CN101929855B - Method and device for inspecting rotation angle of elevator head sheave - Google Patents
Method and device for inspecting rotation angle of elevator head sheave Download PDFInfo
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- CN101929855B CN101929855B CN2010102429615A CN201010242961A CN101929855B CN 101929855 B CN101929855 B CN 101929855B CN 2010102429615 A CN2010102429615 A CN 2010102429615A CN 201010242961 A CN201010242961 A CN 201010242961A CN 101929855 B CN101929855 B CN 101929855B
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- head sheave
- guiding
- main shaft
- scrambler
- sheave
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Abstract
The invention provides a method and a device for inspecting rotation angle of an elevator head sheave. The device comprises a head sheave platform for erecting a head sheave, a coupling, an encoder, a single chip and an industrial personal computer (IPC). The method comprises the following steps: installing a guiding device on the head sheave platform; when the head sheave runs, rotating a guiding main shaft and a guiding counter shaft symmetrically clamped at the two sides of a head sheave spoke under the action of friction; transmitting the received guiding main shaft rotation angle signal to the single chip by the encoder connected with the tail of the guiding main shaft; connecting the single chip with the encoder, transmitting the collected rotation angle signal to the IPC for processing by a commutator for RS232-to-RS485, an RS485 cable and a commutator for RS485-to-USB in sequence; and monitoring the rotation angle of the elevator head sheave in real time. The method can avoid a head sheave end cover from being reformed and processed, and reduce influence of the radial and axial vibration of the head sheave on the encoder; and the device has simple structure, and is suitable for inspecting the head sheave angle of higher depth of parallelism of the two side faces of the spoke.
Description
Technical field
The present invention relates to a kind of detection method and device, especially a kind of hoister head sheave rotational angle detection method and device that is applicable to that the spoke two sides depth of parallelism is higher.
Background technology
Hoister have the title of " mine throat ", is undertaking the task of promoting coal spoil, following putting material, up-down personnel and equipment, and its running status is directly connected to the safe and efficient production in colliery.Head sheave is as an important component part of hoister, and whether normally its running status quality can directly react hoister operation.When the pulleying of hoister generation high speed, disconnected restrict, skid etc. during serious accident, the main operational factor of head sheave comprises that rotational angle, rotating speed, angular acceleration etc. have relevant information feedback.Through detection, can indirect calculation go out the operational factors such as real-time turned position, rotating speed, angular acceleration of head sheave, and then can monitor out whether normally operation of hoister the head sheave rotational angle.
At present, the domestic research that the head sheave rotational angle is detected and use lessly is employed in the mode that scrambler is installed in punching on the end cap of head sheave main shaft more.Adopt the present situation of closing form based on the head sheave end cap because of work under bad environment more,, need design and process end cap again when it being carried out rotational angle when measuring.This has not only destroyed the original integrality of head sheave end cap, and during transforming, has also influenced the ordinary production of hoister.And because of the head sheave and day spoke shaft of partial frictional formula hoister adopts bearing to connect, when head sheave turned round, the head sheave main shaft was not followed spoke and is rotated synchronously, so that can't be utilized in the rotational angle that the mode of installation shaft scrambler on the main shaft is measured head sheave.Because head sheave can produce certain radial and axial vibration when normal operation, also the shaft coupling to scrambler has caused certain shock effect.
Therefore, mainly there is following problem in the rotational angle measurement to head sheave at present: the first, when on being employed in the head sheave end cap, the mode of scrambler being installed, need transform the head sheave end cap, and influenced the operate as normal of hoister to a certain extent; The second, the main shaft of part hoister head sheave does not rotate with spoke synchronously, can't be utilized in the mode that scrambler is installed on its main shaft and measure its rotational angle; The 3rd, the hoister head sheave can produce certain radial and axial vibration when operation, brings certain influence for the installation of scrambler.
Summary of the invention
Technical matters: the objective of the invention is to overcome the weak point in the prior art, provide a kind of simple in structure, easy for installation, hoister head sheave rotational angle detection method and device that measurement effect is good.
Technical scheme: hoister head sheave rotational angle detection method of the present invention comprises and adopts shaft coupling, scrambler, single-chip microcomputer, industrial computer that its step is following:
A, on the hoister sheave wheel platform installation and guide device; The guiding main shaft of guide piece and guiding countershaft symmetry are clamped in the spoke both sides of head sheave; Again shaft coupling and scrambler are connected the afterbody of guiding main shaft; Scrambler connects single-chip microcomputer, and single-chip microcomputer connects RS232 successively changes RS485 converter, RS485 cable, RS485 commentaries on classics USB converter, connects industrial computer at last;
B, when head sheave is moved; The guiding main shaft that symmetry is clamped in head sheave spoke both sides rotates under function of friction with the guiding countershaft; To the lead rotational angle signal of main shaft of the scrambler that is connected guiding main shaft afterbody sends single-chip microcomputer to; Single-chip microcomputer changes RS485 converter, RS485 cable, RS485 commentaries on classics USB converter through RS232 successively with the rotational angle signal of gathering, and is sent to the industrial computer analyzing and processing at last, monitors the rotational angle of hoister head sheave in real time.
Hoister head sheave rotation angle detecting device of the present invention; Comprise the sheave wheel platform, shaft coupling, scrambler, single-chip microcomputer, the industrial computer that set up head sheave; Described sheave wheel platform is provided with the guide piece that is positioned at day wheel side; Guide piece comprises support, is located at the carriage on the support, is arranged with its axis and head sheave center line on the carriage and is the guiding main shaft and guiding countershaft that angle is arranged, the guiding main shaft is arranged with the roller that is clamped in head sheave spoke both sides with the front end of guiding countershaft; Be provided with coupling shaft between guiding main shaft and the guiding countershaft, the both sides of coupling shaft are respectively equipped with the nut of spring and holddown spring; Described shaft coupling and scrambler are located at the afterbody of guiding main shaft; Scrambler is connected with single-chip microcomputer; Connecting RS232 through single-chip microcomputer changes the RS485 converter, and RS232 changes the RS485 converter and connects RS485 commentaries on classics USB converter through the RS485 cable, changes the USB converter by RS485 again and connects industrial computer.
Described carriage comprises the coulisse that is located on the support; The both sides, front and back of coulisse have main gathering sill and secondary gathering sill; Being provided with in the main gathering sill can be along main shaft sliding platform that slides in the main gathering sill and countershaft sliding platform, and being provided with in the secondary gathering sill can be along the scrambler sliding platform that slides in the secondary gathering sill; Described angle is 0～30 °.
Beneficial effect: the present invention is located at measuring point the spoke both sides of head sheave; Transformation and processing have been avoided to the head sheave end cap; Reduced the influence of the radial and axial vibration of head sheave to scrambler; Be applicable to the head sheave angular detection that the spoke two sides depth of parallelism is higher, and can be applied to the head sheave rotational angle that head sheave spoke and main shaft can not rotate synchronously and detect.Its method and simple in structure, the adjustment to head sheave is convenient in operation and easy for installation, and measurement effect is good, in the present technique field, has practicality widely.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a guide piece structural representation of the present invention;
Fig. 3 is a guide piece of the present invention working position structural representation.
Among the figure: 1-RS485 changes the USB converter, the 2-industrial computer, and the 3-sheave wheel platform, the 4-head sheave, the 5-RS485 cable, 6-RS232 changes the RS485 converter; The 7-single-chip microcomputer, 8-guide piece, 9-support, 10-scrambler sliding platform, 11-scrambler, 12-shaft coupling; 13-sliding platform support, the 14-main shaft that leads, the secondary gathering sill of 15-, the 16-countershaft that leads, the 17-coupling shaft; 18-master's gathering sill, 19-spring, 20-main shaft sliding platform, 21-countershaft sliding platform, 22-nut.
Embodiment
Below in conjunction with accompanying drawing one embodiment of the present of invention are done further to describe:
Hoister head sheave rotational angle detection method of the present invention, the practical implementation step is following:
Step 1: installation and guide device 8 on hoister sheave wheel platform 3; Guiding main shaft of guide piece 8 14 and guiding countershaft 16 symmetries are clamped in the spoke both sides of head sheave 4; Again shaft coupling 12 and scrambler 11 are connected the afterbody of guiding main shaft 14; Scrambler 11 connects single-chip microcomputer 7, and single-chip microcomputer 7 connects RS232 successively changes RS485 converter 6, RS485 cable 5, RS485 commentaries on classics USB converter 1, connects industrial computer 2 at last; If the mode of operation of scrambler 11 is the individual pen measurement of angle; During 0～360 ° of the output signal corresponding angle of 4～20mA; The current signal line of 4～20mA of scrambler 11, be converted into the voltage signal of 0.48～2.4V through the resistance that is connected in series 120 Ω after, connect the I/O mouth of single-chip microcomputer 7;
Step 2: the main shaft 14 that will lead is connected through coupling shaft 17 with guiding countershaft 16; And overlap upper spring 19 at coupling shaft 17 two ends respectively and screw on nut 22, the guiding main shaft 14 and the rubbing surface of guiding countershaft 16 are being pressed under the effect of spring 19 elastic force on head sheave 4 spokes;
Step 3: when head sheave 4 forwards the zero position of demarcation to, scrambler 11 is returned to zero;
Step 4: the guiding main shaft 14 that symmetry is clamped in head sheave 4 spoke both sides rotates under function of friction with guiding countershaft 16; To the lead rotational angle signal of main shaft 14 of the scrambler 11 that is connected guiding main shaft 14 afterbodys sends single-chip microcomputer 7 to; Single-chip microcomputer 7 passes through the output signal of I/O mouth capturing and coding device 11, and changes USB converter 1 scrambler that collects 11 rotational angle signals are sent to industrial computer 2 through RS232 commentaries on classics RS485 converter 6, RS485 cable 5, RS485;
Step 5: the MsComm communication control that industrial computer 2 utilizes VB6.0 to provide, read the rotational angle signal that single-chip microcomputer transmits, analyzing and processing obtains the rotational angle of hoister head sheave 4, realizes the real-time monitoring to hoister head sheave 4 rotational angles.
As shown in Figure 1, hoister head sheave rotation angle detecting device mainly is made up of RS485 commentaries on classics USB converter 1, industrial computer 2, the sheave wheel platform 3 that sets up head sheave 4, RS485 cable 5, RS232 commentaries on classics RS485 converter 6, single-chip microcomputer 7, guide piece 8, scrambler 11, shaft coupling 12, industrial computer 2.Wherein be positioned at the guide piece 8 of head sheave 4 sides on the sheave wheel platform 3; Guide piece 8 comprises support 9, is located at the carriage on the support 9; Carriage comprises the coulisse that is located on the support 9; The both sides, front and back of coulisse have main gathering sill 18 and secondary gathering sill 15; Be provided with in the main gathering sill 18 and can be provided with in the secondary gathering sill 15 and can be located at the sliding platform support 13 of fixed guide main shaft 14 afterbodys on the scrambler sliding platform 10 along main shaft sliding platform that slides in the main gathering sill 20 and countershaft sliding platform 21 along the scrambler sliding platform 10 that slides in the secondary gathering sill; Be arranged with its axis and head sheave center line on the carriage and be the guiding main shaft 14 and guiding countershaft 16 that angle is arranged, angle is 0～30 °.Guiding main shaft 14 adopts identical angle with the axis of guiding countershaft 16 with head sheave spoke side; Make head sheave 4 spokes and guiding main shaft 14 surface of contact mutually during mutual friction; Can not cause guiding main shaft 14, guiding countershaft 16 to produce extra moment of torsion because of spoke linear velocity on head sheave 4 radial directions is different.The big I of angle is utilized the identical principle of frictional contact surface linear velocity to calculate and is confirmed according to the diameter of head sheave 4, the maximum line velocity of spoke and the permission rotating speed of scrambler 11.Guiding main shaft 14 is separately fixed on main shaft sliding platform 20 and the countershaft sliding platform 21 with the countershaft 16 that leads, to limit the vertical degree of freedom of main shaft sliding platform 20 and countershaft sliding platform 21, so that measure the clockwise of head sheave 4 and rotate counterclockwise angle.Guiding main shaft 14 is arranged with the roller that is clamped in head sheave 4 spoke both sides with the front end of guiding countershaft 16, is provided with coupling shaft 17 between guiding main shaft 14 and the guiding countershaft 16, and the both sides of coupling shaft 17 are respectively equipped with the nut 22 of spring 19 and holddown spring; Shaft coupling 12 and scrambler 11 are connected the afterbody of guiding main shaft 14; Scrambler 11 is connected with single-chip microcomputer 7; Connect RS232 through single-chip microcomputer 7 and change RS485 converter 6; RS232 changes RS485 converter 6 and connects RS485 commentaries on classics USB converter 1 through RS485 cable 5, changes USB converter 1 by RS485 again and connects industrial computer 2.The spoke that head sheave 4 in guiding main shaft 14 and 16 clampings of guiding countershaft by main shaft sliding platform 20 and countershaft sliding platform 21, can slide along the main gathering sill 18 of fluting direction and head sheave 4 axially parallels synchronously.Guiding main shaft 14 points to head sheave 4 centers with the axial of guiding countershaft 16 along head sheave 4 spoke directions.When radial vibration takes place in head sheave 4; Its direction of vibration is vertical with guiding countershaft 16 suffered friction force directions with guiding main shaft 14; Perhaps its vibration displacement is less along the displacement component of guiding main shaft 14 suffered friction force directions; It is less to drive 14 rotations of guiding main shaft, thereby has reduced the influence of the radial vibration of head sheave 4 to scrambler 11.Simultaneously; Scrambler sliding platform 10 is connected with guiding main shaft 14 through sliding platform support 13; Can slide synchronously with main shaft sliding platform 20 with main gathering sill 18 parallel secondary gathering sills 15 along the fluting direction, thereby reduce the influence of the axial vibration of head sheave 4 scrambler 11.
Claims (4)
1. a hoister head sheave rotational angle detection method comprises and adopts shaft coupling (12), scrambler (11), single-chip microcomputer (7), industrial computer (2), it is characterized in that step is following:
A, go up installation and guide device (8) at hoister sheave wheel platform (3); The guiding main shaft (14) of guide piece (8) and guiding countershaft (16) symmetry are clamped in the spoke both sides of head sheave (4); Again shaft coupling (12) and scrambler (11) are connected the afterbody of guiding main shaft (14); Scrambler (11) connects single-chip microcomputer (7), and single-chip microcomputer (7) connects RS232 successively to be changeed RS485 converter (6), RS485 cable (5), RS485 and change USB converter (1), connects industrial computer (2) at last;
B, when head sheave (4) is moved; Guiding main shaft (14) and guiding countershaft (16) that symmetry is clamped in head sheave (4) spoke both sides rotate under function of friction; To the lead rotational angle signal of main shaft (14) of the scrambler (11) that is connected guiding main shaft (14) afterbody sends single-chip microcomputer (7) to; Single-chip microcomputer (7) changes USB converter (1) through RS232 commentaries on classics RS485 converter (6), RS485 cable (5), RS485 successively with the rotational angle signal of gathering; Be sent to industrial computer (2) analyzing and processing at last, monitor the rotational angle of hoister head sheave (4) in real time.
2. hoister head sheave rotation angle detecting device; Comprise the sheave wheel platform (3), shaft coupling (12), scrambler (11), single-chip microcomputer (7), the industrial computer (2) that set up head sheave (4); It is characterized in that: described sheave wheel platform (3) is provided with the guide piece (8) that is positioned at head sheave (4) side; Guide piece (8) comprises support (9), is located at the carriage on the support (9); Be arranged with its axis and head sheave center line on the carriage and be guiding main shaft (14) and the guiding countershaft (16) that angle is arranged; The front end of guiding main shaft (14) and guiding countershaft (16) is arranged with the roller that is clamped in head sheave (4) spoke both sides, is provided with coupling shaft (17) between guiding main shaft (14) and the guiding countershaft (16), and the both sides of coupling shaft (17) are respectively equipped with the nut (22) of spring (19) and holddown spring; Described shaft coupling (12) and scrambler (11) are located at the afterbody of guiding main shaft (14); Scrambler (11) is connected with single-chip microcomputer (7); Connect RS232 through single-chip microcomputer (7) and change RS485 converter (6); RS232 changes RS485 converter (6) and connects RS485 commentaries on classics USB converter (1) through RS485 cable (5), changes USB converter (1) by RS485 again and connects industrial computer (2).
3. hoister head sheave rotation angle detecting device according to claim 2; It is characterized in that: described carriage comprises the coulisse that is located on the support (9); The both sides, front and back of coulisse have main gathering sill (18) and secondary gathering sill (15); Being provided with in the main gathering sill (18) can be along main shaft sliding platform (20) that slides in the main gathering sill and countershaft sliding platform (21), and being provided with in the secondary gathering sill (15) can be along the scrambler sliding platform (10) that slides in the secondary gathering sill.
4. hoister head sheave rotation angle detecting device according to claim 2 is characterized in that: described angle is 0～30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102429615A CN101929855B (en) | 2010-07-30 | 2010-07-30 | Method and device for inspecting rotation angle of elevator head sheave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102429615A CN101929855B (en) | 2010-07-30 | 2010-07-30 | Method and device for inspecting rotation angle of elevator head sheave |
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| Publication Number | Publication Date |
|---|---|
| CN101929855A CN101929855A (en) | 2010-12-29 |
| CN101929855B true CN101929855B (en) | 2012-03-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102429615A Expired - Fee Related CN101929855B (en) | 2010-07-30 | 2010-07-30 | Method and device for inspecting rotation angle of elevator head sheave |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102346023A (en) * | 2011-06-30 | 2012-02-08 | 三一汽车起重机械有限公司 | Measurement and control device and method for winding stroke, as well as engineering machinery |
| CN105438984B (en) * | 2014-08-06 | 2017-03-29 | 宜昌市凯诺电气有限公司 | A kind of contact measuring apparatus and method of crane rotation position |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201151594Y (en) * | 2007-12-28 | 2008-11-19 | 姚景堂 | Intelligent monitoring apparatus of mine hoister |
| CN101343009A (en) * | 2008-08-18 | 2009-01-14 | 中国矿业大学 | Slide wireless monitoring system of friction drive hoist and method thereof |
| CN201756390U (en) * | 2010-07-30 | 2011-03-09 | 中国矿业大学 | Hoister head sheave rotation angle detection device |
-
2010
- 2010-07-30 CN CN2010102429615A patent/CN101929855B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201151594Y (en) * | 2007-12-28 | 2008-11-19 | 姚景堂 | Intelligent monitoring apparatus of mine hoister |
| CN101343009A (en) * | 2008-08-18 | 2009-01-14 | 中国矿业大学 | Slide wireless monitoring system of friction drive hoist and method thereof |
| CN201756390U (en) * | 2010-07-30 | 2011-03-09 | 中国矿业大学 | Hoister head sheave rotation angle detection device |
Non-Patent Citations (1)
| Title |
|---|
| 潘弘等.多绳摩擦式提升机滑绳保护系统的研究.《煤矿机械》.2010,第31卷(第1期),全文. * |
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| CN101929855A (en) | 2010-12-29 |
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