CN102840849B - Angle detection device of slewing mechanism - Google Patents
Angle detection device of slewing mechanism Download PDFInfo
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- CN102840849B CN102840849B CN201210334877.5A CN201210334877A CN102840849B CN 102840849 B CN102840849 B CN 102840849B CN 201210334877 A CN201210334877 A CN 201210334877A CN 102840849 B CN102840849 B CN 102840849B
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Abstract
The invention discloses an angle detection device of a slewing mechanism. The angle detection device comprises a fixed bracket, a slewing detection wheel, an encoder and a pre-tightening device, wherein a swing frame is connected with the fixed bracket by a rotating shaft; the slewing detection wheel is fixed on the swing frame by a shaft; an encoder rotating shaft is connected with the shaft by a shaft coupling; and one end of the pre-tightening device is fixed with the swing frame, and the other end is fixed with the fixed bracket. According to the angle detection device, a toothless slewing bearing of the slewing mechanism is pressed by the slewing detection wheel tightly so that the rotary encoder is driven to move simultaneously with the slewing detection wheel, thereby realizing the angle measurement; and meanwhile, the pre-tightening device can ensure the pressing force between the slewing detection wheel and the toothless slewing bearing of the slewing mechanism. By adopting the technical scheme, the angle detection device provided by the invention has the advantages of simple structure, convenience in installation and high maintainability, prevents the multistage gear transmission and reduces the manufacturing and processing costs.
Description
Technical field
The invention belongs to mining machinery category, also can be applicable to hoisting machinery, bulk cargo machinery and other slew gear angle detection device with slew gear.
Background technology
The common method that current heavy-duty machinery slew gear angle detects is axle head scrambler being arranged on revolution detection of gear by shaft coupling, along with revolution detection of gear synchronous revolving, and turn round detection of gear with rotary steel structure driving pinion and be meshed, and rotary steel structure driving pinion is meshed with large rotating bearing external tooth and realizes angle of revolution and detect.The weak point of this kind of scheme: transmission between (1) gear, long-time use there will be wearing and tearing, and running clearance increases, and affects accuracy of detection; (2) there is no automatic compensation function after wearing and tearing, can only be made up by more gear changing; (3) the processing and manufacturing cost of gear is higher, thus maintenance cost is increased.
Summary of the invention
The present invention is directed to above problem, the technical matters that solve is to provide one and guarantees that detection is stable, and employing spring regulates auto-compensation because of wearing and tearing generation error, reduces the slew gear angle detection device of manufacture and maintenance cost.
For reaching above object, be achieved through the following technical solutions:
A kind of slew gear angle detection device, comprising: fixed support, revolution detect wheel, scrambler and pre-tightening apparatus; Fixed support is fixed on slew gear steel superstructure; Fixed support is provided with swing span; Swing span is connected with fixed support by rotating shaft, and then swing span can rotate around the shaft; Revolution is detected wheel and is fixed on swing span by axle, and axle is connected and fixed by bearing and swing span, and then revolution detection wheel can rotate freely around axle; Scrambler is fixed on support, and scrambler rotation axis is connected with axle by shaft coupling; Pre-tightening apparatus one end and swing span are fixed, and the other end and fixed support are fixed; Swing span is provided with the pressure plare for fixing pre-tightening apparatus; Fixed support is provided with the fixed head for fixing pre-tightening apparatus; Pressure plare and pressure plare are all provided with the through hole passed for bolt, and the axis of two through holes is on same straight line; Pre-tightening apparatus comprises: bolt, spring, setting nut and hold-down nut; Bolt one end is passed the through hole on pressure plare and is connected on pressure plare, and the other end passes the through hole on fixed head and is fixed on fixed head by a pair hold-down nut, and namely fixed head both sides respectively arrange one and are nested with the hold-down nut on bolt; Bolt is equipped with spring and setting nut, and spring one end withstands on pressure plare, the other end withstands on setting nut, and then can the stroke of regulating spring by setting nut; Revolution detects wheel and adopts nylon wheel;
The present invention that have employed technique scheme has advantage:
1. make mode driven rotary encoder motion servo-actuated with it by the Non-tooth type swing bearing of nylon wheel compression slew gear, realize measurement of angle.
