阅读说明：本技术 一种电梯导轨检测方法及系统 (Elevator guide rail detection method and system ) 是由 刘伟桐 李朝斌 申文云 于 2021-10-15 设计创作，主要内容包括：本发明公开了一种电梯导轨检测方法及系统,通过在服务器中预先设置电梯导轨整体直线度计算方法、电梯导轨头尾端一定长度直线度计算方法和电梯导轨任意长度区间直线度计算方法,并依据用户检测需求从服务器中选择出一种或者一种以上直线度计算方法对电梯导轨进行检测,从而不仅能够对电梯导轨整体直线度进行自动检测判断,还能够判定电梯导轨头尾端一定长度直线度和电梯导轨任意长度区间直线度,提高检测准确度和用户使用体验,此外,通过将计算结果进行显示,能够实现实时检测显示的效果。(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.)

1. The elevator guide rail detection method is characterized by comprising the following steps:

step S1, presetting a method for calculating the whole 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;

step S2, acquiring user detection requirements, and selecting one or more than one straightness calculation method from the server according to the user detection requirements;

and step S3, performing linearity calculation on the elevator guide rail according to the selected linearity calculation method, and displaying the calculation result, thereby realizing the detection of the elevator guide rail.

2. The method for detecting the guide rails of the elevator according to claim 1, wherein the user detection requirements comprise one or more detection requirements of the whole straightness of the guide rails of the elevator, the detection requirements of the straightness of the head and the tail ends of the guide rails of the elevator in a certain length and the detection requirements of the straightness of the guide rails in any length section.

3. The method for detecting the guide rails of the elevator according to claim 2, wherein the step S3 of calculating the straightness of the guide rails of the elevator according to the method for calculating the straightness of the guide rails at a certain length from the head to the tail of the guide rails of the elevator 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;

and calculating the straightness of a certain length of the head end and the tail end according to the relative offset.

4. The method for detecting the elevator guide rail according to claim 3, wherein 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 any length section specifically comprises 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.

5. 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.

6. The elevator guide rail detection system according to claim 5, 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.

7. The elevator guide rail detection system of claim 6, wherein the calculation module comprises 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 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;

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.

8. The elevator guide rail detection system of claim 7, wherein 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.

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 is required to be detected in the production process of the elevator guide rail, the detection of the elevator guide rail 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 manual detection method is slow in detection, accuracy is easily influenced by human factors, 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, 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 an interval with any length of the whole length, and the non-contact detection method is easily influenced by the field environment, cannot satisfy the reliability, 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 the whole length section with any 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 whole 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;

step S2, acquiring user detection requirements, and selecting one or more than one straightness calculation method from the server according to the user detection requirements;

and step S3, performing linearity calculation on the elevator guide rail according to the selected linearity 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 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 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.

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 interval 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 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.

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 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.

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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings 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 whole 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;

step S2, acquiring user detection requirements, and selecting one or more than one straightness calculation method from the server according to the user detection requirements;

and step S3, performing linearity calculation on the elevator guide rail according to the selected linearity calculation method, and displaying the calculation result, thereby realizing the detection of the elevator guide rail.

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 a requirement for detecting the overall straightness of the elevator guide rail, the method for calculating the overall straightness of the elevator guide rail is selected to detect the elevator guide rail, when the user detection requirement includes a requirement for detecting the straightness of the elevator guide rail at a certain length at the head and tail ends, the method for calculating the straightness of the elevator guide rail at a certain length at the head and tail ends is selected to detect the elevator guide rail, and when the user detection requirement includes a requirement for detecting the straightness of the elevator guide rail at a certain length at any section, the method for calculating the straightness of the elevator guide rail at any section at any length is selected to detect the elevator guide rail, so that the user detection requirement needs to be analyzed, and the user detection requirement includes detection requirements of the elevator guide rail overall straightness detection requirement, the requirement for detecting the straightness of the elevator guide rail at a certain length at the head and tail ends, and the straightness detection requirement for detecting the straightness of the elevator guide rail at any section at any length, and the straightness calculation method is selected according to the analysis result, so that the elevator detection accuracy is improved.

Preferably, in step S3, the method for calculating the straightness of the elevator guide rail according to the certain length of the head and the tail of the elevator guide rail 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, taking XX-direction detection of the elevator guide rail as an example, when L1 is 0.5m and a sampling fixed interval is 50mm, the head end (L1/0.05 is 0.5/0.05 is 10 points) is taken for analysis and comparison, that is, points 1 to 10 are taken, wherein point 1 and point 10 are both 0 points, and the data of the other points 2 to 9 are taken as references to point 1 and point 10, the maximum absolute value of the relative offset in points 2 to 9 is obtained, and the straightness of XX to the head end is obtained; taking the XX direction detection of the elevator guide rail as an example, when L2 is 0.5m, namely the tail end is taken (L2/0.05 is 0.5/0.05 is 10 points), analyzing and comparing, namely points 90-99, wherein point 90 and point 100 are both 0, and the data of other points 90-99 takes point 90 and point 100 as a reference, and calculating the maximum absolute value of the deviation amount in points 90-99 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 the elevator guide rail at any length section 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.

In this embodiment, the elevator guide rail arbitrary length interval detection parameter is L3, calculated by taking XX direction of an elevator guide rail with a length of 5m as an example, when L3 is 1m, i.e., arbitrary (L3/0.05 is 1/0.05 is 20 points), analysis is performed, i.e., points 1 to 20, wherein point 1 and point 20 are both 0 points, and the other points 2 to 19 data are based on points 1 and 20, the maximum absolute value of the offset amount in points 2 to 19 is obtained, the 1 st linearity contrast linearity with an arbitrary length is obtained, then the linearity is calculated from point 2 to point 21, and so on, 80 times of analysis contrast linearity calculation is performed, and then the maximum value of the data is obtained, and the XX direction linearity with an arbitrary length of the elevator guide rail is obtained; 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 a requirement for detecting the overall straightness of the elevator guide rail, the method for calculating the overall straightness of the elevator guide rail is selected to detect the elevator guide rail, when the user detection requirement includes a requirement for detecting the straightness of the elevator guide rail at a certain length at the head and tail ends, the method for calculating the straightness of the elevator guide rail at a certain length at the head and tail ends is selected to detect the elevator guide rail, and when the user detection requirement includes a requirement for detecting the straightness of the elevator guide rail at a certain length at any section, the method for calculating the straightness of the elevator guide rail at any section at any length is selected to detect the elevator guide rail, so that the user detection requirement needs to be analyzed, and the user detection requirement includes detection requirements of the elevator guide rail overall straightness detection requirement, the requirement for detecting the straightness of the elevator guide rail at a certain length at the head and tail ends, and the straightness detection requirement for detecting the straightness of the elevator guide rail at any section at any length, and the straightness calculation method is selected according to the analysis result, so that the elevator detection accuracy is improved.

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, taking XX-direction detection of the elevator guide rail as an example, when L1 is 0.5m and a sampling fixed interval is 50mm, the head end (L1/0.05 is 0.5/0.05 is 10 points) is taken for analysis and comparison, that is, points 1 to 10 are taken, wherein point 1 and point 10 are both 0 points, and the data of the other points 2 to 9 are taken as references to point 1 and point 10, the maximum absolute value of the relative offset in points 2 to 9 is obtained, and the straightness of XX to the head end is obtained; taking the XX direction detection of the elevator guide rail as an example, when L2 is 0.5m, namely the tail end is taken (L2/0.05 is 0.5/0.05 is 10 points), analyzing and comparing, namely points 90-99, wherein point 90 and point 100 are both 0, and the data of other points 90-99 takes point 90 and point 100 as a reference, and calculating the maximum absolute value of the deviation amount in points 90-99 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 elevator guide rail arbitrary length interval detection parameter is L3, calculated by taking XX direction of an elevator guide rail with a length of 5m as an example, when L3 is 1m, i.e., arbitrary (L3/0.05 is 1/0.05 is 20 points), analysis is performed, i.e., points 1 to 20, wherein point 1 and point 20 are both 0 points, and the other points 2 to 19 data are based on points 1 and 20, the maximum absolute value of the offset amount in points 2 to 19 is obtained, the 1 st linearity contrast linearity with an arbitrary length is obtained, then the linearity is calculated from point 2 to point 21, and so on, 80 times of analysis contrast linearity calculation is performed, and then the maximum value of the data is obtained, and the XX direction linearity with an arbitrary length of the elevator guide rail is obtained; 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.