CN113670241A - Elevator guide rail straightening position detection tool, detection method and calibration method - Google Patents
Elevator guide rail straightening position detection tool, detection method and calibration method Download PDFInfo
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- CN113670241A CN113670241A CN202110952135.8A CN202110952135A CN113670241A CN 113670241 A CN113670241 A CN 113670241A CN 202110952135 A CN202110952135 A CN 202110952135A CN 113670241 A CN113670241 A CN 113670241A
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- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
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Abstract
The invention relates to the technical field of detection systems, in particular to a tool for detecting the straightening position of an elevator guide rail, which comprises: a fixing device for fixing the elevator guide rail; data acquisition device gathers elevator guide rail's crooked data, includes: the detection head performs horizontal linear motion, one end of the detection head is always abutted against the elevator guide rail in the motion process, and the detection head detects the mutual extrusion force between the detection head and the elevator guide rail; and the linear power assembly provides power for the linear motion of the detection head. According to the invention, the elevator guide rail is detected by the detection head, and the change of the distance between each position of the appointed surface on the elevator guide rail in the guiding direction of the linear power assembly relative to the extrusion surface can be judged according to the obtained mutual extrusion force between the appointed surface and the elevator guide rail, so that the position with the maximum bending degree can be accurately obtained, and the position is the required straightening position. The invention also discloses a method for detecting the straightening position of the elevator guide rail and a calibration method.
Description
Technical Field
The invention relates to the technical field of detection systems, in particular to a tool, a method and a calibration method for detecting the straightening position of an elevator guide rail.
Background
The elevator is a vertical elevator, when the elevator runs, the box-shaped nacelle ascends and descends along an elevator guide rail fixed on the wall of a hoistway, and in order to ensure the running stability of the elevator, the straightness accuracy of the box-shaped nacelle needs to be ensured, so that the phenomena of noise, blockage and the like in the running process of the elevator are effectively avoided.
Traditional elevator guide rail is in process of production, and what the alignment of guide rail adopted is artifical hydraulic pressure alignment mode, and the position of pushing down relies on personal experience entirely, when pushing down the position selection not properly, must lead to the deviation of alignment effect, and how to mark accurate alignment position for the staff of the alignment operation of low reaches execution, has become the technical problem that technical staff in this field await the opportune moment to solve.
In view of the defects, the inventor of the invention researches and innovates based on years of rich experience and professional knowledge in the technology and by matching with theoretical analysis, so as to develop a tool, a method and a calibration method for detecting the alignment position of the elevator guide rail.
Disclosure of Invention
The invention provides a tool for detecting the straightening position of an elevator guide rail, which can effectively overcome the defects in the background technology, and simultaneously, the invention also requests to protect a method for detecting the straightening position of the elevator guide rail and a calibration method, and has the same technical effect.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides an elevator guide rail alignment position detects frock, includes:
the fixing device is used for horizontally supporting an installation surface, attached to a hoistway wall, of an elevator guide rail and extruding and fixing the elevator guide rail through two extrusion surfaces perpendicular to the installation surface, wherein the extrusion surfaces are located on one side of the elevator guide rail in the width direction;
data acquisition device gathers elevator guide rail's crooked data, includes:
the detection head performs horizontal linear motion along the direction parallel to the extrusion surface, one end of the detection head is always abutted against the elevator guide rail in the motion process, and the detection head detects the mutual extrusion force between the detection head and the elevator guide rail;
and the linear power assembly provides power for the linear motion of the detection head.
The ink jet device is fixedly connected with the detection head and works according to the detection result of the detection head as a control basis.
Further, the detection head includes:
the sliding block is driven by the linear power assembly to perform linear motion;
the mounting seat is abutted against the elevator guide rail, and mutual extrusion force is generated between the mounting seat and the elevator guide rail;
the guide device is connected with the sliding block and the mounting seat and guides the sliding block and the mounting seat to move relatively, and the guide direction is vertical to the extrusion surface;
a pressure induction sheet is arranged between the extrusion block and the mounting seat;
and the spring is arranged between the sliding block and the extrusion block, and the axis direction of the spring is parallel to the guiding direction of the guiding device.
Further, the linear power assembly is a screw rod assembly.
Further, the mount includes:
the base body is fixedly connected with the guide device, and a pressure sensing sheet is arranged between the base body and the extrusion block;
the roller is abutted against the elevator guide rail and rolls on the surface of the elevator guide rail along the horizontal direction;
and one end of the connecting structure is fixedly connected with the seat body, and the other end of the connecting structure is rotatably connected with the roller.
