupling (1), there is cap head (7), swivel coupling (1) inner chamber has hydraulic package (6), seat board (2) is arranged at swivel coupling (1) bottom, by tightening up with the second bolt (9), under seat board (2), there is base plate (3), by tightening up with the first bolt (5), base plate (3) is arranged on vehicle frame (4), base plate (3) is fixed tightly in vehicle frame (4) above by welding.The plate shape of seat board (2) is pressed the corresponding pairing of swivel coupling bottom shape.In the middle of seat board (2), having through hole to hold swivel coupling (1) bottom passes, seat board (2) outer ring has installing hole to connect by base plate (3) for the first bolt (5), and seat board (2) inner ring has installing hole to pass through to connect base plate (3) for the second bolt (9).Hydraulic oil passes into communicating with hydraulic package (6) mutually from oily interface (8).Seat board (2), base plate (3) are high-quality 45
# steel plate, seat board (2) outer ring chamfered edge camber.Hydraulic package (6) communicates with engine pipelines.
Embodiment 2, with reference to accompanying drawing, base plate (3) is fixed tightly on vehicle frame (4) by welding, seat board (2) is fixed on base plate (3) by the first bolt (5), swivel coupling (1) is fixed on seat board (2) by the second bolt (9), swivel coupling (1) top cover is by being fixed tightly on top with the 3rd bolt (10), oily interface (8) is arranged at swivel coupling (1) bottom, the outer cap head (7) of having placed of swivel coupling (1), swivel coupling (1) inner chamber has hydraulic package (6), hydraulic oil enters from oily interface (8), hydraulic package (6) is connected with motor body.Seat board (2), high-quality 45 for base plate (3)
# steel plate, seat board (2) is outer be with installing hole for the first bolt (5) by affixed with base plate (3).In seat board (2), being with installing hole is connected and tightens up with swivel coupling (1) for the second bolt (9).In the middle of seat board (2), there is circular hole to pass and install by swivel coupling (1) bottom.The peripheral chamfered edge camber of seat board (2), to reduce material, material saving.When mounting or dismounting swivel couplings (1), lower the first bolt (5) of dismounting, the second bolt (9), rotate back to gently adapter (1) and firmly upwards carry and can pull down by safe ready.When assembling, order tightens up swivel coupling (1) dress seat board (2) with the second bolt (9), seat board (2) is loaded onto to base plate (3) the first bolt (5) and tighten up.Base plate (3) tightens up base plate (3) welding in advance, reaches like this mounting or dismounting easily, and convenient and swift, safety reduces costs.
Claims (6)
1. a hydraulic crawler excavator swivel coupling linkage, comprise swivel coupling, seat board, base plate, vehicle frame, the first bolt, hydraulic package, cap head, oil interface, the second bolt, the 3rd bolt, it is characterized in that swivel coupling (1) top cover has the 3rd bolt (10) to tighten up, oily interface (8) is arranged at swivel coupling (1) bottom, in the middle of swivel coupling (1), there is cap head (7), swivel coupling (1) inner chamber has hydraulic package (6), seat board (2) is arranged at swivel coupling (1) bottom, by tightening up with the second bolt (9), under seat board (2), there is base plate (3), by tightening up with the first bolt (5), base plate (3) is arranged on vehicle frame (4), base plate (3) is fixed tightly in vehicle frame (4) above by welding.
2. according to a kind of hydraulic crawler excavator swivel coupling linkage claimed in claim 1, it is characterized in that the plate shape of seat board (2) is corresponding by swivel coupling bottom shape.
3. according to a kind of hydraulic crawler excavator swivel coupling linkage claimed in claim 1, it is characterized in that having through hole appearance swivel coupling (1) bottom to pass in the middle of seat board (2), seat board (2) outer ring has installing hole to connect by base plate (3) for the first bolt (5), and seat board (2) inner ring has installing hole to pass through to connect base plate (3) for the second bolt (9).
4. according to a kind of hydraulic crawler excavator swivel coupling linkage claimed in claim 1, it is characterized in that hydraulic oil passes into communicating with hydraulic package (6) mutually from oily interface (8).
5. according to a kind of hydraulic crawler excavator swivel coupling linkage claimed in claim 1, it is characterized in that seat board (2), base plate (3) are high-quality 45
well steel plate, chamfered edge camber is made in seat board (2) periphery.
6. according to a kind of hydraulic crawler excavator swivel coupling linkage claimed in claim 1, it is characterized in that hydraulic package (6) communicates with engine pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410332978.8A CN104088321A (en) | 2014-07-14 | 2014-07-14 | Rotary joint connecting device for hydraulic excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410332978.8A CN104088321A (en) | 2014-07-14 | 2014-07-14 | Rotary joint connecting device for hydraulic excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104088321A true CN104088321A (en) | 2014-10-08 |
Family
ID=51636071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410332978.8A Pending CN104088321A (en) | 2014-07-14 | 2014-07-14 | Rotary joint connecting device for hydraulic excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104088321A (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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004301305A (en) * | 2003-04-01 | 2004-10-28 | Hitachi Constr Mach Co Ltd | Whirl stop device of swivel joint |
| CN102022598A (en) * | 2009-09-14 | 2011-04-20 | 江阴市长龄液压机具厂 | Hydraulic central rotary joint |
| CN103061376A (en) * | 2011-10-19 | 2013-04-24 | 江阴市长龄机械制造有限公司 | Hydraulic center rotary joint |
| CN203229990U (en) * | 2013-05-24 | 2013-10-09 | 广西玉柴重工有限公司 | Mounting structure of central rotary joint |
-
2014
- 2014-07-14 CN CN201410332978.8A patent/CN104088321A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004301305A (en) * | 2003-04-01 | 2004-10-28 | Hitachi Constr Mach Co Ltd | Whirl stop device of swivel joint |
| CN102022598A (en) * | 2009-09-14 | 2011-04-20 | 江阴市长龄液压机具厂 | Hydraulic central rotary joint |
| CN103061376A (en) * | 2011-10-19 | 2013-04-24 | 江阴市长龄机械制造有限公司 | Hydraulic center rotary joint |
| CN203229990U (en) * | 2013-05-24 | 2013-10-09 | 广西玉柴重工有限公司 | Mounting structure of central rotary joint |
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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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141008 |