CN110155869A - A kind of escalator with unloading way rub detection function - Google Patents
A kind of escalator with unloading way rub detection function Download PDFInfo
- Publication number
- CN110155869A CN110155869A CN201910620863.1A CN201910620863A CN110155869A CN 110155869 A CN110155869 A CN 110155869A CN 201910620863 A CN201910620863 A CN 201910620863A CN 110155869 A CN110155869 A CN 110155869A
- Authority
- CN
- China
- Prior art keywords
- guide rail
- unloading
- escalator
- motion bar
- connecting plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B29/00—Safety devices of escalators or moving walkways
Landscapes
- Escalators And Moving Walkways (AREA)
Abstract
The invention discloses a kind of with the escalator for unloading way rub detection function, the step chain group to run parallel including two, passes through step axis connection between two step chain groups；The step chain group includes stepchain roller guide rail and unloading guide rail；Wear detector, including connecting plate, motion bar and detection switch are equipped on the inside of unloading guide rail；The connecting plate is fixed on one end of the first connection bolt；One support arm of motion bar is close to connecting plate, and another support arm is equipped with groove；The detection switch is arranged on connecting plate, also connect with the control system of escalator；When touching motion bar after step axle sink, motion bar can be pushed to rotate, contact the test section of detection switch with the groove of motion bar, detection trigger switchs the control system that simultaneously signal is sent to escalator.The present invention is able to detect the degree of wear of unloading guide rail, it is ensured that the guide rail of replacement unloading in time prevents stepchain roller and stepchain roller guide rail to be worn.
Description
Technical field
The present invention relates to escalator fields, and in particular to a kind of helping automatically with unloading way rub detection function
Ladder.
Background technique
Escalator and moving sidewalk are widely used in people's lives, and people can be transmitted to next by they
A place, can save the physical strength of people and easy to use, and shortening passes through the time.Escalator be usually used in market, subway station,
Railway station etc. has acclive place, and moving sidewalk is then normally used for the straight place such as airport.Due to above-mentioned
Advantage, escalator and moving sidewalk are liked by everybody.
For high-altitude escalator or moving sidewalk, step chains concentrate on changeover portion area up and down to the pressure of guide rail
Domain, especially top changeover portion region.Therefore, the compression suffered by the step rail in top changeover portion region is especially big.Needle
To this problem, most of company avoids stepchain roller from directly bearing against all using the method for installing unloading guide rail additional currently on the market
On the guide rail of stepchain roller, so as to avoid stepchain roller premature deterioration, also avoids stepchain roller guide rail and grind too early
Damage.
The method for installing unloading guide rail additional makes that the compression in top changeover portion region has been transferred to step chains roller and unloading is led
On rail.Step chains roller generally uses steel alloy, and wearability is good, and it is usually nonmetallic to unload guide rail, such as nylon.Therefore,
It unloads guide rail in use, since it subjects huge compression, is worn after prolonged use.It is used at present to unload
Guide rail is carried not to be able to detect unloading way rub degree and carry out the device of early warning.Therefore, when unloading way rub is more than
After its range that can be worn, it is not easy to be found, cause step roller to directly bear against on step roller guide rail, cause ladder
The abrasion of grade chain idler wheel and stepchain roller guide rail.
Therefore, a kind of escalator that there can be unloading way rub detection function is designed, is those skilled in the art
The direction of research.
