CN113624174B - Side deviation detection tool and method applied to hollow elevator guide rail - Google Patents
Side deviation detection tool and method applied to hollow elevator guide rail Download PDFInfo
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- CN113624174B CN113624174B CN202111189060.9A CN202111189060A CN113624174B CN 113624174 B CN113624174 B CN 113624174B CN 202111189060 A CN202111189060 A CN 202111189060A CN 113624174 B CN113624174 B CN 113624174B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
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Abstract
The invention relates to the technical field of elevator guide rail detection, in particular to a side deviation detection tool and a side deviation detection method applied to a hollow elevator guide rail; the tool comprises a rack which is independently and fixedly arranged; the measuring vehicle slides on the frame; the two butting wheels are respectively connected with the two sides of the measuring vehicle through elastic mechanisms; the pressure sensors are fixedly arranged on the rack, symmetrically arranged on two sides of the movement direction of the measuring vehicle, and the pressure sensors on the same side are arranged along the movement direction of the measuring vehicle; two hollow elevator guide rails are respectively placed on two sides of the measuring vehicle; one side surface of each hollow elevator guide rail props against the butting wheel on the corresponding side, and the elastic mechanism deforms to enable the butting wheel to generate acting force on the hollow elevator guide rail; the other side of each hollow elevator guide rail bears against the pressure sensor of the corresponding side. The side deviation detection tool and method applied to the hollow elevator guide rail effectively improve the detection efficiency and detection accuracy of the elevator guide rail.
Description
Technical Field
The invention relates to the technical field of elevator guide rail detection, in particular to a side deviation detection tool and a side deviation detection method applied to a hollow elevator guide rail.
Background
Elevator guide rails are important components in elevator systems as rails for an elevator to travel up and down a hoistway. Conventional elevator guide rails are made of metal into a solid structure, and the weight of the conventional elevator guide rails is too heavy, so that the elevator guide rails with a hollow structure are developed to reduce the weight of the guide rails.
At present, when the hollow elevator guide rail is manufactured, a plate is bent and molded, and due to the fact that the hollow elevator guide rail is different from a solid guide rail in processing mode, deviation which may be generated by two products is different finally, the deviation which may be generated by the solid guide rail is mainly straightness deviation, and for the hollow elevator guide rail, the difference of side faces at different positions can be caused by local problems and bending deviation of the adopted plate. The detection tool is not suitable for quickly and accurately detecting the defects of the existing hollow elevator guide rail, so that the production efficiency of the existing product is reduced due to time consumption of a detection link.
In view of the above problems, the designer provides a tool and a method for detecting the lateral deviation of the hollow elevator guide rail based on practical experience and professional knowledge which are abundant for years in engineering application of such products and by cooperating with the application of scholars and actively carrying out research and innovation, so that the detection efficiency and the detection accuracy of the elevator guide rail are improved.
Disclosure of Invention
The invention aims to provide a side deviation detection tool and a side deviation detection method applied to a hollow elevator guide rail aiming at the defects in the prior art, and solves the problem that the production efficiency of the conventional product is reduced due to time consumption of a detection link because no detection tool can adapt to the detection of the hollow elevator guide rail in the prior art.
In order to achieve the aim, the invention provides a side deviation detection tool applied to a hollow elevator guide rail, which comprises:
the method comprises the following steps: the rack is independently and fixedly arranged and used for bearing parts;
the measuring vehicle slides on the rack along the horizontal direction;
the two butting wheels are respectively connected with the two sides of the measuring vehicle through elastic mechanisms capable of generating elastic deformation force;
the pressure sensors are fixedly arranged on the rack, symmetrically arranged on two sides of the movement direction of the measuring vehicle, and the pressure sensors on the same side are arranged along the movement direction of the measuring vehicle;
when the hollow elevator guide rails are placed, the two hollow elevator guide rails are respectively placed on two sides of the measuring vehicle; one side surface of each hollow elevator guide rail is abutted against the abutting wheel on the corresponding side, and the elastic mechanism generates elastic deformation force to enable the abutting wheel to generate acting force on the hollow elevator guide rail; the other side of each hollow elevator guide rail bears against the pressure sensor of the corresponding side.
Further, the frame comprises a bottom plate, a guide plate and a plurality of adjusting blocks; the bottom plate is independently and fixedly arranged; the guide plate and the pressure sensor are fixedly connected with the bottom plate through the adjusting block.
