CN103471556A - Device for measuring rotation angle for return driving during loading of rotary drilling rig - Google Patents
Device for measuring rotation angle for return driving during loading of rotary drilling rig Download PDFInfo
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- CN103471556A CN103471556A CN2013103696655A CN201310369665A CN103471556A CN 103471556 A CN103471556 A CN 103471556A CN 2013103696655 A CN2013103696655 A CN 2013103696655A CN 201310369665 A CN201310369665 A CN 201310369665A CN 103471556 A CN103471556 A CN 103471556A
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Abstract
The invention relates to a device for measuring a rotation angle for return driving during loading of a rotary drilling rig. An inner tooth type return support is arranged on an unloading ring base (1), an inner gear ring (2) of the return support is fixed with the unloading ring base (1), an outer gear ring of the return support is fixed with a loading platform (3), a stepped hole is formed in the loading platform (3), a mounting plate (5) is fixed in the stepped hole, a transmission shaft (9) and an encoder mounting base (6) are fixedly arranged on the mounting plate (5), a rotary encoder (7) is arranged on the mounting base (6), one end of the transmission shaft (9) is connected with an input shaft of the rotary encoder (7) by virtue of a coupler (8), a transmission gear (12) is fixedly arranged at the other end of the transmission shaft (9), and the transmission gear (12) and the inner gear ring (2) are in meshing transmission. The rotary encoder is in gear transmission, transmission ratio is constant, data transmission can not produce loss owning to a transmission path, a measuring angle error is small, maintenance cost is low, the transmission gear and the transmission shaft are in split structures, positioning is accurate, and dismounting is convenient.
Description
Technical field
The present invention relates to the measurement of angle that piling machinery field rotary drilling rig upper-part rotation drives, have particular application as and use a kind of rotary encoder, when the upper-part rotation reductor driving gear of rotary drilling rig, while by revolution, supporting the rotation of ring gear driving getting-on platform, the accurate measurement of the anglec of rotation.
Background technology
Revolve and dig while being drilled to the hole operation, the banks such as the rock of drilling bucket collection, gravel need to be placed on to the inoperative zone, in order to realize This move, rotary drilling rig is by hydraulic system system drive rotary motor, the output shaft of rotary motor and rotary reducer input shaft link, thereby indirect drive installation driving pinion on the rotary reducer output shaft, pinion wheel on reductor, by the ring gear engagement with being fixed on the ring support of getting off, is realized the gyration of getting on the bus from an evolution to another position of rotary drilling rig.Because rotary drilling rig need in order to improve the linearity of pore-forming, need be taked certain measure to same stake hole operation repeatedly, guarantee that the upper-part rotation of rotary drilling rig accurately resets.Usually rotation angle measurement accurately whether, relation that precise part is measured and the controllable degree of operating structure.
CN102401643A discloses a kind of device for measuring rotation angle transmission be arranged between rotary body 1 and seat 2, fixed installation the first gear 10 on rotary body 1, be fixedly connected with a rotary encoder 22 on present 2, the input shaft of rotary encoder 22 connects a turning axle 20 by shaft coupling, establish a gear set 11 at the other end of turning axle 20, gear set 11 and the first gear 10 engagements, accurately be delivered to the input shaft of rotary encoder 22 with the anglec of rotation by rotary body 1, but above-mentioned principle is to utilize the gear of external toothing to survey the anglec of rotation of relative axle, rotate decentraction, said structure can increase in the turning axle outside of rotary body 1 volume that transmits position, and not in a kind of enclosed environment, test, and there is no locking design.
The rotary encoder mounting means of other prior aries, rotary encoder is arranged too and get on the bus fixing, the supporting seat cylindrical supported with the revolution of a kind of plastic wheel and internal-gear type carries out rolling, essence says that this structure belongs to friction gearing, once this structure plastic wheel and revolution are supported between outer ring and are formed gap on the one hand, transmission will be lost efficacy, and rotary encoder is measured distortion; During friction gearing, because the two does not have strict ratio of gear, be easy to occur relative sliding on the other hand, directly to measurement result, produce larger error, thereby cause upper-part rotation to be controlled, produce relatively large deviation, the directly construction quality in an impact hole.
Summary of the invention
The problem existed for above-mentioned prior art, the objective of the invention is to realize accurately to measure the angle of getting on the bus during gyration from an evolution to another position of rotary drilling rig, the upper-part rotation that guarantees rotary drilling rig accurately resets, and this device will meet in the enclosed environment that the sealing of O type circle is arranged, and locking design be arranged.
The present invention is achieved in that
A kind of rotating angle measurement apparatus driven for the rotary drilling rig upper-part rotation, the anglec of rotation of described device for measuring getting-on platform and getting off between ring support, get off on ring support and an internal-gear type revolution is installed supports, the ring gear that revolution is supported is fixed with the ring support of getting off, external toothing and getting-on platform that revolution is supported are fixed, open a shoulder hole on getting-on platform, mounting plate in shoulder hole, fixed installation one transmission shaft and scrambler mount pad on installing plate, rotary encoder is installed on mount pad, one end of transmission shaft is connected with the input shaft of rotary encoder by shaft coupling, the other end fixed installation transmission gear of transmission shaft, described transmission gear and ring gear engaged transmission.
Further, transmission gear, by flat key and transmission shaft location, is locked by hexagonal nut.
Further, carry out axial limiting in the described hexagonal nut outside with split pin.
Further, transmission gear and ring gear are immersed in oil sump.
Further, described transmission shaft is arranged on installing plate by rolling bearing and bearing seat, and the verticality of locating transmission axle axis.
Further, described transmission shaft is arranged in the shoulder hole of described getting-on platform by rolling bearing and bearing seat, and the verticality of locating transmission axle axis.
Further, the rotation disalignment of the axis of described transmission gear and getting-on platform, the ring support of getting off.
Further, the axis of described transmission gear is coaxial with the rotation of getting-on platform, the ring support of getting off.
The invention has the beneficial effects as follows:
1. the driving of rotary drilling rig upper-part rotation is gear drive with rotary encoder, does not produce relative sliding, and ratio of gear is constant, and the data transmission can not lost because bang path produces, and the error that takes measurement of an angle is little, and maintenance cost is low, the high characteristics of angle of revolution precision of measuring.
2, the detachable structure of transmission gear and transmission shaft, simple in structure, and location is accurate, easy accessibility.
The accompanying drawing explanation
The rotary drilling rig upper-part rotation that Fig. 1 is the embodiment of the present invention 1 drives the front view with rotary encoder.
The rotary drilling rig upper-part rotation that Fig. 2 is the embodiment of the present invention 2 drives the front view with rotary encoder.
The rotary drilling rig upper-part rotation that Fig. 3 is the embodiment of the present invention 3 drives the front view with rotary encoder.
Reference numeral in above-mentioned figure:
1 ring support of getting off, 2 ring gears, 3 getting-on platforms, 5 mount pads, 6 scrambler mount pads, 7 absolute encoders, 8 bellows couplings, 9 transmission shafts, 10 rolling bearings, 11 circlip for holes, 12 transmission gears, 13 flat keys, 14 hexagonal nuts, 15 split pins
Embodiment
Embodiment 1
Rotary drilling rig upper-part rotation of the present invention drives uses rotary encoder, as shown in Figure 1: to test now get off ring support 1 and and the getting-on platform 3 of the ring support 1 concentric shafts rotation of getting off between the anglec of rotation, the described ring support 1 of getting off is all larger with the diameter of getting-on platform 3, and in the environment in sealing.
An internal-gear type revolution is installed on the ring support 1 of getting off of rotary drilling rig to be supported, the ring gear 2 that revolution is supported is fixing with the ring support 1 of getting off, the external toothing that revolution is supported and getting-on platform 3 are fixing, open a shoulder hole on getting-on platform 3, use screw fastening installing plate 5 in shoulder hole, scrambler mount pad 6 is housed on installing plate 5, absolute encoder 7 is arranged on scrambler mount pad 6 by bolt, absolute encoder 7 input shafts link by bellows coupling 8 and transmission shaft 9, transmission shaft 9 is arranged on installing plate 5 by rolling bearing 10 and bearing seat, transmission shaft 9 upper ends are provided with step surface and contact with upper end rolling bearing 10, transmission shaft 9 is carried out to axial limiting, avoid the axial force of shaft coupling excessive, prevent case accident, the outer ring of rolling bearing 10 all is furnished with circlip for hole 11 location, transmission gear 12 is arranged on the end of transmission shaft 9, in order to guarantee that transmission gear 12 and transmission shaft 9 do not produce relative rotation, introduce flat key 13, and adopt 14 pairs of transmission gears of hexagonal nut to be locked, spacing with split pin 15 at transmission shaft 9 ends, the part that prevents from being arranged on transmission shaft 9 is scattering in oil sump, cause adverse consequences.For preventing that dust from entering into oil sump by scrambler, O-ring seals 4 is set on installing plate 5.
It is as main transmission and bearing carrier that above-mentioned internal-gear type revolution is supported, described ring gear 2 is the low-speed heavy-loaded gear transmission with the gear drive of external toothing, adopt the closed-type gear transmission of 8 class precisions, can be helical gears, also can be herringbone wheel, can be also spur gear wheel, the said gear transmission adopts oil sump lubricated.
The transfer principle of said structure is, when platform rotates, getting-on platform 3 rotates an angle θ with respect to the ring support 1 of getting off, and the ring gear 2 be fixedly connected with the ring support 1 of getting off is (as tooth number Z
1=99) also rotate an angle θ, ring gear 2 band nutating gears 12 are (as tooth number Z
2=8) rotate θ
1, transmission gear 12 drives transmission shaft 9 rotational angle θ
1, transmission shaft 9 drives the input shaft rotation of absolute encoder 7, this angle θ by bellows coupling 8
1be rotated angular encoder and send control system to, realize the collection of angle-data signal, by the known θ of gear ratio
1=99/8=θ, realize that getting-on platform 3 often revolves while turning around, and the input shaft of scrambler 7 rotation 12.375 circles, realize the accurate measurement of angle.
It is gear drive with rotary encoder that the rotary drilling rig upper-part rotation drives, the modulus of transmission gear 12 is identical with ring gear, ratio of gear is constant, the data transmission can because of bang path, produce to lose the error that takes measurement of an angle not little, precision is high, and the detachable structure of transmission gear 12 and transmission shaft 9 is simple in structure, save material, location is accurate.
Open a shoulder hole on getting-on platform 3, one bearing seat and described installing plate 5 are made into integration, transmission shaft 9 and rolling bearing 10 are installed in bearing seat, aperture installation shaft bearing, the aperture transition fit of the cylindrical of bearing seat and shoulder hole, the verticality of the step surface positioning bearing seat central axis by shoulder hole, transmission shaft is large diameter in bearing seat, and the part that expose on bearing seat top adopts minor diameter, with rotary encoder, by shaft coupling, be connected.
The advantage of above-mentioned mounting structure is, but the verticality of the axis of positioning bearing seat has guaranteed the accuracy of mesh of transmission gear 12 with ring gear 2.
Other structures are identical with embodiment 1.
Embodiment 1-2 is all minor diameter planet pinion 9 and large diameter ring gear 2 engagements, the axis that the two is different, if adopt large diameter interior transmission gear 9, and the coaxial cable rotation, the center that can omit does not overlap and the conversion error that produces.
The rotary drilling rig upper-part rotation drives has stable work in work with rotary encoder, maintenance cost is low, realized measuring the angle of revolution of the different objects of concentric shafts rotation in enclosed environment, have the advantages that precision is high, the centre distance of internal gear is little simultaneously, compact conformation, be suitable for the structural design of small space.
Claims (8)
1. measure the rotating angle measurement apparatus between getting-on platform (3) and the ring support of getting off (1) for rotary drilling rig for one kind, comprise rotary coding (7), shaft coupling (8), transmission shaft (9) and transmission gear (12), it is characterized in that: in internal-gear type revolution of the upper installation of the ring support of getting off (1) of rotary drilling rig, support, the ring gear (2) that revolution is supported is fixing with the ring support (1) of getting off, the external toothing that revolution is supported and the getting-on platform (3) of this rotary drilling rig are fixing, open a shoulder hole on getting-on platform (3), mounting plate in shoulder hole (5), at installing plate (5) upper fixed installation one transmission shaft (9) and scrambler mount pad (6), at the upper rotary encoder (7) of installing of mount pad (6), one end of transmission shaft (9) is connected with the input shaft of rotary encoder (7) by shaft coupling (8), the other end fixed installation transmission gear (12) of transmission shaft (9), ring gear (2) engaged transmission that described transmission gear (12) and described revolution are supported.
2. as claimed in claim 1ly for rotary drilling rig, measure the rotating angle measurement apparatus between getting-on platform (3) and the ring support of getting off (1) for one kind, it is characterized in that, transmission gear (12), by flat key (13) and transmission shaft (9) location, is locked by hexagonal nut (14).
3. as claimed in claim 1ly for rotary drilling rig, measure the rotating angle measurement apparatus between getting-on platform (3) and the ring support of getting off (1) for one kind, it is characterized in that, outside described hexagonal nut (14), with split pin (15), carry out axial limiting.
4. as claimed in claim 1ly for rotary drilling rig, measure the rotating angle measurement apparatus between getting-on platform (3) and the ring support of getting off (1) for one kind, it is characterized in that, transmission gear (12) and ring gear (2) are immersed in oil sump.
5. as claimed in claim 1ly for rotary drilling rig, measure the rotating angle measurement apparatus between getting-on platform (3) and the ring support of getting off (1) for one kind, it is characterized in that, it is upper that described transmission shaft (9) is arranged on installing plate (5) by rolling bearing (10) and bearing seat, and the verticality of locating transmission axle axis.
6. as claimed in claim 1ly for rotary drilling rig, measure the rotating angle measurement apparatus between getting-on platform (3) and the ring support of getting off (1) for one kind, it is characterized in that, described transmission shaft (9) is fixedly mounted in the shoulder hole of described getting-on platform (3) by rolling bearing (10) and bearing seat, described bearing seat and described installing plate (5) are made into integration, the aperture transition fit of the cylindrical of bearing seat and shoulder hole, and the verticality of the step surface locating transmission axle axis by shoulder hole.
7. as claimed in claim 1ly for rotary drilling rig, measure the rotating angle measurement apparatus between getting-on platform (3) and the ring support of getting off (1) for one kind, it is characterized in that the rotation disalignment of the axis of described transmission gear (12) and getting-on platform (3), the ring support of getting off (1).
8. as claimed in claim 1ly for rotary drilling rig, measure the rotating angle measurement apparatus between getting-on platform (3) and the ring support of getting off (1) for one kind, it is characterized in that, the axis of described transmission gear (12) is coaxial with the rotation of getting-on platform (3), the ring support of getting off (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310369665.5A CN103471556B (en) | 2013-08-22 | 2013-08-22 | Rotary drilling rig upper-part rotation driving rotating angle measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310369665.5A CN103471556B (en) | 2013-08-22 | 2013-08-22 | Rotary drilling rig upper-part rotation driving rotating angle measurement apparatus |
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| CN103471556A true CN103471556A (en) | 2013-12-25 |
| CN103471556B CN103471556B (en) | 2016-08-17 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107313765A (en) * | 2017-08-10 | 2017-11-03 | 恒天九五重工有限公司 | It is a kind of can flexible deflection rotary encoder mounting bracket |
| CN108060693A (en) * | 2017-11-29 | 2018-05-22 | 中联重科股份有限公司渭南分公司 | Rotation detecting, control system, method and the excavator of excavator |
| CN108223481A (en) * | 2018-03-21 | 2018-06-29 | 烟台工程职业技术学院 | Numerical control oscillating oil cylinder and control method |
| CN108386456A (en) * | 2018-05-08 | 2018-08-10 | 邯郸钢铁集团有限责任公司 | Rotary encoder elastic connecting device |
| CN108592849A (en) * | 2018-04-09 | 2018-09-28 | 杭叉集团股份有限公司 | Fork truck three-dimensional accessory rotation angle detection apparatus |
| CN110001768A (en) * | 2019-04-28 | 2019-07-12 | 山东华力机电有限公司 | A kind of steering wheel structure and the AGV using the steering wheel |
| CN112762883A (en) * | 2020-12-29 | 2021-05-07 | 中国航空工业集团公司西安飞机设计研究所 | Device and method for measuring deflection angle of control surface of slat |
| CN112815906A (en) * | 2020-12-31 | 2021-05-18 | 恒天九五重工有限公司 | Rotary angle detection device of rotary drilling rig |
| CN112857185A (en) * | 2020-12-31 | 2021-05-28 | 恒天九五重工有限公司 | Real-time detection method for rotation angle of rotary drilling rig |
| CN113389538A (en) * | 2021-06-29 | 2021-09-14 | 北京三一智造科技有限公司 | Vehicle body rotation control method and system |
| CN114459416A (en) * | 2021-12-29 | 2022-05-10 | 湖南中联重科应急装备有限公司 | Rotation angle detection device and aerial work equipment |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107313765A (en) * | 2017-08-10 | 2017-11-03 | 恒天九五重工有限公司 | It is a kind of can flexible deflection rotary encoder mounting bracket |
| CN108060693A (en) * | 2017-11-29 | 2018-05-22 | 中联重科股份有限公司渭南分公司 | Rotation detecting, control system, method and the excavator of excavator |
| CN108223481A (en) * | 2018-03-21 | 2018-06-29 | 烟台工程职业技术学院 | Numerical control oscillating oil cylinder and control method |
| CN108592849A (en) * | 2018-04-09 | 2018-09-28 | 杭叉集团股份有限公司 | Fork truck three-dimensional accessory rotation angle detection apparatus |
| CN108386456B (en) * | 2018-05-08 | 2023-06-30 | 邯郸钢铁集团有限责任公司 | Elastic connecting device for rotary encoder |
| CN108386456A (en) * | 2018-05-08 | 2018-08-10 | 邯郸钢铁集团有限责任公司 | Rotary encoder elastic connecting device |
| CN110001768A (en) * | 2019-04-28 | 2019-07-12 | 山东华力机电有限公司 | A kind of steering wheel structure and the AGV using the steering wheel |
| CN112762883A (en) * | 2020-12-29 | 2021-05-07 | 中国航空工业集团公司西安飞机设计研究所 | Device and method for measuring deflection angle of control surface of slat |
| CN112857185A (en) * | 2020-12-31 | 2021-05-28 | 恒天九五重工有限公司 | Real-time detection method for rotation angle of rotary drilling rig |
| CN112815906A (en) * | 2020-12-31 | 2021-05-18 | 恒天九五重工有限公司 | Rotary angle detection device of rotary drilling rig |
| CN113389538A (en) * | 2021-06-29 | 2021-09-14 | 北京三一智造科技有限公司 | Vehicle body rotation control method and system |
| CN113389538B (en) * | 2021-06-29 | 2023-07-11 | 北京三一智造科技有限公司 | Vehicle body rotation control method and system |
| CN114459416A (en) * | 2021-12-29 | 2022-05-10 | 湖南中联重科应急装备有限公司 | Rotation angle detection device and aerial work equipment |
| CN114459416B (en) * | 2021-12-29 | 2024-03-01 | 湖南中联重科应急装备有限公司 | Rotation angle detection device and aerial working equipment |
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