Summary of the invention
In view of the above shortcomings of the prior art, it is an object of the invention to solve unloading guide rail in the prior art not
Have the function of detecting its abrasion, lead to not in time to handle unloading guide rail and stepchain roller and step chains is caused to roll
The problem of wheel guide rail is worn provides a kind of escalator with unloading way rub detection function, is able to detect unloading and leads
The degree of wear of rail simultaneously early warning, it is ensured that the guide rail of replacement unloading in time prevents stepchain roller and stepchain roller guide rail to be worn.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is that it is such:
A kind of escalator with unloading way rub detection function, the step chain group to run parallel including two, two steps
Pass through step axis connection between chain group；The step chain group includes stepchain roller guide rail and unloading guide rail；The unloading guide rail
At the upper transition circle segmental arc of stepchain roller guide rail；The unloading guide rail passes through the first connection bolt, the first attaching nut
It is fixed on the rail brackets of escalator with the second connection bolt, the second attaching nut, makes step chains in the upper transition of staircase
When Duan Yunhang, step chains roller can act on unloading guide rail and keep stepchain roller hanging；In wherein one unloading guide rail
Side is equipped with a wear detector, and the wear detector includes connecting plate, motion bar and detection switch；
The one end of the connection board is fixed on the first connection bolt far from one end of rail brackets, and the other end is to step axle side
To extension；The motion bar is L-shaped, radially consistent, support arm of the length direction and circular arc where unloading guide rail of one support arm
It is close together by locating piece and connecting plate, and where the medial surface when end of the support arm and step axle are located at changeover portion
There is gap between circular arc；Another support arm of the motion bar is equipped with groove far from the side of step axle；
The detection switch is arranged on connecting plate, one end and has gap between the groove；The detection switch is also
It is connect with the control system of escalator；
When touching motion bar after step axle sink, motion bar can be pushed to rotate, make test section and the activity of detection switch
The groove of bar contacts, detection trigger switch；The signal that the detection switch will test is sent to the control system of escalator.
By the way that wear detector is arranged on unloading guide rail, and the wear detector connects bolt and unloads by first
Guide rail is carried to be connected；It is that unloading guide rail is permitted by the gap setting between the motion bar of wear detector and the step axle of escalator
Perhaps the maximum value worn, in this way, after unloading way rub beyond the maximum value for allowing to wear, under the step axle of escalator
It falls into and is contacted with motion bar, push motion bar rotation, the side wall of motion bar groove is made to contact and occur with the test section of detection switch
Collision, thus the detection switch that closure is connect with motion bar.Closure signal is sent to the control system of escalator by detection switch
System, to reach the early warning to unloading guide rail, it is ensured that unloading guide rail can be replaced in time, prevent stepchain roller and step chains from rolling
Wheel guide rail is worn.
Further, the circular arc where medial surface when the end of the support arm of the motion bar and step axle are located at changeover portion it
Between gap be unload guide rail allow wear maximum value.In such manner, it is possible to realize the accurate of the case where being worn to unloading guide rail
Early warning.
Further, the locating piece includes third connection bolt and third attaching nut；It is close in motion bar with connecting plate
A support arm on have a through-hole, by third connect bolt and third attaching nut cooperation be close to motion bar with connecting plate
Together.In this way, the position for realizing the motion bar when unloading guide rail and not wearing is fixed, and when step axle sink, activity
Bar can rotate detection trigger switch, and design is reasonable.
Further, the described detection switch has a test section, has gap between the test section and the groove.
Further, the groove is arc groove, and the test section of more detection switch is easier after step axle sink in this way
It is contacted with the arc cell wall of groove, it is ensured that accurate early warning.
Further, the wear detector is multiple, is uniformly distributed along the direction where the camber line of unloading guide rail.Unloading
Guide rail has certain length, is uniformly distributed multiple wear detectors along the direction where the camber line of unloading guide rail, can be right
Whole unloading track is monitored, stepchain roller and stepchain roller guide rail quilt at this after avoiding partial relief guide rail from being worn
Abrasion.
Further, the detection switch is touch switch, in this way, with can detection trigger switch hair after motion bar collision
The number of delivering letters.
Further, the stepchain roller is located at the inner or outer side of step chains roller.The i.e. described step chains roller and ladder
The position or so of grade chain idler wheel can according to need to set.
Compared with prior art, the present invention has the advantage that
By the way that wear detector is arranged on unloading guide rail, and the wear detector is led by the first connection bolt with unloading
Rail is connected；It is that unloading guide rail allows to grind by the gap setting between the motion bar of wear detector and the step axle of escalator
The maximum value of damage, in this way, after unloading way rub beyond the maximum value for allowing to wear, the step axle of escalator sink with
Motion bar contact pushes motion bar rotation, the side wall of motion bar groove is made to contact and collide with the test section of detection switch,
The detection switch being connect to closure with motion bar.Closure signal is sent to the control system of escalator by detection switch, from
And reach the early warning to unloading guide rail, it is ensured that unloading guide rail can be replaced in time, prevent stepchain roller and stepchain roller from leading
Rail is worn.
