CN208166268U - Adjustable pitch elevator wire rope detection device - Google Patents
Adjustable pitch elevator wire rope detection device Download PDFInfo
- Publication number
- CN208166268U CN208166268U CN201820681147.5U CN201820681147U CN208166268U CN 208166268 U CN208166268 U CN 208166268U CN 201820681147 U CN201820681147 U CN 201820681147U CN 208166268 U CN208166268 U CN 208166268U
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- wire rope
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- detection device
- adjustable pitch
- insertion tongue
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- 238000001514 detection method Methods 0.000 title claims abstract description 146
- 238000003780 insertion Methods 0.000 claims abstract description 71
- 230000037431 insertion Effects 0.000 claims abstract description 71
- 230000000712 assembly Effects 0.000 claims abstract description 62
- 238000000429 assembly Methods 0.000 claims abstract description 62
- 230000005611 electricity Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 210000002105 tongue Anatomy 0.000 description 54
- 238000010586 diagram Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0037—Performance analysers
Landscapes
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model discloses a kind of adjustable pitch elevator wire rope detection devices, including two detection units, insertion tongue and safe pin assemblies;Wherein, the insertion tongue setting is connect between two detection units, and with wherein any one detection unit;Sliding slot and safe pin assemblies are provided in another detection unit, and the insertion tongue is slidably matched for being embedded in be formed in the sliding slot, and the safe pin assemblies are used to adjust and position the distance that the insertion tongue protrudes into the sliding slot.Adjustable pitch elevator wire rope detection device provided by the utility model, it ensure that and be adapted to further types of elevator wire rope detection, so as to be suitable for different tested geodesic structures by being self-regulated with single equipment, reaches raising working efficiency, reduce the purpose of production and application cost.
Description
Technical field
The utility model relates to elevator wire rope detection technique fields more particularly to a kind of adjustable pitch elevator wire rope to detect
Device.
Background technique
It is well known that elevator wire rope is the important delivery structure of elevator conveying equipment;Elevator wire rope is lift facility
In highly important " high-risk component ", safe condition is directly related to the life security of passenger.
Elevator wire rope in use, plays the role of traction, tension and carrying.But elevator wire rope one
Denier be in faulted condition all can serious elevator traffic, or even bring serious safety accident.It for a long time, can due to lacking science
The detection device leaned on, the security monitoring of elevator wire rope is " blind spot " in elevator safety management always, or even is multiplied as jeopardizing
Great " danger source " of objective life security.
In the R&D process of company, a kind of elevator wire rope detection device is had developed, the elevator wire rope detection device
Including two detection units (i.e. first detection unit and second detection unit) being arranged parallel to each other, when elevator wire rope passes through
Behind inner cavity between two detection units, implement the on-line checking of elevator wire rope using above-mentioned two detection unit;But it grinds
It is found during hair, elevator wire rope thickness used in different types of elevator is different (i.e. rope diameter is different), but traditional structure
In two detection units between inner cavity distance be it is fixed, the detection of different type elevator wire rope can not be adapted to.
Therefore, how to overcome conventional detection devices that can not adapt to the wirerope on-line checking defect of different rope diameters, be ability
Field technique personnel technical problem urgently to be resolved.
Utility model content
Adjustable pitch elevator wire rope detection device provided by the utility model, to solve above-mentioned technological deficiency.
In order to achieve the above object, the technical solution of the utility model is realized in:
The utility model provides a kind of adjustable pitch elevator wire rope detection device, including two detection units, insertion tongue
And safe pin assemblies;
Wherein, the insertion tongue setting is connect between two detection units, and with wherein any one detection unit;
Sliding slot and safe pin assemblies are provided in another detection unit, and the insertion tongue is for being embedded in the sliding slot
Formation is slidably matched, and the safe pin assemblies are used to adjust and position the distance that the insertion tongue protrudes into the sliding slot.
