CN204085372U - The special simple and fast survey instrument of inspection based on escalator/moving sidewalk - Google Patents
The special simple and fast survey instrument of inspection based on escalator/moving sidewalk Download PDFInfo
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- CN204085372U CN204085372U CN201420540476.XU CN201420540476U CN204085372U CN 204085372 U CN204085372 U CN 204085372U CN 201420540476 U CN201420540476 U CN 201420540476U CN 204085372 U CN204085372 U CN 204085372U
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Abstract
The utility model discloses the special simple and fast survey instrument of a kind of inspection based on escalator/moving sidewalk, comprise the first measurement plate, second be separated from each other and measure plate and the 3rd measurement plate; Described three measure plates by several in turn end to end formation close erose straight flange form.The utility model is by examining summary and the analysis of rule to TSG_T7005-2012, incorporate most Interventions Requested, make reviewer only need go comparison item objects to be checked by the standard size that instrument sets when detecting, just can directly be determined it whether qualified, judge without the need to going survey measurements to contrast with test stone again with conventional tool such as vernier calipers again, significantly reduce the workload of reviewer, decrease the verify error because artificial reading error causes, improve the work efficiency of reviewer, and it easily uses, volume is little, lightweight, easy care, life-span is long, precision is high, expansion easily, cost is low, be with a wide range of applications, be applicable to applying.
Description
Technical field
The utility model belongs to special equipment inspection field, specifically, relates to the special simple and fast survey instrument of a kind of inspection based on escalator/moving sidewalk.
Background technology
In recent years, along with China's sustained economic growth, Urbanization Construction and real estate industry are fast-developing, elevator market is also in development fast, and elevator quantity is also rising steadily, for the safety that must ensure each elevator special equipment inspection body.And escalator and moving sidewalk are the important component parts of special equipment inspection work, become paying close attention to of country in recent years especially.
In practice examining testing, owing to newly examining the requirement of rule " elevator surveillance inspection and periodic inspection rule-escalator and moving sidewalk (TSG_T7005-2012) ", supervision and inspection needs the project of inspection to reach 54, and the project of periodic inspection reaches 41.The experience long-term according to inventor and summary, wherein, technical information 4, drives and turns to 14, station, adjacent area 6, armrest system and skirt panel 7, comb and fishback 1, monitoring and safety feature 13, apparatus for examination and repair 2, automatically starts, stops 2, identify 2, rolling inspection 3.The required instrument measured has the multiple types of tools such as multimeter, clamp reometer, insulation resistance instrument, tachometer gage, vernier caliper.Divide further, vernier caliper, straight steel ruler, clearance gauge need be used to carry out measurement data and reach 37 more than, wherein measurement range also reaches 28 in the data of below 200mm again.The existing method and the instrument of use that detect of testing, needs, for corresponding 28 Interventions Requested, to measure respectively, and the angle wherein also having numerous items to need to measure, position are all inconvenient to use existing instrument (as vernier caliper) to measure.Therefore, although there is now numerous standardized gauge measurers can carry out comprehensive data detection detection to escalator and moving sidewalk, but these gauge measurers existing also exist inspection in its actual use wastes time and energy, carry the problems such as inconvenience, make the inspection inefficiency to escalator and these special equipments of moving sidewalk, and society is grown with each passing day to the quantity of special equipment demand, each reviewer is caused to bear huge inspection task every day, how to make reviewer under the labour intensity of high strength, guarantee the safety and reliability of inspection body to assay, the work efficiency improving reviewer is a critical problem.
Utility model content
In order to solve the problem, the utility model provides a kind of easy to use, quick, time saving and energy saving, measurement result can directly comparison test requirement thus effectively improve the special simple and fast of the inspection based on the escalator/moving sidewalk survey instrument of reviewer's work efficiency.
To achieve these goals, the technical solution adopted in the utility model is as follows:
The special simple and fast survey instrument of inspection based on escalator/moving sidewalk, comprises the first measurement plate, second be separated from each other and measures plate and the 3rd measurement plate, described first measure plate by several in turn end to end formation close erose straight flange and form, what is called is end to end in turn refers to that adjacent two straight flanges are interconnected at end points place, wherein, described straight flange comprises the first straight flange, adjacent with the first straight flange respectively and vertical and be positioned at the second straight flange and the 3rd straight flange of the first straight flange homonymy, adjacent with the 3rd straight flange and vertical and and the first straight flange be all positioned at the 4th straight flange of the 3rd straight flange homonymy, adjacent with the 4th straight flange and vertical and and the 3rd straight flange be all positioned at the 5th straight flange of the 4th straight flange homonymy, adjacent with the 5th straight flange and vertical and and the 4th straight flange lay respectively at the 6th straight flange of the 5th straight flange offside, and between the 6th straight flange and the second straight flange, form one towards the 7th straight flange of the first straight flange indent and the 8th straight flange,
Described first straight flange is identical with lower limit with the distance higher limit of the nonfloating rail in escalator/moving sidewalk hazardous location and handrail outer rim respectively with the length of the 3rd straight flange;
The length of described second straight flange is identical with the overhang higher limit in anti-pinch device from skirt panel vertical surface; The length of described 4th straight flange is identical with the lower limit that nonfloating rail exceeds handrail.
Specifically, the length of described first straight flange and the 3rd straight flange is respectively 120mm and 80mm, and the length of the second straight flange is 50mm, and the length of the 4th straight flange is 100mm.
Further, the length of described 5th straight flange and wall or other barriers identical to the lower limit of the vertical range of handrail lower edge, be 25mm; It is identical that length and the level of compliant member on anti-pinch device of described 6th straight flange give prominence to minimum value, is 15mm.And described 7th straight flange is mutually vertical with the 8th straight flange, and the straight flange be adjacent respectively is vertical, and its length is 5mm.
In order to measure other relative dimensions better, described second measure plate also by several in turn end to end formation close erose straight flange and form, wherein, described straight flange comprises the 9th straight flange, adjacent with the 9th straight flange respectively and vertical and be positioned at the tenth straight flange and the 11 straight flange of the 9th straight flange homonymy, adjacent with the tenth straight flange and vertical and and the 9th straight flange be all positioned at the 12 straight flange of the tenth straight flange homonymy, adjacent with the 12 straight flange and vertical and and the tenth straight flange lay respectively at the 13 straight flange of the 12 straight flange offside, adjacent with the 13 straight flange and vertical and and the 12 straight flange lay respectively at the 14 straight flange of the 13 straight flange offside, and ten five straight flange of two places towards the 9th straight flange indent is formed continuously between the 11 straight flange and the 14 straight flange, 16 straight flange, 17 straight flange and the 18 straight flange,
The length of described 9th straight flange is identical with the lowest distance value between the escalator of mutual vicinity or the handrail of moving sidewalk, is 160mm; It is identical that length and the level of compliant member on anti-pinch device of described tenth straight flange give prominence to maximal value, is 30mm; The described length of the 11 straight flange is identical with the height minima of the anti-skid on armrest cover plate, is 20mm.
Further, described 15 straight flange is adjacent and vertical with the 14 straight flange, and the length of the 15 straight flange is 8mm, described 16 straight flange is adjacent and vertical with the 15 straight flange, and the length of the 16 straight flange is 30mm, described 17 straight flange is adjacent with the 16 straight flange and form the angle of an evagination.And described 17 straight flange is mutually vertical with the 18 straight flange, and its length is 5mm.
In order to measure some gap relative dimensions better, described 3rd measures plate comprises and mutually surrounds close-shaped the 19 straight flange, the 20 straight flange, the 21 straight flange and the 22 straight flange, described 20 straight flange is all vertical with the 19 straight flange with the 22 straight flange and be positioned at its homonymy, 21 straight flange is crossing on the extended line of the two with the 19 straight flange, and its angle formed is less than 30 °, be preferably 7 ° ~ 15 °, measure so that this end can be stretched into gap to be measured; The length of described 22 straight flange is identical with the protrusion height maximal value of armrest system ceiling molding or panel, is 3mm.
Reading during for the ease of measuring gap, the described 3rd measures plate is provided with that several are parallel with the 19 straight flange and draw logical scale mark, and the parallel distance of this scale mark is 5mm.
Further, described first, second, third measurement plate being equipped with a portable through hole, by using rope or hook each measurement plate can be worn together, avoiding something lost to fall to being convenient for carrying use.
Compared with prior art, the utility model has following beneficial effect:
The utility model is by examining summary and the analysis of rule to TSG_T7005-2012, for the conclusion of same type parameter to be checked, in conjunction with the measurement custom in practice examining, brand-new design goes out a set of survey instrument meeting inspection specification, incorporate most Interventions Requested, make reviewer only need go comparison item objects to be checked by the standard size that instrument sets when detecting, just can directly be determined it whether qualified, judge without the need to going survey measurements to contrast with test stone again with conventional tool such as vernier calipers again, significantly reduce the workload of reviewer, also the verify error because artificial reading error causes is greatly reduced, increase substantially the work efficiency of reviewer, and it easily uses, volume is little, lightweight, easy care, life-span is long, precision is high, expansion easily, cost is low, be with a wide range of applications, be applicable to applying.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first measurement plate in the utility model.
Fig. 2 is the structural representation of the second measurement plate in the utility model.
Fig. 3 is the structural representation of the 3rd measurement plate in the utility model.
Fig. 4 is structural representation of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, and embodiment of the present utility model includes but not limited to the following example.
Embodiment
As shown in Figures 1 to 4, should based on the special simple and fast survey instrument of inspection of escalator/moving sidewalk, be mainly used in the Quick Measurement relating to many-sided check data in " special safety equipment technical manual TSG_T7005-2012 " of escalator and moving sidewalk, improve the work efficiency of reviewer.It specifically comprises the first measurement plate 1, second be separated from each other and measures plate 2 and the 3rd measurement plate 3, and be arranged on these three the portable through holes 4 measured on plate, each measurement plate can be worn together by using rope or hook by reviewer, avoids something lost to fall and is convenient for carrying use.Its material selection meets the alloy tool steel that GB GB/T1299-2000 model is Cr12MoV, and the quenching degree of steel, the hardness of Q-tempering, wearing quality, intensity are all higher, and cost of manufacture is low, directly can be made by numerically-controlled machine, makes ratio of briquetting high.This survey instrument can cover inspection rule and require the measurement data of below 200mm, the data of measure the items such as covering 3.2 gateways in inspection rule " inspection of TSG_T7005-2012 elevator surveillance and periodic inspection rule-escalator and moving sidewalk ", 3.4 protective baffle plates, 3.5 handrail outer rim distances, 3.6 handrail distances, 4.1 handrails, the anti-climbing setting of 4.2 handrail, 4.3 armrest systems require, space between 4.4 skirting boards, 4.6 steps, pedal or adhesive tape engage with skirt panel gap, 4.7 anti-pinch devices, 5.1 comb.Plates are measured in following explanation three respectively:
First measure plate by several in turn end to end formation close erose straight flange and form, wherein, described straight flange comprises the first straight flange 10, adjacent with the first straight flange respectively and vertical and be positioned at the second straight flange 11 and the 3rd straight flange 12 of the first straight flange homonymy, adjacent with the 3rd straight flange and vertical and and the first straight flange be all positioned at the 4th straight flange 13 of the 3rd straight flange homonymy, adjacent with the 4th straight flange and vertical and and the 3rd straight flange be all positioned at the 5th straight flange 14 of the 4th straight flange homonymy, adjacent with the 5th straight flange and vertical and and the 4th straight flange lay respectively at the 6th straight flange 15 of the 5th straight flange offside, and between the 6th straight flange and the second straight flange, form one towards the 7th straight flange 16 of the first straight flange indent and the 8th straight flange 17.
More specifically, this first straight flange is identical with lower limit with the distance higher limit of the nonfloating rail in escalator/moving sidewalk hazardous location and handrail outer rim respectively with the length of the 3rd straight flange, is respectively 120mm and 80mm.The length of this second straight flange is identical with the overhang higher limit in anti-pinch device from skirt panel vertical surface, is 50mm.The length of the 4th straight flange is identical with the lower limit that nonfloating rail exceeds handrail, is 100mm.The length of the 5th straight flange and wall or other barriers identical to the lower limit of the vertical range of handrail lower edge, be 25mm.It is identical that length and the level of compliant member on anti-pinch device of the 6th straight flange give prominence to minimum value, is 15mm.7th straight flange is mutually vertical with the 8th straight flange, and the straight flange be adjacent respectively is vertical, and its length is 5mm.
Second measure plate also by several in turn end to end formation close erose straight flange and form, wherein, described straight flange comprises the 9th straight flange 20, adjacent with the 9th straight flange respectively and vertical and be positioned at the tenth straight flange the 21 and the 11 straight flange 22 of the 9th straight flange homonymy, adjacent with the tenth straight flange and vertical and and the 9th straight flange be all positioned at the 12 straight flange 23 of the tenth straight flange homonymy, adjacent with the 12 straight flange and vertical and and the tenth straight flange lay respectively at the 13 straight flange 24 of the 12 straight flange offside, adjacent with the 13 straight flange and vertical and and the 12 straight flange lay respectively at the 14 straight flange 25 of the 13 straight flange offside, and ten five straight flange 26 of two places towards the 9th straight flange indent is formed continuously between the 11 straight flange and the 14 straight flange, 16 straight flange 27, 17 straight flange the 28 and the 18 straight flange 29.
More specifically, the length of the 9th straight flange is identical with the lowest distance value between the escalator of mutual vicinity or the handrail of moving sidewalk, is 160mm.It is identical that length and the level of compliant member on anti-pinch device of the tenth straight flange give prominence to maximal value, is 30mm.The length of the 11 straight flange is identical with the height minima of the anti-skid on armrest cover plate, is 20mm.15 straight flange is adjacent and vertical with the 14 straight flange, and the length of the 15 straight flange is 8mm, 16 straight flange is adjacent and vertical with the 15 straight flange, and the length of the 16 straight flange is 30mm, and the 17 straight flange is adjacent with the 16 straight flange and form the angle of an evagination.17 straight flange is mutually vertical with the 18 straight flange, and its length is 5mm.
3rd measures plate comprises and mutually surrounds the 19 close-shaped straight flange the 30, the 20 straight flange the 31, the 21 straight flange the 32 and the 22 straight flange 33, is mainly used in measuring some gap relative dimensions.Described 20 straight flange is all vertical with the 19 straight flange with the 22 straight flange and be positioned at its homonymy, 21 straight flange is crossing on the extended line of the two with the 19 straight flange, and its angle formed is less than 30 °, be preferably 7 ° ~ 15 °, measure so that this end can be stretched into gap to be measured; The length of the 22 straight flange is identical with the protrusion height maximal value of armrest system ceiling molding or panel, is 3mm.
Reading during for the ease of measuring gap, the 3rd measures plate is provided with that several are parallel with the 19 straight flange and draw logical scale mark 5, and the parallel distance of this scale mark is 5mm.
When measuring, reviewer only need measure object to be checked according to directly using needed for measure the item the utility model, whether qualified can judge to detect data by size contrast intuitively.As the 3.6 handrail distance projects specified in TSG_T7005-2012, " be mutually close to escalator that is parallel or that be crisscross arranged or moving sidewalk; the distance between handrail should be not less than 160mm ", directly use the 9th straight flange of the second measurement plate to put into during inspection can to determine its spacing between handrail and whether meet the demands, its process can be reduced to puts into-judges two steps, measurement-reading-the determining step of contrast routine inspection, its operability and process obviously simplify, and effectively improve checkability.The project of the utility model embody rule is as shown in table 1 below (wherein first, second, third measurement plate represents with 1,2, No. 3 respectively):
Table 1 measure the item and Effective Numerical
| Sequence number | Measure the item | Measure Effective Numerical | Relate to apparatus |
| 1 | 3.2 gateway C | 80mm,100mm,120mm,160mm | 1, No. 2 |
| 2 | 3.4 protective baffle plate B | 25mm | No. 1 |
| 3 | 3.5 handrail outer rim distance C | 25mm,80mm | 1, No. 2 |
| 4 | 3.6 handrail distance C | 160mm | No. 2 |
| 5 | 4.1 handrail C | 8mm | No. 3 |
| 6 | 4.2 handrails are anti-climbing arranges C | 20mm, 25~150mm, 100mm,125mm | 1, No. 2 |
| 7 | 4.3 armrest systems require C | 3mm | No. 3 |
| 8 | Space C between 4.4 skirting boards | 4mm | No. 3 |
| 9 | 4.6 steps, pedal or adhesive tape and skirt panel gap B | 4mm,7mm | No. 3 |
| 10 | 4.7 anti-pinch device C | 15mm,18mm,25mm,30mm,33mm,50mm,55mm,150mm | 1, No. 2 |
| 11 | 5.1 comb engagement C | 4mm | No. 3 |
In order to verify the effect of the utility model in practice examining, inventors performed Experimental Comparison, inspection experience and the 6 bit trial personnel be on close level are divided into 2 groups, the checking measurements contents of a project are above-mentioned table 1 projects, first group is control group, and adopt conventional common survey mode, second group is experimental group, three of the present utility model are adopted to measure plates, result (time error in minute) as shown in table 2 below:
Table 2
| ? | Measuring Time | Measurement effect |
| Control group | 3 difference 44 minutes used times, 48 minutes, 49 minutes, 47 minutes average used times | Need to carry the measurement of correlation instruments such as tape measure, clearance gauge, vernier caliper, Measuring Time is slow, and data need process, convert, and can cause certain error |
| Experimental group | 3 difference 23 minutes used times, 23 minutes, 23 minutes, 23 minutes average used times | One group of survey instrument, direct reading, it is qualified directly to judge whether |
Use the utility model that the work efficiency of reviewer can be made significantly to promote as can be seen here, it should be noted that, the familiarity used the utility model due to the reviewer of experimental group is good not enough, used time also has certain waste, if skillfully used, believe and can also accelerate at least 2 minutes.
In addition, the large feature that the utility model uses also is reflected by this test, namely impact reviewer can being avoided to a certain extent to use various instrument be accustomed to, although as 3 bit trial personnel in control group experience and be on close level, but certain influence can be produced to the inspection used time due to each instrument of every day use with to the custom of data processing, use the utility model then can effectively avoid this kind of situation.
Above-described embodiment is only preferred embodiment of the present utility model; restriction not to the utility model protection domain; in every case design concept of the present utility model being adopted, and the change carried out non-creativeness work on this basis and make, all should belong within protection domain of the present utility model.
Claims (10)
1. based on the special simple and fast survey instrument of inspection of escalator/moving sidewalk, it is characterized in that, comprise the first measurement plate (1), second be separated from each other and measure plate (2) and the 3rd measurement plate (3), described first measure plate by several in turn end to end formation close erose straight flange and form, wherein, described straight flange comprises the first straight flange (10), adjacent with the first straight flange respectively and vertical and be positioned at the second straight flange (11) and the 3rd straight flange (12) of the first straight flange homonymy, adjacent with the 3rd straight flange and vertical and and the first straight flange be all positioned at the 4th straight flange (13) of the 3rd straight flange homonymy, adjacent with the 4th straight flange and vertical and and the 3rd straight flange be all positioned at the 5th straight flange (14) of the 4th straight flange homonymy, adjacent with the 5th straight flange and vertical and and the 4th straight flange lay respectively at the 6th straight flange (15) of the 5th straight flange offside, and between the 6th straight flange and the second straight flange, form one towards the 7th straight flange (16) of the first straight flange indent and the 8th straight flange (17),
Described first straight flange (10) is identical with lower limit with the distance higher limit of the nonfloating rail in escalator/moving sidewalk hazardous location and handrail outer rim respectively with the length of the 3rd straight flange (12);
The length of described second straight flange (11) is identical with the overhang higher limit in anti-pinch device from skirt panel vertical surface; The length of described 4th straight flange (13) is identical with the lower limit that nonfloating rail exceeds handrail.
2. the special simple and fast survey instrument of the inspection based on escalator/moving sidewalk according to claim 1, it is characterized in that, the length of described first straight flange and the 3rd straight flange is respectively 120mm and 80mm, and the length of the second straight flange is 50mm, and the length of the 4th straight flange is 100mm.
3. the special simple and fast survey instrument of the inspection based on escalator/moving sidewalk according to claim 2, it is characterized in that, the length of described 5th straight flange (14) and wall or other barriers identical to the lower limit of the vertical range of handrail lower edge; It is identical that length and the level of compliant member on anti-pinch device of described 6th straight flange (15) give prominence to minimum value.
4., according to the special simple and fast of the inspection based on the escalator/moving sidewalk survey instrument described in claim 3, it is characterized in that, described 7th straight flange (16) is mutually vertical with the 8th straight flange (17), and its length is 5mm.
5. the special simple and fast of the inspection based on the escalator/moving sidewalk survey instrument according to any one of claim 1 ~ 4, it is characterized in that, described second measure plate also by several in turn end to end formation close erose straight flange and form, wherein, described straight flange comprises the 9th straight flange (20), adjacent with the 9th straight flange respectively and vertical and be positioned at the tenth straight flange (21) and the 11 straight flange (22) of the 9th straight flange homonymy, adjacent with the tenth straight flange and vertical and and the 9th straight flange be all positioned at the 12 straight flange (23) of the tenth straight flange homonymy, adjacent with the 12 straight flange and vertical and and the tenth straight flange lay respectively at the 13 straight flange (24) of the 12 straight flange offside, adjacent with the 13 straight flange and vertical and and the 12 straight flange lay respectively at the 14 straight flange (25) of the 13 straight flange offside, and ten five straight flange (26) of two places towards the 9th straight flange indent is formed continuously between the 11 straight flange and the 14 straight flange, 16 straight flange (27), 17 straight flange (28) and the 18 straight flange (29),
The length of described 9th straight flange (20) is identical with the lowest distance value between the escalator of mutual vicinity or the handrail of moving sidewalk; It is identical that length and the level of compliant member on anti-pinch device of described tenth straight flange (21) give prominence to maximal value; The length of described 11 straight flange (22) is identical with the height minima of the anti-skid on armrest cover plate.
6. the special simple and fast survey instrument of the inspection based on escalator/moving sidewalk according to claim 5, it is characterized in that, described 15 straight flange (26) is adjacent and vertical with the 14 straight flange (25), described 16 straight flange (27) is adjacent and vertical with the 15 straight flange, and described 17 straight flange (28) is adjacent with the 16 straight flange and form the angle of an evagination.
7. the special simple and fast survey instrument of the inspection based on escalator/moving sidewalk according to claim 6, is characterized in that, described 17 straight flange is mutually vertical with the 18 straight flange (29), and its length is 5mm.
8. the special simple and fast of the inspection based on the escalator/moving sidewalk survey instrument according to any one of claim 1 ~ 4, it is characterized in that, described 3rd measures plate comprises and mutually surrounds close-shaped the 19 straight flange (30), the 20 straight flange (31), the 21 straight flange (32) and the 22 straight flange (33), described 20 straight flange is all vertical with the 19 straight flange with the 22 straight flange and be positioned at its homonymy, 21 straight flange is crossing on the extended line of the two with the 19 straight flange, and its angle formed is less than 30 °; The length of described 22 straight flange is identical with the protrusion height maximal value of armrest system ceiling molding or panel.
9. the special simple and fast survey instrument of the inspection based on escalator/moving sidewalk according to claim 8, it is characterized in that, described 3rd measures plate is provided with that several are parallel with the 19 straight flange and draw logical scale mark (5), and the parallel distance of this scale mark is 5mm.
10. the special simple and fast survey instrument of the inspection based on escalator/moving sidewalk according to claim 9, is characterized in that, described first, second, third measurement plate is equipped with a portable through hole (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420540476.XU CN204085372U (en) | 2014-09-19 | 2014-09-19 | The special simple and fast survey instrument of inspection based on escalator/moving sidewalk |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420540476.XU CN204085372U (en) | 2014-09-19 | 2014-09-19 | The special simple and fast survey instrument of inspection based on escalator/moving sidewalk |
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| CN204085372U true CN204085372U (en) | 2015-01-07 |
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| CN201420540476.XU Active CN204085372U (en) | 2014-09-19 | 2014-09-19 | The special simple and fast survey instrument of inspection based on escalator/moving sidewalk |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449346A (en) * | 2017-09-13 | 2017-12-08 | 王艳 | Elevator multifunctional detection ruler |
| CN108190672A (en) * | 2017-12-26 | 2018-06-22 | 北京航天特种设备检测研究发展有限公司 | Lift inspection ruler |
-
2014
- 2014-09-19 CN CN201420540476.XU patent/CN204085372U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449346A (en) * | 2017-09-13 | 2017-12-08 | 王艳 | Elevator multifunctional detection ruler |
| CN108190672A (en) * | 2017-12-26 | 2018-06-22 | 北京航天特种设备检测研究发展有限公司 | Lift inspection ruler |
| CN108190672B (en) * | 2017-12-26 | 2024-03-19 | 北京航天特种设备检测研究发展有限公司 | Elevator detecting ruler |
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