Detailed description of the invention
Fig. 1 is side at a kind of upper transition circle segmental arc of the escalator with unloading way rub detection function of the present invention
Schematic diagram.
Fig. 2 is section at a kind of upper transition circle segmental arc of the escalator with unloading way rub detection function of the present invention
Schematic diagram.
Fig. 3 is wear detector signal in a kind of escalator with unloading way rub detection function of the present invention
Figure.
Fig. 4 is the front view of motion bar in a kind of escalator with unloading way rub detection function of the present invention.
Fig. 5 is the left view of Fig. 4.
In figure: stepchain roller guide rail 1, unloading guide rail 2, first connect bolt 31, second and connect bolt 32, third connection
Bolt 33, step chains 5, step chains roller 51, stepchain roller 52, wear detector 6, connecting plate 61, is lived at rail brackets 4
Lever 62, groove 621, detection switch 63, test section 631, step axle 7.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
Embodiment:
Referring to figures 1-4, a kind of escalator with unloading way rub detection function, the step to run parallel including two
Chain group is connected by step axle 7 between two step chain groups.The step chain group includes stepchain roller guide rail 1 and unloading guide rail
2.The unloading guide rail 2 is located at the upper transition circle segmental arc of stepchain roller guide rail 1.The unloading guide rail 2 passes through the first connection
Bolt 31, the first attaching nut and the second connection bolt 32, the second attaching nut are fixed on the rail brackets 4 of escalator.
In the upper changeover portion operation of staircase, step chains roller 51 can act on unloading guide rail 2 and make stepchain roller step chains 5
52 is hanging.When it is implemented, the stepchain roller 52 can both be located at the inside of step chains roller 51, step can also be located at
The outside of chain roller 51, i.e., the described step chains roller 51 and the position of stepchain roller 52 or so can according to need to set.
A wear detector 6 is equipped on the inside of a unloading guide rail 2 wherein.The wear detector 6 includes connecting plate 61, motion bar
62 and detection switch 63.
Described 61 one end of connecting plate is fixed on first connection one end of bolt 31 far from rail brackets 4, the other end
Extend to 7 direction of step axle.In this way, wear detector 6 is connected by the first connection bolt 31 with unloading guide rail 2, with unloading
The relative position of guide rail 2 is fixed, and just can accurately reflect the abrasion condition of unloading guide rail 2 in this way.The motion bar 62 is L-shaped,
The length direction of one support arm is radially consistent with unloading 2 place circular arc of guide rail, which is close to by locating piece with connecting plate 61
Together.Specifically, the locating piece includes third connection bolt 33 and third attaching nut.In motion bar 62 and connecting plate 61
There is a through-hole on the support arm being close to, motion bar 62 is made by the cooperation that third connects bolt 33 and third attaching nut and connect
Fishplate bar 61 is close together.In this way, the position for realizing the motion bar 62 when unloading guide rail 2 and not wearing is fixed, and in step
When axis 7 sink, motion bar 62 can rotate detection trigger switch 63, and design is reasonable.The end of the support arm and step axle 7 were located at
There is gap between the circular arc where medial surface when crossing section.The medial surface when step axle 7 is located at changeover portion refers to step
Axis 7 is close to the side of unloading track.The gap is the maximum value for unloading guide rail 2 and allowing to wear.In such manner, it is possible to realize to unloading
The accurate early warning for the case where guide rail 2 is worn.Another support arm of the motion bar 62 is equipped with groove far from the side of step axle 7
621.The detection switch 63 is arranged on connecting plate 61, which has a test section 631, the test section 631
There is gap between the groove 621.After the abrasion for unloading guide rail 2 is more than the maximum value for allowing to wear, step axle 7 sink
After can touch motion bar 62, push motion bar 62 to rotate, make the test section 631 of detection switch 63 and the groove of motion bar 62
621 walls contact, thus detection trigger switch 63.Specifically, the groove 621 is arc groove 621, in this way under step axle 7
The test section 631 of more detection switch 63 is easier to contact with the arc cell wall of groove 621 after falling into, it is ensured that the energy after step axle sink
In time, signal is accurately obtained, and then early warning is carried out to the abrasion of unloading guide rail.