The method for detecting the straightening position of the elevator guide rail adopts the tool for detecting the straightening position of the elevator guide rail, and comprises the following steps:
fixing the elevator guide rail by the fixing device;
controlling the linear power assembly to drive the detection head to perform linear motion from one end of the elevator guide rail;
collecting the mutual extrusion force between the detection head and the elevator guide rail according to a set frequency in the process of linear motion of the detection head;
in the process of collecting data, when the increasing or decreasing trend of each data before the collected data is changed once, recording the current position of the detection head;
and judging the straightening position of the elevator guide rail according to the current position of the detection head.
Further, according to the linear motion speed of the detection head and the acquisition frequency of the extrusion force, the relative position relation between the straightening position of the elevator guide rail and the detection head is determined.
Furthermore, two groups of elevator guide rail straightening position detection tools are arranged and move along different directions, and the straightening positions are comprehensively judged according to the current positions obtained by the tools.
Further, the linear motion of the detection head is performed once, and the straightening position is comprehensively judged according to two current positions obtained in two directions.
The calibration method for the straightening position of the elevator guide rail adopts the elevator guide rail straightening position detection tool and comprises the following steps:
fixing the elevator guide rail by the fixing device;
controlling the linear power assembly to drive the detection head to perform linear motion from one end of the elevator guide rail;
collecting the mutual extrusion force between the detection head and the elevator guide rail according to a set frequency in the process of linear motion of the detection head;
in the process of collecting data, when the increasing or decreasing trend of each data before the collected data is changed once, recording the current position of the detection head;
and carrying out ink jet operation on the elevator guide rail through the ink jet device at the current position, wherein the ink jet position is positioned at the rear side of the movement direction of the detection head.
In conclusion, the invention has the following beneficial effects:
according to the invention, the elevator guide rail is detected by the detection head, and the change of the distance between each position of the appointed surface on the elevator guide rail in the guiding direction of the linear power assembly relative to the extrusion surface can be judged according to the obtained mutual extrusion force between the appointed surface and the elevator guide rail, so that the position with the maximum bending degree can be accurately obtained, and the position is the required straightening position.
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 described in 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 diagram of an elevator guide rail straightening detection tool for detecting an elevator guide rail in the invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic structural view of the fixing device;
FIG. 4 is a schematic view of the relative positions of the fixing means and the data acquisition means;
FIG. 5 is a schematic view of the structure of the detection head;
FIG. 6 is a schematic structural view of the mounting base;
FIG. 7 is a schematic view of the installation of the ink jet device;
fig. 8 is a flow chart of an elevator guide rail alignment position detection method;
FIG. 9 is a flow chart of an elevator guide rail alignment position calibration method;
reference numerals: 1. a fixing device; 11. extruding surface; 2. a data acquisition device; 21. a detection head; 21a, a slide block; 21b, a mounting seat; 21b-1, a seat body; 21b-2, a roller; 21b-3, a connecting structure; 21c, a guide device; 21d, extruding the block; 21e, a spring; 22. a linear power assembly; 23. an ink jet device; 3. an elevator guide rail.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example one
As shown in FIGS. 1-4, an elevator guide rail alignment position detection tool includes: the fixing device 1 horizontally supports a mounting surface of the elevator guide rail 3, which is attached to a hoistway wall, and extrudes and fixes the elevator guide rail 3 through two extrusion surfaces 11 perpendicular to the mounting surface, wherein the extrusion surfaces 11 are positioned on one side of the elevator guide rail 3 in the width direction; data acquisition device 2 gathers elevator guide rail 3's bending data, includes: the detection head 21 performs horizontal linear motion along the direction parallel to the extrusion surface 11, one end of the detection head is always abutted against the elevator guide rail 3 in the motion process, and the detection head detects the mutual extrusion force between the detection head and the elevator guide rail 3; and a linear power assembly 22 for providing power for the linear motion of the detection head 21.
In the present invention, when the pressing surfaces 11 have a sufficient length during the process of pressing the elevator guide rail 3 by the two pressing surfaces 11, the pressing of the elevator guide rail 3 has two results:
the first method comprises the following steps: the elevator guide rail 3 has accurate straightness, and two sides of the elevator guide rail are basically jointed with the two extrusion surfaces 11 in a surface joint mode.
And the second method comprises the following steps: the elevator guide rail 3 has a certain bending degree, and it needs to be emphasized that the elevator guide rail 3 has strong rigidity, and the bending degree generated in the actual production process is limited and cannot have too large bending degree; after the extrusion of the two extrusion surfaces 11, the result is in most cases that the two ends abut against one extrusion surface 11 and the middle bend extreme positions abut against the other extrusion surface 11, forming a tangential form, see in particular fig. 2, in which the length of the elevator guide rail is schematically shortened merely for the purpose of illustrating the above-mentioned technical content and does not represent the actual proportional relationship of the elevator guide rail.
In any form, the detection of the elevator guide rail 3 by the detection head 21 can judge the change of the distance between the specified surface on the elevator guide rail 3 and the extrusion surface 11 at each position in the guiding direction of the linear power assembly 22 according to the magnitude of the obtained mutual extrusion force with the elevator guide rail 3, so that the position with the maximum bending degree can be accurately obtained, and the position is the required straightening position. Wherein the one-side pressing surface 11 can effect pressing of the elevator guide rail 3 by moving relative to the other-side pressing surface 11.
As a preferred embodiment of the present invention, as shown in fig. 5, the detection head 21 includes: the slide block 21a is driven by the linear power assembly 22 to do linear motion; the mounting seat 21b is abutted against the elevator guide rail 3, and mutual extrusion force is generated between the mounting seat and the elevator guide rail 3; the guide device 21c is connected with the sliding block 21a and the mounting seat 21b and guides the relative movement of the sliding block 21a and the mounting seat 21b, and the guide direction is vertical to the extrusion surface 11; a pressure sensing sheet is arranged between the extrusion block 21d and the mounting seat 21 b; and a spring 21e provided between the slider 21a and the pressing block 21d and having an axial direction parallel to the guide direction of the guide 21 c.
In this preferred scheme, provide one kind and can realize the concrete structure mode that extrusion force size detected. In the working process, the slider 21a drives other structures to perform linear motion, and in the process, according to the change of different curvatures, the mounting seat 21b applies extrusion forces with different sizes to the spring 21e through the extrusion block 21d, and the extrusion forces react on the pressure sensing sheet through the extrusion block 21d, so that data is acquired, and through the arrangement of the spring 21e and the guide device 21c, the stability of the movement of the mounting seat 21b relative to the elevator guide rail 3 in the process of the change of the extrusion forces can be effectively guaranteed.
The linear power assembly 22 is a screw rod assembly, specifically, the sliding block 21a is used as a nut and is driven by the screw rod assembly to perform linear motion, the screw rod assembly is of a conventional mechanical structure, specific explanation is not performed on the structure of the screw rod assembly, the screw rod rotates under the driving of the motor, and therefore starting and stopping of the sliding block 21a at any position can be guaranteed, and position control is accurate.
In order to ensure smoothness and stability during inspection, as shown in fig. 6, the mount 21b includes: the seat body 21b-1 is fixedly connected with the guide device 21c, and a pressure induction sheet is arranged between the seat body and the extrusion block 21 d; the roller 21b-2 is abutted against the elevator guide rail 3 and rolls on the surface of the elevator guide rail 3 along the horizontal direction; one end of the connecting structure 21b-3 is fixedly connected with the seat body 21b-1, and the other end is rotatably connected with the roller 21 b-2. In the preferred embodiment, the rollers 21b-2 are arranged to make the rolling of the mounting seat 21b relative to the elevator guide rail 3 smoother, so that the smoothness of data acquisition can be ensured.
Example two
The utility model provides an elevator guide rail alignment position detects frock, includes: the fixing device 1 horizontally supports a mounting surface of the elevator guide rail 3, which is attached to a hoistway wall, and extrudes and fixes the elevator guide rail 3 through two extrusion surfaces 11 perpendicular to the mounting surface, wherein the extrusion surfaces 11 are positioned on one side of the elevator guide rail 3 in the width direction; data acquisition device 2 gathers elevator guide rail 3's bending data, includes: the detection head 21 performs horizontal linear motion along the direction parallel to the extrusion surface 11, one end of the detection head is always abutted against the elevator guide rail 3 in the motion process, and the detection head detects the mutual extrusion force between the detection head and the elevator guide rail 3; and a linear power assembly 22 for providing power for the linear motion of the detection head 21.
The technical effects of the tool in this embodiment are the same as those of the first embodiment, and are not described herein again, but as shown in fig. 7, the tool further includes an ink jet device 23 fixedly connected to the detection head 21, and works according to the detection result of the detection head 21 as a control basis. In this preferred scheme, through inkjet device 23's setting, can make the alignment position of acquireing marked to make the automatic process of mark realization of whole alignment position, specific mounted position can be selected on detecting the head.