2. increase two-stage automatic compensation function, once nylon wheel wearing and tearing, by regulating setting nut, increasing pretightning force and realizing one-level auto-compensation.When nylon wheel may wear to a certain amount of, by regulating hold-down nut, making nylon wheel Non-tooth type swing bearing near slew gear together with swing span, offsetting the error that wear extent causes, realize secondary and compensate.
3. this mechanism structure is simple, easy for installation, avoids stage-geared, and processing and manufacturing cost reduces, maintainable high.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to technological means of the present invention can be better understood, and can be implemented according to the content of instructions, and can become apparent to allow above and other object of the present invention, feature and advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is top view cross section structural representation of the present invention.
Fig. 2 is side-looking structural representation of the present invention.
In figure: 1, fixed support, 2, revolution detects wheel, 3, scrambler, 4, pre-tightening apparatus, 5, swing span, 6, rotating shaft, 7, axle, 8, bearing, 9, shaft coupling, 10, pressure plare, 11, fixed head, 12, bolt, 13, spring, 14, setting nut, 15, hold-down nut.
Embodiment
A kind of slew gear angle detection device as depicted in figs. 1 and 2, comprising: fixed support 1, revolution detect wheel 2, scrambler 3 and pre-tightening apparatus 4; Fixed support 1 is fixed on slew gear steel superstructure; Fixed support 1 is provided with swing span 5; Swing span 5 is connected with fixed support 1 by rotating shaft 6, so swing span 5 can around the shaft 6 rotate; Revolution detects wheel 2 and is fixed on swing span 5 by axle 7, revolution is detected wheel 2 and to be nested with on axle 7 and to be connected by key, axle 7 is connected and fixed by bearing 8 and swing span 5, and bearing 8 and swing span 5 contact position are provided with the axle sleeve for preventing bearing 8 axial float, so just achieving revolution detection wheel 2 can rotate freely around axle 7; Scrambler 3 is fixed on support 1, and scrambler rotation axis is connected with axle 7 by shaft coupling 9; Swing span 5 is provided with the pressure plare 10 for fixing pre-tightening apparatus 4; Fixed support 1 is provided with the fixed head 11 for fixing pre-tightening apparatus 4; Pressure plare 10 and fixed head plate 11 are all provided with the through hole passed for bolt, and the axis of two through holes is on same straight line; Pre-tightening apparatus 4 comprises: bolt 12, spring 13, setting nut 14 and hold-down nut 15; Bolt 12 one end is passed the through hole on pressure plare 10 and is connected on pressure plare 10, the other end passes the through hole on fixed head 11 and is fixed on fixed head 11 by a pair hold-down nut 15, and namely fixed head 11 both sides respectively arrange one and are nested with the hold-down nut 15 on bolt 12; Bolt 12 is equipped with spring 13 and setting nut 14, and spring 13 one end withstands on pressure plare 10, the other end withstands on setting nut 14, and then can the stroke of regulating spring 13 by setting nut 14, so just changes the elastic force that spring 13 provides;
Revolution detects wheel 2 and can adopt common wheel and be fixed with anti-slip rubber material at wheel ring textures, or directly select nylon wheel, like this when the present invention uses, detecting wheel 2 slight deformation mode by revolution ensures with tested slew gear Non-tooth type swing bearing surface contact good, realizing slew gear Non-tooth type swing bearing drives revolution detection wheel 2 to rotate, so just without the need at slew gear Non-tooth type swing bearing surface working tooth, the rotation that revolution detects wheel 2 just drives scrambler rotation axis to rotate, and then scrambler 3 just can realize measurement of angle, ensure that the accuracy measured will guarantee that revolution detects wheel 2 and rotates synchronous with slew gear Non-tooth type swing bearing, the present invention is supplied to revolution by pre-tightening apparatus 4 and detects snap-in force between wheel 2 and slew gear Non-tooth type swing bearing, the size of snap-in force can change by rotating adjusting nut 14 elastic force that spring 13 is supplied to swing span 5 and regulate, wear and tear once revolution detects wheel 2, by regulating the position of setting nut 14 on bolt 12, increasing pretightning force and realizing one-level auto-compensation, may wear to a certain amount of when revolution detects wheel 2, by regulating hold-down nut 15(namely by changing the length of bolt 12 between pressure plare 10 and fixed head 11), make nylon wheel Non-tooth type swing bearing near slew gear together with swing span, offset the error that wear extent causes, realize secondary and compensate,
Adopt the structure of the present invention of technique scheme simple, easy for installation, avoid stage-geared, processing and manufacturing cost reduces, maintainable high.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art are not departing within the scope of technical solution of the present invention, when the technology contents that appeal can be utilized to disclose is made a little change or is modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (3)
1. a slew gear angle detection device, is characterized in that: comprise fixed support (1), revolution detects wheel (2), scrambler (3) and pre-tightening apparatus (4); Described fixed support (1) is fixed on slew gear steel superstructure; Described fixed support (1) is provided with swing span (5); Described swing span (5) is connected with fixed support (1) by rotating shaft (6), and then swing span (5) can (6) rotate around the shaft; Described revolution detects wheel (2) and is fixed on swing span (5) by axle (7), and described axle (7) is connected and fixed by bearing (8) and swing span (5), and then revolution detection wheel (2) can rotate freely around axle (7); Described scrambler (3) is fixed on fixed support (1), and scrambler rotation axis is connected with axle (7) by shaft coupling (9); Described pre-tightening apparatus (4) one end and swing span (5) are fixed, and the other end and fixed support (1) are fixed.
2. a kind of slew gear angle detection device according to claim 1, is characterized in that: described swing span (5) is provided with the pressure plare (10) for fixing pre-tightening apparatus (4); Described fixed support (1) is provided with the fixed head (11) for fixing pre-tightening apparatus (4); Described pressure plare (10) and fixed head (11) are all provided with the through hole passed for bolt, and the axis of two through holes is on same straight line; Described pre-tightening apparatus (4) comprising: bolt (12), spring (13), setting nut (14) and hold-down nut (15); Described bolt (12) one end is passed the through hole on pressure plare (10) and is connected on pressure plare (10), the other end is also fixed on fixed head (11) by a pair hold-down nut (15) through the through hole on fixed head (11), and namely fixed head (11) both sides respectively arrange one and are nested with the hold-down nut (15) on bolt (12); Described bolt (12) is equipped with spring (13) and setting nut (14), and described spring (13) one end withstands on pressure plare (10), the other end withstands on setting nut (14), and then can the stroke of regulating spring (13) by setting nut (14).
3. a kind of slew gear angle detection device according to claim 1, is characterized in that: described revolution detects wheel (2) and adopts nylon wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210334877.5A CN102840849B (en) | 2012-09-11 | 2012-09-11 | Angle detection device of slewing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210334877.5A CN102840849B (en) | 2012-09-11 | 2012-09-11 | Angle detection device of slewing mechanism |
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| Publication Number | Publication Date |
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| CN102840849A CN102840849A (en) | 2012-12-26 |
| CN102840849B true CN102840849B (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210334877.5A Active CN102840849B (en) | 2012-09-11 | 2012-09-11 | Angle detection device of slewing mechanism |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106767655B (en) * | 2016-12-25 | 2018-12-07 | 重庆市永川区益锐机械有限责任公司 | Compensation angle detection device |
| CN106814204B (en) * | 2016-12-25 | 2019-01-15 | 重庆市永川区益锐机械有限责任公司 | Rotational speed detection device |
| CN110146048B (en) * | 2019-06-17 | 2024-02-02 | 上海铁路机车车辆发展有限公司 | Novel crane rotation angle measurement device |
| CN112923896B (en) * | 2021-01-22 | 2023-06-13 | 武汉木仓科技股份有限公司 | Universal angle detection device and vehicle |
| CN113029083B (en) * | 2021-05-31 | 2021-08-03 | 招远市金环回转支承有限公司 | Angle detection device of slewing mechanism |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100390315B1 (en) * | 2000-12-30 | 2003-07-07 | 삼성탈레스 주식회사 | Apparatus for measuring absolute angle and method thereof |
| JP5192510B2 (en) * | 2010-03-25 | 2013-05-08 | 三菱電機株式会社 | Rotation angle measurement device and rotation angle measurement method for rotation device |
| KR20120072520A (en) * | 2010-12-24 | 2012-07-04 | 두산인프라코어 주식회사 | Installation structure of angle sensor for link part of construction machinery |
| CN201999663U (en) * | 2011-01-26 | 2011-10-05 | 徐州赫思曼电子有限公司 | Moment limiter for providing safe rotation area protection for outrigger in various states |
| CN202814384U (en) * | 2012-09-11 | 2013-03-20 | 大连华锐重工集团股份有限公司 | Angle detection apparatus for swing mechanism |
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| CN102840849A (en) | 2012-12-26 |
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