The detection switch 63 is also connect with the control system of escalator.The signal that the detection switch 63 will test
It is sent to the control system of escalator.Staircase control system is not after receipt of the signal, out of service, but when staircase stops it
After cannot start, and issue failure signal.Staircase control system is not after receipt of the signal, out of service, but when staircase stops
It cannot start after only, and issue failure signal.In this way, after unloading the abrasion of guide rail 2 beyond the maximum value for allowing to wear,
The step axle 7 of escalator sink to be contacted with motion bar 62, is pushed motion bar 62 to rotate, is made the side wall of 62 groove 621 of motion bar
It contacts and collides with the test section 631 of detection switch 63, thus the detection switch 63 that closure is connect with motion bar 62.Detection
Closure signal is sent to the control system of escalator by switch 63.Realize the early warning to unloading guide rail 2, it is ensured that can in time more
Unloading guide rail 2 is changed, stepchain roller 52 and stepchain roller guide rail 1 is prevented to be worn.
By the way that wear detector is arranged on unloading guide rail, and the wear detector connects bolt and unloads by first
Guide rail is carried to be connected；It is that unloading guide rail is permitted by the gap setting between the motion bar of wear detector and the step axle of escalator
Perhaps the maximum value worn, in this way, after unloading way rub beyond the maximum value for allowing to wear, under the step axle of escalator
It falls into and is contacted with motion bar, push motion bar rotation, the side wall of motion bar groove is made to contact and occur with the test section of detection switch
Collision, thus the detection switch that closure is connect with motion bar.Closure signal is sent to the control system of escalator by detection switch
System, to reach the early warning to unloading guide rail, it is ensured that unloading guide rail can be replaced in time, prevent stepchain roller and step chains from rolling
Wheel guide rail is worn.
Finally, it should be noted that technical side the above examples are only used to illustrate the technical scheme of the present invention and are not limiting
Case, those skilled in the art should understand that, modification or equivalent replacement of the technical solution of the present invention are made for those, and
The objective and range for not departing from the technical program, are intended to be within the scope of the claims of the invention.
Claims (8)
1. a kind of escalator with unloading way rub detection function, the step chain group to run parallel including two, two ladders
It is connected between grade chain group by step axle (7)；The step chain group includes stepchain roller guide rail (1) and unloading guide rail (2)；Institute
Unloading guide rail (2) is stated to be located at the upper transition circle segmental arc of stepchain roller guide rail (1)；The unloading guide rail (2) connects by first
Connecting bolt (31), the first attaching nut and the second connection bolt (32), the second attaching nut are fixed on the guide rail branch of escalator
On frame (4), make step chains (5) in the upper changeover portion operation of staircase, step chains roller (51) can act on unloading guide rail (2)
It goes up and keeps stepchain roller (52) hanging；It is characterized in that, being equipped with a wear detector on the inside of unloading guide rail (2) wherein
(6), the wear detector (6) includes connecting plate (61), motion bar (62) and detection switch (63)；
Described connecting plate (61) one end is fixed on one end of first connection bolt (31) separate rail brackets (4), another
It holds to step axle (7) direction and extends；The motion bar (62) is L-shaped, where the length direction of one support arm and unloading guide rail (2)
Circular arc it is radially consistent, which is close together by locating piece with connecting plate (61), and the end of the support arm and step axle
(7) there is gap between the circular arc where medial surface when being located at changeover portion；Another support arm of the motion bar (62) is far from ladder
The side of grade axis (7) is equipped with groove (621)；
The detection switch (63) is arranged on connecting plate (61), has gap between one end and the groove (621)；It is described
Detection switch (63) is also connect with the control system of escalator；
When touching motion bar (62) after step axle (7) sink, motion bar (62) can be pushed to rotate, make detection switch (63)
It is contacted with the groove (621) of motion bar (62), detection trigger switchs (63)；The signal hair that the detection switch (63) will test
Give the control system of escalator.