Further, a guide groove is formed in the guide plate, and the measuring vehicle slides in the guide groove.
Further, the abutting wheel is connected with the elastic mechanism through a spherical hinge.
Further, the elastic mechanism comprises a rotating plate and a torsion spring; the butt joint wheel sets up the one end of changeing the board, the other end that changes the board with it is articulated to measure the car, the torsional spring setting is in articulated department.
Further, the elastic mechanism comprises a sliding seat, a sliding rod and a spring; the sliding seat is fixedly arranged on the measuring vehicle; the sliding seat is provided with a through hole structure which is communicated in the horizontal direction; the sliding rod slides in the through hole structure, and one section of the sliding rod extends to the outer side of the sliding seat; the butting wheel is arranged on the extension section of the sliding rod; the spring is arranged in the through hole structure, and one end of the spring is propped against the end face of the sliding rod.
Furthermore, the elevator guide rail positioning device further comprises a positioning plate which is fixedly arranged on the rack and is abutted against one end face of the hollow elevator guide rail.
Further, be provided with wear-resisting smooth plate on the locating plate, the locating plate passes through wear-resisting smooth plate and hollow elevator guide rail butt.
The invention also provides a side deviation detection method, which comprises the following steps:
s01: respectively placing two hollow elevator guide rails on two sides of a measuring vehicle;
s02: moving the measuring car to enable the butting wheels to roll from one end of the hollow elevator guide rail to the other end of the hollow elevator guide rail, and recording pressure data of the corresponding pressure sensors when the butting wheels on the two sides reach the pressure sensors;
s03: adding and summing pressure data measured by two pressure sensors correspondingly arranged on two sides to form judgment data; calculating all judgment data and judging one by one, if the judgment data is out of the first judgment interval, executing step S04; if all the judgment data are within the first judgment interval, judging that the two hollow elevator guide rails are qualified, and executing the step S06;
s04: judging all the pressure data on the two sides, if the pressure data is larger than a set interval, judging that the hollow elevator on the corresponding side is unqualified, and executing the step S05; if all the pressure data are in the second judgment interval, judging that the two hollow elevator guide rails are qualified, and executing the step S06;
s05: replacing unqualified hollow elevator guide rails, and re-executing the steps S02-S03;
s06: and (5) alternately replacing one hollow elevator guide rail on two sides, and executing the steps S02-S03 again.
Further, in the step S01, the two hollow elevator guide rails are placed to include a reference hollow elevator guide rail.
Through the technical scheme of the invention, the following technical effects can be realized: the tool applies elastic deformation force through the elastic mechanism, so that the abutting wheels apply force to the surface while rolling over the surface of the hollow elevator guide rail, and the size of the hollow elevator guide rail is converted into the size of the stress in a mode of recording the stress condition of the surface of the hollow elevator guide rail by using the pressure sensor, thereby simplifying the structure of the tool and facilitating the use and maintenance of the tool; the detection is alternately replaced to the two hollow elevator guide rails, so that each hollow elevator guide rail can be compared with the two different hollow elevator guide rails, the detection and the retest of the hollow elevator guide rails can be realized twice, and the detection accuracy is improved.
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 structural diagram of a side deviation detecting tool applied to a hollow elevator guide rail in the embodiment of the invention;
fig. 2 is a front sectional view of embodiment 1 of the side deviation detecting tool applied to the hollow elevator guide rail in the embodiment of the present invention;
fig. 3 is a front sectional view of embodiment 2 of the side deviation detecting tool applied to the hollow elevator guide rail in the embodiment of the present invention;
FIG. 4 is a side cross-sectional view of a side deviation detecting tool applied to a hollow elevator guide rail in an embodiment of the present invention;
FIG. 5 is a schematic diagram illustrating alternate steps in a method for detecting lateral misalignment according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a method for detecting lateral misalignment in an embodiment of the present invention;
fig. 7 is a schematic view of a failure of a hollow elevator guide rail in an embodiment of the invention;
reference numerals: the device comprises a frame 1, a bottom plate 11, a guide plate 12, an adjusting block 13, a guide groove 14, a measuring vehicle 2, an abutting wheel 3, a pressure sensor 4, an elastic mechanism 5, a rotating plate 51, a sliding seat 52, a sliding rod 53 and a positioning plate 6.
