CN110005016A - Centre of gyration connector and excavator - Google Patents
Centre of gyration connector and excavator Download PDFInfo
- Publication number
- CN110005016A CN110005016A CN201910282826.4A CN201910282826A CN110005016A CN 110005016 A CN110005016 A CN 110005016A CN 201910282826 A CN201910282826 A CN 201910282826A CN 110005016 A CN110005016 A CN 110005016A
- Authority
- CN
- China
- Prior art keywords
- mandrel
- centre
- cover board
- gyration
- fixedly connected
- 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
Links
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°
- E02F9/123—Drives or control devices specially adapted therefor
-
- 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
- E02F9/26—Indicating devices
- E02F9/264—Sensors and their calibration for indicating the position of the work tool
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to excavator centre of gyration connectors, to solve the problems, such as that setting angle sensor is inconvenient to install on existing centre of gyration connector；A kind of centre of gyration connector is provided, its center fitting body includes the cylinder being sleeved on mandrel and the cover board for being fixedly mounted on barrel end, the centre of cover board is provided with the hole for setting angle sensor, the stator of angular transducer is fixedly connected with cover board, and inner rotator is fixedly connected with mandrel.When centre of gyration connector is installed, center tip body is fixedly connected with upper brace, and mandrel is fixedly connected with lower frame.Angle sensor mounting structure of the present invention is simple, can avoid deflection, and do not influence motor draining back pressure.
Description
Technical field
The present invention relates to a kind of excavator components, more specifically to a kind of centre of gyration connector and excavator.
Background technique
Excavator includes upper brace and lower frame, and upper brace is pivotally mounted on lower frame.In upper brace
The dynamical system of upper installation excavator and fuel tank, pump and control valve in hydraulic system etc..Row is installed on lower frame
The hydraulic executive items such as hydraulic motor, the dozer lift cylinder walked.Since upper brace and lower frame relatively rotate, it is located at
The hydraulic executive item installed on lower frame needs to connect by centre of gyration connector with the hydraulic unit on upper brace.
Existing centre of gyration connector includes center tip body and mandrel, and center tip body is sleeved on mandrel lower part, is carried out
Center tip body is fixedly connected under with lower frame when installation, and mandrel is fixedly connected upper with upper brace.
With mechanical intelligence, need setting angle sensor detection upper brace on board a dredger and lower frame it
Between opposite corner.Angular transducer needs to be mounted on the centre of gyration line of upper brace, its stator and rotor is needed to distinguish
Opposite upper parts platform and lower frame are static, therefore angular transducer is commonly installed on centre of gyration connector.
The stator of angular transducer is fixed on the end face of mandrel in setting angle sensor by existing centre of gyration connector
On, an elongated shaft is set in the drainback passage of mandrel, and the upper end of elongated shaft is fixedly connected with the stator of angular transducer, lower end
It extends downwardly and is fixedly connected with center tip body.
In the mounting means of above-mentioned centre of gyration connector, it is necessary to have preferable knots since the axis is longer for intermediate elongated axis
Structure intensity, and it is also higher to requirement on machining accuracy, and which is only connected through a screw thread solid with the cover board on center tip body
It is fixed, it is also connected with oil liquid in the channel of the elongated shaft, so the elongated shaft is vacantly in intermediate oil duct, therefore in rotary course
There can be the possibility of deflection, just can not really reflect angle of revolution.The logical oil for occupying intermediate oil duct additionally, due to elongated shaft is empty
Between, area of passage can be made to reduce, the back pressure of the oil duct can be made to increase, running motor draining can be made unsmooth.
Summary of the invention
The technical problem to be solved by the present invention is to be directed to setting angle Sensor Problem on existing centre of gyration connector, and mention
For a kind of centre of gyration connector, so that setting angle sensor is more simple and convenient on centre of gyration connector.
The present invention be realize that the technical solution of its purpose is such that provide a kind of centre of gyration connector, including mandrel and
Center tip body, the center tip body include the cylinder being set on the mandrel and the lid for being fixedly mounted on barrel end
Plate, it is characterised in that further include angular transducer, the centre of the cover board is provided with for installing the angular transducer
Hole, the stator of the angular transducer be fixedly mounted on in the hole of the cover plate central, inner rotator with it is described
Mandrel is fixedly connected.
Further, in above-mentioned centre of gyration connector, screw thread, the angle are provided on the cover board on the hole wall of hole
It is threadedly engaged and connect with it in the hole that the stator of sensor is located on the cover board.When not installing angular transducer, then may be used
With the installed plug in mounting hole, to be used as common centre of gyration connector.
Further, in above-mentioned centre of gyration connector, be fixed with bracket on the end face of the mandrel, the bracket have with
The coaxial connecting shaft of mandrel, the connecting shaft are connect with the inner rotator of the angular transducer, and angular transducer passes through bracket
It is fixedly connected with the mandrel.
Further, in above-mentioned centre of gyration connector, oil between the connection cover board and mandrel is provided in the mandrel
The oil return oil duct of chamber is provided with the oil return interface for being connected to oil pocket between the cover board and mandrel on the cover board.