2. the escalator with unloading way rub detection function according to claim 1, which is characterized in that the work
The gap between the circular arc where medial surface when the end of the support arm of lever (62) and step axle (7) are located at changeover portion is unloading
Guide rail (2) allows the maximum value worn.
3. the escalator with unloading way rub detection function according to claim 1, which is characterized in that described fixed
Position part includes third connection bolt (33) and third attaching nut；On the support arm that motion bar (62) is close to connecting plate (61)
With a through-hole, keep motion bar (62) and connecting plate (61) tight by third connection bolt (33) and the cooperation of third attaching nut
It sticks together.
4. the escalator with unloading way rub detection function according to claim 1, which is characterized in that described to be somebody's turn to do
Detection switch (63) has a test section (631), has gap between the test section (631) and the groove (621).
5. the escalator with unloading way rub detection function according to claim 4, which is characterized in that described recessed
Slot (621) is arc groove (621).
6. the escalator with unloading way rub detection function according to claim 1, which is characterized in that the mill
Damage detection device (6) be it is multiple, along unloading guide rail (2) camber line where direction be uniformly distributed.
7. the escalator with unloading way rub detection function according to claim 1, which is characterized in that the inspection
Surveying switch (63) is touch switch.
8. the escalator with unloading way rub detection function according to claim 1, which is characterized in that the ladder
Grade chain idler wheel (52) is located at the inner or outer side of step chains roller (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910620863.1A CN110155869A (en) | 2019-07-10 | 2019-07-10 | A kind of escalator with unloading way rub detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910620863.1A CN110155869A (en) | 2019-07-10 | 2019-07-10 | A kind of escalator with unloading way rub detection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110155869A true CN110155869A (en) | 2019-08-23 |
Family
ID=67638015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910620863.1A Pending CN110155869A (en) | 2019-07-10 | 2019-07-10 | A kind of escalator with unloading way rub detection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110155869A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112919295A (en) * | 2019-12-05 | 2021-06-08 | 蒂森克虏伯电梯创新与运营有限公司 | Escalator with safety system |
| CN113845001A (en) * | 2021-09-23 | 2021-12-28 | 日立电梯（广州）自动扶梯有限公司 | Diagnosis method and device for escalator rail pressing height adjustment abnormity and signal processing device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4175652A (en) * | 1975-12-29 | 1979-11-27 | Hitachi, Ltd. | Escalator with step levelers |
| CA2329222A1 (en) * | 1999-12-21 | 2001-06-21 | Inventio Ag | Escalator roller degradation monitor device |
| JP2002167153A (en) * | 2000-12-04 | 2002-06-11 | Toshiba Elevator Co Ltd | Man conveyor |
| CN201777768U (en) * | 2010-04-15 | 2011-03-30 | 蒂森克虏伯扶梯(中国)有限公司 | Device for detecting escalator, automatic pedestrian path stairs and stair chains |
| CN205222414U (en) * | 2015-11-30 | 2016-05-11 | 苏州富士电梯有限公司 | Step chain tensioning texture |
| CN106081854A (en) * | 2016-08-22 | 2016-11-09 | 苏州奔机电有限公司 | A kind of escalator step inspection frock |
| CN106115449A (en) * | 2016-08-04 | 2016-11-16 | 港日电梯有限公司 | A kind of anti-structure of sinking being applied to escalator or moving sidewalk |
| CN206969980U (en) * | 2017-07-28 | 2018-02-06 | 重庆迈高电梯有限公司 | Escalator with step sagging induction installation |
| CN107673180A (en) * | 2017-11-23 | 2018-02-09 | 湖州吴兴华隆机械有限公司 | A kind of closed escalator with stepchain roller detection means |
| CN210084709U (en) * | 2019-07-10 | 2020-02-18 | 重庆迈高电梯有限公司 | Escalator with unloading guide rail abrasion detection function |
-
2019
- 2019-07-10 CN CN201910620863.1A patent/CN110155869A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4175652A (en) * | 1975-12-29 | 1979-11-27 | Hitachi, Ltd. | Escalator with step levelers |
| CA2329222A1 (en) * | 1999-12-21 | 2001-06-21 | Inventio Ag | Escalator roller degradation monitor device |
| JP2002167153A (en) * | 2000-12-04 | 2002-06-11 | Toshiba Elevator Co Ltd | Man conveyor |
| CN201777768U (en) * | 2010-04-15 | 2011-03-30 | 蒂森克虏伯扶梯(中国)有限公司 | Device for detecting escalator, automatic pedestrian path stairs and stair chains |
| CN205222414U (en) * | 2015-11-30 | 2016-05-11 | 苏州富士电梯有限公司 | Step chain tensioning texture |
| CN106115449A (en) * | 2016-08-04 | 2016-11-16 | 港日电梯有限公司 | A kind of anti-structure of sinking being applied to escalator or moving sidewalk |
| CN106081854A (en) * | 2016-08-22 | 2016-11-09 | 苏州奔机电有限公司 | A kind of escalator step inspection frock |
| CN206969980U (en) * | 2017-07-28 | 2018-02-06 | 重庆迈高电梯有限公司 | Escalator with step sagging induction installation |
| CN107673180A (en) * | 2017-11-23 | 2018-02-09 | 湖州吴兴华隆机械有限公司 | A kind of closed escalator with stepchain roller detection means |
| CN210084709U (en) * | 2019-07-10 | 2020-02-18 | 重庆迈高电梯有限公司 | Escalator with unloading guide rail abrasion detection function |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112919295A (en) * | 2019-12-05 | 2021-06-08 | 蒂森克虏伯电梯创新与运营有限公司 | Escalator with safety system |
| CN113845001A (en) * | 2021-09-23 | 2021-12-28 | 日立电梯（广州）自动扶梯有限公司 | Diagnosis method and device for escalator rail pressing height adjustment abnormity and signal processing device |
| CN113845001B (en) * | 2021-09-23 | 2024-05-24 | 日立电梯（广州）自动扶梯有限公司 | Diagnosis method and device for height adjustment abnormality of escalator pressure rail and signal processing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103906664B (en) | For the system of the rolling of the guide roller of dynamic control component, the component is used for vehicle of the guiding along the operation of at least one guide rail | |
| US9988217B2 (en) | Conveyor belt wear monitoring system | |
| AU2016401399B2 (en) | A chain fault diagnosis system and method for scraper conveyors | |
| CN110155869A (en) | A kind of escalator with unloading way rub detection function | |
| CN203231740U (en) | Railway track abrasion detector | |
| CN102501887A (en) | Non-contact dynamic detection device and detection method for tire tread defects | |
| US9146150B2 (en) | Weighing method and apparatus for meat processing systems | |
| CN210084709U (en) | Escalator with unloading guide rail abrasion detection function | |
| US11279567B2 (en) | Method for wear detection, and conveying system with wear detection | |
| CN213231085U (en) | Elevator brake shoe wear monitoring and grading early warning device | |
| CN106500644A (en) | ground rail abrasion automatic detection vehicle | |
| CN109373958A (en) | A kind of system and detection method for railway train wheel tread defects detection | |
| CN202809487U (en) | Adaptation mechanism for variable width of suspension type track trolley | |
| CN205616149U (en) | Track is vertical to wearing and tearing detection device | |
| CN204714260U (en) | A kind of elevator safety control system | |
| CN112762815A (en) | Parallel connection contact type detection system for vehicle wheel set tread scratch and out-of-roundness | |
| CN202903152U (en) | Apparatus for detecting position of annular cooler bogie | |
| CN112849209A (en) | Rail transit operation and maintenance device | |
| CN209820349U (en) | Urban rail vehicle overhauls device | |
| CN206248066U (en) | Ground rail abrasion automatic detection vehicle | |
| CN209115577U (en) | Jaw actuator unit with online brake function test | |
| CN112479000A (en) | Wireless transmission coupling contact type escalator hand strap temperature monitoring system and method | |
| CN214778840U (en) | Overload and broken belt detection device for synchronous belt stacker | |
| CN206033007U (en) | Intelligent handrail monitoring system and escalator and sidewalk comprising same | |
| CN113906269A (en) | Method for detecting wear of cable rollers of a cableway device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |