CN202296923U - Crane and rotating mechanism thereof - Google Patents
Crane and rotating mechanism thereof Download PDFInfo
- Publication number
- CN202296923U CN202296923U CN2011204138544U CN201120413854U CN202296923U CN 202296923 U CN202296923 U CN 202296923U CN 2011204138544 U CN2011204138544 U CN 2011204138544U CN 201120413854 U CN201120413854 U CN 201120413854U CN 202296923 U CN202296923 U CN 202296923U
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- CN
- China
- Prior art keywords
- coder
- support
- turntable
- gear
- crane
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a rotating mechanism of a crane, which comprises a rotary table, a rotating support and an encoder. The encoder is connected with the rotary table, a gear is disposed on a detecting shaft of the encoder, the encoder is in transmission connection with toothed portion of the rotating support by the gear, and is positioned on one side of the rotary table, and the gear is directly meshed with the toothed portion of the rotating support. The rotating mechanism has the advantages that the height of a central rotating body cannot be increased on the premise of guaranteeing detection precision, and the rotating mechanism is more intuitive and convenient in installation and maintenance. The utility model further discloses the crane provided with the rotating mechanism.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly the swing type mechanism of hoisting crane.The utility model also relates to the hoisting crane that is provided with said swing type mechanism.
Background technology
Hoisting crane is a kind ofly the time to utilize the crane arm weight of slinging in work, relies on the turntable revolution with the construction machinery and equipment of weight from a position transfer to another one position then.
Swing type mechanism is the rotating part of hoisting crane is realized gyroscopic movement with respect to non-rotating part a device; Its effect is to make upper frame part do gyroscopic movement around the center of gyration of hoisting crane; And will get on the bus and get off with the mode that roll to support and fuse, make the loading transfer of getting on the bus to the chassis frame.Generally comprise turntable, pivoting support and center steering body, wherein connecting frame and turntable are supported in revolution, and the supporting turntable, and the relative vehicle frame of turntable is rotated, and the center steering body is installed in the middle of the turntable, connect to get on the bus and get off and oil circuit, circuit.
Degreeof turn is meant with the vehicle frame to be the plane, and the headstock direction is a zero degree, and the angle between arm projection and the headstock direction in order to detect degreeof turn, generally needs to increase coder (a kind of sensor of detection angles) and detects.
The coder of existing most of hoisting cranes all is mounted in the center steering body basically, can increase the height of center steering body like this, not only influences integral layout, and after gyro-rotor increased, the part type can't be installed and used at all.
Therefore, how eliminating because coder is installed to the above-mentioned adverse effect that swing type mechanism causes, is the present technical issues that need to address of those skilled in the art.
The utility model content
First purpose of the utility model provides a kind of crane rotation mechanism.This swing type mechanism can not increase the height of center steering body under the prerequisite that guarantees accuracy of detection, and installs, overhauls directly perceived more, convenient.
Second purpose of the utility model provides a kind of hoisting crane that is provided with said swing type mechanism.
In order to realize above-mentioned first purpose; The utility model provides a kind of crane rotation mechanism; Comprise that turntable, revolution support and coder, said coder is connected with turntable, and it detects and spool is provided with gear and the tooth portion through said gear and pivoting support is in transmission connection.
Preferably, said coder is positioned at said turntable one side.
Preferably, said direct geared is meshed with the tooth portion that revolution is supported.
Preferably, the detection axle of said coder and the rotating shaft of said gear connect through coupler.
Preferably, said coder is connected through support with turntable, and an end of said support is connected in the position, edge of said turntable, and the other end outwards overhangs and said coder is installed.
Preferably, the connecting bore of said support and turntable is a slotted hole radially.
Preferably, said coder is positioned at said support top, and said gear is positioned at said support below.
In order to realize above-mentioned second purpose, the utility model also provides a kind of hoisting crane, comprise the hoisting crane body and on swing type mechanism, said swing type mechanism is above-mentioned each described crane rotation mechanism.
The crane rotation mechanism that the utility model provides no longer is installed in coder in the center steering body, is in transmission connection but it is connected back tooth portion through gear and pivoting support with turntable.Like this, when turntable when vehicle frame rotates, pivoting support does not rotate relative to vehicle frame; The detection axle of coder can rotate through gear; If revolution is supported and the transmitting ratio of gear is n, then turntable rotates a week, and coder rotates n week; In program, the detected value of coder is handled, can be calculated the degreeof turn of turntable according to coder and the transmitting ratio that revolution is supported.This detecting device can not increase the height of center steering body under the prerequisite that guarantees the angular detection precision, and installs, overhauls directly perceived more, convenient.
In a kind of specific embodiment, the connecting bore of said support and turntable is a slotted hole radially.Can adjusting gear and the gap of revolution support teeth portion through the slotted hole on the support, so that both are adjusted to best engagement, thereby reach the purpose of eliminating error, guaranteeing accuracy of detection.
The hoisting crane that the utility model provided is provided with above-mentioned swing type mechanism, because above-mentioned swing type mechanism has above-mentioned technique effect, the hoisting crane with this swing type mechanism also should possess the corresponding techniques effect.
Description of drawings
Fig. 1 is the structural representation of swing type mechanism that the utility model provides;
The structural representation that Fig. 2 is connected with support for coder shown in Fig. 1, gear.
Among the figure:
1. 3. coders, 4. supports, 5. gears, 6. connecting bores, 7. rotating shafts, 8. coupler are supported in turntable 2. revolutions
The specific embodiment
The core of the utility model provides a kind of crane rotation mechanism.This swing type mechanism can not increase the height of center steering body under the prerequisite that guarantees accuracy of detection, and installs, overhauls directly perceived more, convenient.
Another core of the utility model provides a kind of hoisting crane that is provided with said swing type mechanism.
In order to make those skilled in the art person understand the utility model scheme better, the utility model is done further to specify below in conjunction with the accompanying drawing and the specific embodiment.
The term in expression orientation such as " upper and lower, left and right " among this paper is based on the position relation of accompanying drawing, should it be interpreted as the absolute qualification to protection domain.
Please refer to Fig. 1, Fig. 2, Fig. 1 is the structural representation of swing type mechanism that the utility model provides; The structural representation that Fig. 2 is connected with support for coder shown in Fig. 1, gear.
In a kind of specific embodiment, the crane rotation mechanism that the utility model provides comprises turntable 1, revolution support 2 and coder 3, and wherein coder 3 is positioned at turntable 1 one sides, and is connected with turntable 1 through support 4.Like this, change, keep in repair coder 3 more easily, it is also comparatively convenient to install.
Particularly, an end of support 4 is connected in the position, edge of turntable 1, and the other end outwards overhangs and coder 3 is installed, and coder 3 is positioned at support 1 top, and gear 5 is positioned at support 4 belows.
The detection axle of coder 3 and the rotating shaft 7 of gear 5 connect through coupler 8, are convenient to Machining of Gear 5 like this.
Above-mentioned crane rotation mechanism no longer is installed in coder 3 in the center steering body, is in transmission connection through the tooth portion of gear 5 with pivoting support 2 but it is connected the back with turntable 1.Like this, when turntable 1 when vehicle frame rotates, pivoting support 2 does not rotate relative to vehicle frame; The detection axle of coder 3 can rotate through gear 5; If revolution support 2 is n with the transmitting ratio of gear 5, then turntable 1 rotates a week, and coder 3 rotates n week; In program, the detected value of coder 3 is handled, can be calculated the degreeof turn of turntable 1 according to the coder 3 and the transmitting ratio of revolution support 2.
This detecting device can not increase the height of center steering body under the prerequisite that guarantees the angular detection precision, and installs, overhauls directly perceived more, convenient.
Certainly, above-mentioned crane rotation mechanism only is a kind of preferred version, specifically is not limited thereto, and can make pointed adjustment according to actual needs on this basis, thereby obtain different embodiment.For example, coder is installed in turntable other position except that the center steering body, perhaps the detection axle of the coder tooth portion through train of gears and pivoting support is in transmission connection or the like.
Except above-mentioned crane rotation mechanism, the utility model also provides a kind of hoisting crane, comprise the hoisting crane body and on swing type mechanism, said swing type mechanism is a crane rotation mechanism mentioned above, all the other structures please refer to prior art, this paper repeats no more.
More than crane rotation mechanism and hoisting crane that the utility model provided have been carried out detailed introduction.Used concrete example among this paper the principle and the embodiment of the utility model are set forth, the explanation of above embodiment just is used to help to understand the core concept of the utility model.Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (8)
1. crane rotation mechanism comprises that turntable, revolution support and coder, it is characterized in that said coder is connected with turntable, and it detects and spool is provided with gear and the tooth portion through said gear and pivoting support is in transmission connection.
2. crane rotation according to claim 1 mechanism is characterized in that said coder is positioned at said turntable one side.
3. crane rotation according to claim 2 mechanism is characterized in that, said direct geared is meshed with the tooth portion that revolution is supported.
4. crane rotation according to claim 3 mechanism is characterized in that the detection axle of said coder and the rotating shaft of said gear connect through coupler.
5. according to each described crane rotation mechanism of claim 1 to 4, it is characterized in that said coder is connected through support with turntable, an end of said support is connected in the position, edge of said turntable, and the other end outwards overhangs and said coder is installed.
6. crane rotation according to claim 5 mechanism is characterized in that the connecting bore of said support and turntable is a slotted hole radially.
7. crane rotation according to claim 5 mechanism is characterized in that, said coder is positioned at said support top, and said gear is positioned at said support below.
8. hoisting crane, comprise the hoisting crane body and on swing type mechanism, it is characterized in that said swing type mechanism is each described crane rotation mechanism of aforesaid right requirement 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204138544U CN202296923U (en) | 2011-10-26 | 2011-10-26 | Crane and rotating mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204138544U CN202296923U (en) | 2011-10-26 | 2011-10-26 | Crane and rotating mechanism thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202296923U true CN202296923U (en) | 2012-07-04 |
Family
ID=46365862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204138544U Expired - Fee Related CN202296923U (en) | 2011-10-26 | 2011-10-26 | Crane and rotating mechanism thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202296923U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075993A (en) * | 2012-12-28 | 2013-05-01 | 三一重工股份有限公司 | Rotation angle measuring device and engineering machinery |
| CN103641003A (en) * | 2013-12-09 | 2014-03-19 | 招商局重工（江苏）有限公司 | Large-diameter large-modulus flexible adjustable rotary driving device |
| CN104843616A (en) * | 2015-04-17 | 2015-08-19 | 徐州徐工随车起重机有限公司 | Overhead working truck boom and control method for working radius of overhead working truck boom |
| CN105377740A (en) * | 2014-06-16 | 2016-03-02 | 三星重工业有限公司 | Apparatus and method for a turret test |
| CN109153551A (en) * | 2016-04-15 | 2019-01-04 | 伊特里克公司 | Slewing bearing, method of using slewing bearing, lifting crane and vessel |
-
2011
- 2011-10-26 CN CN2011204138544U patent/CN202296923U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075993A (en) * | 2012-12-28 | 2013-05-01 | 三一重工股份有限公司 | Rotation angle measuring device and engineering machinery |
| CN103075993B (en) * | 2012-12-28 | 2016-01-20 | 三一重工股份有限公司 | Angle of revolution measurement mechanism and engineering machinery |
| CN103641003A (en) * | 2013-12-09 | 2014-03-19 | 招商局重工（江苏）有限公司 | Large-diameter large-modulus flexible adjustable rotary driving device |
| CN105377740A (en) * | 2014-06-16 | 2016-03-02 | 三星重工业有限公司 | Apparatus and method for a turret test |
| CN104843616A (en) * | 2015-04-17 | 2015-08-19 | 徐州徐工随车起重机有限公司 | Overhead working truck boom and control method for working radius of overhead working truck boom |
| CN109153551A (en) * | 2016-04-15 | 2019-01-04 | 伊特里克公司 | Slewing bearing, method of using slewing bearing, lifting crane and vessel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20201026 |