Preferably, as a kind of implementable solution;It is provided on its extending direction on the surface of the insertion tongue more
A location hole;The through-hole for being additionally provided in the detection unit of safe pin assemblies and passing through convenient for the safe pin assemblies is installed;And
The safe pin assemblies are used to cooperate after the detection unit with through-hole with the location hole pin hole on the insertion tongue.
Preferably, as a kind of implementable solution;The safe pin assemblies include bearing pin portion and are connected to the pin shaft top
The annular portion in portion;And the bearing pin portion on the safe pin assemblies specifically cooperates with the location hole pin hole on the insertion tongue.
Preferably, as a kind of implementable solution;Multiple location holes are evenly spaced on the table in the insertion tongue
On face.
Preferably, as a kind of implementable solution;The quantity of the safe pin assemblies is two, and the number of the insertion tongue
Amount is four;Four insertion tongues are arranged on the inner sidewall of four corners of the detection unit, and every two along
The insertion tongue of the vertical direction setting of detection unit is one group;Any one of safe pin assemblies for continuously with it is corresponding
One group in two insertion ligulates cooperate at pin hole.
Preferably, as a kind of implementable solution;The adjustable pitch elevator wire rope detection device further includes elevator guiding
Wheel assembly;The guide wheel of elevator component includes bracket and guide wheel of elevator, and the bracket and the guide wheel of elevator rotate
Cooperation;The guide wheel of elevator is used to compress and be directed through the elevator wire rope of the inner cavity between two detection units.
Preferably, as a kind of implementable solution;The adjustable pitch elevator wire rope detection device further includes travel of elevator (lift)
Wheel assembly;The travel of elevator (lift) wheel assembly includes travel of elevator (lift) wheel and the range sensor that inside is arranged in;The travel of elevator (lift)
The travel of elevator (lift) wheel of wheel assembly and the guide wheel of elevator of the guide wheel of elevator component are axially parallel to each other.
Preferably, as a kind of implementable solution;The annular portion is fixedly connected with the bearing pin portion.
Preferably, as a kind of implementable solution;The shape of the insertion tongue and the sliding slot is adapted.
Preferably, as a kind of implementable solution;The insertion tongue is rectangular shape, and the sliding slot is cuboid
Shape.
Compared with prior art, it is the advantages of the utility model embodiment:
A kind of adjustable pitch elevator wire rope detection device provided by the utility model,
On the one hand, the utility model provides adjustable pitch elevator wire rope detection device;Analyze above-mentioned adjustable pitch elevator steel
Known to the main construction of cord detection device:The adjustable pitch elevator wire rope detection device is mainly by two detection units, insertion
The structures such as tongue and safe pin assemblies are constituted;
Wherein, the insertion tongue setting is connect between two detection units, and with wherein any one detection unit;Separately
Sliding slot and safe pin assemblies are provided in one detection unit, and the insertion tongue is matched for being embedded in the sliding slot to be formed to slide
It closes, and the safe pin assemblies are used to adjust and position the distance that the insertion tongue protrudes into the sliding slot.
It should be noted that above-mentioned adjustable pitch elevator wire rope detection device, its main function be realize to by pair
The adjustment of inner cavity distance between two detection units, and then above-mentioned adjustable pitch elevator wire rope detection device deacclimatizes inhomogeneity
The elevator wire rope on-line checking of type.Above-mentioned insertion tongue is connect with wherein any one detection unit, and then another detection is single
Installation settings has sliding slot and safe pin assemblies in member;When the insertion tongue in a detection unit can be in the cunning in another detection unit
When slot is slidably matched, so that it may realize the spacing changed between two detections, and then realize distance change;It is additionally provided with simultaneously
Safe pin assemblies, safe pin assemblies, which are used to adjust, positions the distance that the insertion tongue protrudes into the sliding slot.Pass through safe pin assemblies
Effect so that realize the position and lock of above-mentioned inner cavity distance.
To sum up, adjustable pitch elevator wire rope detection device provided by the utility model, ensure that and be adapted to more polymorphic type
Elevator wire rope detection, so as to be suitable for different tested geodesic structures by being self-regulated with single equipment, reach and mention
High working efficiency reduces the purpose of production and application cost.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic view of the front view of adjustable pitch elevator wire rope detection device provided by the embodiment of the utility model;
Fig. 2 is the left view structural representation of Fig. 1 adjustable pitch elevator wire rope detection device provided by the embodiment of the utility model
Figure;
Fig. 3 is the three-dimensional knot under a visual angle of adjustable pitch elevator wire rope detection device provided by the embodiment of the utility model
Structure schematic diagram;
Fig. 4 is the solid under another visual angle of adjustable pitch elevator wire rope detection device provided by the embodiment of the utility model
Structural schematic diagram;
Fig. 5 is that the detection unit in adjustable pitch elevator wire rope detection device provided by the embodiment of the utility model is surveyed
Partial structural diagram;
Fig. 6 is that another detection unit in adjustable pitch elevator wire rope detection device provided by the embodiment of the utility model is surveyed
Partial structural diagram;
Fig. 7 is putting for the safe pin assemblies in adjustable pitch elevator wire rope detection device provided by the embodiment of the utility model
Big structure schematic diagram.
Label:1- first detection unit;2- second detection unit;3- is inserted into tongue;The safe pin assemblies of 4-;5- sliding slot;6- is fixed
Position hole;7- through-hole;8- bearing pin portion;9- annular portion;10- guide wheel of elevator component;11- travel of elevator (lift) wheel assembly.
Specific embodiment
The utility model is further described in detail below through specific implementation examples and in conjunction with the accompanying drawings.
In the description of the present invention, it should be noted that " connection " shall be understood in a broad sense, for example, it may be fixed
Connection, may be a detachable connection, or be integrally connected;It can be mechanical connection, be also possible to be electrically connected;It can be directly
It is connected, the connection inside two elements can also be can be indirectly connected through an intermediary.For the ordinary skill of this field
For personnel, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of adjustable pitch elevator wire rope detection provided by the embodiment of the utility model
Device, including two detection units (above-mentioned detection unit includes first detection unit 1 and second detection unit 2), insertion tongue 3
And safe pin assemblies 4;
Wherein, (i.e. first detection unit 1 and the second detection list is arranged between two detection units in the insertion tongue 3
2) member, and is connect with wherein any one detection unit;Safe pin assemblies 4 and sliding slot 5 are provided in another detection unit;
(for example, in the present embodiment, above-mentioned detection unit includes first detection unit 1 and second detection unit 2, on
Stating insertion tongue 3 may be mounted in first detection unit 1, then installs above-mentioned peace in another detection unit, that is, second detection unit 2
Full pin assemblies 4 and sliding slot 5);The insertion tongue 3 is slidably matched for being embedded in be formed in the sliding slot 5, and the safe pin assemblies
4 distances that the sliding slot 5 is protruded into for adjusting the positioning insertion tongue 3 (in specific structure, are inserted into the shape of tongue 3 and sliding slot 5
It is adapted.Such as:Insertion tongue 3 is rectangular shape, and sliding slot 5 is rectangular shape).It should be noted that above-mentioned Fig. 5 is this
The partial structural diagram that the detection unit in adjustable pitch elevator wire rope detection device that utility model embodiment provides is surveyed;
Fig. 6 is the part knot that another detection unit in adjustable pitch elevator wire rope detection device provided by the embodiment of the utility model is surveyed
Structure schematic diagram;It may refer to Fig. 7 about the enlarged structure of safe pin assemblies simultaneously.
Known to the main construction for analyzing above-mentioned adjustable pitch elevator wire rope detection device:Adjustable pitch elevator wire rope detection
Device is mainly made of two detection units, the insertion structures such as tongue and safe pin assemblies;Above-mentioned adjustable pitch elevator wire rope inspection
Survey device, its main function is to realize to by the adjustment to the inner cavity distance between two detection units, and then it is above-mentioned can
Roll adjustment elevator wire rope detection device deacclimatizes different types of elevator wire rope on-line checking.Above-mentioned insertion tongue with it is wherein any
One detection unit connection, then installation settings has sliding slot and safe pin assemblies in another detection unit;When a detection unit
On insertion tongue can be when the sliding slot in another detection unit be slidably matched, so that it may realize change two detection between
Away from, and then realize distance change;It is additionally provided with safe pin assemblies simultaneously, safe pin assemblies position the insertion tongue for adjusting
Protrude into the distance of the sliding slot.The position and lock of above-mentioned inner cavity distance is realized by the effect of safe pin assemblies.
Below to the specific configuration and tool of adjustable pitch elevator wire rope detection device provided by the embodiment of the utility model
Body technique effect, which is done, to be described in detail:
Based on the above embodiment on basis, further, set on its extending direction on the surface of the insertion tongue 3
It is equipped with multiple location holes 6;It is equipped with to be additionally provided in the detection unit of safe pin assemblies and pass through convenient for the safe pin assemblies
Through-hole 7;And the safe pin assemblies 4 are used for after the detection unit with through-hole and the positioning on the insertion tongue 3
The cooperation of 6 pin hole of hole.It should be noted that in some embodiments, above-mentioned location hole be it is multiple, to adapt to different pin hole cooperations
The selection of position;It is arranged on the surface of multiple insertion tongues above-mentioned simultaneously along distribution on its extending direction, it is additionally mounted to have safety
It is additionally provided with through-hole in the detection unit of pin assemblies, which is easy for the insertion of safe pin assemblies, finally guarantees safe pin bank
Part forms pin hole with the location hole being inserted on tongue after passing through the detection unit with through-hole, and then realizes that above-mentioned adjustment positioning is corresponding
Inner cavity distance.
Based on the above embodiment on basis, further, safe pin assemblies 4 include bearing pin portion 8 and are connected to bearing pin portion
The annular portion 9 (i.e. annular portion and bearing pin portion both between preferably using the connection type being fixedly connected) at top;And safety pin
Bearing pin portion on component specifically cooperates with the location hole pin hole on insertion tongue.Above-mentioned safe pin assemblies are mainly by bearing pin portion and connection
Two parts of annular portion at the top of the bearing pin portion are constituted, as shown in Figure 1, the bearing pin portion is also designed to multi-diameter shaft knot
Structure.Above-mentioned rounded portions (similar hanging ring structure) are operated by operator to realize the insertion of above-mentioned safe pin assemblies or pull out
Out.Above structure is easy to operate, and then is also beneficial to the efficient and convenient adjustment of inner cavity distance.
Based on the above embodiment on basis, further, multiple location holes 6 are evenly spaced in the insertion tongue 3
Surface on.
It will be apparent that in some embodiments, above-mentioned multiple location holes can be arbitrarily distributed on the surface of above-mentioned insertion tongue,
But above-mentioned location hole can be evenly spaced on the surface of the insertion tongue in most preferred technical solution:Above-mentioned location hole
There is cleverly design sense with the specific structure relationship and positional relationship on insertion tongue surface, can guarantee intracavity space
Even variation adjustment.
Based on the above embodiment on basis, further, the quantity of the safe pin assemblies 4 is two, and described slotting
The quantity for entering tongue 3 is four;Four insertion tongues 3 are arranged on the inner sidewall of four corners of the detection unit, and every
Two insertion tongues in the vertical direction setting along detection unit are one group;Any one of safe pin assemblies 4 are used
In it is continuous with corresponding one group in two insertion tongues 3 form pin holes cooperation.
It will be apparent that in some embodiments, above-mentioned safe pin assemblies can be with one for one group, while above-mentioned insertion tongue can be with
Two are one group;By safe pin assemblies for continuously cooperating with two insertion ligulates in corresponding one group at pin hole.
Based on the above embodiment on basis, further, the adjustable pitch elevator wire rope detection device further includes electricity
Terraced guide wheel assemblies 10;The guide wheel of elevator component includes bracket and guide wheel of elevator (not shown), and the bracket
It is rotatably assorted with the guide wheel of elevator;The guide wheel of elevator is interior between two detection units for compressing and being directed through
The elevator wire rope of chamber.
The adjustable pitch elevator wire rope detection device further includes travel of elevator (lift) wheel assembly 11;The travel of elevator (lift) wheel assembly
Including travel of elevator (lift) wheel and internal range sensor (not shown) is set;The elevator row of the travel of elevator (lift) wheel assembly
Journey wheel and the guide wheel of elevator of the guide wheel of elevator component are axially parallel to each other.
The electricity of the main function compression and the inner cavity being directed through between two detection units of above-mentioned guide wheel of elevator component
Terraced wirerope, its tension is more preferable when passing through intracavity space convenient for elevator wire rope, convenient for obtaining accurate detection data.On simultaneously
The main function for stating travel of elevator (lift) wheel assembly is to realize to be oriented to wheel surface (i.e. friction passes through) wirerope parallel through it to axial direction
Implement range measurement, that is, realizes the distance of the elevator wire rope passed through.
At least there is the technical advantage of following aspect in adjustable pitch elevator wire rope detection device provided by the utility model:
One, adjustable pitch elevator wire rope detection device provided by the utility model, mainly by detection unit, insertion tongue with
And the structures such as safe pin assemblies are constituted;Wherein, the insertion tongue is arranged between two detection units, and with wherein any one
Detection unit connection;Sliding slot and safe pin assemblies are provided in another detection unit, and the insertion tongue is described for being embedded in
It is formed and is slidably matched in sliding slot, and the safe pin assemblies are used to adjust and position the distance that the insertion tongue protrudes into the sliding slot.
Obviously above-mentioned adjustable pitch elevator wire rope detection device, above-mentioned detection unit, insertion tongue and safe pin assemblies, sliding slot tool
Connection relationship and positional relationship between body structure have reasonable layout designs;Therefore provided by the embodiment of the utility model
Adjustable pitch elevator wire rope detection device, technical construction is more reasonable, and function is more perfect, and practicability is also stronger.
Two, adjustable pitch elevator wire rope detection device provided by the utility model, its main function are realized to logical
The adjustment to the inner cavity distance between two detection units is crossed, and then above-mentioned adjustable pitch elevator wire rope detection device is deacclimatized not
The elevator wire rope on-line checking of same type.Above-mentioned insertion tongue is connect with wherein any one detection unit, and then another is examined
Surveying installation settings on unit has sliding slot and safe pin assemblies;When the insertion tongue in a detection unit can be in another detection unit
Sliding slot when being slidably matched, so that it may realize the spacing changed between two detections, and then realize distance change;It also sets simultaneously
Safe pin assemblies are equipped with, safe pin assemblies, which are used to adjust, positions the distance that the insertion tongue protrudes into the sliding slot.Pass through safety pin
The effect of component and then the position and lock for realizing above-mentioned inner cavity distance.Adjustable pitch elevator wire rope detection provided by the utility model
Device provides that safety is higher, the higher detection technique guarantee of reliability for elevator wire rope detection, application range
It is more extensive.
Based on above many technical advantages, adjustable pitch elevator wire rope detection device provided by the embodiment of the utility model,
It will bring good market prospects and economic benefit.
Finally it should be noted that:The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System;Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand:It is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced;And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of adjustable pitch elevator wire rope detection device, which is characterized in that including two detection units, insertion tongue and safety
Pin assemblies;
Wherein, the insertion tongue setting is connect between two detection units, and with wherein any one detection unit;
Sliding slot and safe pin assemblies are provided in another detection unit, and the insertion tongue is formed for being embedded in the sliding slot
It is slidably matched, and the safe pin assemblies are used to adjust and position the distance that the insertion tongue protrudes into the sliding slot.
2. adjustable pitch elevator wire rope detection device as described in claim 1, which is characterized in that
Multiple location holes are provided on its extending direction on the surface of the insertion tongue;The detection of safe pin assemblies is installed
The through-hole passed through convenient for the safe pin assemblies is additionally provided on unit;And the safe pin assemblies are used for across with through-hole
Cooperate after detection unit with the location hole pin hole on the insertion tongue.
3. adjustable pitch elevator wire rope detection device as claimed in claim 2, which is characterized in that
The safe pin assemblies include bearing pin portion and the annular portion that is connected at the top of the bearing pin portion;And on the safe pin assemblies
Bearing pin portion specifically with it is described insertion tongue on the location hole pin hole cooperate.
4. adjustable pitch elevator wire rope detection device as claimed in claim 2, which is characterized in that
Multiple location holes are evenly spaced on the surface of the insertion tongue.
5. adjustable pitch elevator wire rope detection device as described in claim 1, which is characterized in that
The quantity of the safe pin assemblies is two, and the quantity of the insertion tongue is four;Four insertion tongue settings exist
On the inner sidewall of four corners of the detection unit, and every two is inserted in the described of vertical direction setting along detection unit
Entering tongue is one group;Any one of safe pin assemblies are used for continuously with two insertion ligulates in corresponding one group at pin
Hole cooperation.
6. adjustable pitch elevator wire rope detection device as described in claim 1, which is characterized in that
The adjustable pitch elevator wire rope detection device further includes guide wheel of elevator component;The guide wheel of elevator component includes branch
Frame and guide wheel of elevator, and the bracket is rotatably assorted with the guide wheel of elevator;The guide wheel of elevator is for compressing and leading
To the elevator wire rope by the inner cavity between two detection units.
7. adjustable pitch elevator wire rope detection device as claimed in claim 6, which is characterized in that
The adjustable pitch elevator wire rope detection device further includes travel of elevator (lift) wheel assembly;The travel of elevator (lift) wheel assembly includes electricity
Terraced stroke wheel and the range sensor that inside is set;The travel of elevator (lift) wheel and the elevator of the travel of elevator (lift) wheel assembly are oriented to
The guide wheel of elevator of wheel assembly is axially parallel to each other.
8. adjustable pitch elevator wire rope detection device as claimed in claim 3, which is characterized in that
The annular portion is fixedly connected with the bearing pin portion.
9. adjustable pitch elevator wire rope detection device as described in claim 1, which is characterized in that
The shape of the insertion tongue and the sliding slot is adapted.
10. adjustable pitch elevator wire rope detection device as described in claim 1, which is characterized in that
The insertion tongue is rectangular shape, and the sliding slot is rectangular shape.
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CN201820456910 | 2018-04-02 |
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CN201810432587.1A Active CN108358012B (en) | 2018-04-02 | 2018-05-08 | Distance-adjustable elevator steel wire rope detection device |
CN201820681147.5U Active CN208166268U (en) | 2018-04-02 | 2018-05-08 | Adjustable pitch elevator wire rope detection device |
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Cited By (1)
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CN108358012A (en) * | 2018-04-02 | 2018-08-03 | 洛阳威尔若普检测技术有限公司 | Adjustable pitch elevator wire rope detection device |
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CN108358012B (en) * | 2018-04-02 | 2024-02-13 | 洛阳威尔若普检测技术有限公司 | Distance-adjustable elevator steel wire rope detection device |
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CN108358012B (en) | 2024-02-13 |
CN108358012A (en) | 2018-08-03 |
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