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.
In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
A side deviation detecting tool applied to a hollow elevator guide rail is shown in figures 1 and 4 and comprises:
the rack 1 is independently and fixedly arranged and used for bearing parts;
a measuring vehicle 2 sliding on the frame 1 in the horizontal direction;
the two butting wheels 3 are respectively connected with the two sides of the measuring vehicle 2 through elastic mechanisms 5 which can generate elastic deformation force;
the pressure sensors 4 are fixedly arranged on the rack 1, symmetrically arranged on two sides of the movement direction of the measuring vehicle 2, and the pressure sensors 4 on the same side are arranged along the movement direction of the measuring vehicle 2;
when the hollow elevator guide rails are placed, the two hollow elevator guide rails are respectively placed on two sides of the measuring vehicle 2; one side surface of each hollow elevator guide rail props against the corresponding side propping wheel 3, and the elastic mechanism 5 generates elastic deformation force to enable the propping wheel 3 to generate acting force on the hollow elevator guide rail; the other side of each hollow elevator guide rail bears against the pressure sensor 4 of the corresponding side.
This frock passes through elastic mechanism 5 and applys elastic deformation power, make butt wheel 3 roll to the surface application of force when hollow elevator guide rail surface, when the size of hollow elevator guide rail changes, butt wheel 3 can produce the removal of the hollow elevator guide rail side of perpendicular to along with the size of hollow elevator guide rail, make elastic mechanism 5's elastic deformation power change, butt wheel 3 also can follow the change to the application of force size of hollow elevator guide rail, reuse pressure sensor 4 record the hollow elevator guide rail surface stress condition, just can change the size of hollow elevator guide rail size into the size of atress, thereby simplify the structure of frock, save the complicated mechanical detection instrument isotructure of structure in the traditional detection frock, the use and the maintenance of the frock of being convenient for.
The elastic mechanism 5 can be implemented in various ways, and example 1 is shown in fig. 2 and comprises a rotating plate 51 and a torsion spring; the butt joint wheel 3 is arranged at one end of the rotating plate 51, the other end of the rotating plate 51 is hinged with the measuring vehicle 2, and the torsion spring is arranged at the hinged position. This structure drives the rotating plate 51 to rotate through the movement of the butting wheel 3, and then drives the torsion spring to compress to generate elastic deformation force, thereby pushing the butting wheel 3 to apply force to the hollow elevator guide rail. The structure can reduce the whole width of the tool, so that the tool is more compact, and the production materials of the tool are saved.
In order to improve the universality of the tool, as shown in fig. 1-3, the frame 1 comprises a bottom plate 11, a guide plate 12 and a plurality of adjusting blocks 13; the bottom plate 11 is independently and fixedly arranged; the guide plate 12 and the pressure sensor 4 are fixedly connected with the bottom plate 11 through an adjusting block 13. The height of the adjusting block 13 can be processed according to the requirement in detection, or a plurality of adjusting blocks 13 with different heights are prepared for selection according to the requirement in detection, so that the tool can be suitable for detection of various hollow elevator guide rails with different specifications or detection of different positions of the hollow elevator guide rail with the same specification. A certain interval is arranged between the adjusting block 13 and the hollow elevator guide rail, so that the accuracy of the data obtained by the pressure sensor 4 is prevented from being influenced.
In order to ensure that the measuring vehicle 2 can move along a straight line so as to ensure the accuracy of measurement, as shown in fig. 1 to 4, a guide plate 12 is provided with a guide groove 14, the measuring vehicle 2 slides in the guide groove 14, and the side wall of the guide groove 14 is used for guiding and limiting the measuring vehicle 2.
In order to ensure that the butting wheel 3 can be always attached to the surface of the hollow elevator guide rail, as shown in fig. 1-4, the butting wheel 3 is connected with the elastic mechanism 5 through a spherical hinge, and under the condition that the surface of the hollow elevator guide rail changes, the angle of the butting wheel 3 can be automatically adjusted through the action of the spherical hinge and the elastic deformation force of the elastic mechanism 5, so that the butting wheel 3 is always attached to the surface of the hollow elevator guide rail.
In order to prevent the hollow elevator guide rail from moving, as shown in fig. 4, the elevator guide rail further comprises a positioning plate 6 which is fixedly installed on the frame 1, is abutted against one end face of the hollow elevator guide rail and limits the hollow elevator guide rail. Preferably, the two hollow elevator guide rails can abut against the same positioning plate 6, so that the length directions of the two hollow elevator guide rails correspond. The last preferred wear-resisting smooth plate that is provided with of locating plate 6, locating plate 6 are through wear-resisting smooth plate and hollow elevator guide rail butt, and wear-resisting smooth plate can be for wear-resisting and the higher plate body structure of surface smoothness such as PVC board, copper, can avoid the locating plate 6 to produce the influence to the data that detect greatly with the frictional force of hollow elevator guide rail terminal surface.
The invention discloses a side deviation detection method, which comprises the following steps:
s01: placing two hollow elevator guide rails on two sides of the measuring vehicle 2 respectively;
s02: moving the measuring car 2, enabling the abutting wheels 3 to roll from one end of the hollow elevator guide rail to the other end, and recording pressure data of the corresponding pressure sensors 4 when the abutting wheels 3 on the two sides reach the pressure sensors 4;
s03: adding and summing the pressure data measured by the two pressure sensors 4 correspondingly arranged at the two sides to form judgment data; calculating all judgment data and judging one by one, if the judgment data is out of the first judgment interval, executing step S04; if all the judgment data are within the first judgment interval, judging that the two hollow elevator guide rails are qualified, and executing the step S06;
s04: judging all the pressure data on the two sides, if the pressure data is larger than a set interval, judging that the hollow elevator on the corresponding side is unqualified, and executing the step S05; if all the pressure data are in the second judgment interval, judging that the two hollow elevator guide rails are qualified, and executing the step S06;
s05: replacing unqualified hollow elevator guide rails, and re-executing the steps S02-S03;
s06: alternately replacing one hollow elevator guide rail on two sides, and executing the steps S02-S03 again; the specific meaning of the alternate replacement is shown in fig. 5, the two sides of the measuring vehicle 2 are respectively the side a and the side B, if the hollow elevator guide rail on the side a is replaced for the first time, the hollow elevator guide rail on the side B is replaced for the second time, the hollow elevator guide rail on the side a is replaced for the third time, and the like, the subsequent alternate replacement of the two sides A, B is carried out.
When detecting hollow elevator guide rail usually, in order to guarantee the accuracy that detects, can carry out retest once again after detecting once to in order to avoid there being the particularity in the hollow elevator guide rail that detects for the first time, still need carry out certain adjustment to the detection condition of hollow elevator guide rail before retesting, for example clamping again or removal angle, position, its operation is comparatively numerous and diverse, and production efficiency is lower.
The principle of the detection method is shown in fig. 6, each hollow elevator guide rail can be compared with two different hollow elevator guide rails by alternately replacing and detecting the two hollow elevator guide rails, so that the detection and retesting of each hollow elevator guide rail can be realized twice, and the detection accuracy is improved. Taking the hollow elevator guide rail needing to be replaced on the side A as an example, in the detection before replacement, the hollow elevator guide rails on the two sides A, B are connected through the judgment data of the step S03, two hollow elevator guide rails are judged at one time, and the hollow elevator guide rail on the side B is detected for the first time; in the detection after replacement, a new hollow elevator guide rail on the side A can be detected for the first time, and because the difference of delta A exists in the sizes of the hollow elevator guide rails on the side A before and after replacement, the hollow elevator guide rails on the two sides of A, B are linked by judgment data, the hollow elevator guide rail on the side B is detected once again under different judgment conditions, and the hollow elevator guide rail on the side B is retested, so that the hollow elevator guide rail on the side B is detected twice; when the hollow elevator guide rail on the side B needs to be replaced, the hollow elevator guide rail on the side A can be detected twice in the same way.
The invention can complete the detection operation without changing one hollow elevator guide rail and adjusting the position and the angle of the hollow elevator guide rail for an operator under the condition of ensuring that each hollow elevator guide rail can be detected twice, and can effectively improve the production efficiency.
When the judgment data exceeds the first judgment interval, at least one hollow elevator guide rail in the two hollow elevator guide rails is unqualified, such as dimensional out-of-tolerance, guide rail deflection, surface concave-convex and the like shown in figure 7; however, there may be misjudgment due to accumulated error, for example, the judgment data exceeds the first judgment interval due to the fact that the sizes of the two hollow elevator guide rails are both too large or too small, but actually, the sizes of the two hollow elevator guide rails are both within the error range and are qualified products. In order to more accurately confirm the qualified condition of the hollow elevator guide rails, a step S04 is set, character judgment data exceed a first judgment interval, a certain hollow elevator guide rail cannot be directly judged to be unqualified, and the size of each hollow elevator guide rail needs to be independently judged, so that the unqualified hollow elevator guide rails are accurately screened out and replaced; the first judgment interval and the second judgment interval can be changed manually, so that the detection sensitivity is improved.
If the size of one hollow elevator guide rail is too large and the size of the other hollow elevator guide rail is too small in the first measurement, the judgment data in the step S03 can judge that both the two hollow elevator guide rails are qualified in the first judgment interval, but the actual sizes of both the two hollow elevator guide rails are unqualified, and the judgment of all the subsequent hollow elevator guide rails is influenced. To avoid such false alarms, in step S01, the two hollow elevator guide rails are placed including one reference hollow elevator guide rail; the reference hollow elevator guide rail is a hollow elevator guide rail with qualified size, and the reference hollow elevator guide rail is arranged in the first detection, so that the accuracy of judgment on the other hollow elevator guide rail is ensured; and then, in the process of replacing the hollow elevator guide rail, the reference hollow elevator guide rail can be replaced firstly.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a be applied to side deviation of hollow elevator guide rail and detect frock which characterized in that includes:
the rack (1) is independently and fixedly arranged and used for bearing parts;
a measuring vehicle (2) sliding on the frame (1) along the horizontal direction;
the two abutting wheels (3) are respectively connected with the two sides of the measuring vehicle (2) through elastic mechanisms (5) capable of generating elastic deformation force;
the pressure sensors (4) are fixedly arranged on the rack (1), are symmetrically arranged on two sides of the movement direction of the measuring vehicle (2), and are arranged along the movement direction of the measuring vehicle (2);
when the hollow elevator guide rails are placed, the two hollow elevator guide rails are respectively placed on two sides of the measuring vehicle (2); one side surface of each hollow elevator guide rail is abutted against the abutting wheel (3) on the corresponding side, and the elastic mechanism (5) generates elastic deformation force, so that the abutting wheel (3) generates acting force on the hollow elevator guide rail; the other side of each hollow elevator guide rail bears against the pressure sensor (4) of the corresponding side.
2. The side deviation detecting tool applied to the hollow elevator guide rail according to claim 1, wherein the machine frame (1) comprises a bottom plate (11), a guide plate (12) and a plurality of adjusting blocks (13); the bottom plate (11) is independently and fixedly arranged; the guide plate (12) and the pressure sensor (4) are fixedly connected with the bottom plate (11) through the adjusting block (13).
3. The side deviation detecting tool applied to the hollow elevator guide rail is characterized in that a guide groove (14) is formed in the guide plate (12), and the measuring car (2) slides in the guide groove (14).
4. The side deviation detecting tool applied to the hollow elevator guide rail according to claim 1, wherein the butting wheel (3) is in spherical hinge connection with the elastic mechanism (5).
5. The side deviation detecting tool applied to the hollow elevator guide rail according to claim 1, wherein the elastic mechanism (5) comprises a rotating plate (51) and a torsion spring; the butt joint wheel (3) is arranged at one end of the rotating plate (51), the other end of the rotating plate (51) is hinged to the measuring vehicle (2), and the torsion spring is arranged at the hinged position.
6. The side deviation detecting tool applied to the hollow elevator guide rail according to claim 1, wherein the elastic mechanism (5) comprises a sliding seat (52), a sliding rod (53) and a spring; the sliding seat (52) is fixedly arranged on the measuring vehicle (2); the sliding seat (52) is provided with a through hole structure which is communicated in the horizontal direction; the sliding rod (53) slides in the through hole structure, and a section of the sliding rod extends to the outer side of the sliding seat (52); the butting wheel (3) is arranged on the extension section of the sliding rod (53); the spring is arranged in the through hole structure, and one end of the spring is propped against the end face of the sliding rod (53).
7. The side deviation detecting tool applied to the hollow elevator guide rail according to claim 1, further comprising a positioning plate (6) fixedly mounted on the frame (1) and abutted against one end face of the hollow elevator guide rail.
8. The side deviation detecting tool applied to the hollow elevator guide rail according to claim 7, wherein a wear-resistant smooth plate is arranged on the positioning plate (6), and the positioning plate (6) is abutted against the hollow elevator guide rail through the wear-resistant smooth plate.
9. A side deviation detection method using the side deviation detection tool applied to the hollow elevator guide rail as claimed in any one of claims 1 to 8, is characterized by comprising the following steps:
s01: two hollow elevator guide rails are respectively placed on two sides of the measuring vehicle (2);
s02: moving the measuring car (2), enabling the butting wheels (3) to roll from one end of the hollow elevator guide rail to the other end, and recording pressure data of the corresponding pressure sensors (4) when the butting wheels (3) on the two sides reach the pressure sensors (4);
s03: adding and summing pressure data measured by two pressure sensors (4) correspondingly arranged on two sides to form judgment data; calculating all judgment data and judging one by one, if the judgment data is out of the first judgment interval, executing step S04; if all the judgment data are within the first judgment interval, judging that the two hollow elevator guide rails are qualified, and executing the step S06;
s04: judging all the pressure data on the two sides, if the pressure data is larger than a set interval, judging that the hollow elevator on the corresponding side is unqualified, and executing the step S05; if all the pressure data are in the second judgment interval, judging that the two hollow elevator guide rails are qualified, and executing the step S06;
s05: replacing unqualified hollow elevator guide rails, and re-executing the steps S02-S03;
s06: and (5) alternately replacing one hollow elevator guide rail on two sides, and executing the steps S02-S03 again.
10. The method of claim 9, wherein in step S01, the two hollow elevator guide rails are placed including a reference hollow elevator guide rail.
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| CN202111189060.9A CN113624174B (en) | 2021-10-12 | 2021-10-12 | Side deviation detection tool and method applied to hollow elevator guide rail |
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| CN202111189060.9A CN113624174B (en) | 2021-10-12 | 2021-10-12 | Side deviation detection tool and method applied to hollow elevator guide rail |
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| CN113624174A CN113624174A (en) | 2021-11-09 |
| CN113624174B true CN113624174B (en) | 2021-12-07 |
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| CN113670244B (en) * | 2021-10-22 | 2022-01-18 | 马拉兹(江苏)电梯导轨有限公司 | T-shaped hollow elevator guide rail section deviation testing device and method |
| CN114111696A (en) * | 2021-11-25 | 2022-03-01 | 贵州中航电梯有限责任公司 | Elevator guide rail deformation detection device and detection method based on same |
| 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 |
| CN115962704B (en) * | 2023-03-16 | 2023-05-19 | 蒂升电梯(中国)有限公司成都分公司 | Device for efficiently measuring straightness of elevator guide rail and measuring method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0747456B2 (en) * | 1988-06-22 | 1995-05-24 | 三菱電機株式会社 | Elevator guide rail installation accuracy measuring device |
| 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 |
| CN102788570B (en) * | 2012-08-06 | 2014-07-09 | 山东黄金矿业股份有限公司新城金矿 | On-line monitor for deformation of coal mine shaft guide |
| CN203396379U (en) * | 2013-07-22 | 2014-01-15 | 西子奥的斯电梯有限公司 | Elevator guide rail distance measuring device |
| CN103940471B (en) * | 2014-04-23 | 2016-07-13 | 清华大学 | Line slideway frictional force and manufacture alignment error comprehensive measurement device |
| CN203908533U (en) * | 2014-05-27 | 2014-10-29 | 山东科技大学 | Device for measuring cage guide distance |
| CN104359379A (en) * | 2014-11-17 | 2015-02-18 | 上海外高桥造船有限公司 | Measuring tool |
| CN105180774A (en) * | 2015-05-22 | 2015-12-23 | 山东省特种设备检验研究院泰安分院 | Elevator guide rail top surface distance measuring instrument and measuring method |
| CN207963750U (en) * | 2018-03-29 | 2018-10-12 | 卢友柱 | A kind of flatness detecting device of irony workpiece |
| CN108534724B (en) * | 2018-05-04 | 2024-04-12 | 苏州市职业大学 | Device for automatically detecting elevator installation accuracy |
| CN209689600U (en) * | 2019-03-25 | 2019-11-26 | 江苏省徐州技师学院 | Traffic track detection device |
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