CN113772513B - Elevator guide rail detection method and system - Google Patents
Elevator guide rail detection method and system Download PDFInfo
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- CN113772513B CN113772513B CN202111205109.5A CN202111205109A CN113772513B CN 113772513 B CN113772513 B CN 113772513B CN 202111205109 A CN202111205109 A CN 202111205109A CN 113772513 B CN113772513 B CN 113772513B
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- guide rail
- elevator guide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/12—Checking, lubricating, or cleaning means for ropes, cables or guides
- B66B7/1207—Checking means
- B66B7/1246—Checking means specially adapted for guides
Abstract
The invention discloses a method and a system for detecting an elevator guide rail, wherein a method for calculating the integral straightness of the elevator guide rail, a method for calculating the straightness of a certain length of the head and the tail end of the elevator guide rail and a method for calculating the straightness of any length section of the elevator guide rail are preset in a server, and one or more methods for calculating the straightness of the elevator guide rail are selected from the server according to the detection requirements of users to detect the elevator guide rail, so that the automatic detection and judgment can be performed on the integral straightness of the elevator guide rail, the straightness of the certain length of the head and the tail end of the elevator guide rail and the straightness of any length section of the elevator guide rail can be determined, the detection accuracy and the user experience are improved, and in addition, the calculation results are displayed, and the effect of real-time detection and display can be realized.
Description
Technical Field
The invention relates to the technical field of guide rail detection, in particular to a method and a system for detecting an elevator guide rail.
Background
The elevator guide rail detection in the prior art mainly comprises a manual detection method, a contact detection method and a non-contact detection method, however, the three existing elevator guide rail detection methods have certain defects, for example, the detection is slow, the accuracy is easily influenced by human factors, the recording, analysis and judgment of all data depend on manual work, the contact detection method can only simply calculate the whole straightness of the elevator guide rail, and cannot judge the straightness of a certain length of the head end and the tail end of the elevator guide rail and the straightness of any length interval of the whole length.
Disclosure of Invention
In view of this, the invention provides an elevator guide rail detection method and system, which can solve the defect that the existing elevator guide rail detection method depends on manual work and can only calculate the integral straightness of the elevator guide rail.
The technical scheme of the invention is realized as follows:
the elevator guide rail detection method specifically comprises the following steps:
step S1, presetting a method for calculating the integral straightness of the elevator guide rail, a method for calculating the straightness of a certain length of the head and the tail ends of the elevator guide rail and a method for calculating the straightness of any length section of the elevator guide rail in a server;
s2, acquiring user detection requirements, and selecting one or more straightness calculation methods from a server according to the user detection requirements;
and S3, calculating the straightness of the elevator guide rail according to the selected straightness calculation method, and displaying the calculation result, thereby realizing the detection of the elevator guide rail.
As a further alternative of the elevator guide rail detection method, the user detection requirements include one or more of elevator guide rail overall straightness detection requirements, elevator guide rail end-to-end certain length straightness detection requirements, and elevator guide rail any length interval straightness detection requirements.
As a further alternative of the elevator guide rail detection method, the step S3 of calculating the straightness of the elevator guide rail according to the method for calculating the straightness of the elevator guide rail at a certain length at the head and the tail ends specifically includes the following steps:
setting detection parameters of the tail end of the guide rail head of the elevator and a fixed sampling interval;
determining a first sampling point group according to the detection parameters of the head and the tail of the elevator guide rail and the sampling fixed interval;
determining a relative zero point in the first sampling point group, and acquiring relative offset of other sampling points according to the relative zero point;
and calculating the straightness of a certain length of the head end and the tail end according to the relative offset.
As a further alternative of the elevator guide rail detection method, the step S3 of calculating the straightness of the elevator guide rail according to the method for calculating the straightness of any length section of the elevator guide rail specifically includes the following steps:
setting detection parameters and sampling fixed intervals of any length interval of the elevator guide rail;
determining a second sampling point group according to the detection parameters of the head and the tail ends of the elevator guide rails and the sampling fixed intervals;
determining a relative zero point in the second sampling point group, and acquiring relative offset of other sampling points according to the relative zero point;
and calculating the straightness of any length interval according to the relative offset.
An elevator guide rail detection system, the system comprising:
the setting module is used for presetting an elevator guide rail overall straightness calculation method, an elevator guide rail head-tail end certain length straightness calculation method and an elevator guide rail any length section straightness calculation method in the server;
the acquisition module is used for acquiring user detection requirements;
the selection module is used for selecting one or more straightness calculation methods from the server according to the user detection requirements;
the calculation module is used for calculating the straightness of the elevator guide rail according to the selected straightness calculation method;
and the display module is used for displaying the calculation result.
As a further alternative of the elevator guide rail detection system, the user detection requirement includes one or more detection requirements of an elevator guide rail overall straightness detection requirement, an elevator guide rail head-tail end certain length straightness detection requirement and an elevator guide rail any length section straightness detection requirement.
As a further alternative of the elevator guide rail detection system, the calculation module includes an elevator guide rail overall straightness calculation module, an elevator guide rail head-tail end certain length straightness calculation module, and an elevator guide rail any length interval straightness calculation module, and the elevator guide rail head-tail end certain length straightness calculation module includes:
the first setting module is used for setting detection parameters of the tail end of the guide rail head of the elevator and sampling fixed intervals;
the first sampling point group determining module is used for determining a first sampling point group according to the detection parameters of the head and the tail of the elevator guide rail and the sampling fixed interval;
the first relative zero determining module is used for determining a relative zero in the first sampling point group and acquiring the relative offset of other sampling points according to the relative zero;
and the first calculation module is used for calculating the straightness of a certain length of the head end and the tail end according to the relative offset.
As a further alternative of the elevator guide rail detection system, the elevator guide rail linearity calculation module for any length section comprises:
the second setting module is used for setting detection parameters of any length interval of the elevator guide rail and sampling fixed intervals;
the second sampling point group determining module is used for determining a second sampling point group according to the detection parameters of the head and the tail ends of the elevator guide rails and the sampling fixed intervals;
the second relative zero point determining module is used for determining a relative zero point in the second sampling point group and acquiring the relative offset of other sampling points according to the relative zero point;
and the second calculation module is used for calculating the straightness of the interval with any length according to the relative offset.
The invention has the beneficial effects that: the method for calculating the integral straightness of the elevator guide rail, the method for calculating the straightness of the head end and the tail end of the elevator guide rail in a certain length and the method for calculating the straightness of the elevator guide rail in any length section are preset in the server, and one or more than one straightness calculation methods are selected from the server to detect the elevator guide rail according to the detection requirements of users, so that the integral straightness of the elevator guide rail can be automatically detected and judged, the straightness of the head end and the tail end of the elevator guide rail in a certain length and the straightness of the elevator guide rail in any length section can be judged, the detection accuracy and the user experience are improved, and in addition, the calculation results are displayed, and the effect of real-time detection and display can be realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic flow diagram of an elevator guide rail detection method of the present invention;
fig. 2 is a block diagram of an elevator guide rail detection system of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a method for detecting an elevator guide rail specifically includes the steps of:
step S1, presetting a method for calculating the integral straightness of the elevator guide rail, a method for calculating the straightness of a certain length of the head and the tail ends of the elevator guide rail and a method for calculating the straightness of any length section of the elevator guide rail in a server;
s2, acquiring user detection requirements, and selecting one or more straightness calculation methods from a server according to the user detection requirements;
and S3, calculating the straightness of the elevator guide rail according to the selected straightness calculation method, and displaying the calculation result, thereby realizing the detection of the elevator guide rail.
In the embodiment, the method for calculating the overall straightness of the elevator guide rail, the method for calculating the straightness of the head end and the tail end of the elevator guide rail in a certain length and the method for calculating the straightness of the section of the elevator guide rail in any length are preset in the server, and one or more than one straightness calculation methods are selected from the server to detect the elevator guide rail according to the detection requirements of users, so that the method not only can automatically detect and judge the overall straightness of the elevator guide rail, but also can judge the straightness of the head end and the tail end of the elevator guide rail in a certain length and the straightness of the section of the elevator guide rail in any length, thereby improving the detection accuracy and the user experience, and in addition, the calculation results are displayed, so that the effect of real-time detection and display can be realized.
Preferably, the user detection requirements comprise one or more detection requirements of elevator guide rail overall straightness detection requirements, elevator guide rail head and tail end certain length straightness detection requirements and elevator guide rail any length interval straightness detection requirements.
In this embodiment, when the user detection requirement includes an elevator guide rail overall straightness detection requirement, the elevator guide rail overall straightness calculation method is selected to detect the elevator guide rail, when the user detection requirement includes an elevator guide rail head-tail end certain length straightness detection requirement, the elevator guide rail head-tail end certain length straightness calculation method is selected to detect the elevator guide rail, and when the user detection requirement includes an elevator guide rail any length interval straightness detection requirement, the elevator guide rail any length interval straightness calculation method is selected to detect the elevator guide rail.
Preferably, the step S3 of calculating the straightness of the elevator guide rail according to the method for calculating the straightness of the elevator guide rail at a certain length from the head end to the tail end specifically includes the following steps:
setting detection parameters of the tail end of the guide rail head of the elevator and a fixed sampling interval;
determining a first sampling point group according to the detection parameters of the head and the tail of the elevator guide rail and the sampling fixed interval;
determining a relative zero point in the first sampling point group, and acquiring relative offset of other sampling points according to the relative zero point;
and calculating the straightness of a certain length of the head end and the tail end according to the relative offset.
In this embodiment, the detection parameters of the head and the tail of the elevator guide rail include a head end length detection parameter and a tail end length detection parameter, the head end length detection parameter is set to be L1, the tail end length detection parameter is set to be L2, and taking XX-direction detection of the elevator guide rail as an example, when L1=0.5m and a sampling fixed interval is 50mm, the head end (L1/0.05 =0.5/0.05=10 points) is taken for analysis and comparison, that is, points 1 to 10 are all 0 points, and the data of other points 2 to 9 are based on the points 1 and 10, and a value with the maximum absolute value of the relative offset in the points 2 to 9 is obtained, so as to obtain XX-direction head end straightness; taking the XX direction detection of the elevator guide rail as an example, when L2=0.5m, namely taking the tail end (L2/0.05 =0.5/0.05=10 points) to analyze and compare, namely points 90-99, wherein the points 90 and 100 are both 0, and the data of other points 90-99 takes the points 90 and 100 as a reference to obtain the number with the maximum absolute value of the deviation amount in the points 90-99, so as to obtain the XX direction tail end straightness of the elevator guide rail; the YY direction of the elevator guide rails is the same.
Preferably, the step S3 of calculating the straightness of the elevator guide rail according to the method for calculating the straightness of any length section of the elevator guide rail specifically includes the following steps:
setting detection parameters and sampling fixed intervals of any length interval of the elevator guide rail;
determining a second sampling point group according to the detection parameters of the head and the tail ends of the elevator guide rails and the sampling fixed intervals;
determining a relative zero point in the second sampling point group, and acquiring relative offset of other sampling points according to the relative zero point;
and calculating the linearity of any length interval according to the relative offset.
In this embodiment, the detection parameter of the elevator guide rail interval with any length is L3, calculated by taking the XX direction of the elevator guide rail with the length of 5m as an example, when L3=1m, i.e. any (L3/0.05 =1/0.05=20 points) is analyzed, i.e. points 1-20, wherein point 1 and point 20 are both 0 points, and the data of the other points 2-19 are based on points 1 and 20, the number with the largest absolute value of the offset amount in points 2-19 is obtained, the straightness contrast straightness of the 1 st arbitrary length is obtained, and then the straightness is calculated from point 2 to point 21, and so on, 80 times of calculation of the analysis contrast straightness is performed, and then the maximum value of the data is obtained, so as to obtain the straightness of the XX direction of the elevator guide rail with any length; the YY direction of the elevator guide rails is the same.
An elevator guide rail detection system, the system comprising:
the setting module is used for presetting an elevator guide rail integral straightness calculation method, an elevator guide rail head-tail end certain length straightness calculation method and an elevator guide rail any length interval straightness calculation method in a server;
the acquisition module is used for acquiring user detection requirements;
the selection module is used for selecting one or more than one straightness calculation method from the server according to the user detection requirement;
the calculation module is used for calculating the straightness of the elevator guide rail according to the selected straightness calculation method;
and the display module is used for displaying the calculation result.
In the embodiment, the server is provided with the elevator guide rail overall straightness calculation method, the elevator guide rail head and tail end fixed length straightness calculation method and the elevator guide rail any length interval straightness calculation method in advance, and one or more than one straightness calculation methods are selected from the server to detect the elevator guide rail according to the detection requirements of users, so that the elevator guide rail overall straightness can be automatically detected and judged, the elevator guide rail head and tail end fixed length straightness and the elevator guide rail any length interval straightness can be judged, the detection accuracy and the user experience are improved, and in addition, the calculation results are displayed, and the effect of real-time detection and display can be realized.
Preferably, the user detection requirements comprise one or more detection requirements of elevator guide rail overall straightness detection requirements, elevator guide rail head and tail end certain length straightness detection requirements and elevator guide rail any length interval straightness detection requirements.
In this embodiment, when the user detection requirement includes an elevator guide rail overall straightness detection requirement, the elevator guide rail overall straightness calculation method is selected to detect the elevator guide rail, when the user detection requirement includes an elevator guide rail head-tail end certain length straightness detection requirement, the elevator guide rail head-tail end certain length straightness calculation method is selected to detect the elevator guide rail, and when the user detection requirement includes an elevator guide rail any length interval straightness detection requirement, the elevator guide rail any length interval straightness calculation method is selected to detect the elevator guide rail.
Preferably, the calculation module includes an elevator guide rail overall straightness calculation module, an elevator guide rail head-tail end certain length straightness calculation module and an elevator guide rail any length interval straightness calculation module, and the elevator guide rail head-tail end certain length straightness calculation module includes:
the first setting module is used for setting detection parameters of the tail end of the guide rail head of the elevator and sampling fixed intervals;
the first sampling point group determining module is used for determining a first sampling point group according to the detection parameters of the head and the tail ends of the elevator guide rails and the sampling fixed intervals;
the first relative zero determining module is used for determining a relative zero in the first sampling point group and acquiring the relative offset of other sampling points according to the relative zero;
and the first calculation module is used for calculating the straightness of a certain length of the head end and the tail end according to the relative offset.
In this embodiment, the detection parameters of the head and the tail of the elevator guide rail include a head end length detection parameter and a tail end length detection parameter, the head end length detection parameter is set to be L1, the tail end length detection parameter is set to be L2, and taking XX-direction detection of the elevator guide rail as an example, when L1=0.5m and a sampling fixed interval is 50mm, the head end (L1/0.05 =0.5/0.05=10 points) is taken for analysis and comparison, that is, points 1 to 10 are all 0 points, and the data of other points 2 to 9 are based on the points 1 and 10, and a value with the maximum absolute value of the relative offset in the points 2 to 9 is obtained, so as to obtain XX-direction head end straightness; taking the XX direction detection of the elevator guide rail as an example, when L2=0.5m, namely taking the tail end (L2/0.05 =0.5/0.05=10 points) to analyze and compare, namely points 90-99, wherein the points 90 and 100 are both 0, and the data of other points 90-99 takes the points 90 and 100 as a reference to obtain the number with the maximum absolute value of the deviation amount in the points 90-99, so as to obtain the XX direction tail end straightness of the elevator guide rail; the YY direction of the elevator guide rails is the same.
Preferably, the elevator guide rail straightness calculation module for any length interval comprises:
the second setting module is used for setting detection parameters and sampling fixed intervals of any length interval of the elevator guide rail;
the second sampling point group determining module is used for determining a second sampling point group according to the detection parameters of the head and the tail ends of the elevator guide rails and the sampling fixed intervals;
the second relative zero point determining module is used for determining a relative zero point in the second sampling point group and acquiring the relative offset of other sampling points according to the relative zero point;
and the second calculation module is used for calculating the straightness of the interval with any length according to the relative offset.
In this embodiment, the detection parameter of the elevator guide rail interval with any length is L3, calculated by taking the XX direction of the elevator guide rail with the length of 5m as an example, when L3=1m, i.e. any (L3/0.05 =1/0.05=20 points) is analyzed, i.e. points 1-20, wherein point 1 and point 20 are both 0 points, and the data of the other points 2-19 are based on points 1 and 20, the number with the largest absolute value of the offset amount in points 2-19 is obtained, the straightness contrast straightness of the 1 st arbitrary length is obtained, and then the straightness is calculated from point 2 to point 21, and so on, 80 times of calculation of the analysis contrast straightness is performed, and then the maximum value of the data is obtained, so as to obtain the straightness of the XX direction of the elevator guide rail with any length; the YY direction of the elevator guide rails is the same.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. The elevator guide rail detection method is characterized by comprising the following steps:
step S1, presetting a method for calculating the integral straightness of the elevator guide rail, a method for calculating the straightness of a certain length of the head and the tail ends of the elevator guide rail and a method for calculating the straightness of any length section of the elevator guide rail in a server;
s2, acquiring user detection requirements, and selecting one or more straightness calculation methods from a server according to the user detection requirements;
s3, calculating the straightness of the elevator guide rail according to the selected straightness calculation method, and displaying the calculation result so as to realize the detection of the elevator guide rail;
in the step S3, the straightness of the elevator guide rail is calculated according to a straightness calculation method for a certain length of the head end and the tail end of the elevator guide rail, and the method specifically comprises the following steps:
setting detection parameters of the tail end of the guide rail head of the elevator and a fixed sampling interval;
determining a first sampling point group according to the detection parameters of the head and the tail of the elevator guide rail and the sampling fixed interval;
determining a relative zero point in the first sampling point group, and acquiring relative offset of other sampling points according to the relative zero point;
calculating the straightness of a certain length of the head end and the tail end according to the relative offset;
in the step S3, the linearity calculation is performed on the elevator guide rail according to the linearity calculation method for any length interval of the elevator guide rail, and the method specifically includes the following steps:
setting detection parameters and sampling fixed intervals of any length interval of the elevator guide rail;
determining a second sampling point group according to the detection parameters of the head and the tail ends of the elevator guide rails and the sampling fixed intervals;
determining a relative zero point in the second sampling point group, and acquiring relative offset of other sampling points according to the relative zero point;
and calculating the straightness of any length interval according to the relative offset.