Further, in above-mentioned centre of gyration connector, the drainback passage is located at described in the outlet of the end face of mandrel
Mandrel end centre, the bracket have the mounting portion being fixedly connected around the outlet with the mandrel.
Further, in above-mentioned centre of gyration connector, the mounting portion is in lath-shaped, and both ends connect with the mandrel respectively
It connects, the connecting shaft is vertically fixed on the middle part of the mounting portion.
The present invention be realize that the technical solution of its purpose is such that provide a kind of excavator, including upper brace and
Lower frame, the upper brace are pivotally mounted on lower frame, it is characterised in that and it further include centre of gyration connector above-mentioned,
The centre of gyration connector is vertically-mounted, and mandrel is fixedly connected with lower frame, and center tip body and the upper brace are solid
Fixed to connect, the Hydraulic Elements installed on lower frame are connected by pipeline and the corresponding hydraulic fluid port on the mandrel, center tip body
On each hydraulic fluid port by pipeline on upper brace corresponding Hydraulic Elements connection.
Compared with prior art, the present invention the invention has the following advantages that
1, centre of gyration connector of the present invention can be answered with setting angle sensor for detecting the angle of revolution of upper brace
For intelligent excavator system.
2, structure type is simple, can be general with the center tip that does not need setting angle sensor, it is only necessary to pass angle
Hydraulic fluid port blocks at sensor, and subsequent needs installation can be installed additional directly.
3, angular transducer fixed form is reliable, and bracket is fixed on mandrel, then the rotor of angular transducer is fixed on
On bracket, the fixation support shaft is very short, can be to avoid deflection.
4, by design drain tap, do not change area of passage, after setting angle sensor running motor draining will not carry on the back
Pressure increases.
Detailed description of the invention
Fig. 1 is the outline structural diagram of centre of gyration connector of the present invention.
Fig. 2 is the diagrammatic cross-section of centre of gyration connector of the present invention.
Parts title and serial number in figure:
Mandrel 1, lower part hydraulic fluid port 11, cylinder 2, otic placode 21, top hydraulic fluid port 22, oil duct 23, cover board 3, oil return opening 31, angle pass
Sensor 4, stator 41, rotor 42, bracket 5.
Specific embodiment
Illustrate specific embodiment with reference to the accompanying drawing.
Excavator in the present invention includes upper brace and lower frame, and upper brace and lower frame and existing tradition are dug
The upper brace of pick machine is identical with lower frame.Excavator its difference compared with conventional excavators is in revolution in the present invention
Heart connector.
As shown in Fig. 1 Fig. 2, the centre of gyration connector in the present embodiment includes mandrel 1, center tip body, angular transducer
4, center tip body includes the cylinder 2 being sleeved on mandrel 1 and the cover board 3 for being mounted by means of bolts on 2 end of cylinder, cover board
3 centre is provided with the hole for setting angle sensor 4, is provided with screw thread, angle on cover board 3 on the hole wall of hole
It is threadedly coupled in the hole that the stator 41 of sensor 4 is located on cover board with it.It, then can be when not installing angular transducer 4
Installed plug in mounting hole, to be used as common centre of gyration connector.It is provided with otic placode 21 with holes on cylinder 2, uses
In fixed installation center tip body.
Mandrel 1 is located at the intracorporal end of center tip equipped with bracket 5.Bracket 5 has the connecting shaft and use coaxial with mandrel 1
In the mounting portion being fixedly connected with pin shaft.The oil return oil duct 12 of oil pocket between connection cover board and mandrel, oil return are provided in mandrel 1
Channel 12-Bit is located at mandrel end centre in the outlet of end face of mandrel, is provided between connection cover board and mandrel on cover board 3
The oil return interface 31 of oil pocket.The mounting portion of bracket 5 is in lath-shaped, is located at the exit of oil return oil duct 12, and both ends and mandrel connect
It connects, connecting shaft is vertically fixed on the middle part of mounting portion, the upper end of connecting shaft and the fixed company of the inner rotator 42 of angular transducer 4
It connects.When rotor 42 rotates in stator 41, stator 41 generates corresponding electric signal.
The centre of gyration connector mounting means of the installation of the centre of gyration connector of excavator and conventional excavators in the present invention
Difference, in the installation of conventional excavators centre of gyration connector, mandrel is fixedly connected, center connects upper with top revolving platform
Head body is fixedly connected under with lower frame.In excavator of the present invention, when centre of gyration connector is installed, center tip body exists
Under, it is fixedly connected with top revolving platform, mandrel is fixedly connected under with lower frame.Hydraulic Elements on lower frame are logical
It crosses pipeline lower part hydraulic fluid port 11 corresponding on mandrel to connect, each top hydraulic fluid port 22 on center tip body passes through pipeline and upper flat
Correspondence Hydraulic Elements connection on platform.Lower part hydraulic fluid port 11 on mandrel is by setting oil duct 23 on mandrel and center tip body in
Top hydraulic fluid port 22 in heart fitting body is connected to, and realizes the connection of hydraulic circuit on excavator top and the bottom vehicle frame and upper brace.
Claims (7)
1. a kind of centre of gyration connector, including mandrel and center tip body, the center tip body includes being sleeved on the mandrel
On cylinder and be fixedly mounted on the cover board of barrel end, it is characterised in that further include angular transducer, the center of the cover board
Position is provided with the hole for installing the angular transducer, and the stator of the angular transducer is fixedly mounted on and the lid
In the hole at plate center, inner rotator is fixedly connected with the mandrel.
2. centre of gyration connector according to claim 1, it is characterised in that be provided on the hole wall of hole on the cover board
Screw thread, interior be threadedly engaged with it of the hole that the stator of the angular transducer is located on the cover board connect.
3. centre of gyration connector according to claim 1 or 2, it is characterised in that be fixed with branch on the end face of the mandrel
Frame, the bracket have the connecting shaft coaxial with mandrel, and the connecting shaft is connect with the inner rotator of the angular transducer.
4. centre of gyration connector according to claim 3, it is characterised in that be provided with the connection cover board in the mandrel
The oil return oil duct of oil pocket between mandrel is provided on the cover board and is connected to the oil return of oil pocket between the cover board and mandrel and connects
Mouthful.
5. centre of gyration connector according to claim 4, it is characterised in that the drainback passage is in the end face of mandrel
Outlet is located at mandrel end centre, and the bracket has the peace being fixedly connected around the outlet with the mandrel
Dress portion.
6. centre of gyration connector according to claim 5, it is characterised in that the mounting portion is in lath-shaped, both ends difference
It is connect with the mandrel, the connecting shaft is vertically fixed on the middle part of the mounting portion.
7. a kind of excavator, including upper brace and lower frame, the upper brace are pivotally mounted on lower frame, special
Sign is to further include centre of gyration connector described in any one of claims 1 to 6, and the centre of gyration connector is vertically-mounted,
Its mandrel is fixedly connected with lower frame, and center tip body is fixedly connected with the upper brace, the liquid installed on lower frame
Element is pressed to connect by pipeline with the corresponding hydraulic fluid port on the mandrel, each hydraulic fluid port on center tip body passes through pipeline and upper flat
Correspondence Hydraulic Elements connection on platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910282826.4A CN110005016A (en) | 2019-04-10 | 2019-04-10 | Centre of gyration connector and excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910282826.4A CN110005016A (en) | 2019-04-10 | 2019-04-10 | Centre of gyration connector and excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110005016A true CN110005016A (en) | 2019-07-12 |
Family
ID=67170597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910282826.4A Pending CN110005016A (en) | 2019-04-10 | 2019-04-10 | Centre of gyration connector and excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110005016A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112880709A (en) * | 2021-01-14 | 2021-06-01 | 清华大学 | Unmanned excavator rotating platform angle measurement system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4174880B2 (en) * | 1998-11-13 | 2008-11-05 | コベルコクレーン株式会社 | Swivel joint |
| CN205393690U (en) * | 2016-02-29 | 2016-07-27 | 西安贝吉姆机床股份有限公司 | Gear grinding machine with worm grinding wheel swivel work head |
| CN106461143A (en) * | 2014-04-15 | 2017-02-22 | 凯斯纽荷兰(中国)管理有限公司 | Swivel joint with hydraulic position signal |
| US20170167115A1 (en) * | 2015-12-15 | 2017-06-15 | Harnischfeger Technologies, Inc. | System and method for estimating a payload of an industrial machine |
| CN206694712U (en) * | 2017-04-27 | 2017-12-01 | 青岛金丰源机械制造有限公司 | A kind of excavator hydraumatic swivel joint |
| CN207231452U (en) * | 2017-09-29 | 2018-04-13 | 中车齐齐哈尔车辆有限公司 | A kind of measuring device of crane rotation angle |
-
2019
- 2019-04-10 CN CN201910282826.4A patent/CN110005016A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4174880B2 (en) * | 1998-11-13 | 2008-11-05 | コベルコクレーン株式会社 | Swivel joint |
| CN106461143A (en) * | 2014-04-15 | 2017-02-22 | 凯斯纽荷兰(中国)管理有限公司 | Swivel joint with hydraulic position signal |
| US20170167115A1 (en) * | 2015-12-15 | 2017-06-15 | Harnischfeger Technologies, Inc. | System and method for estimating a payload of an industrial machine |
| CN205393690U (en) * | 2016-02-29 | 2016-07-27 | 西安贝吉姆机床股份有限公司 | Gear grinding machine with worm grinding wheel swivel work head |
| CN206694712U (en) * | 2017-04-27 | 2017-12-01 | 青岛金丰源机械制造有限公司 | A kind of excavator hydraumatic swivel joint |
| CN207231452U (en) * | 2017-09-29 | 2018-04-13 | 中车齐齐哈尔车辆有限公司 | A kind of measuring device of crane rotation angle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112880709A (en) * | 2021-01-14 | 2021-06-01 | 清华大学 | Unmanned excavator rotating platform angle measurement system |
| CN112880709B (en) * | 2021-01-14 | 2022-05-06 | 清华大学 | Unmanned excavator rotating platform angle measurement system |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190712 |
|
| RJ01 | Rejection of invention patent application after publication |