CN203364804U - Device for measuring rotation angle of rotation mechanism - Google Patents

Device for measuring rotation angle of rotation mechanism Download PDF

Info

Publication number
CN203364804U
CN203364804U CN 201320496437 CN201320496437U CN203364804U CN 203364804 U CN203364804 U CN 203364804U CN 201320496437 CN201320496437 CN 201320496437 CN 201320496437 U CN201320496437 U CN 201320496437U CN 203364804 U CN203364804 U CN 203364804U
Authority
CN
China
Prior art keywords
angle
disc
code
revolution
measurement mechanism
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.)
Active
Application number
CN 201320496437
Other languages
Chinese (zh)
Inventor
王玖玖
岳红旭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zoomlion Heavy Industry Science and Technology Co Ltd
Original Assignee
Zoomlion Heavy Industry Science and Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zoomlion Heavy Industry Science and Technology Co Ltd filed Critical Zoomlion Heavy Industry Science and Technology Co Ltd
Priority to CN 201320496437 priority Critical patent/CN203364804U/en
Application granted granted Critical
Publication of CN203364804U publication Critical patent/CN203364804U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to a device for measuring a rotation angle of a rotation mechanism. The device for measuring the rotation angle comprises an angle sensor, a gear body, and a code disc which is arranged on one end of the gear body. The rotation angle of the gear body in a rotation state is the same with that of the code disc. The angle sensor and the side face of the code disc are oppositely arranged so as to measure the rotation angle of the code disc. According to the technical scheme of the device for measuring the rotation angle, the code disc is not engaged with the gear body, so that the code disc does not need to be lubricated, the problem that the angle sensor is contaminated by lubricating grease no longer appears, and the rotation angle of the rotation mechanism can be measured more accurately.