EXAMPLE III
A method for detecting the alignment position of an elevator guide rail, as shown in fig. 8, in a first embodiment, the method for detecting the alignment position of an elevator guide rail includes the following steps:
s1: fixing the elevator guide rail 3 by the fixing device 1;
s2: controlling the linear power assembly 22 to drive the detection head 21 to perform linear motion from one end of the elevator guide rail 3;
s3: in the process of carrying out linear motion on the detection head 21, collecting the mutual extrusion force between the detection head 21 and the elevator guide rail 3 according to a set frequency;
s4: in the process of collecting data, when the increasing or decreasing trend of each data before the collected data changes once, recording the current position of the detection head 21;
s5: the straightening position of the elevator guide rail 3 is determined on the basis of the current position of the detection head 21.
The extreme positions of the degree of bending can be obtained by the above method because the trend of the data must be toward one direction before the extreme positions are reached; taking fig. 2 as an example, before reaching the position of the detection head 21 in the figure, the pressing force data tends to decrease, and when the detected data is increased more than the previous time in the last detection, the position of the detection head 21 at the time is recorded, and the position and the alignment position have correlation, which can be used for judging the position of the alignment position.
In the embodiment, the relative position relationship between the straightening position of the elevator guide rail 3 and the detection head 21 is determined according to the linear motion speed of the detection head 21 and the acquisition frequency of the extrusion force, and the straightening position can be more accurately judged on the basis of the current position of the detection head 21 by combining the consideration of the parameters.
In order to improve the detection accuracy, two groups of elevator guide rail straightening position detection tools are arranged and move in different directions, and the straightening positions are comprehensively judged according to the current positions obtained by the tools.
For the same purpose, the linear motion of the detection head 21 is performed once, and the alignment position is comprehensively judged through two current positions obtained in two directions, so that equipment can be saved, and the method is more convenient.
Example four
In this embodiment, the elevator guide rail straightening position detection tool in the second embodiment is adopted, as shown in fig. 9, and includes the following steps:
a1: fixing the elevator guide rail 3 by the fixing device 1;
a2: controlling the linear power assembly 22 to drive the detection head 21 to perform linear motion from one end of the elevator guide rail 3;
a3: in the process of carrying out linear motion on the detection head 21, collecting the mutual extrusion force between the detection head 21 and the elevator guide rail 3 according to a set frequency;
a4: in the process of collecting data, when the increasing or decreasing trend of each data before the collected data changes once, recording the current position of the detection head 21;
a5: the ink ejecting operation is performed on the elevator guide rail 3 by the ink ejecting device 23 at the present position, and the ink ejecting position is located on the rear side in the moving direction of the detection head 21.
In this embodiment, calibration of the alignment position is directly performed on the basis of the third embodiment, in which the ink ejection position is located at the rear side of the movement direction of the detection head 21, because when the pressing force detected by the detection head 21 changes in a trend, it indicates that the detection head 21 has exceeded the limit position of the bending, and therefore, by providing the ink ejection device 23 at the rear side of the movement direction of the detection head 21, the behavior of exceeding the position can be compensated, and the calibration accuracy can be improved.
In this embodiment, in order to improve the accuracy that detects, can set up elevator guide rail alignment position detection frock two sets ofly equally, and move along different directions, of course all need set up ink jet equipment 23 on every group elevator guide rail alignment position detection frock, judge the alignment position according to the inkjet position that each group frock obtained is synthesized, the result that this kind of mode obtained is more accurate, and also more convenient to the judgement of alignment position, get the intermediate position of the inkjet position of twice acquisition can.
For the same purpose, the alignment position may be determined by combining the two ink ejection positions obtained in the two directions in such a manner that the linear motion of the detection head 21 in the third embodiment is performed once, and the same technical effect is obtained.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides an elevator guide rail alignment position detects frock which characterized in that includes:
the fixing device is used for horizontally supporting an installation surface, attached to a hoistway wall, of an elevator guide rail and extruding and fixing the elevator guide rail through two extrusion surfaces perpendicular to the installation surface, wherein the extrusion surfaces are located on one side of the elevator guide rail in the width direction;
data acquisition device gathers elevator guide rail's crooked data, includes:
the detection head performs horizontal linear motion along the direction parallel to the extrusion surface, one end of the detection head is always abutted against the elevator guide rail in the motion process, and the detection head detects the mutual extrusion force between the detection head and the elevator guide rail;
and the linear power assembly provides power for the linear motion of the detection head.
2. The elevator guide rail straightening position detecting tool according to claim 1, further comprising an ink jet device fixedly connected with the detecting head, and working according to a detection result of the detecting head as a control basis.
3. The elevator guide rail straightening position detecting tool according to claim 1 or 2, wherein the detecting head comprises:
the sliding block is driven by the linear power assembly to perform linear motion;
the mounting seat is abutted against the elevator guide rail, and mutual extrusion force is generated between the mounting seat and the elevator guide rail;
the guide device is connected with the sliding block and the mounting seat and guides the sliding block and the mounting seat to move relatively, and the guide direction is vertical to the extrusion surface;
a pressure induction sheet is arranged between the extrusion block and the mounting seat;
and the spring is arranged between the sliding block and the extrusion block, and the axis direction of the spring is parallel to the guiding direction of the guiding device.
4. The elevator guide rail straightening position detecting tool according to claim 1 or 2, characterized in that the linear power assembly is a screw rod assembly.
5. The elevator guide rail alignment position detection tool of claim 3, wherein the mounting base comprises:
the base body is fixedly connected with the guide device, and a pressure sensing sheet is arranged between the base body and the extrusion block;
the roller is abutted against the elevator guide rail and rolls on the surface of the elevator guide rail along the horizontal direction;
and one end of the connecting structure is fixedly connected with the seat body, and the other end of the connecting structure is rotatably connected with the roller.
6. The method for detecting the straightening position of the elevator guide rail is characterized in that the elevator guide rail straightening position detection tool according to claim 1 is adopted, and the method comprises the following steps:
fixing the elevator guide rail by the fixing device;
controlling the linear power assembly to drive the detection head to perform linear motion from one end of the elevator guide rail;
collecting the mutual extrusion force between the detection head and the elevator guide rail according to a set frequency in the process of linear motion of the detection head;
in the process of collecting data, when the increasing or decreasing trend of each data before the collected data is changed once, recording the current position of the detection head;
and judging the straightening position of the elevator guide rail according to the current position of the detection head.
7. The method for detecting the straightening position of the elevator guide rail according to claim 6, wherein the relative position relationship between the straightening position of the elevator guide rail and the detection head is determined according to the linear motion speed of the detection head and the acquisition frequency of the extrusion force.
8. The method for detecting the straightening position of the elevator guide rail according to claim 6, wherein the elevator guide rail straightening position detecting tools are arranged in two groups and move along different directions, and the straightening position is comprehensively judged according to the current positions obtained by the tools in each group.
9. The method for detecting the alignment position of an elevator guide rail according to claim 6, wherein the linear motion of the detection head is performed once and the alignment position is comprehensively judged from two current positions obtained in two directions.
10. The calibration method for the alignment position of the elevator guide rail is characterized in that the elevator guide rail alignment position detection tool as claimed in claim 2 is adopted, and the calibration method comprises the following steps:
fixing the elevator guide rail by the fixing device;
controlling the linear power assembly to drive the detection head to perform linear motion from one end of the elevator guide rail;
collecting the mutual extrusion force between the detection head and the elevator guide rail according to a set frequency in the process of linear motion of the detection head;
in the process of collecting data, when the increasing or decreasing trend of each data before the collected data is changed once, recording the current position of the detection head;
and carrying out ink jet operation on the elevator guide rail through the ink jet device at the current position, wherein the ink jet position is positioned at the rear side of the movement direction of the detection head.
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| CN202110952135.8A CN113670241B (en) | 2021-08-19 | 2021-08-19 | Elevator guide rail straightening position detection tool, detection method and calibration method |
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| CN202110952135.8A CN113670241B (en) | 2021-08-19 | 2021-08-19 | Elevator guide rail straightening position detection tool, detection method and calibration method |
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| CN114589223A (en) * | 2022-03-02 | 2022-06-07 | 日立电梯（中国）有限公司 | Method for adjusting deflection of elevator guide rail and tool thereof |
| CN114777635A (en) * | 2022-04-21 | 2022-07-22 | 河南创争网络科技有限公司 | Elevator guide rail deformation detection device |
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| CN210001358U (en) * | 2019-04-09 | 2020-01-31 | 朱文杰 | straightening device for elevator guide rail |
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| JP2006242808A (en) * | 2005-03-04 | 2006-09-14 | Toshiba Elevator Co Ltd | Installation accuracy measuring device and measuring method of guide rail |
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| CN113670241B (en) | 2022-02-08 |
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