2. The elevator guide rail detection method according to claim 1, wherein the user detection requirements comprise one or more of elevator guide rail overall straightness detection requirements, elevator guide rail end-to-end certain length straightness detection requirements, and elevator guide rail any length section straightness detection requirements.
3. An elevator guide rail detection system, the system comprising:
the setting module is used for presetting an elevator guide rail integral straightness calculation method, an elevator guide rail head-tail end certain length straightness calculation method and an elevator guide rail any length interval straightness calculation method in a server;
the acquisition module is used for acquiring user detection requirements;
the selection module is used for selecting one or more straightness calculation methods from the server according to the user detection requirements;
the calculation module is used for calculating the straightness of the elevator guide rail according to the selected straightness calculation method;
the display module is used for displaying the calculation result;
the calculation module comprises an elevator guide rail integral straightness calculation module, an elevator guide rail head-tail end certain length straightness calculation module and an elevator guide rail any length interval straightness calculation module, and the elevator guide rail head-tail end certain length straightness calculation module comprises:
the first setting module is used for setting detection parameters of the tail end of the guide rail head of the elevator and sampling fixed intervals;
the first sampling point group determining module is used for determining a first sampling point group according to the detection parameters of the head and the tail ends of the elevator guide rails and the sampling fixed intervals;
the first relative zero determining module is used for determining a relative zero in the first sampling point group and acquiring the relative offset of other sampling points according to the relative zero;
the first calculation module is used for calculating the straightness of a certain length at the head end and the tail end according to the relative offset;
the elevator guide rail any length interval straightness accuracy calculation module includes:
the second setting module is used for setting detection parameters and sampling fixed intervals of any length interval of the elevator guide rail;
the second sampling point group determining module is used for determining a second sampling point group according to the detection parameters of the head and the tail of the elevator guide rail and the sampling fixed interval;
the second relative zero point determining module is used for determining a relative zero point in the second sampling point group and acquiring the relative offset of other sampling points according to the relative zero point;
and the second calculation module is used for calculating the straightness of the interval with any length according to the relative offset.
4. The elevator guide rail detection system according to claim 3, wherein the user detection requirement comprises one or more of an elevator guide rail overall straightness detection requirement, an elevator guide rail end-to-end certain length straightness detection requirement and an elevator guide rail any length interval straightness detection requirement.
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| CN207258956U (en) * | 2017-09-29 | 2018-04-20 | 邓潮森 | The mounting structure of connection plate for elevator guide rail, guide rail and rail brackets |
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| CN100398991C (en) * | 2002-11-06 | 2008-07-02 | 孙立新 | Method for measuring perendicular alignment of guide track in elevator |
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| CN103033161A (en) * | 2011-10-10 | 2013-04-10 | 上海三菱电梯有限公司 | Device and method of guide rail straightness measuring |
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| CN103017690A (en) * | 2012-11-26 | 2013-04-03 | 中国科学院长春光学精密机械与物理研究所 | Method for measuring straightness of super-long guide rail |
| EP2821358B1 (en) * | 2013-07-03 | 2016-11-30 | Kone Corporation | Guide rail alignment system for elevators |
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| CN107063136A (en) * | 2017-01-20 | 2017-08-18 | 盐城工学院 | Guide rail detection method and system |
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| CN104973482A (en) * | 2015-02-06 | 2015-10-14 | 湖北安步电梯科技有限公司 | Guide rail pair of passageway elevator |
| CN207258956U (en) * | 2017-09-29 | 2018-04-20 | 邓潮森 | The mounting structure of connection plate for elevator guide rail, guide rail and rail brackets |
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