Description

The angle of revolution measurement mechanism of slew gear
Technical field
The utility model relates to engineering machinery field, especially relates to a kind of angle of revolution measurement mechanism of slew gear.
Background technology
Engineering machinery is commonly used slew gear, the measurement of the angle of revolution of slew gear and controlling for guaranteeing construction safety, realize construction fast, accurately significant.Fig. 1 is the structural representation of angle of revolution measurement mechanism in prior art, wherein, gear 100 is the pivoting part on slew gear, installation of sensors plate 200 is directly fixed on a side of gear 100, angular transducer is fixedly installed on installation of sensors plate 200, the number of teeth turned over by detection of gear 100 is come the angle of revolution of prototype gear 10, thereby can calculate and control the angle of revolution of slew gear.
Yet, according to aforementioned structure, because the flank of tooth of gear 100 needs railway grease to be lubricated usually, in gear 100 rotations, engagement process, iron filings such as generations such as wearing and tearing can be bonded on railway grease, cause grease contaminated, iron filings etc. may be bonded on angular transducer, cause angular transducer to produce the error-detecting signal, thereby cause measurement of angle inaccurate.Therefore, be necessary to be improved for the above-mentioned defect existed in prior art.
The utility model content
Fundamental purpose of the present utility model is to provide a kind of angle of revolution measurement mechanism, and it has improved structure, can measure more accurately the angle of revolution of slew gear.
To achieve these goals, according to an aspect of the present utility model, a kind of angle of revolution measurement mechanism of slew gear is provided, comprise angular transducer and gear body, the angle of revolution measurement mechanism also comprises the code-disc of an end that is arranged on the gear body, and the angle of revolution of gear body under turn state is identical with the angle of revolution of code-disc; Wherein, the side of angular transducer and code-disc relatively arranges to measure the angle of revolution of code-disc.
Further, code-disc and gear body coaxially arrange.
Further, code-disc and gear body are two parts that split arranges.
Further, code-disc and gear body are integrated setting.
Further, code-disc has identical dentalation with the gear body.
Further, slew gear comprises frame, the angle of revolution measurement mechanism also comprise be arranged on frame, for the sensor fastening device of fixed angle sensor.
Further, sensor fastening device comprises installing plate, erecting frame, installation of sensors box; Installing plate is arranged on frame, and the two ends of erecting frame are connected with the installation of sensors box with installing plate respectively, the built-in angular transducer of installation of sensors box.
Further, slew gear also comprises reducer output shaft, and sensor fastening device also comprises registration arm and locating shaft; Locating shaft is arranged in the interior bone of gear body and code-disc, and coaxially is connected with reducer output shaft; The first end of registration arm is arranged on the installation of sensors box, and the second end of registration arm is provided with the bearing of supporting and location axle.
Further, registration arm and installation of sensors box are wholely set.
Further, registration arm and installation of sensors box are two parts that split arranges.
According to the technical solution of the utility model, because code-disc does not participate in the engagement of gear body, therefore, without code-disc is lubricated, can not produce the problem of grease contaminated angular transducer, can measure more accurately the angle of revolution of slew gear.
The accompanying drawing explanation
Figure of description is used to provide further understanding of the present utility model, forms a part of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of angle of revolution measurement mechanism in prior art;
Fig. 2 is the structural representation according to the gear of the utility model embodiment;
Fig. 3 is the structural representation according to the angle of revolution measurement mechanism of the utility model embodiment.
Embodiment
It should be noted that, in the situation that clearly do not limit or do not conflict, the feature in each embodiment of the present utility model can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
In order to overcome the defect of angle of revolution measurement mechanism in prior art, the utility model provides the angle of revolution measurement mechanism of the slew gear after a kind of the improvement, this angle of revolution measurement mechanism comprises angular transducer and gear body, the angle of revolution measurement mechanism also comprises the code-disc of an end that is arranged on the gear body, and the angle of revolution of gear body under turn state is identical with the angle of revolution of code-disc; Wherein, angular transducer is arranged on the side of code-disc and for measuring the angle of revolution of code-disc.
According to this structure, because code-disc does not participate in the engagement of gear body, therefore, without code-disc is lubricated, can not produce the problem of grease contaminated angular transducer, can measure more accurately the angle of revolution of slew gear.
Fig. 2 is the structural representation according to the gear of the utility model embodiment.As shown in Figure 2, the gear that the utility model embodiment provides comprises gear body 21 and code-disc 22 two parts.Wherein, gear body 21 is the same with the swiveling gear that slew gear of the prior art adopts, and just in the upper end of gear body 21, has set up code-disc 22.
Referring to Fig. 2, also be provided with dentalation on the outer circumference surface of code-disc 22.Preferably, the dentalation of code-disc 22 is consistent with the dentalation of gear body 21, is convenient to like this gear body 21 is carried out together with code-disc 22 processing of dentalation.
Code-disc 22 preferably and gear body 21 be wholely set, thereby be conducive to guarantee the right alignment between code-disc 22 and gear body 21, also be convenient to carry out the processing of dentalation.
Certainly, code-disc 22 also can with the 21 split settings of dentation body, now should guarantee the right alignment between code-disc 22 and gear body 21, the accuracy of measuring to be conducive to angle of revolution as far as possible.Similarly, code-disc is processing separately, with gear body 21, has not same tooth-shape structure, is fixed in gear 21 tops.
Fig. 3 is the structural representation according to the angle of revolution measurement mechanism of the utility model embodiment.As shown in Figure 3, show the partial structurtes of frame 10, comprise that gear body 21 is connected with reducer output shaft 30 by female spline with the two-part gear of code-disc 22.Reducer output shaft 30 is connected with frame 10 by flange.
The utility model embodiment also provides a kind of improved sensor fastening device, comprises installing plate 41, erecting frame 42, installation of sensors box 50, registration arm 70 and locating shaft 80.Wherein, installing plate 41 is tabular or schistose texture, and its mode by welding is arranged on frame 10.Certainly, also can adopt welding alternate manner in addition to be fixedly installed installing plate 41.
Erecting frame 42 is I-shape construction, and the intermediate structure that connects upper and lower two platy structures can be connected in the centre position of two platy structures, also can be connected to the edge of two platy structures, for example as shown in Figure 3 be connected to the edge near gear one side.Erecting frame 42 is connected on installing plate 41 by securing member 60.Securing member 60 can be for example screw.
Locating shaft 80 is arranged in the interior bone of gear body 21 and code-disc 22, and coaxially is connected with reducer output shaft 30.Thus, when reducer output shaft 30 rotates, locating shaft 80 also thereupon with the gear coaxial rotation.The first end of registration arm 70 is arranged on installation of sensors box 50, and the second end of registration arm 70 is provided with bearing, and this bearing can rotate with respect to registration arm 70 by supporting and location axle 80.Installation of sensors box 50 and registration arm 70 both can be wholely set, also can the split setting.
The built-in angular transducer of installation of sensors box 50, its position is corresponding with the position of code-disc 22, and angular transducer is spaced apart and arranged in the side of code-disc 22, thereby can measure the number of teeth that code-disc 22 turns over.This angular transducer can adopt the common various angular transducers that can prototype gear turn over the number of teeth.Registration arm 70 and installation of sensors box 50 are connected on erecting frame 42 by securing member 60 equally, thereby, registration arm 70, installation of sensors box 50, erecting frame 42 and installing plate 41 all are arranged on frame 10 directly or indirectly, thereby are fixed with respect to frame 10.
According to aforementioned structure, gear comprises gear body 21 and is arranged at the code-disc 22 of gear body 21 upper ends, installation of sensors box 50 is positioned at a side of code-disc 22, the angular transducer arranged in installation of sensors box 50 can be measured the number of teeth that code-disc 22 turns over, thereby indirectly measures the angle of revolution of gear body 21.
Because code-disc 22 does not participate in the engagement of gear body 21, therefore, without code-disc 22 is lubricated, can not produce the problem of grease contaminated angular transducer, can measure more accurately the angle of revolution of slew gear.
In addition, in this type of angle detecting method, angular transducer has very accurate requirement to distance of reaction, be that distance between angular transducer and the detected flank of tooth detects just effectively in less scope, existing apparatus shown in Fig. 1 is difficult to distance of reaction is accurately controlled, and may cause equally angle of revolution to measure structure inaccurate.
In aforementioned structure, the sensor fastening device that comprises installing plate 41, erecting frame 42, installation of sensors box 50, registration arm 70 and locating shaft 80 by setting, can determine more accurately angular transducer in installation of sensors box 50 and the distance of reaction between code-disc 22, thereby be conducive to improve measuring accuracy.Certainly, this sensor fastening device also can only include installing plate 41, erecting frame 42 and installation of sensors box 50, can realize accurately determining equally the purpose of distance of reaction.
The angle of revolution measurement mechanism of slew gear of the present utility model has been described in front according to embodiment, but this angle of revolution measurement mechanism is not limited in the parts described in this embodiment and/or annexation, for example, code-disc also can be arranged at the lower end of gear body, correspondingly, the setting position of angular transducer is with the change in location of code-disc; The structure of the parts such as installing plate, erecting frame, installation of sensors box is not limited to structure shown in embodiment, as long as can the fixed angle sensor, makes it meet distance of reaction of measuring code-disc and requires to get final product.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (10)

1. the angle of revolution measurement mechanism of a slew gear, comprise angular transducer and gear body (21), it is characterized in that, described angle of revolution measurement mechanism also comprises the code-disc (22) of an end that is arranged on described gear body (21), and the angle of revolution of described gear body (21) under turn state is identical with the angle of revolution of described code-disc (22); Wherein, the side of described angular transducer and described code-disc (22) relatively arranges to measure the angle of revolution of described code-disc (22).
2. the angle of revolution measurement mechanism of slew gear according to claim 1, is characterized in that, described code-disc (22) and the coaxial setting of described gear body (21).
3. the angle of revolution measurement mechanism of slew gear according to claim 1, is characterized in that, described code-disc (22) and two parts of described gear body (21) for the split setting.
4. the angle of revolution measurement mechanism of slew gear according to claim 1, is characterized in that, described code-disc (22) is integrated setting with described gear body (21).
5. the angle of revolution measurement mechanism of slew gear according to claim 1, is characterized in that, described code-disc (22) has identical dentalation with described gear body (21).
6. the angle of revolution measurement mechanism of slew gear according to claim 1, it is characterized in that, described slew gear comprises frame (10), described angle of revolution measurement mechanism also comprise be arranged on described frame (10), for the sensor fastening device of fixing described angular transducer.
7. the angle of revolution measurement mechanism of slew gear according to claim 6, is characterized in that, described sensor fastening device comprises installing plate (41), erecting frame (42), installation of sensors box (50); It is upper that described installing plate (41) is arranged at described frame (10), and the two ends of described erecting frame (42) are connected with described installation of sensors box (50) with described installing plate (41) respectively, the built-in described angular transducer of described installation of sensors box (50).
8. the angle of revolution measurement mechanism of slew gear according to claim 7, is characterized in that, described slew gear also comprises reducer output shaft (30), and described sensor fastening device also comprises registration arm (70) and locating shaft (80); Described locating shaft (80) is arranged in the interior bone of described gear body (21) and described code-disc (22), and with coaxial connection of described reducer output shaft (30); It is upper that the first end of described registration arm (70) is arranged on described installation of sensors box (50), and the second end of described registration arm (70) is provided with the bearing that supports described locating shaft (80).
9. the angle of revolution measurement mechanism of slew gear according to claim 8, is characterized in that, described registration arm (70) is wholely set with described installation of sensors box (50).
10. the angle of revolution measurement mechanism of slew gear according to claim 8, is characterized in that, described registration arm (70) and two parts of described installation of sensors box (50) for the split setting.
CN 201320496437 2013-08-14 2013-08-14 Device for measuring rotation angle of rotation mechanism Active CN203364804U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320496437 CN203364804U (en) 2013-08-14 2013-08-14 Device for measuring rotation angle of rotation mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320496437 CN203364804U (en) 2013-08-14 2013-08-14 Device for measuring rotation angle of rotation mechanism

Publications (1)

Publication Number Publication Date
CN203364804U true CN203364804U (en) 2013-12-25

Family

ID=49812553

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320496437 Active CN203364804U (en) 2013-08-14 2013-08-14 Device for measuring rotation angle of rotation mechanism

Country Status (1)

Country Link
CN (1) CN203364804U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104555738A (en) * 2015-01-19 2015-04-29 浙江三一装备有限公司 Crane and rotation angle measuring device thereof
CN104931003A (en) * 2015-06-18 2015-09-23 中国电建集团成都勘测设计研究院有限公司 Concrete vibrator rotation angle measuring device
CN105928550A (en) * 2016-04-21 2016-09-07 中国核电工程有限公司 Device for detecting gear position of fuel transfer apparatus
CN108045924A (en) * 2017-12-26 2018-05-18 中国汽车工业工程有限公司 A kind of track and localization code-disc
CN109015673A (en) * 2018-07-27 2018-12-18 江苏省中跃涂装设备有限公司 A kind of spray robot device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104555738A (en) * 2015-01-19 2015-04-29 浙江三一装备有限公司 Crane and rotation angle measuring device thereof
CN104931003A (en) * 2015-06-18 2015-09-23 中国电建集团成都勘测设计研究院有限公司 Concrete vibrator rotation angle measuring device
CN105928550A (en) * 2016-04-21 2016-09-07 中国核电工程有限公司 Device for detecting gear position of fuel transfer apparatus
CN108045924A (en) * 2017-12-26 2018-05-18 中国汽车工业工程有限公司 A kind of track and localization code-disc
CN109015673A (en) * 2018-07-27 2018-12-18 江苏省中跃涂装设备有限公司 A kind of spray robot device

Similar Documents

Publication Publication Date Title
CN203364804U (en) Device for measuring rotation angle of rotation mechanism
CN102620661B (en) Tunnel settlement convergence detector and tunnel settlement convergence detection method
CN103234747A (en) Test stand capable of adjusting installation errors for comprehensive performance of spiral bevel gears
CN205607314U (en) Transmission shaft assembly declination inspection device
CN105716785B (en) A kind of calibration testboard of embedded torque sensor
CN202267475U (en) Angle measuring device capable of automatically reading
CN203605881U (en) Universal joint rotating angle measuring device
KR101294345B1 (en) Apparatus for measuring backlash of planatary reduction gear
CN203928937U (en) A kind of major diameter tooth cover face runout checking tool
KR101811960B1 (en) Apparatus and method for measuring backlash of actuator
CN206347973U (en) A kind of accurate retarding machine transmission accuracy detection device
CN201302438Y (en) A special measuring gauge for simultaneously measuring mounting distance and offset distance of spiral bevel gear pair
CN203964845U (en) A kind of Quick Measurement universal joint rotation angle mechanism
CN104634994B (en) Rotation-speed measuring device for harmonic gear reducer
CN103900447A (en) Angle detecting tool
CN203940849U (en) The testing agency in a kind of steering column gap
CN206609385U (en) Toggle positioning tooth angle detects instrument in automobile cab turnover mechanism
CN203909060U (en) Universal Hall gear rotating disk for measuring commercial automobile transmission shaft rotating speed
CN102998114B (en) A kind of packaged type ABS gear detector
CN203870123U (en) Magnetic rotating speed sensor self-checking device and system
CN205193095U (en) Engineering machinery camshaft, bent axle signal generator
CN102832741B (en) Motor and play detection device of output shaft thereof
CN205940976U (en) Stagnant curve testing arrangement returns
CN205719540U (en) Mobile Slide
CN203824525U (en) High-precision gear integrated error detection device

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant